| 1 | /* Definitions of target machine for GNU compiler, for ELF on NetBSD/sparc
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| 2 | and NetBSD/sparc64.
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| 3 | Copyright (C) 2002 Free Software Foundation, Inc.
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| 4 | Contributed by Matthew Green (mrg@eterna.com.au).
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| 5 |
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| 6 | This file is part of GNU CC.
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| 7 |
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| 8 | GNU CC is free software; you can redistribute it and/or modify
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| 9 | it under the terms of the GNU General Public License as published by
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| 10 | the Free Software Foundation; either version 2, or (at your option)
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| 11 | any later version.
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| 12 |
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| 13 | GNU CC is distributed in the hope that it will be useful,
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | GNU General Public License for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU General Public License
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| 19 | along with GNU CC; see the file COPYING. If not, write to
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| 20 | the Free Software Foundation, 59 Temple Place - Suite 330,
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| 21 | Boston, MA 02111-1307, USA. */
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| 22 |
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| 23 | /* Make sure these are undefined. */
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| 24 | #undef MD_EXEC_PREFIX
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| 25 | #undef MD_STARTFILE_PREFIX
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| 26 |
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| 27 | #undef CPP_PREDEFINES
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| 28 | #define CPP_PREDEFINES "-D__sparc__ -D__NetBSD__ -D__ELF__ \
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| 29 | -Asystem=unix -Asystem=NetBSD"
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| 30 |
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| 31 | /* CPP defines used for 64 bit code. */
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| 32 | #undef CPP_SUBTARGET_SPEC64
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| 33 | #define CPP_SUBTARGET_SPEC64 \
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| 34 | "-D__sparc64__ -D__sparc_v9__ -D_LP64 %{posix:-D_POSIX_SOURCE}"
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| 35 |
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| 36 | /* CPP defines used for 32 bit code. */
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| 37 | #undef CPP_SUBTARGET_SPEC32
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| 38 | #define CPP_SUBTARGET_SPEC32 "-D__sparc %{posix:-D_POSIX_SOURCE}"
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| 39 |
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| 40 | /* CPP_ARCH32_SPEC and CPP_ARCH64_SPEC are wrong from sparc/sparc.h; we
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| 41 | always want the non-SPARC_BI_ARCH versions, since the SPARC_BI_ARCH
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| 42 | versions define __SIZE_TYPE__ and __PTRDIFF_TYPE__ incorrectly for
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| 43 | NetBSD. */
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| 44 | #undef CPP_ARCH32_SPEC
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| 45 | #define CPP_ARCH32_SPEC "-D__GCC_NEW_VARARGS__ -Acpu=sparc -Amachine=sparc"
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| 46 |
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| 47 | #undef CPP_ARCH64_SPEC
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| 48 | #define CPP_ARCH64_SPEC "-D__arch64__ -Acpu=sparc64 -Amachine=sparc64"
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| 49 |
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| 50 | /* sparc/sparc.h defines NO_BUILTIN_SIZE_TYPE and NO_BUILTIN_PTRDIFF_TYPE
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| 51 | if SPARC_BI_ARCH is defined. This is wrong for NetBSD; size_t and
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| 52 | ptrdiff_t do not change for 32-bit vs. 64-bit. */
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| 53 | #undef NO_BUILTIN_PTRDIFF_TYPE
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| 54 | #undef NO_BUILTIN_SIZE_TYPE
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| 55 |
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| 56 | /* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h. */
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| 57 | #undef SIZE_TYPE
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| 58 | #define SIZE_TYPE "long unsigned int"
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| 59 |
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| 60 | #undef PTRDIFF_TYPE
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| 61 | #define PTRDIFF_TYPE "long int"
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| 62 |
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| 63 | #undef PREFERRED_DEBUGGING_TYPE
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| 64 | #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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| 65 |
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| 66 | /* This is the char to use for continuation (in case we need to turn
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| 67 | continuation back on). */
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| 68 | #undef DBX_CONTIN_CHAR
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| 69 | #define DBX_CONTIN_CHAR '?'
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| 70 |
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| 71 | #undef DBX_REGISTER_NUMBER
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| 72 | #define DBX_REGISTER_NUMBER(REGNO) \
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| 73 | (TARGET_FLAT && REGNO == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO)
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| 74 |
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| 75 | #undef LOCAL_LABEL_PREFIX
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| 76 | #define LOCAL_LABEL_PREFIX "."
