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Diffstat (limited to 'lib/mpi/longlong.h')
| -rw-r--r-- | lib/mpi/longlong.h | 1379 | 
1 files changed, 1379 insertions, 0 deletions
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h new file mode 100644 index 00000000000..aac511417ad --- /dev/null +++ b/lib/mpi/longlong.h @@ -0,0 +1,1379 @@ +/* longlong.h -- definitions for mixed size 32/64 bit arithmetic. + * Note: I added some stuff for use with gnupg + * + * Copyright (C) 1991, 1992, 1993, 1994, 1996, 1998, + *	2000, 2001, 2002, 2003 Free Software Foundation, Inc. + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This file is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public + * License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this file; see the file COPYING.LIB.  If not, write to + * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. */ + +#include <asm-generic/bitops/count_zeros.h> + +/* You have to define the following before including this file: + * + * UWtype -- An unsigned type, default type for operations (typically a "word") + * UHWtype -- An unsigned type, at least half the size of UWtype. + * UDWtype -- An unsigned type, at least twice as large a UWtype + * W_TYPE_SIZE -- size in bits of UWtype + * + * SItype, USItype -- Signed and unsigned 32 bit types. + * DItype, UDItype -- Signed and unsigned 64 bit types. + * + * On a 32 bit machine UWtype should typically be USItype; + * on a 64 bit machine, UWtype should typically be UDItype. +*/ + +#define __BITS4 (W_TYPE_SIZE / 4) +#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2)) +#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1)) +#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2)) + +/* This is used to make sure no undesirable sharing between different libraries +	that use this file takes place.  */ +#ifndef __MPN +#define __MPN(x) __##x +#endif + +/* Define auxiliary asm macros. + * + * 1) umul_ppmm(high_prod, low_prod, multipler, multiplicand) multiplies two + * UWtype integers MULTIPLER and MULTIPLICAND, and generates a two UWtype + * word product in HIGH_PROD and LOW_PROD. + * + * 2) __umulsidi3(a,b) multiplies two UWtype integers A and B, and returns a + * UDWtype product.  This is just a variant of umul_ppmm. + + * 3) udiv_qrnnd(quotient, remainder, high_numerator, low_numerator, + * denominator) divides a UDWtype, composed by the UWtype integers + * HIGH_NUMERATOR and LOW_NUMERATOR, by DENOMINATOR and places the quotient + * in QUOTIENT and the remainder in REMAINDER.	HIGH_NUMERATOR must be less + * than DENOMINATOR for correct operation.  If, in addition, the most + * significant bit of DENOMINATOR must be 1, then the pre-processor symbol + * UDIV_NEEDS_NORMALIZATION is defined to 1. + * 4) sdiv_qrnnd(quotient, remainder, high_numerator, low_numerator, + * denominator).  Like udiv_qrnnd but the numbers are signed.  The quotient + * is rounded towards 0. + * + * 5) count_leading_zeros(count, x) counts the number of zero-bits from the + * msb to the first non-zero bit in the UWtype X.  This is the number of + * steps X needs to be shifted left to set the msb.  Undefined for X == 0, + * unless the symbol COUNT_LEADING_ZEROS_0 is defined to some value. + * + * 6) count_trailing_zeros(count, x) like count_leading_zeros, but counts + * from the least significant end. + * + * 7) add_ssaaaa(high_sum, low_sum, high_addend_1, low_addend_1, + * high_addend_2, low_addend_2) adds two UWtype integers, composed by + * HIGH_ADDEND_1 and LOW_ADDEND_1, and HIGH_ADDEND_2 and LOW_ADDEND_2 + * respectively.  The result is placed in HIGH_SUM and LOW_SUM.  Overflow + * (i.e. carry out) is not stored anywhere, and is lost. + * + * 8) sub_ddmmss(high_difference, low_difference, high_minuend, low_minuend, + * high_subtrahend, low_subtrahend) subtracts two two-word UWtype integers, + * composed by HIGH_MINUEND_1 and LOW_MINUEND_1, and HIGH_SUBTRAHEND_2 and + * LOW_SUBTRAHEND_2 respectively.  The result is placed in HIGH_DIFFERENCE + * and LOW_DIFFERENCE.	Overflow (i.e. carry out) is not stored anywhere, + * and is lost. + * + * If any of these macros are left undefined for a particular CPU, + * C macros are used.  */ + +/* The CPUs come in alphabetical order below. + * + * Please add support for more CPUs here, or improve the current support + * for the CPUs below!	*/ + +#if defined(__GNUC__) && !defined(NO_ASM) + +/* We sometimes need to clobber "cc" with gcc2, but that would not be +	understood by gcc1.	