diff options
| author | Peter LaFosse <peter@vector35.com> | 2026-03-13 16:30:02 -0400 |
|---|---|---|
| committer | Peter LaFosse <peter@vector35.com> | 2026-03-27 10:02:29 -0400 |
| commit | f860e52fe85837ba9e1a9df578b54ab12a983089 (patch) | |
| tree | 459d6819f34ff6e380a64f6a23327fb3d60ba88e /arch/x86/arch_x86.cpp | |
| parent | 339ce9d5b3a1b6e116c7cd43349a3d935959ee35 (diff) | |
Ensure rounding flag is properly emitted on some x86 floating point instructions
Diffstat (limited to 'arch/x86/arch_x86.cpp')
| -rw-r--r-- | arch/x86/arch_x86.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/arch_x86.cpp b/arch/x86/arch_x86.cpp index af3f4901..aeeed4e7 100644 --- a/arch/x86/arch_x86.cpp +++ b/arch/x86/arch_x86.cpp @@ -2124,7 +2124,7 @@ size_t X86CommonArchitecture::GetFlagWriteLowLevelIL(BNLowLevelILOperation op, s case IL_FLAG_O: return il.Const(0, 0); case IL_FLAG_A: - return il.Undefined(); + return il.Unimplemented(); } break; case LLIL_MULU_DP: @@ -2152,6 +2152,10 @@ size_t X86CommonArchitecture::GetFlagWriteLowLevelIL(BNLowLevelILOperation op, s break; } } + + if (flagWriteType == IL_FLAGWRITE_X87RND && flag == IL_FLAG_C1) + return il.Unimplemented(); + if (((flagWriteType == IL_FLAGWRITE_X87COM) || (flagWriteType == IL_FLAGWRITE_X87C1Z)) && (flag == IL_FLAG_C1)) return il.Const(0, 0); return Architecture::GetFlagWriteLowLevelIL(op, size, flagWriteType, flag, operands, operandCount, il); |