https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101812
Bug ID: 101812
Summary: [12 Regression] ICE: Segmentation fault (in
ix86_expand_sse_movcc)
Product: gcc
Version: unknown
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: x86_64-unknown-linux-gnu
gcc-12.0.0-alpha20210801 (g:6f0c43e97825ee54e3779afbedcd0def12443001) ICEs when
compiling gcc/testsuite/gcc.target/arm/neon-vcond-ltgt.c w/ -O1
-ftree-loop-vectorize -fvect-cost-model=unlimited:
% x86_64-unknown-linux-gnu-gcc-12.0.0 -O1 -ftree-loop-vectorize
-fvect-cost-model=unlimited -c gcc/testsuite/gcc.target/arm/neon-vcond-ltgt.c
during RTL pass: expand
gcc/testsuite/gcc.target/arm/neon-vcond-ltgt.c: In function 'foo':
gcc/testsuite/gcc.target/arm/neon-vcond-ltgt.c:7:6: internal compiler error:
Segmentation fault
7 | void foo (int ilast,float* w, float* w2)
| ^~~
0xe4816f crash_signal
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/toplev.c:328
0x128d90a ix86_expand_sse_movcc(rtx_def*, rtx_def*, rtx_def*, rtx_def*)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/config/i386/i386-expand.c:3815
0x128f491 ix86_expand_fp_vcond(rtx_def**)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/config/i386/i386-expand.c:4685
0x167e4b9 gen_vcondv2sfv2sf(rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*,
rtx_def*)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/config/i386/mmx.md:908
0xd2af98 maybe_expand_insn(insn_code, unsigned int, expand_operand*)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/optabs.c:7835
0xd2af98 expand_insn(insn_code, unsigned int, expand_operand*)
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/optabs.c:7866
0xbb61d0 expand_vec_cond_optab_fn
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/internal-fn.c:2812
0x97e637 expand_call_stmt
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cfgexpand.c:2752
0x97e637 expand_gimple_stmt_1
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cfgexpand.c:3879
0x97e637 expand_gimple_stmt
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cfgexpand.c:4043
0x984889 expand_gimple_basic_block
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cfgexpand.c:6085
0x98663e execute
/var/tmp/portage/sys-devel/gcc-12.0.0_alpha20210801/work/gcc-12-20210801/gcc/cfgexpand.c:6811
