https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88618
Bug ID: 88618 Summary: ICE in extract_insn, at recog.c:2305 Product: gcc Version: 9.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: segher at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Target: ppc64-linux-gnu Following is causing ICE: $ cat ice.i int a(int b) { __builtin_exp(b); __builtin_exp2(b); __builtin_expm1(b); } $ ppc64-linux-gnu-gcc -ffinite-math-only -fno-tree-forwprop -O2 ice.i -c ice.i: In function ‘a’: ice.i:5:1: error: unrecognizable insn: 5 | } | ^ (insn 12 11 13 2 (set (reg:DI 133) (unlt:DI (reg:CCFP 132) (const_int 0 [0]))) -1 (nil)) during RTL pass: vregs ice.i:5:1: internal compiler error: in extract_insn, at recog.c:2305 0x577c95 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/rtl-error.c:108 0x577cb1 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*) /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/rtl-error.c:116 0x57719e extract_insn(rtx_insn*) /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/recog.c:2305 0x7cb57f instantiate_virtual_regs_in_insn /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/function.c:1650 0x7cb57f instantiate_virtual_regs /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/function.c:2020 0x7cb57f execute /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/function.c:2069