vec_splat_u8ADD TO COMPARE ADDED TO COMPARE
IBM Power 9 64-bit (64 bits)/ VSX
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Vector Duplicate Scalar to All Elements
Purpose:
Returns a vector with all elements equal to the given value.
Result:
The 5-bit signed value of a is sign-extended to a byte and the resulting value is cast to an unsigned char. This value is placed in each element of output. The range of the original value is [-16:15].
Prototypes
Assembly Instruction:
vspltisb
Usage:
vector unsigned char result =
vec_splat_u8(
5_bit_literal a
)
Performance Metrics:
📊 Unlock Performance Insights
Get access to detailed performance metrics including latency, throughput, and CPU-specific benchmarks for this intrinsic.
Example:
#include <altivec.h>
#include <stdio.h>
int main() {
vector unsigned char r = vec_splat_u8(1);
for (int i = 0; i < 16; i++) {
printf("%u ", r[i]);
}
return 0;
}SIMD Intrinsics Summary
| SIMD Engines: | 6 |
| C Intrinsics: | 10444 |
| NEON: | 4353 |
| AVX2: | 405 |
| AVX512: | 4717 |
| SSE4.2: | 598 |
| VSX: | 192 |
| IBM-Z: | 179 |