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[CPU] Unify constant operand checks in pack/unpack

This commit is contained in:
Triang3l 2018-06-18 13:55:46 +03:00
parent 4d4737339e
commit dd19701dc4
1 changed files with 108 additions and 29 deletions
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137
src/xenia/cpu/backend/x64/x64_sequences.cc
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@ -6964,14 +6964,16 @@ struct PACK : Sequence<PACK, I<OPCODE_PACK, V128Op, V128Op, V128Op>> {
}
static void EmitD3DCOLOR(X64Emitter& e, const EmitArgType& i) {
assert_true(i.src2.value->IsConstantZero());
Xmm src;
if (i.src1.is_constant) {
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
// Saturate to [3,3....] so that only values between 3...[00] and 3...[FF]
// are valid.
if (i.src1.is_constant) {
e.LoadConstantXmm(i.dest, i.src1.constant());
e.vminps(i.dest, i.dest, e.GetXmmConstPtr(XMMPackD3DCOLORSat));
} else {
e.vminps(i.dest, i.src1, e.GetXmmConstPtr(XMMPackD3DCOLORSat));
}
e.vminps(i.dest, src, e.GetXmmConstPtr(XMMPackD3DCOLORSat));
e.vmaxps(i.dest, i.dest, e.GetXmmConstPtr(XMM3333));
// Extract bytes.
// RGBA (XYZW) -> ARGB (WXYZ)
@ -6996,13 +6998,26 @@ struct PACK : Sequence<PACK, I<OPCODE_PACK, V128Op, V128Op, V128Op>> {
// http://blogs.msdn.com/b/chuckw/archive/2012/09/11/directxmath-f16c-and-fma.aspx
// dest = [(src1.x | src1.y), 0, 0, 0]
Xmm src;
if (e.IsFeatureEnabled(kX64EmitF16C)) {
if (i.src1.is_constant) {
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
// 0|0|0|0|W|Z|Y|X
e.vcvtps2ph(i.dest, i.dest, 0b00000011);
e.vcvtps2ph(i.dest, src, 0b00000011);
// Shuffle to X|Y|0|0|0|0|0|0
e.vpshufb(i.dest, i.dest, e.GetXmmConstPtr(XMMPackFLOAT16_2));
} else {
e.lea(e.r8, e.StashXmm(0, i.src1));
if (i.src1.is_constant) {
src = e.xmm0;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
e.lea(e.r8, e.StashXmm(0, src));
e.CallNativeSafe(reinterpret_cast<void*>(EmulateFLOAT16_2));
e.vmovaps(i.dest, e.xmm0);
}
@ -7023,29 +7038,56 @@ struct PACK : Sequence<PACK, I<OPCODE_PACK, V128Op, V128Op, V128Op>> {
assert_true(i.src2.value->IsConstantZero());
// dest = [(src1.x | src1.y), (src1.z | src1.w), 0, 0]
Xmm src;
if (e.IsFeatureEnabled(kX64EmitF16C)) {
if (i.src1.is_constant) {
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
// 0|0|0|0|W|Z|Y|X
e.vcvtps2ph(i.dest, i.src1, 0b00000011);
e.vcvtps2ph(i.dest, src, 0b00000011);
// Shuffle to X|Y|Z|W|0|0|0|0
e.vpshufb(i.dest, i.dest, e.GetXmmConstPtr(XMMPackFLOAT16_4));
} else {
e.lea(e.r8, e.StashXmm(0, i.src1));
if (i.src1.is_constant) {
src = e.xmm0;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
e.lea(e.r8, e.StashXmm(0, src));
e.CallNativeSafe(reinterpret_cast<void*>(EmulateFLOAT16_4));
e.vmovaps(i.dest, e.xmm0);
}
}
static void EmitSHORT_2(X64Emitter& e, const EmitArgType& i) {
assert_true(i.src2.value->IsConstantZero());
Xmm src;
if (i.src1.is_constant) {
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
// Saturate.
e.vmaxps(i.dest, i.src1, e.GetXmmConstPtr(XMMPackSHORT_Min));
e.vmaxps(i.dest, src, e.GetXmmConstPtr(XMMPackSHORT_Min));
e.vminps(i.dest, i.dest, e.GetXmmConstPtr(XMMPackSHORT_Max));
// Pack.
