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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/107432] __builtin_convertvector generates inefficient
 code
Date: Thu, 27 Jun 2024 08:06:57 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107432

--- Comment #10 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Hu <hulin@gcc.gnu.org>:

https://gcc.gnu.org/g:c320a7efcd35ba6c6be70dc9b2fe562a9673e363

commit r15-1677-gc320a7efcd35ba6c6be70dc9b2fe562a9673e363
Author: Hu, Lin1 <lin1.hu@intel.com>
Date:   Thu Feb 1 15:15:01 2024 +0800

    vect: generate suitable convert insn for int -> int, float -> float and=
 int
<-> float.

    gcc/ChangeLog:

            PR target/107432
            * tree-vect-generic.cc
            (expand_vector_conversion): Support convert for int -> int,
            float -> float and int <-> float.
            * tree-vect-stmts.cc (vectorizable_conversion): Wrap the
            indirect convert part.
            (supportable_indirect_convert_operation): New function.
            * tree-vectorizer.h (supportable_indirect_convert_operation):
            Define the new function.

    gcc/testsuite/ChangeLog:

            PR target/107432
            * gcc.target/i386/pr107432-1.c: New test.
            * gcc.target/i386/pr107432-2.c: Ditto.
            * gcc.target/i386/pr107432-3.c: Ditto.
            * gcc.target/i386/pr107432-4.c: Ditto.
            * gcc.target/i386/pr107432-5.c: Ditto.
            * gcc.target/i386/pr107432-6.c: Ditto.
            * gcc.target/i386/pr107432-7.c: Ditto.

--- Comment #11 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Hu <hulin@gcc.gnu.org>:

https://gcc.gnu.org/g:e5f8a39941f6f0f25dac88bd71fd368fb284a10f

commit r15-1678-ge5f8a39941f6f0f25dac88bd71fd368fb284a10f
Author: Hu, Lin1 <lin1.hu@intel.com>
Date:   Wed Feb 28 18:11:55 2024 +0800

    vect: Support v4hi -> v4qi.

    gcc/ChangeLog:

            PR target/107432
            * config/i386/mmx.md
            (VI2_32_64): New mode iterator.
            (mmxhalfmode): New mode atter.
            (mmxhalfmodelower): Ditto.
            (truncv2hiv2qi2): Extend mode v4hi and change name from
            truncv2hiv2qi to trunc<mode><mmxhalfmodelower>2.

    gcc/testsuite/ChangeLog:

            PR target/107432
            * gcc.target/i386/pr107432-1.c: Modify test.
            * gcc.target/i386/pr107432-6.c: Add test.
            * gcc.target/i386/pr108938-3.c: This patch supports
            truncv4hiv4qi affect bswap optimization, so I added
            the -mno-avx option for now, and open a bugzilla.=