Use cpp to avoid major code duplication.  */ +#if __GNUC__ < 2 +#define __CLOBBER_CC +#define __AND_CLOBBER_CC +#else /* __GNUC__ >= 2 */ +#define __CLOBBER_CC : "cc" +#define __AND_CLOBBER_CC , "cc" +#endif /* __GNUC__ < 2 */ + +/*************************************** +	**************  A29K  ***************** +	***************************************/ +#if (defined(__a29k__) || defined(_AM29K)) && W_TYPE_SIZE == 32 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +	__asm__ ("add %1,%4,%5\n" \ +		"addc %0,%2,%3" \ +	: "=r" ((USItype)(sh)), \ +		"=&r" ((USItype)(sl)) \ +	: "%r" ((USItype)(ah)), \ +		"rI" ((USItype)(bh)), \ +		"%r" ((USItype)(al)), \ +		"rI" ((USItype)(bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +	__asm__ ("sub %1,%4,%5\n" \ +		"subc %0,%2,%3" \ +	: "=r" ((USItype)(sh)), \ +		"=&r" ((USItype)(sl)) \ +	: "r" ((USItype)(ah)), \ +		"rI" ((USItype)(bh)), \ +		"r" ((USItype)(al)), \ +		"rI" ((USItype)(bl))) +#define umul_ppmm(xh, xl, m0, m1) \ +do { \ +		USItype __m0 = (m0), __m1 = (m1); \ +		__asm__ ("multiplu %0,%1,%2" \ +		: "=r" ((USItype)(xl)) \ +		: "r" (__m0), \ +			"r" (__m1)); \ +		__asm__ ("multmu %0,%1,%2" \ +		: "=r" ((USItype)(xh)) \ +		: "r" (__m0), \ +			"r" (__m1)); \ +} while (0) +#define udiv_qrnnd(q, r, n1, n0, d) \ +	__asm__ ("dividu %0,%3,%4" \ +	: "=r" ((USItype)(q)), \ +		"=q" ((USItype)(r)) \ +	: "1" ((USItype)(n1)), \ +		"r" ((USItype)(n0)), \ +		"r" ((USItype)(d))) +#endif /* __a29k__ */ + +#if defined(__alpha) && W_TYPE_SIZE == 64 +#define umul_ppmm(ph, pl, m0, m1)			\ +do {							\ +	UDItype __m0 = (m0), __m1 = (m1);		\ +	(ph) = __builtin_alpha_umulh(__m0, __m1);	\ +	(pl) = __m0 * __m1;                             \ +} while (0) +#define UMUL_TIME 46 +#ifndef LONGLONG_STANDALONE +#define udiv_qrnnd(q, r, n1, n0, d) \ +do { UDItype __r; \ +	(q) = __udiv_qrnnd(&__r, (n1), (n0), (d)); \ +	(r) = __r; \ +} while (0) +extern UDItype __udiv_qrnnd(UDItype *, UDItype, UDItype, UDItype); +#define UDIV_TIME 220 +#endif /* LONGLONG_STANDALONE */ +#endif /* __alpha */ + +/*************************************** +	**************  ARM  ****************** +	***************************************/ +#if defined(__arm__) && W_TYPE_SIZE == 32 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +	__asm__ ("adds %1, %4, %5\n" \ +		"adc  %0, %2, %3" \ +	: "=r" ((USItype)(sh)), \ +		"=&r" ((USItype)(sl)) \ +	: "%r" ((USItype)(ah)), \ +		"rI" ((USItype)(bh)), \ +		"%r" ((USItype)(al)), \ +		"rI" ((USItype)(bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +	__asm__ ("subs %1, %4, %5\n" \ +		"sbc  %0, %2, %3" \ +	: "=r" ((USItype)(sh)), \ +		"=&r" ((USItype)(sl)) \ +	: "r" ((USItype)(ah)), \ +		"rI" ((USItype)(bh)), \ +		"r" ((USItype)(al)), \ +		"rI" ((USItype)(bl))) +#if defined __ARM_ARCH_2__ || defined __ARM_ARCH_3__ +#define umul_ppmm(xh, xl, a, b) \ +	__asm__ ("%@ Inlined umul_ppmm\n" \ +		"mov	%|r0, %2, lsr #16		@ AAAA\n" \ +		"mov	%|r2, %3, lsr #16		@ BBBB\n" \ +		"bic	%|r1, %2, %|r0, lsl #16		@ aaaa\n" \ +		"bic	%0, %3, %|r2, lsl #16		@ bbbb\n" \ +		"mul	%1, %|r1, %|r2			@ aaaa * BBBB\n" \ +		"mul	%|r2, %|r0, %|r2		@ AAAA * BBBB\n" \ +		"mul	%|r1, %0, %|r1			@ aaaa * bbbb\n" \ +		"mul	%0, %|r0, %0			@ AAAA * bbbb\n" \ +		"adds	%|r0, %1, %0			@ central sum\n" \ +		"addcs	%|r2, %|r2, #65536\n" \ +		"adds	%1, %|r1, %|r0, lsl #16\n" \ +		"adc	%0, %|r2, %|r0, lsr #16" \ +	: "=&r" ((USItype)(xh)), \ +		"=r" ((USItype)(xl)) \ +	: "r" ((USItype)(a)), \ +		"r" ((USItype)(b)) \ +	: "r0", "r1", "r2") +#else +#define umul_ppmm(xh, xl, a, b) \ +	__asm__ ("%@ Inlined umul_ppmm\n" \ +		"umull %r1, %r0, %r2, %r3" \ +	: "=&r" ((USItype)(xh)), \ +			"=r" ((USItype)(xl)) \ +	: "r" ((USItype)(a)), \ +			"r" ((USItype)(b)) \ +	: "r0", "r1") +#endif +#define UMUL_TIME 20 +#define UDIV_TIME 100 +#endif /* __arm__ */ + +/*************************************** +	**************  CLIPPER  ************** +	***************************************/ +#if defined(__clipper__) && W_TYPE_SIZE == 32 +#define umul_ppmm(w1, w0, u, v) \ +	({union {UDItype __ll; \ +		struct {USItype __l, __h; } __i; \ +	} __xx; \ +	__asm__ ("mulwux %2,%0" \ +	: "=r" (__xx.__ll) \ +	: "%0" ((USItype)(u)), \ +		"r" ((USItype)(v))); \ +	(w1) = __xx.__i.__h; (w0) = __xx.__i.__l; }) +#define smul_ppmm(w1, w0, u, v) \ +	({union {DItype __ll; \ +		struct {SItype __l, __h; } __i; \ +	} __xx; \ +	__asm__ ("mulwx %2,%0" \ +	: "=r" (__xx.__ll) \ +	: "%0" ((SItype)(u)), \ +		"r" ((SItype)(v))); \ +	(w1) = __xx.__i.__h; (w0) = __xx.__i.