blob: ecc257715d2d86d76f4a5188eecab143a7703c02 [file] [log] [blame]
2009-10-15 Release Manager
* GCC 4.4.2 released.
2009-10-14 Hans-Peter Nilsson <>
PR target/38948
* config/cris/cris.h (SECONDARY_RELOAD_CLASS): Handle reload
requests between special registers.
2009-10-13 Andreas Krebbel <>
* config/s390/s390.c (s390_encode_section_info): Handle BLKmode
2009-10-12 Hans-Peter Nilsson <>
PR target/26515
* config/cris/ (andu): Check that operand 1 is one of the
general registers. Fix typo in head comment.
2009-10-12 Jakub Jelinek <>
PR target/41680
* config/i386/ (split after *testqi_ext_3_rex64): Only narrow
paradoxical subregs to prevent partial register stalls if the inner
mode is integer mode.
PR rtl-optimization/41646
* calls.c (expand_call): For BLKmode types returned in registers
avoid likely spilled hard regs in copy_blkmode_from_reg generated
2009-10-09 Andreas Krebbel <>
* config/s390/ ("prefetch"): Remove stcmh for prefetching.
2009-10-07 Andreas Krebbel <>
* config/s390/tpf.h (TARGET_DEFAULT): Remove MASK_HARD_FLOAT and
2009-10-05 Ramana Radhakrishnan <>
Backport from mainline.
* config/arm/arm.c (arm_override_options): Really initialize
flag_dwarf2_cfi_asm to 0.
2009-10-02 Ramana Radhakrishnan <>
Backport from mainline.
2009-10-01 Ramana Radhakrishnan <>
* config/arm/arm.c (arm_override_options): Turn off
flag_dwarf2_cfi_asm for AAPCS variants.
2009-09-30 Uros Bizjak <>
PR target/22093
* config/alpha/ (unaligned_storehi_be): Force operand
of plus RTX into register.
2009-09-30 Andreas Krebbel <>
* config/s390/fixdfdi.h: Add Runtime Library Exception wording to
the License text.
2009-09-25 Jakub Jelinek <>
* tree-vect-transform.c (vectorizable_call): Call
mark_symbols_for_renaming after vect_finish_stmt_generation.
2009-09-25 Alan Modra <>
* config/rs6000/ (load_toc_v4_PIC_3c): Correct POWER
form of instruction.
2009-09-24 Kai Tietz <>
* libgcc2.c (L_trampoline): Prototype for getpagesize
and mprotect in WINNT case.
2009-09-24 Alan Modra <>
PR target/40473
* config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
call final to emit non-scheduled prologue, instead insert at entry.
2009-09-23 Dodji Seketeli <>
PR debug/41065
* function.h (types_used_by_vars_hash): Declare new hash table.
(types_used_by_vars_eq, types_used_by_var_decl_insert): Declare
equality and hash function for the hash table.
(types_used_by_cur_var_decl): Declare a new global chained list.
(types_used_by_var_decl_insert): Declare new function.
* function.c (types_used_by_vars_hash): Define the hashtable ...
(types_used_by_vars_eq, types_used_by_vars_do_hash): ... as well as
its equality and hash functions.
(hash_types_used_by_vars_entry): New hash helper.
(types_used_by_cur_var_decl): Define the global chained list.
(used_types_insert): Update the list of types used by the global
variable being parsed.
(types_used_by_var_decl_insert): Define new function.
* c-common.h (record_types_used_by_current_var_decl): Declare ...
* c-common.c (record_types_used_by_current_var_decl): ... new
* c-decl.c (finish_decl): Record the types used by the global
variable declaration we've just parsed.
* dwarf2out.c (premark_used_types): Insert a new line between
comment and function.
(premark_used_types_helper): Fix comment.
premark_types_used_by_global_vars): New functions.
(prune_unused_types): Do not prune types used by global variables.
2009-09-23 Uros Bizjak <>
PR c/39779
* c-typeck.c (build_binary_op) <short_shift>: Check that integer
constant is more than zero.
2009-09-21 Richard Sandiford <>
* config/mips/mips.c (mips_override_options): Force
flag_dwarf2_cfi_asm to zero.
2009-09-21 Kai Tietz <>
* config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
xmm register restore.
2009-09-20 Kai Tietz <>
Pascal Obry <>
Backport from mainline
* unwind-dw2-fde.c (classify_object_over_fdes):
Cast the constant 1 to _Unwind_Ptr.
(add_fdes): Likewise.
(linear_search_fdes): Likewise.
2009-09-18 Jason Merrill <>
* c.opt: Add -fno-deduce-init-list.
2009-09-18 Janis Johnson <>
PR c/41049
* real.c decimal_from_integer, decimal_integer_string): New.
(real_from_integer): Use them as special case for decimal float.
* config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
(_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
Do not append zero after the decimal point in string to convert.
2009-09-16 Richard Guenther <>
Backport from mainline
2009-09-09 Richard Guenther <>
PR tree-optimization/41101
* tree-ssa-pre.c (maximal_set): Remove.
(compute_antic_aux): Treat the maximal set as implicitly all ones.
Defer all blocks we didn't visit at least one successor.
(add_to_exp_gen): Do not add to the maximal set.
(make_values_for_phi): Likewise.
(compute_avail): Likewise.
(init_pre): Do not allocate the maximal set.
(execute_pre): Do not dump it.
2009-09-14 Uros Bizjak <>
* config/alpha/ (smaxsf3): Disable for IEEE mode.
(sminsf3): Ditto.
2009-09-13 Kai Tietz <>
* config.gcc (i?86-*-mingw* and x86_64-*-mingw*): Set
need_64bit_hwint for x64 case to yes.
* Set for x64 mingw the option
use_long_long_for_widest_fast_int to yes.
2009-09-12 Gerald Pfeifer <>
* doc/install.texi (avr): Remove obsolete reference site.
2009-09-12 Gerald Pfeifer <>
* doc/install.texi (Binaries): Adjust AIX link.
2009-09-11 Akim Demaille <>
* doc/invoke.texi (-fstrict-aliasing): Correct two examples.
Use an imperative sentence.
2009-09-09 Kai Tietz <>
* config/i386.c (ix86_can_use_return_insn_p): Check for
padding0, too.
(ix86_expand_prologue): Take frame.padding0 into logic of
to_allocate checks.
(ix86_expand_epilogue): Likewise.
2009-09-07 Uros Bizjak <>
Backport from mainline:
2009-08-27 Uros Bizjak <>
PR rtl-optimization/40861
* simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
extract word from a multi-word subreg for negative byte positions.
2009-09-04 Wolfgang Gellerich <>
* config/s390/ Removed two incorrect bypasses.
(z10_fsimpdf): Fixed latency.
(z10_fhex): New insn_reservation.
(z10_floaddf): Fixed latency.
(z10_floadsf): Fixed latency.
(z10_ftrunctf): Fixed latency.
(z10_ftruncdf): Fixed latency.
* config/s390/s390.c (z10_cost): Fixed values.
(s390_adjust_priority): Added z10 path.
* config/s390/ (type): Added fhex.
(*mov<mode>_64dfp): Updated type attribute.
(*mov<mode>_64): Updated type attribute.
(*mov<mode>_31): Updated type attribute.
(*mov<mode>"): Likewise.
* config/s390/ (x_fsimpdf): Updated condition.
2009-08-31 Chris Demetriou <>
* config/i386/i386.c (ix86_vectorize_builtin_conversion): Never
vectorize if not TARGET_SSE2.
2009-08-31 Gerald Pfeifer <>
* doc/install.texi (Final install): Adjust reference on where to
order printed manuals.
2009-08-29 Kai Tietz<>
* config/i386.c (ix86_expand_epilogue): Correct stack adjustment for
2009-08-28 Jan Beulich <>
* config/i386/netware.c: Include langhooks.h.
(i386_nlm_encode_section_info): Simplify.
(netware_override_options): Delete.
* config/i386/netware.h (netware_override_options): Delete
(OVERRIDE_OPTIONS): Delete definition.
* config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.
2009-08-28 Uros Bizjak <>
Backport from mainline:
2009-08-26 Uros Bizjak <>
* config/alpha/ Update comment about unpredictable LL/SC lock
clearing by a taken branch.
(sync_<fetchop_name><mode>): Split when epilogue_completed is set,
effectively after bbro pass.
(sync_nand<mode>): Ditto.
(sync_old_<fetchop_name><mode>): Ditto.
(sync_old_nand<mode>): Ditto.
(sync_new_<fetchop_name><mode>): Dito.
(sync_new_nand<mode>): Ditto.
(sync_compare_and_swap<mode>_1): Ditto.
(*sync_compare_and_swap<mode>): Ditto.
(sync_lock_test_and_set<mode>_1): Ditto.
("sync_lock_test_and_set<mode>): Ditto.
2009-08-25 Uros Bizjak <>
* config/alpha/ (*cmpdf_ieee_ext[123]): Remove.
(*cmpdf_internal): Enable for all ALPHA_FPTM levels.
(*movdfcc_ext[1234]): Disable for IEEE mode.
2009-08-16 Uros Bizjak <>
* config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned
from prev_active_insn.
2009-08-27 Gerald Pfeifer <>
* doc/service.texi (service directory): Update URL.
2009-08-26 Anatoly Sokolov <>
* doc/invoke.texi (AVR Options): Remove documentation of -minit-stack
2009-08-25 Anatoly Sokolov <>
PR target/34412
* config/avr/avr.c (expand_epilogue): Use correct QI mode frame
pointer for tiny stack.
2009-08-24 Richard Guenther <>
PR middle-end/41094
* builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
pow(x,y*z) only if x is nonnegative.
2009-08-23 Uros Bizjak <>
PR target/40718
* config/i386/i386.c (*call_pop_1): Disable for sibling calls.
(*call_value_pop_1): Ditto.
(*sibcall_pop_1): New insn pattern.
(*sibcall_value_pop_1): Ditto.
2009-08-20 Andreas Krebbel <>
* config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
(s390_z10_fix_long_loop_prediction): New function.
(s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
(s390_reorg): Walk over the INSNs and invoke
s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.
2009-08-19 Jakub Jelinek <>
PR middle-end/41123
* expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.
2009-08-18 Jakub Jelinek <>
PR target/40971
* config/rs6000/rs6000.c (rs6000_legitimize_address): For
[DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.
2009-08-16 Uros Bizjak <>
Backport from mainline:
2009-08-14 Uros Bizjak <>
PR target/41019
* config/i386/ (SSEMODE124C8): New mode iterator.
(vcond<SSEMODEF2P:mode>): Assert that operation is supported by
(vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
Assert that operation is supported by ix86_expand_int_vcond.
(vcondu<SSEMODE124C8:mode>): Ditto.
2009-08-16 Dodji Seketeli <>
PR debug/37801
* gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
generating inlined subroutine die only. We shouldn't be
called for anything else.
(gen_block_die): Don't generate inline subroutine debug info for
abstract blocks.
2009-08-13 Uros Bizjak <>
Backport from mainline:
2009-08-11 Uros Bizjak <>
PR target/8603
* config/alpha/ (addsi3): Remove expander.
(addsi3): Rename from *addsi3_internal insn pattern.
(subsi3): Remove expander.
(subsi3): Rename from *subsi3_internal insn pattern.
2009-08-13 Andrey Belevantsev <>
PR rtl-optimization/41033
* alias.c (nonoverlapping_component_refs_p): Punt when strict
aliasing is disabled.
2009-08-11 SUGIOKA Toshinobu <>
Backport from mainline:
2009-08-10 SUGIOKA Toshinobu <>
PR target/41015
* longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
(sub_ddmmss): Likewise.
2009-08-10 Andreas Tobler <>
PR bootstrap/41018
* config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
2009-08-09 Richard Guenther <>
PR tree-optimization/41016
* tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
(operand_precision): Remove.
(integral_operand_p): Likewise.
(recognize_single_bit_test): Adjust.
2009-08-05 Uros Bizjak <>
Mikulas Patocka <>
PR target/40906
* config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
source operand.
2009-08-05 Richard Earnshaw <>
* (movdi2): Copy non-reg values to DImode registers.
2009-08-05 Jakub Jelinek <>
PR rtl-optimization/40924
* dse.c (canon_address): Before calling cselib_expand_value_rtx
make sure canon_rtx (mem_address) isn't simpler than
canon_rtx (expanded_mem_address).
2009-08-03 Janis Johnson <>
PR c/39902
* simplify-rtx.c (simplify_binary_operation_1): Disable
simplifications for decimal float operations.
2009-08-03 Jakub Jelinek <>
PR middle-end/40943
* tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
operand of INDIRECT_REF.
2009-08-03 Uros Bizjak <>
* config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
constants referencing TLS symbols.
2009-07-30 Andreas Krebbel <>
* config/s390/s390.c (override_options): Default
max-unrolled-insns to 100 for z10 tuning.
2009-07-30 Andreas Krebbel <>
* config/s390/ (ZQ, ZR, ZS, ZT): New constraints.
(U, W): Constraints are now deprecated and will be removed if we
run out of letters.
* config/s390/ (U, W): Replaced with ZQZR, ZSZT throughout
the file.
("prefetch"): Add the stcmh instruction for prefetching.
* config/s390/s390.c (s390_symref_operand_p): Function moved. No
(s390_short_displacement): Return always true if compiling for
machines not providing the long displacement facility.
(s390_mem_constraint): Support the new constraint letter Z.
(s390_check_qrst_address): New function.
2009-07-30 Uros Bizjak <>
PR target/40577
* config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
to DImode when generating insq_le insn.
2009-07-20 John David Anglin <>
Backport from mainline:
2009-07-20 John David Anglin <>
* pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
Cast "1" to unsigned HOST_WIDE_INT.
(compute_zdepdi_operands): Limit maximum length to 64 bits. Limit
deposit length to the maximum length - lsb. Extend length if
2009-07-25 Mark Loeser <>
PR build/40010
* (gcc.pod): Depend on gcc-vers.texi.
2009-07-23 Uros Bizjak <>
PR target/40832
* config/i386/i386.c (output_387_ffreep): Rewrite to use
ASM_SHORT instead of .word.
* config/i386/ (*tls_global_dynamic_64): Use ASM_SHORT
instead of .word in asm template.
2009-07-22 Kaz Kojima <>
Backport from mainline:
2009-07-15 Eric Botcazou <>
PR rtl-optimization/40710
* resource.c (mark_target_live_regs): Reset DF problem to LR.
2009-07-22 Richard Guenther <>
PR tree-optimization/40321
* tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
PHI nodes to the maximal set.
(make_values_for_phi): Add PHI arguments to the maximal set.
(execute_pre): Dump PHI_GEN and the maximal set.
2009-07-22 Jakub Jelinek <>
* BASE-VER: Set to 4.4.2.
* DEV-PHASE: Set to prerelease.
2009-07-22 Release Manager
* GCC 4.4.1 released.
2009-07-21 Jakub Jelinek <>
PR tree-optimization/40813
* tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
2009-07-21 Uros Bizjak <>
Backport from mainline:
2009-04-29 Richard Guenther <>
PR target/39943
* config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
allow conversion to signed integers.
2009-07-20 Jakub Jelinek <>
PR tree-optimization/40792
* tree.c (build_function_type_skip_args): Remove bogus assert.
2009-07-17 Jakub Jelinek <>
PR c++/40780
* gimplify.c (gimplify_conversion): Don't change non-conversions into
2009-07-15 Jakub Jelinek <>
PR middle-end/40747
* fold-const.c (fold_cond_expr_with_comparison): When folding
< and <= to MIN, make sure the MIN uses the same type as the
comparison's operands.
2009-07-12 Kai Tietz <>
* config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
just for 32-bit case.
2009-07-11 Jakub Jelinek <>
PR rtl-optimization/40667
* defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
* doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
* config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
* config/i386/i386.c (ix86_minimum_alignment): New function.
* config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
* cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
* emit-rtl.c (gen_reg_rtx): Likewise.
* function.c (assign_parms): Likewise. If nominal_type needs
bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
rather than passed_type's alignment.
