arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.

	* arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
	* gcc.dg/arm-vfp1.c: Revert last change.

From-SVN: r99569

gcc/ChangeLog

+2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
+
+	* arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
+
 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
 
 	PR middle-end/19807

gcc/config/arm/arm.md

@@ -2969,14 +2969,14 @@
 (define_expand "negsf2"
   [(set (match_operand:SF         0 "s_register_operand" "")
 	(neg:SF (match_operand:SF 1 "s_register_operand" "")))]
-  "TARGET_ARM && TARGET_HARD_FLOAT && TARGET_FPA"
+  "TARGET_ARM && TARGET_HARD_FLOAT && (TARGET_FPA || TARGET_VFP)"
   ""
 )
 
 (define_expand "negdf2"
   [(set (match_operand:DF         0 "s_register_operand" "")
 	(neg:DF (match_operand:DF 1 "s_register_operand" "")))]
-  "TARGET_ARM && TARGET_HARD_FLOAT && TARGET_FPA"
+  "TARGET_ARM && TARGET_HARD_FLOAT && (TARGET_FPA || TARGET_VFP)"
   "")
 
 ;; abssi2 doesn't really clobber the condition codes if a different register

gcc/testsuite/ChangeLog

+2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
+
+	* gcc.dg/arm-vfp1.c: Revert last change.
+
 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
 
 	PR middle-end/19807

gcc/testsuite/gcc.dg/arm-vfp1.c

@@ -14,14 +14,7 @@ void test_sf() {
   /* { dg-final { scan-assembler "fabss" } } */
   f1 = fabsf (f1);
   /* negsf2_vfp */
-  /* There is no test for "fnegs" because the compiler will use an
-     integer operation instead to implement this operation.  Adding
-     complexity to the operand (e.g., "-(f1 + f2)") doesn't change the
-     situation, as the compiler still wants the result in an integer
-     register before writing it back to memory.  If we used an ABI that
-     required passing floating-point values in VFP registers that
-     would likely persuade the compiler to keep the value in the VFP
-     registers.  */ 
+  /* { dg-final { scan-assembler "fnegs" } } */
   f1 = -f1;
   /* addsf3_vfp */
   /* { dg-final { scan-assembler "fadds" } } */