[Bug target/39152] [4.4 regression] Revision 144098 breaks 416.gamess in SPEC CPU 2006

[hjl dot tools at gmail dot com]

------- Comment #13 from hjl dot tools at gmail dot com  2009-02-12 15:41 -------
This patch:

--- ./i386.md.class     2009-02-12 06:42:42.000000000 -0800
+++ ./i386.md   2009-02-12 07:39:03.000000000 -0800
@@ -20736,7 +20736,11 @@
                      [(match_dup 0)
                       (match_operand:SI 2 "memory_operand" "")]))
               (clobber (reg:CC FLAGS_REG))])]
-  "operands[0] != operands[1]"
+  "operands[0] != operands[1]
+  && ((GENERAL_REGNO_P (REGNO (operands[0]))
+       && GENERAL_REGNO_P (REGNO (operands[1])))
+      || (SSE_REGNO_P (REGNO (operands[0]))
+         && SSE_REGNO_P (REGNO (operands[1]))))"
   [(set (match_dup 0) (match_dup 4))
    (parallel [(set (match_dup 0)
                    (match_op_dup 3 [(match_dup 0) (match_dup 1)]))

works for me.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39152