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toolchain/arm: Fix crash caused by clang compiling with -mfpu=fpv5-d16 and -march=armv8.1-m.main+mve.fp+fp.dp #16711

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Merged
xiaoxiang781216 merged 1 commit into from
Jul 11, 2025
Merged

toolchain/arm: Fix crash caused by clang compiling with -mfpu=fpv5-d16 and -march=armv8.1-m.main+mve.fp+fp.dp #16711

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12 changes: 10 additions & 2 deletions arch/arm/src/armv8-m/Toolchain.defs
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Original file line number Diff line number Diff line change
Expand Up @@ -81,14 +81,22 @@ else ifeq ($(CONFIG_ARCH_CORTEXM55),y)
TOOLCHAIN_MARCH := -march=armv8.1-m.main$(EXTCPUFLAGS)
LLVM_CPUTYPE := cortex-m55
ifeq ($(CONFIG_ARCH_FPU),y)
TOOLCHAIN_MFLOAT := -mfpu=fpv5-d16
ifeq ($(CONFIG_ARCH_TOOLCHAIN_GCC),y)
TOOLCHAIN_MFLOAT := -mfpu=fpv5-d16
else ifeq ($(CONFIG_ARCH_TOOLCHAIN_CLANG),y)
TOOLCHAIN_MFLOAT := -mfpu=fp-armv8-fullfp16-d16
endif
endif
else ifeq ($(CONFIG_ARCH_CORTEXM85),y)
TOOLCHAIN_MTUNE := -mtune=cortex-m85
TOOLCHAIN_MARCH := -march=armv8.1-m.main$(EXTCPUFLAGS)
LLVM_CPUTYPE := cortex-m85
ifeq ($(CONFIG_ARCH_FPU),y)
TOOLCHAIN_MFLOAT := -mfpu=fpv5-d16
ifeq ($(CONFIG_ARCH_TOOLCHAIN_GCC),y)
TOOLCHAIN_MFLOAT := -mfpu=fpv5-d16
else ifeq ($(CONFIG_ARCH_TOOLCHAIN_CLANG),y)
TOOLCHAIN_MFLOAT := -mfpu=fp-armv8-fullfp16-d16
endif
endif
endif

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