https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89268
Bug ID: 89268
Summary: [9 Regression] r268689 caused FAIL:
gcc.dg/vect/pr79887.c
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
CC: rguenther at suse dot de
Target Milestone: ---
r268689 caused:
[hjl@gnu-skx-1 gcc-bisect]$ cat gcc/gcc/testsuite/gcc.dg/vect/pr79887.c
/* Test for pr79887. */
/* { dg-do compile } */
/* { dg-require-effective-target vect_condition } */
/* { dg-additional-options "-fno-trapping-math --param vect-epilogues-nomask=1"
} */
/* { dg-additional-options "-mavx512ifma" { target x86_64-*-* i?86-*-* } } */
void
foo (float a[32], float b[2][32])
{
int i;
for (i = 0; i < 32; i++)
a[i] = (b[0][i] > b[1][i]) ? b[0][i] : b[1][i];
}
[hjl@gnu-skx-1 gcc-bisect]$ ./master/268689/usr/bin/gcc -S
gcc/gcc/testsuite/gcc.dg/vect/pr79887.c -mavx512ifma -fno-trapping-math --param
vect-epilogues-nomask=1 -mtune=intel -O3
during GIMPLE pass: vect
gcc/gcc/testsuite/gcc.dg/vect/pr79887.c: In function \u2018foo\u2019:
gcc/gcc/testsuite/gcc.dg/vect/pr79887.c:8:1: internal compiler error:
Segmentation fault
8 | foo (float a[32], float b[2][32])
| ^~~
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.
[hjl@gnu-skx-1 gcc-bisect]$
