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add initial xop codepaths, still need to finish the rest of the compares, and then do shifts, rotates, and PERMUTE

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Add vector simplification pass, so far it only recognizes whether VECTOR_DENORMFLUSH is useless and optimizes them away
Tag restgplr/savegplr/restvmx/savevmx/restfpr/savefpr with useful information, i intend to inline them (they tend to be the most heavily called guest functions)
This commit is contained in:
chss95cs@gmail.com
2022-08-21 08:55:42 -07:00
parent 0b013fdc6b
commit 0ebc109d4d
8 changed files with 574 additions and 78 deletions
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164
src/xenia/cpu/backend/x64/x64_seq_vector.cc
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@@ -406,26 +406,44 @@ struct VECTOR_COMPARE_SGE_V128
static void Emit(X64Emitter& e, const EmitArgType& i) {
EmitAssociativeBinaryXmmOp(
e, i, [&i](X64Emitter& e, Xmm dest, Xmm src1, Xmm src2) {
switch (i.instr->flags) {
case INT8_TYPE:
e.vpcmpeqb(e.xmm0, src1, src2);
e.vpcmpgtb(dest, src1, src2);
e.vpor(dest, e.xmm0);
break;
case INT16_TYPE:
e.vpcmpeqw(e.xmm0, src1, src2);
e.vpcmpgtw(dest, src1, src2);
e.vpor(dest, e.xmm0);
break;
case INT32_TYPE:
e.vpcmpeqd(e.xmm0, src1, src2);
e.vpcmpgtd(dest, src1, src2);
e.vpor(dest, e.xmm0);
break;
case FLOAT32_TYPE:
e.ChangeMxcsrMode(MXCSRMode::Vmx);
e.vcmpgeps(dest, src1, src2);
break;
if (e.IsFeatureEnabled(kX64EmitXOP)) {
switch (i.instr->flags) {
case INT8_TYPE:
e.vpcomb(dest, src1, src2, xopcompare_e::GTE);
break;
case INT16_TYPE:
e.vpcomw(dest, src1, src2, xopcompare_e::GTE);
break;
case INT32_TYPE:
e.vpcomd(dest, src1, src2, xopcompare_e::GTE);
break;
case FLOAT32_TYPE:
e.ChangeMxcsrMode(MXCSRMode::Vmx);
e.vcmpgeps(dest, src1, src2);
break;
}
} else {
switch (i.instr->flags) {
case INT8_TYPE:
e.vpcmpeqb(e.xmm0, src1, src2);
e.vpcmpgtb(dest, src1, src2);
e.vpor(dest, e.xmm0);
break;
case INT16_TYPE:
e.vpcmpeqw(e.xmm0, src1, src2);
e.vpcmpgtw(dest, src1, src2);
e.vpor(dest, e.xmm0);
break;
case INT32_TYPE:
e.vpcmpeqd(e.xmm0, src1, src2);
e.vpcmpgtd(dest, src1, src2);
e.vpor(dest, e.xmm0);
break;
case FLOAT32_TYPE:
e.ChangeMxcsrMode(MXCSRMode::Vmx);
e.vcmpgeps(dest, src1, src2);
break;
}
}
});
}
@@ -439,52 +457,68 @@ struct VECTOR_COMPARE_UGT_V128
: Sequence<VECTOR_COMPARE_UGT_V128,
I<OPCODE_VECTOR_COMPARE_UGT, V128Op, V128Op, V128Op>> {
static void Emit(X64Emitter& e, const EmitArgType& i) {
Xbyak::Address sign_addr = e.ptr[e.rax]; // dummy
switch (i.instr->flags) {
case INT8_TYPE:
sign_addr = e.GetXmmConstPtr(XMMSignMaskI8);
break;
case INT16_TYPE:
sign_addr = e.GetXmmConstPtr(XMMSignMaskI16);
break;
case INT32_TYPE:
sign_addr = e.GetXmmConstPtr(XMMSignMaskI32);
break;
case FLOAT32_TYPE:
e.ChangeMxcsrMode(MXCSRMode::Vmx);
sign_addr = e.GetXmmConstPtr(XMMSignMaskF32);
break;
default:
assert_always();
break;
}
if (i.src1.is_constant) {
// TODO(benvanik): make this constant.
e.LoadConstantXmm(e.xmm0, i.src1.constant());
e.vpxor(e.xmm0, sign_addr);
if (i.instr->flags != FLOAT32_TYPE && e.IsFeatureEnabled(kX64EmitXOP)) {
Xmm src1 = GetInputRegOrConstant(e, i.src1, e.xmm0);
Xmm src2 = GetInputRegOrConstant(e, i.src2, e.xmm1);
switch (i.instr->flags) {
case INT8_TYPE:
e.vpcomub(i.dest, src1, src2, xopcompare_e::GT);
break;
case INT16_TYPE:
e.vpcomuw(i.dest, src1, src2, xopcompare_e::GT);
break;
case INT32_TYPE:
e.vpcomud(i.dest, src1, src2, xopcompare_e::GT);
break;
}
} else {
e.vpxor(e.xmm0, i.src1, sign_addr);
}
if (i.src2.is_constant) {
// TODO(benvanik): make this constant.
e.LoadConstantXmm(e.xmm1, i.src2.constant());
e.vpxor(e.xmm1, sign_addr);
} else {
e.vpxor(e.xmm1, i.src2, sign_addr);
}
switch (i.instr->flags) {
case INT8_TYPE:
e.vpcmpgtb(i.dest, e.xmm0, e.xmm1);
break;
case INT16_TYPE:
e.vpcmpgtw(i.dest, e.xmm0, e.xmm1);
break;
case INT32_TYPE:
e.vpcmpgtd(i.dest, e.xmm0, e.xmm1);
break;
case FLOAT32_TYPE:
e.vcmpgtps(i.dest, e.xmm0, e.xmm1);
break;
Xbyak::Address sign_addr = e.ptr[e.rax]; // dummy
switch (i.instr->flags) {
case INT8_TYPE:
sign_addr = e.GetXmmConstPtr(XMMSignMaskI8);
break;
case INT16_TYPE:
sign_addr = e.GetXmmConstPtr(XMMSignMaskI16);
break;
case INT32_TYPE:
sign_addr = e.GetXmmConstPtr(XMMSignMaskI32);
break;
case FLOAT32_TYPE:
e.ChangeMxcsrMode(MXCSRMode::Vmx);
sign_addr = e.GetXmmConstPtr(XMMSignMaskF32);
break;
default:
assert_always();
break;
}
if (i.src1.is_constant) {
// TODO(benvanik): make this constant.
e.LoadConstantXmm(e.xmm0, i.src1.constant());
e.vpxor(e.xmm0, sign_addr);
} else {
e.vpxor(e.xmm0, i.src1, sign_addr);
}
if (i.src2.is_constant) {
// TODO(benvanik): make this constant.
e.LoadConstantXmm(e.xmm1, i.src2.constant());
e.vpxor(e.xmm1, sign_addr);
} else {
e.vpxor(e.xmm1, i.src2, sign_addr);
}
switch (i.instr->flags) {
case INT8_TYPE:
e.vpcmpgtb(i.dest, e.xmm0, e.xmm1);
break;
case INT16_TYPE:
e.vpcmpgtw(i.dest, e.xmm0, e.xmm1);
break;
case INT32_TYPE:
e.vpcmpgtd(i.dest, e.xmm0, e.xmm1);
break;
case FLOAT32_TYPE:
e.vcmpgtps(i.dest, e.xmm0, e.xmm1);
break;
}
}
}
};