6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-11-01 15:17:25 +00:00
Code Issues Projects Releases Wiki Activity

Fix #13035, a bug around Thumb instruction LDRD/STRD with negative #0 offset index issue.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161162 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jiangning Liu
2012-08-02 08:29:50 +00:00
parent c1b7ca5ba2
commit fd652df8b3
5 changed files with 52 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
lib/Target/ARM/Disassembler/ARMDisassembler.cpp
View File

@@ -3151,9 +3151,14 @@ static DecodeStatus DecodeT2LoadShift(MCInst &Inst, unsigned Insn,
static DecodeStatus DecodeT2Imm8S4(MCInst &Inst, unsigned Val,
uint64_t Address, const void *Decoder) {
int imm = Val & 0xFF;
if (!(Val & 0x100)) imm *= -1;
Inst.addOperand(MCOperand::CreateImm(imm << 2));
if (Val == 0)
Inst.addOperand(MCOperand::CreateImm(INT32_MIN));
else {
int imm = Val & 0xFF;
if (!(Val & 0x100)) imm *= -1;
Inst.addOperand(MCOperand::CreateImm(imm << 2));
}
return MCDisassembler::Success;
}