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shader: Add integer division opcodes

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This commit is contained in:
ReinUsesLisp 2021-07-25 21:27:21 -03:00 committed by Fernando Sahmkow
parent 43aa695a04
commit 95761cc6a7
9 changed files with 37 additions and 0 deletions
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2
src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
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@ -304,6 +304,8 @@ void EmitIAdd64(EmitContext& ctx, IR::Inst& inst, Register a, Register b);
void EmitISub32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b);
void EmitISub64(EmitContext& ctx, IR::Inst& inst, Register a, Register b);
void EmitIMul32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b);
void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b);
void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, ScalarU32 a, ScalarU32 b);
void EmitINeg32(EmitContext& ctx, IR::Inst& inst, ScalarS32 value);
void EmitINeg64(EmitContext& ctx, IR::Inst& inst, Register value);
void EmitIAbs32(EmitContext& ctx, IR::Inst& inst, ScalarS32 value);

8
src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp
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@ -90,6 +90,14 @@ void EmitIMul32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b) {
ctx.Add("MUL.S {}.x,{},{};", inst, a, b);
}
void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b) {
ctx.Add("DIV.S {}.x,{},{};", inst, a, b);
}
void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, ScalarU32 a, ScalarU32 b) {
ctx.Add("DIV.U {}.x,{},{};", inst, a, b);
}
void EmitINeg32(EmitContext& ctx, IR::Inst& inst, ScalarS32 value) {
if (value.type != Type::Register && static_cast<s32>(value.imm_u32) < 0) {
ctx.Add("MOV.S {},{};", inst, -static_cast<s32>(value.imm_u32));

2
src/shader_recompiler/backend/glsl/emit_glsl_instructions.h
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@ -363,6 +363,8 @@ void EmitIAdd64(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::strin
void EmitISub32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitISub64(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitIMul32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b);
void EmitINeg32(EmitContext& ctx, IR::Inst& inst, std::string_view value);
void EmitINeg64(EmitContext& ctx, IR::Inst& inst, std::string_view value);
void EmitIAbs32(EmitContext& ctx, IR::Inst& inst, std::string_view value);

8
src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
View file

@ -78,6 +78,14 @@ void EmitIMul32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::strin
ctx.AddU32("{}=uint({}*{});", inst, a, b);
}
void EmitSDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
ctx.AddU32("{}=uint(int({})/int({}));", inst, a, b);
}
void EmitUDiv32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
ctx.AddU32("{}={}/{};", inst, a, b);
}
void EmitINeg32(EmitContext& ctx, IR::Inst& inst, std::string_view value) {
ctx.AddU32("{}=uint(-({}));", inst, value);
}

2
src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
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@ -284,6 +284,8 @@ Id EmitIAdd64(EmitContext& ctx, Id a, Id b);
Id EmitISub32(EmitContext& ctx, Id a, Id b);
Id EmitISub64(EmitContext& ctx, Id a, Id b);
Id EmitIMul32(EmitContext& ctx, Id a, Id b);
Id EmitSDiv32(EmitContext& ctx, Id a, Id b);
Id EmitUDiv32(EmitContext& ctx, Id a, Id b);
Id EmitINeg32(EmitContext& ctx, Id value);
Id EmitINeg64(EmitContext& ctx, Id value);
Id EmitIAbs32(EmitContext& ctx, Id value);

8
src/shader_recompiler/backend/spirv/emit_spirv_integer.cpp
View file

@ -72,6 +72,14 @@ Id EmitIMul32(EmitContext& ctx, Id a, Id b) {
return ctx.OpIMul(ctx.U32[1], a, b);
}
Id EmitSDiv32(EmitContext& ctx, Id a, Id b) {
return ctx.OpSDiv(ctx.U32[1], a, b);
}
Id EmitUDiv32(EmitContext& ctx, Id a, Id b) {
return ctx.OpUDiv(ctx.U32[1], a, b);
}
Id EmitINeg32(EmitContext& ctx, Id value) {
return ctx.OpSNegate(ctx.U32[1], value);
}

4
src/shader_recompiler/frontend/ir/ir_emitter.cpp
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@ -1145,6 +1145,10 @@ U32 IREmitter::IMul(const U32& a, const U32& b) {
return Inst<U32>(Opcode::IMul32, a, b);
}
U32 IREmitter::IDiv(const U32& a, const U32& b, bool is_signed) {
return Inst<U32>(is_signed ? Opcode::SDiv32 : Opcode::UDiv32, a, b);
}
U32U64 IREmitter::INeg(const U32U64& value) {
switch (value.Type()) {
case Type::U32:

1
src/shader_recompiler/frontend/ir/ir_emitter.h
View file

@ -209,6 +209,7 @@ public:
[[nodiscard]] U32U64 IAdd(const U32U64& a, const U32U64& b);
[[nodiscard]] U32U64 ISub(const U32U64& a, const U32U64& b);
[[nodiscard]] U32 IMul(const U32& a, const U32& b);
[[nodiscard]] U32 IDiv(const U32& a, const U32& b, bool is_signed = false);
[[nodiscard]] U32U64 INeg(const U32U64& value);
[[nodiscard]] U32 IAbs(const U32& value);
[[nodiscard]] U32U64 ShiftLeftLogical(const U32U64& base, const U32& shift);

2
src/shader_recompiler/frontend/ir/opcodes.inc
View file

@ -287,6 +287,8 @@ OPCODE(IAdd64, U64, U64,
OPCODE(ISub32, U32, U32, U32, )
OPCODE(ISub64, U64, U64, U64, )
OPCODE(IMul32, U32, U32, U32, )
OPCODE(SDiv32, U32, U32, U32, )
OPCODE(UDiv32, U32, U32, U32, )
OPCODE(INeg32, U32, U32, )
OPCODE(INeg64, U64, U64, )
OPCODE(IAbs32, U32, U32, )