_mm_abs_pi16ADD TO COMPARE ADDED TO COMPARE
Intel 64-bit (64 bits)/ SSE4.2
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Purpose:
Compute the absolute value of packed signed 16-bit integers in a, and store the unsigned results in output.
Result:
A 128-bit vector of 4 x 16-bit signed integers that hold the absolute values of the input elements.
Example:
#include <tmmintrin.h>
#include <stdio.h>
int main() {
int16_t a_data[4] = {
-10, 20, -30, 40
};
__m64 a = _mm_set_pi16(a_data[3], a_data[2], a_data[1], a_data[0]);
__m64 result = _mm_abs_pi16(a);
return 0;
}Prototypes
Assembly Instruction:
pabsw
Usage:
__m64 result =
_mm_abs_pi16(
__m64 a
)
Performance Metrics:
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SIMD Intrinsics Summary
| SIMD Engines: | 6 |
| C Intrinsics: | 10444 |
| NEON: | 4353 |
| AVX2: | 405 |
| AVX512: | 4717 |
| SSE4.2: | 598 |
| VSX: | 192 |
| IBM-Z: | 179 |