From: Bernd Schmidt <bernds@redhat.com>
Date: Fri, 30 Mar 2001 13:13:16 +0000 (+0000)
Subject: Use eliminate_regs when looking for pseudo's equivalent memory location in an insn.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d0caf51394086e45d58238838f708a51e2c36a0f;p=thirdparty%2Fgcc.git

Use eliminate_regs when looking for pseudo's equivalent memory location in an insn.

From-SVN: r40964
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8639d907cfbe..f899c1c3e9ea 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -2,6 +2,9 @@
 
 	* jump.c (delete_barrier_successors): Fix error in last change.
 
+	* reload1.c (delete_output_reload): Call eliminate_regs on substed.
+	(reload_as_needed): Call update_eliminable_offsets a bit later.
+
 2001-03-28  Bernd Schmidt  <bernds@redhat.com>
 
 	* flow.c (propagate_block): When trying to delete a case vector, cope
diff --git a/gcc/reload1.c b/gcc/reload1.c
index e95ff5e7ef55..f8d87517a1b6 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -4278,9 +4278,6 @@ reload_as_needed (live_known)
 			    spill_reg_order);
 	    }
 
-	  if (num_eliminable && chain->need_elim)
-	    update_eliminable_offsets ();
-
 	  if (n_reloads > 0)
 	    {
 	      rtx next = NEXT_INSN (insn);
@@ -4327,6 +4324,10 @@ reload_as_needed (live_known)
 		      NOTE_LINE_NUMBER (p) = NOTE_INSN_DELETED;
 		    }
 	    }
+
+	  if (num_eliminable && chain->need_elim)
+	    update_eliminable_offsets ();
+
 	  /* Any previously reloaded spilled pseudo reg, stored in this insn,
 	     is no longer validly lying around to save a future reload.
 	     Note that this does not detect pseudos that were reloaded
@@ -8071,7 +8072,9 @@ delete_output_reload (insn, j, last_reload_reg)
     }
   n_occurrences = count_occurrences (PATTERN (insn), reg);
   if (substed)
-    n_occurrences += count_occurrences (PATTERN (insn), substed);
+    n_occurrences += count_occurrences (PATTERN (insn),
+					eliminate_regs (substed, 0,
+							NULL_RTX));
   if (n_occurrences > n_inherited)
     return;