aix52.h revision 169690
1272343Sngie/* Definitions of target machine for GNU compiler, 2272343Sngie for IBM RS/6000 POWER running AIX V5.2. 3272343Sngie Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. 4272343Sngie Contributed by David Edelsohn (edelsohn@gnu.org). 5272343Sngie 6272343Sngie This file is part of GCC. 7272343Sngie 8272343Sngie GCC is free software; you can redistribute it and/or modify it 9272343Sngie under the terms of the GNU General Public License as published 10272343Sngie by the Free Software Foundation; either version 2, or (at your 11272343Sngie option) any later version. 12272343Sngie 13272343Sngie GCC is distributed in the hope that it will be useful, but WITHOUT 14272343Sngie ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15272343Sngie or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 16272343Sngie License for more details. 17272343Sngie 18272343Sngie You should have received a copy of the GNU General Public License 19272343Sngie along with GCC; see the file COPYING. If not, write to the 20272343Sngie Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, 21272343Sngie MA 02110-1301, USA. */ 22272343Sngie 23272343Sngie/* Sometimes certain combinations of command options do not make sense 24272343Sngie on a particular target machine. You can define a macro 25272343Sngie `OVERRIDE_OPTIONS' to take account of this. This macro, if 26272343Sngie defined, is executed once just after all the command options have 27272343Sngie been parsed. 28272343Sngie 29272343Sngie The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to 30272343Sngie get control. */ 31272343Sngie 32272343Sngie#define NON_POWERPC_MASKS (MASK_POWER | MASK_POWER2) 33272343Sngie#define SUBTARGET_OVERRIDE_OPTIONS \ 34272343Sngiedo { \ 35272343Sngie if (TARGET_64BIT && (target_flags & NON_POWERPC_MASKS)) \ 36272343Sngie { \ 37272343Sngie target_flags &= ~NON_POWERPC_MASKS; \ 38272343Sngie warning (0, "-maix64 and POWER architecture are incompatible"); \ 39272343Sngie } \ 40272343Sngie if (TARGET_64BIT && ! TARGET_POWERPC64) \ 41272343Sngie { \ 42272343Sngie target_flags |= MASK_POWERPC64; \ 43272343Sngie warning (0, "-maix64 requires PowerPC64 architecture remain enabled"); \ 44272343Sngie } \ 45272343Sngie if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128) \ 46272343Sngie { \ 47272343Sngie rs6000_long_double_type_size = 64; \ 48272343Sngie if (rs6000_explicit_options.long_double) \ 49272343Sngie warning (0, "soft-float and long-double-128 are incompatible"); \ 50272343Sngie } \ 51272343Sngie if (TARGET_POWERPC64 && ! TARGET_64BIT) \ 52272343Sngie { \ 53272343Sngie error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \ 54272343Sngie } \ 55272343Sngie} while (0); 56272343Sngie 57272343Sngie#undef ASM_SPEC 58272343Sngie#define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)" 59272343Sngie 60272343Sngie/* Common ASM definitions used by ASM_SPEC amongst the various targets 61272343Sngie for handling -mcpu=xxx switches. */ 62272343Sngie#undef ASM_CPU_SPEC 63272343Sngie#define ASM_CPU_SPEC \ 64272343Sngie"%{!mcpu*: %{!maix64: \ 65272343Sngie %{mpowerpc64: -mppc64} \ 66272343Sngie %{!mpower64: %(asm_default)}}} \ 67272343Sngie%{mcpu=power3: -m620} \ 68272343Sngie%{mcpu=power4: -m620} \ 69272343Sngie%{mcpu=power5: -m620} \ 70272343Sngie%{mcpu=power5+: -m620} \ 71272343Sngie%{mcpu=power6: -m620} \ 72272343Sngie%{mcpu=powerpc: -mppc} \ 73272343Sngie%{mcpu=rs64a: -mppc} \ 74272343Sngie%{mcpu=603: -m603} \ 75272343Sngie%{mcpu=603e: -m603} \ 76272343Sngie%{mcpu=604: -m604} \ 77272343Sngie%{mcpu=604e: -m604} \ 78272343Sngie%{mcpu=620: -m620} \ 79272343Sngie%{mcpu=630: -m620} \ 80272343Sngie%{mcpu=970: -m620} \ 81272343Sngie%{mcpu=G5: -m620}" 82272343Sngie 83272343Sngie#undef ASM_DEFAULT_SPEC 84272343Sngie#define ASM_DEFAULT_SPEC "-mppc" 85272343Sngie 86272343Sngie#undef TARGET_OS_CPP_BUILTINS 87272343Sngie#define TARGET_OS_CPP_BUILTINS() \ 88272343Sngie do \ 89272343Sngie { \ 90272343Sngie builtin_define ("_AIX43"); \ 91272343Sngie builtin_define ("_AIX51"); \ 92272343Sngie builtin_define ("_AIX52"); \ 93272343Sngie TARGET_OS_AIX_CPP_BUILTINS (); \ 94272343Sngie } \ 95272343Sngie while (0) 96272343Sngie 97272343Sngie#undef CPP_SPEC 