From: uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 30 Aug 2010 13:40:36 +0000 (+0000)
Subject: 	* Move compare peephole2 to a better place.
X-Git-Tag: upstream/4.9.2~27028
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ac702420b1592120b966154ba54820232c853565;p=platform%2Fupstream%2Flinaro-gcc.git

	* Move compare peephole2 to a better place.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@163645 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 2f28873..c59d97e 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -17170,24 +17170,6 @@
 	      (set (reg:SI SP_REG) (plus:SI (reg:SI SP_REG) (const_int 4)))])]
   "")
 
-;; Convert compares with 1 to shorter inc/dec operations when CF is not
-;; required and register dies.  Similarly for 128 to -128.
-(define_peephole2
-  [(set (match_operand 0 "flags_reg_operand" "")
-	(match_operator 1 "compare_operator"
-	  [(match_operand 2 "register_operand" "")
-	   (match_operand 3 "const_int_operand" "")]))]
-  "(((!TARGET_FUSE_CMP_AND_BRANCH || optimize_insn_for_size_p ())
-     && incdec_operand (operands[3], GET_MODE (operands[3])))
-    || (!TARGET_FUSE_CMP_AND_BRANCH
-	&& INTVAL (operands[3]) == 128))
-   && ix86_match_ccmode (insn, CCGCmode)
-   && peep2_reg_dead_p (1, operands[2])"
-  [(parallel [(set (match_dup 0)
-		   (match_op_dup 1 [(match_dup 2) (match_dup 3)]))
-	      (clobber (match_dup 2))])]
-  "")
-
 (define_peephole2
   [(match_scratch:DI 0 "r")
    (parallel [(set (reg:DI SP_REG) (plus:DI (reg:DI SP_REG) (const_int -8)))
@@ -17303,6 +17285,23 @@
 	      (set (reg:DI SP_REG) (plus:DI (reg:DI SP_REG) (const_int 8)))])]
   "")
 
+;; Convert compares with 1 to shorter inc/dec operations when CF is not
+;; required and register dies.  Similarly for 128 to -128.
+(define_peephole2
+  [(set (match_operand 0 "flags_reg_operand" "")
+	(match_operator 1 "compare_operator"
+	  [(match_operand 2 "register_operand" "")
+	   (match_operand 3 "const_int_operand" "")]))]
+  "(((!TARGET_FUSE_CMP_AND_BRANCH || optimize_insn_for_size_p ())
+     && incdec_operand (operands[3], GET_MODE (operands[3])))
+    || (!TARGET_FUSE_CMP_AND_BRANCH
+	&& INTVAL (operands[3]) == 128))
+   && ix86_match_ccmode (insn, CCGCmode)
+   && peep2_reg_dead_p (1, operands[2])"
+  [(parallel [(set (match_dup 0)
+		   (match_op_dup 1 [(match_dup 2) (match_dup 3)]))
+	      (clobber (match_dup 2))])])
+
 ;; Convert imul by three, five and nine into lea
 (define_peephole2
   [(parallel