| # Copyright (C) 2012-2022 Free Software Foundation, Inc. |
| # |
| # This file is part of GCC. |
| # |
| # GCC is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3, or (at your option) |
| # any later version. |
| # |
| # GCC is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with GCC; see the file COPYING3. If not see |
| # <http://www.gnu.org/licenses/>. |
| |
| # This is a target makefile fragment that attempts to get |
| # multilibs built for the range of CPU's, FPU's and ABI's that |
| # are relevant for the A-profile architecture. It should |
| # not be used in conjunction with another make file fragment and |
| # assumes --with-arch, --with-cpu, --with-fpu, --with-float, --with-mode |
| # have their default values during the configure step. We enforce |
| # this during the top-level configury. |
| |
| # Arch and FPU variants to build libraries with |
| |
| 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 |
| MULTI_ARCH_DIRS_A = v7-a v7-a+fp v7-a+simd v7ve+simd v8-a v8-a+simd v9-a v9-a+simd |
| |
| # ARMv7-A - build nofp, fp-d16 and SIMD variants |
| |
| MULTILIB_REQUIRED += mthumb/march=armv7-a/mfloat-abi=soft |
| MULTILIB_REQUIRED += mthumb/march=armv7-a+fp/mfloat-abi=hard |
| MULTILIB_REQUIRED += mthumb/march=armv7-a+fp/mfloat-abi=softfp |
| MULTILIB_REQUIRED += mthumb/march=armv7-a+simd/mfloat-abi=hard |
| MULTILIB_REQUIRED += mthumb/march=armv7-a+simd/mfloat-abi=softfp |
| |
| # ARMv7VE - only build a SIMD (+VFPv4) variant. |
| MULTILIB_REQUIRED += mthumb/march=armv7ve+simd/mfloat-abi=hard |
| MULTILIB_REQUIRED += mthumb/march=armv7ve+simd/mfloat-abi=softfp |
| |
| # ARMv8-A - build nofp and SIMD variants. |
| MULTILIB_REQUIRED += mthumb/march=armv8-a/mfloat-abi=soft |
| MULTILIB_REQUIRED += mthumb/march=armv8-a+simd/mfloat-abi=hard |
| MULTILIB_REQUIRED += mthumb/march=armv8-a+simd/mfloat-abi=softfp |
| |
| # Armv9-A - build nofp and SIMD variants. |
| MULTILIB_REQUIRED += mthumb/march=armv9-a/mfloat-abi=soft |
| MULTILIB_REQUIRED += mthumb/march=armv9-a+simd/mfloat-abi=hard |
| MULTILIB_REQUIRED += mthumb/march=armv9-a+simd/mfloat-abi=softfp |
| |
| # Matches |
| |
| # Arch Matches |
| # Map all basic v7-a arch extensions to v7-a |
| MULTILIB_MATCHES += $(foreach ARCH, $(v7_a_arch_variants), \ |
| march?armv7-a=march?armv7-a$(ARCH)) |
| |
| # Map all v7-a FP variants to vfpv3-d16 (+fp) |
| MULTILIB_MATCHES += $(foreach ARCH, $(filter-out +fp, $(v7_a_nosimd_variants)), \ |
| march?armv7-a+fp=march?armv7-a$(ARCH)) |
| |
| MULTILIB_MATCHES += $(foreach ARCHVAR, $(v7_a_arch_variants), \ |
| $(foreach ARCH, $(v7_a_nosimd_variants), \ |
| march?armv7-a+fp=march?armv7-a$(ARCHVAR)$(ARCH))) |
| |
| # Map all v7-a SIMD variants to neon-vfpv3 (+simd) |
| MULTILIB_MATCHES += $(foreach ARCH, $(filter-out +simd, $(v7_a_simd_variants)), \ |
| march?armv7-a+simd=march?armv7-a$(ARCH)) |
| |
| MULTILIB_MATCHES += $(foreach ARCHVAR, $(v7_a_arch_variants), \ |
| $(foreach ARCH, $(v7_a_simd_variants), \ |
| march?armv7-a+simd=march?armv7-a$(ARCHVAR)$(ARCH))) |
| |
| # Neither FP nor SIMD: map v7ve to v7-a |
| MULTILIB_MATCHES += march?armv7-a=march?armv7ve |
| |
| # ARMv7ve FP-only variants: map down to v7-a+fp |
| MULTILIB_MATCHES += $(foreach ARCH, $(v7ve_nosimd_variants), \ |
| march?armv7-a+fp=march?armv7ve$(ARCH)) |
| |
| # ARMv7ve with SIMD, but SIMD is less capable than the default - map down to v7-a+simd |