98272343Sngie#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ 99272343Sngie %{ansi: -D_ANSI_C_SOURCE} \ 100272343Sngie %{maix64: -D__64BIT__} \ 101272343Sngie %{mpe: -I/usr/lpp/ppe.poe/include} \ 102272343Sngie %{pthread: -D_THREAD_SAFE}" 103272343Sngie 104272343Sngie/* The GNU C++ standard library requires that these macros be 105272343Sngie defined. Synchronize with libstdc++ os_defines.h. */ 106272343Sngie#undef CPLUSPLUS_CPP_SPEC 107272343Sngie#define CPLUSPLUS_CPP_SPEC \ 108272343Sngie "-D_ALL_SOURCE \ 109272343Sngie %{maix64: -D__64BIT__} \ 110272343Sngie %{mpe: -I/usr/lpp/ppe.poe/include} \ 111272343Sngie %{pthread: -D_THREAD_SAFE}" 112272343Sngie 113272343Sngie#undef TARGET_DEFAULT 114272343Sngie#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS) 115272343Sngie 116272343Sngie#undef PROCESSOR_DEFAULT 117272343Sngie#define PROCESSOR_DEFAULT PROCESSOR_POWER4 118272343Sngie#undef PROCESSOR_DEFAULT64 119272343Sngie#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4 120272343Sngie 121272343Sngie#undef TARGET_POWER 122272343Sngie#define TARGET_POWER 0 123272343Sngie 124272343Sngie/* Define this macro as a C expression for the initializer of an 125272343Sngie array of string to tell the driver program which options are 126272343Sngie defaults for this target and thus do not need to be handled 127272343Sngie specially when using `MULTILIB_OPTIONS'. 128272343Sngie 129272343Sngie Do not define this macro if `MULTILIB_OPTIONS' is not defined in 130272343Sngie the target makefile fragment or if none of the options listed in 131272343Sngie `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ 132272343Sngie 133272343Sngie#undef MULTILIB_DEFAULTS 134272343Sngie 135272343Sngie#undef LIB_SPEC 136272343Sngie#define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\ 137272343Sngie %{p:-L/lib/profiled -L/usr/lib/profiled}\ 138272343Sngie %{!maix64:%{!shared:%{g*:-lg}}}\ 139272343Sngie %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ 140272343Sngie %{pthread:-lpthreads} -lc" 141272343Sngie 142272343Sngie#undef LINK_SPEC 143272343Sngie#define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\ 144272343Sngie %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ 145272343Sngie %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ 146272343Sngie %{mpe:-binitfini:poe_remote_main}" 147272343Sngie 148272343Sngie#undef STARTFILE_SPEC 149272343Sngie#define STARTFILE_SPEC "%{!shared:\ 150272343Sngie %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\ 151272343Sngie %{!maix64:\ 152272343Sngie %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\ 153272343Sngie %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}" 154272343Sngie 155272343Sngie/* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */ 156272343Sngie 157272343Sngie#undef PTRDIFF_TYPE 158272343Sngie#define PTRDIFF_TYPE "long int" 159272343Sngie 160272343Sngie/* Type used for wchar_t, as a string used in a declaration. */ 161272343Sngie#undef WCHAR_TYPE 162272343Sngie#define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int") 163272343Sngie 164272343Sngie/* Width of wchar_t in bits. */ 165272343Sngie#undef WCHAR_TYPE_SIZE 166272343Sngie#define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32) 167272343Sngie 168272343Sngie/* AIX V5 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC 169272343Sngie and "cror 31,31,31" for POWER architecture. */ 170272343Sngie 171272343Sngie#undef RS6000_CALL_GLUE 172272343Sngie#define RS6000_CALL_GLUE "{cror 31,31,31|nop}" 173272343Sngie 174272343Sngie/* AIX 4.2 and above provides initialization and finalization function 175272343Sngie support from linker command line. */ 176272343Sngie#undef HAS_INIT_SECTION 177272343Sngie#define HAS_INIT_SECTION 178272343Sngie 179272343Sngie#undef LD_INIT_SWITCH 180272343Sngie#define LD_INIT_SWITCH "-binitfini" 181272343Sngie 182272343Sngie/* AIX 5.2 has the float and long double forms of math functions. */ 183272343Sngie#undef TARGET_C99_FUNCTIONS 184272343Sngie#define TARGET_C99_FUNCTIONS 1 185272343Sngie 186272343Sngie#ifndef _AIX52 187272343Sngieextern long long int atoll(const char *); 188272343Sngie#endif 189272343Sngie 190272343Sngie/* This target uses the aix64.opt file. */ 191272343Sngie#define TARGET_USES_AIX64_OPT 1 192272343Sngie