vec_splatsADD 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 the value of each element set to the value of the scalar input parameter.
Result:
Each element of output is set to the value of a.
Prototypes
Assembly Instruction:
MULTILINE
Usage:
vector signed short result =
vec_splats(
signed short a
)
Example:
#include <altivec.h>
#include <stdio.h>
int main() {
vector signed short r = vec_splats((signed short)-15);
for (int i = 0; i < 8; i++) {
printf("%d ", r[i]);
}
return 0;
}Assembly Instruction:
MULTILINE
Usage:
vector signed int result =
vec_splats(
int a
)
Performance Metrics:
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Example:
#include <altivec.h>
#include <stdio.h>
int main() {
vector signed int r = vec_splats((signed int)-15);
for (int i = 0; i < 4; i++) {
printf("%d ", r[i]);
}
return 0;
}Assembly Instruction:
MULTILINE
Usage:
vector unsigned int result =
vec_splats(
unsigned int a
)
Performance Metrics:
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Example:
#include <altivec.h>
#include <stdio.h>
int main() {
vector unsigned int r = vec_splats((unsigned int)16);
for (int i = 0; i < 4; i++) {
printf("%u ", r[i]);
}
return 0;
}Assembly Instruction:
MULTILINE
Usage:
vector unsigned short result =
vec_splats(
unsigned short a
)
Example:
#include <altivec.h>
#include <stdio.h>
int main() {
vector unsigned short r = vec_splats((unsigned short)16);
for (int i = 0; i < 8; i++) {
printf("%u ", r[i]);
}
return 0;
}Assembly Instruction:
MULTILINE
Usage:
vector float result =
vec_splats(
float a
)
Example:
#include <altivec.h>
#include <stdio.h>
int main() {
vector float r = vec_splats((float)-15.5);
for (int i = 0; i < 4; i++) {
printf("%f ", r[i]);
}
return 0;
}Assembly Instruction:
MULTILINE
Usage:
vector unsigned long long result =
vec_splats(
unsigned long long a
)
Performance Metrics:
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Example:
#include <altivec.h>
#include <stdio.h>
int main() {
vector unsigned long long r = vec_splats((unsigned long long)16);
for (int i = 0; i < 2; i++) {
printf("%llu ", r[i]);
}
return 0;
}Assembly Instruction:
MULTILINE
Usage:
vector signed long long result =
vec_splats(
signed long long a
)
Performance Metrics:
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Example:
#include <altivec.h>
#include <stdio.h>
int main() {
vector signed long long r = vec_splats((signed long long)-15);
for (int i = 0; i < 2; i++) {
printf("%lld ", r[i]);
}
return 0;
}Assembly Instruction:
xxpermdi
Usage:
vector double result =
vec_splats(
double a
)
Performance Metrics:
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Example:
#include <altivec.h>
#include <stdio.h>
int main() {
vector double r = vec_splats((double)16.25);
for (int i = 0; i < 2; i++) {
printf("%lf ", r[i]);
}
return 0;
}Assembly Instruction:
MULTILINE
Usage:
vector unsigned char result =
vec_splats(
unsigned char a
)
Example:
#include <altivec.h>
#include <stdio.h>
int main() {
vector unsigned char r = vec_splats((unsigned char)16);
for (int i = 0; i < 16; i++) {
printf("%u ", r[i]);
}
return 0;
}Assembly Instruction:
MULTILINE
Usage:
vector signed char result =
vec_splats(
signed char a
)
Performance Metrics:
Login required
Example:
#include <altivec.h>
#include <stdio.h>
int main() {
vector signed char r = vec_splats((signed char)-15);
for (int i = 0; i < 16; i++) {
printf("%d ", 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 |