101 lines
3 KiB
C
101 lines
3 KiB
C
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/* Test fisttpl and fisttpll instructions. */
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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union u {
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struct { uint64_t sig; uint16_t sign_exp; } s;
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long double ld;
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};
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volatile union u ld_invalid_1 = { .s = { 1, 1234 } };
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int main(void)
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{
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int ret = 0;
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int32_t res_32;
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int64_t res_64;
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__asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (0x1p100L) : "st");
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if (res_32 != INT32_MIN) {
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printf("FAIL: fisttpl 0x1p100\n");
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ret = 1;
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}
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__asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (-0x1p100L) : "st");
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if (res_32 != INT32_MIN) {
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printf("FAIL: fisttpl -0x1p100\n");
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ret = 1;
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}
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__asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (__builtin_infl()) :
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"st");
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if (res_32 != INT32_MIN) {
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printf("FAIL: fisttpl inf\n");
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ret = 1;
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}
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__asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (-__builtin_infl()) :
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"st");
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if (res_32 != INT32_MIN) {
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printf("FAIL: fisttpl -inf\n");
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ret = 1;
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}
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__asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (__builtin_nanl("")) :
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"st");
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if (res_32 != INT32_MIN) {
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printf("FAIL: fisttpl nan\n");
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ret = 1;
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}
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__asm__ volatile ("fisttpl %0" : "=m" (res_32) :
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"t" (-__builtin_nanl("")) : "st");
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if (res_32 != INT32_MIN) {
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printf("FAIL: fisttpl -nan\n");
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ret = 1;
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}
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__asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (ld_invalid_1.ld) :
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"st");
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if (res_32 != INT32_MIN) {
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printf("FAIL: fisttpl invalid\n");
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ret = 1;
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}
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__asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (0x1p100L) : "st");
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if (res_64 != INT64_MIN) {
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printf("FAIL: fisttpll 0x1p100\n");
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ret = 1;
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}
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__asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (-0x1p100L) : "st");
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if (res_64 != INT64_MIN) {
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printf("FAIL: fisttpll -0x1p100\n");
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ret = 1;
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}
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__asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (__builtin_infl()) :
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"st");
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if (res_64 != INT64_MIN) {
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printf("FAIL: fisttpll inf\n");
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ret = 1;
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}
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__asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (-__builtin_infl()) :
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"st");
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if (res_64 != INT64_MIN) {
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printf("FAIL: fisttpll -inf\n");
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ret = 1;
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}
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__asm__ volatile ("fisttpll %0" : "=m" (res_64) :
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"t" (__builtin_nanl("")) : "st");
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if (res_64 != INT64_MIN) {
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printf("FAIL: fisttpll nan\n");
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ret = 1;
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}
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__asm__ volatile ("fisttpll %0" : "=m" (res_64) :
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"t" (-__builtin_nanl("")) : "st");
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if (res_64 != INT64_MIN) {
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printf("FAIL: fisttpll -nan\n");
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ret = 1;
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}
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__asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (ld_invalid_1.ld) :
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"st");
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if (res_64 != INT64_MIN) {
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printf("FAIL: fisttpll invalid\n");
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ret = 1;
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}
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return ret;
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}
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