https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88347
Bug ID: 88347 Summary: ICE in begin_move_insn, at sched-ebb.c:175 Product: gcc Version: unknown Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- Target: powerpc-*-linux-gnu gcc-9.0.0-alpha20181202 snapshot (r266729) ICEs when compiling gcc/testsuite/gcc.target/powerpc/ppc-switch-2.c w/ -mcpu=603e -O1 -fsched-stalled-insns -fsched2-use-superblocks -fschedule-insns2 -fno-dce -fno-guess-branch-probability --param max-cse-insns=4: % powerpc-e300c3-linux-gnu-gcc-9.0.0-alpha20181202 -mcpu=603e -O1 -fsched-stalled-insns -fsched2-use-superblocks -fschedule-insns2 -fno-dce -fno-guess-branch-probability --param max-cse-insns=4 -c gcc/testsuite/gcc.target/powerpc/ppc-switch-2.c during RTL pass: sched2 gcc/testsuite/gcc.target/powerpc/ppc-switch-2.c: In function 'test_switch': gcc/testsuite/gcc.target/powerpc/ppc-switch-2.c:32:1: internal compiler error: in begin_move_insn, at sched-ebb.c:175 32 | } | ^ 0x759da8 begin_move_insn /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/sched-ebb.c:175 0x145ec0b commit_schedule /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/haifa-sched.c:6228 0x1469a90 schedule_block(basic_block_def**, void*) /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/haifa-sched.c:7065 0x14f47e9 schedule_ebb(rtx_insn*, rtx_insn*, bool) /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/sched-ebb.c:537 0x14f4f64 schedule_ebbs() /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/sched-ebb.c:657 0xcc2eac rest_of_handle_sched2 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/sched-rgn.c:3738 0xcc2eac execute /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-9.0.0_alpha20181202/work/gcc-9-20181202/gcc/sched-rgn.c:3876