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	Previously we asserted on this code. Currently compiler-rt doesn't actually implement any of these new libcalls, but external help is pretty much the only viable option for LLVM. I've followed the much more generic "__truncST2" naming, as opposed to the odd name for f32 -> f16 truncation. This can obviously be changed later, or overridden by any targets that need to. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213252 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			422 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			422 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//===-- CodeGen/RuntimeLibcalls.h - Runtime Library Calls -------*- C++ -*-===//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// 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 the enum representing the list of runtime library calls
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// the backend may emit during code generation, and also some helper functions.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_RUNTIMELIBCALLS_H
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#define LLVM_CODEGEN_RUNTIMELIBCALLS_H
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#include "llvm/CodeGen/ValueTypes.h"
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namespace llvm {
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namespace RTLIB {
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  /// RTLIB::Libcall enum - This enum defines all of the runtime library calls
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  /// the backend can emit.  The various long double types cannot be merged,
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  /// because 80-bit library functions use "xf" and 128-bit use "tf".
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  ///
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  /// When adding PPCF128 functions here, note that their names generally need
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  /// to be overridden for Darwin with the xxx$LDBL128 form.  See
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  /// PPCISelLowering.cpp.
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  ///
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  enum Libcall {
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    // Integer
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    SHL_I16,
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    SHL_I32,
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    SHL_I64,
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    SHL_I128,
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    SRL_I16,
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    SRL_I32,
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    SRL_I64,
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    SRL_I128,
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    SRA_I16,
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    SRA_I32,
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    SRA_I64,
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    SRA_I128,
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    MUL_I8,
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    MUL_I16,
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    MUL_I32,
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    MUL_I64,
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    MUL_I128,
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    MULO_I32,
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    MULO_I64,
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    MULO_I128,
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    SDIV_I8,
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    SDIV_I16,
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    SDIV_I32,
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    SDIV_I64,
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    SDIV_I128,
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    UDIV_I8,
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    UDIV_I16,
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    UDIV_I32,
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    UDIV_I64,
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    UDIV_I128,
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    SREM_I8,
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    SREM_I16,
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    SREM_I32,
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    SREM_I64,
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    SREM_I128,
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    UREM_I8,
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    UREM_I16,
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    UREM_I32,
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    UREM_I64,
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    UREM_I128,
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    SDIVREM_I8,
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    SDIVREM_I16,
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    SDIVREM_I32,
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    SDIVREM_I64,
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    SDIVREM_I128,
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    UDIVREM_I8,
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    UDIVREM_I16,
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    UDIVREM_I32,
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    UDIVREM_I64,
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    UDIVREM_I128,
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    NEG_I32,
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    NEG_I64,
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    // FLOATING POINT
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    ADD_F32,
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    ADD_F64,
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    ADD_F80,
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    ADD_F128,
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    ADD_PPCF128,
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    SUB_F32,
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    SUB_F64,
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    SUB_F80,
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    SUB_F128,
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    SUB_PPCF128,
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    MUL_F32,
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    MUL_F64,
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    MUL_F80,
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    MUL_F128,
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    MUL_PPCF128,
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    DIV_F32,
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    DIV_F64,
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    DIV_F80,
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    DIV_F128,
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    DIV_PPCF128,
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    REM_F32,
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    REM_F64,
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    REM_F80,
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    REM_F128,
