From e1168e72ca8ae370a1989220a202347980c6a4d2 Mon Sep 17 00:00:00 2001 From: Min Kyu Jeong Date: Wed, 25 Aug 2010 19:10:43 -0500 Subject: ARM: Fixed register flattening logic (FP_Base_DepTag was set too low) When decoding a srs instruction, invalid mode encoding returns invalid instruction. This can happen when garbage instructions are fetched from mispredicted path --- src/arch/x86/registers.hh | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/arch/x86/registers.hh') diff --git a/src/arch/x86/registers.hh b/src/arch/x86/registers.hh index e14b9a1ba..ea737fa63 100644 --- a/src/arch/x86/registers.hh +++ b/src/arch/x86/registers.hh @@ -76,7 +76,8 @@ enum DependenceTags { //The microcode fp registers 8 + //The indices that are mapped over the fp stack - 8 + 8, + Max_DepTag = Ctrl_Base_DepTag + NumMiscRegs }; // semantically meaningful register indices -- cgit v1.2.3