1/* Definitions of target machine for GNU compiler, 2 for IBM RS/6000 POWER running AIX V5. 3 Copyright (C) 2001-2015 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 3, 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 COPYING3. If not see 20 <http://www.gnu.org/licenses/>. */ 21 22/* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to 23 get control in TARGET_OPTION_OVERRIDE. */ 24 25#define SUBTARGET_OVERRIDE_OPTIONS \ 26do { \ 27 if (TARGET_64BIT && ! TARGET_POWERPC64) \ 28 { \ 29 rs6000_isa_flags |= OPTION_MASK_POWERPC64; \ 30 warning (0, "-maix64 requires PowerPC64 architecture remain enabled"); \ 31 } \ 32 if (TARGET_POWERPC64 && ! TARGET_64BIT) \ 33 { \ 34 error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \ 35 } \ 36} while (0); 37 38#undef ASM_SPEC 39#define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)" 40 41/* Common ASM definitions used by ASM_SPEC amongst the various targets 42 for handling -mcpu=xxx switches. */ 43#undef ASM_CPU_SPEC 44#define ASM_CPU_SPEC \ 45"%{!mcpu*: %{!maix64: \ 46 %{!mpowerpc64: %(asm_default)} \ 47 %{mpowerpc64: -mppc64}}} \ 48%{mcpu=power3: -m620} \ 49%{mcpu=power4: -m620} \ 50%{mcpu=powerpc: -mppc} \ 51%{mcpu=rs64a: -mppc} \ 52%{mcpu=601: -m601} \ 53%{mcpu=602: -mppc} \ 54%{mcpu=603: -m603} \ 55%{mcpu=603e: -m603} \ 56%{mcpu=604: -m604} \ 57%{mcpu=604e: -m604} \ 58%{mcpu=620: -m620} \ 59%{mcpu=630: -m620} \ 60%{mcpu=970: -m620} \ 61%{mcpu=G5: -m620}" 62 63#undef ASM_DEFAULT_SPEC 64#define ASM_DEFAULT_SPEC "-mppc" 65 66#undef TARGET_OS_CPP_BUILTINS 67#define TARGET_OS_CPP_BUILTINS() \ 68 do \ 69 { \ 70 builtin_define ("_AIX43"); \ 71 builtin_define ("_AIX51"); \ 72 TARGET_OS_AIX_CPP_BUILTINS (); \ 73 } \ 74 while (0) 75 76#undef CPP_SPEC 77#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ 78 %{ansi: -D_ANSI_C_SOURCE} \ 79 %{maix64: -D__64BIT__} \ 80 %{mpe: -I%R/usr/lpp/ppe.poe/include} \ 81 %{pthread: -D_THREAD_SAFE}" 82 83/* The GNU C++ standard library requires that these macros be 84 defined. */ 85#undef CPLUSPLUS_CPP_SPEC 86#define CPLUSPLUS_CPP_SPEC \ 87 "-D_ALL_SOURCE \ 88 %{maix64: -D__64BIT__} \ 89 %{mpe: -I%R/usr/lpp/ppe.poe/include} \ 90 %{pthread: -D_THREAD_SAFE}" 91 92#undef TARGET_DEFAULT 93#define TARGET_DEFAULT 0 94 95#undef PROCESSOR_DEFAULT 96#define PROCESSOR_DEFAULT PROCESSOR_PPC604e 97 98/* AIX does not support Altivec. */ 99#undef TARGET_ALTIVEC 100#define TARGET_ALTIVEC 0 101#undef TARGET_ALTIVEC_ABI 102#define TARGET_ALTIVEC_ABI 0 103 104/* Define this macro as a C expression for the initializer of an 105 array of string to tell the driver program which options are 106 defaults for this target and thus do not need to be handled 107 specially when using `MULTILIB_OPTIONS'. 108 109 Do not define this macro if `MULTILIB_OPTIONS' is not defined in 110 the target makefile fragment or if none of the options listed in 111 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ 112 113#undef MULTILIB_DEFAULTS 114#define MULTILIB_DEFAULTS { "mcpu=common" } 115 116#undef LIB_SPEC 117#define LIB_SPEC "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\ 118 %{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\ 119 %{!maix64:%{!shared:%{g*:-lg}}}\ 120 %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ 121 %{pthread:-lpthreads} -lc" 122 123#undef LINK_SPEC 124#define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro}\ 125 %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ 126 %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ 127 %{mpe:-binitfini:poe_remote_main}" 128 129#undef STARTFILE_SPEC 130#define STARTFILE_SPEC "%{!shared:\ 131 %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\ 132 %{!maix64:\ 133 %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\ 134 %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}" 135 136/* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */ 137 138#undef PTRDIFF_TYPE 139#define PTRDIFF_TYPE "long int" 140 141/* Type used for wchar_t, as a string used in a declaration. */ 142#undef WCHAR_TYPE 143#define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int") 144 145/* Width of wchar_t in bits. */ 146#undef WCHAR_TYPE_SIZE 147#define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32) 148 149/* AIX 4.2 and above provides initialization and finalization function 150 support from linker command line. */ 151#undef HAS_INIT_SECTION 152#define HAS_INIT_SECTION 153 154#undef LD_INIT_SWITCH 155#define LD_INIT_SWITCH "-binitfini" 156 157/* This target uses the aix64.opt file. */ 158#define TARGET_USES_AIX64_OPT 1 159 160/* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION, 161 but does not have crtbegin/end. */ 162 163#define TARGET_USE_JCR_SECTION 0 164 165#define TARGET_AIX_VERSION 51 166 167#undef TARGET_LIBC_HAS_FUNCTION 168#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function 169