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422 lines
20 KiB
C
422 lines
20 KiB
C
/* asm.h -- CRX architecture intrinsic functions
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*
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* Copyright (c) 2004 National Semiconductor Corporation
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*/
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#ifndef _ASM
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#define _ASM
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/* Note that immediate input values are not checked for validity. It is
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the user's responsibility to use the intrinsic functions with appropriate
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immediate values. */
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/* Absolute Instructions */
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#define _absb_(src, dest) __asm__("absb %1, %0" : "=r" (dest) : \
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"r" ((char)src) , "0" (dest))
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#define _absw_(src, dest) __asm__("absw %1,%0" : "=r" (dest) : \
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"r" ((short)src) , "0" (dest))
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#define _absd_(src, dest) __asm__("absd %1, %0" : "=r" (dest) : \
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"r" ((int)src) , "0" (dest))
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/* Addition Instructions */
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#define _addb_(src, dest) __asm__("addb %1, %0" : "=r" (dest) : \
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"ri" ((unsigned char)src), "0" (dest) : "cc")
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#define _addub_(src, dest) __asm__("addub %1, %0" : "=r" (dest) : \
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"ri" ((unsigned char)src), "0" (dest) : "cc")
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#define _addw_(src, dest) __asm__("addw %1, %0" : "=r" (dest) : \
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"ri" ((unsigned short)src), "0" (dest) : "cc")
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#define _adduw_(src, dest) __asm__("adduw %1, %0" : "=r" (dest) : \
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"ri" ((unsigned short)src), "0" (dest) : "cc")
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#define _addd_(src, dest) __asm__("addd %1, %0" : "=r" (dest) : \
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"ri" ((unsigned int)src), "0" (dest) : "cc")
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#define _addud_(src, dest) __asm__("addud %1, %0" : "=r" (dest) : \
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"ri" ((unsigned int)src), "0" (dest) : "cc")
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/* Add with Carry */
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#define _addcb_(src, dest) __asm__("addcb %1, %0" : "=r" (dest) : \
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"ri" ((unsigned char)src), "0" (dest) : "cc")
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#define _addcw_(src, dest) __asm__("addcw %1, %0" : "=r" (dest) : \
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"ri" ((unsigned short)src), "0" (dest) : "cc")
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#define _addcd_(src, dest) __asm__("addcd %1, %0" : "=r" (dest) : \
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"ri" ((unsigned int)src), "0" (dest) : "cc")
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/* Q-format Add */
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#define _addqb_(src, dest) __asm__("addqb %1, %0" : "=r" (dest) : \
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"r" ((unsigned char)src), "0" (dest) : "cc")
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#define _addqw_(src, dest) __asm__("addqw %1, %0" : "=r" (dest) : \
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"r" ((unsigned short)src), "0" (dest) : "cc")
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#define _addqd_(src, dest) __asm__("addqd %1, %0" : "=r" (dest) : \
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"r" ((unsigned int)src), "0" (dest) : "cc")
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/* Bitwise Logical AND */
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#define _andb_(src, dest) __asm__("andb %1,%0" : "=r" (dest) : \
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"ri" ((unsigned char)src) , "0" (dest))
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#define _andw_(src, dest) __asm__("andw %1,%0" : "=r" (dest) : \
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"ri" ((unsigned short)src) , "0" (dest))
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#define _andd_(src, dest) __asm__("andd %1,%0" : "=r" (dest) : \
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"ri" ((unsigned int)src) , "0" (dest))
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/* bswap Instruction */
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#define _bswap_(src, dest) __asm__("bswap %1,%0" : "=r" (dest) : \
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"r" ((unsigned int)src) , "0" (dest))
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/* cbit (clear bit) Instructions */
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#define _cbitb_(pos, dest) __asm__("cbitb %1,%0" : "=mr" (dest) : \
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"i" ((unsigned char)pos) , "0" (dest) : "cc")
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#define _cbitw_(pos, dest) __asm__("cbitw %1,%0" : "=mr" (dest) : \
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"i" ((unsigned char)pos) , "0" (dest) : "cc")
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#define _cbitd_(pos, dest) __asm__("cbitd %1,%0" : "=r" (dest) : \