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    REM_PPCF128,
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    FMA_F32,
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    FMA_F64,
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    FMA_F80,
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    FMA_F128,
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    FMA_PPCF128,
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    POWI_F32,
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    POWI_F64,
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    POWI_F80,
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    POWI_F128,
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    POWI_PPCF128,
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    SQRT_F32,
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    SQRT_F64,
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    SQRT_F80,
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    SQRT_F128,
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    SQRT_PPCF128,
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    LOG_F32,
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    LOG_F64,
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    LOG_F80,
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    LOG_F128,
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    LOG_PPCF128,
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    LOG2_F32,
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    LOG2_F64,
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    LOG2_F80,
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    LOG2_F128,
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    LOG2_PPCF128,
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    LOG10_F32,
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    LOG10_F64,
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    LOG10_F80,
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    LOG10_F128,
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    LOG10_PPCF128,
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    EXP_F32,
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    EXP_F64,
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    EXP_F80,
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    EXP_F128,
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    EXP_PPCF128,
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    EXP2_F32,
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    EXP2_F64,
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    EXP2_F80,
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    EXP2_F128,
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    EXP2_PPCF128,
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    SIN_F32,
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    SIN_F64,
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    SIN_F80,
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    SIN_F128,
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    SIN_PPCF128,
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    COS_F32,
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    COS_F64,
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    COS_F80,
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    COS_F128,
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    COS_PPCF128,
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    SINCOS_F32,
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    SINCOS_F64,
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    SINCOS_F80,
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    SINCOS_F128,
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    SINCOS_PPCF128,
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    POW_F32,
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    POW_F64,
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    POW_F80,
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    POW_F128,
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    POW_PPCF128,
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    CEIL_F32,
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    CEIL_F64,
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    CEIL_F80,
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    CEIL_F128,
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    CEIL_PPCF128,
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    TRUNC_F32,
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    TRUNC_F64,
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    TRUNC_F80,
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    TRUNC_F128,
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    TRUNC_PPCF128,
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    RINT_F32,
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    RINT_F64,
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    RINT_F80,
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    RINT_F128,
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    RINT_PPCF128,
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    NEARBYINT_F32,
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    NEARBYINT_F64,
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    NEARBYINT_F80,
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    NEARBYINT_F128,
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    NEARBYINT_PPCF128,
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    ROUND_F32,
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    ROUND_F64,
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    ROUND_F80,
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    ROUND_F128,
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    ROUND_PPCF128,
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    FLOOR_F32,
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    FLOOR_F64,
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    FLOOR_F80,
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    FLOOR_F128,
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    FLOOR_PPCF128,
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    COPYSIGN_F32,
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    COPYSIGN_F64,
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    COPYSIGN_F80,
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    COPYSIGN_F128,
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    COPYSIGN_PPCF128,
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    // CONVERSION
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    FPEXT_F64_F128,
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    FPEXT_F32_F128,
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    FPEXT_F32_F64,
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    FPEXT_F16_F32,
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    FPROUND_F32_F16,
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    FPROUND_F64_F16,
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    FPROUND_F80_F16,
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    FPROUND_F128_F16,
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    FPROUND_PPCF128_F16,
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    FPROUND_F64_F32,
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    FPROUND_F80_F32,
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    FPROUND_F128_F32,
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    FPROUND_PPCF128_F32,
