[Bug target/106933] [13 Regression] ICE in extract_insn, at recog.cc:2791 (error: unrecognizable insn) since r13-2049-g6f94923dea21bd92

[hjl.tools at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106933

--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> ---
This

diff --git a/gcc/config/i386/i386-features.cc
b/gcc/config/i386/i386-features.cc
index e357294bc4e..aca34d730a8 100644
--- a/gcc/config/i386/i386-features.cc
+++ b/gcc/config/i386/i386-features.cc
@@ -1449,6 +1449,9 @@ timode_scalar_chain::compute_convert_gain ()
     break;

   case COMPARE:
+    if (REG_P (XEXP (src, 0))
+        && GET_MODE (XEXP (src, 0)) == V1TImode)
+      return 1;
     if (XEXP (src, 1) == const0_rtx)
       {
         if (GET_CODE (XEXP (src, 0)) == AND)

also works.