PR target/40668
* function.c (assign_parm_setup_stack): Adjust
MEM_OFFSET (data->stack_parm) if promoted_mode is different
from nominal_mode on big endian.
2009-07-08 Richard Henderson <>
PR target/38900
* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
(enum reg_class): Add CLOBBERED_REGS.
* config/i386/i386.c (ix86_conditional_register_usage): Moved
(ix86_function_ok_for_sibcall): Tidy. Disallow MS->SYSV sibcalls.
(ix86_expand_call): Use sibcall_insn_operand when needed. Don't
force 64-bit sibcalls into R11.
* config/i386/ (U): New constraint.
* config/i386/ (sibcall_1, sibcall_value_1): Use it.
(sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
(sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
2009-07-07 Eric Botcazou <>
PR debug/40666
* dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
to variables for debugging purposes.
2009-07-07 Jakub Jelinek <>
PR middle-end/40669
* tree-tailcall.c (adjust_return_value_with_ops,
create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
if it has complex or vector type.
Backport from mainline:
2009-06-03 Richard Guenther <>
PR middle-end/40328
* fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
2009-07-03 Vladimir Makarov <>
PR target/40587
* ira.c (build_insn_chain): Use DF_LR_OUT instead of
2009-07-02 Richard Guenther <>
PR middle-end/40585
* tree-cfg.c (gimple_can_duplicate_bb_p): Disallow duplicating
basic blocks with GIMPLE_RESX.
2009-07-01 Martin Jambor <>
Backport from mainline:
2009-05-11 Martin Jambor <>
* ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
2009-06-30 Jakub Jelinek <>
PR c++/40566
* convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
to type arguments that have void type.
2009-06-30 Ira Rosen <>
PR tree-optimization/40542
* tree-vect-analyze.c (vect_determine_vectorization_factor): Don't
vectorize volatile types.
2009-06-29 Janis Johnson <>
PR c/39902
* tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
Special-case decimal float constants.
2009-06-29 Uros Bizjak <>
* doc/extend.texi (Additional Floating Types): __float128 is also
supported on i386 targets.
2009-06-29 Richard Guenther <>
PR tree-optimization/40579
* tree-vrp.c (vrp_evaluate_conditional): Bail out early if
the IL to simplify has constants that overflowed.
2009-06-28 Uros Bizjak <>
PR tree-optimization/40550
* tree-vect-generic.c (expand_vector_operations_1): Compute in
vector_compute_type only when the size of vector_compute_type is
less than the size of type.
2009-06-27 Kai Tietz <>
Merged from trunk rev/148061
2009-06-01 Jakub Jelinek <>
PR other/40024
* emutls.c (__emutls_get_address): Change arr->size to mean number
of allocated arr->data entries instead of # of slots + 1.
2009-06-22 Steven Bosscher <>
Matthias Klose <>
PR objc/28050
* c-parser.c (c_parser_objc_message_args): Return error_mark_node
instead of NULL if a parser error occurs.
2009-06-18 H.J. Lu <>
Backport from mainline:
2009-06-18 H.J. Lu <>
PR target/40470
* config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
2009-06-17 Richard Guenther <>
PR middle-end/40460
* tree-chrec.h (build_polynomial_chrec): If we cannot determine
if there is no evolution of left in the loop bail out.
* tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
2009-06-17 Richard Guenther <>
PR middle-end/40389
* tree-ssa-operands.c (parse_ssa_operands): Add NRV results
to the addresses taken bitmap.
2009-06-16 Jakub Jelinek <>
PR middle-end/40446
* expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
use gen_lowpart if op0 has complex mode.
2009-06-14 Andreas Krebbel <>
* config/s390/ ("bswap<mode>2"): Only available on z900.
2009-06-11 H.J. Lu <>
Backport from mainline:
2009-06-10 H.J. Lu <>
* doc/extend.texi: Add description for __builtin_ia32_crc32di.
2009-06-05 Jakub Jelinek <>
PR middle-end/40340
* tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
inlined_function_outer_scope_p blocks for artificial inlines
even at -g0/-g1.
* tree.c (tree_nonartificial_location): Rewrite using
2009-06-03 Jakub Jelinek <>
* dwarf2out.c (output_cfi_directive): Pass 1 instead of
0 to second argument of DWARF2_FRAME_REG_OUT macros.
2009-06-02 Kaz Kojima <>
Backport from mainline:
2009-05-31 Kaz Kojima <>
* config/sh/ (ashldi3_std): New define_expand.
(ashldi3): Use it.
2009-06-02 Jakub Jelinek <>
* dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
force output of the label even for dwarf2out_do_cfi_asm.
(add_fde_cfi): If -g2 and above and cfi might change CFA,
force creation of CFI label and chain DW_CFA_set_loc jumping to it
for convert_cfa_to_fb_loc_list. Adjust other dwarf2out_cfi_label
(dwarf2out_stack_adjust, dwarf2out_frame_debug): Adjust
dwarf2out_cfi_label callers.
* tree.h (dwarf2out_cfi_label): Adjust prototype.
* config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
Adjust dwarf2out_cfi_label callers.
* config/vax/vax.c (vax_output_function_prologue): Likewise.
2009-05-29 Jakub Jelinek <>
PR middle-end/40291
* builtins.c (expand_builtin_memcmp): Convert len to sizetype
before expansion.
PR target/40017
* config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
(altivec_categorize_keyword, init_vector_keywords,
rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
similar to bool.
2009-05-28 Alexandre Oliva <>
* tree-inline.c (remap_decls): Enable nonlocalized variables
when not optimizing.
2009-05-28 Alexandre Oliva <>
* tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
Simplify other tests involving optimize.
2009-05-27 H.J. Lu <>
Backport from mainline:
2009-05-27 H.J. Lu <>
PR target/40266
* config/i386/driver-i386.c (host_detect_local_cpu): Support
2009-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
PR bootstrap/40027
* config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
* config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
2009-05-24 Kaz Kojima <>
* gcc/config/sh/sh.c (sh_set_return_address): Mark store of
return address with a USE.
2009-05-23 Eric Botcazou <>
* doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
Remove outdated reference to flow.c and fix nits.
* doc/gccint.texi: Tweak RTL description.
* doc/rtl.texi: Likewise.
2009-05-22 Zdenek Dvorak <>
PR tree-optimization/40087
* tree-ssa-loop-niter.c (number_of_iterations_ne_max,
number_of_iterations_ne): Rename never_infinite argument.
(number_of_iterations_lt_to_ne, number_of_iterations_lt,
number_of_iterations_le): Handle pointer-type ivs when
exit_must_be_taken is false.
(number_of_iterations_cond): Do not always assume that
exit_must_be_taken if the control variable is a pointer.
2009-05-22 Vladimir Makarov <>
PR target/39856
* reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
for clobber.
2009-05-21 Kaz Kojima <>
PR rtl-optimization/40105
Backport from mainline:
2009-04-29 Eric Botcazou <>
Steven Bosscher <>
* (cfgrtl.o): Add $(INSN_ATTR_H).
* cfgrtl.c: Include insn-attr.h.
(rest_of_pass_free_cfg): New function.
(pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
2009-04-27 Richard Sandiford <>
Eric Botcazou <>
* resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
a label's basic block.
(mark_target_live_regs): Tidy and rework obsolete comments.
Change back DF problem to LIVE. If a label starts a basic block,
assume that all registers that used to be live then still are.
(init_resource_info): If a label starts a basic block, set its
BLOCK_FOR_INSN accordingly.
(free_resource_info): Undo the setting of BLOCK_FOR_INSN.
2009-05-21 Jakub Jelinek <>
PR target/39942
* config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
.p2align 3 if MAX_SKIP is smaller than 7.
* config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
2009-05-20 Jakub Jelinek <>
PR middle-end/40204
* fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
recursion if build_int_cst_type returns the same INTEGER_CST as
2009-05-19 Richard Guenther <>
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
not falsely claim to have propagated into all uses.
2009-05-18 Dodji Seketeli <>
PR debug/40109
* dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
child of the containing namespace's DIE.
2009-05-18 Richard Guenther <>
PR tree-optimization/39999
* gimple.h (gimple_expr_type): Use the expression type looking
through useless conversions.
* tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
(vn_nary_op_insert_stmt): Likewise.
(simplify_binary_expression): Likewise.
2009-05-16 Richard Earnshaw <>
PR target/40153
* (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
2009-05-14 H.J. Lu <>
Backport from mainline:
2009-05-14 H.J. Lu <>
PR middle-end/40147
* ipa-utils.h (memory_identifier_string): Moved to ...
* tree.h (memory_identifier_string): Here. Add GTY(()).
2009-05-14 Ben Elliston <>
Backport from mainline:
2009-05-14 Jakub Jelinek <>
Ben Elliston <>
PR middle-end/40035
* dse.c (check_mem_read_rtx): Guard against width == -1.
2009-05-13 Uros Bizjak <>
PR target/37179
* config/i386/driver-i386.c (processor_signatures): New enum.
(SIG_GEODE): Move from vendor_signatures to processor_signatures.
(host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
processor signature to detect geode processor.
2009-05-12 Jakub Jelinek <>
Backport from mainline:
2009-05-05 Jakub Jelinek <>
PR middle-end/39666
* gimplify.c (gimplify_switch_expr): If case labels cover the whole
range of the type, but default label is missing, add it with one
of the existing labels instead of adding a new label for it.
2009-05-11 H.J. Lu <>
Backport from mainline:
2009-05-11 H.J. Lu <>
* tree-vect-analyze.c (vect_analyze_group_access): Use
HOST_WIDE_INT for gap.
2009-05-11 Ira Rosen <>
PR tree-optimization/40074
* tree-vect-analyze.c (vect_analyze_group_access): Take gaps into
account in group size and step comparison.
2009-05-08 Richard Guenther <>
PR tree-optimization/40062
* tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
Avoid exponential behavior.
2009-05-07 Janis Johnson <>
PR middle-end/39986
* dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
decode_decimal64, encode_decimal128, decode_decimal128): Avoid
32-bit memcpy into long.
2009-05-07 Jakub Jelinek <>
PR middle-end/40057
* dojump.c (prefer_and_bit_test): Use immed_double_const instead of
GEN_INT for 1 << bitnum.
(do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
2009-05-07 Uros Bizjak <>
* doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
Remove wrong description of "nand" operation.
2009-05-06 H.J. Lu <>
Backport from mainline:
2009-05-06 H.J. Lu <>
* config/i386/ (*avx_<code><mode>3_finite): Replace
ssemodesuffixf2c with avxmodesuffixf2c.
2009-05-06 Richard Guenther <>
PR tree-optimization/40022
* tree-ssa-phiprop.c (phivn_valid_p): Fix tuplification error.
2009-05-04 DJ Delorie <>
* config/m32c/m32c.c (m32c_override_options): Disable -fivopts for
-mcpu=m32c until ivopts supports sizeof(ptr) != sizeof(size_t).
(m32c_legitimize_reload_address): Work around reload bug until
reload supports sizeof(ptr) != sizeof(size_t).
2009-05-03 Uros Bizjak <>
Backport from mainline:
2009-04-28 Uros Bizjak <>
PR rtl-optimization/39914
* ira-conflicts.c (ira_build_conflicts): Prohibit call used
registers for allocnos created from user-defined variables only
when not optimizing.
2009-04-29 Kaveh R. Ghazi <>
* toplev.c (print_version): Update GMP version string calculation.
2009-04-28 H.J. Lu <>
Backport from mainline:
2009-04-27 H.J. Lu <>
PR target/39903
* config/i386/i386.c (construct_container): Don't call
gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
2009-04-27 Jakub Jelinek <>
PR rtl-optimization/39794
* alias.c (canon_true_dependence): Add x_addr argument.
* rtl.h (canon_true_dependence): Adjust prototype.
* cse.c (check_dependence): Adjust canon_true_dependence callers.
* cselib.c (cselib_invalidate_mem): Likewise.
* gcse.c (compute_transp): Likewise.
* dse.c (scan_reads_nospill): Likewise.
(record_store, check_mem_read_rtx): Likewise. For non-const-or-frame
addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
canon_base_addr of the group, plus optional offset.
(struct group_info): Rename canon_base_mem to
(get_group_info): Set canon_base_addr to canon_rtx of base, not
canon_rtx of base_mem.
2009-04-26 Jakub Jelinek <>
PR inline-asm/39543
* fwprop.c (forward_propagate_asm): New function.
(forward_propagate_and_simplify): Propagate also into __asm, if it
doesn't increase the number of referenced registers.
PR c/39889
* stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
2009-04-24 Andreas Krebbel <>
* config/s390/ ('I', 'J'): Fix condition.
2009-04-24 Paolo Bonzini <>
PR middle-end/39867
* fold-const.c (fold_cond_expr_with_comparison): When folding
> and >= to MAX, make sure the MAX uses the same type as the
comparison's operands.
2009-04-23 Ulrich Weigand <>
* config/spu/spu-builtins.h: Delete file.
* config/spu/spu.h (enum spu_builtin_type): Move here from
(struct spu_builtin_description): Likewise. Add GTY marker.
Do not use enum spu_function_code or enum insn_code.
(spu_builtins): Add extern declaration.
* config/spu/spu.c: Do not include "spu-builtins.h".
(enum spu_function_code, enum spu_builtin_type_index,
V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
unsigned_V8HI_type_node, unsigned_V4SI_type_node,
unsigned_V2DI_type_node): Move here from spu-builtins.h.
(spu_builtin_types): Make static. Add GTY marker.
(spu_builtins): Add extern declaration with GTY marker.
Include "gt-spu.h".
* config/spu/spu-c.c: Do not include "spu-builtins.h".
(spu_resolve_overloaded_builtin): Do not use spu_function_code.
Check programmatically whether all parameters are scalar.
* config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
2009-04-22 Jing Yu <>
PR testsuite/39781
* config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
2009-04-22 Eric Botcazou <>
Backport from mainline:
2009-04-17 Eric Botcazou <>
* dbxout.c (dbxout_block): Reinstate test on TREE_USED.
* tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
2009-04-22 Jakub Jelinek <>
* alias.c (find_base_term): Move around LO_SUM case, so that
CONST falls through into PLUS/MINUS handling.
PR c/39855
* fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
into 0, use omit_one_operand.
2009-04-22 Vladimir Makarov <>
PR rtl-optimization/39762
* ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
ira_may_move_out_cost): Add comments about way of their usage.
(ira_get_register_move_cost, ira_get_may_move_cost): New functions.
* ira-conflicts.c (process_regs_for_copy): Use function
ira_get_register_move_cost instead of global
* ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
color_pass, move_spill_restore, update_curr_costs): Ditto.
* ira-lives.c (process_single_reg_class_operands): Ditto.
* ira-emit.c (emit_move_list): Ditto.
* ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
(record_reg_classes): Ditto. Use functions
ira_get_register_move_cost and ira_get_may_move_cost instead of
global vars ira_register_move_cost, ira_may_move_out_cost and
(record_address_regs): Don't call ira_init_register_move_cost.
Use function ira_get_may_move_cost instead of global
(process_bb_node_for_hard_reg_moves): Use function
ira_get_register_move_cost instead of global ira_register_move_cost.
(ira_costs): Don't call ira_init_register_move_cost.
2009-04-22 Richard Guenther <>
PR tree-optimization/39824
* tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
make sure the types are compatible.
2009-04-21 Jakub Jelinek <>
* BASE-VER: Set to 4.4.1.
* DEV-PHASE: Set to prerelease.
2009-04-21 Release Manager
* GCC 4.4.0 released.
2009-04-20 Anatoly Sokolov <>
* config/avr/ (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
whether operands 0 and 1 overlaps.
2009-04-20 Ira Rosen <>
PR tree-optimization/39675
* tree-vect-transform.c (vect_transform_loop): Remove currently
redundant check of the return code of vect_schedule_slp. Check that
stmt_vec_info still exists for the statement, before checking its
vectorization type.
