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2003-09-15  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/i386/Makefile (sysdep-CFLAGS): If not in math or csu
	subdir, add -mpreferred-stack-boundary=4, with few exceptions.

2003-09-17  Jakub Jelinek  <jakub@redhat.com>

	* Makeconfig (stack-align-test-flags): Set.
	* stdlib/Makefile (CFLAGS-tst-bsearch.c): Add
	$(stack-align-test-flags).
	* stdlib/tst-bsearch.c: Include tst-stack-align.h.
	(align_check): New var.
	(comp): Use TEST_STACK_ALIGN macro.
	(do_test): Fail if align_check != 1.
	* sysdeps/generic/tst-stack-align.h: New file.
	* sysdeps/i386/i686/Makefile (stack-align-test-flags): Add -msse.
	* sysdeps/i386/i686/tst-stack-align.h: New file.
This commit is contained in:
Ulrich Drepper
2003-09-17 08:47:44 +00:00
parent 6c052003bd
commit a4db3439f1
13 changed files with 179 additions and 25 deletions
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18
stdlib/tst-bsearch.c
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@ -1,4 +1,4 @@
/* Copyright (C) 2000, 2002 Free Software Foundation, Inc.
/* Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2000.
@ -19,6 +19,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <tst-stack-align.h>
struct entry
{
@ -40,6 +41,7 @@ struct entry
};
#define narr (sizeof (arr) / sizeof (arr[0]))
static int align_check;
static int
comp (const void *p1, const void *p2)
@ -47,6 +49,9 @@ comp (const void *p1, const void *p2)
struct entry *e1 = (struct entry *) p1;
struct entry *e2 = (struct entry *) p2;
if (!align_check)
align_check = TEST_STACK_ALIGN () ? -1 : 1;
return e1->val - e2->val;
}
@ -128,6 +133,17 @@ main (void)
}
}
if (align_check == 0)
{
puts ("alignment not checked");
result = 1;
}
else if (align_check == -1)
{
puts ("stack not sufficiently aligned");
result = 1;
}
if (result == 0)
puts ("all OK");