[Bug rtl-optimization/32339] [4.3 Regression] ICE in insert_save, at caller-save.c:726

[spark at gcc dot gnu dot org]

------- Comment #4 from spark at gcc dot gnu dot org  2007-06-14 18:31 -------
diff -r 8522653fd69d gcc/df-scan.c
--- a/gcc/df-scan.c     Thu Jun 14 00:17:05 2007 +0000
+++ b/gcc/df-scan.c     Thu Jun 14 11:29:46 2007 -0700
@@ -2982,9 +2982,9 @@ df_uses_record (struct df_collection_rec
     case PRE_MODIFY:
     case POST_MODIFY:
       /* Catch the def of the register being modified.  */
-      flags |= DF_REF_READ_WRITE | DF_REF_PRE_POST_MODIFY;
       df_ref_record (collection_rec, XEXP (x, 0), &XEXP (x, 0), bb, insn,
-                    DF_REF_REG_DEF, flags);
+                    DF_REF_REG_DEF,
+                     flags | DF_REF_READ_WRITE | DF_REF_PRE_POST_MODIFY);

       /* ... Fall through to handle uses ...  */

This patch fixes the problem.
I'm starting the testing.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32339