2009-04-17 Aurelien Jarno <>
* config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
2009-04-16 Kaz Kojima <>
Backport from mainline:
PR target/39767
* config/sh/ (arith_operand): Check if the operand
2009-04-15 Richard Guenther <>
Backport from mainline:
PR tree-optimization/39764
* tree-ssa-ccp.c (get_value): Canonicalize value with
2009-04-14 H.J. Lu <>
Backport from mainline:
2009-04-09 H.J. Lu <>
PR target/39678
* config/i386/i386.c (classify_argument): Handle SCmode with
(bit_offset % 64) != 0.
2009-04-14 Uros Bizjak <>
Backport from mainline:
2009-04-12 Uros Bizjak <>
PR target/39740
* config/alpha/ (local_symbolic_operand): Return 1 for
offseted label references.
2009-04-11 Richard Guenther <>
PR tree-optimization/39713
* tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
reference trees have SSA_NAME operands.
2009-04-10 H.J. Lu <>
Backport from mainline:
2009-04-10 H.J. Lu <>
* config/rs6000/darwin-vecsave.asm: Remove extra "*/".
2009-04-09 Nick Clifton <>
* unwind-compat.c: Change copyright header to refer to version
3 of the GNU General Public License with version 3.1 of the
GCC Runtime Library Exception and to point readers at the
COPYING3 and COPYING3.RUNTIME files and the FSF's license web
* config/alpha/crtfastmath.c: Likewise.
* config/alpha/linux-unwind.h: Likewise.
* config/alpha/qrnnd.asm: Likewise.
* config/alpha/vms-crt0-64.c: Likewise.
* config/alpha/vms-crt0.c: Likewise.
* config/alpha/vms-dwarf2.asm: Likewise.
* config/alpha/vms-dwarf2eh.asm: Likewise.
* config/alpha/vms-psxcrt0-64.c: Likewise.
* config/alpha/vms-psxcrt0.c: Likewise.
* config/alpha/vms_tramp.asm: Likewise.
* config/arc/initfini.c: Likewise.
* config/arc/lib1funcs.asm: Likewise.
* config/arm/bpabi-v6m.S: Likewise.
* config/arm/bpabi.S: Likewise.
* config/arm/bpabi.c: Likewise.
* config/arm/crti.asm: Likewise.
* config/arm/crtn.asm: Likewise.
* config/arm/ieee754-df.S: Likewise.
* config/arm/ieee754-sf.S: Likewise.
* config/arm/lib1funcs.asm: Likewise.
* config/arm/libunwind.S: Likewise.
* config/arm/linux-atomic.c: Likewise.
* config/arm/mmintrin.h: Likewise.
* config/arm/pr-support.c: Likewise.
* config/arm/unaligned-funcs.c: Likewise.
* config/arm/unwind-arm.c: Likewise.
* config/arm/unwind-arm.h: Likewise.
* config/avr/libgcc.S: Likewise.
* config/bfin/crti.s: Likewise.
* config/bfin/crtlibid.s: Likewise.
* config/bfin/crtn.s: Likewise.
* config/bfin/lib1funcs.asm: Likewise.
* config/bfin/linux-unwind.h: Likewise.
* config/cris/arit.c: Likewise.
* config/cris/cris_abi_symbol.c: Likewise.
* config/darwin-64.c: Likewise.
* config/darwin-crt2.c: Likewise.
* config/darwin-crt3.c: Likewise.
* config/darwin.h: Likewise.
* config/dbxelf.h: Likewise.
* config/dfp-bit.c: Likewise.
* config/dfp-bit.h: Likewise.
* config/elfos.h: Likewise.
* config/fixed-bit.c: Likewise.
* config/fixed-bit.h: Likewise.
* config/fp-bit.c: Likewise.
* config/fp-bit.h: Likewise.
* config/fr30/crti.asm: Likewise.
* config/fr30/crtn.asm: Likewise.
* config/fr30/lib1funcs.asm: Likewise.
* config/freebsd-spec.h: Likewise.
* config/frv/cmovd.c: Likewise.
* config/frv/cmovh.c: Likewise.
* config/frv/cmovw.c: Likewise.
* config/frv/frvbegin.c: Likewise.
* config/frv/frvend.c: Likewise.
* config/frv/lib1funcs.asm: Likewise.
* config/h8300/clzhi2.c: Likewise.
* config/h8300/crti.asm: Likewise.
* config/h8300/crtn.asm: Likewise.
* config/h8300/ctzhi2.c: Likewise.
* config/h8300/fixunssfsi.c: Likewise.
* config/h8300/lib1funcs.asm: Likewise.
* config/h8300/parityhi2.c: Likewise.
* config/h8300/popcounthi2.c: Likewise.
* config/i386/ammintrin.h: Likewise.
* config/i386/att.h: Likewise.
* config/i386/avxintrin.h: Likewise.
* config/i386/biarch64.h: Likewise.
* config/i386/bmmintrin.h: Likewise.
* config/i386/cpuid.h: Likewise.
* config/i386/cross-stdarg.h: Likewise.
* config/i386/crtfastmath.c: Likewise.
* config/i386/crtprec.c: Likewise.
* config/i386/cygming-crtbegin.c: Likewise.
* config/i386/cygming-crtend.c: Likewise.
* config/i386/cygwin.asm: Likewise.
* config/i386/emmintrin.h: Likewise.
* config/i386/gmm_malloc.h: Likewise.
* config/i386/gthr-win32.c: Likewise.
* config/i386/i386.h: Likewise.
* config/i386/immintrin.h: Likewise.
* config/i386/linux-unwind.h: Likewise.
* config/i386/linux64.h: Likewise.
* config/i386/mm3dnow.h: Likewise.
* config/i386/mmintrin-common.h: Likewise.
* config/i386/mmintrin.h: Likewise.
* config/i386/nmmintrin.h: Likewise.
* config/i386/pmm_malloc.h: Likewise.
* config/i386/pmmintrin.h: Likewise.
* config/i386/smmintrin.h: Likewise.
* config/i386/sol2-c1.asm: Likewise.
* config/i386/sol2-ci.asm: Likewise.
* config/i386/sol2-cn.asm: Likewise.
* config/i386/sol2-gc1.asm: Likewise.
* config/i386/tmmintrin.h: Likewise.
* config/i386/unix.h: Likewise.
* config/i386/w32-unwind.h: Likewise.
* config/i386/wmmintrin.h: Likewise.
* config/i386/x86-64.h: Likewise.
* config/i386/x86intrin.h: Likewise.
* config/i386/xmmintrin.h: Likewise.
* config/ia64/crtbegin.asm: Likewise.
* config/ia64/crtend.asm: Likewise.
* config/ia64/crtfastmath.c: Likewise.
* config/ia64/crti.asm: Likewise.
* config/ia64/crtn.asm: Likewise.
* config/ia64/fde-glibc.c: Likewise.
* config/ia64/lib1funcs.asm: Likewise.
* config/ia64/linux-unwind.h: Likewise.
* config/ia64/quadlib.c: Likewise.
* config/ia64/unwind-ia64.c: Likewise.
* config/linux.h: Likewise.
* config/m32c/m32c-lib1.S: Likewise.
* config/m32c/m32c-lib2.c: Likewise.
* config/m32r/initfini.c: Likewise.
* config/m68hc11/larith.asm: Likewise.
* config/m68hc11/m68hc11-crt0.S: Likewise.
* config/m68k/ Likewise.
* config/m68k/crti.s: Likewise.
* config/m68k/crtn.s: Likewise.
* config/m68k/lb1sf68.asm: Likewise.
* config/m68k/linux-unwind.h: Likewise.
* config/mcore/crti.asm: Likewise.
* config/mcore/crtn.asm: Likewise.
* config/mcore/lib1.asm: Likewise.
* config/mips/linux-unwind.h: Likewise.
* config/mips/loongson.h: Likewise.
* config/mips/mips16.S: Likewise.
* config/mmix/crti.asm: Likewise.
* config/mmix/crtn.asm: Likewise.
* config/pa/fptr.c: Likewise.
* config/pa/hpux-unwind.h: Likewise.
* config/pa/lib2funcs.asm: Likewise.
* config/pa/linux-atomic.c: Likewise.
* config/pa/linux-unwind.h: Likewise.
* config/pa/milli64.S: Likewise.
* config/pa/quadlib.c: Likewise.
* config/pa/stublib.c: Likewise.
* config/picochip/libgccExtras/adddi3.asm: Likewise.
* config/picochip/libgccExtras/ashlsi3.asm: Likewise.
* config/picochip/libgccExtras/ashlsi3.c: Likewise.
* config/picochip/libgccExtras/ashrsi3.asm: Likewise.
* config/picochip/libgccExtras/ashrsi3.c: Likewise.
* config/picochip/libgccExtras/cmpsi2.asm: Likewise.
* config/picochip/libgccExtras/divmod15.asm: Likewise.
* config/picochip/libgccExtras/divmodhi4.asm: Likewise.
* config/picochip/libgccExtras/divmodsi4.asm: Likewise.
* config/picochip/libgccExtras/longjmp.asm: Likewise.
* config/picochip/libgccExtras/lshrsi3.asm: Likewise.
* config/picochip/libgccExtras/lshrsi3.c: Likewise.
* config/picochip/libgccExtras/parityhi2.asm: Likewise.
* config/picochip/libgccExtras/popcounthi2.asm: Likewise.
* config/picochip/libgccExtras/setjmp.asm: Likewise.
* config/picochip/libgccExtras/subdi3.asm: Likewise.
* config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
* config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
* config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
* config/rs6000/750cl.h: Likewise.
* config/rs6000/altivec.h: Likewise.
* config/rs6000/biarch64.h: Likewise.
* config/rs6000/crtresfpr.asm: Likewise.
* config/rs6000/crtresgpr.asm: Likewise.
* config/rs6000/crtresxfpr.asm: Likewise.
* config/rs6000/crtresxgpr.asm: Likewise.
* config/rs6000/crtsavfpr.asm: Likewise.
* config/rs6000/crtsavgpr.asm: Likewise.
* config/rs6000/darwin-asm.h: Likewise.
* config/rs6000/darwin-fallback.c: Likewise.
* config/rs6000/darwin-fpsave.asm: Likewise.
* config/rs6000/darwin-ldouble.c: Likewise.
* config/rs6000/darwin-tramp.asm: Likewise.
* config/rs6000/darwin-unwind.h: Likewise.
* config/rs6000/darwin-vecsave.asm: Likewise.
* config/rs6000/darwin-world.asm: Likewise.
* config/rs6000/e500crtres32gpr.asm: Likewise.
* config/rs6000/e500crtres64gpr.asm: Likewise.
* config/rs6000/e500crtres64gprctr.asm: Likewise.
* config/rs6000/e500crtrest32gpr.asm: Likewise.
* config/rs6000/e500crtrest64gpr.asm: Likewise.
* config/rs6000/e500crtresx32gpr.asm: Likewise.
* config/rs6000/e500crtresx64gpr.asm: Likewise.
* config/rs6000/e500crtsav32gpr.asm: Likewise.
* config/rs6000/e500crtsav64gpr.asm: Likewise.
* config/rs6000/e500crtsav64gprctr.asm: Likewise.
* config/rs6000/e500crtsavg32gpr.asm: Likewise.
* config/rs6000/e500crtsavg64gpr.asm: Likewise.
* config/rs6000/e500crtsavg64gprctr.asm: Likewise.
* config/rs6000/eabi-ci.asm: Likewise.
* config/rs6000/eabi-cn.asm: Likewise.
* config/rs6000/eabi.asm: Likewise.
* config/rs6000/linux-unwind.h: Likewise.
* config/rs6000/linux64.h: Likewise.
* config/rs6000/paired.h: Likewise.
* config/rs6000/ Likewise.
* config/rs6000/ppc64-fp.c: Likewise.
* config/rs6000/ppu_intrinsics.h: Likewise.
* config/rs6000/rs6000.h: Likewise.
* config/rs6000/si2vmx.h: Likewise.
* config/rs6000/sol-ci.asm: Likewise.
* config/rs6000/sol-cn.asm: Likewise.
* config/rs6000/spe.h: Likewise.
* config/rs6000/spu2vmx.h: Likewise.
* config/rs6000/sysv4.h: Likewise.
* config/rs6000/tramp.asm: Likewise.
* config/rs6000/vec_types.h: Likewise.
* config/s390/linux-unwind.h: Likewise.
* config/s390/tpf-unwind.h: Likewise.
* config/score/crti.asm: Likewise.
* config/score/crtn.asm: Likewise.
* config/sh/crt1.asm: Likewise.
* config/sh/crti.asm: Likewise.
* config/sh/crtn.asm: Likewise.
* config/sh/divtab-sh4-300.c: Likewise.
* config/sh/divtab-sh4.c: Likewise.
* config/sh/divtab.c: Likewise.
* config/sh/lib1funcs-4-300.asm: Likewise.
* config/sh/lib1funcs-Os-4-200.asm: Likewise.
* config/sh/lib1funcs.asm: Likewise.
* config/sh/lib1funcs.h: Likewise.
* config/sh/linux-atomic.asm: Likewise.
* config/sh/linux-unwind.h: Likewise.
* config/sh/shmedia.h: Likewise.
* config/sh/sshmedia.h: Likewise.
* config/sh/ushmedia.h: Likewise.
* config/sparc/crtfastmath.c: Likewise.
* config/sparc/linux-unwind.h: Likewise.
* config/sparc/sol2-c1.asm: Likewise.
* config/sparc/sol2-ci.asm: Likewise.
* config/sparc/sol2-cn.asm: Likewise.
* config/spu/divmodti4.c: Likewise.
* config/spu/divv2df3.c: Likewise.
* config/spu/float_disf.c: Likewise.
* config/spu/float_unsdidf.c: Likewise.
* config/spu/float_unsdisf.c: Likewise.
* config/spu/float_unssidf.c: Likewise.
* config/spu/mfc_multi_tag_release.c: Likewise.
* config/spu/mfc_multi_tag_reserve.c: Likewise.
* config/spu/mfc_tag_release.c: Likewise.
* config/spu/mfc_tag_reserve.c: Likewise.
* config/spu/mfc_tag_table.c: Likewise.
* config/spu/multi3.c: Likewise.
* config/spu/spu_internals.h: Likewise.
* config/spu/spu_intrinsics.h: Likewise.
* config/spu/spu_mfcio.h: Likewise.
* config/spu/vec_types.h: Likewise.
* config/spu/vmx2spu.h: Likewise.
* config/stormy16/stormy16-lib2.c: Likewise.
* config/svr4.h: Likewise.
* config/sync.c: Likewise.
* config/v850/lib1funcs.asm: Likewise.
* config/vxlib-tls.c: Likewise.
* config/vxlib.c: Likewise.
* config/vxworks-dummy.h: Likewise.
* config/xtensa/crti.asm: Likewise.
* config/xtensa/crtn.asm: Likewise.
* config/xtensa/ieee754-df.S: Likewise.
* config/xtensa/ieee754-sf.S: Likewise.
* config/xtensa/lib1funcs.asm: Likewise.
* config/xtensa/lib2funcs.S: Likewise.
* config/xtensa/linux-unwind.h: Likewise.
* config/xtensa/unwind-dw2-xtensa.c: Likewise.
* config/xtensa/unwind-dw2-xtensa.h: Likewise.
* coretypes.h: Likewise.
* crtstuff.c: Likewise.
* defaults.h: Likewise.
* dwarf2.h: Likewise.
* emutls.c: Likewise.
* gbl-ctors.h: Likewise.
* gcov-io.h: Likewise.
* ginclude/float.h: Likewise.
* ginclude/iso646.h: Likewise.
* ginclude/stdarg.h: Likewise.
* ginclude/stdbool.h: Likewise.
* ginclude/stddef.h: Likewise.
* ginclude/stdfix.h: Likewise.
* ginclude/tgmath.h: Likewise.
* gthr-aix.h: Likewise.
* gthr-dce.h: Likewise.
* gthr-gnat.c: Likewise.
* gthr-gnat.h: Likewise.
* gthr-lynx.h: Likewise.
* gthr-mipssde.h: Likewise.
* gthr-nks.h: Likewise.
* gthr-posix.c: Likewise.
* gthr-posix.h: Likewise.
