diff options
Diffstat (limited to 'src/arch/x86/registers.hh')
| -rw-r--r-- | src/arch/x86/registers.hh | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/src/arch/x86/registers.hh b/src/arch/x86/registers.hh index 20385a960..e811ed2d3 100644 --- a/src/arch/x86/registers.hh +++ b/src/arch/x86/registers.hh @@ -1,5 +1,6 @@ /* * Copyright (c) 2007 The Hewlett-Packard Development Company + * Copyright (c) 2013 Advanced Micro Devices, Inc. * All rights reserved. * * The license below extends only to copyright in the software and shall @@ -50,7 +51,6 @@ namespace X86ISA using X86ISAInst::MaxInstSrcRegs; using X86ISAInst::MaxInstDestRegs; using X86ISAInst::MaxMiscDestRegs; -const int NumMiscArchRegs = NUM_MISCREGS; const int NumMiscRegs = NUM_MISCREGS; const int NumIntArchRegs = NUM_INTREGS; @@ -58,26 +58,18 @@ const int NumIntRegs = NumIntArchRegs + NumMicroIntRegs + NumPseudoIntRegs + NumImplicitIntRegs; -//Each 128 bit xmm register is broken into two effective 64 bit registers. +// Each 128 bit xmm register is broken into two effective 64 bit registers. +// Add 8 for the indices that are mapped over the fp stack const int NumFloatRegs = - NumMMXRegs + 2 * NumXMMRegs + NumMicroFpRegs; -const int NumFloatArchRegs = NumFloatRegs + 8; + NumMMXRegs + 2 * NumXMMRegs + NumMicroFpRegs + 8; // These enumerate all the registers for dependence tracking. enum DependenceTags { - //There are 16 microcode registers at the moment. This is an - //unusually large constant to make sure there isn't overflow. + // FP_Base_DepTag must be large enough to be bigger than any integer + // register index which has the IntFoldBit (1 << 6) set. To be safe + // we just start at (1 << 7) == 128. FP_Base_DepTag = 128, - Ctrl_Base_DepTag = - FP_Base_DepTag + - //mmx/x87 registers - 8 + - //xmm registers - 16 * 2 + - //The microcode fp registers - 8 + - //The indices that are mapped over the fp stack - 8, + Ctrl_Base_DepTag = FP_Base_DepTag + NumFloatRegs, Max_DepTag = Ctrl_Base_DepTag + NumMiscRegs }; |