https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84226
Bug ID: 84226
Summary: [8 Regression] ICE in simplify_const_unary_operation,
at simplify-rtx.c:1974 on ppc64le
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: segher at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-linux-gnu
Target: powerpc64le-unknown-linux-gnu
It's probably GCC 8 regression:
$ ppc64le-linux-gnu-gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/powerpc/builtins-revb-runnable.c
-mpower9-misc -c -O1
during RTL pass: cse1
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/powerpc/builtins-revb-runnable.c:
In function ‘main’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/powerpc/builtins-revb-runnable.c:342:1:
internal compiler error: in simplify_const_unary_operation, at
simplify-rtx.c:1974
}
^
0xb54efd simplify_const_unary_operation(rtx_code, machine_mode, rtx_def*,
machine_mode)
.././../gcc/simplify-rtx.c:1974
0xb520c0 simplify_unary_operation(rtx_code, machine_mode, rtx_def*,
machine_mode)
.././../gcc/simplify-rtx.c:879
0xb538d3 simplify_const_unary_operation(rtx_code, machine_mode, rtx_def*,
machine_mode)
.././../gcc/simplify-rtx.c:1775
0xb520c0 simplify_unary_operation(rtx_code, machine_mode, rtx_def*,
machine_mode)
.././../gcc/simplify-rtx.c:879
0x11c4089 fold_rtx
.././../gcc/cse.c:3325
0x11c525f cse_insn
.././../gcc/cse.c:4671
0x11ca2ba cse_extended_basic_block
.././../gcc/cse.c:6601
0x11ca2ba cse_main
.././../gcc/cse.c:6780
0x11cac87 rest_of_handle_cse
.././../gcc/cse.c:7610
0x11cac87 execute
.././../gcc/cse.c:7653
