From: Jeffrey A Law <law@cygnus.com>
Date: Sun, 17 Oct 1999 23:08:36 +0000 (+0000)
Subject: * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7739ebae532a59826503967bca495918273fe9e5;p=gcc.git

* pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).

From-SVN: r30060
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e4feac5d4fe..9749bb0ffd5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 Sun Oct 17 15:22:50 1999  Jeffrey A Law  (law@cygnus.com)
 
+	* pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
+
 	* haifa-sched.c (add_dependence): Only check/update the cache
 	if it exists.
 	(remove_dependence): Likewise.
diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c
index 6af006693cc..28fdf933589 100644
--- a/gcc/config/pa/pa.c
+++ b/gcc/config/pa/pa.c
@@ -332,6 +332,14 @@ move_operand (op, mode)
 
   op = XEXP (op, 0);
 
+  /* The LO_SUM part of a DLT reference is not considered a move_operand;
+     we must reject it here since it must be accepted by memory_address_p.  */
+  if (GET_CODE (op) == LO_SUM
+      && GET_CODE (XEXP (op, 0)) == REG
+      && REG_OK_FOR_BASE_P (XEXP (op, 0))
+      && GET_CODE (XEXP (op, 1)) == UNSPEC)
+    return 0;
+
   /* Since move_operand is only used for source operands, we can always
      allow scaled indexing!  */
   if (! TARGET_DISABLE_INDEXING