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Supporting constants in Haswell codepaths for mul_add/sub.

This commit is contained in:
Ben Vanik 2016-01-13 22:29:39 -08:00
parent 0e11111326
commit 2e826f9321
1 changed files with 42 additions and 18 deletions
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60
src/xenia/cpu/backend/x64/x64_sequences.cc
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@ -4402,16 +4402,20 @@ struct MUL_ADD_F32
if (e.IsFeatureEnabled(kX64EmitFMA)) {
EmitCommutativeBinaryXmmOp(e, i, [&i](X64Emitter& e, const Xmm& dest,
const Xmm& src1, const Xmm& src2) {
Xmm src3 = i.src3.is_constant ? e.xmm1 : i.src3;
if (i.src3.is_constant) {
e.LoadConstantXmm(e.xmm1, i.src3.constant());
}
if (i.dest == src1) {
e.vfmadd213ss(i.dest, src2, i.src3);
e.vfmadd213ss(i.dest, src2, src3);
} else if (i.dest == src2) {
e.vfmadd213ss(i.dest, src1, i.src3);
e.vfmadd213ss(i.dest, src1, src3);
} else if (i.dest == i.src3) {
e.vfmadd231ss(i.dest, src1, src2);
} else {
// Dest not equal to anything
e.vmovss(i.dest, src1);
e.vfmadd213ss(i.dest, src2, i.src3);
e.vfmadd213ss(i.dest, src2, src3);
}
});
} else {
@ -4455,16 +4459,20 @@ struct MUL_ADD_F64
if (e.IsFeatureEnabled(kX64EmitFMA)) {
EmitCommutativeBinaryXmmOp(e, i, [&i](X64Emitter& e, const Xmm& dest,
const Xmm& src1, const Xmm& src2) {
Xmm src3 = i.src3.is_constant ? e.xmm1 : i.src3;
if (i.src3.is_constant) {
e.LoadConstantXmm(e.xmm1, i.src3.constant());
}
if (i.dest == src1) {
e.vfmadd213sd(i.dest, src2, i.src3);
e.vfmadd213sd(i.dest, src2, src3);
} else if (i.dest == src2) {
e.vfmadd213sd(i.dest, src1, i.src3);
e.vfmadd213sd(i.dest, src1, src3);
} else if (i.dest == i.src3) {
e.vfmadd231sd(i.dest, src1, src2);
} else {
// Dest not equal to anything
e.vmovsd(i.dest, src1);
e.vfmadd213sd(i.dest, src2, i.src3);
e.vfmadd213sd(i.dest, src2, src3);
}
});
} else {
@ -4514,16 +4522,20 @@ struct MUL_ADD_V128
if (false && e.IsFeatureEnabled(kX64EmitFMA)) {
EmitCommutativeBinaryXmmOp(e, i, [&i](X64Emitter& e, const Xmm& dest,
const Xmm& src1, const Xmm& src2) {
Xmm src3 = i.src3.is_constant ? e.xmm1 : i.src3;
if (i.src3.is_constant) {
e.LoadConstantXmm(e.xmm1, i.src3.constant());
}
if (i.dest == src1) {
e.vfmadd213ps(i.dest, src2, i.src3);
e.vfmadd213ps(i.dest, src2, src3);
} else if (i.dest == src2) {
e.vfmadd213ps(i.dest, src1, i.src3);
e.vfmadd213ps(i.dest, src1, src3);
} else if (i.dest == i.src3) {
e.vfmadd231ps(i.dest, src1, src2);
} else {
// Dest not equal to anything
e.vmovdqa(i.dest, src1);
e.vfmadd213ps(i.dest, src2, i.src3);
e.vfmadd213ps(i.dest, src2, src3);
}
});
} else {
@ -4581,16 +4593,20 @@ struct MUL_SUB_F32
if (e.IsFeatureEnabled(kX64EmitFMA)) {
EmitCommutativeBinaryXmmOp(e, i, [&i](X64Emitter& e, const Xmm& dest,
const Xmm& src1, const Xmm& src2) {
Xmm src3 = i.src3.is_constant ? e.xmm1 : i.src3;
if (i.src3.is_constant) {
e.LoadConstantXmm(e.xmm1, i.src3.constant());
}
if (i.dest == src1) {
e.vfmsub213ss(i.dest, src2, i.src3);
e.vfmsub213ss(i.dest, src2, src3);
} else if (i.dest == src2) {
e.vfmsub213ss(i.dest, src1, i.src3);
e.vfmsub213ss(i.dest, src1, src3);
} else if (i.dest == i.src3) {
e.vfmsub231ss(i.dest, src1, src2);
} else {
// Dest not equal to anything
e.vmovss(i.dest, src1);
e.vfmsub213ss(i.dest, src2, i.src3);
e.vfmsub213ss(i.dest, src2, src3);
}
});
} else {
@ -4634,16 +4650,20 @@ struct MUL_SUB_F64
if (e.IsFeatureEnabled(kX64EmitFMA)) {
EmitCommutativeBinaryXmmOp(e, i, [&i](X64Emitter& e, const Xmm& dest,
const Xmm& src1, const Xmm& src2) {
Xmm src3 = i.src3.is_constant ? e.xmm1 : i.src3;
if (i.src3.is_constant) {
e.LoadConstantXmm(e.xmm1, i.src3.constant());
}
if (i.dest == src1) {
e.vfmsub213sd(i.dest, src2, i.src3);
e.vfmsub213sd(i.dest, src2, src3);
} else if (i.dest == src2) {
e.vfmsub213sd(i.dest, src1, i.src3);
e.vfmsub213sd(i.dest, src1, src3);
} else if (i.dest == i.src3) {
e.vfmsub231sd(i.dest, src1, src2);
} else {
// Dest not equal to anything
e.vmovsd(i.dest, src1);
e.vfmsub213sd(i.dest, src2, i.src3);
e.vfmsub213sd(i.dest, src2, src3);
}
});
} else {
@ -4691,16 +4711,20 @@ struct MUL_SUB_V128
if (e.IsFeatureEnabled(kX64EmitFMA)) {
EmitCommutativeBinaryXmmOp(e, i, [&i](X64Emitter& e, const Xmm& dest,
const Xmm& src1, const Xmm& src2) {
Xmm src3 = i.src3.is_constant ? e.xmm1 : i.src3;
if (i.src3.is_constant) {
e.LoadConstantXmm(e.xmm1, i.src3.constant());
}
if (i.dest == src1) {
e.vfmsub213ps(i.dest, src2, i.src3);
e.vfmsub213ps(i.dest, src2, src3);
} else if (i.dest == src2) {
e.vfmsub213ps(i.dest, src1, i.src3);
e.vfmsub213ps(i.dest, src1, src3);
} else if (i.dest == i.src3) {
e.vfmsub231ps(i.dest, src1, src2);
} else {
// Dest not equal to anything
e.vmovdqa(i.dest, src1);
e.vfmsub213ps(i.dest, src2, i.src3);
e.vfmsub213ps(i.dest, src2, src3);
}
});
} else {