https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80618
Bug ID: 80618 Summary: [8 regression] test case gcc.dg/pr50310-2.c fails with ICE starting with 247544 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: seurer at gcc dot gnu.org Target Milestone: --- spawn /home/seurer/gcc/build/gcc-trunk/gcc/xgcc -B/home/seurer/gcc/build/gcc-trunk/gcc/ /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/pr50310-2.c -fno-diagnostics-show-caret -fdiagnostics-color=never -O3 -lm -o ./pr50310-2.exe /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/pr50310-2.c: In function 'main': /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/pr50310-2.c:47:1: error: unrecognizable insn: (insn 361 360 176 2 (set (reg:V2DF 342) (not:V2DF (ior:V2DF (reg:V2DF 470) (reg:V2DF 471)))) "/home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/pr50310-2.c":30 -1 (nil)) /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/pr50310-2.c:47:1: internal compiler error: in extract_insn, at recog.c:2311 0x1087afb3 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /home/seurer/gcc/gcc-trunk/gcc/rtl-error.c:108 0x1087b017 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*) /home/seurer/gcc/gcc-trunk/gcc/rtl-error.c:116 0x1083f6b7 extract_insn(rtx_insn*) /home/seurer/gcc/gcc-trunk/gcc/recog.c:2311 0x111c4b87 decompose_multiword_subregs /home/seurer/gcc/gcc-trunk/gcc/lower-subreg.c:1467 0x111c62cb execute /home/seurer/gcc/gcc-trunk/gcc/lower-subreg.c:1734 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. compiler exited with status 1 output is: /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/pr50310-2.c: In function 'main': /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/pr50310-2.c:47:1: error: unrecognizable insn: (insn 361 360 176 2 (set (reg:V2DF 342) (not:V2DF (ior:V2DF (reg:V2DF 470) (reg:V2DF 471)))) "/home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/pr50310-2.c":30 -1 (nil)) /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/pr50310-2.c:47:1: internal compiler error: in extract_insn, at recog.c:2311 0x1087afb3 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /home/seurer/gcc/gcc-trunk/gcc/rtl-error.c:108 0x1087b017 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*) /home/seurer/gcc/gcc-trunk/gcc/rtl-error.c:116 0x1083f6b7 extract_insn(rtx_insn*) /home/seurer/gcc/gcc-trunk/gcc/recog.c:2311 0x111c4b87 decompose_multiword_subregs /home/seurer/gcc/gcc-trunk/gcc/lower-subreg.c:1467 0x111c62cb execute /home/seurer/gcc/gcc-trunk/gcc/lower-subreg.c:1734 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. FAIL: gcc.dg/pr50310-2.c (internal compiler error) FAIL: gcc.dg/pr50310-2.c (test for excess errors) Excess errors: /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/pr50310-2.c:47:1: error: unrecognizable insn: (insn 361 360 176 2 (set (reg:V2DF 342) (not:V2DF (ior:V2DF (reg:V2DF 470) (reg:V2DF 471)))) "/home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/pr50310-2.c":30 -1 (nil)) /home/seurer/gcc/gcc-trunk/gcc/testsuite/gcc.dg/pr50310-2.c:47:1: internal compiler error: in extract_insn, at recog.c:2311 0x1087afb3 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /home/seurer/gcc/gcc-trunk/gcc/rtl-error.c:108 0x1087b017 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*) /home/seurer/gcc/gcc-trunk/gcc/rtl-error.c:116 0x1083f6b7 extract_insn(rtx_insn*) /home/seurer/gcc/gcc-trunk/gcc/recog.c:2311 0x111c4b87 decompose_multiword_subregs /home/seurer/gcc/gcc-trunk/gcc/lower-subreg.c:1467 0x111c62cb execute /home/seurer/gcc/gcc-trunk/gcc/lower-subreg.c:1734 UNRESOLVED: gcc.dg/pr50310-2.c compilation failed to produce executable