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Check for redundant operations.

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This commit is contained in:
Skyth 2024-09-23 22:27:02 +03:00
parent aef470a0f0
commit e2835efa72
1 changed files with 39 additions and 9 deletions
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48
PowerRecomp/recompiler.cpp
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@ -1305,26 +1305,44 @@ bool Recompiler::Recompile(const Function& fn, uint32_t base, const ppc_insn& in
case PPC_INST_VCTSXS:
case PPC_INST_VCFPSXWS128:
println("\tctx.fpscr.setFlushMode(true);");
println("\t_mm_store_si128((__m128i*)ctx.v{}.s32, _mm_vctsxs(_mm_mul_ps(_mm_load_ps(ctx.v{}.f32), _mm_set1_ps({}))));", insn.operands[0], insn.operands[1], 1u << insn.operands[2]);
print("\t_mm_store_si128((__m128i*)ctx.v{}.s32, _mm_vctsxs(", insn.operands[0]);
if (insn.operands[2] != 0)
println("_mm_mul_ps(_mm_load_ps(ctx.v{}.f32), _mm_set1_ps({}))));", insn.operands[1], 1u << insn.operands[2]);
else
println("_mm_load_ps(ctx.v{}.f32)));", insn.operands[1]);
break;
case PPC_INST_VCFSX:
case PPC_INST_VCSXWFP128:
{
const float v = ldexp(1.0f, -int32_t(insn.operands[2]));
println("\tctx.fpscr.setFlushMode(true);");
println("\t_mm_store_ps(ctx.v{}.f32, _mm_mul_ps(_mm_cvtepi32_ps(_mm_load_si128((__m128i*)ctx.v{}.u32)), _mm_castsi128_ps(_mm_set1_epi32(int(0x{:X})))));", insn.operands[0], insn.operands[1], *reinterpret_cast<const uint32_t*>(&v));
print("\t_mm_store_ps(ctx.v{}.f32, ", insn.operands[0]);
if (insn.operands[2] != 0)
{
const float v = ldexp(1.0f, -int32_t(insn.operands[2]));
println("_mm_mul_ps(_mm_cvtepi32_ps(_mm_load_si128((__m128i*)ctx.v{}.u32)), _mm_castsi128_ps(_mm_set1_epi32(int(0x{:X})))));", insn.operands[1], *reinterpret_cast<const uint32_t*>(&v));
}
else
{
println("_mm_cvtepi32_ps(_mm_load_si128((__m128i*)ctx.v{}.u32)));", insn.operands[1]);
}
break;
}
case PPC_INST_VCFUX:
case PPC_INST_VCUXWFP128:
{
const float v = ldexp(1.0f, -int32_t(insn.operands[2]));
println("\tctx.fpscr.setFlushMode(true);");
println("\t_mm_store_ps(ctx.v{}.f32, _mm_mul_ps(_mm_cvtepu32_ps_(_mm_load_si128((__m128i*)ctx.v{}.u32)), _mm_castsi128_ps(_mm_set1_epi32(int(0x{:X})))));", insn.operands[0], insn.operands[1], *reinterpret_cast<const uint32_t*>(&v));
print("\t_mm_store_ps(ctx.v{}.f32, ", insn.operands[0]);
if (insn.operands[2] != 0)
{
const float v = ldexp(1.0f, -int32_t(insn.operands[2]));
println("_mm_mul_ps(_mm_cvtepu32_ps_(_mm_load_si128((__m128i*)ctx.v{}.u32)), _mm_castsi128_ps(_mm_set1_epi32(int(0x{:X})))));", insn.operands[1], *reinterpret_cast<const uint32_t*>(&v));
}
else
{
println("_mm_cvtepu32_ps_(_mm_load_si128((__m128i*)ctx.v{}.u32)));", insn.operands[1]);
}
break;
}
@ -1467,7 +1485,13 @@ bool Recompiler::Recompile(const Function& fn, uint32_t base, const ppc_insn& in
case PPC_INST_VOR:
case PPC_INST_VOR128:
println("\t_mm_store_si128((__m128i*)ctx.v{}.u8, _mm_or_si128(_mm_load_si128((__m128i*)ctx.v{}.u8), _mm_load_si128((__m128i*)ctx.v{}.u8)));", insn.operands[0], insn.operands[1], insn.operands[2]);
print("\t_mm_store_si128((__m128i*)ctx.v{}.u8, ", insn.operands[0]);
if (insn.operands[1] != insn.operands[2])
println("_mm_or_si128(_mm_load_si128((__m128i*)ctx.v{}.u8), _mm_load_si128((__m128i*)ctx.v{}.u8)));", insn.operands[1], insn.operands[2]);
else
println("_mm_load_si128((__m128i*)ctx.v{}.u8));", insn.operands[1]);
break;
case PPC_INST_VPERM:
@ -1706,7 +1730,13 @@ bool Recompiler::Recompile(const Function& fn, uint32_t base, const ppc_insn& in
case PPC_INST_VXOR:
case PPC_INST_VXOR128:
println("\t_mm_store_si128((__m128i*)ctx.v{}.u8, _mm_xor_si128(_mm_load_si128((__m128i*)ctx.v{}.u8), _mm_load_si128((__m128i*)ctx.v{}.u8)));", insn.operands[0], insn.operands[1], insn.operands[2]);
print("\t_mm_store_si128((__m128i*)ctx.v{}.u8, ", insn.operands[0]);
if (insn.operands[1] != insn.operands[2])
println("_mm_xor_si128(_mm_load_si128((__m128i*)ctx.v{}.u8), _mm_load_si128((__m128i*)ctx.v{}.u8)));", insn.operands[1], insn.operands[2]);
else
println("_mm_setzero_si128());");
break;
case PPC_INST_XOR: