[Bug target/84827] New: [7/8 Regression] ICE in extract_insn, at recog.c:2311

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84827

            Bug ID: 84827
           Summary: [7/8 Regression] ICE in extract_insn, at recog.c:2311
           Product: gcc
           Version: unknown
            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: jsm28 at gcc dot gnu.org
  Target Milestone: ---

Starting from r237074 we ICE on:

$ gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/387-builtin-fp-int-inexact.c
-Ofast -fno-fp-int-builtin-inexact -ftrapping-math
cc1: warning: -fassociative-math disabled; other options take precedence
In file included from
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/387-builtin-fp-int-inexact.c:7:0:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/../../gcc.dg/torture/builtin-fp-int-inexact.c:
In function ‘main’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/../../gcc.dg/torture/builtin-fp-int-inexact.c:70:1:
error: unrecognizable insn:
 }
 ^
(insn 130 129 131 12 (parallel [
            (set (reg:XF 142)
                (unspec:XF [
                        (reg:XF 141)
                    ] UNSPEC_FRNDINT_FLOOR))
            (clobber (reg:CC 17 flags))
        ])
"/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/../../gcc.dg/torture/builtin-fp-int-inexact.c":57
-1
     (nil))
/home/marxin/Programming/gcc/gcc/testsuite/gcc.target/i386/../../gcc.dg/torture/builtin-fp-int-inexact.c:70:1:
internal compiler error: in extract_insn, at recog.c:2311
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