aix52.h revision 296373
1/* Definitions of target machine for GNU compiler, 2 for IBM RS/6000 POWER running AIX V5.2. 3 Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. 4 Contributed by David Edelsohn (edelsohn@gnu.org). 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify it 9 under the terms of the GNU General Public License as published 10 by the Free Software Foundation; either version 2, or (at your 11 option) any later version. 12 13 GCC is distributed in the hope that it will be useful, but WITHOUT 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 16 License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING. If not, write to the 20 Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, 21 MA 02110-1301, USA. */ 22 23/* Sometimes certain combinations of command options do not make sense 24 on a particular target machine. You can define a macro 25 `OVERRIDE_OPTIONS' to take account of this. This macro, if 26 defined, is executed once just after all the command options have 27 been parsed. 28 29 The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to 30 get control. */ 31 32#define NON_POWERPC_MASKS (MASK_POWER | MASK_POWER2) 33#define SUBTARGET_OVERRIDE_OPTIONS \ 34do { \ 35 if (TARGET_64BIT && (target_flags & NON_POWERPC_MASKS)) \ 36 { \ 37 target_flags &= ~NON_POWERPC_MASKS; \ 38 warning (0, "-maix64 and POWER architecture are incompatible"); \ 39 } \ 40 if (TARGET_64BIT && ! TARGET_POWERPC64) \ 41 { \ 42 target_flags |= MASK_POWERPC64; \ 43 warning (0, "-maix64 requires PowerPC64 architecture remain enabled"); \ 44 } \ 45 if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128) \ 46 { \ 47 rs6000_long_double_type_size = 64; \ 48 if (rs6000_explicit_options.long_double) \ 49 warning (0, "soft-float and long-double-128 are incompatible"); \ 50 } \ 51 if (TARGET_POWERPC64 && ! TARGET_64BIT) \ 52 { \ 53 error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \ 54 } \ 55} while (0); 56 57#undef ASM_SPEC 58#define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)" 59 60/* Common ASM definitions used by ASM_SPEC amongst the various targets 61 for handling -mcpu=xxx switches. */ 62#undef ASM_CPU_SPEC 63#define ASM_CPU_SPEC \ 64"%{!mcpu*: %{!maix64: \ 65 %{mpowerpc64: -mppc64} \ 66 %{!mpower64: %(asm_default)}}} \ 67%{mcpu=power3: -m620} \ 68%{mcpu=power4: -m620} \ 69%{mcpu=power5: -m620} \ 70%{mcpu=power5+: -m620} \ 71%{mcpu=power6: -m620} \ 72%{mcpu=powerpc: -mppc} \ 73%{mcpu=rs64a: -mppc} \ 74%{mcpu=603: -m603} \ 75%{mcpu=603e: -m603} \ 76%{mcpu=604: -m604} \ 77%{mcpu=604e: -m604} \ 78%{mcpu=620: -m620} \ 79%{mcpu=630: -m620} \ 80%{mcpu=970: -m620} \ 81%{mcpu=G5: -m620}" 82 83#undef ASM_DEFAULT_SPEC 84#define ASM_DEFAULT_SPEC "-mppc" 85 86#undef TARGET_OS_CPP_BUILTINS 87#define TARGET_OS_CPP_BUILTINS() \ 88 do \ 89 { \ 90 builtin_define ("_AIX43"); \ 91 builtin_define ("_AIX51"); \ 92 builtin_define ("_AIX52"); \ 93 TARGET_OS_AIX_CPP_BUILTINS (); \ 94 } \ 95 while (0) 96 97#undef CPP_SPEC 98#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ 99 %{ansi: -D_ANSI_C_SOURCE} \ 100 %{maix64: -D__64BIT__} \ 101 %{mpe: -I/usr/lpp/ppe.poe/include} \ 102 %{pthread: -D_THREAD_SAFE}" 103 104/* The GNU C++ standard library requires that these macros be 105 defined. Synchronize with libstdc++ os_defines.h. */ 106#undef CPLUSPLUS_CPP_SPEC 107#define CPLUSPLUS_CPP_SPEC \ 108 "-D_ALL_SOURCE \ 109 %{maix64: -D__64BIT__} \ 110 %{mpe: -I/usr/lpp/ppe.poe/include} \ 111 %{pthread: -D_THREAD_SAFE}" 112 113#undef TARGET_DEFAULT 114#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS) 115 116#undef PROCESSOR_DEFAULT 117#define PROCESSOR_DEFAULT PROCESSOR_POWER4 118#undef PROCESSOR_DEFAULT64 119#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4 120 121#undef TARGET_POWER 122#define TARGET_POWER 0 123 124/* Define this macro as a C expression for the initializer of an 125 array of string to tell the driver program which options are 126 defaults for this target and thus do not need to be handled 127 specially when using `MULTILIB_OPTIONS'. 128 129 Do not define this macro if `MULTILIB_OPTIONS' is not defined in 130 the target makefile fragment or if none of the options listed in 131 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ 132 133#undef MULTILIB_DEFAULTS 134 135#undef LIB_SPEC 136#define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\ 137 %{p:-L/lib/profiled -L/usr/lib/profiled}\ 138 %{!maix64:%{!shared:%{g*:-lg}}}\ 139 %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ 140 %{pthread:-lpthreads} -lc" 141 142#undef LINK_SPEC 143#define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\ 144 %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ 145 %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ 146 %{mpe:-binitfini:poe_remote_main}" 147 148#undef STARTFILE_SPEC 149#define STARTFILE_SPEC "%{!shared:\ 150 %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\ 151 %{!maix64:\ 152 %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\ 153 %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}" 154 155/* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */ 156 157#undef PTRDIFF_TYPE 158#define PTRDIFF_TYPE "long int" 159 160/* Type used for wchar_t, as a string used in a declaration. */ 161#undef WCHAR_TYPE 162#define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int") 163 164/* Width of wchar_t in bits. */ 165#undef WCHAR_TYPE_SIZE 166#define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32) 167 168/* AIX V5 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC 169 and "cror 31,31,31" for POWER architecture. */ 170 171#undef RS6000_CALL_GLUE 172#define RS6000_CALL_GLUE "{cror 31,31,31|nop}" 173 174/* AIX 4.2 and above provides initialization and finalization function 175 support from linker command line. */ 176#undef HAS_INIT_SECTION 177#define HAS_INIT_SECTION 178 179#undef LD_INIT_SWITCH 180#define LD_INIT_SWITCH "-binitfini" 181 182/* AIX 5.2 has the float and long double forms of math functions. */ 183#undef TARGET_C99_FUNCTIONS 184#define TARGET_C99_FUNCTIONS 1 185 186#ifndef _AIX52 187extern long long int atoll(const char *); 188#endif 189 190/* This target uses the aix64.opt file. */ 191#define TARGET_USES_AIX64_OPT 1 192