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"i" ((unsigned char)pos) , "0" (dest) : "cc")
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/* Compare Instructions */
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#define _cmpb_(src1, src2) __asm__("cmpb %0,%1" : /* no output */ : \
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"ri" ((unsigned char)src1) , "r" (src2) : "cc")
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#define _cmpw_(src1,src2) __asm__("cmpw %0,%1" : /* no output */ \
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: "ri" ((unsigned short)src1) , "r" (src2) : "cc")
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#define _cmpd_(src1,src2) __asm__("cmpd %0,%1" : /* no output */ \
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: "ri" ((unsigned int)src1) , "r" (src2) : "cc")
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/* cntl Count Leading Ones Instructions */
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#define _cntl1b_(src, dest) __asm__("cntl1b %1,%0" : "=r" (dest) : \
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"r" ((char)src) , "0" (dest))
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#define _cntl1w_(src, dest) __asm__("cntl1w %1,%0" : "=r" (dest) : \
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"r" ((short)src) , "0" (dest))
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#define _cntl1d_(src, dest) __asm__("cntl1d %1,%0" : "=r" (dest) : \
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"r" ((int)src) , "0" (dest))
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/* cntl Count Leading Zeros Instructions */
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#define _cntl0b_(src, dest) __asm__("cntl0b %1,%0" : "=r" (dest) : \
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"r" ((char)src) , "0" (dest))
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#define _cntl0w_(src, dest) __asm__("cntl0w %1,%0" : "=r" (dest) : \
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"r" ((short)src) , "0" (dest))
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#define _cntl0d_(src, dest) __asm__("cntl0d %1,%0" : "=r" (dest) : \
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"r" ((int)src) , "0" (dest))
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/* cntl Count Leading Signs Instructions */
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#define _cntlsb_(src, dest) __asm__("cntlsb %1,%0" : "=r" (dest) : \
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"r" ((char)src) , "0" (dest))
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#define _cntlsw_(src, dest) __asm__("cntlsw %1,%0" : "=r" (dest) : \
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"r" ((short)src) , "0" (dest))
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#define _cntlsd_(src, dest) __asm__("cntlsd %1,%0" : "=r" (dest) : \
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"r" ((int)src) , "0" (dest))
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/* Disable Inerrupts instructions */
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#define _di_() __asm__ volatile ("di\n" : : : "cc")
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#define _disable_() __asm__ volatile ("di\n" : : : "cc")
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/* Enable Inerrupts instructions */
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#define _ei_() __asm__ volatile ("ei\n" : : : "cc")
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#define _enable_() __asm__ volatile ("ei\n" : : : "cc")
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/* Enable Inerrupts instructions and Wait */
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#define _eiwait_() __asm__ volatile ("eiwait" : : : "cc")
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/* excp Instructions */
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#define _excp_(vector) __asm__ volatile ("excp " # vector)
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/* getpid Instruction */
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#define _getrfid_(dest) __asm__("getrfid %0" : "=r" (dest) : \
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/* No input */ : "cc")
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/* Load Instructions */
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#define _loadb_(base,dest) __asm__("loadb %1,%0" : "=r" (dest) : \
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"m" (base) , "0" (dest))
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#define _loadw_(base,dest) __asm__("loadw %1,%0" : "=r" (dest) : \
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"m" (base) , "0" (dest))
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#define _loadd_(base,dest) __asm__("loadd %1,%0" : "=r" (dest) : \
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"m" (base) , "0" (dest))
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/* Load Multiple Instructions */
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#define _loadm_(src, mask) __asm__("loadm %0,%1" : /* No output */ : \
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"r" ((unsigned int)src) , "i" (mask))
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#define _loadmp_(src, mask) __asm__("loadmp %0,%1" : /* No output */ : \
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"r" ((unsigned int)src) , "i" (mask))
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/* Multiply Accumulate Instrutions */
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#define _macsb_(hi, lo, src1, src2) __asm__("macsb %1,%0" \
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: =l (lo), =h (hi) \
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: "r" ((char)src1) , "r" (src2))
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#define _macsw_(hi, lo, src1, src2) __asm__("macsw %1,%0" \
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: =l (lo), =h (hi) \
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: "r" ((short)src1) , "r" (src2))
