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author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
tree | b5877475619e4c938e98757d518bb1e9cbead751 /string/test-strncmp.c | |
parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) | |
download | glibc-a334319f6530564d22e775935d9c91663623a1b4.zip glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.bz2 |
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'string/test-strncmp.c')
-rw-r--r-- | string/test-strncmp.c | 85 |
1 files changed, 4 insertions, 81 deletions
diff --git a/string/test-strncmp.c b/string/test-strncmp.c index 5adf0eb..431b64d 100644 --- a/string/test-strncmp.c +++ b/string/test-strncmp.c @@ -86,65 +86,6 @@ do_one_test (impl_t *impl, const char *s1, const char *s2, size_t n, } static void -do_test_limit (size_t align1, size_t align2, size_t len, size_t n, int max_char, - int exp_result) -{ - size_t i, align_n; - char *s1, *s2; - - if (n == 0) - { - s1 = (char*)(buf1 + page_size); - s2 = (char*)(buf2 + page_size); - if (HP_TIMING_AVAIL) - printf ("Length %4zd/%4zd:", len, n); - - FOR_EACH_IMPL (impl, 0) - do_one_test (impl, s1, s2, n, 0); - - if (HP_TIMING_AVAIL) - putchar ('\n'); - - return; - } - - align1 &= 15; - align2 &= 15; - align_n = (page_size - n) & 15; - - s1 = (char*)(buf1 + page_size - n); - s2 = (char*)(buf2 + page_size - n); - - if (align1 < align_n) - s1 -= (align_n - align1); - - if (align2 < align_n) - s2 -= (align_n - align2); - - for (i = 0; i < n; i++) - s1[i] = s2[i] = 1 + 23 * i % max_char; - - if (len < n) - { - s1[len] = 0; - s2[len] = 0; - if (exp_result < 0) - s2[len] = 32; - else if (exp_result > 0) - s1[len] = 64; - } - - if (HP_TIMING_AVAIL) - printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len, n, align1, align2); - - FOR_EACH_IMPL (impl, 0) - do_one_test (impl, s1, s2, n, exp_result); - - if (HP_TIMING_AVAIL) - putchar ('\n'); -} - -static void do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char, int exp_result) { @@ -162,8 +103,8 @@ do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char, if (align2 + n + 1 >= page_size) return; - s1 = (char*)(buf1 + align1); - s2 = (char*)(buf2 + align2); + s1 = buf1 + align1; + s2 = buf2 + align2; for (i = 0; i < n; i++) s1[i] = s2[i] = 1 + 23 * i % max_char; @@ -183,7 +124,7 @@ do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char, printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len, n, align1, align2); FOR_EACH_IMPL (impl, 0) - do_one_test (impl, (char*)s1, (char*)s2, n, exp_result); + do_one_test (impl, s1, s2, n, exp_result); if (HP_TIMING_AVAIL) putchar ('\n'); @@ -267,7 +208,7 @@ do_random_tests (void) FOR_EACH_IMPL (impl, 1) { - r = CALL (impl, (char*)(p1 + align1), (char*)(p2 + align2), size); + 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)); @@ -330,24 +271,6 @@ test_main (void) do_test (2 * i, i, 8 << i, 16 << i, 255, 0); do_test (2 * i, i, 8 << i, 16 << i, 255, 1); } - - do_test_limit (0, 0, 0, 0, 127, 0); - do_test_limit (4, 0, 21, 20, 127, 0); - do_test_limit (0, 4, 21, 20, 127, 0); - do_test_limit (8, 0, 25, 24, 127, 0); - do_test_limit (0, 8, 25, 24, 127, 0); - - for (i = 0; i < 8; ++i) - { - do_test_limit (0, 0, 17 - i, 16 - i, 127, 0); - do_test_limit (0, 0, 17 - i, 16 - i, 255, 0); - do_test_limit (0, 0, 15 - i, 16 - i, 127, 0); - do_test_limit (0, 0, 15 - i, 16 - i, 127, 1); - do_test_limit (0, 0, 15 - i, 16 - i, 127, -1); - do_test_limit (0, 0, 15 - i, 16 - i, 255, 0); - do_test_limit (0, 0, 15 - i, 16 - i, 255, 1); - do_test_limit (0, 0, 15 - i, 16 - i, 255, -1); - } do_random_tests (); return ret; |