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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/101804] float_vector_all_ones_operand should be used more Date: Tue, 10 Aug 2021 04:42:02 +0000 [thread overview] Message-ID: <bug-101804-4-aMegILF3wR@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-101804-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101804 --- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by H.J. Lu <hjl@gcc.gnu.org>: https://gcc.gnu.org/g:3d7ccbc1efbd475031a9a4a6110c531f71fbf631 commit r12-2829-g3d7ccbc1efbd475031a9a4a6110c531f71fbf631 Author: H.J. Lu <hjl.tools@gmail.com> Date: Fri Aug 6 12:32:01 2021 -0700 x86: Optimize load of const FP all bits set vectors Check float_vector_all_ones_operand for vector floating-point modes to optimize load of const floating-point all bits set vectors. gcc/ PR target/101804 * config/i386/constraints.md (BC): Document for integer SSE constant all bits set operand. (BF): New constraint for const floating-point all bits set vectors. * config/i386/i386.c (standard_sse_constant_p): Likewise. (standard_sse_constant_opcode): Likewise. * config/i386/sse.md (sseconstm1): New mode attribute. (mov<mode>_internal): Replace BC with <sseconstm1>. gcc/testsuite/ PR target/101804 * gcc.target/i386/avx2-gather-2.c: Pass -march=skylake instead of "-mavx2 -mtune=skylake". Scan vpcmpeqd.
next prev parent reply other threads:[~2021-08-10 4:42 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-06 19:14 [Bug target/101804] New: " hjl.tools at gmail dot com 2021-08-06 20:08 ` [Bug target/101804] " hjl.tools at gmail dot com 2021-08-10 4:42 ` cvs-commit at gcc dot gnu.org [this message] 2021-10-06 23:40 ` hjl.tools at gmail dot com 2022-12-25 6:44 ` pinskia at gcc dot gnu.org
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