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[compiler-rt][cmake] Test COMPILER_RT_HAS_AARCH64_SME with arm64 #10724

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[compiler-rt][cmake] Test COMPILER_RT_HAS_AARCH64_SME with arm64 #10724

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13 changes: 13 additions & 0 deletions compiler-rt/cmake/Modules/BuiltinTests.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -134,3 +134,16 @@ function(builtin_check_c_compiler_source output source)
endif()
endif()
endfunction()

function(builtin_check_c_compiler_source_with_flags output source flags)
if(NOT DEFINED ${output})
message(STATUS "Performing Test ${output}")
try_compile_only(result SOURCE ${source} FLAGS ${flags})
set(${output} ${result} CACHE INTERNAL "Compiler supports ${output} with ${flags}")
if(${result})
message(STATUS "Performing Test ${output} - Success")
else()
message(STATUS "Performing Test ${output} - Failed")
endif()
endif()
endfunction()
4 changes: 2 additions & 2 deletions compiler-rt/cmake/builtin-config-ix.cmake
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Expand Up @@ -41,14 +41,14 @@ asm(\".arch armv8-a+lse\");
asm(\"cas w0, w1, [x2]\");
")

builtin_check_c_compiler_source(COMPILER_RT_HAS_AARCH64_SME
builtin_check_c_compiler_source_with_flags(COMPILER_RT_HAS_AARCH64_SME
"
void foo(void) __arm_streaming_compatible {
asm(\".arch armv9-a+sme2\\n\"
\"smstart\\n\"
\"ldr zt0, [sp]\");
}
")
" "-target ${LLVM_TARGET_TRIPLE} -arch arm64")

check_include_files("sys/auxv.h" COMPILER_RT_HAS_AUXV)

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