* i386.md (neghi): Use the whole register when widening the op.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@26443 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3074525..a701e94 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Wed Apr 14 09:39:20 1999  Richard Henderson  <rth@cygnus.com>
+
+       * i386.md (neghi): Use the whole register when widening the op.
+
 1999-04-14 12:37 -0400  Zack Weinberg  <zack@rabi.columbia.edu>
 
        * cpperror.c, cppexp.c, cpplib.c: Never call abort.

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index b1b681d..ef062b9 100644 (file)
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -4740,7 +4740,7 @@ byte_xor_operation:
     if (REG_P (operands[0]) && i386_cc_probably_useless_p (insn))
       {
        CC_STATUS_INIT;
-       return AS1(neg%L0,%0);
+       return AS1(neg%L0,%k0);
       }
     return AS1(neg%W0,%0);")