[RFA][PATCH][middle-end/53623] Improve extension elimination

[Uros Bizjak]

Hello!

index 0000000..5375b61
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr53623.c
@@ -0,0 +1,25 @@
+/* { dg-do compile { target { x86_64-*-* } } } */
+/* { dg-options "-O2 -fdump-rtl-ree" } */

Please use:

/* { dg-do compile { target { ! ia32 } } } */

Uros.