1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/common_types.h"
#include "shader_recompiler/exception.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/common_encoding.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
namespace Shader::Maxwell {
namespace {
void DADD(TranslatorVisitor& v, u64 insn, const IR::F64& src_b) {
union {
u64 raw;
BitField<0, 8, IR::Reg> dest_reg;
BitField<8, 8, IR::Reg> src_a_reg;
BitField<39, 2, FpRounding> fp_rounding;
BitField<45, 1, u64> neg_b;
BitField<46, 1, u64> abs_a;
BitField<47, 1, u64> cc;
BitField<48, 1, u64> neg_a;
BitField<49, 1, u64> abs_b;
} const dadd{insn};
if (!IR::IsAligned(dadd.dest_reg, 2)) {
throw NotImplementedException("Unaligned destination register {}", dadd.dest_reg.Value());
}
if (!IR::IsAligned(dadd.src_a_reg, 2)) {
throw NotImplementedException("Unaligned destination register {}", dadd.src_a_reg.Value());
}
if (dadd.cc != 0) {
throw NotImplementedException("DADD CC");
}
const IR::Reg reg_a{dadd.src_a_reg};
const IR::F64 src_a{v.ir.PackDouble2x32(v.ir.CompositeConstruct(v.X(reg_a), v.X(reg_a + 1)))};
const IR::F64 op_a{v.ir.FPAbsNeg(src_a, dadd.abs_a != 0, dadd.neg_a != 0)};
const IR::F64 op_b{v.ir.FPAbsNeg(src_b, dadd.abs_b != 0, dadd.neg_b != 0)};
IR::FpControl control{
.no_contraction{true},
.rounding{CastFpRounding(dadd.fp_rounding)},
.fmz_mode{IR::FmzMode::None},
};
const IR::F64 value{v.ir.FPAdd(op_a, op_b, control)};
const IR::Value result{v.ir.UnpackDouble2x32(value)};
for (int i = 0; i < 2; i++) {
v.X(dadd.dest_reg + i, IR::U32{v.ir.CompositeExtract(result, i)});
}
}
} // Anonymous namespace
void TranslatorVisitor::DADD_reg(u64 insn) {
DADD(*this, insn, GetDoubleReg20(insn));
}
void TranslatorVisitor::DADD_cbuf(u64 insn) {
DADD(*this, insn, GetDoubleCbuf(insn));
}
void TranslatorVisitor::DADD_imm(u64 insn) {
DADD(*this, insn, GetDoubleImm20(insn));
}
} // namespace Shader::Maxwell
|
