diff options
Diffstat (limited to 'llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp index 05ec2ef5eb0..d3919d5b695 100644 --- a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp +++ b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp @@ -1758,7 +1758,14 @@ static int readOperands(struct InternalInstruction* insn) { // VSIB can use the V2 bit so check only the other bits. if (needVVVV) needVVVV = hasVVVV & ((insn->vvvv & 0xf) != 0); - // fallthrough + if (readModRM(insn)) + return -1; + if (fixupReg(insn, &Op)) + return -1; + // Apply the AVX512 compressed displacement scaling factor. + if (Op.encoding != ENCODING_REG && insn->eaDisplacement == EA_DISP_8) + insn->displacement *= 1 << (Op.encoding - ENCODING_VSIB); + break; case ENCODING_REG: CASE_ENCODING_RM: if (readModRM(insn)) |
