| /* Copyright (C) 2009-2015 Free Software Foundation, Inc. |
| Contributed by Anatoly Sokolov (aesok@post.ru) |
| |
| 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/>. */ |
| |
| /* Not included in avr.c since this requires C front end. */ |
| |
| #include "config.h" |
| #include "system.h" |
| #include "coretypes.h" |
| #include "tm.h" |
| #include "tm_p.h" |
| #include "cpplib.h" |
| #include "hash-set.h" |
| #include "machmode.h" |
| #include "vec.h" |
| #include "double-int.h" |
| #include "input.h" |
| #include "alias.h" |
| #include "symtab.h" |
| #include "wide-int.h" |
| #include "inchash.h" |
| #include "tree.h" |
| #include "stor-layout.h" |
| #include "target.h" |
| #include "c-family/c-common.h" |
| #include "langhooks.h" |
| |
| |
| /* IDs for all the AVR builtins. */ |
| |
| enum avr_builtin_id |
| { |
| #define DEF_BUILTIN(NAME, N_ARGS, TYPE, CODE, LIBNAME) \ |
| AVR_BUILTIN_ ## NAME, |
| #include "builtins.def" |
| #undef DEF_BUILTIN |
| |
| AVR_BUILTIN_COUNT |
| }; |
| |
| |
| /* Implement `TARGET_RESOLVE_OVERLOADED_PLUGIN'. */ |
| |
| static tree |
| avr_resolve_overloaded_builtin (unsigned int iloc, tree fndecl, void *vargs) |
| { |
| tree type0, type1, fold = NULL_TREE; |
| enum avr_builtin_id id = AVR_BUILTIN_COUNT; |
| location_t loc = (location_t) iloc; |
| vec<tree, va_gc> &args = * (vec<tree, va_gc>*) vargs; |
| |
| switch (DECL_FUNCTION_CODE (fndecl)) |
| { |
| default: |
| break; |
| |
| case AVR_BUILTIN_ABSFX: |
| if (args.length() != 1) |
| { |
| error_at (loc, "%qs expects 1 argument but %d given", |
| "absfx", (int) args.length()); |
| |
| fold = error_mark_node; |
| break; |
| } |
| |
| type0 = TREE_TYPE (args[0]); |
| |
| if (!FIXED_POINT_TYPE_P (type0)) |
| { |
| error_at (loc, "%qs expects a fixed-point value as argument", |
| "absfx"); |
| |
| fold = error_mark_node; |
| } |
| |
| switch (TYPE_MODE (type0)) |
| { |
| case QQmode: id = AVR_BUILTIN_ABSHR; break; |
| case HQmode: id = AVR_BUILTIN_ABSR; break; |
| case SQmode: id = AVR_BUILTIN_ABSLR; break; |
| case DQmode: id = AVR_BUILTIN_ABSLLR; break; |
| |
| case HAmode: id = AVR_BUILTIN_ABSHK; break; |
| case SAmode: id = AVR_BUILTIN_ABSK; break; |
| case DAmode: id = AVR_BUILTIN_ABSLK; break; |
| case TAmode: id = AVR_BUILTIN_ABSLLK; break; |
| |
| case UQQmode: |
| case UHQmode: |
| case USQmode: |
| case UDQmode: |
| case UHAmode: |
| case USAmode: |
| case UDAmode: |
| case UTAmode: |
| warning_at (loc, 0, "using %qs with unsigned type has no effect", |
| "absfx"); |
| return args[0]; |
| |
| default: |
| error_at (loc, "no matching fixed-point overload found for %qs", |
| "absfx"); |
| |
| fold = error_mark_node; |
| break; |
| } |
| |
| fold = targetm.builtin_decl (id, true); |
| |
| if (fold != error_mark_node) |
| fold = build_function_call_vec (loc, vNULL, fold, &args, NULL); |
| |
| break; // absfx |
| |
| case AVR_BUILTIN_ROUNDFX: |
| if (args.length() != 2) |
| { |
