(mulsi3_little, mulsi3_big): New define_expand patterns.

(mulsi3): Just use one of them.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@1668 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/config/i860/i860.md b/gcc/config/i860/i860.md
index ef15a40..6e510aa 100644 (file)
--- a/gcc/config/i860/i860.md
+++ b/gcc/config/i860/i860.md
@@ -1699,6 +1699,37 @@
   ""
   "
 {
+  if (WORDS_BIG_ENDIAN)
+    return gen_mulsi3_big (operands[0], operands[1], operands[2]);
+  else
+    return gen_mulsi3_little (operands[0], operands[1], operands[2]);
+}")
+
+(define_expand "mulsi3_little"
+  [(set (subreg:SI (match_dup 4) 0) (match_operand:SI 1 "general_operand" ""))
+   (set (subreg:SI (match_dup 5) 0) (match_operand:SI 2 "general_operand" ""))
+   (clobber (match_dup 3))
+   (set (subreg:SI (match_dup 3) 0)
+       (mult:SI (subreg:SI (match_dup 4) 0) (subreg:SI (match_dup 5) 0)))
+   (set (match_operand:SI 0 "register_operand" "") (subreg:SI (match_dup 3) 0))]
+  "! WORDS_BIG_ENDIAN"
+  "
+{
+  operands[3] = gen_reg_rtx (DImode);
+  operands[4] = gen_reg_rtx (DImode);
+  operands[5] = gen_reg_rtx (DImode);
+}")
+
+(define_expand "mulsi3_big"
+  [(set (subreg:SI (match_dup 4) 1) (match_operand:SI 1 "general_operand" ""))
+   (set (subreg:SI (match_dup 5) 1) (match_operand:SI 2 "general_operand" ""))
+   (clobber (match_dup 3))
+   (set (subreg:SI (match_dup 3) 0)
+       (mult:SI (subreg:SI (match_dup 4) 0) (subreg:SI (match_dup 5) 0)))
+   (set (match_operand:SI 0 "register_operand" "") (subreg:SI (match_dup 3) 0))]
+  "WORDS_BIG_ENDIAN"
+  "
+{
   operands[3] = gen_reg_rtx (DImode);
   operands[4] = gen_reg_rtx (DImode);
   operands[5] = gen_reg_rtx (DImode);