* gthr-posix95.h: Likewise.
* gthr-rtems.h: Likewise.
* gthr-single.h: Likewise.
* gthr-solaris.h: Likewise.
* gthr-tpf.h: Likewise.
* gthr-vxworks.h: Likewise.
* gthr-win32.h: Likewise.
* gthr.h: Likewise.
* libgcc2.c: Likewise.
* libgcc2.h: Likewise.
* libgcov.c: Likewise.
* tsystem.h: Likewise.
* typeclass.h: Likewise.
* unwind-c.c: Likewise.
* unwind-compat.h: Likewise.
* unwind-dw2-fde-compat.c: Likewise.
* unwind-dw2-fde-darwin.c: Likewise.
* unwind-dw2-fde-glibc.c: Likewise.
* unwind-dw2-fde.c: Likewise.
* unwind-dw2-fde.h: Likewise.
* unwind-dw2.c: Likewise.
* unwind-dw2.h: Likewise.
* unwind-generic.h: Likewise.
* unwind-pe.h: Likewise.
* unwind-sjlj.c: Likewise.
* Likewise.
* config/arm/ Change generated copyright header to
refer to version 3 of the GNU General Public License with
version 3.1 of the GCC Runtime Library Exception and to point
readers at the COPYING3 and COPYING3.RUNTIME files and the
FSF's license web page.
* config/arm/arm_neon.h: Regenerate.
2009-04-09 Jakub Jelinek <>
* config/cris/ Change copyright header to refer to version
3 of the GNU General Public License.
* doc/install.texi2html: Change copyright header to refer to version
3 of the GNU General Public License and to point readers at the
COPYING3 file and the FSF's license web page.
2009-04-08 Jakub Jelinek <>
PR middle-end/39573
* omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
2009-04-08 David Ayers <>
PR objc/27377
* c-typeck.c (build_conditional_expr): Emit ObjC warnings
by calling objc_compare_types and surpress warnings about
incompatible C pointers that are compatible ObjC pointers.
2009-04-07 Alan Modra <>
PR target/39634
* config.gcc (powerpc-*-linux*): Include soft-fp/t-softfp after
2009-04-04 Richard Earnshaw <>
PR target/39501
* (movsfcc): Disable if not TARGET_HARD_FLOAT.
* testsuite/gcc.c-torture/execute/pr39501.c: New file.
* testsuite/gcc.c-torture/execute/pr39501.x: New file.
2009-04-04 Jakub Jelinek <>
* unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
* unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
instead of REG_UNSAVED for DW_CFA_undefined.
(uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
(uw_update_context): If RA column is REG_UNDEFINED, mark it as
outermost frame.
2009-04-02 Ira Rosen <>
PR tree-optimization/39595
* tree-vect-analyze.c (vect_build_slp_tree): Check that the size of
interleaved loads group is not greater than the SLP group size.
2009-04-01 Eric Botcazou <>
PR rtl-optimization/39588
* combine.c (merge_outer_ops): Do not set the constant when this
is not necessary.
(simplify_shift_const_1): Do not modify it either in this case.
2009-04-01 Steven Bosscher <>
* config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
tuning is deprecated if -mtune value is set to an Itanium1 variant.
2009-04-01 Jakub Jelinek <>
PR target/39226
* config/rs6000/ (andsi3_internal5_nomc,
anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
(booldi3_internal3): Use boolean_or_operator instead of
PR c/37772
* c-parser.c (c_parser_asm_statement): Skip until close paren and
return if c_parser_asm_string_literal returned NULL.
2009-04-01 Kai Tietz <>
Andrey Galkin <>
* config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
Make object_name unique for each process.
2009-04-01 Anatoly Sokolov <>
* config/avr/avr.c (avr_override_options): Inform user that
-mno-tablejump option is deprecated.
* doc/invoke.texi (AVR Options): Update -mno-tablejump.
2009-04-01 Jakub Jelinek <>
PR other/39591
* omp-low.c (remove_exit_barrier): Don't optimize if there are any
addressable variables in the parallel that could go out of scope while
running queued tasks.
2009-03-30 Sebastian Pop <>
* doc/invoke.texi (-floop-interchange, -floop-strip-mine,
-floop-block): Document dependences on PPL, CLooG and Graphite.
2009-03-30 Jakub Jelinek <>
2009-03-27 H.J. Lu <>
* c-common.c (pointer_int_sum): Use %wd on return from
2009-03-27 H.J. Lu <>
* c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
on return from tree_low_cst.
2009-03-27 Manuel Lopez-Ibanez <>
PR c++/35652
* builtins.h (c_strlen): Do not warn here.
* c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
* c-common.c (pointer_int_sum): Take an explicit location.
Warn about offsets out of bounds.
* c-common.h (pointer_int_sum): Adjust declaration.
2009-03-29 H.J. Lu <>
Backport from mainline:
2009-03-29 H.J. Lu <>
PR target/39545
* config/i386/i386.c (classify_argument): Ignore flexible array
member in struct and warn ABI change.
2009-03-29 Joseph Myers <>
* doc/invoke.texi, doc/standards.texi: Refer to
2009-03-28 Anatoly Sokolov <>
* config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
atmega8m1 devices.
* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
2009-03-28 Jakub Jelinek <>
* config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
following vector keyword has expansion starting with pixel or bool
keyword, expand vector to __vector and pixel or bool to __pixel or
PR c++/39554
* opts.c (warning_disallowed_functions, warn_disallowed_functions,
warn_if_disallowed_function_p): Removed.
(common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
* c-parser.c (c_parser_postfix_expression_after_primary): Don't call
* flags.h (warn_if_disallowed_function_p,
warn_disallowed_functions): Removed.
* common.opt (Wdisallowed-function-list=): Removed.
* doc/invoke.texi (-Wdisallowed-function-list=): Removed.
2009-03-27 Mark Mitchell <>
* DEV-PHASE: Mark "prerelease".
2009-03-27 Xinliang David Li <>
PR tree-optimization/39557
* tree-ssa.c (warn_uninitialized_vars): free postdom info.
2009-03-27 Xinliang David Li <>
PR tree-optimization/39548
* tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
candidate check.
2009-03-27 H.J. Lu <>
* c-common.c (pointer_int_sum): Use %wd on return from
2009-03-27 H.J. Lu <>
* c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
on return from tree_low_cst.
2009-03-27 Andrew Pinski <>
PR c++/36799
* ginclude/stdarg.h (va_copy): Define also for
2009-03-27 Manuel Lopez-Ibanez <>
PR c++/35652
* builtins.h (c_strlen): Do not warn here.
* c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
* c-common.c (pointer_int_sum): Take an explicit location.
Warn about offsets out of bounds.
* c-common.h (pointer_int_sum): Adjust declaration.
2009-03-26 Ralf Wildenhues <>
* doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
markup glitch.
2009-03-26 Jakub Jelinek <>
PR c++/39554
* opts.c (warn_if_disallowed_function_p): Don't assume
get_callee_fndecl must return non-NULL.
2009-03-26 Vladimir Makarov <>
PR rtl-optimization/39522
* reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
when reg_reloaded_valid is set.
2009-03-26 Ulrich Weigand <>
* config/spu/divv2df3.c: New file.
* config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
(DPBIT_FUNCS): Filter out _div_df.
2009-03-26 Bernd Schmidt <>
* config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
a jump insn, count that jump in the distance to the loop start.
2009-03-25 Kaz Kojima <>
PR target/39523
* config/sh/sh.c (calc_live_regs): Fix condition for global
registers except PIC_OFFSET_TABLE_REGNUM.
2009-03-25 Kai Tietz <>
* doc/invoke.texi (-mconsole): New.
(-mcygwin): New.
(-mno-cygwin): New.
(-mdll): New.
(-mnop-fun-dllimport): New.
(-mthread): New.
(-mwin32): New.
(-mwindows): New.
(sub section "i386 and x86-64 Windows Options"): New.
2009-03-25 Ralf Cors├ępius <>
* config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
* config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
2009-03-25 Richard Guenther <>
PR middle-end/39497
* (dfp.o-warn): Use -fno-strict-aliasing instead
of -Wno-error.
2009-03-25 Andrey Belevantsev <>
* config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
neither of haifa/selective schedulers are working.
2009-03-25 Ralf Wildenhues <>
* doc/invoke.texi (Debugging Options): Fix description of
2009-03-24 Hans-Peter Nilsson <>
* config/cris/libgcc.ver: New version-script.
* config/cris/t-linux (SHLIB_MAPFILES): Use it.
* <GAS features, nop mnemonic>: Add pattern
crisv32-*-* for "nop".
<GAS features, Thread-local storage>: Add item for CRIS and
CRIS v32.
* configure: Regenerate.
2009-03-24 Ira Rosen <>
PR tree-optimization/39529
* tree-vect-transform.c (vect_create_data_ref_ptr): Call
mark_sym_for_renaming for the tag copied to the new vector
2009-03-24 Arthur Loiret <>
* (alpha*-*-linux*): Use driver-alpha.o and
* config/alpha/linux.h (host_detect_local_cpu): Declare, add to
* config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
* doc/invoke.texi (DEC Alpha Options): Document 'native' value for
-march and -mtune options.
2009-03-24 Ralf Cors├ępius <>
* config/m68k/t-rtems: Add m5329 multilib.
2009-03-24 Dodji Seketeli <>
Jakub Jelinek <>
PR debug/39524
* dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
2009-03-23 Jakub Jelinek <>
PR c/39495
* c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
instead of c_parser_expression_conv, if original_code isn't one of the
4 allowed comparison codes, fail.
2009-03-23 Richard Guenther <>
* cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
* tree.h (struct tree_type): Likewise.
* reload.h (struct insn_chain): Likewise.
* dwarf2out.c (struct dw_loc_descr_struct): Likewise.
* function.h (struct function): Likewise.
* tree-ssa-structalias.c (struct equiv_class_label): Likewise.
2009-03-23 Jakub Jelinek <>
PR tree-optimization/39516
* lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
2009-03-23 Bingfeng Mei <>
* config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
should be set true if BITS_PER_WORD of target is bigger than 32
2009-03-22 Hans-Peter Nilsson <>
* config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
Translate -B-options to -rpath-link. Correct existing
rpath-link and conditionalize on !nostdlib.
2009-03-22 Ralf Wildenhues <>
* doc/extend.texi (Function Attributes, Variable Attributes):
Fix typos.
* doc/invoke.texi (Debugging Options, Optimize Options)
(i386 and x86-64 Options, MCore Options): Likewise.
2009-03-20 Jakub Jelinek <>
PR debug/37890
* dwarf2out.c (gen_namespace_die): Add context_die argument and use
it for block local namespace aliases.
(gen_decl_die): Pass context_die to gen_namespace_die.
2009-03-19 Jakub Jelinek <>
PR c/39495
* c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
minimum or maximum value.
2009-03-19 Alexandre Oliva <>
* reginfo.c (globalize_reg): Recompute derived reg sets.
2009-03-19 Ozkan Sezer <>
PR target/39063
* libgcc2.c (mprotect): Do not use signed arguments for
VirtualProtect, use DWORD arguments. Also fix the 'may
be used uninitialized' warning for the np variable.
2009-03-19 Jakub Jelinek <>
PR target/39496
* config/i386/i386.c (ix86_function_regparm): Don't optimize local
functions using regparm calling conventions when not optimizing.
(ix86_function_sseregparm): Similarly for sseregparm calling
2009-03-19 Li Feng <>
PR middle-end/39500
* tree-data-ref.c (analyze_subscript_affine_affine): There is no
dependence if the first conflict is after niter iterations.
2009-03-19 Hans-Peter Nilsson <>
PR middle-end/38609
* config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
functions with dynamic stack-pointer adjustments.
2009-03-19 Ben Elliston <>
* doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
option; change to -msdata=data.
2009-03-18 Ralf Wildenhues <>
* c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
and -fopenmp.
2009-03-18 Eric Botcazou <>
PR target/35180
* config/sparc/ (do_builtin_setjmp_setup): Prettify asm output.
2009-03-18 Sandra Loosemore <>
* doc/invoke.texi (Code Gen Options): Expand discussion of
2009-03-18 Jakub Jelinek <>
* dse.c (struct group_info): Reorder fields for 64-bit hosts.
* matrix-reorg.c (struct matrix_info): Likewise.
* tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
* rtl.h (struct mem_attrs): Likewise.
* df.h (struct df): Likewise.
* tree-data-ref.h (struct data_dependence_relation): Likewise.
* ira-int.h (struct ira_allocno): Likewise.
* df-scan.c (struct df_collection_rec): Likewise.
* ira.c (struct equivalence): Likewise.
* function.c (struct temp_slot): Likewise.
* cfgloop.h (struct loop): Likewise.
PR debug/39485
* function.c (use_register_for_decl): When not optimizing, disregard
register keyword for variables with types containing methods.
2009-03-18 Sebastian Pop <>
PR middle-end/39447
* graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
(is_simple_operand): Call contains_component_ref_p before calling data
reference analysis that would fail on COMPONENT_REFs.
* tree-vrp.c (search_for_addr_array): Fix formatting.
2009-03-18 Richard Guenther <>
* tree-vect-transform.c (vect_loop_versioning): Fold the
generated comparisons.
* tree-vectorizer.c (set_prologue_iterations): Likewise.
(slpeel_tree_peel_loop_to_edge): Likewise.
2009-03-17 Ralf Wildenhues <>
PR middle-end/37805
* opts.c (print_specific_help): In addition to `undocumented',
accept `separate' and `joined' flags if passed alone. Describe
output by the first matched one of those.
(common_handle_option): Skip over empty strings.
* gcc.c (display_help): Fix help string for `--help='.
* doc/invoke.texi (Option Summary, Overall Options): With
`--help=', classes and qualifiers can both be repeated, but
only the latter can be negated. One should not pass only
negated qualifiers. Fix markup and examples.
2008-10-14 Jakub Jelinek <>
PR middle-end/37805
* opts.c (common_handle_option): Don't ICE on -fhelp=joined
and -fhelp=separate.
2009-03-17 Jing Yu <>
PR middle-end/39378
* function.h (struct rtl_data): Move is_thunk from here...
(struct function): here.
* cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
* varasm.c (assemble_start_function): Change is_thunk from crtl to
* config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
(alpha_does_function_need_gp, alpha_start_function): Likewise.
(alpha_output_function_end_prologue): Likewise.
(alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
* config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
(rs6000_output_function_epilogue): Likewise.
* config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
2009-03-17 Uros Bizjak <>
PR target/39482
* config/i386/ (*truncdfsf_mixed): Avoid combining registers
from different units in a single alternative.
(*truncdfsf_i387): Ditto.
(*truncxfsf2_mixed): Ditto.
(*truncxfdf2_mixed): Ditto.
2009-03-17 Jakub Jelinek <>
* dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
PR debug/39474
* tree-ssa-live.c (remove_unused_locals): Don't remove local
unused non-artificial variables when not optimizing.
PR debug/39471
* dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
DW_TAG_imported_module even if decl is IMPORTED_DECL with
PR middle-end/39443
* optabs.c (set_user_assembler_libfunc): New function.
* expr.h (set_user_assembler_libfunc): New prototype.
* c-common.c: Include libfuncs.h.
(set_builtin_user_assembler_name): Call set_user_assembler_libfunc
for memcmp, memset, memcpy, memmove and abort.
* (c-common.o): Depend on libfuncs.h.
PR debug/39412
* dwarf2out.c (gen_inlined_enumeration_type_die,
gen_inlined_structure_type_die, gen_inlined_union_type_die,
gen_tagged_type_instantiation_die): Removed.
(gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
do nothing.
2009-03-17 Janis Johnson <>
PR testsuite/38526
* (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
its use.
(check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
(check-parallel-%): Ditto.
(check-consistency): Ditto.
2009-03-17 Kai Tietz <>
* ipa-struct-reorg.c (create_general_new_stmt): Initialize
local variable rhs by NULL_TREE.
2009-03-17 H.J. Lu <>
PR target/39477
* doc/extend.texi: Correct register behavior for regparm on Intel 386.