| error_at (loc, "%qs expects 2 arguments but %d given", |
| "roundfx", (int) args.length()); |
| |
| fold = error_mark_node; |
| break; |
| } |
| |
| type0 = TREE_TYPE (args[0]); |
| type1 = TREE_TYPE (args[1]); |
| |
| if (!FIXED_POINT_TYPE_P (type0)) |
| { |
| error_at (loc, "%qs expects a fixed-point value as first argument", |
| "roundfx"); |
| |
| fold = error_mark_node; |
| } |
| |
| if (!INTEGRAL_TYPE_P (type1)) |
| { |
| error_at (loc, "%qs expects an integer value as second argument", |
| "roundfx"); |
| |
| fold = error_mark_node; |
| } |
| |
| switch (TYPE_MODE (type0)) |
| { |
| case QQmode: id = AVR_BUILTIN_ROUNDHR; break; |
| case HQmode: id = AVR_BUILTIN_ROUNDR; break; |
| case SQmode: id = AVR_BUILTIN_ROUNDLR; break; |
| case DQmode: id = AVR_BUILTIN_ROUNDLLR; break; |
| |
| case UQQmode: id = AVR_BUILTIN_ROUNDUHR; break; |
| case UHQmode: id = AVR_BUILTIN_ROUNDUR; break; |
| case USQmode: id = AVR_BUILTIN_ROUNDULR; break; |
| case UDQmode: id = AVR_BUILTIN_ROUNDULLR; break; |
| |
| case HAmode: id = AVR_BUILTIN_ROUNDHK; break; |
| case SAmode: id = AVR_BUILTIN_ROUNDK; break; |
| case DAmode: id = AVR_BUILTIN_ROUNDLK; break; |
| case TAmode: id = AVR_BUILTIN_ROUNDLLK; break; |
| |
| case UHAmode: id = AVR_BUILTIN_ROUNDUHK; break; |
| case USAmode: id = AVR_BUILTIN_ROUNDUK; break; |
| case UDAmode: id = AVR_BUILTIN_ROUNDULK; break; |
| case UTAmode: id = AVR_BUILTIN_ROUNDULLK; break; |
| |
| default: |
| error_at (loc, "no matching fixed-point overload found for %qs", |
| "roundfx"); |
| |
| fold = error_mark_node; |
| break; |
| } |
| |
| fold = targetm.builtin_decl (id, true); |
| |
| if (fold != error_mark_node) |
| fold = build_function_call_vec (loc, vNULL, fold, &args, NULL); |
| |
| break; // roundfx |
| |
| case AVR_BUILTIN_COUNTLSFX: |
| if (args.length() != 1) |
| { |
| error_at (loc, "%qs expects 1 argument but %d given", |
| "countlsfx", (int) args.length()); |
| |
| fold = error_mark_node; |
| break; |
| } |
| |
| type0 = TREE_TYPE (args[0]); |
| |
| if (!FIXED_POINT_TYPE_P (type0)) |
| { |
| error_at (loc, "%qs expects a fixed-point value as first argument", |
| "countlsfx"); |
| |
| fold = error_mark_node; |
| } |
| |
| switch (TYPE_MODE (type0)) |
| { |
| case QQmode: id = AVR_BUILTIN_COUNTLSHR; break; |
| case HQmode: id = AVR_BUILTIN_COUNTLSR; break; |
| case SQmode: id = AVR_BUILTIN_COUNTLSLR; break; |
| case DQmode: id = AVR_BUILTIN_COUNTLSLLR; break; |
| |
| case UQQmode: id = AVR_BUILTIN_COUNTLSUHR; break; |
| case UHQmode: id = AVR_BUILTIN_COUNTLSUR; break; |
| case USQmode: id = AVR_BUILTIN_COUNTLSULR; break; |
| case UDQmode: id = AVR_BUILTIN_COUNTLSULLR; break; |
| |
| case HAmode: id = AVR_BUILTIN_COUNTLSHK; break; |
| case SAmode: id = AVR_BUILTIN_COUNTLSK; break; |
| case DAmode: id = AVR_BUILTIN_COUNTLSLK; break; |
| case TAmode: id = AVR_BUILTIN_COUNTLSLLK; break; |
| |
| case UHAmode: id = AVR_BUILTIN_COUNTLSUHK; break; |
| case USAmode: id = AVR_BUILTIN_COUNTLSUK; break; |
