https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96072
Bug ID: 96072 Summary: ICE: Segmentation fault (in add_reg_note) Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- Target: powerpc-*-linux-gnu gcc-11.0.0 snapshot (g:cc9a9229285a26ac12bc8de53237ce9c4d42f867) ICEs when compiling gcc/testsuite/gcc.target/pru/clobber-sp.c w/ -O1: % powerpc-e300c3-linux-gnu-gcc-11.0.0 -O1 -w -c gcc/testsuite/gcc.target/pru/clobber-sp.c during RTL pass: pro_and_epilogue gcc/testsuite/gcc.target/pru/clobber-sp.c: In function 'test1': gcc/testsuite/gcc.target/pru/clobber-sp.c:24:1: internal compiler error: Segmentation fault 24 | } | ^ 0xe74ba6 crash_signal /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/work/gcc-11-20200705/gcc/toplev.c:328 0xe09f99 add_reg_note(rtx_def*, reg_note, rtx_def*) /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/work/gcc-11-20200705/gcc/rtlanal.c:2404 0x1271d6a rs6000_emit_epilogue(epilogue_type) /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/work/gcc-11-20200705/gcc/config/rs6000/rs6000-logue.c:4884 0x15803ce gen_epilogue() /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/work/gcc-11-20200705/gcc/config/rs6000/rs6000.md:13210 0x11f5bf8 target_gen_epilogue /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/work/gcc-11-20200705/gcc/config/rs6000/rs6000.md:10475 0xb2d46f make_epilogue_seq /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/work/gcc-11-20200705/gcc/function.c:5822 0xb2d55f thread_prologue_and_epilogue_insns() /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/work/gcc-11-20200705/gcc/function.c:5904 0xb2dc86 rest_of_handle_thread_prologue_and_epilogue /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/work/gcc-11-20200705/gcc/function.c:6394 0xb2dc86 execute /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-11.0.0_alpha20200705/work/gcc-11-20200705/gcc/function.c:6470