[Bug target/128229] [14/15/16/17 Regression] x86: FP-trapping unspecs (cvtsd2si / lrint, minpd) hoisted out of a guarded loop by RTL loop-invariant motion; default_unspec_may_trap_p ignores operand modes and vector-float result modes

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128229

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|rtl-optimization            |target
   Last reconfirmed|                            |2026-10-28
   Target Milestone|---                         |14.5
            Summary|[9/10/11/12/13/14/15/16/17  |[14/15/16/17 Regression]
                   |Regression] x86:            |x86: FP-trapping unspecs
                   |FP-trapping unspecs         |(cvtsd2si / lrint, minpd)
                   |(cvtsd2si / lrint, minpd)   |hoisted out of a guarded
                   |hoisted out of a guarded    |loop by RTL loop-invariant
                   |loop by RTL loop-invariant  |motion;
                   |motion;                     |default_unspec_may_trap_p
                   |default_unspec_may_trap_p   |ignores operand modes and
                   |ignores operand modes and   |vector-float result modes
                   |vector-float result modes   |
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.  IMO a target issue since UNSPECs are involved.