Displaying 1 result from an estimated 1 matches for "gestaltpowerpcprocessorfeatures".
2003 Oct 12
1
Altivec-enabled libvorbis...
...t variable in a convenient place during
initialization. Currently this variable exists in my AL implementation
and not libvorbis. The code to detect an Altivec unit in MacOSX looks
like this:
#include <CoreServices/CoreServices.h>
long cpufeature = 0;
OSErr err = Gestalt(gestaltPowerPCProcessorFeatures, &cpufeature);
if (err == noErr) {
if ((1 << gestaltPowerPCHasVectorInstructions) & cpufeature)
VectorUnitDetected = 1;
}
Using this code will need "-framework Carbon" on the gcc and ld
commandline.
Non-Mac platforms should already ha...