From ae451f6e1c875476feb8a6bd84a77a31d8116606 Mon Sep 17 00:00:00 2001
From: mueller <mueller@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 19 Jan 2007 14:11:05 +0000
Subject: [PATCH] 2007-01-19 Dirk Mueller <dmueller@suse.de>
* config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
duplicate evaluation.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120967 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 6 ++++++
gcc/config/i386/i386.h | 8 +++++---
2 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4ef531ab020f..3f7d96e6fd04 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2007-01-19 Dirk Mueller <dmueller@suse.de>
+
+ * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
+ result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
+ duplicate evaluation.
+
2007-01-19 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index 7ccecafd9eb6..19dabcc630a0 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -854,6 +854,7 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
#define CONDITIONAL_REGISTER_USAGE \
do { \
int i; \
+ unsigned int j; \
for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) \
{ \
if (fixed_regs[i] > 1) \
@@ -862,10 +863,11 @@ do { \
call_used_regs[i] = (call_used_regs[i] \
== (TARGET_64BIT ? 3 : 2)); \
} \
- if (PIC_OFFSET_TABLE_REGNUM != INVALID_REGNUM) \
+ j = PIC_OFFSET_TABLE_REGNUM; \
+ if (j != INVALID_REGNUM) \
{ \
- fixed_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \
- call_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \
+ fixed_regs[j] = 1; \
+ call_used_regs[j] = 1; \
} \
if (! TARGET_MMX) \
{ \
--
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