mirrors/dynarmic
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

emit_x64_crc32: Use same constants

Browse source
This commit is contained in:
MerryMage 2020-06-06 20:46:09 +01:00
parent 66a356e6cb
commit feddf69cb4
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/backend/x64/emit_x64_crc32.cpp
View file

@ -42,7 +42,7 @@ static void EmitCRC32ISO(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, co
const Xbyak::Xmm xmm_const = ctx.reg_alloc.ScratchXmm();
const Xbyak::Xmm xmm_tmp = ctx.reg_alloc.ScratchXmm();
code.movdqa(xmm_const, code.MConst(xword, 0x00000001'F7011641, 0x00000001'DB710641));
code.movdqa(xmm_const, code.MConst(xword, 0xb4e5b025'f7011641, 0x00000001'DB710641));
code.movzx(value.cvt32(), value.changeBit(data_size));
code.xor_(value.cvt32(), crc);
@ -72,7 +72,7 @@ static void EmitCRC32ISO(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, co
const Xbyak::Xmm xmm_value = ctx.reg_alloc.ScratchXmm();
const Xbyak::Xmm xmm_const = ctx.reg_alloc.ScratchXmm();
code.movdqa(xmm_const, code.MConst(xword, 0x00000001'F7011641, 0x00000001'DB710641));
code.movdqa(xmm_const, code.MConst(xword, 0xb4e5b025'f7011641, 0x00000001'DB710641));
code.xor_(crc, value);
code.shl(crc.cvt64(), 32);