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Implement vcmpbfp/vcmpbfp128 - need to implement vscr saturation bit control

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CRACKbomber 2025-05-23 14:51:45 -04:00 • committed by Tom
parent 485ca80383
commit e5ca0a2684
2 changed files with 12 additions and 1 deletions
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6
XenonRecomp/recompiler.cpp
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@ -1876,7 +1876,11 @@ bool Recompiler::Recompile(
case PPC_INST_VCMPBFP:
case PPC_INST_VCMPBFP128:
println("\t__builtin_debugtrap();");
printSetFlushMode(true);
println("\t_mm_store_ps({}.f32, _mm_vcmpbfp(_mm_load_ps({}.f32), _mm_load_ps({}.f32)));",
v(insn.operands[0]), v(insn.operands[1]), v(insn.operands[2]));
if (strchr(insn.opcode->name, '.'))
println("\t{}.setFromMask(_mm_load_ps({}.f32), 0xF);", cr(6), v(insn.operands[0]));
break;
case PPC_INST_VCMPEQFP:

7
XenonUtils/ppc_context.h
View file

@ -651,4 +651,11 @@ inline __m128i _mm_vsr(__m128i a, __m128i b)
return _mm_castps_si128(_mm_insert_ps(_mm_castsi128_ps(_mm_srl_epi64(a, b)), _mm_castsi128_ps(_mm_srl_epi64(_mm_srli_si128(a, 4), b)), 0x10));
}
inline __m128 _mm_vcmpbfp(__m128 a, __m128 b)
{
__m128 xmm0 = _mm_and_ps(_mm_cmpgt_ps(a, b), _mm_castsi128_ps(_mm_set1_epi32(0x80000000)));
__m128 xmm1 = _mm_and_ps(_mm_cmplt_ps(a, _mm_sub_ps(_mm_setzero_ps(), b)), _mm_castsi128_ps(_mm_set1_epi32(0x40000000)));
return _mm_or_ps(xmm0, xmm1);
}
#endif