[Bug c++/96225] New: ice in extract_insn, at recog.c:2294

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96225

            Bug ID: 96225
           Summary: ice in extract_insn, at recog.c:2294
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

Created attachment 48884
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48884&action=edit
gzipped C++ source code

The attached gzipped C++ code, with recent gcc trunk and flags
-march=sapphirerapids -O3 -ansi -ffast-math, does this:

usr/include/endian.h: In member function ‘void
DSODatabase::findVisibleDSOs(DSOHandler&, const Point3d&, const Quatf&, float,
float, float) const’:
/usr/include/endian.h:54245:1: error: unrecognizable insn:
(insn 131 130 132 2 (set (reg:V4DF 252)
        (unspec:V4DF [
                (reg:V4DF 153 [ vect__170.1094 ])
            ] UNSPEC_RSQRT)) "/usr/include/endian.h":11544:23 -1
     (nil))
during RTL pass: vregs
/usr/include/endian.h:54245:1: internal compiler error: in extract_insn, at
recog.c:2294