From: Bill Wendling <isanbard@gmail.com>
Date: Fri, 13 Jan 2012 00:41:53 +0000 (+0000)
Subject: Fix off-by-one error.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b4ee5168abd0580a29f5c9becce26e3ea7bb2b8d;p=oota-llvm.git

Fix off-by-one error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148077 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86FrameLowering.cpp b/lib/Target/X86/X86FrameLowering.cpp
index 5dfc0bb85d8..b438672f88e 100644
--- a/lib/Target/X86/X86FrameLowering.cpp
+++ b/lib/Target/X86/X86FrameLowering.cpp
@@ -458,7 +458,7 @@ encodeCompactUnwindRegistersWithFrame(unsigned SavedRegs[CU_NUM_SAVED_REGS],
   // Encode the registers in the order they were saved, 3-bits per register. The
   // registers are numbered from 1 to CU_NUM_SAVED_REGS.
   uint32_t RegEnc = 0;
-  for (int I = CU_NUM_SAVED_REGS, Idx = 0; I != -1; --I) {
+  for (int I = CU_NUM_SAVED_REGS - 1, Idx = 0; I != -1; --I) {
     unsigned Reg = SavedRegs[I];
     if (Reg == 0) continue;