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#define _macsd_(hi, lo, src1, src2) __asm__("macsd %1,%0" \
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: =l (lo), =h (hi) \
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: "r" ((int)src1) , "r" (src2))
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#define _macub_(hi, lo, src1, src2) __asm__("macub %1,%0" \
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: =l (lo), =h (hi) \
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:"r" ((unsigned char)src1) , "r" (src2))
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#define _macuw_(hi, lo, src1, src2) __asm__("macuw %1,%0" \
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: =l (lo), =h (hi) \
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: "r" ((unsigned short)src1) , "r" (src2))
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#define _macud_(hi, lo, src1, src2) __asm__("macud %1,%0" \
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: =l (lo), =h (hi) \
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: "r" ((unsigned int)src1) , "r" (src2))
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/* Q-Format Multiply Accumulate Instrutions */
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#define _macqb_(src1, src2) __asm__("macqb %1,%0" \
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: =l (lo), =h (hi) \
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:"r" ((char)src1) , "r" (src2))
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#define _macqw_(src1, src2) __asm__("macqw %1,%0" \
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: =l (lo), =h (hi) \
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:"r" ((short)src1) , "r" (src2))
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#define _macqd_(src1, src2) __asm__("macqd %1,%0" \
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: =l (lo), =h (hi) \
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:"r" ((int)src1) , "r" (src2))
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/* Maximum Instructions */
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#define _maxsb_(src, dest) __asm__("maxsb %1,%0" : "=r" (dest) : \
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"r" ((char)src) , "0" (dest))
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#define _maxsw_(src, dest) __asm__("maxsw %1,%0" : "=r" (dest) : \
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"r" ((short)src) , "0" (dest))
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#define _maxsd_(src, dest) __asm__("maxsd %1,%0" : "=r" (dest) : \
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"r" ((int)src) , "0" (dest))
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#define _maxub_(src, dest) __asm__("maxub %1,%0" : "=r" (dest) : \
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"r" ((unsigned char)src) , "0" (dest))
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#define _maxuw_(src, dest) __asm__("maxuw %1,%0" : "=r" (dest) : \
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"r" ((unsigned short)src) , "0" (dest))
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#define _maxud_(src, dest) __asm__("maxud %1,%0" : "=r" (dest) : \
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"r" ((unsigned int)src) , "0" (dest))
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/* Minimum Instructions */
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#define _minsb_(src, dest) __asm__("minsb %1,%0" : "=r" (dest) : \
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"r" ((char)src) , "0" (dest))
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#define _minsw_(src, dest) __asm__("minsw %1,%0" : "=r" (dest) : \
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"r" ((short)src) , "0" (dest))
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#define _minsd_(src, dest) __asm__("minsd %1,%0" : "=r" (dest) : \
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"r" ((int)src) , "0" (dest))
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#define _minub_(src, dest) __asm__("minub %1,%0" : "=r" (dest) : \
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"r" ((unsigned char)src) , "0" (dest))
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#define _minuw_(src, dest) __asm__("minuw %1,%0" : "=r" (dest) : \
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"r" ((unsigned short)src) , "0" (dest))
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#define _minud_(src, dest) __asm__("minud %1,%0" : "=r" (dest) : \
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"r" ((unsigned int)src) , "0" (dest))
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/* Move Instructions */
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#define _movb_(src, dest) __asm__("movb %1,%0" : "=r" (dest) : \
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"ri" ((unsigned char)src) , "0" (dest))
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#define _movw_(src, dest) __asm__("movw %1,%0" : "=r" (dest) : \
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"ri" ((unsigned short)src) , "0" (dest))
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#define _movd_(src, dest) __asm__("movd %1,%0" : "=r" (dest) : \
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"ri" ((unsigned int)src) , "0" (dest))
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/* mtpr and mfpr Insturctions */
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#define _mtpr_(procregd, src) __asm__("mtpr\t%0," procregd : /* no output */ : \
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"r" (src) : "cc")
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#define _mfpr_(procregd, dest) __asm__("mfpr\t" procregd ",%0" : "=r" (dest) : \
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/* no input */ "0" (dest) : "cc")
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/* Multiplication Instructions */
