diff --git a/src/shader_recompiler/CMakeLists.txt b/src/shader_recompiler/CMakeLists.txt index 89fc24f62a..035fd34e27 100644 --- a/src/shader_recompiler/CMakeLists.txt +++ b/src/shader_recompiler/CMakeLists.txt @@ -64,6 +64,7 @@ add_library(shader_recompiler STATIC frontend/maxwell/translate/impl/common_encoding.h frontend/maxwell/translate/impl/common_funcs.cpp frontend/maxwell/translate/impl/common_funcs.h + frontend/maxwell/translate/impl/find_leading_one.cpp frontend/maxwell/translate/impl/floating_point_add.cpp frontend/maxwell/translate/impl/floating_point_conversion_integer.cpp frontend/maxwell/translate/impl/floating_point_fused_multiply_add.cpp diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h index 4d00b235d3..5446d6ab69 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv.h +++ b/src/shader_recompiler/backend/spirv/emit_spirv.h @@ -229,7 +229,9 @@ Id EmitBitFieldSExtract(EmitContext& ctx, Id base, Id offset, Id count); Id EmitBitFieldUExtract(EmitContext& ctx, Id base, Id offset, Id count); Id EmitBitReverse32(EmitContext& ctx, Id value); Id EmitBitCount32(EmitContext& ctx, Id value); -Id EmitBitwiseNot32(EmitContext& ctx, Id a); +Id EmitBitwiseNot32(EmitContext& ctx, Id value); +Id EmitFindSMsb32(EmitContext& ctx, Id value); +Id EmitFindUMsb32(EmitContext& ctx, Id value); Id EmitSMin32(EmitContext& ctx, Id a, Id b); Id EmitUMin32(EmitContext& ctx, Id a, Id b); Id EmitSMax32(EmitContext& ctx, Id a, Id b); diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp index 5bdd943a4e..162fb6a912 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp @@ -110,8 +110,16 @@ Id EmitBitCount32(EmitContext& ctx, Id value) { return ctx.OpBitCount(ctx.U32[1], value); } -Id EmitBitwiseNot32(EmitContext& ctx, Id a) { - return ctx.OpNot(ctx.U32[1], a); +Id EmitBitwiseNot32(EmitContext& ctx, Id value) { + return ctx.OpNot(ctx.U32[1], value); +} + +Id EmitFindSMsb32(EmitContext& ctx, Id value) { + return ctx.OpFindSMsb(ctx.U32[1], value); +} + +Id EmitFindUMsb32(EmitContext& ctx, Id value) { + return ctx.OpFindUMsb(ctx.U32[1], value); } Id EmitSMin32(EmitContext& ctx, Id a, Id b) { diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp index 04edcdfd80..0f1cab57af 100644 --- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp +++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp @@ -812,8 +812,16 @@ U32 IREmitter::BitCount(const U32& value) { return Inst(Opcode::BitCount32, value); } -U32 IREmitter::BitwiseNot(const U32& a) { - return Inst(Opcode::BitwiseNot32, a); +U32 IREmitter::BitwiseNot(const U32& value) { + return Inst(Opcode::BitwiseNot32, value); +} + +U32 IREmitter::FindSMsb(const U32& value) { + return Inst(Opcode::FindSMsb32, value); +} + +U32 IREmitter::FindUMsb(const U32& value) { + return Inst(Opcode::FindUMsb32, value); } U32 IREmitter::SMin(const U32& a, const U32& b) { diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.h b/src/shader_recompiler/frontend/ir/ir_emitter.h index 00ba2e4cd4..03a67985f6 100644 --- a/src/shader_recompiler/frontend/ir/ir_emitter.h +++ b/src/shader_recompiler/frontend/ir/ir_emitter.h @@ -161,8 +161,10 @@ public: bool is_signed); [[nodiscard]] U32 