__l; }) +#define __umulsidi3(u, v) \ +	({UDItype __w; \ +	__asm__ ("mulwux %2,%0" \ +	: "=r" (__w) \ +	: "%0" ((USItype)(u)), \ +		"r" ((USItype)(v))); \ +	__w; }) +#endif /* __clipper__ */ + +/*************************************** +	**************  GMICRO  *************** +	***************************************/ +#if defined(__gmicro__) && W_TYPE_SIZE == 32 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +	__asm__ ("add.w %5,%1\n" \ +		"addx %3,%0" \ +	: "=g" ((USItype)(sh)), \ +		"=&g" ((USItype)(sl)) \ +	: "%0" ((USItype)(ah)), \ +		"g" ((USItype)(bh)), \ +		"%1" ((USItype)(al)), \ +		"g" ((USItype)(bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +	__asm__ ("sub.w %5,%1\n" \ +		"subx %3,%0" \ +	: "=g" ((USItype)(sh)), \ +		"=&g" ((USItype)(sl)) \ +	: "0" ((USItype)(ah)), \ +		"g" ((USItype)(bh)), \ +		"1" ((USItype)(al)), \ +		"g" ((USItype)(bl))) +#define umul_ppmm(ph, pl, m0, m1) \ +	__asm__ ("mulx %3,%0,%1" \ +	: "=g" ((USItype)(ph)), \ +		"=r" ((USItype)(pl)) \ +	: "%0" ((USItype)(m0)), \ +		"g" ((USItype)(m1))) +#define udiv_qrnnd(q, r, nh, nl, d) \ +	__asm__ ("divx %4,%0,%1" \ +	: "=g" ((USItype)(q)), \ +		"=r" ((USItype)(r)) \ +	: "1" ((USItype)(nh)), \ +		"0" ((USItype)(nl)), \ +		"g" ((USItype)(d))) +#endif + +/*************************************** +	**************  HPPA  ***************** +	***************************************/ +#if defined(__hppa) && W_TYPE_SIZE == 32 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +	__asm__ ("add %4,%5,%1\n" \ +		   "addc %2,%3,%0" \ +	: "=r" ((USItype)(sh)), \ +	     "=&r" ((USItype)(sl)) \ +	: "%rM" ((USItype)(ah)), \ +	     "rM" ((USItype)(bh)), \ +	     "%rM" ((USItype)(al)), \ +	     "rM" ((USItype)(bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +	__asm__ ("sub %4,%5,%1\n" \ +	   "subb %2,%3,%0" \ +	: "=r" ((USItype)(sh)), \ +	     "=&r" ((USItype)(sl)) \ +	: "rM" ((USItype)(ah)), \ +	     "rM" ((USItype)(bh)), \ +	     "rM" ((USItype)(al)), \ +	     "rM" ((USItype)(bl))) +#if 0 && defined(_PA_RISC1_1) +/* xmpyu uses floating point register which is not allowed in Linux kernel. */ +#define umul_ppmm(wh, wl, u, v) \ +do { \ +	union {UDItype __ll; \ +	struct {USItype __h, __l; } __i; \ +	} __xx; \ +	__asm__ ("xmpyu %1,%2,%0" \ +	: "=*f" (__xx.__ll) \ +	: "*f" ((USItype)(u)), \ +	       "*f" ((USItype)(v))); \ +	(wh) = __xx.__i.__h; \ +	(wl) = __xx.__i.__l; \ +} while (0) +#define UMUL_TIME 8 +#define UDIV_TIME 60 +#else +#define UMUL_TIME 40 +#define UDIV_TIME 80 +#endif +#if 0 /* #ifndef LONGLONG_STANDALONE */ +#define udiv_qrnnd(q, r, n1, n0, d) \ +do { USItype __r; \ +	(q) = __udiv_qrnnd(&__r, (n1), (n0), (d)); \ +	(r) = __r; \ +} while (0) +extern USItype __udiv_qrnnd(); +#endif /* LONGLONG_STANDALONE */ +#endif /* hppa */ + +/*************************************** +	**************  I370  ***************** +	***************************************/ +#if (defined(__i370__) || defined(__mvs__)) && W_TYPE_SIZE == 32 +#define umul_ppmm(xh, xl, m0, m1) \ +do { \ +	union {UDItype __ll; \ +	   struct {USItype __h, __l; } __i; \ +	} __xx; \ +	USItype __m0 = (m0), __m1 = (m1); \ +	__asm__ ("mr %0,%3" \ +	: "=r" (__xx.__i.__h), \ +	       "=r" (__xx.__i.__l) \ +	: "%1" (__m0), \ +	       "r" (__m1)); \ +	(xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \ +	(xh) += ((((SItype) __m0 >> 31) & __m1) \ +	     + (((SItype) __m1 >> 31) & __m0)); \ +} while (0) +#define smul_ppmm(xh, xl, m0, m1) \ +do { \ +	union {DItype __ll; \ +	   struct {USItype __h, __l; } __i; \ +	} __xx; \ +	__asm__ ("mr %0,%3" \ +	: "=r" (__xx.__i.__h), \ +	       "=r" (__xx.__i.__l) \ +	: "%1" (m0), \ +	       "r" (m1)); \ +	(xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \ +} while (0) +#define sdiv_qrnnd(q, r, n1, n0, d) \ +do { \ +	union {DItype __ll; \ +	   struct {USItype __h, __l; } __i; \ +	} __xx; \ +	__xx.__i.__h = n1; __xx.__i.__l = n0; \ +	__asm__ ("dr %0,%2" \ +	: "=r" (__xx.__ll) \ +	: "0" (__xx.__ll), "r" (d)); \ +	(q) = __xx.__i.__l; (r) = __xx.__i.