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* [Bug target/102016] New: [12 Regression] ICE in extract_insn, at recog.c:2769 since r12-2919-gfaf2b6bc527dff31
@ 2021-08-23  8:03 marxin at gcc dot gnu.org
  2021-08-23  8:05 ` [Bug target/102016] " pinskia at gcc dot gnu.org
                   ` (5 more replies)
  0 siblings, 6 replies; 7+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-08-23  8:03 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102016

            Bug ID: 102016
           Summary: [12 Regression] ICE in extract_insn, at recog.c:2769
                    since r12-2919-gfaf2b6bc527dff31
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: crazylht at gmail dot com
  Target Milestone: ---
              Host: x86_64-linux-gnu

The following fails:

$ gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr101846-2.c
-Ofast -mavx512vl
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr101846-2.c: In
function ‘foo_wb_128’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr101846-2.c:81:1:
error: unrecognizable insn:
   81 | }
      | ^
(insn 17 7 18 2 (set (subreg:V16QI (reg:V8QI 90) 0)
        (vec_concat:V16QI (truncate:V8QI (subreg:V8HI (reg:V16QI 89) 0))
            (const_vector:V8QI [
                    (const_int 0 [0]) repeated x8
                ])))
"/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr101846-2.c":79:10
-1
     (expr_list:REG_DEAD (reg:V16QI 89)
        (nil)))
during RTL pass: ira
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/pr101846-2.c:81:1:
internal compiler error: in extract_insn, at recog.c:2769
0x71d22a _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
        /home/marxin/Programming/gcc/gcc/rtl-error.c:108
0x71d24c _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
        /home/marxin/Programming/gcc/gcc/rtl-error.c:116
0x71b3b7 extract_insn(rtx_insn*)
        /home/marxin/Programming/gcc/gcc/recog.c:2769
0xcc88d3 ira_remove_insn_scratches(rtx_insn*, bool, _IO_FILE*, rtx_def*
(*)(rtx_def*))
        /home/marxin/Programming/gcc/gcc/ira.c:5348
0xcc9afe remove_scratches
        /home/marxin/Programming/gcc/gcc/ira.c:5392
0xcc9afe ira
        /home/marxin/Programming/gcc/gcc/ira.c:5716
0xcc9afe execute
        /home/marxin/Programming/gcc/gcc/ira.c:6075
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.

^ permalink raw reply	[flat|nested] 7+ messages in thread
end of thread, other threads:[~2021-09-18  9:45 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-08-23  8:03 [Bug target/102016] New: [12 Regression] ICE in extract_insn, at recog.c:2769 since r12-2919-gfaf2b6bc527dff31 marxin at gcc dot gnu.org
2021-08-23  8:05 ` [Bug target/102016] " pinskia at gcc dot gnu.org
2021-08-23  8:58 ` crazylht at gmail dot com
2021-08-23  9:06 ` rguenth at gcc dot gnu.org
2021-08-23  9:52 ` cvs-commit at gcc dot gnu.org
2021-08-23  9:52 ` crazylht at gmail dot com
2021-09-18  9:45 ` pinskia at gcc dot gnu.org

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