From: Alexandre Oliva <aoliva@redhat.com>
Date: Mon, 8 Dec 2003 20:58:03 +0000 (+0000)
Subject: frv.md (subdi2): Merge with _internal insn_and_split, by using match_scratch.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1ff905e97f87d4fdff4c305fa2dbb10314e2ef59;p=gcc.git

frv.md (subdi2): Merge with _internal insn_and_split, by using match_scratch.

* config/frv/frv.md (subdi2): Merge with _internal insn_and_split,
by using match_scratch.
(negdi2): New.

From-SVN: r74438
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f5e0a287ee3..5bbfb64832f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2003-12-08  Alexandre Oliva  <aoliva@redhat.com>
+
+	* config/frv/frv.md (subdi2): Merge with _internal insn_and_split,
+	by using match_scratch.
+	(negdi2): New.
+
 2003-12-08  Jason Merrill <jason@redhat.com>
 	    Daniel Berlin  <dberlin@dberlin.org>
 
diff --git a/gcc/config/frv/frv.md b/gcc/config/frv/frv.md
index ce5ce8bac25..0748c265a62 100644
--- a/gcc/config/frv/frv.md
+++ b/gcc/config/frv/frv.md
@@ -2754,22 +2754,11 @@
 
 ;; Subtraction  No need to worry about constants, since the compiler
 ;; canonicalizes them into adddi3's.
-(define_expand "subdi3"
-  [(parallel [(set (match_operand:DI 0 "integer_register_operand" "")
-		   (minus:DI (match_operand:DI 1 "integer_register_operand" "")
-			     (match_operand:DI 2 "integer_register_operand" "")))
-	      (clobber (match_dup 3))])]
-  ""
-  "
-{
-  operands[3] = gen_reg_rtx (CCmode);
-}")
-
-(define_insn_and_split "*subdi3_internal"
+(define_insn_and_split "subdi3"
   [(set (match_operand:DI 0 "integer_register_operand" "=&e,e,e")
 	(minus:DI (match_operand:DI 1 "integer_register_operand" "e,0,e")
 		  (match_operand:DI 2 "integer_register_operand" "e,e,0")))
-   (clobber (match_operand:CC 3 "icc_operand" "=t,t,t"))]
+   (clobber (match_scratch:CC 3 "=t,t,t"))]
   ""
   "#"
   "reload_completed"
@@ -2842,6 +2831,31 @@
   [(set_attr "length" "4")
    (set_attr "type" "int")])
 
+(define_insn_and_split "negdi2"
+  [(set (match_operand:DI 0 "integer_register_operand" "=&e,e")
+	(neg:DI (match_operand:DI 1 "integer_register_operand" "e,0")))
+   (clobber (match_scratch:CC 2 "=t,t"))]
+  ""
+  "#"
+  "reload_completed"
+  [(match_dup 3)
+   (match_dup 4)]
+  "
+{
+  rtx op0_high = gen_highpart (SImode, operands[0]);
+  rtx op1_high = gen_rtx_REG (SImode, GPR_FIRST);
+  rtx op2_high = gen_highpart (SImode, operands[1]);
+  rtx op0_low  = gen_lowpart (SImode, operands[0]);
+  rtx op1_low  = op1_high;
+  rtx op2_low  = gen_lowpart (SImode, operands[1]);
+  rtx op3 = operands[2];
+
+  operands[3] = gen_subdi3_lower (op0_low, op1_low, op2_low, op3);
+  operands[4] = gen_subdi3_upper (op0_high, op1_high, op2_high, op3);
+}"
+  [(set_attr "length" "8")
+   (set_attr "type" "multi")])
+
 ;; Multiplication (same size)
 ;; (define_insn "muldi3"
 ;;   [(set (match_operand:DI 0 "register_operand" "=r")