1/* Definitions of target machine for GNU compiler, 2 for IBM RS/6000 POWER running AIX V5.2. 3 Copyright (C) 2002-2018 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_SOFT_FLOAT && TARGET_LONG_DOUBLE_128) \ 33 { \ 34 rs6000_long_double_type_size = 64; \ 35 if (global_options_set.x_rs6000_long_double_type_size) \ 36 warning (0, "soft-float and long-double-128 are incompatible"); \ 37 } \ 38 if (TARGET_POWERPC64 && ! TARGET_64BIT) \ 39 { \ 40 error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \ 41 } \ 42} while (0) 43 44#undef ASM_SPEC 45#define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)" 46 47/* Common ASM definitions used by ASM_SPEC amongst the various targets 48 for handling -mcpu=xxx switches. */ 49#undef ASM_CPU_SPEC 50#define ASM_CPU_SPEC \ 51"%{!mcpu*: %{!maix64: \ 52 %{mpowerpc64: -mppc64} \ 53 %{!mpowerpc64: %(asm_default)}}} \ 54%{mcpu=power3: -m620} \ 55%{mcpu=power4: -m620} \ 56%{mcpu=power5: -m620} \ 57%{mcpu=power5+: -m620} \ 58%{mcpu=power6: -m620} \ 59%{mcpu=power6x: -m620} \ 60%{mcpu=powerpc: -mppc} \ 61%{mcpu=rs64a: -mppc} \ 62%{mcpu=603: -m603} \ 63%{mcpu=603e: -m603} \ 64%{mcpu=604: -m604} \ 65%{mcpu=604e: -m604} \ 66%{mcpu=620: -m620} \ 67%{mcpu=630: -m620} \ 68%{mcpu=970: -m620} \ 69%{mcpu=G5: -m620}" 70 71#undef ASM_DEFAULT_SPEC 72#define ASM_DEFAULT_SPEC "-mppc" 73 74#undef TARGET_OS_CPP_BUILTINS 75#define TARGET_OS_CPP_BUILTINS() \ 76 do \ 77 { \ 78 builtin_define ("_AIX43"); \ 79 builtin_define ("_AIX51"); \ 80 builtin_define ("_AIX52"); \ 81 TARGET_OS_AIX_CPP_BUILTINS (); \ 82 } \ 83 while (0) 84 85#undef CPP_SPEC 86#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ 87 %{ansi: -D_ANSI_C_SOURCE} \ 88 %{maix64: -D__64BIT__} \ 89 %{mpe: -I%R/usr/lpp/ppe.poe/include} \ 90 %{pthread: -D_THREAD_SAFE}" 91 92/* The GNU C++ standard library requires that these macros be 93 defined. Synchronize with libstdc++ os_defines.h. */ 94#undef CPLUSPLUS_CPP_SPEC 95#define CPLUSPLUS_CPP_SPEC \ 96 "-D_ALL_SOURCE \ 97 %{maix64: -D__64BIT__} \ 98 %{mpe: -I%R/usr/lpp/ppe.poe/include} \ 99 %{pthread: -D_THREAD_SAFE}" 100 101#undef TARGET_DEFAULT 102#define TARGET_DEFAULT 0 103 104#undef PROCESSOR_DEFAULT 105#define PROCESSOR_DEFAULT PROCESSOR_POWER4 106#undef PROCESSOR_DEFAULT64 107#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4 108 109/* AIX does not support Altivec. */ 110#undef TARGET_ALTIVEC 111#define TARGET_ALTIVEC 0 112#undef TARGET_ALTIVEC_ABI 113#define TARGET_ALTIVEC_ABI 0 114#undef TARGET_EXTRA_BUILTINS 115#define TARGET_EXTRA_BUILTINS 0 116 117/* Define this macro as a C expression for the initializer of an 118 array of string to tell the driver program which options are 119 defaults for this target and thus do not need to be handled 120 specially when using `MULTILIB_OPTIONS'. 121 122 Do not define this macro if `MULTILIB_OPTIONS' is not defined in 123 the target makefile fragment or if none of the options listed in 124 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ 125 126#undef MULTILIB_DEFAULTS 127 128#undef LIB_SPEC 129#define LIB_SPEC "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\ 130 %{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\ 131 %{!maix64:%{!shared:%{g*:-lg}}}\ 132 %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ 133 %{pthread:-lpthreads} -lc" 134 135#undef LINK_SPEC 136#define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro}\ 137 %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ 138 %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ 139 %{mpe:-binitfini:poe_remote_main}" 140 141#undef STARTFILE_SPEC 142#define STARTFILE_SPEC "%{!shared:\ 143 %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\ 144 %{!maix64:\ 145 %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\ 146 %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}" 147 148/* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */ 149 150#undef PTRDIFF_TYPE 151#define PTRDIFF_TYPE "long int" 152 153/* Type used for wchar_t, as a string used in a declaration. */ 154#undef WCHAR_TYPE 155#define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int") 156 157/* Width of wchar_t in bits. */ 158#undef WCHAR_TYPE_SIZE 159#define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32) 160 161/* AIX 4.2 and above provides initialization and finalization function 162 support from linker command line. */ 163#undef HAS_INIT_SECTION 164#define HAS_INIT_SECTION 165 166#undef LD_INIT_SWITCH 167#define LD_INIT_SWITCH "-binitfini" 168 169#ifndef _AIX52 170extern long long int atoll(const char *); 171#endif 172 173/* This target uses the aix64.opt file. */ 174#define TARGET_USES_AIX64_OPT 1 175 176/* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION, 177 but does not have crtbegin/end. */ 178 179#define TARGET_AIX_VERSION 52 180