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#define _mulsbw_(src, dest) __asm__("mulsbw %1,%0" : "=r" (dest) : \
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"r" ((char)src) , "0" (dest))
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#define _mulubw_(src, dest) __asm__("mulubw %1,%0" : "=r" (dest) : \
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"r" ((unsigned char)src) , "0" (dest))
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#define _mulswd_(src, dest) __asm__("mulswd %1,%0" : "=r" (dest) : \
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"r" ((short)src) , "0" (dest))
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#define _muluwd_(src, dest) __asm__("muluwd %1,%0" : "=r" (dest) : \
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"r" ((unsigned short)src) , "0" (dest))
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#define _mulb_(src, dest) __asm__("mulb %1,%0" : "=r" (dest) : \
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"ri" ((char)src) , "0" (dest))
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#define _mulw_(src, dest) __asm__("mulw %1,%0" : "=r" (dest) : \
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"ri" ((short)src) , "0" (dest))
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#define _muld_(src, dest) __asm__("muld %1,%0" : "=r" (dest) : \
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"ri" ((int)src) , "0" (dest))
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#define _mullsd_(hi, lo, src1, src2) __asm__("mullsd %2,%3" \
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: =l (lo), =h (hi) \
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: "r" ((unsigned int)src1) , "r" ((unsigned int)src2))
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#define _mullud_(hi, lo, src1, src2) __asm__("mullud %2,%3" \
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: =l (lo), =h (hi) \
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: "r" ((int)src1) , "r" ((int)src2))
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/* Q-Format Multiplication Instructions */
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#define _mulqb_(src, dest) __asm__("mulqb %1,%0" : "=r" (dest) : \
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"r" ((char)src) , "0" (dest))
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#define _mulqw_(src, dest) __asm__("mulqw %1,%0" : "=r" (dest) : \
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"r" ((short)src) , "0" (dest))
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/* nop Instruction */
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#define _nop_() __asm__("nop")
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/* Negate Instructions */
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#define _negb_(src, dest) __asm__("negb %1,%0" : "=r" (dest) : \
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"r" ((char)src) , "0" (dest))
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#define _negw_(src, dest) __asm__("negw %1,%0" : "=r" (dest) : \
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"r" ((short)src) , "0" (dest))
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#define _negd_(src, dest) __asm__("negd %1,%0" : "=r" (dest) : \
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"r" ((int)src) , "0" (dest))
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/* or Instructions */
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#define _orb_(src, dest) __asm__("orb %1,%0" : "=r" (dest) : \
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"ri" ((unsigned char)src) , "0" (dest))
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#define _orw_(src, dest) __asm__("orw %1,%0" : "=r" (dest) : \
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"ri" ((unsigned short)src) , "0" (dest))
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#define _ord_(src, dest) __asm__("ord %1,%0" : "=r" (dest) : \
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"ri" ((unsigned int)src) , "0" (dest))
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/* Pop 1's Count Instructions */
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#define _popcntb_(src, dest) __asm__("popcntb %1,%0" : "=r" (dest) : \
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"r" ((char)src) , "0" (dest))
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#define _popcntw_(src, dest) __asm__("popcntw %1,%0" : "=r" (dest) : \
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"r" ((short)src) , "0" (dest))
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#define _popcntd_(src, dest) __asm__("popcntd %1,%0" : "=r" (dest) : \
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"r" ((int)src) , "0" (dest))
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/* Rotate and Mask Instructions */
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#define _ram_(shift, end, begin, dest, src) __asm__("ram %1, %2, %3, %0, %4" : \
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"=r" (dest) : \
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"i" ((unsigned char) shift), \
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"i" (end), "i" (begin), \
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"r" (src), "0" (dest))
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#define _rim_(shift, end, begin, dest, src) __asm__("rim %1, %2, %3, %0, %4" : \
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"=r" (dest) : \
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"i" ((unsigned char) shift), \
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"i" (end), "i" (begin), \
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"r" (src), "0" (dest))
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/* retx Instruction */
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#define _retx_() __asm__("retx")
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/* Rotate Instructions */
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#define _rotb_(shift, dest) __asm__("rotb %1,%0" : "=r" (dest) : \
