From: Mark Mitchell <mark@codesourcery.com>
Date: Tue, 31 Aug 2004 06:31:06 +0000 (+0000)
Subject: revert: re PR rtl-optimization/16590 (Incorrect execution when compiling with -O2)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9b76aa3b1b09b823ab4604a8a3abce76d447a5b9;p=gcc.git

revert: re PR rtl-optimization/16590 (Incorrect execution when compiling with -O2)

	Revert:
	2004-08-29  Mark Mitchell  <mark@codesourcery.com>
	PR rtl-optimization/16590
	* gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.

	* g++.dg/opt/loop1.C: XFAIL.

From-SVN: r86820
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1a4aa168673..18a373d5b89 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2004-08-30  Mark Mitchell  <mark@codesourcery.com>
+
+	Revert:
+	2004-08-29  Mark Mitchell  <mark@codesourcery.com>
+	PR rtl-optimization/16590
+	* gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
+
 2004-08-30  Andrew Pinski  <apinski@apple.com>
 
 	* hard-reg-set.h: 
diff --git a/gcc/gcse.c b/gcc/gcse.c
index 0d602801594..16d76fe4d6c 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -4463,9 +4463,7 @@ pre_delete (void)
 		  expr->reaching_reg
 		    = gen_reg_rtx (GET_MODE (SET_DEST (set)));
 
-		emit_insn_after (gen_move_insn (SET_DEST (set), 
-						expr->reaching_reg), 
-				 insn);
+		gcse_emit_move_after (expr->reaching_reg, SET_DEST (set), insn);
 		delete_insn (insn);
 		occr->deleted_p = 1;
 		SET_BIT (pre_redundant_insns, INSN_CUID (insn));
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f3dde948c83..8e6d1be2a8e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2004-08-30  Mark Mitchell  <mark@codesourcery.com>
+
+	* g++.dg/opt/loop1.C: XFAIL.
+
 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
 
 	* gcc.dg/funcdef-storage-1.c: New.
diff --git a/gcc/testsuite/g++.dg/opt/loop1.C b/gcc/testsuite/g++.dg/opt/loop1.C
index ad0308e7f95..a90e7a6c6fe 100644
--- a/gcc/testsuite/g++.dg/opt/loop1.C
+++ b/gcc/testsuite/g++.dg/opt/loop1.C
@@ -1,5 +1,5 @@
 // PR rtl-optimization/16590
-// { dg-do run }
+// { dg-do run { xfail *-*-* } }
 // { dg-options "-O2" }
 
 extern "C" void abort();