2009-07-22 Doug Kwan <dougkwan@google.com>

ChangeLog:

	* config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.

testsuite/ChangeLog:

	* gcc.c-torture/compile/20090721-1.c: New test.

From-SVN: r149951

gcc/ChangeLog

+2009-07-22  Doug Kwan  <dougkwan@google.com>
+
+	* config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
+
 2009-07-22  Michael Matz  <matz@suse.de>
 
 	PR tree-optimization/35229

gcc/config/arm/arm.md

@@ -981,9 +981,9 @@
   if (TARGET_THUMB1)
     {
       if (GET_CODE (operands[1]) != REG)
-        operands[1] = force_reg (SImode, operands[1]);
+        operands[1] = force_reg (DImode, operands[1]);
       if (GET_CODE (operands[2]) != REG)
-        operands[2] = force_reg (SImode, operands[2]);
+        operands[2] = force_reg (DImode, operands[2]);
      }	
   "
 )

gcc/testsuite/ChangeLog

+2009-07-22  Doug Kwan  <dougkwan@google.com>
+
+	* gcc.c-torture/compile/20090721-1.c: New test.
+
 2009-07-22  Michael Matz  <matz@suse.de>
 
 	PR tree-optimization/35229

gcc/testsuite/gcc.c-torture/compile/20090721-1.c

+/* { dg-options "-fno-tree-sra" } */
+union u {double d;long long ll;};
+f(double x, int n){union u v;v.d=x;if(n>=0){v.ll<<=63;}else{v.ll-=1<<-n;v.ll>>=-n;}return v.ll;}