================
@@ -21,10 +21,29 @@ typedef int __v2si __attribute__((__vector_size__(8)));
typedef short __v4hi __attribute__((__vector_size__(8)));
typedef char __v8qi __attribute__((__vector_size__(8)));
----------------
jyknight wrote:
IIUC, these files intentionally don't have any dependency on subtarget
preprocessor defines, in order that they can be used from functions with target
attributes. So I'm not sure if adding an `#ifndef __SSE2__` would be acceptable
here?
The current error is:
```
echo $'#include <mmintrin.h>\n__m64 f() { return _mm_cvtsi32_si64(5); }' |
build/bin/clang -march=pentium3 -m32 -S -o - -xc -
<stdin>:2:20: error: always_inline function '_mm_cvtsi32_si64' requires target
feature 'sse2', but would be inlined into function 'f' that is compiled without
support for 'sse2'
2 | __m64 f() { return _mm_cvtsi32_si64(5); }
| ^
1 error generated.
=> exit status: 1
```
https://github.com/llvm/llvm-project/pull/96540
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