2009-03-17 H.J. Lu <>
PR target/39476
* config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
2009-03-17 H.J. Lu <>
PR target/39473
* config/i386/i386.c (ix86_expand_call): Check extra clobbers
for ms->sysv ABI calls only in 64bit mode.
* config/i386/ (untyped_call): Support 32bit.
2009-03-16 H.J. Lu <>
* doc/extend.texi: Replace x86_65 with x86_64.
2009-03-16 Jakub Jelinek <>
PR tree-optimization/39455
* tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
mismatches for POINTER_TYPE_P (type).
(number_of_iterations_le): Likewise.
2009-03-16 Hariharan Sandanagobalane <>
* config/picochip/picochip.c: Removed profiling support.
* config/picochip/ Removed profiling instruction.
* config/picochip/picochip.h: Removed profiling builtin.
2009-03-16 Joseph Myers <>
* doc/install.texi (--with-host-libstdcxx): Document.
2009-03-14 Anatoly Sokolov <>
PR target/34299
* config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
generate a warning if the function name does not begin with
"__vector" and the function has either the 'signal' or 'interrupt'
attribute, from here to ...
(avr_declare_function_name): New function.
* config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
* config/avr/avr-protos.h (avr_declare_function_name): Declare.
2009-03-14 Jakub Jelinek <>
PR bootstrap/39454
* cse.c (fold_rtx): Don't modify original const_arg1 when
canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
separate variable instead.
* rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
from out of range shift counts.
(num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
2008-03-13 Catherine Moore <>
* gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
diagnostic.h with $(DIAGNOSTIC_H).
2008-03-12 Jakub Jelinek <>
PR target/39431
* config/i386/ (cmpxchg8b_pic_memory_operand): New
* config/i386/ (sync_compare_and_swap<mode>,
sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
into a register.
sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
cmpxchg8b_pic_memory_operand instead of just memory_operand.
2009-03-12 H.J. Lu <>
PR target/39445
* config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
2009-03-12 H.J. Lu <>
PR target/39327
* config/i386/ (avx_addsubv8sf3): Correct item bits.
(avx_addsubv4df3): Likewise.
(*avx_addsubv4sf3): Likewise.
(sse3_addsubv4sf3): Likewise.
2009-03-12 H.J. Lu <>
PR target/38824
* config/i386/ Compare REGNO on the new peephole2 patterns.
2009-03-12 Vladimir Makarov <>
PR debug/39432
* ira-int.h (struct allocno): Fix comment for calls_crossed_num.
* ira-conflicts.c (ira_build_conflicts): Prohibit call used
registers for allocnos created from user-defined variables.
2009-03-11 Ulrich Weigand <>
PR target/39181
* config/spu/spu.c (spu_expand_mov): Handle invalid subregs
of non-integer mode as well.
2009-03-11 Adam Nemet <>
* gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
for functions for which the parameter types are unknown.
2009-03-11 Jakub Jelinek <>
PR target/39137
* cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
* defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
* config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
* config/i386/i386.c (ix86_local_alignment): For
-m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
long long variables on the stack to avoid dynamic realignment.
Allow the first argument to be a decl rather than type.
* doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2009-03-11 Nick Clifton <>
PR target/5362
* config/mcore/mcore.opt: Remove deprecated m4align and m8align
Add description to mno-lsim option.
* config/mcore/mcore.h: Remove comment about deprecated m4align
(TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
* doc/invoke.texi: Add description of mno-lsim and
mstack-increment options.
* config/fr30/fr30.opt: Document the -mno-lsim option.
* doc/invoke.texi: Add descriptions of the FR30's -msmall-model
and -mno-lsim options.
2009-03-11 Ulrich Weigand <>
* fold-const.c (fold_comparison): Only call fold_inf_compare
if the mode supports infinities.
2009-03-11 Jason Merrill <>
PR debug/39086
* tree-nrv.c (tree_nrv): Don't do this optimization if the front
end already did. Notice GIMPLE_CALL modifications of the result.
Don't copy debug information from an ignored decl or a decl from
another function.
2009-03-10 Richard Guenther <>
Nathan Froyd <>
PR middle-end/37850
* libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
(__divMODE3): Likewise.
2009-03-09 Jakub Jelinek <>
PR tree-optimization/39394
* gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
DECL_SIZE_UNIT of variable length FIELD_DECLs.
2009-03-09 Andreas Krebbel <>
* recog.c (verfiy_changes): Disallow renaming of hard regs in
inline asms for register asm ("") declarations.
2009-03-09 Eric Botcazou <>
* fold-const.c (fold_unary): Fix comment.
2009-03-07 Jan Hubicka <>
PR target/39361
* tree-inline.c (setup_one_parameter): Do replacement of const
argument by constant in SSA form.
2009-03-07 Ulrich Weigand <>
PR middle-end/38028
* function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
determine alignment passed to assign_stack_local.
(assign_parms_unsplit_complex): Likewise.
* except.c (sjlj_build_landing_pads): Likewise.
2009-03-06 Jakub Jelinek <>
PR middle-end/39360
* tree-flow.h (add_referenced_var): Return bool instead of void.
* tree-dfa.c (add_referenced_var): Return result of
referenced_var_check_and_insert call.
* tree-inline.c (expand_call_inline): Call add_referenced_var instead
of referenced_var_check_and_insert.
PR debug/39372
* dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
(gen_variable_die): Emit DW_AT_location on abstract static variable's
DIE, don't emit it if abstract origin already has it.
* tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
2009-03-06 Jan-Benedict Glaw <>
* genpreds.c: (needs_variable): Fix parentheses at variable name
(write_tm_constrs_h): Indent generated code.
2009-03-06 Ramana Radhakrishnan <>
* doc/extend.texi (Function Attributes): Add documentation
for isr attributes.
2009-03-06 Jakub Jelinek <>
PR debug/39387
* dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
take locus from its DECL_SOURCE_LOCATION instead of input_location.
2009-03-05 Bernd Schmidt <>
* config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
the loop as bad.
2009-03-05 Jakub Jelinek <>
PR debug/39379
* tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
with blocks containing IMPORTED_DECLs in BLOCK_VARS.
2009-03-05 Uros Bizjak <>
* config/i386/ (R8_REG, R9_REG): New constants.
* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
constants instead of magic numbers.
(QI_REG_P): Ditto.
* config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
(x86_64_ms_abi_int_parameter_registers): Ditto.
(x86_64_int_return_registers): Ditto.
(ix86_maybe_switch_abi): Ditto.
(ix86_expand_call): Ditto for clobbered_registers array.
(ix86_hard_regno_mode_ok): Ditto.
(x86_extended_QIreg_mentioned_p): Ditto.
2009-03-05 J"orn Rennecke <>
PR tree-optimization/39349
* cse.c (cse_insn): Fix loop to stop at VOIDmode.
* combine.c (gen_lowpart_for_combine): Use omode when generating
2009-03-04 J"orn Rennecke <>
PR rtl-optimization/39235
* loop-iv.c (get_simple_loop_desc): Use XCNEW.
2009-03-04 Zdenek Dvorak <>
* graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
2009-03-04 Richard Guenther <>
PR tree-optimization/39362
* tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
that occur in abnormal PHIs should be varying.
2009-03-04 Zdenek Dvorak <>
* tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
Extend comments.
(simple_iv): Take loop as an argument instead of statement.
* tree-scalar-evolution.h (simple_iv): Declaration changed.
* tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
to simple_iv.
* tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
* tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
* matrix-reorg.c (analyze_transpose): Ditto.
* tree-data-ref.c (dr_analyze_innermost): Ditto.
* tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
* tree-predcom.c (ref_at_iteration): Ditto.
* tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
2009-03-04 Richard Guenther <>
PR tree-optimization/39358
* tree-ssa-structalias.c (do_sd_constraint): Fix check for
escaped_id and callused_id.
(solve_graph): Likewise.
2009-03-04 Richard Guenther <>
PR tree-optimization/39339
* tree-sra.c (try_instantiate_multiple_fields): Make it
no longer ICE on the above.
2009-03-03 Joseph Myers <>
* emit-rtl.c (adjust_address_1): Reduce offset to a signed value
that fits within Pmode.
2009-03-03 Steve Ellcey <>
PR middle-end/10109
* tm.texi (LIBCALL_VALUE): Update description.
2009-03-03 Steve Ellcey <>
PR middle-end/34443
* doc/extend.texi (section): Update description.
2009-03-03 H.J. Lu <>
PR middle-end/39345
* tree-inline.c (remapped_type): New.
(can_be_nonlocal): Call remapped_type instead of remap_type.
2009-03-03 Jakub Jelinek <>
PR fortran/39354
* gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
2009-03-03 Richard Guenther <>
PR middle-end/39272
* tree.c (tree_nonartificial_location): New function.
* tree.h (tree_nonartificial_location): Declare.
* builtins.c (expand_builtin_memory_chk): Provide location
of the call location for artificial function pieces.
(maybe_emit_chk_warning): Likewise.
(maybe_emit_sprintf_chk_warning): Likewise.
(maybe_emit_free_warning): Likewise.
* expr.c (expand_expr_real_1): Likewise.
2009-03-03 Jakub Jelinek <>
PR tree-optimization/39343
* tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
2009-03-02 Sebastian Pop <>
PR middle-end/39335
* tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
when the type precision of the induction variable should be
larger than the type precision of nit.
(gen_parallel_loop): Update use of canonicalize_loop_ivs.
* graphite.c (graphite_loop_normal_form): Same.
* tree-flow.h (canonicalize_loop_ivs): Update declaration.
2009-03-02 Uros Bizjak <>
* config/i386/ (ST?_REG, MM?_REG): New constants.
(*call_1_rex64_ms_sysv): Use named constants instead of magic
numbers to describe clobbered registers.
(*call_value_0_rex64_ms_sysv): Ditto.
* config/i386/ (mmx_emms): Ditto.
(mmx_femms): Ditto.
2009-03-02 Richard Sandiford <>
* config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
of ABI_64.
2009-03-02 Ulrich Weigand <>
* config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
(spu_section_type_flags): New function.
2009-03-02 Uros Bizjak <>
* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
reg_class_contents of FLOAT_REGS into a temporary.
2009-03-02 Richard Guenther <>
Ira Rosen <>
PR tree-optimization/39318
* tree-vect-transform.c (vectorizable_call): Transfer the EH region
information to the vectorized statement.
2009-03-01 Uros Bizjak <>
* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
variable. Use defined names instead of magic constants for REX SSE
2009-03-01 Richard Guenther <>
PR tree-optimization/39331
* omp-low.c (lower_send_shared_vars): Do not receive new
values for the reference of DECL_BY_REFERENCE parms or results.
2009-03-01 Jan Hubicka <>
PR debug/39267
(tree_block): Add nonlocalized_vars.
* dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
gen_decl_die): Add origin argument. Allow generation of die with
origin at hand only.
(gen_member_die, gen_type_die_with_usage, force_decl_die,
declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
of gen_*.
(gen_block_die): Fix checking for unused blocks.
(process_scope_var): Break out from .... ; work with origins only.
(decls_for_scope) ... here; process nonlocalized list.
(dwarf2out_ignore_block): Look for nonlocalized vars.
* tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
(dump_scope_block): Dump them.
* tree-inline.c (remap_decls): Handle nonlocalized vars.
(remap_block): Likewise.
(can_be_nonlocal): New predicate.
(copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2009-03-01 Ralf Wildenhues <>
* configure: Regenerate.
2009-03-01 Ralf Wildenhues <>
* optc-gen.awk: No need to duplicate option flags twice.
Reuse help texts for duplicate options which do not have any.
* gcc.c (display_help): Document --version.
* gcc.c (main): If print_help_list and verbose_flag, ensure
driver output comes before subprocess output.
* optc-gen.awk: Assign all remaining fields to help string,
space-separated, for multi-line help in *.opt.
* doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
-Wno-pedantic-ms-format is for MinGW targets only.
* doc/options.texi (Option file format): Fix bad indentation,
restoring dropped sentence.
2009-02-28 Jan Hubicka <>
* tree-inline.c (tree_function_versioning): Output debug info.
2009-02-28 Jan Hubicka <>
PR debug/39267
* tree-inline.c (setup_one_parameter): Do not copy propagate
arguments when not optimizing.
2009-02-28 H.J. Lu <>
PR target/39327
* config/i386/ (avx_addsubv8sf3): Correct item bits.
(avx_addsubv4df3): Likewise.
(*avx_addsubv4sf3): Likewise.
(sse3_addsubv4sf3): Likewise.
(*avx_addsubv2df3): Likewise.
(sse3_addsubv2df3): Likewise.
(avx_unpckhps256): Correct item selectors.
(avx_unpcklps256): Likewise.
(avx_unpckhpd256): Likewise.
(avx_unpcklpd256): Likewise.
2009-02-28 Jan Hubicka <>
* tree-inline.c (expand_call_inline): Avoid duplicate declarations of
static vars.
(copy_arguments_for_versioning): If var is declared don't declare it.
(tree_function_versioning): First setup substitutions and then copy
2009-02-27 Jan Hubicka <>
PR debug/39267
* cgraph.h (varpool_output_debug_info): Remove.
* cgraphunit.c (varpool_output_debug_info): Remove.
* dwarf2out.c (deferred_locations_struct): New struct
(deferred_locations): New type.
(deferred_locations_list): New static var.
(deffer_location): New function.
(gen_variable_die): Use it.
(decls_for_scope): Output info on local static vars.
(dwarf2out_finish): Process deferred locations.
* varpool.c (varpool_output_debug_info): Remove.
2009-02-27 Jan Hubicka <>
PR debug/39267
* tree.h (TREE_PROTECTED): Fix comment.
(struct tree_block): Remove handler_block add body_block.
(inlined_function_outer_scope_p): New.
(is_body_block): Remove.
* dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
* dwarf2out.c (is_inlined_entry_point): Remove.
(add_high_low_attributes): Use inlined_function_outer_scope_p.
(gen_block_die): Use is_inlined_entry_point check. Remove body block
* langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
* gimplify.c (gimplify_expr): Gimplify body blocks.
* tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
block with multiple subblocks.
(dump_scope_block): Prettier output; dump more flags and info.
(dump_scope_blocks): New.
(remove_unused_locals): Use dump_scope_blocks.
* tree-flow.h (dump_scope_blocks): Declare.
* tree-cfg.c (execute_build_cfg): Dump scope blocks.
* stmt.c (is_body_block): Remove.
* tree-inline.c (remap_block): Copy BODY_BLOCK info.
* langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2009-02-27 Sebastian Pop <>
PR middle-end/39308
* graphite.c (graphite_loop_normal_form): Do not call
number_of_iterations_exit from a gcc_assert.
2009-02-27 Andreas Krebbel <>
* gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
jumps if COND is NULL.
(find_cond_jump): New function.
(s390_z10_optimize_cmp): Handling for reg-reg compares added.
* gcc/config/s390/ Remove z10_cobra attribute value.
2009-02-26 Uros Bizjak <>
* config/alpha/alpha.h (alpha_expand_mov): Return false if
force_const_mem returns NULL_RTX.
2009-02-26 Jan Hubicka <>
PR debug/39267
* cgraph.h (varpool_output_debug_info): Remove.
* cgraphunit.c (varpool_output_debug_info): Remove.
* dwarf2out.c (deferred_locations_struct): New struct
(deferred_locations): New type.
(deferred_locations_list): New static var.
(deffer_location): New function.
(gen_variable_die): Use it.
(decls_for_scope): Output info on local static vars.
(dwarf2out_finish): Process deferred locations.
* varpool.c (varpool_output_debug_info): Remove.
2009-02-25 H.J. Lu <>
PR rtl-optimization/39241
* jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
to subreg_offset_representable_p.
2009-02-25 Paolo Bonzini <>
* regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
execute function prototype. Get f and nregs from max_reg_num
and get_insns. Remove the first backward pass as it's dead,
guard the forward pass by flag_expensive_optimizations.
(rest_of_handle_regmove): Delete.
(pass_regmove): Replace it with regmove_optimize.
