gcc/config/arm/t-rmprofile

   1 # Copyright (C) 2016-2024 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 ARM architecture.  It should not be used in
  22 # conjunction with another make file fragment and assumes --with-arch,
  23 # --with-cpu, --with-fpu, --with-float, --with-mode have their default
  24 # values during the configure step.  We enforce this during the
  25 # top-level configury.
  26
  27
  28 # Arch and FPU variants to build libraries with
  29
  30 MULTI_ARCH_OPTS_RM      = march=armv6s-m/march=armv7-m/march=armv7e-m/march=armv7e-m+fp/march=armv7e-m+fp.dp/march=armv8-m.base/march=armv8-m.main/march=armv8-m.main+fp/march=armv8-m.main+fp.dp/march=armv8.1-m.main+mve/march=armv8.1-m.main+pacbti/march=armv8.1-m.main+pacbti+fp/march=armv8.1-m.main+pacbti+fp.dp/march=armv8.1-m.main+pacbti+mve
  31 MULTI_ARCH_DIRS_RM      = v6-m v7-m v7e-m v7e-m+fp v7e-m+dp v8-m.base v8-m.main v8-m.main+fp v8-m.main+dp v8.1-m.main+mve v8.1-m.main+pacbti v8.1-m.main+pacbti+fp v8.1-m.main+pacbti+dp v8.1-m.main+pacbti+mve
  32
  33 MULTI_ARCH_OPTS_RM      += mbranch-protection=standard
  34 MULTI_ARCH_DIRS_RM      += bp
  35
  36 # Base M-profile (no fp)
  37 MULTILIB_REQUIRED       += mthumb/march=armv6s-m/mfloat-abi=soft
  38 MULTILIB_REQUIRED       += mthumb/march=armv7-m/mfloat-abi=soft
  39 MULTILIB_REQUIRED       += mthumb/march=armv7e-m/mfloat-abi=soft
  40 MULTILIB_REQUIRED       += mthumb/march=armv8-m.base/mfloat-abi=soft
  41 MULTILIB_REQUIRED       += mthumb/march=armv8-m.main/mfloat-abi=soft
  42
  43 # ARMv7e-M with FP (single and double precision variants)
  44 MULTILIB_REQUIRED       += mthumb/march=armv7e-m+fp/mfloat-abi=hard
  45 MULTILIB_REQUIRED       += mthumb/march=armv7e-m+fp/mfloat-abi=softfp
  46 MULTILIB_REQUIRED       += mthumb/march=armv7e-m+fp.dp/mfloat-abi=hard
  47 MULTILIB_REQUIRED       += mthumb/march=armv7e-m+fp.dp/mfloat-abi=softfp
  48
  49 # ARMv8-M with FP (single and double precision variants)
  50 MULTILIB_REQUIRED       += mthumb/march=armv8-m.main+fp/mfloat-abi=hard
  51 MULTILIB_REQUIRED       += mthumb/march=armv8-m.main+fp/mfloat-abi=softfp
  52 MULTILIB_REQUIRED       += mthumb/march=armv8-m.main+fp.dp/mfloat-abi=hard
  53 MULTILIB_REQUIRED       += mthumb/march=armv8-m.main+fp.dp/mfloat-abi=softfp
  54 MULTILIB_REQUIRED       += mthumb/march=armv8.1-m.main+mve/mfloat-abi=hard
  55
  56 MULTILIB_REQUIRED       += mthumb/march=armv8.1-m.main+pacbti/mbranch-protection=standard/mfloat-abi=soft
  57 MULTILIB_REQUIRED       += mthumb/march=armv8.1-m.main+pacbti+fp/mbranch-protection=standard/mfloat-abi=softfp
  58 MULTILIB_REQUIRED       += mthumb/march=armv8.1-m.main+pacbti+fp/mbranch-protection=standard/mfloat-abi=hard
  59 MULTILIB_REQUIRED       += mthumb/march=armv8.1-m.main+pacbti+fp.dp/mbranch-protection=standard/mfloat-abi=softfp
  60 MULTILIB_REQUIRED       += mthumb/march=armv8.1-m.main+pacbti+fp.dp/mbranch-protection=standard/mfloat-abi=hard
  61 MULTILIB_REQUIRED       += mthumb/march=armv8.1-m.main+pacbti+mve/mbranch-protection=standard/mfloat-abi=hard
  62
  63 # Arch Matches
  64 MULTILIB_MATCHES        += march?armv6s-m=march?armv6-m
  65
  66 # For all MULITIB_MATCHES for v8-m and above add mlibarch? on the right hand side
  67 # of = in the variant string instead of march?.  This is needed because all the
  68 # MULITIB_MATCHES variant strings are compared with mlibarch option for multilib
  69 # linking.