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"i" ((unsigned char)shift) , "0" (dest))
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#define _rotw_(shift, dest) __asm__("rotw %1,%0" : "=r" (dest) : \
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"i" ((unsigned char)shift) , "0" (dest))
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#define _rotd_(shift, dest) __asm__("rotd %1,%0" : "=r" (dest) : \
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"i" ((unsigned char)shift) , "0" (dest))
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#define _rotlb_(shift, dest) __asm__("rotlb %1,%0" : "=r" (dest) : \
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"r" ((unsigned char)shift) , "0" (dest))
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#define _rotlw_(shift, dest) __asm__("rotlw %1,%0" : "=r" (dest) : \
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"r" ((unsigned char)shift) , "0" (dest))
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#define _rotld_(shift, dest) __asm__("rotld %1,%0" : "=r" (dest) : \
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"r" ((unsigned char)shift) , "0" (dest))
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#define _rotrb_(shift, dest) __asm__("rotrb %1,%0" : "=r" (dest) : \
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"r" ((unsigned char)shift) , "0" (dest))
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#define _rotrw_(shift, dest) __asm__("rotrw %1,%0" : "=r" (dest) : \
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"r" ((unsigned char)shift) , "0" (dest))
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#define _rotrd_(shift, dest) __asm__("rotrd %1,%0" : "=r" (dest) : \
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"r" ((unsigned char)shift) , "0" (dest))
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/* Set Bit Instructions */
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#define _sbitb_(pos,dest) __asm__("sbitb %1,%0" : "=mr" (dest) : \
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"i" ((unsigned char)pos) , "0" (dest) : "cc")
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#define _sbitw_(pos,dest) __asm__("sbitw %1,%0" : "=mr" (dest) : \
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"i" ((unsigned char)pos) , "0" (dest) : "cc")
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#define _sbitd_(pos,dest) __asm__("sbitd %1,%0" : "=mr" (dest) : \
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"i" ((unsigned char)pos) , "0" (dest) : "cc")
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/* setrfid Instruction */
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#define _setrfid_(src) __asm__("setrfid %0" : /* No output */ : \
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"r" (src) : "cc")
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/* Sign Extend Instructions */
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#define _sextbw_(src, dest) __asm__("sextbw %1,%0" : "=r" (dest) : \
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"r" ((char)src) , "0" (dest) )
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#define _sextbd_(src, dest) __asm__("sextbd %1,%0" : "=r" (dest) : \
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"r" ((char)src) , "0" (dest) )
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#define _sextwd_(src, dest) __asm__("sextwd %1,%0" : "=r" (dest) : \
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"r" ((short)src) , "0" (dest) )
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/* Shift Left Logical Instructions */
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#define _sllb_(src, dest) __asm__("sllb %1,%0" : "=r" (dest) : \
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"ri" ((unsigned char)src) , "0" (dest))
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#define _sllw_(src, dest) __asm__("sllw %1,%0" : "=r" (dest) : \
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"ri" ((unsigned char)src) , "0" (dest))
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#define _slld_(src, dest) __asm__("slld %1,%0" : "=r" (dest) : \
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"ri" ((unsigned char)src) , "0" (dest))
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/* Shift Right Arithmetic Instructions */
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#define _srab_(src, dest) __asm__("srab %1,%0" : "=r" (dest) : \
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"ri" ((unsigned char)src) , "0" (dest))
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#define _sraw_(src, dest) __asm__("sraw %1,%0" : "=r" (dest) : \
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"ri" ((unsigned char)src) , "0" (dest))
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#define _srad_(src, dest) __asm__("srad %1,%0" : "=r" (dest) : \
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"ri" ((unsigned char)src) , "0" (dest))
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/* Shift Right Logical Instructions */
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#define _srlb_(src, dest) __asm__("srlb %1,%0" : "=r" (dest) : \
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"ri" ((unsigned char)src) , "0" (dest))
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#define _srlw_(src, dest) __asm__("srlw %1,%0" : "=r" (dest) : \
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"ri" ((unsigned char)src) , "0" (dest))
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#define _srld_(src, dest) __asm__("srld %1,%0" : "=r" (dest) : \
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"ri" ((unsigned char)src) , "0" (dest))
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/* Store Instructions */
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#define _storb_(src,address) __asm__("storb %1,%0" : "=m" (address) : \
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"ri" ((unsigned int)src))