| MULTILIB_MATCHES += $(foreach ARCH, $(v7ve_vfpv3_simd_variants), \ |
| march?armv7-a+simd=march?armv7ve$(ARCH)) |
| |
| # ARMv8 without SIMD: map down to base architecture |
| MULTILIB_MATCHES += $(foreach ARCH, $(v8_a_nosimd_variants), \ |
| march?armv8-a=march?armv8-a$(ARCH)) |
| |
| # ARMv8 with SIMD: map down to base arch + simd |
| MULTILIB_MATCHES += march?armv8-a+simd=march?armv8-a+crc+simd \ |
| $(foreach ARCH, $(filter-out +simd, $(v8_a_simd_variants)), \ |
| march?armv8-a+simd=march?armv8-a$(ARCH) \ |
| march?armv8-a+simd=march?armv8-a+crc$(ARCH)) |
| |
| # Baseline v8.1-a: map down to baseline v8-a |
| MULTILIB_MATCHES += march?armv8-a=march?armv8.1-a |
| |
| # Map all v8.1-a SIMD variants to v8-a+simd |
| MULTILIB_MATCHES += $(foreach ARCH, $(v8_1_a_simd_variants), \ |
| march?armv8-a+simd=march?armv8.1-a$(ARCH)) |
| |
| # Baseline v8.2-a: map down to baseline v8-a |
| MULTILIB_MATCHES += march?armv8-a=march?armv8.2-a |
| |
| # Baseline v8.3-a: map down to baseline v8-a |
| MULTILIB_MATCHES += march?armv8-a=march?armv8.3-a |
| |
| # Map all v8.2-a and v8.3-a SIMD variants to v8-a+simd |
| MULTILIB_MATCHES += $(foreach ARCH, $(v8_2_a_simd_variants), \ |
| march?armv8-a+simd=march?armv8.2-a$(ARCH) \ |
| march?armv8-a+simd=march?armv8.3-a$(ARCH)) |
| |
| # Baseline v8.4-a: map down to baseline v8-a |
| MULTILIB_MATCHES += march?armv8-a=march?armv8.4-a |
| |
| # Map all v8.4-a SIMD variants to v8-a+simd |
| MULTILIB_MATCHES += $(foreach ARCH, $(v8_4_a_simd_variants), \ |
| march?armv8-a+simd=march?armv8.4-a$(ARCH)) |
| |
| # Baseline v8.5-a: map down to baseline v8-a |
| MULTILIB_MATCHES += march?armv8-a=march?armv8.5-a |
| |
| # Map all v8.5-a SIMD variants to v8-a+simd |
| MULTILIB_MATCHES += $(foreach ARCH, $(v8_5_a_simd_variants), \ |
| march?armv8-a+simd=march?armv8.5-a$(ARCH)) |
| |
| # Baseline v8.6-a: map down to baseline v8-a |
| MULTILIB_MATCHES += march?armv8-a=march?armv8.6-a |
| |
| # Map all v8.6-a SIMD variants to v8-a+simd |
| MULTILIB_MATCHES += $(foreach ARCH, $(v8_6_a_simd_variants), \ |
| march?armv8-a+simd=march?armv8.6-a$(ARCH)) |
| |
| # Armv9 without SIMD: map down to base architecture |
| MULTILIB_MATCHES += $(foreach ARCH, $(v9_a_nosimd_variants), \ |
| march?armv9-a=march?armv9-a$(ARCH)) |
| |
| # Armv9 with SIMD: map down to base arch + simd |
| MULTILIB_MATCHES += march?armv9-a+simd=march?armv9-a+crc+simd \ |
| $(foreach ARCH, $(filter-out +simd, $(v9_a_simd_variants)), \ |
| march?armv9-a+simd=march?armv9-a$(ARCH) \ |
| march?armv9-a+simd=march?armv9-a+crc$(ARCH)) |
| |
| # Use Thumb libraries for everything. |
| |
| MULTILIB_REUSE += mthumb/march.armv7-a/mfloat-abi.soft=marm/march.armv7-a/mfloat-abi.soft |
| |
| MULTILIB_REUSE += mthumb/march.armv8-a/mfloat-abi.soft=marm/march.armv8-a/mfloat-abi.soft |
| |
| MULTILIB_REUSE += mthumb/march.armv9-a/mfloat-abi.soft=marm/march.armv9-a/mfloat-abi.soft |
| |
| MULTILIB_REUSE += $(foreach ABI, hard softfp, \ |
| $(foreach ARCH, armv7-a+fp armv7-a+simd armv7ve+simd armv8-a+simd armv9-a+simd, \ |
| mthumb/march.$(ARCH)/mfloat-abi.$(ABI)=marm/march.$(ARCH)/mfloat-abi.$(ABI))) |
| |
| # Softfp but no FP, use the soft-float libraries. |
| MULTILIB_REUSE += $(foreach MODE, arm thumb, \ |
| $(foreach ARCH, armv7-a armv8-a armv9-a, \ |
| mthumb/march.$(ARCH)/mfloat-abi.soft=m$(MODE)/march.$(ARCH)/mfloat-abi.softfp)) |