diff options
| -rw-r--r-- | tests/tcg/s390x/Makefile.target | 1 | ||||
| -rw-r--r-- | tests/tcg/s390x/cvb.c | 102 |
2 files changed, 103 insertions, 0 deletions
diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 04e4bddd83..e2aba2ec27 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -46,6 +46,7 @@ TESTS+=laalg TESTS+=add-logical-with-carry TESTS+=lae TESTS+=cvd +TESTS+=cvb cdsg: CFLAGS+=-pthread cdsg: LDFLAGS+=-pthread diff --git a/tests/tcg/s390x/cvb.c b/tests/tcg/s390x/cvb.c new file mode 100644 index 0000000000..e1735f6b81 --- /dev/null +++ b/tests/tcg/s390x/cvb.c @@ -0,0 +1,102 @@ +/* + * Test the CONVERT TO BINARY instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include <assert.h> +#include <signal.h> +#include <stdint.h> +#include <stdlib.h> +#include <string.h> + +static int signum; + +static void signal_handler(int n) +{ + signum = n; +} + +#define FAIL 0x1234567887654321 +#define OK32(x) (0x1234567800000000 | (uint32_t)(x)) + +static int64_t cvb(uint64_t x) +{ + int64_t ret = FAIL; + + signum = -1; + asm("cvb %[ret],%[x]" : [ret] "+r" (ret) : [x] "R" (x)); + + return ret; +} + +static int64_t cvby(uint64_t x) +{ + int64_t ret = FAIL; + + signum = -1; + asm("cvby %[ret],%[x]" : [ret] "+r" (ret) : [x] "T" (x)); + + return ret; +} + +static int64_t cvbg(__uint128_t x) +{ + int64_t ret = FAIL; + + signum = -1; + asm("cvbg %[ret],%[x]" : [ret] "+r" (ret) : [x] "T" (x)); + + return ret; +} + +int main(void) +{ + __uint128_t m = (((__uint128_t)0x9223372036854775) << 16) | 0x8070; + struct sigaction act; + int err; + + memset(&act, 0, sizeof(act)); + act.sa_handler = signal_handler; + err = sigaction(SIGFPE, &act, NULL); + assert(err == 0); + err = sigaction(SIGILL, &act, NULL); + assert(err == 0); + + assert(cvb(0xc) == OK32(0) && signum == -1); + assert(cvb(0x1c) == OK32(1) && signum == -1); + assert(cvb(0x25594c) == OK32(25594) && signum == -1); + assert(cvb(0x1d) == OK32(-1) && signum == -1); + assert(cvb(0x2147483647c) == OK32(0x7fffffff) && signum == -1); + assert(cvb(0x2147483648d) == OK32(-0x80000000) && signum == -1); + assert(cvb(0x7) == FAIL && signum == SIGILL); + assert(cvb(0x2147483648c) == OK32(0x80000000) && signum == SIGFPE); + assert(cvb(0x3000000000c) == OK32(0xb2d05e00) && signum == SIGFPE); + assert(cvb(0x2147483649d) == OK32(0x7fffffff) && signum == SIGFPE); + assert(cvb(0x3000000000d) == OK32(0x4d2fa200) && signum == SIGFPE); + + assert(cvby(0xc) == OK32(0)); + assert(cvby(0x1c) == OK32(1)); + assert(cvby(0x25594c) == OK32(25594)); + assert(cvby(0x1d) == OK32(-1)); + assert(cvby(0x2147483647c) == OK32(0x7fffffff)); + assert(cvby(0x2147483648d) == OK32(-0x80000000)); + assert(cvby(0x7) == FAIL && signum == SIGILL); + assert(cvby(0x2147483648c) == OK32(0x80000000) && signum == SIGFPE); + assert(cvby(0x3000000000c) == OK32(0xb2d05e00) && signum == SIGFPE); + assert(cvby(0x2147483649d) == OK32(0x7fffffff) && signum == SIGFPE); + assert(cvby(0x3000000000d) == OK32(0x4d2fa200) && signum == SIGFPE); + + assert(cvbg(0xc) == 0); + assert(cvbg(0x1c) == 1); + assert(cvbg(0x25594c) == 25594); + assert(cvbg(0x1d) == -1); + assert(cvbg(m + 0xc) == 0x7fffffffffffffff); + assert(cvbg(m + 0x1d) == -0x8000000000000000); + assert(cvbg(0x7) == FAIL && signum == SIGILL); + assert(cvbg(m + 0x1c) == FAIL && signum == SIGFPE); + assert(cvbg(m + 0x2d) == FAIL && signum == SIGFPE); + assert(cvbg(((__uint128_t)1 << 80) + 0xc) == FAIL && signum == SIGFPE); + assert(cvbg(((__uint128_t)1 << 80) + 0xd) == FAIL && signum == SIGFPE); + + return EXIT_SUCCESS; +} |