r265345 - in /trunk/gcc: ChangeLog config/i386/...

[hjl@gcc.gnu.org]

Author: hjl
Date: Sat Oct 20 20:41:10 2018
New Revision: 265345

URL: https://gcc.gnu.org/viewcvs?rev=265345&root=gcc&view=rev
Log:
i386: Enable AVX512 memory broadcast for FP div

Many AVX512 vector operations can broadcast from a scalar memory source.
This patch enables memory broadcast for FP div operations.

gcc/

	PR target/72782
	* config/i386/sse.md (*<avx512>_div<mode>3<mask_name>_bcst): New.

gcc/testsuite/

	PR target/72782
	* gcc.target/i386/avx512f-div-df-zmm-1.c: New test.
	* gcc.target/i386/avx512f-div-sf-zmm-1.c: Likewise.
	* gcc.target/i386/avx512f-div-sf-zmm-2.c: Likewise.
	* gcc.target/i386/avx512f-div-sf-zmm-3.c: Likewise.
	* gcc.target/i386/avx512f-div-sf-zmm-4.c: Likewise.
	* gcc.target/i386/avx512f-div-sf-zmm-5.c: Likewise.
	* gcc.target/i386/avx512vl-div-sf-xmm-1.c: Likewise.
	* gcc.target/i386/avx512vl-div-sf-ymm-1.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.target/i386/avx512f-div-df-zmm-1.c
    trunk/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-1.c
    trunk/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-2.c
    trunk/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-3.c
    trunk/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-4.c
    trunk/gcc/testsuite/gcc.target/i386/avx512f-div-sf-zmm-5.c
    trunk/gcc/testsuite/gcc.target/i386/avx512vl-div-sf-xmm-1.c
    trunk/gcc/testsuite/gcc.target/i386/avx512vl-div-sf-ymm-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/sse.md
    trunk/gcc/testsuite/ChangeLog