* arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.

Rewrite to avoid use of match_dup.  Don't try to tie registers that
are not in the same mode.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37425 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 004b958..bb2a1c5 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2000-11-13  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
+       Rewrite to avoid use of match_dup.  Don't try to tie registers that
+       are not in the same mode.
+
 2000-11-13  Joseph S. Myers  <jsm28@cam.ac.uk>
 
        * invoke.texi: Update lists of languages and suffixes supported.

diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md
index a4d7b80..ddd6ace 100644 (file)
--- a/gcc/config/arm/arm.md
+++ b/gcc/config/arm/arm.md
@@ -1263,14 +1263,14 @@
 ;; Unnamed template to match long long multiply-accumlate (smlal)
 
 (define_insn "*mulsidi3adddi"
-  [(set (match_operand:DI 0 "s_register_operand" "+&r,&r,&r")
+  [(set (match_operand:DI 0 "s_register_operand" "=&r")
        (plus:DI
         (mult:DI
-         (sign_extend:DI (match_operand:SI 2 "s_register_operand" "r,0,1"))
-         (sign_extend:DI (match_operand:SI 1 "s_register_operand" "%r,r,r")))
-        (match_dup 0)))]
+         (sign_extend:DI (match_operand:SI 2 "s_register_operand" "%r"))
+         (sign_extend:DI (match_operand:SI 3 "s_register_operand" "r")))
+        (match_operand:DI 1 "s_register_operand" "0")))]
   "TARGET_ARM && arm_fast_multiply"
-  "smlal%?\\t%Q0, %R0, %1, %2"
+  "smlal%?\\t%Q0, %R0, %3, %2"
   [(set_attr "type" "mult")
    (set_attr "predicable" "yes")]
 )
@@ -1300,14 +1300,14 @@
 ;; Unnamed template to match long long unsigned multiply-accumlate (umlal)
 
 (define_insn "*umulsidi3adddi"
-  [(set (match_operand:DI 0 "s_register_operand" "+&r,&r,&r")
+  [(set (match_operand:DI 0 "s_register_operand" "=&r")
        (plus:DI
         (mult:DI
-         (zero_extend:DI (match_operand:SI 2 "s_register_operand" "r,0,1"))
-         (zero_extend:DI (match_operand:SI 1 "s_register_operand" "%r,r,r")))
-        (match_dup 0)))]
+         (zero_extend:DI (match_operand:SI 2 "s_register_operand" "%r"))
+         (zero_extend:DI (match_operand:SI 3 "s_register_operand" "r")))
+        (match_operand:DI 1 "s_register_operand" "0")))]
   "TARGET_ARM && arm_fast_multiply"
-  "umlal%?\\t%Q0, %R0, %1, %2"
+  "umlal%?\\t%Q0, %R0, %3, %2"
   [(set_attr "type" "mult")
    (set_attr "predicable" "yes")]
 )