https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95488
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Last reconfirmed| |2020-06-16
Resolution|FIXED |---
Ever confirmed|0 |1
--- Comment #8 from H.J. Lu <hjl.tools at gmail dot com> ---
-march=skylake-avx512 gave:
[hjl@gnu-cfl-2 gcc]$
/export/build/gnu/tools-build/gcc-debug/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/tools-build/gcc-debug/build-x86_64-linux/gcc/
/export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.target/i386/avx512bw-pr95488-1.c
-march=skylake-avx512 -fno-diagnostics-show-caret
-fno-diagnostics-show-line-numbers -fdiagnostics-color=never
-fdiagnostics-urls=never -O2 -ffat-lto-objects -fno-ident -S -o
avx512bw-pr95488-1.s
[hjl@gnu-cfl-2 gcc]$ cat avx512bw-pr95488-1.s
.file "avx512bw-pr95488-1.c"
.text
.p2align 4
.globl mul_512
.type mul_512, @function
mul_512:
.LFB0:
.cfi_startproc
vpunpcklbw %ymm0, %ymm0, %ymm3
vpunpcklbw %ymm1, %ymm1, %ymm2
vpunpckhbw %ymm0, %ymm0, %ymm0
vpunpckhbw %ymm1, %ymm1, %ymm1
vpmullw %ymm3, %ymm2, %ymm2
vpmullw %ymm0, %ymm1, %ymm1
vpshufb .LC0(%rip), %ymm2, %ymm0
vpshufb .LC1(%rip), %ymm1, %ymm1
vpor %ymm1, %ymm0, %ymm0
ret
.cfi_endproc
.LFE0:
.size mul_512, .-mul_512
.p2align 4
.globl umul_512
.type umul_512, @function
umul_512:
.LFB1:
.cfi_startproc
vpunpcklbw %ymm0, %ymm0, %ymm3
vpunpcklbw %ymm1, %ymm1, %ymm2
vpunpckhbw %ymm0, %ymm0, %ymm0
vpunpckhbw %ymm1, %ymm1, %ymm1
vpmullw %ymm3, %ymm2, %ymm2
vpmullw %ymm0, %ymm1, %ymm1
vpshufb .LC0(%rip), %ymm2, %ymm0
vpshufb .LC1(%rip), %ymm1, %ymm1
vpor %ymm1, %ymm0, %ymm0
ret
.cfi_endproc
.LFE1:
.size umul_512, .-umul_512