| case UDAmode: id = AVR_BUILTIN_COUNTLSULK; break; |
| case UTAmode: id = AVR_BUILTIN_COUNTLSULLK; break; |
| |
| default: |
| error_at (loc, "no matching fixed-point overload found for %qs", |
| "countlsfx"); |
| |
| fold = error_mark_node; |
| break; |
| } |
| |
| fold = targetm.builtin_decl (id, true); |
| |
| if (fold != error_mark_node) |
| fold = build_function_call_vec (loc, vNULL, fold, &args, NULL); |
| |
| break; // countlsfx |
| } |
| |
| return fold; |
| } |
| |
| |
| /* Implement `REGISTER_TARGET_PRAGMAS'. */ |
| |
| void |
| avr_register_target_pragmas (void) |
| { |
| int i; |
| |
| gcc_assert (ADDR_SPACE_GENERIC == ADDR_SPACE_RAM); |
| |
| /* Register address spaces. The order must be the same as in the respective |
| enum from avr.h (or designated initializers must be used in avr.c). */ |
| |
| for (i = 0; i < ADDR_SPACE_COUNT; i++) |
| { |
| gcc_assert (i == avr_addrspace[i].id); |
| |
| if (!ADDR_SPACE_GENERIC_P (i)) |
| c_register_addr_space (avr_addrspace[i].name, avr_addrspace[i].id); |
| } |
| |
| targetm.resolve_overloaded_builtin = avr_resolve_overloaded_builtin; |
| } |
| |
| |
| /* Transform LO into uppercase and write the result to UP. |
| You must provide enough space for UP. Return UP. */ |
| |
| static char* |
| avr_toupper (char *up, const char *lo) |
| { |
| char *up0 = up; |
| |
| for (; *lo; lo++, up++) |
| *up = TOUPPER (*lo); |
| |
| *up = '\0'; |
| |
| return up0; |
| } |
| |
| /* Worker function for TARGET_CPU_CPP_BUILTINS. */ |
| |
| void |
| avr_cpu_cpp_builtins (struct cpp_reader *pfile) |
| { |
| int i; |
| |
| builtin_define_std ("AVR"); |
| |
| /* __AVR_DEVICE_NAME__ and avr_mcu_types[].macro like __AVR_ATmega8__ |
| are defined by -D command option, see device-specs file. */ |
| |
| if (avr_arch->macro) |
| cpp_define_formatted (pfile, "__AVR_ARCH__=%s", avr_arch->macro); |
| if (AVR_HAVE_RAMPD) cpp_define (pfile, "__AVR_HAVE_RAMPD__"); |
| if (AVR_HAVE_RAMPX) cpp_define (pfile, "__AVR_HAVE_RAMPX__"); |
| if (AVR_HAVE_RAMPY) cpp_define (pfile, "__AVR_HAVE_RAMPY__"); |
| if (AVR_HAVE_RAMPZ) cpp_define (pfile, "__AVR_HAVE_RAMPZ__"); |
| if (AVR_HAVE_ELPM) cpp_define (pfile, "__AVR_HAVE_ELPM__"); |
| if (AVR_HAVE_ELPMX) cpp_define (pfile, "__AVR_HAVE_ELPMX__"); |
| if (AVR_HAVE_MOVW) cpp_define (pfile, "__AVR_HAVE_MOVW__"); |
| if (AVR_HAVE_LPMX) cpp_define (pfile, "__AVR_HAVE_LPMX__"); |
| |
| if (avr_arch->asm_only) |
| cpp_define (pfile, "__AVR_ASM_ONLY__"); |
| if (AVR_HAVE_MUL) |
| { |
| cpp_define (pfile, "__AVR_ENHANCED__"); |
| cpp_define (pfile, "__AVR_HAVE_MUL__"); |
| } |
| if (avr_arch->have_jmp_call) |
| { |
| cpp_define (pfile, "__AVR_MEGA__"); |
| cpp_define (pfile, "__AVR_HAVE_JMP_CALL__"); |
| } |
| if (AVR_XMEGA) |
| cpp_define (pfile, "__AVR_XMEGA__"); |
| |
| if (AVR_TINY) |
| { |
| cpp_define (pfile, "__AVR_TINY__"); |
| |
| /* Define macro "__AVR_TINY_PM_BASE_ADDRESS__" with mapped program memory |
| start address. This macro shall be used where mapped program |