2009-02-25 Martin Jambor <>
PR tree-optimization/39259
* tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
calls_alloca function flags.
(copy_bb): Set calls_setjmp and alls_alloca function flags if such
calls are detected.
2009-02-25 Paolo Bonzini <>
* regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
flags_set_1_rtx, flags_set_1_set): Delete.
(regmove_optimize): Do not call mark_flags_life_zones.
2009-02-24 Julian Brown <>
PR target/35965
* config/arm/arm.c (require_pic_register): Only set
cfun->machine->pic_reg once per function.
2009-02-24 Sandra Loosemore <>
* doc/invoke.texi (Link Options): Document an easier way to pass
options that take arguments to the GNU linker using -Xlinker and -Wl.
2009-02-24 Steve Ellcey <>
PR target/33785
* doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2009-02-24 Richard Guenther <>
PR debug/39285
* dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2009-02-24 Richard Guenther <>
Zdenek Dvorak <>
PR tree-optimization/39233
* tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
from converting them to a generic type.
2009-02-23 Sebastian Pop <>
PR tree-optimization/39260
* graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
contains a condition with a real type.
(build_scop_conditions_1): Conditions are always last_stmt of a bb.
2009-02-23 Jason Merrill <>
PR c++/38880
* varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
(narrowing_initializer_constant_valid_p): Don't return
null_pointer_node for adding a pointer to itself.
2009-02-23 Jan Hubicka <>
PR c/12245
* ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
2009-02-23 Jan Hubicka <>
PR tree-optimization/37709
* tree.c (block_ultimate_origin): Move here from dwarf2out.
* tree.h (block_ultimate_origin): Declare.
* dwarf2out.c (block_ultimate_origin): Move to tree.c
* tree-ssa-live.c (remove_unused_scope_block_p):
Eliminate blocks containig no instructions nor live variables nor
nested blocks.
(dump_scope_block): New function.
(remove_unused_locals): Enable removal of dead blocks by default;
enable dumping at TDF_DETAILS.
2009-02-21 H.J. Lu <>
* config/i386/i386.c (classify_argument): Don't allow COImode
and OImode.
(function_arg_advance_32): Don't allow OImode.
(function_arg_32): Likewise.
(function_value_32): Likewise.
(return_in_memory_32): Likewise.
(function_arg_64): Remove OImode comment.
2009-02-21 H.J. Lu <>
PR target/39261
* config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
ix86_expand_vector_set for V4DImode in 64bit mode only.
(ix86_expand_vector_init_one_var): Likewise.
2009-02-21 Sebastian Pop <>
* graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2009-02-21 Richard Sandiford <>
PR bootstrap/39257
* loop-iv.c: Revert last change.
* emit-rtl.c: Likewise.
2009-02-21 H.J. Lu <>
PR target/39256
* config/i386/i386.c (type_natural_mode): Remove an extra
space in the warning message.
(function_value_32): Handle 32-byte vector modes.
(return_in_memory_32): Likewise.
2009-02-21 Richard Sandiford <>
* loop-iv.c (truncate_value): New function.
(iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
of lowpart_subreg.
(lowpart_subreg): Move to...
* emit-rtl.c:
2009-02-21 Danny Smith <>
* config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
accidental and undocumented change at revision 140860.
2009-02-21 Joseph Myers <>
* config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
take gimple_seq * arguments.
(arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
types_compatible_p langhook.
2009-02-20 Mark Mitchell <>
Joseph Myers <>
* config/arm/arm.c (arm_builtin_va_list): New function.
(arm_expand_builtin_va_start): Likewise.
(arm_gimplify_va_arg_expr): Likewise.
(va_list_type): New variable.
(arm_mangle_type): Mangle va_list_type appropriately.
2009-02-20 Jakub Jelinek <>
PR middle-end/39157
* (loop-invariant.o): Depend on $(PARAMS_H).
* params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
* params.def (loop-invariant-max-bbs-in-loop): New parameter.
* opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
parameter to 1000 for -O1 by default.
* doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
* loop-invariant.c: Include params.h.
(move_loop_invariants): Don't call move_single_loop_invariants on
very large loops.
2009-02-20 Jaka Mocnik <>
* calls.c (emit_library_call_value_1): Use slot_offset instead of
offset when calculating bounds for indexing stack_usage_map. Fixes
a buffer overflow with certain target setups.
2009-02-20 Jakub Jelinek <>
PR target/39240
* calls.c (expand_call): Clear try_tail_call if caller and callee
disagree in promotion of function return value.
2009-02-19 Jakub Jelinek <>
PR target/39175
* c-common.c (c_determine_visibility): If visibility changed and
DECL_RTL has been already set, call make_decl_rtl to update symbol
2009-02-19 H.J. Lu <>
PR c++/39188
* varasm.c (assemble_variable): Don't check DECL_NAME when
globalizing a variable.
2009-02-19 Joseph Myers <>
PR c/38483
* builtins.c (gimplify_va_arg_expr): Evaluate the va_list
expression before any __builtin_trap call.
* c-typeck.c (build_function_call): Convert and check function
arguments before generating a call to a trap. Evaluate the
function arguments before the trap.
2009-02-19 Uros Bizjak <>
PR target/39228
* config/i386/ (isinfxf2): Split from isinf<mode>2.
(UNSPEC_FXAM_MEM): New unspec.
(fxam<mode>2_i387_with_temp): New insn and split pattern.
(isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
memory using fxam<mode>2_i387_with_temp to remove excess precision.
2009-02-19 Richard Guenther <>
PR tree-optimization/39207
PR tree-optimization/39074
* tree-ssa-structalias.c (storedanything_id, var_storedanything,
storedanything_tree): New.
(do_ds_constraint): Simplify ANYTHING shortcutting. Update
the STOREDANYTHING solution if the lhs solution contains ANYTHING.
(build_succ_graph): Add edges from STOREDANYTHING to all
non-direct nodes.
(init_base_vars): Initialize STOREDANYTHING.
(compute_points_to_sets): Free substitution info after
building the succ graph.
(ipa_pta_execute): Likewise.
* tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
(do_ds_constraint): Do not add to special var or non-pointer
field solutions.
(type_could_have_pointers): Split out from ...
(could_have_pointers): ... here. For arrays use the element type.
(create_variable_info_for): Initialize may_have_pointers.
(new_var_info): Likewise.
(handle_lhs_call): Make the HEAP variable unknown-sized.
(intra_create_variable_infos): Use a type with pointers for
PARM_NOALIAS, make it unknown-sized.
2009-02-18 H.J. Lu <>
PR target/39224
* config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2009-02-18 Jason Merrill <>
PR target/39179
* tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
* tree-sra.c (sra_walk_gimple_assign): Likewise.
* target.h (gcc_target::binds_local_p): Clarify "module".
* tree.h (TREE_PUBLIC): Clarify "module".
2009-02-17 Xuepeng Guo <>
PR target/38891
* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2009-02-17 H.J. Lu <>
PR target/39082
* c.opt (Wabi): Support C and ObjC.
(Wpsabi): New.
* c-opts.c (c_common_handle_option): Handle OPT_Wabi.
* config/i386/i386.c (classify_argument): Warn once about the ABI
change when passing union with long double.
* doc/invoke.texi: Update -Wabi for warning psABI changes.
2009-02-18 Joseph Myers <>
PR c/35447
* c-parser.c (c_parser_compound_statement): Always enter and leave
a scope.
2009-02-17 John David Anglin <>
PR target/34587
* config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2009-02-18 Jakub Jelinek <>
PR tree-optimization/36922
* tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
* tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
2009-02-17 Richard Sandiford <>
* config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
to 0 for EABI64.
2009-02-17 Richard Sandiford <>
* config/mips/ (type): Reclassify lui_movf as "unknown".
2009-02-17 Richard Sandiford <>
* config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
tree sharing.
2009-02-17 Ruan Beihong <>
Richard Sandiford <>
* config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
* config/mips/ (reduc_uplus_<mode>): Rename to...
(loongson_biadd): ...this.
2009-02-17 Richard Guenther <>
PR tree-optimization/39202
* tree-ssa-structalias.c (do_structure_copy): Before collapsing
a var make sure to follow existing collapses.
2009-02-17 Richard Guenther <>
PR middle-end/39214
* langhooks.c (lhd_print_error_function): Check for NULL block.
2009-02-17 Richard Guenther <>
PR tree-optimization/39204
* tree-ssa-pre.c (phi_translate_1): Lookup the value-number
of the PHI arg.
2009-02-17 Uros Bizjak <>
* config/soft-fp/double.h: Update from glibc CVS.
2009-02-17 Richard Guenther <>
PR tree-optimization/39207
* tree-ssa-structalias.c (find_what_p_points_to): Do not emit
strict-aliasing warnings for pointers pointing to NULL.
2009-02-16 Joseph Myers <>
PR c/35446
* c-parser.c (c_parser_braced_init): Call pop_init_level when
skipping until next close brace.
2009-02-16 H.J. Lu <>
PR target/37049
* config/i386/i386.c (ix86_expand_push): Set memory alignment
to function argument boundary.
2009-02-16 Hariharan Sandanagobalane <>
* config/picochip/ (lea_add): Allow any nonimmediate
in the lea_add. Reload eventually constraints it properly.
* config/picochip/ : Remove the target constraint
"b", since it is not needed anymore.
2009-02-16 Jakub Jelinek <>
* gthr-dce.h: Uglify function parameter and local variable names.
* gthr-gnat.h: Likewise.
* gthr-mipssde.h: Likewise.
* gthr-nks.h: Likewise.
* gthr-posix95.h: Likewise.
* gthr-posix.h: Likewise.
* gthr-rtems.h: Likewise.
* gthr-single.h: Likewise.
* gthr-solaris.h: Likewise.
* gthr-tpf.h: Likewise.
* gthr-vxworks.h: Likewise.
* gthr-win32.h: Likewise.
2009-02-15 H.J. Lu <>
PR target/39196
* config/i386/ Restrict the new peephole2 to move
between MMX/SSE registers.
2009-02-15 Richard Guenther <>
2009-02-13 Richard Guenther <>
* Enable LFS.
* configure: Re-generate.
* Likewise.
2009-02-13 Ulrich Weigand <>
* config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
spu_srqwbyte, spu_srqwbytebc): Define.
* config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
* config/spu/ ("shrqbybi_<mode>", "shrqbi_<mode>",
"shrqby_<mode>"): New insn-and-split patterns.
* config/spu/spu.c (expand_builtin_args): Determine and return
number of operands using spu_builtin_description data.
(spu_expand_builtin_1): Use it.
2009-02-13 Steve Ellcey <>
PR target/38056
* config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
2009-02-13 H.J. Lu <>
PR target/39149
* config/i386/i386.c (override_options): Correct warning
messages for -malign-loops, -malign-jumps and -malign-functions.
2009-02-13 H.J. Lu <>
PR target/39152
* config/i386/ Restrict the new peephole2 to move
between the general purpose registers.
2009-02-13 H.J. Lu <>
PR target/39162
* config/i386/i386.c (type_natural_mode): Add a new argument.
Return the original mode and warn ABI change if vector size is 32byte.
(function_arg_advance): Updated.
(function_arg): Likewise.
(ix86_function_value): Likewise.
(ix86_return_in_memory): Likewise.
(ix86_sol10_return_in_memory): Likewise.
(ix86_gimplify_va_arg): Likewise.
(function_arg_32): Don't warn ABX ABI change here.
(function_arg_64): Likewise.
2009-02-13 Bernd Schmidt <>
* loop-iv.c (implies_p): In the final case, test that operands 0
of the two comparisons match.
* config/bfin/bfin.c (find_prev_insn_start): New function.
(bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
(find_next_insn_start): Move.
2009-02-13 Richard Guenther <>
* Enable LFS.
* configure: Re-generate.
* Likewise.
2009-02-13 Joseph Myers <>
PR c/35444
* c-parser.c (c_parser_parms_list_declarator): Discard pending
sizes on syntax error after some arguments have been parsed.
2009-02-12 Jakub Jelinek <>
* doc/invoke.texi (-fira): Remove.
2009-02-12 H.J. Lu <>
* caller-save.c: Replace regclass.c with reginfo.c in comments.
* recog.c: Likewise.
* rtl.h: Likewise.
2009-02-12 Uros Bizjak <>
* longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
(umul_ppmm): Likewise.
(count_leading_zeros): Likewise.
(count_trailing_zeros): Likewise.
(UMUL_TIME): Likewise.
2009-02-12 H.J. Lu <>
* config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
soft-fp/t-softfp to tmake_file.
* config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
(ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
(ia64_init_builtins): Initialize __builtin_infq,
__builtin_fabsq and __builtin_copysignq if not HPUX.
(ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
* config/ia64/lib1funcs.asm (__divtf3): Define only if
SHARED is defined.
(__fixtfti): Likewise.
(__fixunstfti): Likewise.
(__floattitf): Likewise.
* config/ia64/libgcc-glibc.ver: New.
* config/ia64/t-fprules-softfp: Likewise.
* config/ia64/sfp-machine.h: Likewise.
* config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
(LIBGCC2_TF_CEXT): Likewise.
(TF_SIZE): Likewise.
* config/ia64/t-glibc (SHLINB_MAPFILES):
Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2009-02-12 H.J. Lu <>
* config/i386/i386.c (construct_container): Rewrite processing
BLKmode with X86_64_SSE_CLASS.
2009-02-12 Paolo Bonzini <>
PR target/39152
* config/i386/ Replace simplify_replace_rtx with
replace_rtx in the new peephole2.
2009-02-12 Nathan Sidwell <>
* doc/invoke.texi (Optimize Options): Stop claiming inlining and
loop unrolling do not happen at -O2.
2009-02-12 Michael Matz <>
* gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2009-02-12 Jakub Jelinek <>
* dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
for -g3.
2009-02-12 Ben Elliston <>
* config/rs6000/ (allocate_stack): Use _stack form of
patterns when updating the back chain. Missed in the 2009-02-10
2009-02-11 Janis Johnson <>
* doc/extend.texi (Decimal Floating Types): Update identifier of
draft TR and list of missing support.
2009-02-11 Jakub Jelinek <>
PR middle-end/39154
* gimplify.c (omp_notice_variable): If adding GOVD_SEEN
bit to variable length decl's flags, add it also to its
pointer replacement variable.
2009-02-11 Uros Bizjak <>
Jakub Jelinek <>
PR target/39118
* config/i386/ (UNSPEC_MEMORY_BLOCKAGE): New constant.
(memory_blockage): New expander.
(*memory_blockage): New insn pattern.
* config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
instead of general blockage at the end of function prologue when
frame pointer is used to access red zone area. Do not emit blockage
when profiling, it is emitted in generic code.
(ix86_expand_epilogue): Emit memory_blockage at the beginning of
function epilogue when frame pointer is used to access red zone area.
2009-02-11 Paolo Bonzini <>
PR target/38824
* config/i386/ Add two new peephole2 to avoid mov followed
by arithmetic with memory operands.
* config/i386/ (commutative_operator): New.
2009-02-10 Janis Johnson <>
* doc/extend.texi (Fixed-Point Types): Break long paragraphs into
bulleted lists.
2009-02-10 Eric Botcazou <>
* alias.h (record_alias_subset): Declare.
* alias.c (record_alias_subset): Make global.
2009-02-10 Nick Clifton <>
* tree-parloops.c: Change license to GPLv3.
* ipa-struct-reorg.c: Change license to GPLv3.
* ipa-struct-reorg.h: Change license to GPLv3.
2009-02-10 Steve Ellcey <>
PR c/39084
* c-decl.c (start_struct): Return NULL on error.
2009-02-10 Jakub Jelinek <>
PR middle-end/39124
* cfgloopmanip.c (remove_path): Call remove_bbs after
cancel_loop_tree, not before it.
PR target/39139
* function.h (struct function): Add has_local_explicit_reg_vars bit.
* gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
VAR_DECLs were seen.
* tree-ssa-live.c (remove_unused_locals): Recompute
* tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
copies or clearings if cfun->has_local_explicit_reg_vars.
