https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71733
Bug ID: 71733 Summary: ICE in vmx test cases with -mcpu=power9 Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: acsawdey at gcc dot gnu.org CC: bergner at gcc dot gnu.org, wschmidt at gcc dot gnu.org Target Milestone: --- Target: powerpc64le-linux Created attachment 38817 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38817&action=edit preprocessed test case tested against 237922: genoa 8839 -> /home/sawdey/src/gcc/trunk2/build/gcc/xgcc -B/home/sawdey/src/gcc/trunk2/build/gcc/ vmx_1b-04.i -mcpu=power9 -fno-diagnostics-show-caret -fdiagnostics-color=never -O0 -maltivec -mabi=altivec -std=gnu99 -mno-vsx -lm -o ./1b-04.exe /home/sawdey/src/gcc/trunk/gcc/gcc/testsuite/gcc.dg/vmx/1b-04.c: In function âmainâ: /home/sawdey/src/gcc/trunk/gcc/gcc/testsuite/gcc.dg/vmx/1b-04.c:7:1: error: insn does not satisfy its constraints: (insn 20 5 31 (set (mem/c:V16QI (plus:DI (reg/f:DI 31 31) (const_int 64 [0x40])) [0 S16 A128]) (reg:V16QI 77 0 [157])) /home/sawdey/src/gcc/trunk/gcc/gcc/testsuite/gcc.dg/vmx/1b-04.c:5 1205 {*altivec_movv16qi} (nil)) /home/sawdey/src/gcc/trunk/gcc/gcc/testsuite/gcc.dg/vmx/1b-04.c:7:1: internal compiler error: in extract_constrain_insn_cached, at recog.c:2223 0x10833bf3 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) ../../trunk/gcc/rtl-error.c:108 0x10833c57 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*) ../../trunk/gcc/rtl-error.c:119 0x107fa273 extract_constrain_insn_cached(rtx_insn*) ../../trunk/gcc/recog.c:2223 0x10e15327 insn_default_length(rtx_insn*) ../../trunk/gcc/config/rs6000/rs6000.md:6424 0x104da113 shorten_branches(rtx_insn*) ../../trunk/gcc/final.c:1184 0x104da3d3 rest_of_handle_shorten_branches ../../trunk/gcc/final.c:4537 0x104da3d3 execute ../../trunk/gcc/final.c:4566