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| 77 |
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| 78 | /* This is how to output a definition of an internal numbered label where
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| 79 | PREFIX is the class of label and NUM is the number within the class. */
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| 80 |
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| 81 | #undef ASM_OUTPUT_INTERNAL_LABEL
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| 82 | #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
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| 83 | fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
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| 84 |
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| 85 | /* This is how to output a reference to an internal numbered label where
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| 86 | PREFIX is the class of label and NUM is the number within the class. */
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| 87 |
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| 88 | #undef ASM_OUTPUT_INTERNAL_LABELREF
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| 89 | #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
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| 90 | fprintf (FILE, ".L%s%d", PREFIX, NUM)
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| 91 |
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| 92 | /* This is how to store into the string LABEL
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| 93 | the symbol_ref name of an internal numbered label where
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| 94 | PREFIX is the class of label and NUM is the number within the class.
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| 95 | This is suitable for output with `assemble_name'. */
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| 96 |
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| 97 | #undef ASM_GENERATE_INTERNAL_LABEL
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| 98 | #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
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| 99 | sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
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| 100 |
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| 101 | #undef USER_LABEL_PREFIX
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| 102 | #define USER_LABEL_PREFIX ""
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| 103 |
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| 104 | #undef ASM_SPEC
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| 105 | #define ASM_SPEC "%{fpic:-K PIC} %{fPIC:-K PIC} %{V} %{v:%{!V:-V}} \
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| 106 | %{mlittle-endian:-EL} \
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| 107 | %(asm_cpu) %(asm_arch) %(asm_relax)"
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| 108 |
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| 109 | #undef STDC_0_IN_SYSTEM_HEADERS
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| 110 |
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| 111 | #undef TARGET_VERSION
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| 112 | #define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME);
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| 113 |
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| 114 | /*
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| 115 | * Clean up afterwards generic SPARC ELF configuration.
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| 116 | */
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| 117 |
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| 118 | /* FIXME: Aren't these supposed to be available for SPARC ELF? */
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| 119 | #undef MULDI3_LIBCALL
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| 120 | #undef DIVDI3_LIBCALL
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| 121 | #undef UDIVDI3_LIBCALL
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| 122 | #undef MODDI3_LIBCALL
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| 123 | #undef UMODDI3_LIBCALL
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| 124 | #undef INIT_SUBTARGET_OPTABS
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| 125 | #define INIT_SUBTARGET_OPTABS
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| 126 |
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| 127 | /* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler
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| 128 | description, allowing one to build 32 bit or 64 bit applications
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| 129 | on either. We define the sparc & sparc64 versions of things,
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| 130 | occasionally a neutral version (should be the same as "netbsd-elf.h")
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| 131 | and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT,
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| 132 | we choose the correct version. */
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| 133 |
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| 134 | /* We use the default NetBSD ELF STARTFILE_SPEC and ENDFILE_SPEC
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| 135 | definitions, even for the SPARC_BI_ARCH compiler, because NetBSD does
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| 136 | not have a default place to find these libraries.. */
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| 137 |
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| 138 | /* Name the port(s). */
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| 139 | #define TARGET_NAME64 "NetBSD/sparc64 ELF"
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| 140 | #define TARGET_NAME32 "NetBSD/sparc ELF"
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| 141 |
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| 142 | /* TARGET_CPU_DEFAULT is set in Makefile.in. We test for 64-bit default
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| 143 | platform here. */
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| 144 |
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| 145 | #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
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| 146 | || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
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| 147 | /* A 64 bit v9 compiler with stack-bias,
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| 148 | in a Medium/Low code model environment. */
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| 149 |
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| 150 | #undef TARGET_DEFAULT
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| 151 | #define TARGET_DEFAULT \
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| 152 | (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
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| 153 | + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
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| 154 |
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| 155 | #undef SPARC_DEFAULT_CMODEL
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| 156 | #define SPARC_DEFAULT_CMODEL CM_MEDANY
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| 157 |
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| 158 | #endif
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| 159 |
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| 160 | /* CC1_SPEC for NetBSD/sparc. */
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| 161 | #define CC1_SPEC32 \
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| 162 | "%{sun4:} %{target:} \
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| 163 | %{mcypress:-mcpu=cypress} \
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| 164 | %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
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| 165 | %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