__h; \ +} while (0) +#endif + +/*************************************** +	**************  I386  ***************** +	***************************************/ +#undef __i386__ +#if (defined(__i386__) || defined(__i486__)) && W_TYPE_SIZE == 32 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +	__asm__ ("addl %5,%1\n" \ +	   "adcl %3,%0" \ +	: "=r" ((USItype)(sh)), \ +	     "=&r" ((USItype)(sl)) \ +	: "%0" ((USItype)(ah)), \ +	     "g" ((USItype)(bh)), \ +	     "%1" ((USItype)(al)), \ +	     "g" ((USItype)(bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +	__asm__ ("subl %5,%1\n" \ +	   "sbbl %3,%0" \ +	: "=r" ((USItype)(sh)), \ +	     "=&r" ((USItype)(sl)) \ +	: "0" ((USItype)(ah)), \ +	     "g" ((USItype)(bh)), \ +	     "1" ((USItype)(al)), \ +	     "g" ((USItype)(bl))) +#define umul_ppmm(w1, w0, u, v) \ +	__asm__ ("mull %3" \ +	: "=a" ((USItype)(w0)), \ +	     "=d" ((USItype)(w1)) \ +	: "%0" ((USItype)(u)), \ +	     "rm" ((USItype)(v))) +#define udiv_qrnnd(q, r, n1, n0, d) \ +	__asm__ ("divl %4" \ +	: "=a" ((USItype)(q)), \ +	     "=d" ((USItype)(r)) \ +	: "0" ((USItype)(n0)), \ +	     "1" ((USItype)(n1)), \ +	     "rm" ((USItype)(d))) +#ifndef UMUL_TIME +#define UMUL_TIME 40 +#endif +#ifndef UDIV_TIME +#define UDIV_TIME 40 +#endif +#endif /* 80x86 */ + +/*************************************** +	**************  I860  ***************** +	***************************************/ +#if defined(__i860__) && W_TYPE_SIZE == 32 +#define rshift_rhlc(r, h, l, c) \ +	__asm__ ("shr %3,r0,r0\n" \ +	"shrd %1,%2,%0" \ +	   "=r" (r) : "r" (h), "r" (l), "rn" (c)) +#endif /* i860 */ + +/*************************************** +	**************  I960  ***************** +	***************************************/ +#if defined(__i960__) && W_TYPE_SIZE == 32 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +	__asm__ ("cmpo 1,0\n" \ +	"addc %5,%4,%1\n" \ +	"addc %3,%2,%0" \ +	: "=r" ((USItype)(sh)), \ +	     "=&r" ((USItype)(sl)) \ +	: "%dI" ((USItype)(ah)), \ +	     "dI" ((USItype)(bh)), \ +	     "%dI" ((USItype)(al)), \ +	     "dI" ((USItype)(bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +	__asm__ ("cmpo 0,0\n" \ +	"subc %5,%4,%1\n" \ +	"subc %3,%2,%0" \ +	: "=r" ((USItype)(sh)), \ +	     "=&r" ((USItype)(sl)) \ +	: "dI" ((USItype)(ah)), \ +	     "dI" ((USItype)(bh)), \ +	     "dI" ((USItype)(al)), \ +	     "dI" ((USItype)(bl))) +#define umul_ppmm(w1, w0, u, v) \ +	({union {UDItype __ll; \ +	   struct {USItype __l, __h; } __i; \ +	} __xx; \ +	__asm__ ("emul        %2,%1,%0" \ +	: "=d" (__xx.__ll) \ +	: "%dI" ((USItype)(u)), \ +	     "dI" ((USItype)(v))); \ +	(w1) = __xx.__i.__h; (w0) = __xx.__i.__l; }) +#define __umulsidi3(u, v) \ +	({UDItype __w; \ +	__asm__ ("emul      %2,%1,%0" \ +	: "=d" (__w) \ +	: "%dI" ((USItype)(u)), \ +	       "dI" ((USItype)(v))); \ +	__w; }) +#define udiv_qrnnd(q, r, nh, nl, d) \ +do { \ +	union {UDItype __ll; \ +	   struct {USItype __l, __h; } __i; \ +	} __nn; \ +	__nn.__i.__h = (nh); __nn.__i.__l = (nl); \ +	__asm__ ("ediv %d,%n,%0" \ +	: "=d" (__rq.__ll) \ +	: "dI" (__nn.__ll), \ +	     "dI" ((USItype)(d))); \ +	(r) = __rq.__i.__l; (q) = __rq.__i.__h; \ +} while (0) +#if defined(__i960mx)		/* what is the proper symbol to test??? */ +#define rshift_rhlc(r, h, l, c) \ +do { \ +	union {UDItype __ll; \ +	   struct {USItype __l, __h; } __i; \ +	} __nn; \ +	__nn.__i.__h = (h); __nn.__i.__l = (l); \ +	__asm__ ("shre %2,%1,%0" \ +	: "=d" (r) : "dI" (__nn.__ll), "dI" (c)); \ +} +#endif /* i960mx */ +#endif /* i960 */ + +/*************************************** +	**************  68000	**************** +	***************************************/ +#if (defined(__mc68000__) || defined(__mc68020__) || defined(__NeXT__) || defined(mc68020)) && W_TYPE_SIZE == 32 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +	__asm__ ("add%.l %5,%1\n" \ +	   "addx%.l %3,%0" \ +	: "=d" ((USItype)(sh)), \ +	     "=&d" ((USItype)(sl)) \ +	: "%0" ((USItype)(ah)), \ +	     "d" ((USItype)(bh)), \ +	     "%1" ((USItype)(al)), \ +	     "g" ((USItype)(bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +	__asm__ ("sub%.l %5,%1\n" \ +	   "subx%.l %3,%0" \ +	: "=d" ((USItype)(sh)), \ +	     "=&d" ((USItype)(sl)) \ +	: "0" ((USItype)(ah)), \ +	     "d" ((USItype)(bh)), \ +	     "1" ((USItype)(al)), \ +	     "g" ((USItype)(bl))) +#if (defined(__mc68020__) || defined(__NeXT__) || defined(mc68020)) +#define umul_ppmm(w1, w0, u, v) \ +	__asm__ ("mulu%.l %3,%1:%0" \ +	: "=d" ((USItype)(w0)), \ +	     "=d" ((USItype)(w1)) \ +	: "%0" ((USItype)(u)), \ +	     "dmi" ((USItype)(v))) +#define UMUL_TIME 45 +#define udiv_qrnnd(q, r, n1, n0, d) \ +	__asm__ ("divu%.l %4,%1:%0" \ +	: "=d" ((USItype)(q)), \ +	     "=d" ((USItype)(r)) \ +	: "0" ((USItype)(n0)), \ +	     "1" ((USItype)(n1)), \ +	     "dmi" ((USItype)(d))) +#define UDIV_TIME 90 +#define sdiv_qrnnd(q, r, n1, n0, d) \ +	__asm__ ("divs%.l %4,%1:%0" \ +	: "=d" ((USItype)(q)), \ +	     "=d" ((USItype)(r)) \ +	: "0" ((USItype)(n0)), \ +	     "1" ((USItype)(n1)), \ +	     "dmi" ((USItype)(d))) +#else /* not mc68020 */ +#define umul_ppmm(xh, xl, a, b) \ +do { USItype __umul_tmp1, __umul_tmp2; \ +	__asm__ ("| Inlined umul_ppmm\n" \ +	"move%.l %5,%3\n" \ +	"move%.l %2,%0\n" \ +	"move%.w %3,%1\n" \ +	"swap	%3\n" \ +	"swap	%0\n" \ +	"mulu	%2,%1\n" \ +	"mulu	%3,%0\n" \ +	"mulu	%2,%3\n" \ +	"swap	%2\n" \ +	"mulu	%5,%2\n" \ +	"add%.l	%3,%2\n" \ +	"jcc	1f\n" \ +	"add%.l	%#0x10000,%0\n" \ +	"1:	move%.l %2,%3\n" \ +	"clr%.w	%2\n" \ +	"swap	%2\n" \ +	"swap	%3\n" \ +	"clr%.w	%3\n" \ +	"add%.l	%3,%1\n" \ +	"addx%.l %2,%0\n" \ +	"| End inlined umul_ppmm" \ +	: "=&d" ((USItype)(xh)), "=&d" ((USItype)(xl)), \ +		"=d" (__umul_tmp1), "=&d" (__umul_tmp2) \ +	: "%2" ((USItype)(a)), "d" ((USItype)(b))); \ +} while (0) +#define UMUL_TIME 100 +#define UDIV_TIME 400 +#endif /* not mc68020 */ +#endif /* mc68000 */ + +/*************************************** +	**************  88000	**************** +	***************************************/ +#if defined(__m88000__) && W_TYPE_SIZE == 32 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +	__asm__ ("addu.co %1,%r4,%r5\n" \ +	   "addu.ci %0,%r2,%r3" \ +	: "=r" ((USItype)(sh)), \ +	     "=&r" ((USItype)(sl)) \ +	: "%rJ" ((USItype)(ah)), \ +	     "rJ" ((USItype)(bh)), \ +	     "%rJ" ((USItype)(al)), \ +	     "rJ" ((USItype)(bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +	__asm__ ("subu.co %1,%r4,%r5\n" \ +	   "subu.ci %0,%r2,%r3" \ +	: "=r" ((USItype)(sh)), \ +	     "=&r" ((USItype)(sl)) \ +	: "rJ" ((USItype)(ah)), \ +	     "rJ" ((USItype)(bh)), \ +	     "rJ" ((USItype)(al)), \ +	     "rJ" ((USItype)(bl))) +#if defined(__m88110__) +#define umul_ppmm(wh, wl, u, v) \ +do { \ +	union {UDItype __ll; \ +	   struct {USItype __h, __l; } __i; \ +	} __x; \ +	__asm__ ("mulu.d %0,%1,%2" : "=r" (__x.__ll) : "r" (u), "r" (v)); \ +	(wh) = __x.__i.__h; \ +	(wl) = __x.__i.__l; \ +} while (0) +#define udiv_qrnnd(q, r, n1, n0, d) \ +	({union {UDItype __ll; \ +	   struct {USItype __h, __l; } __i; \ +	} __x, __q; \ +	__x.__i.__h = (n1); __x.__i.__l = (n0); \ +	__asm__ ("divu.d %0,%1,%2" \ +	: "=r" (__q.__ll) : "r" (__x.__ll), "r" (d)); \ +	(r) = (n0) - __q.__l * (d); (q) = __q.__l; }) +#define UMUL_TIME 5 +#define UDIV_TIME 25 +#else +#define UMUL_TIME 17 +#define UDIV_TIME 150 +#endif /* __m88110__ */ +#endif /* __m88000__ */ + +/*************************************** +	**************  MIPS  ***************** +	***************************************/ +#if defined(__mips__) && W_TYPE_SIZE == 32 +#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4 +#define umul_ppmm(w1, w0, u, v)			\ +do {						\ +	UDItype __ll = (UDItype)(u) * (v);	\ +	w1 = __ll >> 32;			\ +	w0 = __ll;				\ +} while (0) +#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7 +#define umul_ppmm(w1, w0, u, v) \ +	__asm__ ("multu %2,%3" \ +	: "=l" ((USItype)(w0)), \ +	     "=h" ((USItype)(w1)) \ +	: "d" ((USItype)(u)), \ +	     "d" ((USItype)(v))) +#else +#define umul_ppmm(w1, w0, u, v) \ +	__asm__ ("multu %2,%3\n" \ +	   "mflo %0\n" \ +	   "mfhi %1" \ +	: "=d" ((USItype)(w0)), \ +	     "=d" ((USItype)(w1)) \ +	: "d" ((USItype)(u)), \ +	     "d" ((USItype)(v))) +#endif +#define UMUL_TIME 10 +#define UDIV_TIME 100 +#endif /* __mips__ */ + +/*************************************** +	**************  MIPS/64  ************** +	***************************************/ +#if (defined(__mips) && __mips >= 3) && W_TYPE_SIZE == 64 +#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4 +#define umul_ppmm(w1, w0, u, v) \ +do {									\ +	typedef unsigned int __ll_UTItype __attribute__((mode(TI)));	\ +	__ll_UTItype __ll = (__ll_UTItype)(u) * (v);			\ +	w1 = __ll >> 64;						\ +	w0 = __ll;							\ +} while (0) +#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7 +#define umul_ppmm(w1, w0, u, v) \ +	__asm__ ("dmultu %2,%3" \ +	: "=l" ((UDItype)(w0)), \ +	     "=h" ((UDItype)(w1)) \ +	: "d" ((UDItype)(u)), \ +	     "d" ((UDItype)(v))) +#else +#define umul_ppmm(w1, w0, u, v) \ +	__asm__ ("dmultu %2,%3\n" \ +	   "mflo %0\n" \ +	   "mfhi %1" \ +	: "=d" ((UDItype)(w0)), \ +	     "=d" ((UDItype)(w1)) \ +	: "d" ((UDItype)(u)), \ +	     "d" ((UDItype)(v))) +#endif +#define UMUL_TIME 20 +#define UDIV_TIME 140 +#endif /* __mips__ */ + +/*************************************** +	**************  32000	**************** +	***************************************/ +#if defined(__ns32000__) && W_TYPE_SIZE == 32 +#define umul_ppmm(w1, w0, u, v) \ +	({union {UDItype __ll; \ +	   struct {USItype __l, __h; } __i; \ +	} __xx; \ +	__asm__ ("meid %2,%0" \ +	: "=g" (__xx.