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152 lines
3.7 KiB
152 lines
3.7 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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#include "../../common.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 CK_PR_SUB_T(w, v, d) \
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{ \
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uint##w##_t t = v; \
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ck_pr_sub_##w(&t, d); \
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if (t != (uint##w##_t)(v - d)) { \
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printf("FAIL ["); \
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printf("%" PRIu##w " (%" PRIu##w ") -> %" PRIu##w "]\n", \
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(uint##w##_t)v, d, t); \
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exit(EXIT_FAILURE); \
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} \
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}
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#define CK_PR_SUB_B(w) \
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{ \
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unsigned int __ck_i = 0; \
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printf("ck_pr_sub_" #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 = common_rand() % ((uint##w##_t)-1 / 2); \
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uint##w##_t b = common_rand() % ((uint##w##_t)-1 / 2); \
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CK_PR_SUB_T(w, a, b); \
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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_SUB_W(m, w) \
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{ \
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uint##m##_t t = 0, r = (uint##m##_t)(uint##w##_t)-1; \
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ck_pr_sub_##w((uint##w##_t *)(void *)&t, 1); \
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if (t != r) { \
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printf(" FAIL [%#" PRIx##m " != %#" PRIx##m "]\n", t, r); \
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exit(EXIT_FAILURE); \
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} \
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t = 0; \
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ck_pr_sub_##w((uint##w##_t *)(void *)&t, -1); \
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if (t != 1) { \
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printf(" FAIL [%#" PRIx##m " != 1]\n", t); \
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exit(EXIT_FAILURE); \
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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_SUB_64
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if (m == 64) {
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#if defined(CK_F_PR_SUB_32)
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CK_PR_SUB_W(64, 32);
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#endif
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#if defined(CK_PR_SUB_16)
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CK_PR_SUB_W(64, 16);
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#endif
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#if defined(CK_PR_SUB_8)
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CK_PR_SUB_W(64, 8);
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#endif
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}
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#endif /* CK_PR_SUB_64 */
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#ifdef CK_F_PR_SUB_32
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if (m == 32) {
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#if defined(CK_F_PR_SUB_16)
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CK_PR_SUB_W(32, 16);
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#endif
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#if defined(CK_PR_SUB_8)
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CK_PR_SUB_W(32, 8);
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#endif
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}
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#endif /* CK_PR_SUB_32 */
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#if defined(CK_F_PR_SUB_16) && defined(CK_PR_SUB_8)
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if (m == 16) {
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CK_PR_SUB_W(16, 8);
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}
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#endif /* CK_PR_SUB_16 && CK_PR_SUB_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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common_srand((unsigned int)getpid());
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#ifdef CK_F_PR_SUB_64
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CK_PR_SUB_B(64);
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#endif
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#ifdef CK_F_PR_SUB_32
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CK_PR_SUB_B(32);
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#endif
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#ifdef CK_F_PR_SUB_16
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CK_PR_SUB_B(16);
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#endif
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#ifdef CK_F_PR_SUB_8
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CK_PR_SUB_B(8);
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#endif
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return (0);
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}
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