thirdpartymirrors/XenonRecomp
1
0
Fork 0
mirror of https://github.com/hedge-dev/XenonRecomp.git synced 2025-10-30 07:11:38 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Use __builtin_clz instead of __lzcnt32 for cntlzw instruction.

Browse source
This commit is contained in:
Skyth 2025-01-23 14:35:46 +03:00
parent 3280a7cf9f
commit 73b75e197a
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
XenonRecomp/recompiler.cpp
View file

@ -688,11 +688,11 @@ bool Recompiler::Recompile(
break; break;
case PPC_INST_CNTLZD: case PPC_INST_CNTLZD:
println("\t{}.u64 = __lzcnt64({}.u64);", r(insn.operands[0]), r(insn.operands[1])); println("\t{0}.u64 = {1}.u64 == 0 ? 64 : __builtin_clzll({1}.u64);", r(insn.operands[0]), r(insn.operands[1]));
break; break;
case PPC_INST_CNTLZW: case PPC_INST_CNTLZW:
println("\t{}.u64 = __lzcnt32({}.u32);", r(insn.operands[0]), r(insn.operands[1])); println("\t{0}.u64 = {1}.u32 == 0 ? 32 : __builtin_clz({1}.u32);", r(insn.operands[0]), r(insn.operands[1]));
break; break;
case PPC_INST_DB16CYC: case PPC_INST_DB16CYC: