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	add some more PPC intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26786 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			232 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			TableGen
		
	
	
	
	
	
			
		
		
	
	
			232 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			TableGen
		
	
	
	
	
	
| //===- Intrinsics.td - Defines all LLVM intrinsics ---------*- tablegen -*-===//
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| // 
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| //                     The LLVM Compiler Infrastructure
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| //
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| // This file was developed by Chris Lattner and is distributed under the
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| // University of Illinois Open Source License. See LICENSE.TXT for details.
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| // 
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| //===----------------------------------------------------------------------===//
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| //
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| // This file defines properties of all LLVM intrinsics.
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| //===----------------------------------------------------------------------===//
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| //  Properties we keep track of for intrinsics.
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| //===----------------------------------------------------------------------===//
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| 
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| class IntrinsicProperty;
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| 
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| // Intr*Mem - Memory properties.  An intrinsic is allowed to have exactly one of
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| // these properties set.  They are listed from the most aggressive (best to use
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| // if correct) to the least aggressive.  If no property is set, the worst case 
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| // is assumed (IntrWriteMem).
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| 
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| // InstrNoMem - The intrinsic does not access memory or have any other side
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| // effects.  It may be CSE'd deleted if dead, etc.
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| def InstrNoMem : IntrinsicProperty;
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| 
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| // InstrReadArgMem - This intrinsic reads only from memory that one of its
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| // arguments points to, but may read an unspecified amount.
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| def InstrReadArgMem : IntrinsicProperty;
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| 
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| // IntrReadMem - This intrinsic reads from unspecified memory, so it cannot be
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| // moved across stores.  However, it can be reordered otherwise and can be
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| // deleted if dead.
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| def IntrReadMem : IntrinsicProperty;
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| 
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| // InstrWriteArgMem - This intrinsic reads and writes only from memory that one
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| // of its arguments points to, but may access an unspecified amount.  It has no
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| // other side effects.  This may only be used if the intrinsic doesn't "capture"
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| // the argument pointer (e.g. storing it someplace).
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| def InstrWriteArgMem : IntrinsicProperty;
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| 
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| // IntrWriteMem - This intrinsic may read or modify unspecified memory or has 
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| // other side effects.  It cannot be modified by the optimizer.  This is the
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| // default if the intrinsic has no other Intr*Mem property.
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| def IntrWriteMem : IntrinsicProperty;
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| 
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| //===----------------------------------------------------------------------===//
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| // Types used by intrinsics.
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| //===----------------------------------------------------------------------===//
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| 
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| class LLVMType<string typeval> {
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|   string TypeVal = typeval;
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| }
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| 
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| class LLVMPackedType<int numelts, LLVMType elty> : LLVMType<"Type::PackedTyID">{
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|   int NumElts = numelts;
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|   LLVMType ElTy = elty;
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| } 
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| 
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| def llvm_void_ty       : LLVMType<"Type::VoidTyID">;
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| def llvm_bool_ty       : LLVMType<"Type::BoolTyID">;
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| def llvm_sbyte_ty      : LLVMType<"Type::SByteTyID">;
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| def llvm_short_ty      : LLVMType<"Type::ShortTyID">;
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| def llvm_int_ty        : LLVMType<"Type::IntTyID">;
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| def llvm_long_ty       : LLVMType<"Type::LongTyID">;
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| def llvm_ubyte_ty      : LLVMType<"Type::UByteTyID">;
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| def llvm_ushort_ty     : LLVMType<"Type::UShortTyID">;
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| def llvm_uint_ty       : LLVMType<"Type::UIntTyID">;
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| def llvm_ulong_ty      : LLVMType<"Type::ULongTyID">;
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| def llvm_float_ty      : LLVMType<"Type::FloatTyID">;
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| def llvm_double_ty     : LLVMType<"Type::DoubleTyID">;
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| def llvm_ptr_ty        : LLVMType<"Type::PointerTyID">;     // sbyte*
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| def llvm_ptrptr_ty     : LLVMType<"Type::PointerTyID">;     // sbyte**
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| def llvm_descriptor_ty : LLVMType<"Type::PointerTyID">;     // global*
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| 
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| def llvm_v4i32_ty      : LLVMPackedType<4, llvm_int_ty>;    // 4 x int
