From: Jim Grosbach Date: Wed, 15 Sep 2010 19:26:06 +0000 (+0000) Subject: Factor out basic enums and hleper functions from ARM.h for cleaner sharing X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=754578b56518d57c28cd439a6dab2b75865e6746;p=oota-llvm.git Factor out basic enums and hleper functions from ARM.h for cleaner sharing between the compiler back end and the MC libraries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114007 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/lib/Target/ARM/ARM.h b/lib/Target/ARM/ARM.h index 451247b71e9..9ff6ea037aa 100644 --- a/lib/Target/ARM/ARM.h +++ b/lib/Target/ARM/ARM.h @@ -15,6 +15,7 @@ #ifndef TARGET_ARM_H #define TARGET_ARM_H +#include "ARMBaseInfo.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Target/TargetMachine.h" #include @@ -26,97 +27,6 @@ class FunctionPass; class JITCodeEmitter; class formatted_raw_ostream; -// Enums corresponding to ARM condition codes -namespace ARMCC { - // The CondCodes constants map directly to the 4-bit encoding of the - // condition field for predicated instructions. - enum CondCodes { // Meaning (integer) Meaning (floating-point) - EQ, // Equal Equal - NE, // Not equal Not equal, or unordered - HS, // Carry set >, ==, or unordered - LO, // Carry clear Less than - MI, // Minus, negative Less than - PL, // Plus, positive or zero >, ==, or unordered - VS, // Overflow Unordered - VC, // No overflow Not unordered - HI, // Unsigned higher Greater than, or unordered - LS, // Unsigned lower or same Less than or equal - GE, // Greater than or equal Greater than or equal - LT, // Less than Less than, or unordered - GT, // Greater than Greater than - LE, // Less than or equal <, ==, or unordered - AL // Always (unconditional) Always (unconditional) - }; - - inline static CondCodes getOppositeCondition(CondCodes CC) { - switch (CC) { - default: llvm_unreachable("Unknown condition code"); - case EQ: return NE; - case NE: return EQ; - case HS: return LO; - case LO: return HS; - case MI: return PL; - case PL: return MI; - case VS: return VC; - case VC: return VS; - case HI: return LS; - case LS: return HI; - case GE: return LT; - case LT: return GE; - case GT: return LE; - case LE: return GT; - } - } -} // namespace ARMCC - -inline static const char *ARMCondCodeToString(ARMCC::CondCodes CC) { - switch (CC) { - default: llvm_unreachable("Unknown condition code"); - case ARMCC::EQ: return "eq"; - case ARMCC::NE: return "ne"; - case ARMCC::HS: return "hs"; - case ARMCC::LO: return "lo"; - case ARMCC::MI: return "mi"; - case ARMCC::PL: return "pl"; - case ARMCC::VS: return "vs"; - case ARMCC::VC: return "vc"; - case ARMCC::HI: return "hi"; - case ARMCC::LS: return "ls"; - case ARMCC::GE: return "ge"; - case ARMCC::LT: return "lt"; - case ARMCC::GT: return "gt"; - case ARMCC::LE: return "le"; - case ARMCC::AL: return "al"; - } -} - -namespace ARM_MB { - // The Memory Barrier Option constants map directly to the 4-bit encoding of - // the option field for memory barrier operations. - enum MemBOpt { - ST = 14, - ISH = 11, - ISHST = 10, - NSH = 7, - NSHST = 6, - OSH = 3, - OSHST = 2 - }; - - inline static const char *MemBOptToString(unsigned val) { - switch (val) { - default: llvm_unreachable("Unknown memory opetion"); - case ST: return "st"; - case ISH: return "ish"; - case ISHST: return "ishst"; - case NSH: return "nsh"; - case NSHST: return "nshst"; - case OSH: return "osh"; - case OSHST: return "oshst"; - } - } -} // namespace ARM_MB - FunctionPass *createARMISelDag(ARMBaseTargetMachine &TM, CodeGenOpt::Level OptLevel); @@ -135,14 +45,4 @@ extern Target TheARMTarget, TheThumbTarget; } // end namespace llvm; -// Defines symbolic names for ARM registers. This defines a mapping from -// register name to register number. -// -#include "ARMGenRegisterNames.inc" - -// Defines