131d157ae1ac2cd9c787dc3c1d28e64c682803844Jia Liu//===-- PPCBaseInfo.h - Top level definitions for PPC -----------*- C++ -*-===// 2b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng// 3b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng// The LLVM Compiler Infrastructure 4b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng// 5b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng// This file is distributed under the University of Illinois Open Source 6b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng// License. See LICENSE.TXT for details. 7b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng// 8b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng//===----------------------------------------------------------------------===// 9b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng// 10b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng// This file contains small standalone helper functions and enum definitions for 11b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng// the PPC target useful for the compiler back-end and the MC libraries. 12b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng// As such, it deliberately does not include references to LLVM core 13b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng// code gen types, passes, etc.. 14b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng// 15b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng//===----------------------------------------------------------------------===// 16b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng 17b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng#ifndef PPCBASEINFO_H 18b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng#define PPCBASEINFO_H 19b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng 20b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng#include "PPCMCTargetDesc.h" 21b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng#include "llvm/Support/ErrorHandling.h" 22b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng 23b024572444d19a6e06624328ea6a75a2f3342eafEvan Chengnamespace llvm { 24b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng 2554134708f5debe1631f9ea9b232f78758a2151e4Evan Cheng/// getPPCRegisterNumbering - Given the enum value for some register, e.g. 26b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng/// PPC::F14, return the number that it corresponds to (e.g. 14). 27b024572444d19a6e06624328ea6a75a2f3342eafEvan Chenginline static unsigned getPPCRegisterNumbering(unsigned RegEnum) { 28b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng using namespace PPC; 29b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng switch (RegEnum) { 30b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case 0: return 0; 31b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R0 : case X0 : case F0 : case V0 : case CR0: case CR0LT: return 0; 32b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R1 : case X1 : case F1 : case V1 : case CR1: case CR0GT: return 1; 33b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R2 : case X2 : case F2 : case V2 : case CR2: case CR0EQ: return 2; 34b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R3 : case X3 : case F3 : case V3 : case CR3: case CR0UN: return 3; 35b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R4 : case X4 : case F4 : case V4 : case CR4: case CR1LT: return 4; 36b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R5 : case X5 : case F5 : case V5 : case CR5: case CR1GT: return 5; 37b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R6 : case X6 : case F6 : case V6 : case CR6: case CR1EQ: return 6; 38b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R7 : case X7 : case F7 : case V7 : case CR7: case CR1UN: return 7; 39b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R8 : case X8 : case F8 : case V8 : case CR2LT: return 8; 40b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R9 : case X9 : case F9 : case V9 : case CR2GT: return 9; 41b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R10: case X10: case F10: case V10: case CR2EQ: return 10; 42b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R11: case X11: case F11: case V11: case CR2UN: return 11; 43b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R12: case X12: case F12: case V12: case CR3LT: return 12; 44b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R13: case X13: case F13: case V13: case CR3GT: return 13; 45b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R14: case X14: case F14: case V14: case CR3EQ: return 14; 46b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R15: case X15: case F15: case V15: case CR3UN: return 15; 47b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R16: case X16: case F16: case V16: case CR4LT: return 16; 48b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R17: case X17: case F17: case V17: case CR4GT: return 17; 49b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R18: case X18: case F18: case V18: case CR4EQ: return 18; 50b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R19: case X19: case F19: case V19: case CR4UN: return 19; 51b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R20: case X20: case F20: case V20: case CR5LT: return 20; 52b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R21: case X21: case F21: case V21: case CR5GT: return 21; 53b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R22: case X22: case F22: case V22: case CR5EQ: return 22; 54b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R23: case X23: case F23: case V23: case CR5UN: return 23; 55b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R24: case X24: case F24: case V24: case CR6LT: return 24; 56b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R25: case X25: case F25: case V25: case CR6GT: return 25; 57b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R26: case X26: case F26: case V26: case CR6EQ: return 26; 58b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R27: case X27: case F27: case V27: case CR6UN: return 27; 59b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R28: case X28: case F28: case V28: case CR7LT: return 28; 60b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R29: case X29: case F29: case V29: case CR7GT: return 29; 61b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R30: case X30: case F30: case V30: case CR7EQ: return 30; 62b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng case R31: case X31: case F31: case V31: case CR7UN: return 31; 63b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng default: 64b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng llvm_unreachable("Unhandled reg in PPCRegisterInfo::getRegisterNumbering!"); 65b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng } 66b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng} 67b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng 68b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng} // end namespace llvm; 69b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng 70b024572444d19a6e06624328ea6a75a2f3342eafEvan Cheng#endif 71