x64dbg
/
zydis
mirror of https://github.com/x64dbg/zydis
1
0
Fork 0
Code Releases Activity

Minor bugfixes 

- Fixed operand-action for MVEX instructions with mask-register
- Fixed decoding of MVEX instructions without swizzle/broadcast/convert functionality
This commit is contained in:
flobernd 2017-06-29 19:44:01 +02:00
parent 65fe4a4e6c
commit 8ef597970d
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/Decoder.c
View File

@ -1933,7 +1933,8 @@ FinalizeOperand:
}
// Fix operand-action for EVEX instructions with merge-mask
if ((info->encoding == ZYDIS_INSTRUCTION_ENCODING_EVEX) &&
if (((info->encoding == ZYDIS_INSTRUCTION_ENCODING_EVEX) ||
(info->encoding == ZYDIS_INSTRUCTION_ENCODING_MVEX)) &&
(info->avx.maskMode == ZYDIS_MASK_MODE_MERGE) &&
(info->operandCount >= 3) &&
(info->operands[1].type == ZYDIS_OPERAND_TYPE_REGISTER) &&
@ -4084,7 +4085,7 @@ static ZydisStatus ZydisDecodeInstruction(ZydisDecoderContext* context, ZydisIns
static const uint8_t lookup[25][8] =
{
// ZYDIS_MVEX_FUNC_INVALID
{ 1, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 1, 1, 1, 1, 1, 1, 1 },
// ZYDIS_MVEX_FUNC_RC
{ 1, 1, 1, 1, 1, 1, 1, 1 },
// ZYDIS_MVEX_FUNC_SAE