[Bug target/101561] New: -msse4 -mno-crc32 doesn't disable CRC32 intrinsics
hjl.tools at gmail dot com
gcc-bugzilla@gcc.gnu.org
Wed Jul 21 17:15:01 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101561
Bug ID: 101561
Summary: -msse4 -mno-crc32 doesn't disable CRC32 intrinsics
Product: gcc
Version: 11.1.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
[hjl@gnu-cfl-2 tmp]$ cat x.c
#include <immintrin.h>
unsigned int
test_mm_crc32_u8(unsigned int CRC, unsigned char V)
{
return _mm_crc32_u8(CRC, V);
}
[hjl@gnu-cfl-2 tmp]$ gcc -S -O2 -msse4 -mno-crc32 x.c
[hjl@gnu-cfl-2 tmp]$
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