https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88032
Bug ID: 88032 Summary: [9 Regression] ICE in operand_subword_force, at emit-rtl.c:1793 Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: rguenth at gcc dot gnu.org Target Milestone: --- gcc.target/i386/pr80173.c started ICEing for me: /home/abuild/rguenther/obj-slpcost-g/gcc/xgcc -B/home/abuild/rguenther/obj-slpcost-g/gcc/ /space/rguenther/src/gcc-slpcost/gcc/testsuite/gcc.target/i386/pr80173.c -fno-diagnostics-show-caret -fno-diagnostics-show-line-numbers -fdiagnostics-color=never -O2 -ffixed-xmm7 -S -o pr80173.s during RTL pass: expand^M /space/rguenther/src/gcc-slpcost/gcc/testsuite/gcc.target/i386/pr80173.c: In function 'foo':^M /space/rguenther/src/gcc-slpcost/gcc/testsuite/gcc.target/i386/pr80173.c:12:21: internal compiler error: in operand_subword_force, at emit-rtl.c:1793^M 0xba6065 operand_subword_force(rtx_def*, poly_int<1u, unsigned long>, machine_mode)^M /space/rguenther/src/gcc-slpcost/gcc/emit-rtl.c:1793^M 0xf8e1ea expand_binop(machine_mode, optab_tag, rtx_def*, rtx_def*, rtx_def*, int, optab_methods)^M /space/rguenther/src/gcc-slpcost/gcc/optabs.c:1388^M 0xbdc326 store_fixed_bit_field_1^M /space/rguenther/src/gcc-slpcost/gcc/expmed.c:1289^M 0xbdbdf7 store_fixed_bit_field^M /space/rguenther/src/gcc-slpcost/gcc/expmed.c:1207^M 0xbdb27a store_integral_bit_field^M /space/rguenther/src/gcc-slpcost/gcc/expmed.c:1067^M 0xbda3f1 store_bit_field_1^M