e.vpshufb(i.dest, i.dest, e.GetXmmConstPtr(XMMPackSHORT_2));
}
static void EmitSHORT_4(X64Emitter& e, const EmitArgType& i) {
assert_true(i.src2.value->IsConstantZero());
Xmm src;
if (i.src1.is_constant) {
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
// Saturate.
e.vmaxps(i.dest, i.src1, e.GetXmmConstPtr(XMMPackSHORT_Min));
e.vmaxps(i.dest, src, e.GetXmmConstPtr(XMMPackSHORT_Min));
e.vminps(i.dest, i.dest, e.GetXmmConstPtr(XMMPackSHORT_Max));
// Pack.
e.vpshufb(i.dest, i.dest, e.GetXmmConstPtr(XMMPackSHORT_4));
@ -7054,9 +7096,15 @@ struct PACK : Sequence<PACK, I<OPCODE_PACK, V128Op, V128Op, V128Op>> {
// https://www.opengl.org/registry/specs/ARB/vertex_type_2_10_10_10_rev.txt
// XYZ are 10 bits, signed and saturated.
// W is 2 bits, unsigned and saturated.
Xmm src;
if (i.src1.is_constant) {
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
// Saturate.
e.vmaxps(i.dest, i.src1, e.GetXmmConstPtr(XMMPackUINT_2101010_MinUnpacked));
e.vmaxps(i.dest, src, e.GetXmmConstPtr(XMMPackUINT_2101010_MinUnpacked));
e.vminps(i.dest, i.dest, e.GetXmmConstPtr(XMMPackUINT_2101010_MaxUnpacked));
// Remove the unneeded bits of the floats.
e.vpand(i.dest, e.GetXmmConstPtr(XMMPackUINT_2101010_MaskUnpacked));
@ -7311,14 +7359,14 @@ struct UNPACK : Sequence<UNPACK, I<OPCODE_UNPACK, V128Op, V128Op>> {
e.vmovaps(i.dest, e.GetXmmConstPtr(XMMOne));
return;
}
src = e.xmm0;
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
// src = ZZYYXXWW
// Unpack to 000000ZZ,000000YY,000000XX,000000WW
e.vpshufb(i.dest, i.src1, e.GetXmmConstPtr(XMMUnpackD3DCOLOR));
e.vpshufb(i.dest, src, e.GetXmmConstPtr(XMMUnpackD3DCOLOR));
// Add 1.0f to each.
e.vpor(i.dest, e.GetXmmConstPtr(XMMOne));
// To convert to 0 to 1, games multiply by 0x47008081 and add 0xC7008081.
@ -7351,7 +7399,14 @@ struct UNPACK : Sequence<UNPACK, I<OPCODE_UNPACK, V128Op, V128Op>> {
// Also zero out the high end.
// TODO(benvanik): special case constant unpacks that just get 0/1/etc.
Xmm src;
if (e.IsFeatureEnabled(kX64EmitF16C)) {
if (i.src1.is_constant) {
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
// sx = src.iw >> 16;
// sy = src.iw & 0xFFFF;
// dest = { XMConvertHalfToFloat(sx),
@ -7359,19 +7414,17 @@ struct UNPACK : Sequence<UNPACK, I<OPCODE_UNPACK, V128Op, V128Op>> {
// 0.0,
// 1.0 };
// Shuffle to 0|0|0|0|0|0|Y|X
e.vpshufb(i.dest, i.src1, e.GetXmmConstPtr(XMMUnpackFLOAT16_2));
e.vpshufb(i.dest, src, e.GetXmmConstPtr(XMMUnpackFLOAT16_2));
e.vcvtph2ps(i.dest, i.dest);
e.vpshufd(i.dest, i.dest, 0b10100100);
e.vpor(i.dest, e.GetXmmConstPtr(XMM0001));
} else {
Xmm src;
if (i.src1.is_constant) {
src = e.xmm0;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
e.lea(e.r8, e.StashXmm(0, src));
e.CallNativeSafe(reinterpret_cast<void*>(EmulateFLOAT16_2));
e.vmovaps(i.dest, e.xmm0);
@ -7390,13 +7443,25 @@ struct UNPACK : Sequence<UNPACK, I<OPCODE_UNPACK, V128Op, V128Op>> {
}
static void EmitFLOAT16_4(X64Emitter& e, const EmitArgType& i) {
// src = [(dest.x | dest.y), (dest.z | dest.w), 0, 0]
Xmm src;
if (e.IsFeatureEnabled(kX64EmitF16C)) {
if (i.src1.is_constant) {
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
// Shuffle to 0|0|0|0|W|Z|Y|X
e.vpshufb(i.dest, i.src1, e.GetXmmConstPtr(XMMUnpackFLOAT16_4));
e.vpshufb(i.dest, src, e.GetXmmConstPtr(XMMUnpackFLOAT16_4));
e.vcvtph2ps(i.dest, i.dest);
} else {
e.lea(e.r8, e.StashXmm(0, i.src1));
if (i.src1.is_constant) {
src = e.xmm0;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
e.lea(e.r8, e.StashXmm(0, src));
e.CallNativeSafe(reinterpret_cast<void*>(EmulateFLOAT16_4));
e.vmovaps(i.dest, e.xmm0);
}
@ -7414,7 +7479,7 @@ struct UNPACK : Sequence<UNPACK, I<OPCODE_UNPACK, V128Op, V128Op>> {
return;
}
// TODO(benvanik): check other common constants/perform shuffle/or here.
