gcc/config/arm/t-aprofile

   1 # Copyright (C) 2012-2021 Free Software Foundation, Inc.
   2 #
   3 # This file is part of GCC.
   4 #
   5 # GCC is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3, or (at your option)
   8 # any later version.
   9 #
  10 # GCC is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with GCC; see the file COPYING3.  If not see
  17 # <http://www.gnu.org/licenses/>.
  18
  19 # This is a target makefile fragment that attempts to get
  20 # multilibs built for the range of CPU's, FPU's and ABI's that
  21 # are relevant for the A-profile architecture.  It should
  22 # not be used in conjunction with another make file fragment and
  23 # assumes --with-arch, --with-cpu, --with-fpu, --with-float, --with-mode
  24 # have their default values during the configure step.  We enforce
  25 # this during the top-level configury.
  26
  27 # Arch and FPU variants to build libraries with
  28
  29 MULTI_ARCH_OPTS_A       = march=armv7-a/march=armv7-a+fp/march=armv7-a+simd/march=armv7ve+simd/march=armv8-a/march=armv8-a+simd/march=armv9-a/march=armv9-a+simd
  30 MULTI_ARCH_DIRS_A       = v7-a v7-a+fp v7-a+simd v7ve+simd v8-a v8-a+simd v9-a v9-a+simd
  31
  32 # ARMv7-A - build nofp, fp-d16 and SIMD variants
  33
  34 MULTILIB_REQUIRED       += mthumb/march=armv7-a/mfloat-abi=soft
  35 MULTILIB_REQUIRED       += mthumb/march=armv7-a+fp/mfloat-abi=hard
  36 MULTILIB_REQUIRED       += mthumb/march=armv7-a+fp/mfloat-abi=softfp
  37 MULTILIB_REQUIRED       += mthumb/march=armv7-a+simd/mfloat-abi=hard
  38 MULTILIB_REQUIRED       += mthumb/march=armv7-a+simd/mfloat-abi=softfp
  39
  40 # ARMv7VE - only build a SIMD (+VFPv4) variant.
  41 MULTILIB_REQUIRED       += mthumb/march=armv7ve+simd/mfloat-abi=hard
  42 MULTILIB_REQUIRED       += mthumb/march=armv7ve+simd/mfloat-abi=softfp
  43
  44 # ARMv8-A - build nofp and SIMD variants.
  45 MULTILIB_REQUIRED       += mthumb/march=armv8-a/mfloat-abi=soft
  46 MULTILIB_REQUIRED       += mthumb/march=armv8-a+simd/mfloat-abi=hard
  47 MULTILIB_REQUIRED       += mthumb/march=armv8-a+simd/mfloat-abi=softfp
  48
  49 # Armv9-A - build nofp and SIMD variants.
  50 MULTILIB_REQUIRED       += mthumb/march=armv9-a/mfloat-abi=soft
  51 MULTILIB_REQUIRED       += mthumb/march=armv9-a+simd/mfloat-abi=hard
  52 MULTILIB_REQUIRED       += mthumb/march=armv9-a+simd/mfloat-abi=softfp
  53
  54 # Matches
  55
  56 # Arch Matches
  57 # Map all basic v7-a arch extensions to v7-a
  58 MULTILIB_MATCHES        += $(foreach ARCH, $(v7_a_arch_variants), \
  59                              march?armv7-a=march?armv7-a$(ARCH))
  60
  61 # Map all v7-a FP variants to vfpv3-d16 (+fp)
  62 MULTILIB_MATCHES        += $(foreach ARCH, $(filter-out +fp, $(v7_a_nosimd_variants)), \
  63                              march?armv7-a+fp=march?armv7-a$(ARCH))
  64
  65 MULTILIB_MATCHES        += $(foreach ARCHVAR, $(v7_a_arch_variants), \
  66                              $(foreach ARCH, $(v7_a_nosimd_variants), \
  67                                march?armv7-a+fp=march?armv7-a$(ARCHVAR)$(ARCH)))
  68
  69 # Map all v7-a SIMD variants to neon-vfpv3 (+simd)
  70 MULTILIB_MATCHES        += $(foreach ARCH, $(filter-out +simd, $(v7_a_simd_variants)), \
  71                              march?armv7-a+simd=march?armv7-a$(ARCH))
  72
  73 MULTILIB_MATCHES        += $(foreach ARCHVAR, $(v7_a_arch_variants), \
  74                              $(foreach ARCH, $(v7_a_simd_variants), \
  75                                march?armv7-a+simd=march?armv7-a$(ARCHVAR)$(ARCH)))
  76
  77 # Neither FP nor SIMD: map v7ve to v7-a
  78 MULTILIB_MATCHES        += march?armv7-a=march?armv7ve
  79
  80 # ARMv7ve FP-only variants: map down to v7-a+fp
  81 MULTILIB_MATCHES        += $(foreach ARCH, $(v7ve_nosimd_variants), \
  82                              march?armv7-a+fp=march?armv7ve$(ARCH))
  83
  84 # ARMv7ve with SIMD, but SIMD is less capable than the default - map down to v7-a+simd
  85 MULTILIB_MATCHES        += $(foreach ARCH, $(v7ve_vfpv3_simd_variants), \
