-# Copyright (C) 2012-2018 Free Software Foundation, Inc.
+# Copyright (C) 2012-2022 Free Software Foundation, Inc.
#
# This file is part of GCC.
#
# 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
-MULTI_ARCH_DIRS_A = v7-a v7-a+fp v7-a+simd v7ve+simd v8-a v8-a+simd
+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=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)$(ARCH)))
+
# Neither FP nor SIMD: map v7ve to v7-a
MULTILIB_MATCHES += march?armv7-a=march?armv7ve
march?armv8-a+simd=march?armv8.2-a$(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, \
+ $(foreach ARCH, armv7-a+fp armv7-a+simd armv7ve+simd armv8-a+simd armv9-a+simd, \
mthumb/march.$(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, \
+ $(foreach ARCH, armv7-a armv8-a armv9-a, \
mthumb/march.$(ARCH)/mfloat-abi.soft=m$(MODE)/march.$(ARCH)/mfloat-abi.softfp))