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Change vrefp/vrsqrtefp to precise variants for now.

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This commit is contained in:
Skyth
2024-09-28 13:53:42 +03:00
parent d5f44c11c5
commit 5414070cd3
1 changed files with 5 additions and 2 deletions
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7
PowerRecomp/recompiler.cpp
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@@ -1712,8 +1712,9 @@ bool Recompiler::Recompile(
case PPC_INST_VREFP:
case PPC_INST_VREFP128:
// TODO: see if we can use rcp safely
printSetFlushMode(true);
println("\t_mm_store_ps({}.f32, _mm_rcp_ps(_mm_load_ps({}.f32)));", v(insn.operands[0]), v(insn.operands[1]));
println("\t_mm_store_ps({}.f32, _mm_div_ps(_mm_set1_ps(1), _mm_load_ps({}.f32)));", v(insn.operands[0]), v(insn.operands[1]));
break;
case PPC_INST_VRFIM:
@@ -1743,8 +1744,10 @@ bool Recompiler::Recompile(
case PPC_INST_VRSQRTEFP:
case PPC_INST_VRSQRTEFP128:
// TODO: see if we can use rsqrt safely
// TODO: we can detect if the input is from a dot product and apply logic only on one value
printSetFlushMode(true);
println("\t_mm_store_ps({}.f32, _mm_rsqrt_ps(_mm_load_ps({}.f32)));", v(insn.operands[0]), v(insn.operands[1]));
println("\t_mm_store_ps({}.f32, _mm_div_ps(_mm_set1_ps(1), _mm_sqrt_ps(_mm_load_ps({}.f32))));", v(insn.operands[0]), v(insn.operands[1]));
break;
case PPC_INST_VSEL: