Jan Hubicka <hubicka@freesoft.cz>

        * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
        (mov $-1 to or peepholer): Enable for pentium when optimizing for
        speed.

From-SVN: r29771

gcc/ChangeLog

+Sat Oct  2 10:57:56 1999  Jan Hubicka  <hubicka@freesoft.cz>
+
+	* i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
+	(mov $-1 to or peepholer): Enable for pentium when optimizing for
+	speed.
+
 Sat Oct  2 10:55:25 1999  Jan Hubicka  <hubicka@freesoft.cz>
 
 	* builtins.c (expand_builtin_strlen): Fix best mode searching loop.

gcc/config/i386/i386.md

@@ -1162,7 +1162,7 @@
   [(set (attr "type")
      (cond [(and (match_operand:SI 1 "const0_operand" "")
 		 (and (match_operand:SI 0 "register_operand" "")
-		      (ne (symbol_ref "TARGET_USE_MOV0") (const_int 0))))
+		      (eq (symbol_ref "TARGET_USE_MOV0") (const_int 0))))
 	      (const_string "alu1")
 	    (and (ne (symbol_ref "flag_pic") (const_int 0))
 		 (match_operand:SI 1 "symbolic_operand" ""))
@@ -1254,7 +1254,7 @@
   [(set (attr "type")
      (cond [(and (match_operand:HI 1 "const0_operand" "")
 		 (and (match_operand:HI 0 "register_operand" "")
-		      (ne (symbol_ref "TARGET_USE_MOV0") (const_int 0))))
+		      (eq (symbol_ref "TARGET_USE_MOV0") (const_int 0))))
 	      (const_string "alu1")
 	    (and (ne (symbol_ref "TARGET_MOVX")
 		     (const_int 0))
@@ -1431,7 +1431,7 @@
   [(set (attr "type")
      (cond [(and (match_operand:QI 1 "const0_operand" "")
 		 (and (match_operand:QI 0 "register_operand" "")
-		      (ne (symbol_ref "TARGET_USE_MOV0") (const_int 0))))
+		      (eq (symbol_ref "TARGET_USE_MOV0") (const_int 0))))
 	      (const_string "alu1")
 	    (eq_attr "alternative" "3")
 	      (const_string "imovx")
@@ -8146,7 +8146,8 @@
 (define_peephole2
   [(set (match_operand:SI 0 "register_operand" "")
 	(const_int -1))]
-  "optimize_size && reg_dead_p (insn, gen_rtx_REG (CCmode, FLAGS_REG))"
+  "(optimize_size || TARGET_PENTIUM)
+   && reg_dead_p (insn, gen_rtx_REG (CCmode, FLAGS_REG))"
   [(parallel [(set (match_dup 0)
 		   (ior:SI (match_dup 0) (const_int -1)))
 	      (clobber (reg:CC 17))])]
@@ -8155,7 +8156,8 @@
 (define_peephole2
   [(set (match_operand:HI 0 "register_operand" "")
 	(const_int -1))]
-  "optimize_size && reg_dead_p (insn, gen_rtx_REG (CCmode, FLAGS_REG))"
+  "(optimize_size || TARGET_PENTIUM)
+   && reg_dead_p (insn, gen_rtx_REG (CCmode, FLAGS_REG))"
   [(parallel [(set (match_dup 0)
 		   (ior:HI (match_dup 0) (const_int -1)))
 	      (clobber (reg:CC 17))])]