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Subject: [Bug target/99881] Regression compare -O2 -ftree-vectorize with -O2
 on SKX/CLX
Date: Wed, 28 Jul 2021 02:48:54 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99881

--- 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:872da9a6f664a06d73c987aa0cb2e5b830158a10

commit r12-2549-g872da9a6f664a06d73c987aa0cb2e5b830158a10
Author: liuhongt <hongtao.liu@intel.com>
Date:   Fri Mar 26 10:56:47 2021 +0800

    Add the member integer_to_sse to processor_cost as a cost simulation for
movd/pinsrd. It will be used to calculate the cost of vec_construct.

    gcc/ChangeLog:

            PR target/99881
            * config/i386/i386.h (processor_costs): Add new member
            integer_to_sse.
            * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
            i486_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
            geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
            bdver_cost, znver1_cost, znver2_cost, znver3_cost,
            btver1_cost, btver2_cost, btver3_cost, pentium4_cost,
            nocona_cost, atom_cost, atom_cost, slm_cost, intel_cost,
            generic_cost, core_cost): Initialize integer_to_sse same value
            as sse_op.
            (skylake_cost): Initialize integer_to_sse twice as much as sse_=
op.
            * config/i386/i386.c (ix86_builtin_vectorization_cost):
            Use integer_to_sse instead of sse_op to calculate the cost of
            vec_construct.

    gcc/testsuite/ChangeLog:

            PR target/99881
            * gcc.target/i386/pr99881.c: New test.=