| memory is accessed, eg. copying data section (__do_copy_data) |
| contents to data memory region. |
| NOTE: |
| Program memory of AVR_TINY devices cannot be accessed directly, |
| it has been mapped to the data memory. For AVR_TINY devices |
| (ATtiny4/5/9/10/20 and 40) mapped program memory starts at 0x4000. */ |
| |
| cpp_define (pfile, "__AVR_TINY_PM_BASE_ADDRESS__=0x4000"); |
| } |
| |
| if (AVR_HAVE_EIJMP_EICALL) |
| { |
| cpp_define (pfile, "__AVR_HAVE_EIJMP_EICALL__"); |
| cpp_define (pfile, "__AVR_3_BYTE_PC__"); |
| } |
| else |
| { |
| cpp_define (pfile, "__AVR_2_BYTE_PC__"); |
| } |
| |
| if (AVR_HAVE_8BIT_SP) |
| cpp_define (pfile, "__AVR_HAVE_8BIT_SP__"); |
| else |
| cpp_define (pfile, "__AVR_HAVE_16BIT_SP__"); |
| |
| if (AVR_HAVE_SPH) |
| cpp_define (pfile, "__AVR_HAVE_SPH__"); |
| else |
| cpp_define (pfile, "__AVR_SP8__"); |
| |
| if (TARGET_NO_INTERRUPTS) |
| cpp_define (pfile, "__NO_INTERRUPTS__"); |
| |
| if (TARGET_SKIP_BUG) |
| { |
| cpp_define (pfile, "__AVR_ERRATA_SKIP__"); |
| |
| if (AVR_HAVE_JMP_CALL) |
| cpp_define (pfile, "__AVR_ERRATA_SKIP_JMP_CALL__"); |
| } |
| |
| if (TARGET_RMW) |
| cpp_define (pfile, "__AVR_ISA_RMW__"); |
| |
| cpp_define_formatted (pfile, "__AVR_SFR_OFFSET__=0x%x", |
| avr_arch->sfr_offset); |
| |
| #ifdef WITH_AVRLIBC |
| cpp_define (pfile, "__WITH_AVRLIBC__"); |
| #endif /* WITH_AVRLIBC */ |
| |
| /* Define builtin macros so that the user can easily query whether |
| non-generic address spaces (and which) are supported or not. |
| This is only supported for C. For C++, a language extension is needed |
| (as mentioned in ISO/IEC DTR 18037; Annex F.2) which is not |
| implemented in GCC up to now. */ |
| |
| if (lang_GNU_C ()) |
| { |
| for (i = 0; i < ADDR_SPACE_COUNT; i++) |
| if (!ADDR_SPACE_GENERIC_P (i) |
| /* Only supply __FLASH<n> macro if the address space is reasonable |
| for this target. The address space qualifier itself is still |
| supported, but using it will throw an error. */ |
| && avr_addrspace[i].segment < avr_n_flash |
| /* Only support __MEMX macro if we have LPM. */ |
| && (AVR_HAVE_LPM || avr_addrspace[i].pointer_size <= 2)) |
| |
| { |
| const char *name = avr_addrspace[i].name; |
| char *Name = (char*) alloca (1 + strlen (name)); |
| |
| cpp_define (pfile, avr_toupper (Name, name)); |
| } |
| } |
| |
| /* Define builtin macros so that the user can easily query whether or |
| not a specific builtin is available. */ |
| |
| #define DEF_BUILTIN(NAME, N_ARGS, TYPE, CODE, LIBNAME) \ |
| cpp_define (pfile, "__BUILTIN_AVR_" #NAME); |
| #include "builtins.def" |
| #undef DEF_BUILTIN |
| |
| /* Builtin macros for the __int24 and __uint24 type. */ |
| |
| cpp_define_formatted (pfile, "__INT24_MAX__=8388607%s", |
| INT_TYPE_SIZE == 8 ? "LL" : "L"); |
| cpp_define (pfile, "__INT24_MIN__=(-__INT24_MAX__-1)"); |
| cpp_define_formatted (pfile, "__UINT24_MAX__=16777215%s", |
| INT_TYPE_SIZE == 8 ? "ULL" : "UL"); |
| } |
