103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
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/*
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* Test the CONVERT TO BINARY instruction.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <assert.h>
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#include <signal.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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static int signum;
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static void signal_handler(int n)
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{
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signum = n;
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}
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#define FAIL 0x1234567887654321
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#define OK32(x) (0x1234567800000000 | (uint32_t)(x))
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static int64_t cvb(uint64_t x)
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{
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int64_t ret = FAIL;
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signum = -1;
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asm("cvb %[ret],%[x]" : [ret] "+r" (ret) : [x] "R" (x));
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return ret;
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}
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static int64_t cvby(uint64_t x)
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{
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int64_t ret = FAIL;
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signum = -1;
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asm("cvby %[ret],%[x]" : [ret] "+r" (ret) : [x] "T" (x));
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return ret;
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}
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static int64_t cvbg(__uint128_t x)
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{
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int64_t ret = FAIL;
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signum = -1;
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asm("cvbg %[ret],%[x]" : [ret] "+r" (ret) : [x] "T" (x));
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return ret;
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}
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int main(void)
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{
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__uint128_t m = (((__uint128_t)0x9223372036854775) << 16) | 0x8070;
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struct sigaction act;
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int err;
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memset(&act, 0, sizeof(act));
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act.sa_handler = signal_handler;
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err = sigaction(SIGFPE, &act, NULL);
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assert(err == 0);
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err = sigaction(SIGILL, &act, NULL);
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assert(err == 0);
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assert(cvb(0xc) == OK32(0) && signum == -1);
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assert(cvb(0x1c) == OK32(1) && signum == -1);
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assert(cvb(0x25594c) == OK32(25594) && signum == -1);
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assert(cvb(0x1d) == OK32(-1) && signum == -1);
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assert(cvb(0x2147483647c) == OK32(0x7fffffff) && signum == -1);
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assert(cvb(0x2147483648d) == OK32(-0x80000000) && signum == -1);
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assert(cvb(0x7) == FAIL && signum == SIGILL);
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assert(cvb(0x2147483648c) == OK32(0x80000000) && signum == SIGFPE);
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assert(cvb(0x3000000000c) == OK32(0xb2d05e00) && signum == SIGFPE);
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assert(cvb(0x2147483649d) == OK32(0x7fffffff) && signum == SIGFPE);
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assert(cvb(0x3000000000d) == OK32(0x4d2fa200) && signum == SIGFPE);
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assert(cvby(0xc) == OK32(0));
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assert(cvby(0x1c) == OK32(1));
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assert(cvby(0x25594c) == OK32(25594));
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assert(cvby(0x1d) == OK32(-1));
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assert(cvby(0x2147483647c) == OK32(0x7fffffff));
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assert(cvby(0x2147483648d) == OK32(-0x80000000));
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assert(cvby(0x7) == FAIL && signum == SIGILL);
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assert(cvby(0x2147483648c) == OK32(0x80000000) && signum == SIGFPE);
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assert(cvby(0x3000000000c) == OK32(0xb2d05e00) && signum == SIGFPE);
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assert(cvby(0x2147483649d) == OK32(0x7fffffff) && signum == SIGFPE);
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assert(cvby(0x3000000000d) == OK32(0x4d2fa200) && signum == SIGFPE);
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assert(cvbg(0xc) == 0);
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assert(cvbg(0x1c) == 1);
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assert(cvbg(0x25594c) == 25594);
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assert(cvbg(0x1d) == -1);
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assert(cvbg(m + 0xc) == 0x7fffffffffffffff);
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assert(cvbg(m + 0x1d) == -0x8000000000000000);
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assert(cvbg(0x7) == FAIL && signum == SIGILL);
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assert(cvbg(m + 0x1c) == FAIL && signum == SIGFPE);
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assert(cvbg(m + 0x2d) == FAIL && signum == SIGFPE);
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assert(cvbg(((__uint128_t)1 << 80) + 0xc) == FAIL && signum == SIGFPE);
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assert(cvbg(((__uint128_t)1 << 80) + 0xd) == FAIL && signum == SIGFPE);
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return EXIT_SUCCESS;
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}
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