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| 166 | %{m32:%{m64:%emay not use both -m32 and -m64}} \
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| 167 | %{m64: \
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| 168 | -mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \
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| 169 | %{!mcpu*: \
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| 170 | %{!mcypress: \
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| 171 | %{!msparclite: \
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| 172 | %{!mf930: \
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| 173 | %{!mf934: \
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| 174 | %{!mv8*: \
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| 175 | %{!msupersparc:-mcpu=ultrasparc}}}}}}} \
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| 176 | %{!mno-vis:%{!mcpu=v9:-mvis}} \
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| 177 | %{p:-mcmodel=medlow} \
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| 178 | %{pg:-mcmodel=medlow}}"
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| 179 |
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| 180 | #define CC1_SPEC64 \
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| 181 | "%{sun4:} %{target:} \
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| 182 | %{mcypress:-mcpu=cypress} \
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| 183 | %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
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| 184 | %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
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| 185 | %{m32:%{m64:%emay not use both -m32 and -m64}} \
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| 186 | %{m32: \
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| 187 | -mptr32 -mno-stack-bias \
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| 188 | %{!mlong-double-128:-mlong-double-64} \
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| 189 | %{!mcpu*: \
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| 190 | %{!mcypress: \
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| 191 | %{!msparclite: \
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| 192 | %{!mf930: \
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| 193 | %{!mf934: \
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| 194 | %{!mv8*: \
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| 195 | %{!msupersparc:-mcpu=cypress}}}}}}}} \
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| 196 | %{!m32: \
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| 197 | %{p:-mcmodel=medlow} \
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| 198 | %{pg:-mcmodel=medlow}}"
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| 199 |
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| 200 | /* Make sure we use the right output format. Pick a default and then
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| 201 | make sure -m32/-m64 switch to the right one. */
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| 202 |
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| 203 | #define LINK_ARCH32_SPEC \
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| 204 | "%-m elf32_sparc \
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| 205 | %{assert*} %{R*} %{V} %{v:%{!V:-V}} \
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| 206 | %{shared:-shared} \
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| 207 | %{!shared: \
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| 208 | -dp \
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| 209 | %{!nostdlib:%{!r*:%{!e*:-e __start}}} \
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| 210 | %{!static: \
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| 211 | -dy %{rdynamic:-export-dynamic} \
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| 212 | %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
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| 213 | %{static:-static}}"
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| 214 |
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| 215 | #define LINK_ARCH64_SPEC \
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| 216 | "%-m elf64_sparc \
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| 217 | %{assert*} %{R*} %{V} %{v:%{!V:-V}} \
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| 218 | %{shared:-shared} \
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| 219 | %{!shared: \
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| 220 | -dp \
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| 221 | %{!nostdlib:%{!r*:%{!e*:-e __start}}} \
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| 222 | %{!static: \
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| 223 | -dy %{rdynamic:-export-dynamic} \
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| 224 | %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
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| 225 | %{static:-static}}"
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| 226 |
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| 227 | #define LINK_ARCH_SPEC "\
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| 228 | %{m32:%(link_arch32)} \
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| 229 | %{m64:%(link_arch64)} \
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| 230 | %{!m32:%{!m64:%(link_arch_default)}} \
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| 231 | "
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| 232 |
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| 233 | #if DEFAULT_ARCH32_P
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| 234 | #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC
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| 235 | #else
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| 236 | #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH64_SPEC
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| 237 | #endif
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| 238 |
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| 239 | /* What extra spec entries do we need? */
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| 240 | #undef SUBTARGET_EXTRA_SPECS
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| 241 | #define SUBTARGET_EXTRA_SPECS \
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| 242 | { "link_arch32", LINK_ARCH32_SPEC }, \
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| 243 | { "link_arch64", LINK_ARCH64_SPEC }, \
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| 244 | { "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \
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| 245 | { "link_arch", LINK_ARCH_SPEC }, \
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| 246 | { "cpp_subtarget_spec32", CPP_SUBTARGET_SPEC32 }, \
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| 247 | { "cpp_subtarget_spec64", CPP_SUBTARGET_SPEC64 },
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| 248 |
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| 249 |
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| 250 | /* What extra switches do we need? */
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| 251 | #undef SUBTARGET_SWITCHES
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| 252 | #define SUBTARGET_SWITCHES \
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| 253 | {"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") }, \
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| 254 | {"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") },
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| 255 |
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| 256 |
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| 257 | /* Build a compiler that supports -m32 and -m64? */
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| 258 |
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| 259 | #ifdef SPARC_BI_ARCH
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| 260 |
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| 261 | #undef LONG_DOUBLE_TYPE_SIZE
