rs6000: Adjust altivec dot-product backend patterns

Following the migration of the dot_prod optab from a direct to a
conversion-type optab, ensure all back-end patterns incorporate the
second machine mode into pattern names.

gcc/ChangeLog:

	* config/rs6000/altivec.md (udot_prod<mode>): Renamed to...
	(udot_prodv4si<mode>): ...this.
	(sdot_prodv8hi): Renamed to...
	(sdot_prodv4siv8hi): ...this.

diff --git a/gcc/config/rs6000/altivec.md b/gcc/config/rs6000/altivec.md
index e4576c6d0967db51598cc856fdf9205c541a76bf..00dad4b91f1cebf6f6cfafc227847ecbaca6c6d5 100644 (file)
--- a/gcc/config/rs6000/altivec.md
+++ b/gcc/config/rs6000/altivec.md
@@ -3749,7 +3749,7 @@
     }
 })
 
-(define_expand "udot_prod<mode>"
+(define_expand "udot_prodv4si<mode>"
   [(set (match_operand:V4SI 0 "register_operand" "=v")
         (plus:V4SI (match_operand:V4SI 3 "register_operand" "v")
                    (unspec:V4SI [(match_operand:VIshort 1 "register_operand" "v")  
@@ -3761,7 +3761,7 @@
   DONE;
 })
 
-(define_expand "sdot_prodv8hi"
+(define_expand "sdot_prodv4siv8hi"
   [(set (match_operand:V4SI 0 "register_operand" "=v")
         (plus:V4SI (match_operand:V4SI 3 "register_operand" "v")
                    (unspec:V4SI [(match_operand:V8HI 1 "register_operand" "v")