| /* Definitions of target machine for GNU compiler, |
| for IBM RS/6000 POWER running AIX V6.1. |
| Copyright (C) 2002-2020 Free Software Foundation, Inc. |
| Contributed by David Edelsohn (edelsohn@gnu.org). |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it |
| under the terms of the GNU General Public License as published |
| by the Free Software Foundation; either version 3, or (at your |
| option) any later version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to |
| get control in TARGET_OPTION_OVERRIDE. */ |
| |
| #define SUBTARGET_OVERRIDE_OPTIONS \ |
| do { \ |
| if (TARGET_64BIT && ! TARGET_POWERPC64) \ |
| { \ |
| rs6000_isa_flags |= OPTION_MASK_POWERPC64; \ |
| warning (0, "%<-maix64%> requires PowerPC64 architecture remain enabled"); \ |
| } \ |
| if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128) \ |
| { \ |
| rs6000_long_double_type_size = 64; \ |
| if (global_options_set.x_rs6000_long_double_type_size) \ |
| warning (0, "soft-float and long-double-128 are incompatible"); \ |
| } \ |
| if (TARGET_POWERPC64 && ! TARGET_64BIT) \ |
| { \ |
| error ("%<-maix64%> required: 64-bit computation with 32-bit addressing not yet supported"); \ |
| } \ |
| if ((rs6000_isa_flags_explicit \ |
| & OPTION_MASK_MINIMAL_TOC) != 0) \ |
| { \ |
| if (global_options_set.x_rs6000_current_cmodel \ |
| && rs6000_current_cmodel != CMODEL_SMALL) \ |
| error ("%<-mcmodel%> incompatible with other toc options"); \ |
| SET_CMODEL (CMODEL_SMALL); \ |
| } \ |
| if (rs6000_current_cmodel != CMODEL_SMALL) \ |
| { \ |
| TARGET_NO_FP_IN_TOC = 1; \ |
| TARGET_NO_SUM_IN_TOC = 1; \ |
| } \ |
| if (rs6000_current_cmodel == CMODEL_MEDIUM) \ |
| { \ |
| rs6000_current_cmodel = CMODEL_LARGE; \ |
| } \ |
| } while (0) |
| |
| #undef ASM_SPEC |
| #define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)" |
| |
| /* Common ASM definitions used by ASM_SPEC amongst the various targets for |
| handling -mcpu=xxx switches. There is a parallel list in driver-rs6000.c to |
| provide the default assembler options if the user uses -mcpu=native, so if |
| you make changes here, make them there also. */ |
| #undef ASM_CPU_SPEC |
| #define ASM_CPU_SPEC \ |
| "%{!mcpu*: %{!maix64: \ |
| %{mpowerpc64: -mppc64} \ |
| %{maltivec: -m970} \ |
| %{!maltivec: %{!mpowerpc64: %(asm_default)}}}} \ |
| %{mcpu=native: %(asm_cpu_native)} \ |
| %{mcpu=power3: -m620} \ |
| %{mcpu=power4: -mpwr4} \ |
| %{mcpu=power5: -mpwr5} \ |
| %{mcpu=power5+: -mpwr5x} \ |
| %{mcpu=power6: -mpwr6} \ |
| %{mcpu=power6x: -mpwr6} \ |
| %{mcpu=power7: -mpwr7} \ |
| %{mcpu=power8: -mpwr8} \ |
| %{mcpu=power9: -mpwr9} \ |
| %{mcpu=powerpc: -mppc} \ |
| %{mcpu=rs64a: -mppc} \ |
| %{mcpu=603: -m603} \ |
| %{mcpu=603e: -m603} \ |
| %{mcpu=604: -m604} \ |
| %{mcpu=604e: -m604} \ |
| %{mcpu=620: -m620} \ |
| %{mcpu=630: -m620} \ |
| %{mcpu=970: -m970} \ |
| %{mcpu=G5: -m970} \ |
| %{mvsx: %{!mcpu*: -mpwr6}} \ |
| -many" |
| |
| #undef ASM_DEFAULT_SPEC |
| #define ASM_DEFAULT_SPEC "-mpwr4" |
| |
| #undef TARGET_OS_CPP_BUILTINS |
| #define TARGET_OS_CPP_BUILTINS() \ |
| do \ |
| { \ |
| builtin_define ("_AIX43"); \ |
| builtin_define ("_AIX51"); \ |
| builtin_define ("_AIX52"); \ |
| builtin_define ("_AIX53"); \ |
| builtin_define ("_AIX61"); \ |
| TARGET_OS_AIX_CPP_BUILTINS (); \ |
| } \ |
| while (0) |
| |
| #undef CPP_SPEC |
| #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ |
| %{ansi: -D_ANSI_C_SOURCE} \ |
| %{maix64: -D__64BIT__} \ |
