[Bug target/110021] [14 Regression] ICE in extract_insn, at recog.cc:2791 on x86_64 with -mavx512vl since r14-1253-g0368fc54bc11f1

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110021

Uroš Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |ubizjak at gmail dot com
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2023-05-29
     Ever confirmed|0                           |1
   Target Milestone|---                         |14.0

--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> ---
Patch in testing:

--cut here--
diff --git a/gcc/config/i386/i386-expand.cc b/gcc/config/i386/i386-expand.cc
index 0d8953b8c75..5d21810669a 100644
--- a/gcc/config/i386/i386-expand.cc
+++ b/gcc/config/i386/i386-expand.cc
@@ -23361,7 +23361,7 @@ ix86_expand_vecop_qihi2 (enum rtx_code code, rtx dest,
rtx op1, rtx op2)
     {
     case E_V16QImode:
       himode = V16HImode;
-      if (TARGET_AVX512VL)
+      if (TARGET_AVX512VL && TARGET_AVX512BW)
        gen_truncate = gen_truncv16hiv16qi2;
       break;
     case E_V32QImode:
--cut here--