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| def llvm_v4f32_ty      : LLVMPackedType<4, llvm_float_ty>;  // 4 x float
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| def llvm_v2f64_ty      : LLVMPackedType<4, llvm_double_ty>; // 2 x double
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| 
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| //===----------------------------------------------------------------------===//
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| // Intrinsic Definitions.
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| //===----------------------------------------------------------------------===//
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| 
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| // Intrinsic class - This is used to define one LLVM intrinsic.  The name of the
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| // intrinsic definition should start with "int_", then match the LLVM intrinsic
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| // name with the "llvm." prefix removed, and all "."s turned into "_"s.  For
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| // example, llvm.bswap.i16 -> int_bswap_i16.
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| //
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| //  * Types is a list containing the return type and the argument types
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| //    expected for the intrinsic.
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| //  * Properties can be set to describe the behavior of the intrinsic.
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| //
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| class Intrinsic<list<LLVMType> types,
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|                 list<IntrinsicProperty> properties = [],
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|                 string name = ""> {
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|   string LLVMName = name;
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|   string TargetPrefix = "";   // Set to a prefix for target-specific intrinsics.
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|   list<LLVMType> Types = types;
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|   list<IntrinsicProperty> Properties = properties;
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| }
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| 
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| /// GCCBuiltin - If this intrinsic exactly corresponds to a GCC builtin, this
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| /// specifies the name of the builtin.  This provides automatic CBE and CFE
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| /// support.
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| class GCCBuiltin<string name> {
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|   string GCCBuiltinName = name;
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| }
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| 
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| 
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| //===--------------- Variable Argument Handling Intrinsics ----------------===//
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| //  
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| 
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| def int_vastart : Intrinsic<[llvm_void_ty, llvm_ptrptr_ty], [], "llvm.va_start">;
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| def int_vacopy  : Intrinsic<[llvm_void_ty, llvm_ptrptr_ty, llvm_ptrptr_ty], [],
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|                             "llvm.va_copy">;
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| def int_vaend   : Intrinsic<[llvm_void_ty, llvm_ptrptr_ty], [], "llvm.va_end">;
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| 
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| //===------------------- Garbage Collection Intrinsics --------------------===//
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| //  
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| def int_gcroot  : Intrinsic<[llvm_void_ty, llvm_ptrptr_ty, llvm_ptr_ty]>;
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| def int_gcread  : Intrinsic<[llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty],
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|                             [InstrReadArgMem]>;
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| def int_gcwrite : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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|                              llvm_ptrptr_ty], [InstrWriteArgMem]>;
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| 
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| //===--------------------- Code Generator Intrinsics ----------------------===//
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| //  
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| def int_returnaddress : Intrinsic<[llvm_ptr_ty, llvm_uint_ty], [InstrNoMem]>;
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| def int_frameaddress  : Intrinsic<[llvm_ptr_ty, llvm_uint_ty], [InstrNoMem]>;
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| def int_stacksave     : Intrinsic<[llvm_ptr_ty], [IntrReadMem]>;
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| def int_stackrestore  : Intrinsic<[llvm_void_ty, llvm_ptr_ty]>;
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| def int_prefetch      : Intrinsic<[llvm_void_ty, llvm_ptr_ty, 
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|                                    llvm_uint_ty, llvm_uint_ty]>;
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| def int_pcmarker      : Intrinsic<[llvm_void_ty, llvm_uint_ty]>;
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| 
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| def int_readcyclecounter : Intrinsic<[llvm_ulong_ty]>;
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| 
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| //===------------------- Standard C Library Intrinsics --------------------===//
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| //
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| 
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| let Properties = [InstrWriteArgMem] in {
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|   def int_memcpy_i32  : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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|                                    llvm_uint_ty, llvm_uint_ty]>;
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|   def int_memcpy_i64  : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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|                                    llvm_ulong_ty, llvm_uint_ty]>;
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|   def int_memmove_i32 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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|                                    llvm_uint_ty, llvm_uint_ty]>;
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|   def int_memmove_i64 : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ptr_ty,
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|                                    llvm_ulong_ty, llvm_uint_ty]>;
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|   def int_memset_i32  : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ubyte_ty,
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|                                    llvm_uint_ty, llvm_uint_ty]>;
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|   def int_memset_i64  : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_ubyte_ty,
