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[FMV][AArch64] Skip test aarch64-init-cpu-features if runtime unavailable #270

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[FMV][AArch64] Skip test aarch64-init-cpu-features if runtime unavailable #270

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21 changes: 21 additions & 0 deletions SingleSource/Benchmarks/Misc/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -23,4 +23,25 @@ RUNTIMELIMIT:=10800
endif
endif

ifeq ($(ARCH),AArch64)
ifeq ($(TARGET_OS),Darwin)
SYMBOL = __init_cpu_features_resolver
endif
ifeq ($(TARGET_OS),Linux)
SYMBOL = __init_cpu_features
endif
SYMBOL := $(shell echo "extern void $(SYMBOL)(void); void (*p)() = $(SYMBOL); int main() {}" | \
$(TARGET_LLVMGCC) --rtlib=compiler-rt -x c - -o /dev/null 2>/dev/null && \
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I am not sure whether $(TARGET_LLVMGCC) is the right compiler. Also whether --rtlib=compiler-rt should be inferred from the existing CFLAGS

echo $(SYMBOL) || echo undefined)
ifeq ($(SYMBOL),__init_cpu_features_resolver)
CFLAGS += --rtlib=compiler-rt -DHAS_DARWIN_FMV
endif
ifeq ($(SYMBOL),__init_cpu_features)
CFLAGS += --rtlib=compiler-rt -DHAS_LINUX_FMV
endif
ifeq ($(SYMBOL),undefined)
PROGRAMS_TO_SKIP := aarch64-init-cpu-features
endif
endif

include $(LEVEL)/SingleSource/Makefile.singlesrc