From 55aa0757e2ea89e7f38e55bb323981e62b138d95 Mon Sep 17 00:00:00 2001
From: David Edelsohn <edelsohn@gnu.org>
Date: Tue, 28 Dec 2004 00:39:18 +0000
Subject: [PATCH] rs6000.c (rs6000_eliminate_indexed_memrefs): Do not break
apart constant pool addresses.
* config/rs6000/rs6000.c (rs6000_eliminate_indexed_memrefs):
Do not break apart constant pool addresses.
(rs6000_emit_move): Only force source into REG if target is MEM.
From-SVN: r92657
---
gcc/ChangeLog | 6 ++++++
gcc/config/rs6000/rs6000.c | 4 +++-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e01e7562c44d..66264fb33a8a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2004-12-27 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_eliminate_indexed_memrefs):
+ Do not break apart constant pool addresses.
+ (rs6000_emit_move): Only force source into REG if target is MEM.
+
2004-12-27 Mark Mitchell <mark@codesourcery.com>
PR c++/19148
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index f368b5f405e5..cf7c8eec816b 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -4233,6 +4233,7 @@ rs6000_eliminate_indexed_memrefs (rtx operands[2])
{
if (GET_CODE (operands[0]) == MEM
&& GET_CODE (XEXP (operands[0], 0)) != REG
+ && ! legitimate_constant_pool_address_p (XEXP (operands[0], 0))
&& ! reload_in_progress)
operands[0]
= replace_equiv_address (operands[0],
@@ -4240,6 +4241,7 @@ rs6000_eliminate_indexed_memrefs (rtx operands[2])
if (GET_CODE (operands[1]) == MEM
&& GET_CODE (XEXP (operands[1], 0)) != REG
+ && ! legitimate_constant_pool_address_p (XEXP (operands[1], 0))
&& ! reload_in_progress)
operands[1]
= replace_equiv_address (operands[1],
@@ -4294,7 +4296,7 @@ rs6000_emit_move (rtx dest, rtx source, enum machine_mode mode)
return;
}
- if (!no_new_pseudos && GET_CODE (operands[0]) != REG
+ if (!no_new_pseudos && GET_CODE (operands[0]) == MEM
&& !gpc_reg_operand (operands[1], mode))
operands[1] = force_reg (mode, operands[1]);
--
GitLab