gcc/config/arm/t-aprofile

   1 # Copyright (C) 2012-2020 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
  30 MULTI_ARCH_DIRS_A       = v7-a v7-a+fp v7-a+simd v7ve+simd v8-a v8-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 # Matches
  50
  51 # Arch Matches
  52 # Map all basic v7-a arch extensions to v7-a
  53 MULTILIB_MATCHES        += $(foreach ARCH, $(v7_a_arch_variants), \
  54                              march?armv7-a=march?armv7-a$(ARCH))
  55
  56 # Map all v7-a FP variants to vfpv3-d16 (+fp)
  57 MULTILIB_MATCHES        += $(foreach ARCH, $(filter-out +fp, $(v7_a_nosimd_variants)), \
  58                              march?armv7-a+fp=march?armv7-a$(ARCH))
  59
  60 MULTILIB_MATCHES        += $(foreach ARCHVAR, $(v7_a_arch_variants), \
  61                              $(foreach ARCH, $(v7_a_nosimd_variants), \
  62                                march?armv7-a+fp=march?armv7-a$(ARCHVAR)$(ARCH)))
  63
  64 # Map all v7-a SIMD variants to neon-vfpv3 (+simd)
  65 MULTILIB_MATCHES        += $(foreach ARCH, $(filter-out +simd, $(v7_a_simd_variants)), \
  66                              march?armv7-a+simd=march?armv7-a$(ARCH))
  67
  68 MULTILIB_MATCHES        += $(foreach ARCHVAR, $(v7_a_arch_variants), \
  69                              $(foreach ARCH, $(v7_a_simd_variants), \
  70                                march?armv7-a+simd=march?armv7-a$(ARCHVAR)$(ARCH)))
  71
  72 # Neither FP nor SIMD: map v7ve to v7-a
  73 MULTILIB_MATCHES        += march?armv7-a=march?armv7ve
  74
  75 # ARMv7ve FP-only variants: map down to v7-a+fp
  76 MULTILIB_MATCHES        += $(foreach ARCH, $(v7ve_nosimd_variants), \
  77                              march?armv7-a+fp=march?armv7ve$(ARCH))
  78
  79 # ARMv7ve with SIMD, but SIMD is less capable than the default - map down to v7-a+simd
  80 MULTILIB_MATCHES        += $(foreach ARCH, $(v7ve_vfpv3_simd_variants), \
  81                              march?armv7-a+simd=march?armv7ve$(ARCH))
  82
  83 # ARMv8 without SIMD: map down to base architecture
  84 MULTILIB_MATCHES        += $(foreach ARCH, $(v8_a_nosimd_variants), \
  85                              march?armv8-a=march?armv8-a$(ARCH))
  86
  87 # ARMv8 with SIMD: map down to base arch + simd
  88 MULTILIB_MATCHES        += march?armv8-a+simd=march?armv8-a+crc+simd \
  89                            $(foreach ARCH, $(filter-out +simd, $(v8_a_simd_variants)), \
  90                              march?armv8-a+simd=march?armv8-a$(ARCH) \
  91                              march?armv8-a+simd=march?armv8-a+crc$(ARCH))
  92
  93 # Baseline v8.1-a: map down to baseline v8-a
  94 MULTILIB_MATCHES        += march?armv8-a=march?armv8.1-a
  95
  96 # Map all v8.1-a SIMD variants to v8-a+simd
  97 MULTILIB_MATCHES        += $(foreach ARCH, $(v8_1_a_simd_variants), \
  98                              march?armv8-a+simd=march?armv8.1-a$(ARCH))
  99
 100 # Baseline v8.2-a: map down to baseline v8-a
 101 MULTILIB_MATCHES        += march?armv8-a=march?armv8.2-a
 102
 103 # Baseline v8.3-a: map down to baseline v8-a
 104 MULTILIB_MATCHES        += march?armv8-a=march?armv8.3-a
 105
 106 # Map all v8.2-a and v8.3-a SIMD variants to v8-a+simd
 107 MULTILIB_MATCHES        += $(foreach ARCH, $(v8_2_a_simd_variants), \
 108                              march?armv8-a+simd=march?armv8.2-a$(ARCH) \
 109                              march?armv8-a+simd=march?armv8.3-a$(ARCH))
 110
 111 # Baseline v8.4-a: map down to baseline v8-a
 112 MULTILIB_MATCHES        += march?armv8-a=march?armv8.4-a
 113
 114 # Map all v8.4-a SIMD variants to v8-a+simd
 115 MULTILIB_MATCHES        += $(foreach ARCH, $(v8_4_a_simd_variants), \
 116                              march?armv8-a+simd=march?armv8.4-a$(ARCH))
 117
 118 # Baseline v8.5-a: map down to baseline v8-a
 119 MULTILIB_MATCHES        += march?armv8-a=march?armv8.5-a
 120
 121 # Map all v8.5-a SIMD variants to v8-a+simd
 122 MULTILIB_MATCHES        += $(foreach ARCH, $(v8_5_a_simd_variants), \
 123                              march?armv8-a+simd=march?armv8.5-a$(ARCH))
 124
 125 # Use Thumb libraries for everything.
 126
 127 MULTILIB_REUSE          += mthumb/march.armv7-a/mfloat-abi.soft=marm/march.armv7-a/mfloat-abi.soft
 128
 129 MULTILIB_REUSE          += mthumb/march.armv8-a/mfloat-abi.soft=marm/march.armv8-a/mfloat-abi.soft
 130
 131 MULTILIB_REUSE          += $(foreach ABI, hard softfp, \
 132                              $(foreach ARCH, armv7-a+fp armv7-a+simd armv7ve+simd armv8-a+simd, \
 133                                mthumb/march.$(ARCH)/mfloat-abi.$(ABI)=marm/march.$(ARCH)/mfloat-abi.$(ABI)))
 134
 135 # Softfp but no FP, use the soft-float libraries.
 136 MULTILIB_REUSE          += $(foreach MODE, arm thumb, \
 137                              $(foreach ARCH, armv7-a armv8-a, \
 138                                mthumb/march.$(ARCH)/mfloat-abi.soft=m$(MODE)/march.$(ARCH)/mfloat-abi.softfp))