symbolic names for the ARM instructions. -// -#include "ARMGenInstrNames.inc" - - #endif diff --git a/lib/Target/ARM/ARMBaseInfo.h b/lib/Target/ARM/ARMBaseInfo.h new file mode 100644 index 00000000000..5bda3feeadf --- /dev/null +++ b/lib/Target/ARM/ARMBaseInfo.h @@ -0,0 +1,128 @@ +//===-- ARMBaseInfo.h - Top level definitions for ARM -------- --*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains small standalone helper functions and enum definitions for +// the ARM target useful for the compiler back-end and the MC libraries. +// As such, it deliberately does not include references to LLVM core +// code gen types, passes, etc.. +// +//===----------------------------------------------------------------------===// + +#ifndef ARMBASEINFO_H +#define ARMBASEINFO_H + +#include "llvm/Support/ErrorHandling.h" + +namespace llvm { + +// Enums corresponding to ARM condition codes +namespace ARMCC { + // The CondCodes constants map directly to the 4-bit encoding of the + // condition field for predicated instructions. + enum CondCodes { // Meaning (integer) Meaning (floating-point) + EQ, // Equal Equal + NE, // Not equal Not equal, or unordered + HS, // Carry set >, ==, or unordered + LO, // Carry clear Less than + MI, // Minus, negative Less than + PL, // Plus, positive or zero >, ==, or unordered + VS, // Overflow Unordered + VC, // No overflow Not unordered + HI, // Unsigned higher Greater than, or unordered + LS, // Unsigned lower or same Less than or equal + GE, // Greater than or equal Greater than or equal + LT, // Less than Less than, or unordered + GT, // Greater than Greater than + LE, // Less than or equal <, ==, or unordered + AL // Always (unconditional) Always (unconditional) + }; + + inline static CondCodes getOppositeCondition(CondCodes CC) { + switch (CC) { + default: llvm_unreachable("Unknown condition code"); + case EQ: return NE; + case NE: return EQ; + case HS: return LO; + case LO: return HS; + case MI: return PL; + case PL: return MI; + case VS: return VC; + case VC: return VS; + case HI: return LS; + case LS: return HI; + case GE: return LT; + case LT: return GE; + case GT: return LE; + case LE: return GT; + } + } +} // namespace ARMCC + +inline static const char *ARMCondCodeToString(ARMCC::CondCodes CC) { + switch (CC) { + default: llvm_unreachable("Unknown condition code"); + case ARMCC::EQ: return "eq"; + case ARMCC::NE: return "ne"; + case ARMCC::HS: return "hs"; + case ARMCC::LO: return "lo"; + case ARMCC::MI: return "mi"; + case ARMCC::PL: return "pl"; + case ARMCC::VS: return "vs"; + case ARMCC::VC: return "vc"; + case ARMCC::HI: return "hi"; + case ARMCC::LS: return "ls"; + case ARMCC::GE: return "ge"; + case ARMCC::LT: return "lt"; + case ARMCC::GT: return "gt"; + case ARMCC::LE: return "le"; + case ARMCC::AL: return "al"; + } +} + +namespace ARM_MB { + // The Memory Barrier Option constants map directly to the 4-bit encoding of + // the option field for memory barrier operations. + enum MemBOpt { + ST = 14, + ISH = 11, + ISHST = 10, + NSH = 7, + NSHST = 6, + OSH = 3, + OSHST = 2 + }; + + inline static const char *MemBOptToString(unsigned val) { + switch (val) { + default: llvm_unreachable("Unknown memory opetion"); + case ST: return "st"; + case ISH: return "ish"; + case ISHST: return "ishst"; + case NSH: return "nsh"; + case NSHST: return "nshst"; + case OSH: return "osh"; + case OSHST: return "oshst"; + } + } +} // namespace ARM_MB +} // end namespace llvm; + +// Note that the following auto-generated files only defined enum types, and +// so are safe to include here. + +// Defines symbolic names for ARM registers. This defines a mapping from +// register name to register number. +// +#include "ARMGenRegisterNames.inc" + +// Defines symbolic names for the ARM instructions. +// +#include "ARMGenInstrNames.inc" + +#endif