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* string/test-strcmp.c (do_random_tests): Test whether return value

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has been promoted to wordsize if the ABI requires caller to do so.
	* string/test-strncmp.c (do_random_tests): Likewise.
	* string/test-memcmp.c (do_random_tests): Likewise.

	* sysdeps/powerpc/powerpc64/strcmp.S (strcmp): Sign extend rRTN
	before returning.
This commit is contained in:
Roland McGrath
2003-04-11 22:11:44 +00:00
parent b35fce97f8
commit 9fb0cae85c
6 changed files with 38 additions and 9 deletions
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10
string/test-strncmp.c
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@ -1,5 +1,5 @@
/* Test and measure strncmp functions.
Copyright (C) 1999, 2002 Free Software Foundation, Inc.
Copyright (C) 1999, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Jakub Jelinek <jakub@redhat.com>, 1999.
@ -132,7 +132,8 @@ static void
do_random_tests (void)
{
size_t i, j, n, align1, align2, pos, len1, len2, size;
int result, r;
int result;
long r;
unsigned char *p1 = buf1 + page_size - 512;
unsigned char *p2 = buf2 + page_size - 512;
@ -206,11 +207,14 @@ do_random_tests (void)
FOR_EACH_IMPL (impl, 1)
{
r = CALL (impl, p1 + align1, p2 + align2, size);
/* Test whether on 64-bit architectures where ABI requires
callee to promote has the promotion been done. */
asm ("" : "=g" (r) : "0" (r));
if ((r == 0 && result)
|| (r < 0 && result >= 0)
|| (r > 0 && result <= 0))
{
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd, %zd, %zd, %zd) %d != %d, p1 %p p2 %p",
error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd, %zd, %zd, %zd) %ld != %d, p1 %p p2 %p",
n, impl->name, align1, align2, len1, len2, pos, size, r, result, p1, p2);
ret = 1;
}