preserve-emulation/ppsspp
1
0 Fork 0
mirror of https://github.com/hrydgard/ppsspp.git synced 2026-11-12 17:19:28 +01:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #7061 from unknownbrackets/jit-minor

Browse Source 
x86jit: Micro optimize vs2i a bit
This commit is contained in:
Henrik Rydgård committed 2014-11-07 12:15:31 +01:00
2 parents 59c1485e64 097a483d77
commit f975e8e0e2
1 file changed
+4 -4
Download Patch File Download Diff File Expand all files Collapse all files
Core/MIPS/x86/CompVFPU.cpp
+4 -4
View File
@@ -1291,7 +1291,7 @@ void Jit::Comp_Vx2i(MIPSOpcode op) {
}
// Unpack 16-bit words into 32-bit words, upper position, and we're done!
XORPS(XMM0, R(XMM0));
PXOR(XMM0, R(XMM0));
PUNPCKLWD(XMM0, R(XMM1));
// Done! TODO: The rest of this should be possible to extract into a function.
@@ -1300,13 +1300,13 @@ void Jit::Comp_Vx2i(MIPSOpcode op) {
// TODO: Could apply D-prefix in parallel here...
MOVSS(fpr.V(dregs[0]), XMM0);
SHUFPS(XMM0, R(XMM0), _MM_SHUFFLE(3, 3, 2, 1));
PSRLDQ(XMM0, 4);
MOVSS(fpr.V(dregs[1]), XMM0);
if (sz != V_Single) {
SHUFPS(XMM0, R(XMM0), _MM_SHUFFLE(3, 3, 2, 1));
PSRLDQ(XMM0, 4);
MOVSS(fpr.V(dregs[2]), XMM0);
SHUFPS(XMM0, R(XMM0), _MM_SHUFFLE(3, 3, 2, 1));
PSRLDQ(XMM0, 4);
MOVSS(fpr.V(dregs[3]), XMM0);
}