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ck/regressions/ck_pr/validate/ck_pr_cas.c

152 lines
3.8 KiB

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