2009-02-10 Uros Bizjak <>
PR target/39118
* config/i386/i386.c (expand_prologue): Emit blockage at the end
of function prologue when frame pointer is used to access
red zone area.
2009-02-10 Richard Guenther <>
PR middle-end/39127
* gimplify.c (gimple_regimplify_operands): Always look if
we need to create a temporary.
2009-02-10 Richard Guenther <>
PR tree-optimization/39132
* tree-loop-distribution.c (todo): New global var.
(generate_memset_zero): Trigger TODO_rebuild_alias.
(tree_loop_distribution): Return todo.
2009-02-10 H.J. Lu <>
PR target/39119
* config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
(x86_64_reg_class_name): Removed.
(classify_argument): Return 0 if bytes > 32. Return 0 if the
first one isn't X86_64_SSE_CLASS or any other ones aren't
X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
and 3 X86_64_SSEUP_CLASS.
(construct_container): Remove X86_64_AVX_CLASS. Handle 4
registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2009-02-10 Ben Elliston <>
* config/rs6000/ (allocate_stack): Always use an update
form instruction to update the stack back chain word, even if the
user has disabled the generation of update instructions.
(movdi_<mode>_update_stack): New.
(movsi_update_stack): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
always use an update form instruction to update the stack back
chain word.
2009-02-09 Sebastian Pop <>
PR middle-end/38953
* graphite.c (if_region_set_false_region): After moving a region in
the false branch of a condition, remove the empty dummy basic block.
(gloog): Remove wrong fix for PR38953.
2009-02-09 Ulrich Weigand <>
* config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
generation due to implicit sign extension.
2009-02-09 Eric Botcazou <>
PR middle-end/38981
* tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2009-02-09 Richard Guenther <>
PR middle-end/35202
* convert.c (convert_to_real): Disable (float)fn((double)x)
to fnf(x) conversion if errno differences may occur and
-fmath-errno is set.
2009-02-07 Anatoly Sokolov <>
* config/avr/avr.c (avr_mcu_t): Add ata6289 device.
* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2009-02-06 Joseph Myers <>
PR c/35434
* c-common.c (handle_alias_attribute): Disallow attribute for
anything not a FUNCTION_DECL or VAR_DECL.
2009-02-06 Janis Johnson <>
PR c/39035
* real.c (do_compare): Special-case compare of zero against
decimal float value.
2009-02-06 Joseph Myers <>
PR c/36432
* c-decl.c (grokdeclarator): Don't treat [] declarators in fields
as indicating flexible array members unless the field itself is
being declarared as the incomplete array.
2009-02-06 Jan Hubicka <>
PR tree-optimization/38844
* ipa-inline.c (try_inline): Stop inlining recursion when edge
is already inlined.
2009-02-06 Richard Guenther <>
PR middle-end/38977
* tree-cfg.c (need_fake_edge_p): Force a fake edge for
fork because we may expand it as __gcov_fork.
2009-02-06 Nick Clifton <>
* config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2009-02-06 Paolo Bonzini <>
PR tree-optimization/35659
* tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
vn_phi_eq): Shortcut if hashcode does not match.
(vn_reference_op_compute_hash): Do not call iterative_hash_expr for
NULL operands.
* tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
and avoid iterative_hash_expr.
(value_id_compare): Remove.
(sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
sort expressions by value id.
2009-02-05 Kaz Kojima <>
PR target/38991
* config/sh/ (general_movsrc_operand): Don't check
the subreg of system registers here.
2009-02-05 Jakub Jelinek <>
PR c++/39106
* cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
on the copied decl.
2009-02-05 Paolo Bonzini <>
PR rtl-optimization/39110
* rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
addresses, not aligned ones.
2009-02-05 Daniel Berlin <>
Richard Guenther <>
PR tree-optimization/39100
* tree-ssa-structalias.c (do_ds_constraint): Actually do what the
comment says and add edges.
2009-02-05 Joseph Myers <>
PR c/35435
* c-common.c (handle_tls_model_attribute): Ignore attribute for
non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2009-02-04 Tobias Grosser <>
* graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
register_bb_in_sese, new_sese, free_sese): Moved.
(dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
outermost_loop_in_scop, build_scop_iteration_domain,
expand_scalar_variables_ssa_name, get_vdef_before_scop,
limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
Use loop_in_sese_p instead of loop_in_scop_p.
(new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
(new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
(scopdet_basic_block_info): Fix bug in scop detection.
(new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
eq_loop_to_cloog_loop): Remove.
(nb_loops_around_loop_in_scop, nb_loop
ref_nb_loops): Moved here...
* graphite.h (ref_nb_loops): ... from here.
(struct scop): Remove bbs_b bitmap and loop2cloog_loop.
(loop_domain_dim, loop_iteration_vector_dim): Remove.
(SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
* testsuite/gcc.dg/graphite/scop-19.c: New
2009-02-04 Paolo Bonzini <>
Hans-Peter Nilsson <>
PR rtl-optimization/37889
* rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
Move offset handling from PLUS to before the switch. Use new
arguments when considering SYMBOL_REFs too.
(rtx_addr_can_trap_p): Pass dummy offset and size.
(enum may_trap_p_flags): Remove.
(may_trap_p_1): Pass size from MEM_SIZE.
PR rtl-optimization/38921
* loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
* rtl.h (may_trap_after_code_motion_p): Delete prototype.
* rtlanal.c (may_trap_after_code_motion_p): Delete.
(may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2009-02-04 H.J. Lu <>
AVX Programming Reference (January, 2009)
* config/i386/ (*vpclmulqdq): New.
2009-02-04 Jakub Jelinek <>
PR tree-optimization/38977
PR gcov-profile/38292
* calls.c (special_function_p): Disregard __builtin_ prefix.
2009-02-04 Hariharan Sandanagobalane <>
* config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
non-indexable addresses even before reload.
2009-02-03 Joseph Myers <>
PR c/29129
* c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
as having variable size. Do not give an error for unnamed
parameters with [*] declarators. Give a warning for type names
with [*] declarators and mark them as variable size.
* c-parser.c (c_parser_sizeof_expression): Do not give an error
for sizeof applied to [*] type names.
2009-02-03 Andrew Pinski <>
PR C++/36607
* convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2009-02-03 Jakub Jelinek <>
* gcc.c (process_command): Update copyright notice dates.
* gcov.c (print_version): Likewise.
* gcov-dump.c (print_version): Likewise.
* mips-tfile.c (main): Likewise.
* mips-tdump.c (main): Likewise.
2009-02-03 Joseph Myers <>
PR c/35433
* c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
for composite type involving a zero-length array type.
2009-02-03 Jakub Jelinek <>
PR target/35318
* function.c (match_asm_constraints_1): Skip over
initial optional % in the constraint.
PR inline-asm/39059
* c-parser.c (c_parser_postfix_expression): If fixed point is not
supported, don't accept FIXED_CSTs.
* c-decl.c (finish_declspecs): Error if fixed point is not supported
and _Sat is used without _Fract/_Accum. Set specs->type to
integer_type_node for cts_fract/cts_accum if fixed point is not
2009-02-02 Catherine Moore <>
* sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2009-02-02 Richard Sandiford <>
* config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
(DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2009-02-02 Paul Brook <>
* config/arm/ (arm_addsi3): Add r/r/k alternative.
2009-02-02 Jakub Jelinek <>
PR inline-asm/39058
* recog.h (asm_operand_ok): Add constraints argument.
* recog.c (asm_operand_ok): Likewise. If it is set, for digits
recurse on matching constraint.
(check_asm_operands): Pass constraints as 3rd argument to
asm_operand_ok. Don't look up matching constraint here.
* stmt.c (expand_asm_operands): Pass NULL as 3rd argument
to asm_operand_ok.
2009-02-02 Ben Elliston <>
* doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2009-01-31 John David Anglin <>
* doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
information. Remove some obsolete information. Reorganize.
* config/pa/fptr.c: Revert license to GPL 2.
* config/pa/milli64.S: Likewise.
2009-01-31 Dave Korn <>
PR target/38904
* mkmap-flat.awk (END): Use pe_dll command-line arg to pass
LIBRARY name in, instead of hard-coding it.
* config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
extra target make frag to tmake_files according to EH model.
(i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
* config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
frags that define makefile variable EH_MODEL appropriately.
* config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
* config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
to "-sjlj" according to type of EH configured.
(LIBGCC_SONAME): Concatenate it to shared library base name.
* config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
to "_sjlj" according to type of EH configured.
(LIBGCC_SONAME): Concatenate it to shared library base name.
* config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
(SHLIB_LINK): Add missing semicolon to if-else construct.
(SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
string value of "pe_dll" command-line option.
* config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
(SHLIB_SONAME): Use it when overriding t-cygming default.
(SHLIB_IMPLIB): Override t-cygming default.
(SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
string value of "pe_dll" command-line option.
2009-01-31 Dave Korn <>
PR target/38952
* config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
(TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2009-01-31 Richard Guenther <>
PR tree-optimization/38937
* tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
computing the transitive closure.
2009-01-30 Richard Guenther <>
PR tree-optimization/39041
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
Propagate variable indices only if the types match for this stmt.
2009-01-30 Jakub Jelinek <>
PR target/39013
* c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
inline but never defined.
2009-01-30 Wolfgang Gellerich <>
* config/s390/ (*insv<mode>_reg_extimm): Removed.
(*insv_h_di_reg_extimm): New insn.
(*insv_l<mode>_reg_extimm): New insn.
2009-01-30 Hariharan Sandanagobalane <>
* config/picochip/picochip.c (flag_conserve_stack): set
fconserve-stack. Reduce call-overhead used by inliner.
2009-01-30 Hariharan Sandanagobalane <>
* common.opt (flag_conserve_stack): Initialised to zero.
2009-01-30 Kai Tietz <>
* config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
(ix86_expand_epilogue): Take nsseregs in account to use proper restore
2009-01-29 H.J. Lu <>
* ira-color.c (allocno_reload_assign): Update comments.
* regmove.c (regmove_optimize): Likewise.
* ra.h: Removed.
2009-01-29 Robert Millan <>
* gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
* gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
* gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2009-01-29 Kazu Hirata <>
PR tree-optimization/39007
* tree-loop-distribution.c (generate_builtin): Use
recompute_dominator to compute the immediate dominator of the
basic block just after the loop.
2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
* config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2009-01-29 Vladimir Makarov <>
* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
* doc/passes.texi: Remove entries about regclass, local-alloc, and
global. Modify entries about regmove and IRA.
* ra-conflict.c: Remove the file.
* reload.c (push_reload, find_dummy_reload): Remove flag_ira.
* tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
(pass_regclass_init): Rename to pass_reginfo_init.
* cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
* toplev.h (flag_ira): Remove.
* caller-save.c (setup_save_areas): Remove flag_ira.
* ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
* global.c: Remove the file.
* opts.c: (decode_options): Remove flag_ira.
* hard-reg-set.h (losing_caller_save_reg_set): Remove.
* regmove.c: Modify file description.
(find_use_as_address, try_auto_increment): Define them only if
AUTO_INC_DEC is defined.
(replacement_quality, replace_in_call_usage, fixup_match_1,
stable_and_no_regs_but_for_p): Remove.
(reg_set_in_bb): Make it static.
(regmove_optimize): Remove flag_ira and code which worked for
* local-alloc.c: Remove the file.
* common.opt (fira): Remove.
* ira.c: Include except.h.
(eliminable_regset): Move from global.c.
(mark_elimination): Ditto. Remove flag_ira.
(reg_renumber, struct equivalence, reg_equiv, equiv_mem,
equiv_mem_modified, validate_equiv_mem_from_store,
validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
contains_replace_regs, memref_referenced_p, memref_used_between_p,
no_equiv, recorded_label_ref): Move from local-alloc.c.
(update_equiv_regs): Ditto. Make it static.
(print_insn_chain, print_insn_chains): Move it from global.c.
(pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
(build_insn_chain): Ditto. Make it static.
(ra_init_live_subregs): Move from ra-conflict.c. Make it static.
Rename to init_live_subregs.
(gate_ira): Remove flag_ira.
* regclass.c: Rename reginfo.c. Change file description.
(reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
(init_reg_sets_1): Remove code for evaluation of
reg_class_superclasses and losing_caller_save_reg_set.
(init_regs): Remove init_reg_autoinc.
(struct costs, costs, init_cost, ok_for_index_p_nonstrict,
ok_for_base_p_nonstrict): Remove.
(regclass_init): Rename to reginfo_init. Don't initialize init_cost.
(pass_regclass_init): Rename to pass_reginfo_init. Modify
corresponding entries.
(dump_regclass, record_operand_costs, scan_one_insn,
init_reg_autoinc, regclass, record_reg_classes, copy_cost,
record_address_regs, auto_inc_dec_reg_p): Remove.
(gt-regclass.h): Rename to gt-reginfo.h.
* rtl.h (dump_global_regs, retry_global_alloc,
build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
* (RA_H): Remove.
(OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
Rename regclass.o to reginfo.o.
(regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
(global.o, local-alloc.o, ra-conflict.o): Remove entries.
(GTFILES): Rename regclass.c to reginfo.c.
* passes.c (init_optimization_passes): Remove pass_local_alloc and
pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
Remove flag_ira.
(finish_spills): Ditto. Remove code for !flag_ira.
2009-01-29 Kenneth Zadeck <>
PR middle-end/35854
* doc/invoke.texi (rtl debug options): Complete rewrite.
* auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
to auto_inc_dec".
* mode-switching.c (pass_mode_switching): Rename pass from
"mode-sw" to "mode_sw".
* except.c (pass_convert_to_eh_ranges): Rename pass from
"eh-ranges" to "eh_ranges".
* lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
to "subreg1".
2009-01-29 Andrey Belevantsev <>
Alexander Monakov <>
PR middle-end/38857
* sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
(move_exprs_to_boundary): Change return type and pass through
should_move from move_op. Relax assert. Update usage ...
(schedule_expr_on_boundary): ... here. Use should_move instead of
(move_op_orig_expr_found): Indicate that insn was disconnected from
(code_motion_process_successors): Do not call after_merge_succs
callback if original expression was not found when traversing any of
the branches.
(code_motion_path_driver): Change return type. Update prototype.
(move_op): Update comment. Add a new parameter (should_move). Update
prototype. Set *should_move based on indication provided by
2009-01-28 Pat Haugen <>
* doc/invoke.texi (avoid-indexed-addresses): Document new option.
* config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
* config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
* config/rs6000/rs6000.c (rs6000_override_options): Default
avoid-indexed-addresses on for Power6, off for everything else.
(avoiding_indexed_address_p): New function.
(rs6000_legitimize_address): Use it.
(rs6000_legitimate_address): Likewise.
* config/rs6000/ (movXX_updateX): Likewise
2009-01-28 Kazu Hirata <>
PR tree-optimization/38997
* tree-loop-distribution.c (generate_memset_zero): Use
POINTER_PLUS_EXPR for a pointer addition.
2009-01-28 Andreas Krebbel <>
* config/s390/ (bswap<mode>2): New pattern added.
2009-01-28 Wolfgang Gellerich <>
* config/s390/ (*tls_load_31): Added type attribute.
2009-01-28 Wolfgang Gellerich <>
* config/s390/ Fix a few comments.
2009-01-28 Wolfgang Gellerich <>
* config/s390/ (*tmsi_reg): Fixed z10prop attribute.
(*tm<mode>_full): Fixed z10prop attribute.
(*tst<mode>_extimm): Fixed z10prop attribute.
(*tst<mode>_cconly_extimm): Fixed z10prop attribute.
(*tstqiCCT_cconly): Fixed z10prop attribute.
(*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
(*movsi_larl): Fixed z10prop attribute.
(*movsi_zarch): Fixed z10prop attribute.
(*movsi_eas): Fixed z10prop attribute.
(*movhi): Fixed z10prop attribute.
(*movqi): Fixed z10prop attribute.
(*movstrictqi): Fixed z10prop attribute.
(*mov<mode>): Fixed z10prop attribute.
(*movcc): Fixed z10prop attribute.
(*sethighpartdi_64): Fixed z10prop attribute.
