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