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    FPROUND_F80_F64,
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    FPROUND_F128_F64,
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    FPROUND_PPCF128_F64,
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    FPTOSINT_F32_I8,
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    FPTOSINT_F32_I16,
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    FPTOSINT_F32_I32,
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    FPTOSINT_F32_I64,
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    FPTOSINT_F32_I128,
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    FPTOSINT_F64_I8,
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    FPTOSINT_F64_I16,
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    FPTOSINT_F64_I32,
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    FPTOSINT_F64_I64,
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    FPTOSINT_F64_I128,
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    FPTOSINT_F80_I32,
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    FPTOSINT_F80_I64,
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    FPTOSINT_F80_I128,
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    FPTOSINT_F128_I32,
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    FPTOSINT_F128_I64,
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    FPTOSINT_F128_I128,
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    FPTOSINT_PPCF128_I32,
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    FPTOSINT_PPCF128_I64,
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    FPTOSINT_PPCF128_I128,
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    FPTOUINT_F32_I8,
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    FPTOUINT_F32_I16,
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    FPTOUINT_F32_I32,
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    FPTOUINT_F32_I64,
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    FPTOUINT_F32_I128,
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    FPTOUINT_F64_I8,
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    FPTOUINT_F64_I16,
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    FPTOUINT_F64_I32,
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    FPTOUINT_F64_I64,
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    FPTOUINT_F64_I128,
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    FPTOUINT_F80_I32,
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    FPTOUINT_F80_I64,
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    FPTOUINT_F80_I128,
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    FPTOUINT_F128_I32,
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    FPTOUINT_F128_I64,
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    FPTOUINT_F128_I128,
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    FPTOUINT_PPCF128_I32,
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    FPTOUINT_PPCF128_I64,
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    FPTOUINT_PPCF128_I128,
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    SINTTOFP_I32_F32,
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    SINTTOFP_I32_F64,
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    SINTTOFP_I32_F80,
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    SINTTOFP_I32_F128,
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    SINTTOFP_I32_PPCF128,
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    SINTTOFP_I64_F32,
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    SINTTOFP_I64_F64,
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    SINTTOFP_I64_F80,
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    SINTTOFP_I64_F128,
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    SINTTOFP_I64_PPCF128,
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    SINTTOFP_I128_F32,
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    SINTTOFP_I128_F64,
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    SINTTOFP_I128_F80,
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    SINTTOFP_I128_F128,
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    SINTTOFP_I128_PPCF128,
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    UINTTOFP_I32_F32,
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    UINTTOFP_I32_F64,
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    UINTTOFP_I32_F80,
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    UINTTOFP_I32_F128,
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    UINTTOFP_I32_PPCF128,
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    UINTTOFP_I64_F32,
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    UINTTOFP_I64_F64,
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    UINTTOFP_I64_F80,
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    UINTTOFP_I64_F128,
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    UINTTOFP_I64_PPCF128,
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    UINTTOFP_I128_F32,
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    UINTTOFP_I128_F64,
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    UINTTOFP_I128_F80,
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    UINTTOFP_I128_F128,
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    UINTTOFP_I128_PPCF128,
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    // COMPARISON
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    OEQ_F32,
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    OEQ_F64,
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    OEQ_F128,
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    UNE_F32,
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    UNE_F64,
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    UNE_F128,
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    OGE_F32,
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    OGE_F64,
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    OGE_F128,
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    OLT_F32,
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    OLT_F64,
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    OLT_F128,
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    OLE_F32,
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    OLE_F64,
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    OLE_F128,
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    OGT_F32,
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    OGT_F64,
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    OGT_F128,
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    UO_F32,
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    UO_F64,
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    UO_F128,
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    O_F32,
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    O_F64,
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    O_F128,
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    // MEMORY
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    MEMCPY,
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    MEMSET,
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    MEMMOVE,
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    // EXCEPTION HANDLING
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    UNWIND_RESUME,
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    // Family ATOMICs
