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28 lines
794 B
C
28 lines
794 B
C
#ifndef COSMOPOLITAN_LIBC_INTRIN_PADDSW_H_
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#define COSMOPOLITAN_LIBC_INTRIN_PADDSW_H_
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#include "libc/intrin/macros.h"
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#include "libc/limits.h"
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#include "libc/macros.h"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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/**
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* Adds signed 16-bit integers w/ saturation.
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*
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* @param 𝑎 [w/o] receives result
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* @param 𝑏 [r/o] supplies first input vector
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* @param 𝑐 [r/o] supplies second input vector
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* @see paddw()
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* @mayalias
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*/
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static void paddsw(short a[8], const short b[8], const short c[8]) {
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int i;
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for (i = 0; i < 8; ++i) {
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a[i] = MIN(SHRT_MAX, MAX(SHRT_MIN, b[i] + c[i]));
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}
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}
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#define paddsw(A, B, C) \
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INTRIN_SSEVEX_X_X_X_(paddsw, SSE2, "paddsw", INTRIN_COMMUTATIVE, A, B, C)
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_INTRIN_PADDSW_H_ */
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