re PR target/53187 (ICE in arm_select_dominance_cc_mode)

	PR target/53187
	* config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
	mode, return that mode.

	* gcc.target/arm/pr53187.c: New test.
	* gcc.c-torture/compile/pr53187.c: New test.

From-SVN: r187085

gcc/ChangeLog

 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
 
+	PR target/53187
+	* config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
+	mode, return that mode.
+
 	PR target/53194
 	* config/i386/i386-c.c (ix86_target_macros_internal): Don't
 	define __ATOMIC_HLE_* macros here.

gcc/config/arm/arm.c

@@ -11964,6 +11964,9 @@ arm_select_cc_mode (enum rtx_code op, rtx x, rtx y)
 	}
     }
 
+  if (GET_MODE_CLASS (GET_MODE (x)) == MODE_CC)
+    return GET_MODE (x);
+
   return CCmode;
 }
 

gcc/testsuite/ChangeLog

+2012-05-03  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/53187
+	* gcc.target/arm/pr53187.c: New test.
+	* gcc.c-torture/compile/pr53187.c: New test.
+
 2012-05-03  Richard Guenther  <rguenther@suse.de>
 
 	* gfortran.dg/pr52621.f90: Add -w to avoid diagnostic about

gcc/testsuite/gcc.c-torture/compile/pr53187.c

+/* PR target/53187 */
+
+void bar (int);
+
+void
+foo (int x, double y, double z)
+{
+  _Bool t = z >= y;
+  if (!t || x)
+    bar (t ? 1 : 16);
+}

gcc/testsuite/gcc.target/arm/pr53187.c

+/* PR target/53187 */
+/* { dg-do compile } */
+/* { dg-options "-march=armv7-a -mfloat-abi=hard -O2" } */
+
+void bar (int);
+
+void
+foo (int x, double y, double z)
+{
+  _Bool t = z >= y;
+  if (!t || x)
+    bar (t ? 1 : 16);
+}