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    SYNC_VAL_COMPARE_AND_SWAP_1,
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    SYNC_VAL_COMPARE_AND_SWAP_2,
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    SYNC_VAL_COMPARE_AND_SWAP_4,
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    SYNC_VAL_COMPARE_AND_SWAP_8,
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    SYNC_VAL_COMPARE_AND_SWAP_16,
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    SYNC_LOCK_TEST_AND_SET_1,
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    SYNC_LOCK_TEST_AND_SET_2,
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    SYNC_LOCK_TEST_AND_SET_4,
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    SYNC_LOCK_TEST_AND_SET_8,
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    SYNC_LOCK_TEST_AND_SET_16,
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    SYNC_FETCH_AND_ADD_1,
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    SYNC_FETCH_AND_ADD_2,
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    SYNC_FETCH_AND_ADD_4,
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    SYNC_FETCH_AND_ADD_8,
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    SYNC_FETCH_AND_ADD_16,
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    SYNC_FETCH_AND_SUB_1,
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    SYNC_FETCH_AND_SUB_2,
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    SYNC_FETCH_AND_SUB_4,
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    SYNC_FETCH_AND_SUB_8,
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    SYNC_FETCH_AND_SUB_16,
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    SYNC_FETCH_AND_AND_1,
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    SYNC_FETCH_AND_AND_2,
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    SYNC_FETCH_AND_AND_4,
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    SYNC_FETCH_AND_AND_8,
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    SYNC_FETCH_AND_AND_16,
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    SYNC_FETCH_AND_OR_1,
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    SYNC_FETCH_AND_OR_2,
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    SYNC_FETCH_AND_OR_4,
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    SYNC_FETCH_AND_OR_8,
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    SYNC_FETCH_AND_OR_16,
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    SYNC_FETCH_AND_XOR_1,
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    SYNC_FETCH_AND_XOR_2,
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    SYNC_FETCH_AND_XOR_4,
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    SYNC_FETCH_AND_XOR_8,
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    SYNC_FETCH_AND_XOR_16,
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    SYNC_FETCH_AND_NAND_1,
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    SYNC_FETCH_AND_NAND_2,
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    SYNC_FETCH_AND_NAND_4,
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    SYNC_FETCH_AND_NAND_8,
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    SYNC_FETCH_AND_NAND_16,
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    SYNC_FETCH_AND_MAX_1,
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    SYNC_FETCH_AND_MAX_2,
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    SYNC_FETCH_AND_MAX_4,
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    SYNC_FETCH_AND_MAX_8,
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    SYNC_FETCH_AND_MAX_16,
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    SYNC_FETCH_AND_UMAX_1,
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    SYNC_FETCH_AND_UMAX_2,
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    SYNC_FETCH_AND_UMAX_4,
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    SYNC_FETCH_AND_UMAX_8,
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    SYNC_FETCH_AND_UMAX_16,
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    SYNC_FETCH_AND_MIN_1,
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    SYNC_FETCH_AND_MIN_2,
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    SYNC_FETCH_AND_MIN_4,
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    SYNC_FETCH_AND_MIN_8,
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    SYNC_FETCH_AND_MIN_16,
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    SYNC_FETCH_AND_UMIN_1,
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    SYNC_FETCH_AND_UMIN_2,
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    SYNC_FETCH_AND_UMIN_4,
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    SYNC_FETCH_AND_UMIN_8,
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    SYNC_FETCH_AND_UMIN_16,
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    // Stack Protector Fail.
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    STACKPROTECTOR_CHECK_FAIL,
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    UNKNOWN_LIBCALL
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  };
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  /// getFPEXT - Return the FPEXT_*_* value for the given types, or
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  /// UNKNOWN_LIBCALL if there is none.
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  Libcall getFPEXT(EVT OpVT, EVT RetVT);
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 | 
						|
  /// getFPROUND - Return the FPROUND_*_* value for the given types, or
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  /// UNKNOWN_LIBCALL if there is none.
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						|
  Libcall getFPROUND(EVT OpVT, EVT RetVT);
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						|
 | 
						|
  /// getFPTOSINT - Return the FPTOSINT_*_* value for the given types, or
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  /// UNKNOWN_LIBCALL if there is none.
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						|
  Libcall getFPTOSINT(EVT OpVT, EVT RetVT);
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						|
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						|
  /// getFPTOUINT - Return the FPTOUINT_*_* value for the given types, or
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  /// UNKNOWN_LIBCALL if there is none.
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						|
  Libcall getFPTOUINT(EVT OpVT, EVT RetVT);
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						|
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						|
  /// getSINTTOFP - Return the SINTTOFP_*_* value for the given types, or
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						|
  /// UNKNOWN_LIBCALL if there is none.
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						|
  Libcall getSINTTOFP(EVT OpVT, EVT RetVT);
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						|
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						|
  /// getUINTTOFP - Return the UINTTOFP_*_* value for the given types, or
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						|
  /// UNKNOWN_LIBCALL if there is none.
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						|
  Libcall getUINTTOFP(EVT OpVT, EVT RetVT);
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						|
}
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						|
}
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						|
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						|
#endif
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