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x64 shader rec: Add support for PICA non-IEEE multiplication

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wheremyfoodat 2024-07-15 02:12:04 +03:00
parent 8eab353491
commit 133082c232
2 changed files with 142 additions and 23 deletions
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5
include/PICA/dynapica/shader_rec_emitter_x64.hpp
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@ -32,6 +32,8 @@ class ShaderEmitter : public Xbyak::CodeGenerator {
Label negateVector;
// Vector value of (1.0, 1.0, 1.0, 1.0) for SLT(i)/SGE(i)
Label onesVector;
// Vector value of (0xFF, 0xFF, 0xFF, 0) for setting the w component to 0 in DP3
Label dp3Vector;
u32 recompilerPC = 0; // PC the recompiler is currently recompiling @
u32 loopLevel = 0; // The current loop nesting level (0 = not in a loop)
@ -49,6 +51,9 @@ class ShaderEmitter : public Xbyak::CodeGenerator {
Xbyak::Label emitExp2Func();
Xbyak::util::Cpu cpuCaps;
// Emit a PICA200-compliant multiplication that handles "0 * inf = 0"
void emitSafeMUL(Xbyak::Xmm src1, Xbyak::Xmm src2, Xbyak::Xmm scratch);
// Compile all instructions from [current recompiler PC, end)
void compileUntil(const PICAShader& shaderUnit, u32 endPC);
// Compile instruction "instr"