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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/101846] Improve __builtin_shufflevector emitted code
Date: Mon, 16 Aug 2021 07:30:03 +0000 [thread overview]
Message-ID: <bug-101846-4-0SDg8gkLYz@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-101846-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101846
--- Comment #6 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:faf2b6bc527dff31725dde5538ffff1c92688047
commit r12-2919-gfaf2b6bc527dff31725dde5538ffff1c92688047
Author: liuhongt <hongtao.liu@intel.com>
Date: Mon Aug 16 11:16:52 2021 +0800
Optimize __builtin_shuffle_vector.
1. Support vpermw/vpermb in ix86_expand_vec_one_operand_perm_avx512.
2. Support 256/128-bits vpermi2b ix86_expand_vec_perm_vpermt2.
3. Add define_insn_and_split to optimize specific vector permutation to
opmov{dw,wb,qd}.
gcc/ChangeLog:
PR target/101846
* config/i386/i386-expand.c (ix86_expand_vec_perm_vpermt2):
Support vpermi2b for V32QI/V16QImode.
(ix86_extract_perm_from_pool_constant): New function.
(ix86_expand_vec_one_operand_perm_avx512): Support
vpermw/vpermb under TARGET_AVX512BW/TARGET_AVX512VBMI.
(expand_vec_perm_1): Adjust comments for upper.
* config/i386/i386-protos.h (ix86_extract_perm_from_pool_constant):
New declare.
* config/i386/predicates.md (permvar_truncate_operand): New
predicate.
(pshufb_truncv4siv4hi_operand): Ditto.
(pshufb_truncv8hiv8qi_operand): Ditto.
* config/i386/sse.md (*avx512bw_permvar_truncv16siv16hi_1):
New pre_reload define_insn_and_split.
(*avx512f_permvar_truncv8siv8hi_1): Ditto.
(*avx512f_vpermvar_truncv8div8si_1): Ditto.
(*avx512f_permvar_truncv32hiv32qi_1): Ditto.
(*avx512f_permvar_truncv16hiv16qi_1): Ditto.
(*avx512f_permvar_truncv4div4si_1): Ditto.
(*avx512f_pshufb_truncv8hiv8qi_1): Ditto.
(*avx512f_pshufb_truncv4siv4hi_1): Ditto.
(*avx512f_pshufd_truncv2div2si_1): Ditto.
gcc/testsuite/ChangeLog:
PR target/101846
* gcc.target/i386/pr101846-2.c: New test.
* gcc.target/i386/pr101846-3.c: New test.
* gcc.target/i386/pr101846-4.c: New test.
next prev parent reply other threads:[~2021-08-16 7:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-10 13:14 [Bug target/101846] New: " jakub at gcc dot gnu.org
2021-08-10 14:30 ` [Bug target/101846] " rguenth at gcc dot gnu.org
2021-08-11 3:35 ` crazylht at gmail dot com
2021-08-12 1:53 ` crazylht at gmail dot com
2021-08-12 1:55 ` crazylht at gmail dot com
2021-08-12 6:03 ` cvs-commit at gcc dot gnu.org
2021-08-16 7:30 ` cvs-commit at gcc dot gnu.org [this message]
2021-12-15 1:50 ` pinskia at gcc dot gnu.org
2021-12-15 1:52 ` pinskia at gcc dot gnu.org
2021-12-15 3:25 ` crazylht at gmail dot com
2021-12-15 11:26 ` jakub at gcc dot gnu.org
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