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157 lines
3.9 KiB
157 lines
3.9 KiB
/*
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* Copyright 2009 Samy Al Bahra.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <inttypes.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <ck_pr.h>
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#ifndef R_REPEAT
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#define R_REPEAT 200000
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#endif
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#define W(w, x) (uint##w##_t)((x) & (uint##w##_t)~0)
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#define CK_PR_CAS_T(w, v, c, s) \
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{ \
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uint##w##_t t = v; \
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bool r; \
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r = ck_pr_cas_##w(&t, c, s); \
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if (((c == v) && (r == false)) || ((c != v) && (r == true)) || \
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((r == true) && (W(w, s) != t))) { \
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printf("FAIL ["); \
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printf("%" PRIu##w " (%" PRIu##w " -> %" PRIu##w ")" \
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" -> %" PRIu##w "]\n", \
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(uint##w##_t)(v), (uint##w##_t)(c), W(w, s), (uint##w##_t)(t)); \
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} \
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}
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#define CK_PR_CAS_B(w) \
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{ \
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unsigned int __ck_i; \
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printf("ck_pr_cas_" #w ": "); \
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if (w < 10) \
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printf(" "); \
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for (__ck_i = 0; __ck_i < R_REPEAT; __ck_i++) { \
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uint##w##_t a = random() % (uint##w##_t)-1; \
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CK_PR_CAS_T(w, a, a + 1, (a - 1)); \
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CK_PR_CAS_T(w, a, a, (a - 1)); \
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CK_PR_CAS_T(w, a, a + 1, a); \
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} \
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rg_width(w); \
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printf(" SUCCESS\n"); \
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}
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#define CK_PR_CAS_W(m, w) \
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{ \
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uint##m##_t t = -1, r = -1 & ~(uint##m##_t)(uint##w##_t)-1; \
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ck_pr_cas_##w((uint##w##_t *)(void *)&t, (uint##w##_t)t, 0); \
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if (t != r) { \
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printf("FAIL [%#" PRIx##m " != %#" PRIx##m "]\n", \
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(uint##m##_t)t, (uint##m##_t)r); \
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} \
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}
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static void
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rg_width(int m)
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{
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/* Other architectures are bi-endian. */
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#if !defined(__x86__) && !defined(__x86_64__)
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return;
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#endif
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#ifdef CK_F_PR_CAS_64
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if (m == 64) {
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#if defined(CK_F_PR_CAS_32)
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CK_PR_CAS_W(64, 32);
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#endif
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#if defined(CK_PR_CAS_16)
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CK_PR_CAS_W(64, 16);
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#endif
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#if defined(CK_PR_CAS_8)
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CK_PR_CAS_W(64, 8);
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#endif
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}
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#endif /* CK_PR_CAS_64 */
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#ifdef CK_F_PR_CAS_32
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if (m == 32) {
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#if defined(CK_F_PR_CAS_16)
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CK_PR_CAS_W(32, 16);
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#endif
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#if defined(CK_PR_CAS_8)
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CK_PR_CAS_W(32, 8);
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#endif
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}
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#endif /* CK_PR_CAS_32 */
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#if defined(CK_F_PR_CAS_16) && defined(CK_PR_CAS_8)
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if (m == 16) {
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CK_PR_CAS_W(16, 8);
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}
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#endif /* CK_PR_CAS_16 && CK_PR_CAS_8 */
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return;
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}
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int
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main(void)
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{
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srandom((unsigned int)getpid());
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#ifdef CK_F_PR_CAS_64
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CK_PR_CAS_B(64);
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#endif
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#ifdef CK_F_PR_CAS_32
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CK_PR_CAS_B(32);
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#endif
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#ifdef CK_F_PR_CAS_16
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CK_PR_CAS_B(16);
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#endif
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#ifdef CK_F_PR_CAS_8
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CK_PR_CAS_B(8);
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#endif
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#ifdef CK_F_PR_CAS_64_VALUE
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uint64_t a = 0xffffffffaaaaaaaa, b = 0x8888888800000000;
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printf("%" PRIx64 " (%" PRIx64 ") -> ", b, a);
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ck_pr_cas_64_value(&a, a, b, &b);
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printf("%" PRIx64 " (%" PRIx64 ")\n", b, a);
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#endif
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return (0);
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}
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