  70
  71 # Map all v8-m.main+dsp FP variants down to the variant without DSP.
  72 MULTILIB_MATCHES        += march?armv8-m.main=mlibarch?armv8-m.main+dsp \
  73                            $(foreach FP, +fp +fp.dp, \
  74                              march?armv8-m.main$(FP)=mlibarch?armv8-m.main+dsp$(FP))
  75
  76 # For single-precision only fpv5, use the base fp libraries
  77 MULTILIB_MATCHES        += march?armv7e-m+fp=march?armv7e-m+fpv5
  78
  79 # Softfp but no FP.  Use the soft-float libraries.
  80 MULTILIB_REUSE          += $(foreach ARCH, armv6s-m armv7-m armv7e-m armv8-m\.base armv8-m\.main, \
  81                              mthumb/march.$(ARCH)/mfloat-abi.soft=mthumb/march.$(ARCH)/mfloat-abi.softfp)
  82
  83 # Map v8.1-M to v8-M.
  84 MULTILIB_MATCHES        += march?armv8-m.main=mlibarch?armv8.1-m.main
  85 MULTILIB_MATCHES        += march?armv8-m.main=mlibarch?armv8.1-m.main+dsp
  86 MULTILIB_REUSE          += mthumb/march.armv8-m\.main/mfloat-abi.soft=mthumb/march.armv8\.1-m\.main+mve/mfloat-abi.soft
  87 MULTILIB_REUSE          += mthumb/march.armv8-m\.main/mfloat-abi.soft=mthumb/march.armv8\.1-m\.main+mve/mfloat-abi.softfp
  88
  89 v8_1m_sp_variants = +fp +dsp+fp +mve.fp +fp+mve
  90 v8_1m_dp_variants = +fp.dp +dsp+fp.dp +fp.dp+mve +fp.dp+mve.fp
  91
  92 # Map all v8.1-m.main FP sp variants down to v8-m.
  93 MULTILIB_MATCHES += $(foreach FP, $(v8_1m_sp_variants), \
  94                              march?armv8-m.main+fp=mlibarch?armv8.1-m.main$(FP))
  95
  96 # Map all v8.1-m.main FP dp variants down to v8-m.
  97 MULTILIB_MATCHES += $(foreach FP, $(v8_1m_dp_variants), \
  98                              march?armv8-m.main+fp.dp=mlibarch?armv8.1-m.main$(FP))
  99
 100 # Map all mbranch-protection values other than 'none' to 'standard'.
 101 MULTILIB_MATCHES        += mbranch-protection?standard=mbranch-protection?bti
 102 MULTILIB_MATCHES        += mbranch-protection?standard=mbranch-protection?pac-ret
 103 MULTILIB_MATCHES        += mbranch-protection?standard=mbranch-protection?pac-ret+leaf
 104 MULTILIB_MATCHES        += mbranch-protection?standard=mbranch-protection?pac-ret+bti
 105 MULTILIB_MATCHES        += mbranch-protection?standard=mbranch-protection?pac-ret+leaf+bti
 106 MULTILIB_MATCHES        += mbranch-protection?standard=mbranch-protection?bti+pac-ret
 107 MULTILIB_MATCHES        += mbranch-protection?standard=mbranch-protection?bti+pac-ret+leaf
 108 MULTILIB_MATCHES        += mbranch-protection?standard=mbranch-protection?standard+leaf
 109
 110 # For all the MULTILIB_REQUIRED for v8-m and above, add MULTILIB_MATCHES which
 111 # maps mlibarch with march for multilib linking.
 112 MULTILIB_MATCHES        += march?armv8-m.main=mlibarch?armv8-m.main
 113 MULTILIB_MATCHES        += march?armv8-m.main+fp=mlibarch?armv8-m.main+fp
 114 MULTILIB_MATCHES        += march?armv8-m.main+fp.dp=mlibarch?armv8-m.main+fp.dp
 115 MULTILIB_MATCHES        += march?armv8.1-m.main+mve=mlibarch?armv8.1-m.main+mve
 116
 117 # For -mbranch-protection=none and +pacbti reuses the existing non pacbti
 118 # multilibs.
