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samplerjit: Fix some Linux register issues.

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Unknown W. Brackets 2022-01-20 23:39:10 -08:00
parent 85d868a369
commit 212e730e98
1 changed files with 15 additions and 3 deletions
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18
GPU/Software/SamplerX86.cpp
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@ -42,6 +42,7 @@ FetchFunc SamplerJitCache::CompileFetch(const SamplerID &id) {
RegCache::GEN_ARG_ID,
});
regCache_.ChangeReg(RAX, RegCache::GEN_RESULT);
regCache_.ForceRetain(RegCache::GEN_RESULT);
regCache_.ChangeReg(XMM0, RegCache::VEC_RESULT);
BeginWrite();
@ -81,11 +82,17 @@ FetchFunc SamplerJitCache::CompileFetch(const SamplerID &id) {
return nullptr;
}
if (regCache_.Has(RegCache::GEN_ARG_LEVEL))
regCache_.ForceRelease(RegCache::GEN_ARG_LEVEL);
if (regCache_.Has(RegCache::GEN_ARG_ID))
regCache_.ForceRelease(RegCache::GEN_ARG_ID);
X64Reg vecResultReg = regCache_.Find(RegCache::VEC_RESULT);
X64Reg resultReg = regCache_.Find(RegCache::GEN_RESULT);
MOVD_xmm(vecResultReg, R(resultReg));
regCache_.Release(resultReg, RegCache::GEN_RESULT);
regCache_.Unlock(resultReg, RegCache::GEN_RESULT);
regCache_.ForceRelease(RegCache::GEN_RESULT);
if (cpu_info.bSSE4_1) {
PMOVZXBD(vecResultReg, R(vecResultReg));
@ -441,12 +448,12 @@ LinearFunc SamplerJitCache::CompileLinear(const SamplerID &id) {
RegCache::GEN_ARG_LEVEL,
// Avoid clobber.
RegCache::GEN_ARG_LEVELFRAC,
});
regCache_.ChangeReg(RAX, RegCache::GEN_RESULT);
});
auto lockReg = [&](X64Reg r, RegCache::Purpose p) {
regCache_.ChangeReg(r, p);
regCache_.ForceRetain(p);
};
lockReg(RAX, RegCache::GEN_RESULT);
lockReg(XMM0, RegCache::VEC_ARG_U);
lockReg(XMM1, RegCache::VEC_ARG_V);
lockReg(XMM5, RegCache::VEC_RESULT);
@ -474,6 +481,7 @@ LinearFunc SamplerJitCache::CompileLinear(const SamplerID &id) {
Describe("Init");
RET();
regCache_.ForceRelease(RegCache::GEN_RESULT);
regCache_.ForceRelease(RegCache::VEC_ARG_U);
regCache_.ForceRelease(RegCache::VEC_ARG_V);
regCache_.ForceRelease(RegCache::VEC_RESULT);
@ -1758,6 +1766,10 @@ bool SamplerJitCache::Jit_GetDXT1Color(const SamplerID &id, int blockSize, int a
regCache_.Release(srcBaseReg, RegCache::GEN_TEMP0);
regCache_.Release(srcOffsetReg, RegCache::GEN_TEMP1);
// Make sure we don't grab this as colorIndexReg.
if (uReg != ECX)
regCache_.ChangeReg(RCX, RegCache::GEN_SHIFTVAL);
// The colorIndex is simply the 2 bits at blockPos + (v & 3), shifted right by (u & 3) twice.
X64Reg colorIndexReg = regCache_.Alloc(RegCache::GEN_TEMP0);
MOVZX(32, 8, colorIndexReg, MRegSum(srcReg, vReg));