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glasm: Initial GLASM fp64 support

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This commit is contained in:
ReinUsesLisp 2021-05-09 18:03:01 -03:00 • committed by ameerj
parent 9f851e3832
commit 4502595bc2
9 changed files with 152 additions and 55 deletions
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17
src/shader_recompiler/backend/glasm/emit_glasm.cpp
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@ -42,7 +42,11 @@ template <bool scalar>
struct RegWrapper {
RegWrapper(EmitContext& ctx, Value value)
: reg_alloc{ctx.reg_alloc}, allocated{value.type != Type::Register} {
reg = allocated ? reg_alloc.AllocReg() : Register{value};
if (allocated) {
reg = value.type == Type::F64 ? reg_alloc.AllocLongReg() : reg_alloc.AllocReg();
} else {
reg = Register{value};
}
switch (value.type) {
case Type::Register:
break;
@ -55,6 +59,9 @@ struct RegWrapper {
case Type::F32:
ctx.Add("MOV.F {}.x,{};", reg, value.imm_f32);
break;
case Type::F64:
ctx.Add("MOV.F64 {}.x,{};", reg, value.imm_f64);
break;
}
}
~RegWrapper() {
@ -162,10 +169,12 @@ std::string EmitGLASM(const Profile&, IR::Program& program, Bindings&) {
for (size_t index = 0; index < ctx.reg_alloc.NumUsedRegisters(); ++index) {
header += fmt::format("R{},", index);
}
header += "RC;";
if (!program.info.storage_buffers_descriptors.empty()) {
header += "LONG TEMP LC;";
header += "RC;"
"LONG TEMP ";
for (size_t index = 0; index < ctx.reg_alloc.NumUsedLongRegisters(); ++index) {
header += fmt::format("D{},", index);
}
header += "DC;";
ctx.code.insert(0, header);
ctx.code += "END";
return ctx.code;