1/* Definitions of target machine for GNU compiler, 2 for IBM RS/6000 POWER running AIX version 4.3. 3 Copyright (C) 1998-2018 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: %(asm_default)} \ 53 %{mpowerpc64: -mppc64}}} \ 54%{mcpu=power3: -m620} \ 55%{mcpu=power4: -m620} \ 56%{mcpu=powerpc: -mppc} \ 57%{mcpu=rs64a: -mppc} \ 58%{mcpu=601: -m601} \ 59%{mcpu=602: -mppc} \ 60%{mcpu=603: -m603} \ 61%{mcpu=603e: -m603} \ 62%{mcpu=604: -m604} \ 63%{mcpu=604e: -m604} \ 64%{mcpu=620: -m620} \ 65%{mcpu=630: -m620}" 66 67#undef ASM_DEFAULT_SPEC 68#define ASM_DEFAULT_SPEC "-mppc" 69 70#undef TARGET_OS_CPP_BUILTINS 71#define TARGET_OS_CPP_BUILTINS() \ 72 do \ 73 { \ 74 builtin_define ("_AIX43"); \ 75 TARGET_OS_AIX_CPP_BUILTINS (); \ 76 } \ 77 while (0) 78 79#undef CPP_SPEC 80#define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\ 81 %{ansi: -D_ANSI_C_SOURCE}\ 82 %{maix64: -D__64BIT__}\ 83 %{mpe: -I%R/usr/lpp/ppe.poe/include}\ 84 %{pthread: -D_THREAD_SAFE}" 85 86/* The GNU C++ standard library requires that these macros be 87 defined. */ 88#undef CPLUSPLUS_CPP_SPEC 89#define CPLUSPLUS_CPP_SPEC \ 90 "-D_ALL_SOURCE \ 91 %{maix64: -D__64BIT__} \ 92 %{mpe: -I%R/usr/lpp/ppe.poe/include} \ 93 %{pthread: -D_THREAD_SAFE}" 94 95#undef TARGET_DEFAULT 96#define TARGET_DEFAULT 0 97 98#undef PROCESSOR_DEFAULT 99#define PROCESSOR_DEFAULT PROCESSOR_PPC604e 100 101/* AIX does not support Altivec. */ 102#undef TARGET_ALTIVEC 103#define TARGET_ALTIVEC 0 104#undef TARGET_ALTIVEC_ABI 105#define TARGET_ALTIVEC_ABI 0 106#undef TARGET_EXTRA_BUILTINS 107#define TARGET_EXTRA_BUILTINS 0 108 109 110/* Define this macro as a C expression for the initializer of an 111 array of string to tell the driver program which options are 112 defaults for this target and thus do not need to be handled 113 specially when using `MULTILIB_OPTIONS'. 114 115 Do not define this macro if `MULTILIB_OPTIONS' is not defined in 116 the target makefile fragment or if none of the options listed in 117 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ 118 119#undef MULTILIB_DEFAULTS 120#define MULTILIB_DEFAULTS { "mcpu=common" } 121 122#undef LIB_SPEC 123#define LIB_SPEC "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\ 124 %{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\ 125 %{!maix64:%{!shared:%{g*:-lg}}}\ 126 %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ 127 %{pthread:-L%R/usr/lib/threads -lpthreads -lc_r %R/usr/lib/libc.a}\ 128 %{!pthread:-lc}" 129 130#undef LINK_SPEC 131#define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\ 132 %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ 133 %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ 134 %{mpe:-binitfini:poe_remote_main}" 135 136#undef STARTFILE_SPEC 137#define STARTFILE_SPEC "%{!shared:\ 138 %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\ 139 %{!maix64:\ 140 %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\ 141 %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}" 142 143/* AIX 4.3 typedefs ptrdiff_t as "long" while earlier releases used "int". */ 144 145#undef PTRDIFF_TYPE 146#define PTRDIFF_TYPE "long int" 147 148/* AIX 4.2 and above provides initialization and finalization function 149 support from linker command line. */ 150#undef HAS_INIT_SECTION 151#define HAS_INIT_SECTION 152 153#undef LD_INIT_SWITCH 154#define LD_INIT_SWITCH "-binitfini" 155 156/* The IBM AIX 4.x assembler doesn't support forward references in 157 .set directives. We handle this by deferring the output of .set 158 directives to the end of the compilation unit. */ 159#define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) true 160 161/* This target uses the aix64.opt file. */ 162#define TARGET_USES_AIX64_OPT 1 163 164#define TARGET_AIX_VERSION 43 165 166#undef TARGET_LIBC_HAS_FUNCTION 167#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function 168