df.c (read_modify_subreg_p): When osize == UNITS_PER_WORD, subreg is read/modify.

	* df.c (read_modify_subreg_p):  When osize == UNITS_PER_WORD,
	subreg is read/modify.

From-SVN: r61773

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 515a57d8eacfe6d06d60cf046b30072c09a2ba91..fbe7feba44dbe861461754c2ae2c7916c96e5563 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Sat Jan 25 16:11:22 CET 2003  Jan Hubicka  <jh@suse.cz>
+
+       * df.c (read_modify_subreg_p):  When osize == UNITS_PER_WORD,
+       subreg is read/modify.
+
 Sat Jan 25 15:55:08 CET 2003  Jan Hubicka  <jh@suse.cz>
 
        * i386.c (ix86_expand_movstr, ix86_expand_clrstr): Consistently

diff --git a/gcc/df.c b/gcc/df.c
index 40358de80aaff41ad7e5400d3db7f6b23a79ce0e..bbfa500edffad26c74725fc9a7672f19d3b752a7 100644 (file)
--- a/gcc/df.c
+++ b/gcc/df.c
@@ -915,7 +915,7 @@ read_modify_subreg_p (x)
     return true;
   if (isize <= UNITS_PER_WORD)
     return false;
-  if (osize >= UNITS_PER_WORD)
+  if (osize > UNITS_PER_WORD)
     return false;
   return true;
 }