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Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
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libc/intrin/psraw.h Normal file
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#ifndef COSMOPOLITAN_LIBC_INTRIN_PSRAW_H_
#define COSMOPOLITAN_LIBC_INTRIN_PSRAW_H_
#include "libc/bits/bits.h"
#include "libc/intrin/macros.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
/**
* Divides shorts by two power.
*
* @note c needs to be a literal, asmconstexpr, or linkconstsym
* @mayalias
*/
static void psraw(short a[8], const short b[8], char c) {
int i;
for (i = 0; i < 8; ++i) {
a[i] = SAR(b[i], c);
}
}
#define psraw(A, B, I) INTRIN_SSEVEX_X_X_I_(psraw, SSE2, "psraw", A, B, I)
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_INTRIN_PSRAW_H_ */