From: Jan Hubicka <jh@suse.cz>
Date: Wed, 21 Mar 2001 17:54:00 +0000 (+0100)
Subject: * recog.c (push_operand): Recognize new format of push instructions.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=70a324958b2556acba361a23255fdf56fa9062aa;p=gcc.git

* recog.c (push_operand): Recognize new format of push instructions.

From-SVN: r40694
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 90ab3876c38..15dabb08405 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Wed Mar 21 18:51:19 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+	* recog.c (push_operand): Recognize new format of push instructions.
+
 Wed Mar 21 10:53:57 CET 2001  Jan Hubicka  <jh@suse.cz>
 
 	* i386.md (pushqi1): New.
diff --git a/gcc/recog.c b/gcc/recog.c
index bf8a3e37087..195d3f4c2c9 100644
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -1358,8 +1358,26 @@ push_operand (op, mode)
 
   op = XEXP (op, 0);
 
-  if (GET_CODE (op) != STACK_PUSH_CODE)
-    return 0;
+  if (PUSH_ROUNDING (GET_MODE_SIZE (mode)) == GET_MODE_SIZE (mode))
+    {
+      if (GET_CODE (op) != STACK_PUSH_CODE)
+	return 0;
+    }
+  else
+    {
+      int rounded_size = PUSH_ROUNDING (GET_MODE_SIZE (mode));
+      if (GET_CODE (op) != PRE_MODIFY
+	  || GET_CODE (XEXP (op, 1)) != PLUS
+	  || XEXP (XEXP (op, 1), 0) != XEXP (op, 0)
+	  || GET_CODE (XEXP (XEXP (op, 1), 1)) != CONST_INT
+#ifdef STACK_GROWS_DOWNWARD
+	  || INTVAL (XEXP (XEXP (op, 1), 1)) != -rounded_size
+#else
+	  || INTVAL (XEXP (XEXP (op, 1), 1)) != rounded_size
+#endif
+	  )
+	return 0;
+    }
 
   return XEXP (op, 0) == stack_pointer_rtx;
 }