From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 22 Jul 2010 20:48:42 +0000 (+0200)
Subject: re PR bootstrap/45028 (ICE building 64-bit libjava on Solaris 2/SPARC: output_operand... 
X-Git-Tag: releases/gcc-4.6.0~5499
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=828f2c8b2e0b7f6c0177480f5fe6628d1ba5b000;p=thirdparty%2Fgcc.git

re PR bootstrap/45028 (ICE building 64-bit libjava on Solaris 2/SPARC: output_operand: invalid expression as operand)

	PR bootstrap/45028
	* recgprop.c (copyprop_hardreg_forward_1): If changed is true,
	call cprop_find_used_regs again via note_uses.

From-SVN: r162427
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 321b27cd02d5..ac003a364e1e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-07-22  Jakub Jelinek  <jakub@redhat.com>
+
+	PR bootstrap/45028
+	* recgprop.c (copyprop_hardreg_forward_1): If changed is true,
+	call cprop_find_used_regs again via note_uses.
+
 2010-07-22  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* alias.c (get_alias_set): Fix formatting issues.
diff --git a/gcc/regcprop.c b/gcc/regcprop.c
index c4a22be91a7e..0e11f97dc10d 100644
--- a/gcc/regcprop.c
+++ b/gcc/regcprop.c
@@ -947,7 +947,14 @@ copyprop_hardreg_forward_1 (basic_block bb, struct value_data *vd)
 
     did_replacement:
       if (changed)
-	anything_changed = true;
+	{
+	  anything_changed = true;
+
+	  /* If something changed, perhaps further changes to earlier
+	     DEBUG_INSNs can be applied.  */
+	  if (vd->n_debug_insn_changes)
+	    note_uses (&PATTERN (insn), cprop_find_used_regs, vd);
+	}
 
       /* Clobber call-clobbered registers.  */
       if (CALL_P (insn))