(*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
(*negdi2_sign_cc): Fixed z10prop attribute.
(*negdi2_sign): Fixed z10prop attribute.
(*absdi2_sign_cc): Fixed z10prop attribute.
(*absdi2_sign): Fixed z10prop attribute.
(*negabsdi2_sign_cc): Fixed z10prop attribute.
(*negabsdi2_sign): Fixed z10prop attribute.
(*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
(*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
(doloop_si64): Fixed z10prop attribute.
(doloop_si31): Fixed z10prop attribute.
(doloop_long): Fixed z10prop attribute.
(indirect_jump): Fixed z10prop attribute.
(nop): Fixed z10prop attribute.
(main_base_64): Fixed z10prop attribute.
(reload_base_64): Fixed z10prop attribute.
2009-01-28 Jakub Jelinek <>
PR rtl-optimization/38740
* reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
if !optimize.
* config/mips/mips.c (mips_reorg): Likewise.
2009-01-28 Richard Guenther <>
PR tree-optimization/38926
* tree-ssa-pre.c (add_to_value): Assert we add only expressions
with the correct value id to a value.
(do_regular_insertion): Use the value number of edoubleprime
for the value number of the expr.
2008-08-21 Richard Guenther <>
* tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
a PHI ask VN if it is already available.
* tree-ssa-sccvn.h (vn_phi_lookup): Declare.
* tree-ssa-sccvn.c (vn_phi_lookup): Export.
2009-01-28 Jakub Jelinek <>
PR middle-end/38934
* tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
set to varying whenever max has TREE_OVERFLOW set, similarly
2009-01-28 Richard Guenther <>
PR middle-end/38908
* tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
uninitialized aggregate uses in call arguments.
2009-01-28 Paolo Bonzini <>
PR tree-optimization/38984
* tree-ssa-structalias.c (get_constraints_for_1): Do not use
the nothing_id variable if -fno-delete-null-pointer-checks.
2009-01-28 Uros Bizjak <>
PR target/38988
* config/i386/ (set_rip_rex64): Wrap operand 1 in label_ref.
(set_got_offset_rex64): Ditto.
2009-01-27 H.J. Lu <>
PR target/38941
* doc/extend.texi: Improve local variable with asm reg.
2009-01-27 Adam Nemet <>
* c.opt (Wpacked-bitfield-compat): Change init value to -1.
* c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
was not supplied then set warn_packed_bitfield_compat to the
default value of 1.
* stor-layout.c (place_field): Check warn_packed_bitfield_compat
against 1.
2009-01-27 Richard Guenther <>
PR tree-optimization/38503
* cfgexpand.c (expand_gimple_basic_block): Ignore
* tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
variables that cannot have TBAA applied.
(compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2009-01-27 Uros Bizjak <>
PR middle-end/38969
* calls.c (initialize_argument_information): Do not wrap complex
arguments in SAVE_EXPR.
2009-01-26 Andreas Tobler <>
* config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
(INSTALL_LIBGCC): Revert typo commit.
2009-01-26 Richard Guenther <>
PR tree-optimization/38745
* tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
from special handling.
2009-01-26 Richard Guenther <>
PR tree-optimization/38745
* tree-ssa.c (execute_update_addresses_taken): Do not include
variables that cannot possibly be a register in not_reg_needs.
Do not clear TREE_ADDRESSABLE on vars that may not become
* tree-ssa.c (update_alias_info_1): Include those in the set
of addressable vars.
2009-01-26 Richard Guenther <>
PR middle-end/38851
* (tree-ssa-dse.o): Add langhooks.h.
* tree-ssa-dse.c: Include langhooks.h
(execute_simple_dse): Remove stores with zero size.
2009-01-24 Jakub Jelinek <>
PR c/38957
* c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2009-01-24 Julian Brown <>
* config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
* config/arm/linux-atomic.c: New.
2009-01-24 Eric Botcazou <>
* config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
* config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
* config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2009-01-24 H.J. Lu <>
PR c/38938
* c-opts.c (c_common_handle_option): Update warn_pointer_sign
2009-01-24 Sebastian Pop <>
PR tree-optimization/38953
* graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
(scop_adjust_phis_for_liveouts): Initialize false_i to zero.
(gloog): Split the exit of the scop when the scop exit is a loop exit.
(graphite_transform_loops): Only call cleanup_tree_cfg if gloog
changed the CFG.
2009-01-24 Paul Brook <>
* config/arm/ (neon_type): Move to
(neon_mov<VSTRUCT>): Add neon_type attribute.
* config/arm/ (neon_type): Move to here.
(conds): Add "unconditioal" and use as default for NEON insns.
2009-01-24 Ben Elliston <>
* bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
void *' warning from -Wc++-compat.
* (dominance.o-warn): Remove.
2009-01-23 Paolo Bonzini <>
PR tree-optimization/38932
* fold-const.c (fold_unary_ignore_overflow): New.
* tree.h (fold_unary_ignore_overflow): Declare.
* tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
* tree-ssa-sccvn.c (visit_reference_op_load,
simplify_unary_expression): Likewise.
2009-01-22 Adam Nemet <>
* c-decl.c (finish_struct): Move code to set DECL_PACKED after
DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
regardless of their type.
* c-common.c (handle_packed_attribute): Don't ignore packed on
* c.opt (Wpacked-bitfield-compat): New warning option.
* stor-layout.c (place_field): Warn if offset of a field changed.
* doc/extend.texi (packed): Mention the ABI change.
* doc/invoke.texi (-Wpacked-bitfield-compat): Document.
(Warning Options): Add it to the list.
2009-01-22 H.J. Lu <>
* c-opts.c (c_common_post_options): Fix a typo in comments.
2009-01-22 Steve Ellcey <>
PR middle-end/38615
* gimplify.c (gimplify_init_constructor): Fix promotion of const
variables to static.
* doc/invoke.texi (-fmerge-all-constants): Update description.
2009-01-22 Uros Bizjak <>
PR target/38931
* config/i386/ (*movsi_1): Use type "mmx" for alternative 2.
(*movdi_1_rex64): Use type "mmx" for alternative 5.
2009-01-22 Richard Earnshaw <>
* arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
a word boundary.
2009-01-22 Mark Shinwell <>
Joseph Myers <>
* config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
* config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
* config/arm/ Regenerate.
* doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2009-01-22 Mark Shinwell <>
* config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
version number to five.
2009-01-22 Dodji Seketeli <>
PR c++/38930
* c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
* c-common.c (set_underlying_type): Likewise.
(is_typedef_decl ): Likewise
* tree.h: Likewise
(set_underlying_type): Likewise.
(is_typedef_type): Likewise.
2009-01-21 Vladimir Makarov <>
PR middle-end/38587
* ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
crossing setjmps.
2009-01-21 Dave Korn <>
PR bootstrap/37660
* config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
(LIBGCC_SPEC): Don't define.
2009-01-21 Uros Bizjak <>
PR rtl-optimization/38879
* alias.c (base_alias_check): Unaligned access via AND address can
alias all surrounding object types except those with sizes equal
or wider than the size of unaligned access.
2009-01-21 Dodji Seketeli <>
PR c++/26693
* c-decl.c: (clone_underlying_type): Move this ...
* c-common.c (set_underlying_type): ... here.
Also, make sure the function properly sets TYPE_STUB_DECL() on
the newly created typedef variant type.
(is_typedef_decl ): New entry point.
* tree.h: Added a new member member_types_needing_access_check to
struct tree_decl_non_common.
(set_underlying_type): New entry point.
(is_typedef_type): Likewise.
2009-01-21 Bingfeng Mei <>
* alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
Check whether two instructions have memory references that
belong to conflicting alias sets. walk_mems_1 and walk_mems_2
are helper functions for traversing.
* alias.h (insn_alias_sets_confilict_p): New prototypes.
* ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
not to draw dependency edge for instructions with non-conflicting
alias sets.
2009-01-20 Joseph Myers <>
PR other/38758
* longlong.h: Update copyright years. Use soft-fp license notice.
Sync __clz_tab declaration with glibc.
2009-01-20 Steve Ellcey <>
PR target/30687
* doc/extend.texi (syscall_linkage): New.
(version_id): Modify.
2009-01-20 Andrew Pinski <>
Richard Guenther <>
PR tree-optimization/38747
PR tree-optimization/38748
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
conversion if the base address is an indirect reference and the
aliasing sets could cause issues.
2009-01-20 Sebastian Pop <>
* common.opt (fgraphite, fgraphite-identity): Add comment for
explaining why these options are not documented.
2009-01-20 Sebastian Pop <>
* graphite.c (stmt_simple_for_scop_p): Also handle cases when
gimple_call_lhs is NULL.
2009-01-20 Paolo Bonzini <>
PR target/38868
* emit-rtl.c (adjust_address_1): Make sure memref is never
2009-01-20 Ben Elliston <>
* libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
const qualifier from arg parameter. Remove unnecessary cast to char *.
* gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
const qualifier from arg 2.
2009-01-19 Iain Sandoe <>
* config/darwin.h: Add static-libgfortran to LINK_SPEC.
2009-01-19 Vladimir Makarov <>
PR c/38869
* rtl.h (reinit_regs): New prototype.
* regclass.c: Include ira.h.
(reinit_regs): New.
* (regclass.o): Add ira.h.
* config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2009-01-18 H.J. Lu <>
PR target/38736
* c-common.c (handle_aligned_attribute): Use
default alignment value.
* c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
* defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
* config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
* doc/extend.texi: Update __attribute__ ((aligned)). Document
* doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2009-01-18 Richard Guenther <>
PR tree-optimization/38819
* tree-flow.h (operation_could_trap_helper_p): Declare.
* tree-eh.c (operation_could_trap_helper_p): Export.
* tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
* tree-ssa-sccvn.c (vn_nary_may_trap): New function.
* tree-ssa-pre.c (insert_into_preds_of_block): Check if we
are about to insert a possibly trapping instruction and fail
in this case.
2009-01-18 Andreas Schwab <>
* doc/install.texi (Configuration): Remove obsolete paragraph
about use of --with-gnu-ld with --with-gnu-as.
2009-01-18 Kazu Hirata <>
* doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
Follow spelling conventions.
2009-01-18 Ben Elliston <>
* bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
C++ warning about implicit conversion from void * to struct
bitmap_head_def *.
(bitmap_obstack_free): Likewise for bitmap_element *.
* (bitmap.o-warn): Remove.
2009-01-17 Dave Korn <>
* (BACKENDLIBS): Reorder to match dependencies.
2009-01-17 Sebastian Pop <>
Tobias Grosser <>
* graphite.c (graphite_trans_scop_block): Do not block single
nested loops.
2009-01-16 Alexandre Oliva <>
* ebitmap.h (ebitmap_iter_init): Initialize all fields.
* ipa-struct-reorg.c (gen_struct_type): Replace known-true
test with assertion.
2009-01-16 Richard Guenther <>
PR tree-optimization/38835
PR middle-end/36227
* fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
and INT + PTR -> (INT)(PTR p+ INT) folding.
* tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2009-01-16 Adam Nemet <>
PR target/38554
* expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
the subreg from a lowpart subreg if it is also casting the value.
2009-01-16 Sebastian Pop <>
Tobias Grosser <>
* graphite.c (compare_prefix_loops): New.
(build_scop_canonical_schedules): Rewritten.
(graphite_transform_loops): Move build_scop_canonical_schedules
after build_scop_iteration_domain.
2009-01-16 Sebastian Pop <>
Tobias Grosser <>
* graphite.c (add_conditions_to_domain): Add the loops to
the dimension of the iteration domain. Do copy the domain
only when it exists.
(build_scop_conditions_1): Do not call add_conditions_to_domain.
(add_conditions_to_constraints): New.
(can_generate_code_stmt, can_generate_code): Removed.
(gloog): Do not call can_generate_code.
(graphite_transform_loops): Call add_conditions_to_constraints
after building the iteration domain.
2009-01-16 Jakub Jelinek <>
PR tree-optimization/38789
* tree-ssa-threadedge.c
(record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2009-01-16 Kenneth Zadeck <>
* dce.c (delete_unmarked_insns): Reversed the order that insns are
examined before deleting them.
2009-01-16 Richard Earnshaw <>
* function.c (aggregate_value_p): Correctly extract the function
type from CALL_EXPR_FN lookup.
2009-01-16 Hariharan Sandanagobalane <>
* config/picochip/picochip.c (picochip_override_options): Revert
CFI asm flag disable commited previously.
2009-01-15 Sebastian Pop <>
Tobias Grosser <>
Jan Sjodin <>
* graphite.c (scan_tree_for_params): On substractions negate
all the coefficients of the term.
(clast_to_gcc_expression_red): New. Handle reduction expressions
of more than two operands.
(clast_to_gcc_expression): Call clast_to_gcc_expression_red.
(get_vdef_before_scop): Handle also the case of default definitions.
2009-01-15 Richard Sandiford <>
* caller-save.c (add_used_regs_1, add_used_regs): New functions.
(insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
Also use them when walking CALL_INSN_FUNCTION_USAGE.
2009-01-15 H.J. Lu <>
Joey Ye <>
PR middle-end/37843
* cfgexpand.c (expand_stack_alignment): Don't update stack
boundary nor check incoming stack boundary here.
(gimple_expand_cfg): Update stack boundary and check incoming
stack boundary here.
2009-01-15 Kenneth Zadeck <>
* dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2009-01-14 Jakub Jelinek <>
PR rtl-optimization/38245
* calls.c (expand_call): Add stack arguments to
CALL_INSN_FUNCTION_USAGE even for pure calls (when
ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
in regs and partially in memory or BLKmode arguments.
(emit_library_call_value_1): Add stack arguments to
CALL_INSN_FUNCTION_USAGE even for pure calls (when
* dce.c: Include tm_p.h.
(find_call_stack_args): New function.
(deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
(mark_insn): Call find_call_stack_args for CALL_Ps.
(prescan_insns_for_dce): Walk insns backwards in bb rather than
forwards. Allocate and free arg_stores bitmap if needed, pass it
down to deletable_insn_p, don't mark stores set in arg_stores
bitmap, clear the bitmap at the beginning of each bb.
* (dce.o): Depend on $(TM_P_H).
2009-01-14 Michael Meissner <>
PR target/22599
* config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
to make sure the insn is a conditional test (bug 22599). Reformat a
few long lines.
2009-01-14 Sebastian Pop <>
PR middle-end/38431
* graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
(scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
(gloog): Do not call cleanup_tree_cfg.
(graphite_transform_loops): Call cleanup_tree_cfg after all
scops have been code generated.
2009-01-14 Basile Starynkevitch <>
* doc/gty.texi (Invoking the garbage collector): Added new node
and section documenting ggc_collect.
2009-01-14 Richard Guenther <>
PR tree-optimization/38826
PR middle-end/38477
* tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
initialization notes only if we actually emitted a warning.
(intra_create_variable_infos): Add constraints for a result decl
that is passed by hidden reference.
(build_pred_graph): Mark all related variables non-direct on
2009-01-14 Nick Clifton <>
* ira-conflicts.c: Include addresses.h for the definition of
(ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
* Add a dependency of ira-conflicts.o on addresses.h.
2009-01-13 Vladimir Makarov <>
PR target/38811
* (ira-lives.o): Add except.h.
* ira-lives.c: Include except.h.
(process_bb_node_lives): Process can_throw_internal.
2009-01-13 Jakub Jelinek <>
PR rtl-optimization/38774
* combine.c (simplify_set): When undoing cc_use change, don't do
PUT_CODE on the newly created comparison, but instead put back the
old comparison.
2009-01-13 Joseph Myers <>
* doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
values. Remove duplicate arm8 entry.
2009-01-13 Sebastian Pop <>
PR tree-optimization/38786
* graphite.c (expand_scalar_variables_ssa_name): New, outlined from
the SSA_NAME case of expand_scalar_variables_expr.
Set the type of an expression to the type of its assign statement.
(expand_scalar_variables_expr): Also gather the scalar computation
used to index the memory access. Do not pass loop_p.
Fix comment. Stop recursion on tcc_constant or tcc_declaration.