i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS.

	* i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS.
	(TARGET_USE_VECTOR_CONVERTS): New.
	* i386.md: New post-reload splitters for converting SF to DF and DF to
	SF.
	(floatsi* expander): Special case vector conversions.
	(floatsisf2_mixed_vector, floatsisf2_sse_vector_nointernunit,
	floatsisf2_sse_vector_internunit, floatsisf2_sse_vector,
	floatsidf2_mixed_vector, floatsidf2_sse_vector): New.
	(floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
	Disable when doing vector converts.
	(floatsi<mode>2_i387): Disable when
	* sse.md (vec_dupv2df): Export.
	* i386.c (ix86_tune_features): Enable SSE conversions.

Co-Authored-By: Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>

From-SVN: r128301

gcc/ChangeLog

+2007-09-09  Jan Hubicka  <jh@suse.cz>
+            Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
+
+	* i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS.
+	(TARGET_USE_VECTOR_CONVERTS): New.
+	* i386.md: New post-reload splitters for converting SF to DF and DF to
+	SF.
+	(floatsi* expander): Special case vector conversions.
+	(floatsisf2_mixed_vector, floatsisf2_sse_vector_nointernunit,
+	floatsisf2_sse_vector_internunit, floatsisf2_sse_vector,
+	floatsidf2_mixed_vector, floatsidf2_sse_vector): New.
+	(floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
+	Disable when doing vector converts.
+	(floatsi<mode>2_i387): Disable when
+	* sse.md (vec_dupv2df): Export.
+	* i386.c (ix86_tune_features): Enable SSE conversions.
+
 2007-09-09  Richard Guenther  <rguenther@suse.de>
 
 	* tree-ssa-operands.c (add_virtual_operand): Only mark

gcc/config/i386/i386.c

@@ -1258,6 +1258,10 @@ unsigned int ix86_tune_features[X86_TUNE_LAST] = {
      operand that cannot be represented using a modRM byte.  The XOR
      replacement is long decoded, so this split helps here as well.  */
   m_K6,
+
+  /* X86_USE_VECTOR_CONVERTS: Preffer vector packed SSE conversion from
+  integer to FP. */
+  m_AMDFAM10,
 };
 
 /* Feature tests against the various architecture variations.  */

gcc/config/i386/i386.h

@@ -257,6 +257,7 @@ enum ix86_tune_indices {
   X86_TUNE_MOVE_M1_VIA_OR,
   X86_TUNE_NOT_UNPAIRABLE,
   X86_TUNE_NOT_VECTORMODE,
+  X86_USE_VECTOR_CONVERTS,
 
   X86_TUNE_LAST
 };
@@ -337,6 +338,7 @@ extern unsigned int ix86_tune_features[X86_TUNE_LAST];
 #define	TARGET_MOVE_M1_VIA_OR	ix86_tune_features[X86_TUNE_MOVE_M1_VIA_OR]
 #define TARGET_NOT_UNPAIRABLE	ix86_tune_features[X86_TUNE_NOT_UNPAIRABLE]
 #define TARGET_NOT_VECTORMODE	ix86_tune_features[X86_TUNE_NOT_VECTORMODE]
+#define TARGET_USE_VECTOR_CONVERTS ix86_tune_features[X86_USE_VECTOR_CONVERTS]
 
 /* Feature tests against the various architecture variations.  */
 enum ix86_arch_indices {

gcc/config/i386/sse.md

@@ -2740,7 +2740,7 @@
   [(set_attr "type" "sselog1")
    (set_attr "mode" "DF")])
 
-(define_insn "*vec_dupv2df"
+(define_insn "vec_dupv2df"
   [(set (match_operand:V2DF 0 "register_operand" "=x")
 	(vec_duplicate:V2DF
 	  (match_operand:DF 1 "register_operand" "0")))]