  86                              march?armv7-a+simd=march?armv7ve$(ARCH))
  87
  88 # ARMv8 without SIMD: map down to base architecture
  89 MULTILIB_MATCHES        += $(foreach ARCH, $(v8_a_nosimd_variants), \
  90                              march?armv8-a=march?armv8-a$(ARCH))
  91
  92 # ARMv8 with SIMD: map down to base arch + simd
  93 MULTILIB_MATCHES        += march?armv8-a+simd=march?armv8-a+crc+simd \
  94                            $(foreach ARCH, $(filter-out +simd, $(v8_a_simd_variants)), \
  95                              march?armv8-a+simd=march?armv8-a$(ARCH) \
  96                              march?armv8-a+simd=march?armv8-a+crc$(ARCH))
  97
  98 # Baseline v8.1-a: map down to baseline v8-a
  99 MULTILIB_MATCHES        += march?armv8-a=march?armv8.1-a
 100
 101 # Map all v8.1-a SIMD variants to v8-a+simd
 102 MULTILIB_MATCHES        += $(foreach ARCH, $(v8_1_a_simd_variants), \
 103                              march?armv8-a+simd=march?armv8.1-a$(ARCH))
 104
 105 # Baseline v8.2-a: map down to baseline v8-a
 106 MULTILIB_MATCHES        += march?armv8-a=march?armv8.2-a
 107
 108 # Baseline v8.3-a: map down to baseline v8-a
 109 MULTILIB_MATCHES        += march?armv8-a=march?armv8.3-a
 110
 111 # Map all v8.2-a and v8.3-a SIMD variants to v8-a+simd
 112 MULTILIB_MATCHES        += $(foreach ARCH, $(v8_2_a_simd_variants), \
 113                              march?armv8-a+simd=march?armv8.2-a$(ARCH) \
 114                              march?armv8-a+simd=march?armv8.3-a$(ARCH))
 115
 116 # Baseline v8.4-a: map down to baseline v8-a
 117 MULTILIB_MATCHES        += march?armv8-a=march?armv8.4-a
 118
 119 # Map all v8.4-a SIMD variants to v8-a+simd
 120 MULTILIB_MATCHES        += $(foreach ARCH, $(v8_4_a_simd_variants), \
 121                              march?armv8-a+simd=march?armv8.4-a$(ARCH))
 122
 123 # Baseline v8.5-a: map down to baseline v8-a
 124 MULTILIB_MATCHES        += march?armv8-a=march?armv8.5-a
 125
 126 # Map all v8.5-a SIMD variants to v8-a+simd
 127 MULTILIB_MATCHES        += $(foreach ARCH, $(v8_5_a_simd_variants), \
 128                              march?armv8-a+simd=march?armv8.5-a$(ARCH))
 129
 130 # Baseline v8.6-a: map down to baseline v8-a
 131 MULTILIB_MATCHES        += march?armv8-a=march?armv8.6-a
 132
 133 # Map all v8.6-a SIMD variants to v8-a+simd
 134 MULTILIB_MATCHES        += $(foreach ARCH, $(v8_6_a_simd_variants), \
 135                              march?armv8-a+simd=march?armv8.6-a$(ARCH))
 136
 137 # Armv9 without SIMD: map down to base architecture
 138 MULTILIB_MATCHES        += $(foreach ARCH, $(v9_a_nosimd_variants), \
 139                              march?armv9-a=march?armv9-a$(ARCH))
 140
 141 # Armv9 with SIMD: map down to base arch + simd
 142 MULTILIB_MATCHES        += march?armv9-a+simd=march?armv9-a+crc+simd \
 143                            $(foreach ARCH, $(filter-out +simd, $(v9_a_simd_variants)), \
 144                              march?armv9-a+simd=march?armv9-a$(ARCH) \
 145                              march?armv9-a+simd=march?armv9-a+crc$(ARCH))
 146
 147 # Use Thumb libraries for everything.
 148
 149 MULTILIB_REUSE          += mthumb/march.armv7-a/mfloat-abi.soft=marm/march.armv7-a/mfloat-abi.soft
 150
 151 MULTILIB_REUSE          += mthumb/march.armv8-a/mfloat-abi.soft=marm/march.armv8-a/mfloat-abi.soft
 152
 153 MULTILIB_REUSE          += mthumb/march.armv9-a/mfloat-abi.soft=marm/march.armv9-a/mfloat-abi.soft
 154
 155 MULTILIB_REUSE          += $(foreach ABI, hard softfp, \
 156                              $(foreach ARCH, armv7-a+fp armv7-a+simd armv7ve+simd armv8-a+simd armv9-a+simd, \
 157                                mthumb/march.$(ARCH)/mfloat-abi.$(ABI)=marm/march.$(ARCH)/mfloat-abi.$(ABI)))
 158
 159 # Softfp but no FP, use the soft-float libraries.
 160 MULTILIB_REUSE          += $(foreach MODE, arm thumb, \
 161                              $(foreach ARCH, armv7-a armv8-a armv9-a, \
 162                                mthumb/march.$(ARCH)/mfloat-abi.soft=m$(MODE)/march.$(ARCH)/mfloat-abi.softfp))