https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102154
Bug ID: 102154
Summary: [12 Regression] ICE in extract_insn, at recog.c:2769
Product: gcc
Version: 12.0
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
Target Milestone: ---
Host: x86_64-linux-gnu
Target: ppc64-linux-gnu
Must be a recent regression:
$ ppc64-linux-gnu-gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/execute/20050316-2.c
-mpower9-misc -fno-inline -O2 -c
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/execute/20050316-2.c:
In function ‘main’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/execute/20050316-2.c:54:1:
error: unrecognizable insn:
54 | }
| ^
(insn 24 23 25 4 (set (reg:SF 137)
(subreg:SF (reg:DI 117 [ _1 ]) 4))
"/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/execute/20050316-2.c":41:21
-1
(nil))
during RTL pass: vregs
/home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/execute/20050316-2.c:54:1:
internal compiler error: in extract_insn, at recog.c:2769
0x5e832d _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
0x5e8349 _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
0x5e7766 extract_insn(rtx_insn*)
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/recog.c:2769
0x87cd1f instantiate_virtual_regs_in_insn
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/function.c:1611
0x87cd1f instantiate_virtual_regs
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/function.c:1985
0x87cd1f execute
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64/build/gcc/function.c:2034
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.
