diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 412b22d452a..0685d67c2c3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Fri Apr 23 14:36:47 1999  Richard Henderson  <rth@cygnus.com>
+
+	* alpha.c (alpha_expand_prologue): Don't negate frame size
+	for use with subq.
+
 Fri Apr 23 09:43:18 1999  Nick Clifton  <nickc@cygnus.com>
 
 	* print-rtl.c (print_rtx): Display LABEL_NUSES for labels.
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c
index ca282786aca..5c8564dcfe3 100644
--- a/gcc/config/alpha/alpha.c
+++ b/gcc/config/alpha/alpha.c
@@ -3449,8 +3449,8 @@ alpha_expand_prologue ()
 	     ensure we get ldah+lda, we use a special pattern.  */
 
 	  HOST_WIDE_INT lo, hi;
-	  lo = ((-frame_size & 0xffff) ^ 0x8000) - 0x8000;
-	  hi = -frame_size - lo;
+	  lo = ((frame_size & 0xffff) ^ 0x8000) - 0x8000;
+	  hi = frame_size - lo;
 
 	  emit_move_insn (ptr, GEN_INT (hi));
 	  emit_insn (gen_nt_lda (ptr, GEN_INT (lo)));