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|                                    llvm_ulong_ty, llvm_uint_ty]>;
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| }
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| 
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| let Properties = [InstrNoMem] in {
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|   def int_isunordered_f32 : Intrinsic<[llvm_bool_ty, 
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|                                        llvm_float_ty,  llvm_float_ty]>;
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|   def int_isunordered_f64 : Intrinsic<[llvm_bool_ty, 
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|                                        llvm_double_ty, llvm_double_ty]>;
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|   def int_sqrt_f32 : Intrinsic<[llvm_float_ty , llvm_float_ty]>;
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|   def int_sqrt_f64 : Intrinsic<[llvm_double_ty, llvm_double_ty]>;
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| }
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| 
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| // NOTE: these are internal interfaces.
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| def int_setjmp     : Intrinsic<[llvm_int_ty , llvm_ptr_ty]>;
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| def int_longjmp    : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_int_ty]>;
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| def int_sigsetjmp  : Intrinsic<[llvm_int_ty , llvm_ptr_ty]>;
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| def int_siglongjmp : Intrinsic<[llvm_void_ty, llvm_ptr_ty, llvm_int_ty]>;
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| 
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| //===-------------------- Bit Manipulation Intrinsics ---------------------===//
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| //
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| 
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| // None of these intrinsics accesses memory at all.
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| let Properties = [InstrNoMem] in {
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|   def int_bswap_i16 : Intrinsic<[llvm_ushort_ty, llvm_ushort_ty]>;
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|   def int_bswap_i32 : Intrinsic<[llvm_uint_ty,   llvm_uint_ty]>;
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|   def int_bswap_i64 : Intrinsic<[llvm_ulong_ty,  llvm_ulong_ty]>;
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| 
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|   def int_ctpop_i8  : Intrinsic<[llvm_ubyte_ty,  llvm_ubyte_ty]>;
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|   def int_ctpop_i16 : Intrinsic<[llvm_ushort_ty, llvm_ushort_ty]>;
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|   def int_ctpop_i32 : Intrinsic<[llvm_uint_ty,   llvm_uint_ty]>;
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|   def int_ctpop_i64 : Intrinsic<[llvm_ulong_ty,  llvm_ulong_ty]>;
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|   
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|   def int_ctlz_i8  : Intrinsic<[llvm_ubyte_ty,  llvm_ubyte_ty]>;
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|   def int_ctlz_i16 : Intrinsic<[llvm_ushort_ty, llvm_ushort_ty]>;
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|   def int_ctlz_i32 : Intrinsic<[llvm_uint_ty,   llvm_uint_ty]>;
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|   def int_ctlz_i64 : Intrinsic<[llvm_ulong_ty,  llvm_ulong_ty]>;
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| 
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|   def int_cttz_i8  : Intrinsic<[llvm_ubyte_ty,  llvm_ubyte_ty]>;
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|   def int_cttz_i16 : Intrinsic<[llvm_ushort_ty, llvm_ushort_ty]>;
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|   def int_cttz_i32 : Intrinsic<[llvm_uint_ty,   llvm_uint_ty]>;
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|   def int_cttz_i64 : Intrinsic<[llvm_ulong_ty,  llvm_ulong_ty]>;
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| } 
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| 
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| //===------------------------ Debugger Intrinsics -------------------------===//
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| //
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| 
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| def int_dbg_stoppoint    : Intrinsic<[llvm_void_ty,
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|                                       llvm_uint_ty, llvm_uint_ty, 
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|                                       llvm_descriptor_ty]>;
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| def int_dbg_region_start : Intrinsic<[llvm_void_ty]>;
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| def int_dbg_region_end   : Intrinsic<[llvm_void_ty]>;
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| def int_dbg_func_start   : Intrinsic<[llvm_void_ty, llvm_descriptor_ty]>;
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| 
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| 
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| //===----------------------------------------------------------------------===//
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| // Target-specific intrinsics
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| //===----------------------------------------------------------------------===//
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| 
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| //===----------------------------------------------------------------------===//
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| // PowerPC Intrinsics
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| //
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| let TargetPrefix = "ppc" in {  // All intrinsics start with "llvm.ppc.".
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|   def int_ppc_altivec_lvx : GCCBuiltin<"__builtin_altivec_lvx">,
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|               Intrinsic<[llvm_v4i32_ty, llvm_int_ty, llvm_ptr_ty],
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|                         [IntrReadMem]>;
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|   def int_ppc_altivec_stvx : GCCBuiltin<"__builtin_altivec_stvx">,
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|               Intrinsic<[llvm_void_ty, llvm_v4i32_ty, llvm_int_ty, llvm_ptr_ty],
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|                         [IntrWriteMem]>;
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|                             
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|   def int_ppc_altivec_vmaddfp : GCCBuiltin<"__builtin_altivec_vmaddfp">,
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|               Intrinsic<[llvm_v4f32_ty, llvm_v4f32_ty,
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|                          llvm_v4f32_ty, llvm_v4f32_ty], [InstrNoMem]>;
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|   def int_ppc_altivec_vadduwm : GCCBuiltin<"__builtin_altivec_vadduwm">,
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|               Intrinsic<[llvm_v4i32_ty, llvm_v4i32_ty, llvm_v4i32_ty],
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|                         [InstrNoMem]>;
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|   
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| }
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