src = e.xmm0;
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
@ -7443,7 +7508,7 @@ struct UNPACK : Sequence<UNPACK, I<OPCODE_UNPACK, V128Op, V128Op>> {
return;
}
// TODO(benvanik): check other common constants/perform shuffle/or here.
src = e.xmm0;
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
@ -7466,7 +7531,7 @@ struct UNPACK : Sequence<UNPACK, I<OPCODE_UNPACK, V128Op, V128Op>> {
e.vmovdqa(i.dest, e.GetXmmConstPtr(XMM3331));
return;
}
src = e.xmm0;
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
@ -7504,6 +7569,13 @@ struct UNPACK : Sequence<UNPACK, I<OPCODE_UNPACK, V128Op, V128Op>> {
}
static void Emit8_IN_16(X64Emitter& e, const EmitArgType& i, uint32_t flags) {
assert_false(IsPackOutSaturate(flags));
Xmm src;
if (i.src1.is_constant) {
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
if (IsPackToLo(flags)) {
// Unpack to LO.
if (IsPackInUnsigned(flags)) {
@ -7520,7 +7592,7 @@ struct UNPACK : Sequence<UNPACK, I<OPCODE_UNPACK, V128Op, V128Op>> {
assert_always();
} else {
// signed -> signed
e.vpshufb(i.dest, i.src1, e.GetXmmConstPtr(XMMByteOrderMask));
e.vpshufb(i.dest, src, e.GetXmmConstPtr(XMMByteOrderMask));
e.vpunpckhbw(i.dest, i.dest, i.dest);
e.vpsraw(i.dest, 8);
}
@ -7541,7 +7613,7 @@ struct UNPACK : Sequence<UNPACK, I<OPCODE_UNPACK, V128Op, V128Op>> {
assert_always();
} else {
// signed -> signed
e.vpshufb(i.dest, i.src1, e.GetXmmConstPtr(XMMByteOrderMask));
e.vpshufb(i.dest, src, e.GetXmmConstPtr(XMMByteOrderMask));
e.vpunpcklbw(i.dest, i.dest, i.dest);
e.vpsraw(i.dest, 8);
}
@ -7551,6 +7623,13 @@ struct UNPACK : Sequence<UNPACK, I<OPCODE_UNPACK, V128Op, V128Op>> {
static void Emit16_IN_32(X64Emitter& e, const EmitArgType& i,
uint32_t flags) {
assert_false(IsPackOutSaturate(flags));
Xmm src;
if (i.src1.is_constant) {
src = i.dest;
e.LoadConstantXmm(src, i.src1.constant());
} else {
src = i.src1;
}
if (IsPackToLo(flags)) {
// Unpack to LO.
if (IsPackInUnsigned(flags)) {
@ -7567,7 +7646,7 @@ struct UNPACK : Sequence<UNPACK, I<OPCODE_UNPACK, V128Op, V128Op>> {
assert_always();
} else {
// signed -> signed
e.vpunpckhwd(i.dest, i.src1, i.src1);
e.vpunpckhwd(i.dest, src, src);
e.vpsrad(i.dest, 16);
}
}
@ -7587,7 +7666,7 @@ struct UNPACK : Sequence<UNPACK, I<OPCODE_UNPACK, V128Op, V128Op>> {
assert_always();
} else {
// signed -> signed
e.vpunpcklwd(i.dest, i.src1, i.src1);
e.vpunpcklwd(i.dest, src, src);
e.vpsrad(i.dest, 16);
}
}