arm.md (mov_notscc): Use MVN for false condition.

	* gcc/config/arm/arm.md (mov_notscc): Use MVN for false condition.
	* gcc/testsuite/gcc.c-torture/execute/20120110-1.c: New testcase.

From-SVN: r183095

gcc/ChangeLog

+2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
+
+	* config/arm/arm.md (mov_notscc): Use MVN for false condition.
+
 2012-01-11  Nick Clifton  <nickc@redhat.com>
 
 	* config/rx/rx.md (return): Define pattern.

gcc/config/arm/arm.md

@@ -7726,7 +7726,7 @@
 	(not:SI (match_operator:SI 1 "arm_comparison_operator"
 		 [(match_operand 2 "cc_register" "") (const_int 0)])))]
   "TARGET_ARM"
-  "mov%D1\\t%0, #0\;mvn%d1\\t%0, #1"
+  "mvn%D1\\t%0, #0\;mvn%d1\\t%0, #1"
   [(set_attr "conds" "use")
    (set_attr "insn" "mov")
    (set_attr "length" "8")]

gcc/testsuite/ChangeLog

+2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
+
+	* gcc.c-torture/execute/20120110-1.c: New testcase.
+
 2012-01-10  Jason Merrill  <jason@redhat.com>
 
 	PR c++/51614

gcc/testsuite/gcc.c-torture/execute/20120111-1.c

+#include <stdlib.h>
+#include <stdint.h>
+
+uint32_t f0a (uint64_t arg2) __attribute__((noinline));
+
+uint32_t
+f0a (uint64_t arg)
+{
+  return ~(arg > -3);
+}
+
+int main() {
+  uint32_t r1;
+  r1 = f0a (12094370573988097329ULL);
+  if (r1 != ~0U)
+    abort ();
+  return 0;
+}