diff options
Diffstat (limited to 'src/ARMeilleure/Instructions/InstEmitAlu32.cs')
| -rw-r--r-- | src/ARMeilleure/Instructions/InstEmitAlu32.cs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/ARMeilleure/Instructions/InstEmitAlu32.cs b/src/ARMeilleure/Instructions/InstEmitAlu32.cs index 3a5e71bc..028ffbeb 100644 --- a/src/ARMeilleure/Instructions/InstEmitAlu32.cs +++ b/src/ARMeilleure/Instructions/InstEmitAlu32.cs @@ -19,6 +19,12 @@ namespace ARMeilleure.Instructions Operand n = GetAluN(context); Operand m = GetAluM(context, setCarry: false); + if (op.Rn == RegisterAlias.Aarch32Pc && op is OpCodeT32AluImm12) + { + // For ADR, PC is always 4 bytes aligned, even in Thumb mode. + n = context.BitwiseAnd(n, Const(~3u)); + } + Operand res = context.Add(n, m); if (ShouldSetFlags(context)) @@ -467,6 +473,12 @@ namespace ARMeilleure.Instructions Operand n = GetAluN(context); Operand m = GetAluM(context, setCarry: false); + if (op.Rn == RegisterAlias.Aarch32Pc && op is OpCodeT32AluImm12) + { + // For ADR, PC is always 4 bytes aligned, even in Thumb mode. + n = context.BitwiseAnd(n, Const(~3u)); + } + Operand res = context.Subtract(n, m); if (ShouldSetFlags(context)) |