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#define _storw_(src,address) __asm__("storw %1,%0" : "=m" (address) : \
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"ri" ((unsigned int)src))
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#define _stord_(src,address) __asm__("stord %1,%0" : "=m" (address) : \
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"ri" ((unsigned int)src))
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/* Store Multiple Instructions */
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#define _storm_(mask, src) __asm__("storm %1,%0" : /* No output here */ : \
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"i" (mask) , "r" ((unsigned int)src))
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#define _stormp_(mask, src) __asm__("stormp %1,%0" : /* No output here */ : \
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"i" (mask) , "r" ((unsigned int)src))
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/* Substruct Instructions */
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#define _subb_(src, dest) __asm__("subb %1, %0" : "=r" (dest) : \
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"ri" ((unsigned char)src), "0" (dest) : "cc")
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#define _subw_(src, dest) __asm__("subw %1, %0" : "=r" (dest) : \
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"ri" ((unsigned short)src), "0" (dest) : "cc")
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#define _subd_(src, dest) __asm__("subd %1, %0" : "=r" (dest) : \
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"ri" ((unsigned int)src), "0" (dest) : "cc")
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/* Substruct with Carry Instructions */
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#define _subcb_(src, dest) __asm__("subcb %1, %0" : "=r" (dest) : \
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"ri" ((unsigned char)src), "0" (dest) : "cc")
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#define _subcw_(src, dest) __asm__("subcw %1, %0" : "=r" (dest) : \
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"ri" ((unsigned short)src), "0" (dest) : "cc")
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#define _subcd_(src, dest) __asm__("subcd %1, %0" : "=r" (dest) : \
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"ri" ((unsigned int)src), "0" (dest) : "cc")
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/* Q-Format Substruct Instructions */
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#define _subqb_(src, dest) __asm__("subqw %1,%0" : "=r" (dest) : \
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"r" ((char)src) , "0" (dest))
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#define _subqw_(src, dest) __asm__("subqw %1,%0" : "=r" (dest) : \
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"r" ((short)src) , "0" (dest))
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#define _subqd_(src, dest) __asm__("subqd %1,%0" : "=r" (dest) : \
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"r" ((short)src) , "0" (dest))
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/* Test Bit Instructions */
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|
#define _tbitb_(pos,dest) __asm__("tbitb %0,%1" : /* No output */ : \
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|
"i" ((unsigned char)pos) , "rm" (dest) : "cc")
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#define _tbitw_(pos,dest) __asm__("tbitw %0,%1" : /* No output */ : \
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|
"i" ((unsigned char)pos) , "rm" (dest) : "cc")
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#define _tbitd_(pos,dest) __asm__("tbitd %0,%1" : /* No output */ : \
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|
"i" ((unsigned char)pos) , "rm" (dest) : "cc")
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/* wait Instruction*/
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#define _wait_() __asm__ volatile ("wait" : : : "cc")
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/* xor Instructions */
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|
#define _xorb_(src, dest) __asm__("xorb %1,%0" : "=r" (dest) : \
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|
"ri" ((unsigned char)src) , "0" (dest))
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|
#define _xorw_(src, dest) __asm__("xorw %1,%0" : "=r" (dest) : \
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|
"ri" ((unsigned short)src) , "0" (dest))
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|
#define _xord_(src, dest) __asm__("xord %1,%0" : "=r" (dest) : \
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|
"ri" ((unsigned int)src) , "0" (dest))
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/* Zero Extend Instructions */
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|
#define _zextbw_(src, dest) __asm__("zextbw %1,%0" : "=r" (dest) : \
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|
"r" ((unsigned char)src) , "0" (dest))
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|
#define _zextbd_(src, dest) __asm__("zextbd %1,%0" : "=r" (dest) : \
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|
"r" ((unsigned char)src) , "0" (dest))
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|
#define _zextwd_(src, dest) __asm__("zextwd %1,%0" : "=r" (dest) : \
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|
"r" ((unsigned short)src) , "0" (dest))
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|
#define _save_asm_(x) \
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|
__asm__ volatile (x ::: "memory","cc", \
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|
"r0","r1","r2","r3","r4","r5","r6","r7", \
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"r8","r9","r10","r11","r12","r13")
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#endif /* _ASM */
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