BitReverse(const U32& value); [[nodiscard]] U32 BitCount(const U32& value); - [[nodiscard]] U32 BitwiseNot(const U32& a); + [[nodiscard]] U32 BitwiseNot(const U32& value); + [[nodiscard]] U32 FindSMsb(const U32& value); + [[nodiscard]] U32 FindUMsb(const U32& value); [[nodiscard]] U32 SMin(const U32& a, const U32& b); [[nodiscard]] U32 UMin(const U32& a, const U32& b); [[nodiscard]] U32 SMax(const U32& a, const U32& b); diff --git a/src/shader_recompiler/frontend/ir/opcodes.inc b/src/shader_recompiler/frontend/ir/opcodes.inc index 2c4a997dc7..aedbc5c3e4 100644 --- a/src/shader_recompiler/frontend/ir/opcodes.inc +++ b/src/shader_recompiler/frontend/ir/opcodes.inc @@ -235,6 +235,8 @@ OPCODE(BitReverse32, U32, U32, OPCODE(BitCount32, U32, U32, ) OPCODE(BitwiseNot32, U32, U32, ) +OPCODE(FindSMsb32, U32, U32, ) +OPCODE(FindUMsb32, U32, U32, ) OPCODE(SMin32, U32, U32, U32, ) OPCODE(UMin32, U32, U32, U32, ) OPCODE(SMax32, U32, U32, U32, ) diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/find_leading_one.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/find_leading_one.cpp new file mode 100644 index 0000000000..d5361bec57 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/find_leading_one.cpp @@ -0,0 +1,46 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/bit_field.h" +#include "common/common_types.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" + +namespace Shader::Maxwell { +namespace { +void FLO(TranslatorVisitor& v, u64 insn, const IR::U32& src) { + union { + u64 insn; + BitField<0, 8, IR::Reg> dest_reg; + BitField<40, 1, u64> tilde; + BitField<41, 1, u64> shift; + BitField<48, 1, u64> is_signed; + } const flo{insn}; + + const bool invert{flo.tilde != 0}; + const bool is_signed{flo.is_signed != 0}; + const bool shift_op{flo.shift != 0}; + + const IR::U32 operand{invert ? v.ir.BitwiseNot(src) : src}; + const IR::U32 find_result{is_signed ? v.ir.FindSMsb(operand) : v.ir.FindUMsb(operand)}; + const IR::U1 find_fail{v.ir.IEqual(find_result, v.ir.Imm32(-1))}; + const IR::U32 offset{v.ir.Imm32(31)}; + const IR::U32 success_result{shift_op ? IR::U32{v.ir.ISub(offset, find_result)} : find_result}; + + const IR::U32 result{v.ir.Select(find_fail, find_result, success_result)}; + v.X(flo.dest_reg, result); +} +} // Anonymous namespace + +void TranslatorVisitor::FLO_reg(u64 insn) { + FLO(*this, insn, GetReg20(insn)); +} + +void TranslatorVisitor::FLO_cbuf(u64 insn) { + FLO(*this, insn, GetCbuf(insn)); +} + +void TranslatorVisitor::FLO_imm(u64 insn) { + FLO(*this, insn, GetImm20(insn)); +} +} // namespace Shader::Maxwell 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 f327e6fa56..2da0b87c45 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp @@ -217,18 +217,6 @@ void TranslatorVisitor::FCMP_imm(u64) { ThrowNotImplemented(Opcode::FCMP_imm); } -void TranslatorVisitor::FLO_reg(u64) { - ThrowNotImplemented(Opcode::FLO_reg); -} - -void TranslatorVisitor::FLO_cbuf(u64) { - ThrowNotImplemented(Opcode::FLO_cbuf); -} - -void TranslatorVisitor::FLO_imm(u64) { - ThrowNotImplemented(Opcode::FLO_imm); -} - void TranslatorVisitor::FMNMX_reg(u64) { ThrowNotImplemented(Opcode::FMNMX_reg); }