ShuriZma
/
xenia-canary
mirror of https://github.com/xenia-canary/xenia-canary.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

vaddfp and vrfin

This commit is contained in:
Ben Vanik 2013-11-16 06:58:50 -08:00
parent 8398ea4925
commit 1e86736853
2 changed files with 34 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/xenia/cpu/ppc/disasm_altivec.cc
View File

@ -347,13 +347,16 @@ XEDISASMR(vaddcuw, 0x10000180, VX )(InstrData& i, InstrDisasm& d) {
XEDISASMR(vaddfp, 0x1000000A, VX )(InstrData& i, InstrDisasm& d) {
d.Init("vaddfp", "Vector Add Floating Point",
InstrDisasm::kVMX);
return 1;
d.AddRegOperand(InstrRegister::kVMX, i.VX.VD, InstrRegister::kWrite);
d.AddRegOperand(InstrRegister::kVMX, i.VX.VA, InstrRegister::kRead);
d.AddRegOperand(InstrRegister::kVMX, i.VX.VB, InstrRegister::kRead);
return d.Finish();
}
XEDISASMR(vaddfp128, VX128(5, 16), VX128 )(InstrData& i, InstrDisasm& d) {
d.Init("vaddfp128", "Vector128 Add Floating Point",
InstrDisasm::kVMX);
return 1;
return GeneralVX128(i, d);
}
XEDISASMR(vaddsbs, 0x10000300, VX )(InstrData& i, InstrDisasm& d) {
@ -1168,7 +1171,11 @@ XEDISASMR(vrfin, 0x1000020A, VX )(InstrData& i, InstrDisasm& d) {
XEDISASMR(vrfin128, VX128_3(6, 880), VX128_3)(InstrData& i, InstrDisasm& d) {
d.Init("vrfin128", "Vector128 Round to Floating-Point Integer Nearest",
InstrDisasm::kVMX);
return 1;
const uint32_t vd = i.VX128_3.VD128l | (i.VX128_3.VD128h << 5);
const uint32_t vb = i.VX128_3.VB128l | (i.VX128_3.VB128h << 5);
d.AddRegOperand(InstrRegister::kVMX, vd, InstrRegister::kWrite);
d.AddRegOperand(InstrRegister::kVMX, vb, InstrRegister::kRead);
return d.Finish();
}
XEDISASMR(vrfip, 0x1000028A, VX )(InstrData& i, InstrDisasm& d) {

34
src/xenia/cpu/x64/x64_emit_altivec.cc
View File

@ -489,14 +489,20 @@ XEEMITTER(vaddcuw, 0x10000180, VX )(X64Emitter& e, X86Compiler& c, Instr
return 1;
}
XEEMITTER(vaddfp, 0x1000000A, VX )(X64Emitter& e, X86Compiler& c, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
int InstrEmit_vaddfp_(X64Emitter& e, X86Compiler& c, uint32_t vd, uint32_t va, uint32_t vb) {
// (VD) <- (VA) + (VB) (4 x fp)
XmmVar v(c.newXmmVar());
c.movaps(v, e.vr_value(va));
c.addps(v, e.vr_value(vb));
e.update_vr_value(vd, v);
e.TraceVR(vd, va, vb);
return 0;
}
XEEMITTER(vaddfp, 0x1000000A, VX )(X64Emitter& e, X86Compiler& c, InstrData& i) {
return InstrEmit_vaddfp_(e, c, i.VX.VD, i.VX.VA, i.VX.VB);
}
XEEMITTER(vaddfp128, VX128(5, 16), VX128 )(X64Emitter& e, X86Compiler& c, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vaddfp_(e, c, VX128_VD128, VX128_VA128, VX128_VB128);
}
XEEMITTER(vaddsbs, 0x10000300, VX )(X64Emitter& e, X86Compiler& c, InstrData& i) {
@ -1450,13 +1456,21 @@ XEEMITTER(vrfim128, VX128_3(6, 816), VX128_3)(X64Emitter& e, X86Compiler&
return 1;
}
int InstrEmit_vrfin_(X64Emitter& e, X86Compiler& c, uint32_t vd, uint32_t vb) {
// (VD) <- RoundToNearest(VB)
// TODO(benvanik): check if this is right - may want to leave as dq.
XmmVar v(c.newXmmVar());
c.cvtps2dq(v, e.vr_value(vd));
c.cvtdq2ps(v, v);
e.update_vr_value(vd, v);
e.TraceVR(vd, vb);
return 0;
}
XEEMITTER(vrfin, 0x1000020A, VX )(X64Emitter& e, X86Compiler& c, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vrfin_(e, c, i.VX.VD, i.VX.VB);
}
XEEMITTER(vrfin128, VX128_3(6, 880), VX128_3)(X64Emitter& e, X86Compiler& c, InstrData& i) {
XEINSTRNOTIMPLEMENTED();
return 1;
return InstrEmit_vrfin_(e, c, VX128_3_VD128, VX128_3_VB128);
}
XEEMITTER(vrfip, 0x1000028A, VX )(X64Emitter& e, X86Compiler& c, InstrData& i) {