mirror of
https://github.com/opencv/opencv.git
synced 2024-11-24 03:00:14 +08:00
bd531bd828
generalize constraints to 'wa' for VSX registers
21 lines
557 B
C++
21 lines
557 B
C++
#if defined(__VSX__)
|
|
#if defined(__PPC64__) && defined(__LITTLE_ENDIAN__)
|
|
#include <altivec.h>
|
|
#else
|
|
#error "OpenCV only supports little-endian mode"
|
|
#endif
|
|
#else
|
|
#error "VSX is not supported"
|
|
#endif
|
|
|
|
/*
|
|
* xlc and wide versions of clang don't support %x<n> in the inline asm template which fixes register number
|
|
* when using any of the register constraints wa, wd, wf
|
|
*/
|
|
int main()
|
|
{
|
|
__vector float vf;
|
|
__vector signed int vi;
|
|
__asm__ __volatile__ ("xvcvsxwsp %x0,%x1" : "=wa" (vf) : "wa" (vi));
|
|
return 0;
|
|
} |