| %{mpe: -I%R/usr/lpp/ppe.poe/include} \ |
| %{pthread: -D_THREAD_SAFE}" |
| |
| /* The GNU C++ standard library requires that these macros be |
| defined. Synchronize with libstdc++ os_defines.h. */ |
| #undef CPLUSPLUS_CPP_SPEC |
| #define CPLUSPLUS_CPP_SPEC \ |
| "-D_ALL_SOURCE -D__COMPATMATH__ \ |
| %{maix64: -D__64BIT__} \ |
| %{mpe: -I%R/usr/lpp/ppe.poe/include} \ |
| %{pthread: -D_THREAD_SAFE}" |
| |
| #undef TARGET_DEFAULT |
| #define TARGET_DEFAULT (MASK_PPC_GPOPT | MASK_PPC_GFXOPT | MASK_MFCRF) |
| |
| #undef PROCESSOR_DEFAULT |
| #define PROCESSOR_DEFAULT PROCESSOR_POWER7 |
| #undef PROCESSOR_DEFAULT64 |
| #define PROCESSOR_DEFAULT64 PROCESSOR_POWER7 |
| |
| /* AIX 6.1 kernel and assembler have necessary support for Altivec and VSX. */ |
| #undef OS_MISSING_ALTIVEC |
| |
| /* Define this macro as a C expression for the initializer of an |
| array of string to tell the driver program which options are |
| defaults for this target and thus do not need to be handled |
| specially when using `MULTILIB_OPTIONS'. |
| |
| Do not define this macro if `MULTILIB_OPTIONS' is not defined in |
| the target makefile fragment or if none of the options listed in |
| `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ |
| |
| #undef MULTILIB_DEFAULTS |
| |
| #undef LIB_SPEC |
| #define LIB_SPEC "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\ |
| %{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\ |
| %{!maix64:%{!shared:%{g*:-lg}}}\ |
| %{fprofile-arcs|fprofile-generate*|coverage:-lpthreads}\ |
| %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ |
| %{mlong-double-128:-lc128}\ |
| %{pthread:-lpthreads} -lc" |
| |
| #undef LINK_SPEC |
| #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro}\ |
| %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ |
| %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ |
| %{mpe:-binitfini:poe_remote_main}" |
| |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC "%{!shared:\ |
| %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\ |
| %{!maix64:\ |
| %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\ |
| %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}\ |
| %{shared:crtcxa_s%O%s;:crtcxa%O%s} crtdbase%O%s" |
| |
| /* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */ |
| |
| #undef PTRDIFF_TYPE |
| #define PTRDIFF_TYPE "long int" |
| |
| /* Type used for wchar_t, as a string used in a declaration. */ |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int") |
| |
| /* Width of wchar_t in bits. */ |
| #undef WCHAR_TYPE_SIZE |
| #define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32) |
| |
| /* AIX 4.2 and above provides initialization and finalization function |
| support from linker command line. */ |
| #undef HAS_INIT_SECTION |
| #define HAS_INIT_SECTION |
| |
| #undef LD_INIT_SWITCH |
| #define LD_INIT_SWITCH "-binitfini" |
| |
| #ifndef _AIX52 |
| extern long long int atoll(const char *); |
| #endif |
| |
| /* This target uses the aix64.opt file. */ |
| #define TARGET_USES_AIX64_OPT 1 |
| |
| /* Large TOC Support */ |
| #ifdef HAVE_LD_LARGE_TOC |
| #undef TARGET_CMODEL |
| #define TARGET_CMODEL rs6000_current_cmodel |
| #define SET_CMODEL(opt) rs6000_current_cmodel = opt |
| #else |
| #define SET_CMODEL(opt) do {} while (0) |
| #endif |
| |
| /* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION, |
| but does not have crtbegin/end. */ |
| |
| #define TARGET_AIX_VERSION 61 |