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Apply bitmasks in vector shift operations.

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Skyth 2024-09-23 01:18:17 +03:00
parent e366e1eea9
commit 255ff2170e
1 changed files with 3 additions and 3 deletions
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6
PowerRecomp/recompiler.cpp
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@ -1572,7 +1572,7 @@ bool Recompiler::Recompile(const Function& fn, uint32_t base, const ppc_insn& in
case PPC_INST_VSLW128:
// TODO: vectorize, ensure endianness is correct
for (size_t i = 0; i < 4; i++)
println("\tctx.v{}.u32[{}] = ctx.v{}.u32[{}] << ctx.v{}.u8[{}];", insn.operands[0], i, insn.operands[1], i, insn.operands[2], i * 4);
println("\tctx.v{}.u32[{}] = ctx.v{}.u32[{}] << (ctx.v{}.u8[{}] & 0x1F);", insn.operands[0], i, insn.operands[1], i, insn.operands[2], i * 4);
break;
case PPC_INST_VSPLTB:
@ -1619,14 +1619,14 @@ bool Recompiler::Recompile(const Function& fn, uint32_t base, const ppc_insn& in
case PPC_INST_VSRAW128:
// TODO: vectorize, ensure endianness is correct
for (size_t i = 0; i < 4; i++)
println("\tctx.v{}.s32[{}] = ctx.v{}.s32[{}] >> ctx.v{}.u8[{}];", insn.operands[0], i, insn.operands[1], i, insn.operands[2], i * 4);
println("\tctx.v{}.s32[{}] = ctx.v{}.s32[{}] >> (ctx.v{}.u8[{}] & 0x1F);", insn.operands[0], i, insn.operands[1], i, insn.operands[2], i * 4);
break;
case PPC_INST_VSRW:
case PPC_INST_VSRW128:
// TODO: vectorize, ensure endianness is correct
for (size_t i = 0; i < 4; i++)
println("\tctx.v{}.u32[{}] = ctx.v{}.u32[{}] >> ctx.v{}.u8[{}];", insn.operands[0], i, insn.operands[1], i, insn.operands[2], i * 4);
println("\tctx.v{}.u32[{}] = ctx.v{}.u32[{}] >> (ctx.v{}.u8[{}] & 0x1F);", insn.operands[0], i, insn.operands[1], i, insn.operands[2], i * 4);
break;
case PPC_INST_VSUBFP: