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implemented xerotl to replace win32 specific _rotl usage

This commit is contained in:
Anthony Pesch 2014-05-14 00:33:00 -07:00
parent f01609c5aa
commit 1a4355a36b
1 changed files with 5 additions and 1 deletions
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6
src/alloy/frontend/ppc/ppc_emit_altivec.cc
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@ -105,6 +105,10 @@ Value* CalculateEA_0(PPCHIRBuilder& f, uint32_t ra, uint32_t rb);
// }
unsigned int xerotl(unsigned int value, unsigned int shift) {
XEASSERT(shift < 32);
return shift == 0 ? value : ((value << shift) | (value >> (32 - shift)));
}
XEEMITTER(dst, 0x7C0002AC, XDSS)(PPCHIRBuilder& f, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
@ -1797,7 +1801,7 @@ XEEMITTER(vpkd3d128, VX128_4(6, 1552), VX128_4)(PPCHIRBuilder& f, InstrData
// http://hlssmod.net/he_code/public/pixelwriter.h
// control = prev:0123 | new:4567
uint32_t control = 0x00010203; // original
uint32_t src = _rotl(0x04050607, shift * 8);
uint32_t src = xerotl(0x04050607, shift * 8);
uint32_t mask = 0;
switch (pack) {
case 1: // VPACK_32