* [r11-6351 Regression] FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwq 2 on Linux/x86_64
@ 2020-12-29 7:01 sunil.k.pandey
2021-01-07 6:30 ` Hongtao Liu
0 siblings, 1 reply; 2+ messages in thread
From: sunil.k.pandey @ 2020-12-29 7:01 UTC (permalink / raw)
To: gcc-patches, gcc-regression, hongyu.wang
On Linux/x86_64,
12ae2bc70846a2be8255eaa41322cd1a5a7b7350 is the first bad commit
commit 12ae2bc70846a2be8255eaa41322cd1a5a7b7350
Author: Hongyu Wang <hongyu.wang@intel.com>
Date: Fri Dec 25 09:25:39 2020 +0800
Fix standard name for zero/sign extend expanders
caused
FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbd 2
FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbq 2
FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbw 2
FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxdq 2
FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwd 2
FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwq 2
with GCC configured with
../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-6351/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap
To reproduce:
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr92658-avx512bw-2.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr92658-avx512bw-2.c --target_board='unix{-m64\ -march=cascadelake}'"
(Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [r11-6351 Regression] FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwq 2 on Linux/x86_64
2020-12-29 7:01 [r11-6351 Regression] FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwq 2 on Linux/x86_64 sunil.k.pandey
@ 2021-01-07 6:30 ` Hongtao Liu
0 siblings, 0 replies; 2+ messages in thread
From: Hongtao Liu @ 2021-01-07 6:30 UTC (permalink / raw)
To: GCC Patches; +Cc: hongyu.wang
[-- Attachment #1: Type: text/plain, Size: 1311 bytes --]
On Tue, Dec 29, 2020 at 3:01 PM sunil.k.pandey via Gcc-regression
<gcc-regression@gcc.gnu.org> wrote:
>
> On Linux/x86_64,
>
> 12ae2bc70846a2be8255eaa41322cd1a5a7b7350 is the first bad commit
> commit 12ae2bc70846a2be8255eaa41322cd1a5a7b7350
> Author: Hongyu Wang <hongyu.wang@intel.com>
> Date: Fri Dec 25 09:25:39 2020 +0800
>
> Fix standard name for zero/sign extend expanders
>
> caused
>
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbd 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbq 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxbw 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxdq 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwd 2
> FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwq 2
>
> with GCC configured with
>
> ../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-6351/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap
>
I'm going to checkin this patch as a simple fix for adjusting the testcase.
--
BR,
Hongtao
[-- Attachment #2: 0001-Adjust-testcase-for-PR-92658.patch --]
[-- Type: text/x-patch, Size: 1794 bytes --]
From 63abcccb7a375bae6dea8a7885de0232f20f175f Mon Sep 17 00:00:00 2001
From: Hongyu Wang <hongyu.wang@intel.com>
Date: Tue, 29 Dec 2020 15:14:09 +0800
Subject: [PATCH] Adjust testcase for PR 92658
gcc/testsuite/ChangeLog:
* testsuite/gcc.target/i386/pr92658-avx512bw.c: Add
-mprefer-vector-width=512 to avoid impact of different default
mtune which gcc is built with.
* testsuite/gcc.target/i386/pr92658-avx512bw-2.c: Ditto.
---
gcc/testsuite/gcc.target/i386/pr92658-avx512bw-2.c | 2 +-
gcc/testsuite/gcc.target/i386/pr92658-avx512bw.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/gcc/testsuite/gcc.target/i386/pr92658-avx512bw-2.c b/gcc/testsuite/gcc.target/i386/pr92658-avx512bw-2.c
index 811f21aa917..33eecbf3afa 100644
--- a/gcc/testsuite/gcc.target/i386/pr92658-avx512bw-2.c
+++ b/gcc/testsuite/gcc.target/i386/pr92658-avx512bw-2.c
@@ -1,6 +1,6 @@
/* PR target/92658 */
/* { dg-do compile } */
-/* { dg-options "-O2 -ftree-vectorize -mavx512bw" } */
+/* { dg-options "-O2 -ftree-vectorize -mavx512bw -mprefer-vector-width=512" } */
typedef char v64qi __attribute__((vector_size (64)));
typedef short v32hi __attribute__((vector_size (64)));
diff --git a/gcc/testsuite/gcc.target/i386/pr92658-avx512bw.c b/gcc/testsuite/gcc.target/i386/pr92658-avx512bw.c
index b1d54d24a81..2e8978481e1 100644
--- a/gcc/testsuite/gcc.target/i386/pr92658-avx512bw.c
+++ b/gcc/testsuite/gcc.target/i386/pr92658-avx512bw.c
@@ -1,6 +1,6 @@
/* PR target/92658 */
/* { dg-do compile } */
-/* { dg-options "-O2 -ftree-vectorize -mavx512bw" } */
+/* { dg-options "-O2 -ftree-vectorize -mavx512bw -mprefer-vector-width=512" } */
typedef unsigned char v64qi __attribute__((vector_size (64)));
typedef unsigned short v32hi __attribute__((vector_size (64)));
--
2.29.2
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2020-12-29 7:01 [r11-6351 Regression] FAIL: gcc.target/i386/pr92658-avx512bw-2.c scan-assembler-times pmovsxwq 2 on Linux/x86_64 sunil.k.pandey
2021-01-07 6:30 ` Hongtao Liu
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