https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70905
Bug ID: 70905 Summary: [7 regression] FAIL: gcc.c-torture/compile/20011219-2.c -Os (unrecognizable insn) Product: gcc Version: 7.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: sch...@linux-m68k.org Target Milestone: --- Target: powerpc-*-* $ gcc/xgcc -Bgcc/ -m32 -Os -c ../gcc/testsuite/gcc.c-torture/compile/20011219-2.c ../gcc/testsuite/gcc.c-torture/compile/20011219-2.c: In function ‘foo’: ../gcc/testsuite/gcc.c-torture/compile/20011219-2.c:20:1: error: unrecognizable insn: } ^ (insn 74 73 75 6 (parallel [ (set (reg:SI 31 31) (mem/c:SI (plus:SI (reg/f:SI 1 1) (const_int 20 [0x14])) [4 S4 A8])) ]) ../gcc/testsuite/gcc.c-torture/compile/20011219-2.c:20 -1 (nil)) ../gcc/testsuite/gcc.c-torture/compile/20011219-2.c:20:1: internal compiler error: in extract_insn, at recog.c:2287 0x1069449b _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) ../../gcc/rtl-error.c:108 0x106944ef _fatal_insn_not_found(rtx_def const*, char const*, int, char const*) ../../gcc/rtl-error.c:116 0x1065bef7 extract_insn(rtx_insn*) ../../gcc/recog.c:2287 0x1065d5d7 extract_constrain_insn(rtx_insn*) ../../gcc/recog.c:2188 0x1066a7f7 build_def_use ../../gcc/regrename.c:1637 0x1066a7f7 regrename_analyze(bitmap_head*) ../../gcc/regrename.c:738 0x1066c64f regrename_optimize ../../gcc/regrename.c:1892 0x1066c64f execute ../../gcc/regrename.c:1929