https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96551
Bug ID: 96551
Summary: [10 Regression] FAIL: gcc.target/i386/vectorize8.c
(internal compiler error)
Product: gcc
Version: 10.2.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: crazylht at gmail dot com
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
Target: x86_64
ommit f098bc87dcae5646d11a351cfb55d0e1124c7f60
Author: liuhongt <hongtao....@intel.com>
Date: Mon Jul 20 10:13:58 2020 +0800
Using UNSPEC for vector compare to mask register.
For rtx like (eq:HI (V8SI 90) (V8SI 91)), cse will take it as a
boolean value and try to do some optimization. But it is not true for
vector compare, also other places in rtl passes hold the same
assumption.
caused:
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]16[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]16[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]16[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]32[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]32[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]32[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]64[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]64[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]64[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]8[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]8[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]8[\t ] 6
FAIL: gcc.target/i386/vectorize8.c (internal compiler error)
FAIL: gcc.target/i386/vectorize8.c (internal compiler error)
FAIL: gcc.target/i386/vectorize8.c (internal compiler error)
FAIL: gcc.target/i386/vectorize8.c (test for excess errors)
FAIL: gcc.target/i386/vectorize8.c (test for excess errors)
FAIL: gcc.target/i386/vectorize8.c (test for excess errors)
with
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/vectorize8.c --target_board='unix{-m64\
-march=cascadelake,-m32\ -march=cascadelake}'"
