https://llvm.org/bugs/show_bug.cgi?id=20072
Simon Pilgrim <llvm-...@redking.me.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |llvm-...@redking.me.uk
Resolution|--- |FIXED
--- Comment #4 from Simon Pilgrim <llvm-...@redking.me.uk> ---
X86 builtin feature flags were added in 3.8:
clang -c -march=athlon64
<source>:4:15: error: '__builtin_ia32_storeups256' needs target feature avx
void test() { __builtin_ia32_storeups256(0, a); }
^
1 error generated.
Compiler exited with result code 1
clang -c -march=athlon64 -mavx
test(): # @test()
pushq %rbp
movq %rsp, %rbp
vmovaps a(%rip), %ymm0
vmovups %ymm0, 0
popq %rbp
vzeroupper
retq
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