Minor performance tweak, and workaround for reload bug.

	* config/i386/i386.md (subdi3_1): Add call to ix86_binary_operator_ok.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58432 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4174a7c..27c9afd 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2002-10-22  Jim Wilson  <wilson@redhat.com>
+
+       * config/i386/i386.md (subdi3_1): Add call to ix86_binary_operator_ok.
+
 Wed Oct 23 01:52:36 CEST 2002  Jan Hubicka  <jh@suse.cz>
 
        PR other/8289

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 30b5c9e..a09da46 100644 (file)
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -6359,7 +6359,7 @@
        (minus:DI (match_operand:DI 1 "nonimmediate_operand" "0,0")
                  (match_operand:DI 2 "general_operand" "roiF,riF")))
    (clobber (reg:CC 17))]
-  "!TARGET_64BIT"
+  "!TARGET_64BIT && ix86_binary_operator_ok (MINUS, DImode, operands)"
   "#")
 
 (define_split