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authorameerj <52414509+ameerj@users.noreply.github.com>2021-03-21 07:09:14 +0100
committerameerj <52414509+ameerj@users.noreply.github.com>2021-07-23 03:51:24 +0200
commitc858b8ba97d3ff79dcff0795c1184ee356f2cd1a (patch)
treea6b0c12aebb276c8a475b206941779d8d1af371d
parentshader: Add FP64 register load/store helpers (diff)
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-rw-r--r--src/shader_recompiler/CMakeLists.txt2
-rw-r--r--src/shader_recompiler/frontend/maxwell/maxwell.inc2
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/double_add.cpp2
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/double_fused_multiply_add.cpp53
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/double_multiply.cpp45
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp8
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/impl.h1
-rw-r--r--src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp28
8 files changed, 111 insertions, 30 deletions
diff --git a/src/shader_recompiler/CMakeLists.txt b/src/shader_recompiler/CMakeLists.txt
index 87654931b..fb5d60334 100644
--- a/src/shader_recompiler/CMakeLists.txt
+++ b/src/shader_recompiler/CMakeLists.txt
@@ -65,6 +65,8 @@ add_library(shader_recompiler STATIC
frontend/maxwell/translate/impl/common_funcs.h
frontend/maxwell/translate/impl/condition_code_set.cpp
frontend/maxwell/translate/impl/double_add.cpp
+ frontend/maxwell/translate/impl/double_fused_multiply_add.cpp
+ frontend/maxwell/translate/impl/double_multiply.cpp
frontend/maxwell/translate/impl/exit_program.cpp
frontend/maxwell/translate/impl/find_leading_one.cpp
frontend/maxwell/translate/impl/floating_point_add.cpp
diff --git a/src/shader_recompiler/frontend/maxwell/maxwell.inc b/src/shader_recompiler/frontend/maxwell/maxwell.inc
index 1b87d04fc..1dfaeb92f 100644
--- a/src/shader_recompiler/frontend/maxwell/maxwell.inc
+++ b/src/shader_recompiler/frontend/maxwell/maxwell.inc
@@ -35,7 +35,7 @@ INST(DADD_imm, "DADD (imm)", "0011 100- 0111 0---")
INST(DEPBAR, "DEPBAR", "1111 0000 1111 0---")
INST(DFMA_reg, "DFMA (reg)", "0101 1011 0111 ----")
INST(DFMA_rc, "DFMA (rc)", "0101 0011 0111 ----")
-INST(DFMA_cr, "DFMA (cr)", "0010 1011 0111 ----")
+INST(DFMA_cr, "DFMA (cr)", "0100 1011 0111 ----")
INST(DFMA_imm, "DFMA (imm)", "0011 011- 0111 ----")
INST(DMNMX_reg, "DMNMX (reg)", "0100 1100 0101 0---")
INST(DMNMX_cbuf, "DMNMX (cbuf)", "0101 1100 0101 0---")
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/double_add.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/double_add.cpp
index 3db09d0c2..ac1433dea 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/double_add.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/double_add.cpp
@@ -30,7 +30,7 @@ void DADD(TranslatorVisitor& v, u64 insn, const IR::F64& src_b) {
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{
+ const IR::FpControl control{
.no_contraction{true},
.rounding{CastFpRounding(dadd.fp_rounding)},
.fmz_mode{IR::FmzMode::None},
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/double_fused_multiply_add.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/double_fused_multiply_add.cpp
new file mode 100644
index 000000000..ff7321862
--- /dev/null
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/double_fused_multiply_add.cpp
@@ -0,0 +1,53 @@
+// 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 DFMA(TranslatorVisitor& v, u64 insn, const IR::F64& src_b, const IR::F64& src_c) {
+ union {
+ u64 raw;
+ BitField<0, 8, IR::Reg> dest_reg;
+ BitField<8, 8, IR::Reg> src_a_reg;
+ BitField<50, 2, FpRounding> fp_rounding;
+ BitField<48, 1, u64> neg_b;
+ BitField<49, 1, u64> neg_c;
+ } const dfma{insn};
+
+ const IR::F64 src_a{v.D(dfma.src_a_reg)};
+ const IR::F64 op_b{v.ir.FPAbsNeg(src_b, false, dfma.neg_b != 0)};
+ const IR::F64 op_c{v.ir.FPAbsNeg(src_c, false, dfma.neg_c != 0)};
