From: Jakub Jelinek <jakub@redhat.com>
Date: Tue, 27 Jan 2004 10:27:40 +0000 (+0100)
Subject: i386.c (ix86_constant_alignment): Decrease alignment of long string literals from... 
X-Git-Tag: releases/gcc-4.0.0~10658
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4137ba7ab7a1d7be1a3452dcf7f5a3818dcb4c6b;p=thirdparty%2Fgcc.git

i386.c (ix86_constant_alignment): Decrease alignment of long string literals from 32 bytes to sizeof (void *) when...

	* config/i386/i386.c (ix86_constant_alignment): Decrease alignment
	of long string literals from 32 bytes to sizeof (void *) when !-Os
	and to 1 with -Os.

From-SVN: r76694
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b9e9d5711498..05c5fb5a9dca 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2004-01-27  Jakub Jelinek  <jakub@redhat.com>
+
+	* config/i386/i386.c (ix86_constant_alignment): Decrease alignment
+	of long string literals from 32 bytes to sizeof (void *) when !-Os
+	and to 1 with -Os.
+
 2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* config/h8300/h8300.c (h8300_tiny_constant_address_p): Accept
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 79102cfefdb9..1401fc0ed94d 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -12565,9 +12565,9 @@ ix86_constant_alignment (tree exp, int align)
       else if (ALIGN_MODE_128 (TYPE_MODE (TREE_TYPE (exp))) && align < 128)
 	return 128;
     }
-  else if (TREE_CODE (exp) == STRING_CST && TREE_STRING_LENGTH (exp) >= 31
-	   && align < 256)
-    return 256;
+  else if (!optimize_size && TREE_CODE (exp) == STRING_CST
+	   && TREE_STRING_LENGTH (exp) >= 31 && align < BITS_PER_WORD)
+    return BITS_PER_WORD;
 
   return align;
 }