From 483c3e96b7e30d3bd788f32c5b421133e71ec476 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Sun, 1 Feb 2009 00:08:16 -0800 Subject: [PATCH] X86: Calculate flags based on the actual result. --- src/arch/x86/insts/microregop.cc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/arch/x86/insts/microregop.cc b/src/arch/x86/insts/microregop.cc index 080926627..2ea975746 100644 --- a/src/arch/x86/insts/microregop.cc +++ b/src/arch/x86/insts/microregop.cc @@ -67,6 +67,9 @@ namespace X86ISA bool subtract) const { DPRINTF(X86, "flagMask = %#x\n", flagMask); + if (_destRegIdx[0] & (1 << 6)) { + _dest >>= 8; + } uint64_t flags = oldFlags & ~flagMask; if(flagMask & (ECFBit | CFBit)) { -- 2.30.2