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#include <stdio.h>
// Haskell function
extern void helper();
void test_c() {
unsigned char blah[16] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10};
unsigned char foo[16] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
// Copy blah into xmm6
asm (
"movups %[blah], %%xmm6"
:
: [blah] "m" (blah)
: "xmm6"
);
// Call to Haskell
helper();
// Copy xmm6 to foo
asm (
"movups %%xmm6, %[foo]"
: [foo] "=m" (foo)
:
: "xmm6"
);
for (int i = 0; i < 16; i++) {
printf("%2i: %02x %02x\n", i, blah[i], foo[i]);
}
}
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