[Bug target/98348] [10/11 Regression] GCC 10.2 AVX512 Mask regression from GCC 9
cvs-commit at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Fri Jan 22 04:37:13 GMT 2021
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98348
--- Comment #17 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by hongtao Liu <liuhongt@gcc.gnu.org>:
https://gcc.gnu.org/g:ee78c20e74d30284fee36e22a64e86e45e676029
commit r11-6849-gee78c20e74d30284fee36e22a64e86e45e676029
Author: liuhongt <hongtao.liu@intel.com>
Date: Fri Dec 18 15:56:06 2020 +0800
Lower AVX512 vector comparison to AVX version when dest is vector.
gcc/ChangeLog:
PR target/96891
PR target/98348
* config/i386/sse.md (VI_128_256): New mode iterator.
(*avx_cmp<mode>3_1, *avx_cmp<mode>3_2, *avx_cmp<mode>3_3,
*avx_cmp<mode>3_4, *avx2_eq<mode>3, *avx2_pcmp<mode>3_1,
*avx2_pcmp<mode>3_2, *avx2_gt<mode>3): New
define_insn_and_split to lower avx512 vector comparison to avx
version when dest is vector.
(*<avx512>_cmp<mode>3,*<avx512>_cmp<mode>3,*<avx512>_ucmp<mode>3):
define_insn_and_split for negating the comparison result.
* config/i386/predicates.md (float_vector_all_ones_operand):
New predicate.
* config/i386/i386-expand.c (ix86_expand_sse_movcc): Use
general NOT operator without UNSPEC_MASKOP.
gcc/testsuite/ChangeLog:
PR target/96891
PR target/98348
* gcc.target/i386/avx512bw-pr96891-1.c: New test.
* gcc.target/i386/avx512f-pr96891-1.c: New test.
* gcc.target/i386/avx512f-pr96891-2.c: New test.
* gcc.target/i386/avx512f-pr96891-3.c: New test.
* g++.target/i386/avx512f-pr96891-1.C: New test.
* gcc.target/i386/bitwise_mask_op-3.c: Adjust testcase.
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