arm.md (arm_smax_insn): Convert define_insn into define_insn_and_split.

2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.md (arm_smax_insn): Convert define_insn into
	define_insn_and_split.
	(arm_smin_insn,arm_umaxsi3,arm_uminsi3): Likewise.

From-SVN: r197528

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index da89fdeb9301d5963ab853e56e0717d42a094fc1..2bd27c3bf3a94752cce066a08ef7fb638abd77bc 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>
+
+       * config/arm/arm.md (arm_smax_insn): Convert define_insn into
+       define_insn_and_split.
+       (arm_smin_insn,arm_umaxsi3,arm_uminsi3): Likewise.
+
 2013-04-05  Greta Yorsh  <Greta.Yorsh@arm.com>
 
        * config/arm/arm.md (arm_ashldi3_1bit): Convert define_insn into

diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md
index ffec1b4ad4a99198916d116065493f1e09d678a0..68519f42711298fb001b05343e3a60b67ac84aa7 100644 (file)
--- a/gcc/config/arm/arm.md
+++ b/gcc/config/arm/arm.md
@@ -3376,15 +3376,23 @@
   [(set_attr "predicable" "yes")]
 )
 
-(define_insn "*arm_smax_insn"
+(define_insn_and_split "*arm_smax_insn"
   [(set (match_operand:SI          0 "s_register_operand" "=r,r")
        (smax:SI (match_operand:SI 1 "s_register_operand"  "%0,?r")
                 (match_operand:SI 2 "arm_rhs_operand"    "rI,rI")))
    (clobber (reg:CC CC_REGNUM))]
   "TARGET_ARM"
-  "@
-   cmp\\t%1, %2\;movlt\\t%0, %2
-   cmp\\t%1, %2\;movge\\t%0, %1\;movlt\\t%0, %2"
+  "#"
+   ; cmp\\t%1, %2\;movlt\\t%0, %2
+   ; cmp\\t%1, %2\;movge\\t%0, %1\;movlt\\t%0, %2"
+  "TARGET_ARM"
+  [(set (reg:CC CC_REGNUM)
+        (compare:CC (match_dup 1) (match_dup 2)))
+   (set (match_dup 0)
+        (if_then_else:SI (ge:SI (reg:CC CC_REGNUM) (const_int 0))
+                         (match_dup 1)
+                         (match_dup 2)))]
+  ""
   [(set_attr "conds" "clob")
    (set_attr "length" "8,12")]
 )
@@ -3416,15 +3424,23 @@
   [(set_attr "predicable" "yes")]
 )
 
-(define_insn "*arm_smin_insn"
+(define_insn_and_split "*arm_smin_insn"
   [(set (match_operand:SI 0 "s_register_operand" "=r,r")
        (smin:SI (match_operand:SI 1 "s_register_operand" "%0,?r")
                 (match_operand:SI 2 "arm_rhs_operand" "rI,rI")))
    (clobber (reg:CC CC_REGNUM))]
   "TARGET_ARM"
-  "@
-   cmp\\t%1, %2\;movge\\t%0, %2
-   cmp\\t%1, %2\;movlt\\t%0, %1\;movge\\t%0, %2"
+  "#"
+    ; cmp\\t%1, %2\;movge\\t%0, %2
+    ; cmp\\t%1, %2\;movlt\\t%0, %1\;movge\\t%0, %2"
+  "TARGET_ARM"
+  [(set (reg:CC CC_REGNUM)
+        (compare:CC (match_dup 1) (match_dup 2)))
+   (set (match_dup 0)
+        (if_then_else:SI (lt:SI (reg:CC CC_REGNUM) (const_int 0))
+                         (match_dup 1)
+                         (match_dup 2)))]
+  ""
   [(set_attr "conds" "clob")
    (set_attr "length" "8,12")]
 )
@@ -3439,16 +3455,24 @@
   ""
 )
 
-(define_insn "*arm_umaxsi3"
+(define_insn_and_split "*arm_umaxsi3"
   [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
        (umax:SI (match_operand:SI 1 "s_register_operand" "0,r,?r")
                 (match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))
    (clobber (reg:CC CC_REGNUM))]
   "TARGET_ARM"
-  "@
-   cmp\\t%1, %2\;movcc\\t%0, %2
-   cmp\\t%1, %2\;movcs\\t%0, %1
-   cmp\\t%1, %2\;movcs\\t%0, %1\;movcc\\t%0, %2"
+  "#"
+    ; cmp\\t%1, %2\;movcc\\t%0, %2
+    ; cmp\\t%1, %2\;movcs\\t%0, %1
+    ; cmp\\t%1, %2\;movcs\\t%0, %1\;movcc\\t%0, %2"
+  "TARGET_ARM"
+  [(set (reg:CC CC_REGNUM)
+        (compare:CC (match_dup 1) (match_dup 2)))
+   (set (match_dup 0)
+        (if_then_else:SI (geu:SI (reg:CC CC_REGNUM) (const_int 0))
+                         (match_dup 1)
+                         (match_dup 2)))]
+  ""
   [(set_attr "conds" "clob")
    (set_attr "length" "8,8,12")]
 )
@@ -3463,16 +3487,24 @@
   ""
 )
 
-(define_insn "*arm_uminsi3"
+(define_insn_and_split "*arm_uminsi3"
   [(set (match_operand:SI 0 "s_register_operand" "=r,r,r")
        (umin:SI (match_operand:SI 1 "s_register_operand" "0,r,?r")
                 (match_operand:SI 2 "arm_rhs_operand" "rI,0,rI")))
    (clobber (reg:CC CC_REGNUM))]
   "TARGET_ARM"
-  "@
-   cmp\\t%1, %2\;movcs\\t%0, %2
-   cmp\\t%1, %2\;movcc\\t%0, %1
-   cmp\\t%1, %2\;movcc\\t%0, %1\;movcs\\t%0, %2"
+  "#"
+   ; cmp\\t%1, %2\;movcs\\t%0, %2
+   ; cmp\\t%1, %2\;movcc\\t%0, %1
+   ; cmp\\t%1, %2\;movcc\\t%0, %1\;movcs\\t%0, %2"
+  "TARGET_ARM"
+  [(set (reg:CC CC_REGNUM)
+        (compare:CC (match_dup 1) (match_dup 2)))
+   (set (match_dup 0)
+        (if_then_else:SI (ltu:SI (reg:CC CC_REGNUM) (const_int 0))
+                         (match_dup 1)
+                         (match_dup 2)))]
+  ""
   [(set_attr "conds" "clob")
    (set_attr "length" "8,8,12")]
 )