+
+ const IR::FpControl control{
+ .no_contraction{true},
+ .rounding{CastFpRounding(dfma.fp_rounding)},
+ .fmz_mode{IR::FmzMode::None},
+ };
+
+ v.D(dfma.dest_reg, v.ir.FPFma(src_a, op_b, op_c, control));
+}
+} // Anonymous namespace
+
+void TranslatorVisitor::DFMA_reg(u64 insn) {
+ DFMA(*this, insn, GetDoubleReg20(insn), GetDoubleReg39(insn));
+}
+
+void TranslatorVisitor::DFMA_cr(u64 insn) {
+ DFMA(*this, insn, GetDoubleCbuf(insn), GetDoubleReg39(insn));
+}
+
+void TranslatorVisitor::DFMA_rc(u64 insn) {
+ DFMA(*this, insn, GetDoubleReg39(insn), GetDoubleCbuf(insn));
+}
+
+void TranslatorVisitor::DFMA_imm(u64 insn) {
+ DFMA(*this, insn, GetDoubleImm20(insn), GetDoubleReg39(insn));
+}
+
+} // namespace Shader::Maxwell
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/double_multiply.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/double_multiply.cpp
new file mode 100644
index 000000000..3e83d1c95
--- /dev/null
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/double_multiply.cpp
@@ -0,0 +1,45 @@
+// 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 DMUL(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<48, 1, u64> neg;
+ } const dmul{insn};
+
+ const IR::F64 src_a{v.ir.FPAbsNeg(v.D(dmul.src_a_reg), false, dmul.neg != 0)};
+ const IR::FpControl control{
+ .no_contraction{true},
+ .rounding{CastFpRounding(dmul.fp_rounding)},
+ .fmz_mode{IR::FmzMode::None},
+ };
+
+ v.D(dmul.dest_reg, v.ir.FPMul(src_a, src_b, control));
+}
+} // Anonymous namespace
+
+void TranslatorVisitor::DMUL_reg(u64 insn) {
+ DMUL(*this, insn, GetDoubleReg20(insn));
+}
+
+void TranslatorVisitor::DMUL_cbuf(u64 insn) {
+ DMUL(*this, insn, GetDoubleCbuf(insn));
+}
+
+void TranslatorVisitor::DMUL_imm(u64 insn) {
+ DMUL(*this, insn, GetDoubleImm20(insn));
+}
+
+} // namespace Shader::Maxwell
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp
index 2d2f6f9c6..758a0230a 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp
@@ -90,6 +90,14 @@ IR::F64 TranslatorVisitor::GetDoubleReg20(u64 insn) {
return D(reg.index);
}
+IR::F64 TranslatorVisitor::GetDoubleReg39(u64 insn) {
+ union {
+ u64 raw;
+ BitField<39, 8, IR::Reg> index;
+ } const reg{insn};
+ return D(reg.index);
+}
+
static std::pair<IR::U32, IR::U32> CbufAddr(u64 insn) {
union {
u64 raw;
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h
index 1a1073fa7..c994fe803 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/impl.h
@@ -354,6 +354,7 @@ public:
[[nodiscard]] IR::F32 GetFloatReg20(u64 insn);
[[nodiscard]] IR::F32 GetFloatReg39(u64 insn);
[[nodiscard]] IR::F64 GetDoubleReg20(u64 insn);
+ [[nodiscard]] IR::F64 GetDoubleReg39(u64 insn);
[[nodiscard]] IR::U32 GetCbuf(u64 insn);
[[nodiscard]] IR::F32 GetFloatCbuf(u64 insn);
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
index bd3c1f9d6..4e069912a 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
@@ -81,22 +81,6 @@ void TranslatorVisitor::DEPBAR() {
// DEPBAR is a no-op
}
-void TranslatorVisitor::DFMA_reg(u64) {
- ThrowNotImplemented(Opcode::DFMA_reg);
-}
-
-void TranslatorVisitor::DFMA_rc(u64) {
- ThrowNotImplemented(Opcode::DFMA_rc);
-}
-
-void TranslatorVisitor::DFMA_cr(u64) {
- ThrowNotImplemented(Opcode::DFMA_cr);
-}
-
-void TranslatorVisitor::DFMA_imm(u64) {
- ThrowNotImplemented(Opcode::DFMA_imm);
-}
-
void TranslatorVisitor::DMNMX_reg(u64) {
ThrowNotImplemented(Opcode::DMNMX_reg);
}
@@ -109,18 +93,6 @@ void TranslatorVisitor::DMNMX_imm(u64) {
ThrowNotImplemented(Opcode::DMNMX_imm);
}
-void TranslatorVisitor::DMUL_reg(u64) {
- ThrowNotImplemented(Opcode::DMUL_reg);
-}
-
-void TranslatorVisitor::DMUL_cbuf(u64) {
- ThrowNotImplemented(Opcode::DMUL_cbuf);
-}
-
-void TranslatorVisitor::DMUL_imm(u64) {
- ThrowNotImplemented(Opcode::DMUL_imm);
-}
-
void TranslatorVisitor::DSET_reg(u64) {
ThrowNotImplemented(Opcode::DSET_reg);
}