qemu/tests/tcg/openrisc/test_extx.c

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C
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#include <stdio.h>
int main(void)
{
int a, b;
int result;
b = 0x83;
result = 0xffffff83;
__asm
("l.extbs %0, %1\n\t"
: "=r"(a)
: "r"(b)
);
if (a != result) {
printf("extbs error\n");
return -1;
}
result = 0x83;
__asm
("l.extbz %0, %1\n\t"
: "=r"(a)
: "r"(b)
);
if (a != result) {
printf("extbz error\n");
return -1;
}
b = 0x8083;
result = 0xffff8083;
__asm
("l.exths %0, %1\n\t"
: "=r"(a)
: "r"(b)
);
if (a != result) {
printf("exths error\n");
return -1;
}
result = 0x8083;
__asm
("l.exthz %0, %1\n\t"
: "=r"(a)
: "r"(b)
);
if (a != result) {
printf("exthz error\n");
return -1;
}
b = 0x11;
result = 0x11;
__asm
("l.extws %0, %1\n\t"
: "=r"(a)
: "r"(b)
);
if (a != result) {
printf("extws error\n");
return -1;
}
__asm
("l.extwz %0, %1\n\t"
: "=r"(a)
: "r"(b)
);
if (a != result) {
printf("extwz error\n");
return -1;
}
return 0;
}