 119 MULTILIB_REUSE          += $(foreach OPT, fp fp\.dp, \
 120                              mthumb/march.armv8-m\.main+$(OPT)/mfloat-abi.softfp=mthumb/march.armv8\.1-m\.main+pacbti+$(OPT)/mfloat-abi.softfp)
 121 MULTILIB_REUSE          += $(foreach OPT, fp fp\.dp, \
 122                              mthumb/march.armv8-m\.main+$(OPT)/mfloat-abi.hard=mthumb/march.armv8\.1-m\.main+pacbti+$(OPT)/mfloat-abi.hard)
 123
 124 MULTILIB_REUSE          += $(foreach OPT, pacbti pacbti+mve, \
 125                              mthumb/march.armv8-m\.main/mfloat-abi.soft=mthumb/march.armv8\.1-m\.main+$(OPT)/mfloat-abi.soft)
 126 MULTILIB_REUSE          += $(foreach OPT, pacbti pacbti+mve, \
 127                              mthumb/march.armv8-m\.main/mfloat-abi.soft=mthumb/march.armv8\.1-m\.main+$(OPT)/mfloat-abi.softfp)
 128
 129 MULTILIB_REUSE          += mthumb/march.armv8\.1-m\.main+mve/mfloat-abi.hard=mthumb/march.armv8\.1-m\.main+pacbti+mve/mfloat-abi.hard
 130
 131 pacbti_fp_variants =  fp fp+mve mve.fp fp+mve.fp
 132 pacbti_dp_variants = fp.dp fp.dp+mve fp.dp+mve.fp
 133
 134 # For -mbranch-protection=standard and +pacbti linking to existing pacbti
 135 # multlibs.
 136 MULTILIB_MATCHES        += march?armv8.1-m.main+pacbti=mlibarch?armv8.1-m.main+pacbti
 137 MULTILIB_MATCHES        += march?armv8.1-m.main+pacbti=mlibarch?armv8.1-m.main+pacbti+dsp
 138 MULTILIB_MATCHES        += march?armv8.1-m.main+pacbti=mlibarch?armv8.1-m.main+dsp+pacbti
 139 MULTILIB_MATCHES        += march?armv8.1-m.main+pacbti+mve=mlibarch?armv8.1-m.main+pacbti+mve
 140 MULTILIB_MATCHES        += march?armv8.1-m.main+pacbti+mve=mlibarch?armv8.1-m.main+pacbti+dsp+mve
 141 MULTILIB_MATCHES        += march?armv8.1-m.main+pacbti+mve=mlibarch?armv8.1-m.main+dsp+pacbti+mve
 142
 143 MULTILIB_MATCHES        += $(foreach OPT, $(pacbti_fp_variants), \
 144                              march?armv8.1-m.main+pacbti+fp=mlibarch?armv8.1-m.main+pacbti+$(OPT))
 145
 146 MULTILIB_MATCHES        += $(foreach OPT, $(pacbti_fp_variants), \
 147                              march?armv8.1-m.main+pacbti+fp=mlibarch?armv8.1-m.main+pacbti+dsp+$(OPT))
 148
 149 MULTILIB_MATCHES        += $(foreach OPT, $(pacbti_dp_variants), \
 150                              march?armv8.1-m.main+pacbti+fp.dp=mlibarch?armv8.1-m.main+pacbti+$(OPT))
 151
 152 MULTILIB_MATCHES        += $(foreach OPT, $(pacbti_dp_variants), \
 153                              march?armv8.1-m.main+pacbti+fp.dp=mlibarch?armv8.1-m.main+pacbti+dsp+$(OPT))
 154
 155 MULTILIB_MATCHES        += $(foreach OPT, $(pacbti_fp_variants), \
 156                              march?armv8.1-m.main+pacbti+fp=mlibarch?armv8.1-m.main+dsp+pacbti+$(OPT))
 157
 158 MULTILIB_MATCHES        += $(foreach OPT, $(pacbti_dp_variants), \
 159                              march?armv8.1-m.main+pacbti+fp.dp=mlibarch?armv8.1-m.main+dsp+pacbti+$(OPT))