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[Bug target/72805] AVX512: invalid code generation involving masks
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 04 Aug 2016 20:51:12 +0000
- Subject: [Bug target/72805] AVX512: invalid code generation involving masks
- Auto-submitted: auto-generated
- References: <bug-72805-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72805
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-08-04
Ever confirmed|0 |1
--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> ---
Indeed, there are a couple of intrinsics in avx512fintrin.h defined under
#ifndef __OPTIMIZE__
with a wrong cast to (__mmask8) instead of (__mmask16), e.g.:
#define _mm512_cmp_epi32_mask(X, Y, P) \
- ((__mmask8) __builtin_ia32_cmpd512_mask ((__v16si)(__m512i)(X), \
- (__v16si)(__m512i)(Y), (int)(P),\
- (__mmask16)-1))
+ ((__mmask16) __builtin_ia32_cmpd512_mask ((__v16si)(__m512i)(X), \
+ (__v16si)(__m512i)(Y), (int)(P), \
+ (__mmask16)-1))
I have an obvious patch.