aboutsummaryrefslogtreecommitdiff
path: root/tests/tcg/i386/test-i386-fisttp.c
diff options
context:
space:
mode:
Diffstat (limited to 'tests/tcg/i386/test-i386-fisttp.c')
-rw-r--r--tests/tcg/i386/test-i386-fisttp.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/tests/tcg/i386/test-i386-fisttp.c b/tests/tcg/i386/test-i386-fisttp.c
new file mode 100644
index 0000000000..16af59a774
--- /dev/null
+++ b/tests/tcg/i386/test-i386-fisttp.c
@@ -0,0 +1,100 @@
+/* Test fisttpl and fisttpll instructions. */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+union u {
+ struct { uint64_t sig; uint16_t sign_exp; } s;
+ long double ld;
+};
+
+volatile union u ld_invalid_1 = { .s = { 1, 1234 } };
+
+int main(void)
+{
+ int ret = 0;
+ int32_t res_32;
+ int64_t res_64;
+ __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (0x1p100L) : "st");
+ if (res_32 != INT32_MIN) {
+ printf("FAIL: fisttpl 0x1p100\n");
+ ret = 1;
+ }
+ __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (-0x1p100L) : "st");
+ if (res_32 != INT32_MIN) {
+ printf("FAIL: fisttpl -0x1p100\n");
+ ret = 1;
+ }
+ __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (__builtin_infl()) :
+ "st");
+ if (res_32 != INT32_MIN) {
+ printf("FAIL: fisttpl inf\n");
+ ret = 1;
+ }
+ __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (-__builtin_infl()) :
+ "st");
+ if (res_32 != INT32_MIN) {
+ printf("FAIL: fisttpl -inf\n");
+ ret = 1;
+ }
+ __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (__builtin_nanl("")) :
+ "st");
+ if (res_32 != INT32_MIN) {
+ printf("FAIL: fisttpl nan\n");
+ ret = 1;
+ }
+ __asm__ volatile ("fisttpl %0" : "=m" (res_32) :
+ "t" (-__builtin_nanl("")) : "st");
+ if (res_32 != INT32_MIN) {
+ printf("FAIL: fisttpl -nan\n");
+ ret = 1;
+ }
+ __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (ld_invalid_1.ld) :
+ "st");
+ if (res_32 != INT32_MIN) {
+ printf("FAIL: fisttpl invalid\n");
+ ret = 1;
+ }
+ __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (0x1p100L) : "st");
+ if (res_64 != INT64_MIN) {
+ printf("FAIL: fisttpll 0x1p100\n");
+ ret = 1;
+ }
+ __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (-0x1p100L) : "st");
+ if (res_64 != INT64_MIN) {
+ printf("FAIL: fisttpll -0x1p100\n");
+ ret = 1;
+ }
+ __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (__builtin_infl()) :
+ "st");
+ if (res_64 != INT64_MIN) {
+ printf("FAIL: fisttpll inf\n");
+ ret = 1;
+ }
+ __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (-__builtin_infl()) :
+ "st");
+ if (res_64 != INT64_MIN) {
+ printf("FAIL: fisttpll -inf\n");
+ ret = 1;
+ }
+ __asm__ volatile ("fisttpll %0" : "=m" (res_64) :
+ "t" (__builtin_nanl("")) : "st");
+ if (res_64 != INT64_MIN) {
+ printf("FAIL: fisttpll nan\n");
+ ret = 1;
+ }
+ __asm__ volatile ("fisttpll %0" : "=m" (res_64) :
+ "t" (-__builtin_nanl("")) : "st");
+ if (res_64 != INT64_MIN) {
+ printf("FAIL: fisttpll -nan\n");
+ ret = 1;
+ }
+ __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (ld_invalid_1.ld) :
+ "st");
+ if (res_64 != INT64_MIN) {
+ printf("FAIL: fisttpll invalid\n");
+ ret = 1;
+ }
+ return ret;
+}