1 /* Definitions of target machine for GNU compiler, 2 for IBM RS/6000 POWER running AIX V5.3. 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 \ 26 do { \ 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 for 48 handling -mcpu=xxx switches. There is a parallel list in driver-rs6000.c to 49 provide the default assembler options if the user uses -mcpu=native, so if 50 you make changes here, make them there also. */ 51 #undef ASM_CPU_SPEC 52 #define ASM_CPU_SPEC \ 53 "%{!mcpu*: %{!maix64: \ 54 %{mpowerpc64: -mppc64} \ 55 %{maltivec: -m970} \ 56 %{!maltivec: %{!mpowerpc64: %(asm_default)}}}} \ 57 %{mcpu=native: %(asm_cpu_native)} \ 58 %{mcpu=power3: -m620} \ 59 %{mcpu=power4: -mpwr4} \ 60 %{mcpu=power5: -mpwr5} \ 61 %{mcpu=power5+: -mpwr5x} \ 62 %{mcpu=power6: -mpwr6} \ 63 %{mcpu=power6x: -mpwr6} \ 64 %{mcpu=power7: -mpwr7} \ 65 %{mcpu=power8: -mpwr8} \ 66 %{mcpu=power9: -mpwr9} \ 67 %{mcpu=powerpc: -mppc} \ 68 %{mcpu=rs64a: -mppc} \ 69 %{mcpu=603: -m603} \ 70 %{mcpu=603e: -m603} \ 71 %{mcpu=604: -m604} \ 72 %{mcpu=604e: -m604} \ 73 %{mcpu=620: -m620} \ 74 %{mcpu=630: -m620} \ 75 %{mcpu=970: -m970} \ 76 %{mcpu=G5: -m970}" 77 78 #undef ASM_DEFAULT_SPEC 79 #define ASM_DEFAULT_SPEC "-mppc" 80 81 #undef TARGET_OS_CPP_BUILTINS 82 #define TARGET_OS_CPP_BUILTINS() \ 83 do \ 84 { \ 85 builtin_define ("_AIX43"); \ 86 builtin_define ("_AIX51"); \ 87 builtin_define ("_AIX52"); \ 88 builtin_define ("_AIX53"); \ 89 TARGET_OS_AIX_CPP_BUILTINS (); \ 90 } \ 91 while (0) 92 93 #undef CPP_SPEC 94 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ 95 %{ansi: -D_ANSI_C_SOURCE} \ 96 %{maix64: -D__64BIT__} \ 97 %{mpe: -I%R/usr/lpp/ppe.poe/include} \ 98 %{pthread: -D_THREAD_SAFE}" 99 100 /* The GNU C++ standard library requires that these macros be 101 defined. Synchronize with libstdc++ os_defines.h. */ 102 #undef CPLUSPLUS_CPP_SPEC 103 #define CPLUSPLUS_CPP_SPEC \ 104 "-D_ALL_SOURCE \ 105 %{maix64: -D__64BIT__} \ 106 %{mpe: -I%R/usr/lpp/ppe.poe/include} \ 107 %{pthread: -D_THREAD_SAFE}" 108 109 #undef TARGET_DEFAULT 110 #define TARGET_DEFAULT 0 111 112 #undef PROCESSOR_DEFAULT 113 #define PROCESSOR_DEFAULT PROCESSOR_POWER5 114 #undef PROCESSOR_DEFAULT64 115 #define PROCESSOR_DEFAULT64 PROCESSOR_POWER5 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 %{fprofile-arcs|fprofile-generate*|coverage:-lpthreads}\ 133 %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ 134 %{pthread:-lpthreads} -lc" 135 136 #undef LINK_SPEC 137 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro}\ 138 %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ 139 %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ 140 %{mpe:-binitfini:poe_remote_main}" 141 142 #undef STARTFILE_SPEC 143 #define STARTFILE_SPEC "%{!shared:\ 144 %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\ 145 %{!maix64:\ 146 %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\ 147 %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}" 148 149 /* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */ 150 151 #undef PTRDIFF_TYPE 152 #define PTRDIFF_TYPE "long int" 153 154 /* Type used for wchar_t, as a string used in a declaration. */ 155 #undef WCHAR_TYPE 156 #define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int") 157 158 /* Width of wchar_t in bits. */ 159 #undef WCHAR_TYPE_SIZE 160 #define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32) 161 162 /* AIX 4.2 and above provides initialization and finalization function 163 support from linker command line. */ 164 #undef HAS_INIT_SECTION 165 #define HAS_INIT_SECTION 166 167 #undef LD_INIT_SWITCH 168 #define LD_INIT_SWITCH "-binitfini" 169 170 #ifndef _AIX52 171 extern long long int atoll(const char *); 172 #endif 173 174 /* This target uses the aix64.opt file. */ 175 #define TARGET_USES_AIX64_OPT 1 176 177 /* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION, 178 but does not have crtbegin/end. */ 179 180 #define TARGET_AIX_VERSION 53 181