https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87439
Bug ID: 87439
Summary: [9 regression] ICE in ix86_mode_needed, at
config/i386/i386.c:18907
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: ro at gcc dot gnu.org
CC: ubizjak at gmail dot com
Target Milestone: ---
Host: i386-pc-solaris2.11
Target: i386-pc-solaris2.11
Build: i386-pc-solaris2.11
Between 20180924 (r264536) and 20180925 (r264580), two testcases started to
FAIL
on 32-bit Solaris/x86:
+FAIL: gcc.target/i386/avx-vzeroupper-16.c (internal compiler error)
+FAIL: gcc.target/i386/avx-vzeroupper-16.c (test for excess errors)
+UNRESOLVED: gcc.target/i386/avx-vzeroupper-16.c scan-assembler-times
avx_vzeroupper 1
+FAIL: gcc.target/i386/avx-vzeroupper-17.c (internal compiler error)
+FAIL: gcc.target/i386/avx-vzeroupper-17.c (test for excess errors)
+UNRESOLVED: gcc.target/i386/avx-vzeroupper-17.c scan-assembler-times
avx_vzeroupper 1
Excess errors:
during RTL pass: vzeroupper
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.target/i386/avx-vzeroupper-16.c:14:1:
internal compiler error: in ix86_mode_needed, at config/i386/i386.c:18907
0x9372f22 ix86_mode_needed
/vol/gcc/src/hg/trunk/local/gcc/config/i386/i386.c:18907
0x992c83f optimize_mode_switching
/vol/gcc/src/hg/trunk/local/gcc/mode-switching.c:604
0x992c83f execute
/vol/gcc/src/hg/trunk/local/gcc/mode-switching.c:892
0x8ef162a gcc::pass_manager::execute_pass_mode_switching()
/vol/gcc/src/hg/trunk/local/gcc/passes.c:126
0x935b949 rest_of_handle_insert_vzeroupper
/vol/gcc/src/hg/trunk/local/gcc/config/i386/i386.c:888
0x935b949 execute
/vol/gcc/src/hg/trunk/local/gcc/config/i386/i386.c:2508