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| 262 | #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
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| 263 |
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| 264 | #undef MAX_LONG_DOUBLE_TYPE_SIZE
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| 265 | #define MAX_LONG_DOUBLE_TYPE_SIZE 128
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| 266 |
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| 267 | #if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
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| 268 | #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
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| 269 | #else
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| 270 | #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
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| 271 | #endif
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| 272 |
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| 273 | #undef CC1_SPEC
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| 274 | #if DEFAULT_ARCH32_P
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| 275 | #define CC1_SPEC CC1_SPEC32
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| 276 | #else
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| 277 | #define CC1_SPEC CC1_SPEC64
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| 278 | #endif
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| 279 |
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| 280 | #if DEFAULT_ARCH32_P
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| 281 | #define MULTILIB_DEFAULTS { "m32" }
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| 282 | #else
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| 283 | #define MULTILIB_DEFAULTS { "m64" }
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| 284 | #endif
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| 285 |
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| 286 | #undef CPP_SUBTARGET_SPEC
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| 287 | #if DEFAULT_ARCH32_P
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| 288 | #define CPP_SUBTARGET_SPEC \
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| 289 | "%{m64:%(cpp_subtarget_spec64)}%{!m64:%(cpp_subtarget_spec32)}"
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| 290 | #else
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| 291 | #define CPP_SUBTARGET_SPEC \
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| 292 | "%{!m32:%(cpp_subtarget_spec64)}%{m32:%(cpp_subtarget_spec32)}"
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| 293 | #endif
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| 294 |
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| 295 | /* Restore this from sparc/sparc.h, netbsd.h changes it. */
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| 296 | #undef CPP_SPEC
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| 297 | #define CPP_SPEC "%(cpp_cpu) %(cpp_arch) %(cpp_endian) %(cpp_subtarget)"
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| 298 |
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| 299 | /* Name the port. */
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| 300 | #undef TARGET_NAME
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| 301 | #define TARGET_NAME (DEFAULT_ARCH32_P ? TARGET_NAME32 : TARGET_NAME64)
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| 302 |
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| 303 | #else /* SPARC_BI_ARCH */
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| 304 |
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| 305 | #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
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| 306 | || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
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| 307 |
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| 308 | #undef LONG_DOUBLE_TYPE_SIZE
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| 309 | #define LONG_DOUBLE_TYPE_SIZE 128
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| 310 |
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| 311 | #undef MAX_LONG_DOUBLE_TYPE_SIZE
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| 312 | #define MAX_LONG_DOUBLE_TYPE_SIZE 128
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| 313 |
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| 314 | #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
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| 315 | #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
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| 316 |
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| 317 | #undef CC1_SPEC
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| 318 | #define CC1_SPEC CC1_SPEC64
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| 319 |
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| 320 | #undef CPP_SUBTARGET_SPEC
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| 321 | #define CPP_SUBTARGET_SPEC CPP_SUBTARGET_SPEC64
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| 322 |
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| 323 | #undef TARGET_NAME
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| 324 | #define TARGET_NAME TARGET_NAME64
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| 325 |
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| 326 | #else /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
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| 327 | || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
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| 328 |
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| 329 | /* A 32-bit only compiler. NetBSD don't support 128 bit `long double'
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| 330 | for 32-bit code, unlike Solaris. */
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| 331 |
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| 332 | #undef LONG_DOUBLE_TYPE_SIZE
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| 333 | #define LONG_DOUBLE_TYPE_SIZE 64
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| 334 |
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| 335 | #undef MAX_LONG_DOUBLE_TYPE_SIZE
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| 336 | #define MAX_LONG_DOUBLE_TYPE_SIZE 64
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| 337 |
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| 338 | #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
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| 339 | #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
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| 340 |
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| 341 | #undef CPP_SUBTARGET_SPEC
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| 342 | #define CPP_SUBTARGET_SPEC CPP_SUBTARGET_SPEC32
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| 343 |
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| 344 | #undef CC1_SPEC
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| 345 | #define CC1_SPEC CC1_SPEC32
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| 346 |
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| 347 | #undef TARGET_NAME
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| 348 | #define TARGET_NAME TARGET_NAME32
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| 349 |
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| 350 | #endif /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
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| 351 | || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
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| 352 |
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| 353 | #endif /* SPARC_BI_ARCH */
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| 354 |
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| 355 | /* We use GNU ld so undefine this so that attribute((init_priority)) works. */
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| 356 | #undef CTORS_SECTION_ASM_OP
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| 357 | #undef DTORS_SECTION_ASM_OP
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