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Merge pull request #5546 from FearlessTobi/port-5524

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Port yuzu-emu/yuzu#4086 and yuzu-emu/yuzu#4611: Xbyak cleanups
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Marshall Mohror 2021-02-08 16:00:18 -06:00 • committed by GitHub
commit 5776bdda82
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4 changed files with 79 additions and 70 deletions
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36
src/video_core/shader/shader_jit_x64_compiler.cpp
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@ -102,40 +102,40 @@ const JitFunction instr_table[64] = {
// purposes, as documented below:
/// Pointer to the uniform memory
static const Reg64 UNIFORMS = r9;
constexpr Reg64 UNIFORMS = r9;
/// The two 32-bit VS address offset registers set by the MOVA instruction
static const Reg64 ADDROFFS_REG_0 = r10;
static const Reg64 ADDROFFS_REG_1 = r11;
constexpr Reg64 ADDROFFS_REG_0 = r10;
constexpr Reg64 ADDROFFS_REG_1 = r11;
/// VS loop count register (Multiplied by 16)
static const Reg32 LOOPCOUNT_REG = r12d;
constexpr Reg32 LOOPCOUNT_REG = r12d;
/// Current VS loop iteration number (we could probably use LOOPCOUNT_REG, but this quicker)
static const Reg32 LOOPCOUNT = esi;
constexpr Reg32 LOOPCOUNT = esi;
/// Number to increment LOOPCOUNT_REG by on each loop iteration (Multiplied by 16)
static const Reg32 LOOPINC = edi;
constexpr Reg32 LOOPINC = edi;
/// Result of the previous CMP instruction for the X-component comparison
static const Reg64 COND0 = r13;
constexpr Reg64 COND0 = r13;
/// Result of the previous CMP instruction for the Y-component comparison
static const Reg64 COND1 = r14;
constexpr Reg64 COND1 = r14;
/// Pointer to the UnitState instance for the current VS unit
static const Reg64 STATE = r15;
constexpr Reg64 STATE = r15;
/// SIMD scratch register
static const Xmm SCRATCH = xmm0;
constexpr Xmm SCRATCH = xmm0;
/// Loaded with the first swizzled source register, otherwise can be used as a scratch register
static const Xmm SRC1 = xmm1;
constexpr Xmm SRC1 = xmm1;
/// Loaded with the second swizzled source register, otherwise can be used as a scratch register
static const Xmm SRC2 = xmm2;
constexpr Xmm SRC2 = xmm2;
/// Loaded with the third swizzled source register, otherwise can be used as a scratch register
static const Xmm SRC3 = xmm3;
constexpr Xmm SRC3 = xmm3;
/// Additional scratch register
static const Xmm SCRATCH2 = xmm4;
constexpr Xmm SCRATCH2 = xmm4;
/// Constant vector of [1.0f, 1.0f, 1.0f, 1.0f], used to efficiently set a vector to one
static const Xmm ONE = xmm14;
constexpr Xmm ONE = xmm14;
/// Constant vector of [-0.f, -0.f, -0.f, -0.f], used to efficiently negate a vector with XOR
static const Xmm NEGBIT = xmm15;
constexpr Xmm NEGBIT = xmm15;
// State registers that must not be modified by external functions calls
// Scratch registers, e.g., SRC1 and SCRATCH, have to be saved on the side if needed
static const BitSet32 persistent_regs = BuildRegSet({
static const std::bitset<32> persistent_regs = BuildRegSet({
// Pointers to register blocks
UNIFORMS,
STATE,
@ -356,7 +356,7 @@ void JitShader::Compile_UniformCondition(Instruction instr) {
cmp(byte[UNIFORMS + offset], 0);
}
BitSet32 JitShader::PersistentCallerSavedRegs() {
std::bitset<32> JitShader::PersistentCallerSavedRegs() {
return persistent_regs & ABI_ALL_CALLER_SAVED;
}

3
src/video_core/shader/shader_jit_x64_compiler.h
View file

@ -5,6 +5,7 @@
#pragma once
#include <array>
#include <bitset>
#include <cstddef>
#include <optional>
#include <utility>
@ -91,7 +92,7 @@ private:
*/
void Compile_Return();
BitSet32 PersistentCallerSavedRegs();
std::bitset<32> PersistentCallerSavedRegs();
/**
* Assertion evaluated at compile-time, but only triggered if executed at runtime.