Line data    Source code

       1             : //===-- ARMBaseInfo.cpp - ARM Base encoding information------------===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : //
      10             : // This file provides basic encoding and assembly information for ARM.
      11             : //
      12             : //===----------------------------------------------------------------------===//
      13             : #include "ARMBaseInfo.h"
      14             : #include "llvm/ADT/ArrayRef.h"
      15             : #include "llvm/ADT/SmallVector.h"
      16             : 
      17             : using namespace llvm;
      18             : namespace llvm {
      19             : namespace ARMSysReg {
      20             : 
      21             : // lookup system register using 12-bit SYSm value.
      22             : // Note: the search is uniqued using M1 mask
      23         106 : const MClassSysReg *lookupMClassSysRegBy12bitSYSmValue(unsigned SYSm) {
      24         106 :   return lookupMClassSysRegByM1Encoding12(SYSm);
      25             : }
      26             : 
      27             : // returns APSR with _<bits> qualifier.
      28             : // Note: ARMv7-M deprecates using MSR APSR without a _<bits> qualifier
      29         112 : const MClassSysReg *lookupMClassSysRegAPSRNonDeprecated(unsigned SYSm) {
      30         112 :   return lookupMClassSysRegByM2M3Encoding8((1<<9)|(SYSm & 0xFF));
      31             : }
      32             : 
      33             : // lookup system registers using 8-bit SYSm value
      34         269 : const MClassSysReg *lookupMClassSysRegBy8bitSYSmValue(unsigned SYSm) {
      35         269 :   return ARMSysReg::lookupMClassSysRegByM2M3Encoding8((1<<8)|(SYSm & 0xFF));
      36             : }
      37             : 
      38             : #define GET_MCLASSSYSREG_IMPL
      39             : #include "ARMGenSystemRegister.inc"
      40             : 
      41             : } // end namespace ARMSysReg
      42             : 
      43             : namespace ARMBankedReg {
      44             : #define GET_BANKEDREG_IMPL
      45             : #include "ARMGenSystemRegister.inc"
      46             : } // end namespce ARMSysReg
      47             : } // end namespace llvm