T0b1/fadec
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

decode: Change REP flag values

Browse Source 
The new values allow for a more optimizable computation of the required
flags from the decoded prefix.
This commit is contained in:
Alexis Engelke
2023-03-24 14:00:14 +01:00
parent 538708cd21
commit 0a36604c81
2 changed files with 3 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
decode.c
View File

@@ -349,10 +349,7 @@ direct:
instr->type = desc->type;
instr->addrsz = addr_size;
instr->flags = prefix_rep == 0xf3 ? FD_FLAG_REP :
prefix_rep == 0xf2 ? FD_FLAG_REPNZ : 0;
if (mode == DECODE_64)
instr->flags |= FD_FLAG_64;
instr->flags = ((prefix_rep + 1) & 6) + (mode == DECODE_64 ? FD_FLAG_64 : 0);
instr->address = address;
for (unsigned i = 0; i < sizeof(instr->operands) / sizeof(FdOp); i++)