https://llvm.org/bugs/show_bug.cgi?id=26258
Bug ID: 26258
Summary: wrong feature suggested when using AVX maskstore
intrinsic
Product: clang
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: spatel+l...@rotateright.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
It would be better if the error message gave me the correct advice the first
time. :)
$ ./clang -v
clang version 3.9.0 (trunk 258513) (llvm/trunk 258512)
Target: x86_64-apple-darwin15.2.0
Thread model: posix
$ cat juke.c
#include <immintrin.h>
void juke(float *f, __m128i mask, __m128 v) {
_mm_maskstore_ps(f, mask, v);
}
$ ./clang -O1 juke.c -S
juke.c:4:3: error: always_inline function '_mm_maskstore_ps' requires target
feature 'sse4.2', but would be inlined into function 'juke' that is compiled
without support for 'sse4.2'
_mm_maskstore_ps(f, mask, v);
^
1 error generated.
$ ./clang -O1 juke.c -S -msse4.2
juke.c:4:3: error: always_inline function '_mm_maskstore_ps' requires target
feature 'avx', but would be inlined into function 'juke' that is compiled
without support for 'avx'
_mm_maskstore_ps(f, mask, v);
^
1 error generated.
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