__ll) \ +	: "%0" ((USItype)(u)), \ +	     "g" ((USItype)(v))); \ +	(w1) = __xx.__i.__h; (w0) = __xx.__i.__l; }) +#define __umulsidi3(u, v) \ +	({UDItype __w; \ +	__asm__ ("meid %2,%0" \ +	: "=g" (__w) \ +	: "%0" ((USItype)(u)), \ +	       "g" ((USItype)(v))); \ +	__w; }) +#define udiv_qrnnd(q, r, n1, n0, d) \ +	({union {UDItype __ll; \ +	   struct {USItype __l, __h; } __i; \ +	} __xx; \ +	__xx.__i.__h = (n1); __xx.__i.__l = (n0); \ +	__asm__ ("deid %2,%0" \ +	: "=g" (__xx.__ll) \ +	: "0" (__xx.__ll), \ +	     "g" ((USItype)(d))); \ +	(r) = __xx.__i.__l; (q) = __xx.__i.__h; }) +#endif /* __ns32000__ */ + +/*************************************** +	**************  PPC  ****************** +	***************************************/ +#if (defined(_ARCH_PPC) || defined(_IBMR2)) && W_TYPE_SIZE == 32 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +do { \ +	if (__builtin_constant_p(bh) && (bh) == 0) \ +		__asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{aze|addze} %0,%2" \ +		: "=r" ((USItype)(sh)), \ +		"=&r" ((USItype)(sl)) \ +		: "%r" ((USItype)(ah)), \ +		"%r" ((USItype)(al)), \ +		"rI" ((USItype)(bl))); \ +	else if (__builtin_constant_p(bh) && (bh) == ~(USItype) 0) \ +		__asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{ame|addme} %0,%2" \ +		: "=r" ((USItype)(sh)), \ +		"=&r" ((USItype)(sl)) \ +		: "%r" ((USItype)(ah)), \ +		"%r" ((USItype)(al)), \ +		"rI" ((USItype)(bl))); \ +	else \ +		__asm__ ("{a%I5|add%I5c} %1,%4,%5\n\t{ae|adde} %0,%2,%3" \ +		: "=r" ((USItype)(sh)), \ +		"=&r" ((USItype)(sl)) \ +		: "%r" ((USItype)(ah)), \ +		"r" ((USItype)(bh)), \ +		"%r" ((USItype)(al)), \ +		"rI" ((USItype)(bl))); \ +} while (0) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +do { \ +	if (__builtin_constant_p(ah) && (ah) == 0) \ +		__asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfze|subfze} %0,%2" \ +		: "=r" ((USItype)(sh)), \ +		"=&r" ((USItype)(sl)) \ +		: "r" ((USItype)(bh)), \ +		"rI" ((USItype)(al)), \ +		"r" ((USItype)(bl))); \ +	else if (__builtin_constant_p(ah) && (ah) == ~(USItype) 0) \ +		__asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfme|subfme} %0,%2" \ +		: "=r" ((USItype)(sh)), \ +		"=&r" ((USItype)(sl)) \ +		: "r" ((USItype)(bh)), \ +		"rI" ((USItype)(al)), \ +		"r" ((USItype)(bl))); \ +	else if (__builtin_constant_p(bh) && (bh) == 0) \ +		__asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{ame|addme} %0,%2" \ +		: "=r" ((USItype)(sh)), \ +		"=&r" ((USItype)(sl)) \ +		: "r" ((USItype)(ah)), \ +		"rI" ((USItype)(al)), \ +		"r" ((USItype)(bl))); \ +	else if (__builtin_constant_p(bh) && (bh) == ~(USItype) 0) \ +		__asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{aze|addze} %0,%2" \ +		: "=r" ((USItype)(sh)), \ +		"=&r" ((USItype)(sl)) \ +		: "r" ((USItype)(ah)), \ +		"rI" ((USItype)(al)), \ +		"r" ((USItype)(bl))); \ +	else \ +		__asm__ ("{sf%I4|subf%I4c} %1,%5,%4\n\t{sfe|subfe} %0,%3,%2" \ +		: "=r" ((USItype)(sh)), \ +		"=&r" ((USItype)(sl)) \ +		: "r" ((USItype)(ah)), \ +		"r" ((USItype)(bh)), \ +		"rI" ((USItype)(al)), \ +		"r" ((USItype)(bl))); \ +} while (0) +#if defined(_ARCH_PPC) +#define umul_ppmm(ph, pl, m0, m1) \ +do { \ +	USItype __m0 = (m0), __m1 = (m1); \ +	__asm__ ("mulhwu %0,%1,%2" \ +	: "=r" ((USItype) ph) \ +	: "%r" (__m0), \ +	"r" (__m1)); \ +	(pl) = __m0 * __m1; \ +} while (0) +#define UMUL_TIME 15 +#define smul_ppmm(ph, pl, m0, m1) \ +do { \ +	SItype __m0 = (m0), __m1 = (m1); \ +	__asm__ ("mulhw %0,%1,%2" \ +	: "=r" ((SItype) ph) \ +	: "%r" (__m0), \ +	"r" (__m1)); \ +	(pl) = __m0 * __m1; \ +} while (0) +#define SMUL_TIME 14 +#define UDIV_TIME 120 +#else +#define umul_ppmm(xh, xl, m0, m1) \ +do { \ +	USItype __m0 = (m0), __m1 = (m1); \ +	__asm__ ("mul %0,%2,%3" \ +	: "=r" ((USItype)(xh)), \ +	"=q" ((USItype)(xl)) \ +	: "r" (__m0), \ +	"r" (__m1)); \ +	(xh) += ((((SItype) __m0 >> 31) & __m1) \ +	+ (((SItype) __m1 >> 31) & __m0)); \ +} while (0) +#define UMUL_TIME 8 +#define smul_ppmm(xh, xl, m0, m1) \ +	__asm__ ("mul %0,%2,%3" \ +	: "=r" ((SItype)(xh)), \ +	"=q" ((SItype)(xl)) \ +	: "r" (m0), \ +	"r" (m1)) +#define SMUL_TIME 4 +#define sdiv_qrnnd(q, r, nh, nl, d) \ +	__asm__ ("div %0,%2,%4" \ +	: "=r" ((SItype)(q)), "=q" ((SItype)(r)) \ +	: "r" ((SItype)(nh)), "1" ((SItype)(nl)), "r" ((SItype)(d))) +#define UDIV_TIME 100 +#endif +#endif /* Power architecture variants.  */ + +/*************************************** +	**************  PYR  ****************** +	***************************************/ +#if defined(__pyr__) && W_TYPE_SIZE == 32 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +	__asm__ ("addw        %5,%1\n" \ +	"addwc	%3,%0" \ +	: "=r" ((USItype)(sh)), \ +	"=&r" ((USItype)(sl)) \ +	: "%0" ((USItype)(ah)), \ +	"g" ((USItype)(bh)), \ +	"%1" ((USItype)(al)), \ +	"g" ((USItype)(bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +	__asm__ ("subw        %5,%1\n" \ +	"subwb	%3,%0" \ +	: "=r" ((USItype)(sh)), \ +	"=&r" ((USItype)(sl)) \ +	: "0" ((USItype)(ah)), \ +	"g" ((USItype)(bh)), \ +	"1" ((USItype)(al)), \ +	"g" ((USItype)(bl))) +	/* This insn works on Pyramids with AP, XP, or MI CPUs, but not with SP.  */ +#define umul_ppmm(w1, w0, u, v) \ +	({union {UDItype __ll; \ +	struct {USItype __h, __l; } __i; \ +	} __xx; \ +	__asm__ ("movw %1,%R0\n" \ +	"uemul %2,%0" \ +	: "=&r" (__xx.__ll) \ +	: "g" ((USItype) (u)), \ +	"g" ((USItype)(v))); \ +	(w1) = __xx.__i.__h; (w0) = __xx.__i.__l; }) +#endif /* __pyr__ */ + +/*************************************** +	**************  RT/ROMP  ************** +	***************************************/ +#if defined(__ibm032__) /* RT/ROMP */	&& W_TYPE_SIZE == 32 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +	__asm__ ("a %1,%5\n" \ +	"ae %0,%3" \ +	: "=r" ((USItype)(sh)), \ +	"=&r" ((USItype)(sl)) \ +	: "%0" ((USItype)(ah)), \ +	"r" ((USItype)(bh)), \ +	"%1" ((USItype)(al)), \ +	"r" ((USItype)(bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +	__asm__ ("s %1,%5\n" \ +	"se %0,%3" \ +	: "=r" ((USItype)(sh)), \ +	"=&r" ((USItype)(sl)) \ +	: "0" ((USItype)(ah)), \ +	"r" ((USItype)(bh)), \ +	"1" ((USItype)(al)), \ +	"r" ((USItype)(bl))) +#define umul_ppmm(ph, pl, m0, m1) \ +do { \ +	USItype __m0 = (m0), __m1 = (m1); \ +	__asm__ ( \ +	"s       r2,r2\n" \ +	"mts	r10,%2\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"m	r2,%3\n" \ +	"cas	%0,r2,r0\n" \ +	"mfs	r10,%1" \ +	: "=r" ((USItype)(ph)), \ +	"=r" ((USItype)(pl)) \ +	: "%r" (__m0), \ +	"r" (__m1) \ +	: "r2"); \ +	(ph) += ((((SItype) __m0 >> 31) & __m1) \ +	+ (((SItype) __m1 >> 31) & __m0)); \ +} while (0) +#define UMUL_TIME 20 +#define UDIV_TIME 200 +#endif /* RT/ROMP */ + +/*************************************** +	**************  SH2  ****************** +	***************************************/ +#if (defined(__sh2__) || defined(__sh3__) || defined(__SH4__)) \ +	&& W_TYPE_SIZE == 32 +#define umul_ppmm(w1, w0, u, v) \ +	__asm__ ( \ +	"dmulu.l %2,%3\n" \ +	"sts	macl,%1\n" \ +	"sts	mach,%0" \ +	: "=r" ((USItype)(w1)), \ +	"=r" ((USItype)(w0)) \ +	: "r" ((USItype)(u)), \ +	"r" ((USItype)(v)) \ +	: "macl", "mach") +#define UMUL_TIME 5 +#endif + +/*************************************** +	**************  SPARC	**************** +	***************************************/ +#if defined(__sparc__) && W_TYPE_SIZE == 32 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +	__asm__ ("addcc %r4,%5,%1\n" \ +	"addx %r2,%3,%0" \ +	: "=r" ((USItype)(sh)), \ +	"=&r" ((USItype)(sl)) \ +	: "%rJ" ((USItype)(ah)), \ +	"rI" ((USItype)(bh)), \ +	"%rJ" ((USItype)(al)), \ +	"rI" ((USItype)(bl)) \ +	__CLOBBER_CC) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +	__asm__ ("subcc %r4,%5,%1\n" \ +	"subx %r2,%3,%0" \ +	: "=r" ((USItype)(sh)), \ +	"=&r" ((USItype)(sl)) \ +	: "rJ" ((USItype)(ah)), \ +	"rI" ((USItype)(bh)), \ +	"rJ" ((USItype)(al)), \ +	"rI" ((USItype)(bl)) \ +	__CLOBBER_CC) +#if defined(__sparc_v8__) +/* Don't match immediate range because, 1) it is not often useful, +	2) the 'I' flag thinks of the range as a 13 bit signed interval, +	while we want to match a 13 bit interval, sign extended to 32 bits, +	but INTERPRETED AS UNSIGNED.  */ +#define umul_ppmm(w1, w0, u, v) \ +	__asm__ ("umul %2,%3,%1;rd %%y,%0" \ +	: "=r" ((USItype)(w1)), \ +	"=r" ((USItype)(w0)) \ +	: "r" ((USItype)(u)), \ +	"r" ((USItype)(v))) +#define UMUL_TIME 5 +#ifndef SUPERSPARC		/* SuperSPARC's udiv only handles 53 bit dividends */ +#define udiv_qrnnd(q, r, n1, n0, d) \ +do { \ +	USItype __q; \ +	__asm__ ("mov %1,%%y;nop;nop;nop;udiv %2,%3,%0" \ +	: "=r" ((USItype)(__q)) \ +	: "r" ((USItype)(n1)), \ +	"r" ((USItype)(n0)), \ +	"r" ((USItype)(d))); \ +	(r) = (n0) - __q * (d); \ +	(q) = __q; \ +} while (0) +#define UDIV_TIME 25 +#endif /* SUPERSPARC */ +#else /* ! __sparc_v8__ */ +#if defined(__sparclite__) +/* This has hardware multiply but not divide.  It also has two additional +	instructions scan (ffs from high bit) and divscc.  */ +#define umul_ppmm(w1, w0, u, v) \ +	__asm__ ("umul %2,%3,%1;rd %%y,%0" \ +	: "=r" ((USItype)(w1)), \ +	"=r" ((USItype)(w0)) \ +	: "r" ((USItype)(u)), \ +	"r" ((USItype)(v))) +#define UMUL_TIME 5 +#define udiv_qrnnd(q, r, n1, n0, d) \ +	__asm__ ("! Inlined udiv_qrnnd\n" \ +	"wr	%%g0,%2,%%y	! Not a delayed write for sparclite\n" \ +	"tst	%%g0\n" \ +	"divscc	%3,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%%g1\n" \ +	"divscc	%%g1,%4,%0\n" \ +	"rd	%%y,%1\n" \ +	"bl,a 1f\n" \ +	"add	%1,%4,%1\n" \ +	"1:	! End of inline udiv_qrnnd" \ +	: "=r" ((USItype)(q)), \ +	"=r" ((USItype)(r)) \ +	: "r" ((USItype)(n1)), \ +	"r" ((USItype)(n0)), \ +	"rI" ((USItype)(d)) \ +	: "%g1" __AND_CLOBBER_CC) +#define UDIV_TIME 37 +#endif /* __sparclite__ */ +#endif /* __sparc_v8__ */ +	/* Default to sparc v7 versions of umul_ppmm and udiv_qrnnd.  */ +#ifndef umul_ppmm +#define umul_ppmm(w1, w0, u, v) \ +	__asm__ ("! Inlined umul_ppmm\n" \ +	"wr	%%g0,%2,%%y	! SPARC has 0-3 delay insn after a wr\n" \ +	"sra	%3,31,%%g2	! Don't move this insn\n" \ +	"and	%2,%%g2,%%g2	! Don't move this insn\n" \ +	"andcc	%%g0,0,%%g1	! Don't move this insn\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,%3,%%g1\n" \ +	"mulscc	%%g1,0,%%g1\n" \ +	"add	%%g1,%%g2,%0\n" \ +	"rd	%%y,%1" \ +	: "=r" ((USItype)(w1)), \ +	"=r" ((USItype)(w0)) \ +	: "%rI" ((USItype)(u)), \ +	"r" ((USItype)(v)) \ +	: "%g1", "%g2" __AND_CLOBBER_CC) +#define UMUL_TIME 39		/* 39 instructions */ +/* It's quite necessary to add this much assembler for the sparc. +   The default udiv_qrnnd (in C) is more than 10 times slower!  */ +#define udiv_qrnnd(q, r, n1, n0, d) \ +  __asm__ ("! Inlined udiv_qrnnd\n\t"					\ +	   "mov	32,%%g1\n\t"						\ +	   "subcc	%1,%2,%%g0\n\t"					\ +	   "1:	bcs	5f\n\t"						\ +	   "addxcc %0,%0,%0	! shift n1n0 and a q-bit in lsb\n\t"	\ +	   "sub	%1,%2,%1	! this kills msb of n\n\t"		\ +	   "addx	%1,%1,%1	! so this can't give carry\n\t"	\ +	   "subcc	%%g1,1,%%g1\n\t"				\ +	   "2:	bne	1b\n\t"						\ +	   "subcc	%1,%2,%%g0\n\t"					\ +	   "bcs	3f\n\t"							\ +	   "addxcc %0,%0,%0	! shift n1n0 and a q-bit in lsb\n\t"	\ +	   "b		3f\n\t"						\ +	   "sub	%1,%2,%1	! this kills msb of n\n\t"		\ +	   "4:	sub	%1,%2,%1\n\t"					\ +	   "5:	addxcc	%1,%1,%1\n\t"					\ +	   "bcc	2b\n\t"							\ +	   "subcc	%%g1,1,%%g1\n\t"				\ +	   "! Got carry from n.  Subtract next step to cancel this carry.\n\t" \ +	   "bne	4b\n\t"							\ +	   "addcc	%0,%0,%0	! shift n1n0 and a 0-bit in lsb\n\t" \ +	   "sub	%1,%2,%1\n\t"						\ +	   "3:	xnor	%0,0,%0\n\t"					\ +	   "! End of inline udiv_qrnnd\n"				\ +	   : "=&r" ((USItype)(q)),					\ +	     "=&r" ((USItype)(r))					\ +	   : "r" ((USItype)(d)),					\ +	     "1" ((USItype)(n1)),					\ +	     "0" ((USItype)(n0)) : "%g1", "cc") +#define UDIV_TIME (3+7*32)      /* 7 instructions/iteration. 32 iterations.  */ +#endif +#endif /* __sparc__ */ + +/*************************************** +	**************  VAX  ****************** +	***************************************/ +#if defined(__vax__) && W_TYPE_SIZE == 32 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +	__asm__ ("addl2 %5,%1\n" \ +	"adwc %3,%0" \ +	: "=g" ((USItype)(sh)), \ +	"=&g" ((USItype)(sl)) \ +	: "%0" ((USItype)(ah)), \ +	"g" ((USItype)(bh)), \ +	"%1" ((USItype)(al)), \ +	"g" ((USItype)(bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +	__asm__ ("subl2 %5,%1\n" \ +	"sbwc %3,%0" \ +	: "=g" ((USItype)(sh)), \ +	"=&g" ((USItype)(sl)) \ +	: "0" ((USItype)(ah)), \ +	"g" ((USItype)(bh)), \ +	"1" ((USItype)(al)), \ +	"g" ((USItype)(bl))) +#define umul_ppmm(xh, xl, m0, m1) \ +do { \ +	union {UDItype __ll; \ +	struct {USItype __l, __h; } __i; \ +	} __xx; \ +	USItype __m0 = (m0), __m1 = (m1); \ +	__asm__ ("emul %1,%2,$0,%0" \ +	: "=g" (__xx.__ll) \ +	: "g" (__m0), \ +	"g" (__m1)); \ +	(xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \ +	(xh) += ((((SItype) __m0 >> 31) & __m1) \ +	+ (((SItype) __m1 >> 31) & __m0)); \ +} while (0) +#define sdiv_qrnnd(q, r, n1, n0, d) \ +do { \ +	union {DItype __ll; \ +	struct {SItype __l, __h; } __i; \ +	} __xx; \ +	__xx.__i.__h = n1; __xx.__i.__l = n0; \ +	__asm__ ("ediv %3,%2,%0,%1" \ +	: "=g" (q), "=g" (r) \ +	: "g" (__xx.__ll), "g" (d)); \ +} while (0) +#endif /* __vax__ */ + +/*************************************** +	**************  Z8000	**************** +	***************************************/ +#if defined(__z8000__) && W_TYPE_SIZE == 16 +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +	__asm__ ("add %H1,%H5\n\tadc  %H0,%H3" \ +	: "=r" ((unsigned int)(sh)), \ +	"=&r" ((unsigned int)(sl)) \ +	: "%0" ((unsigned int)(ah)), \ +	"r" ((unsigned int)(bh)), \ +	"%1" ((unsigned int)(al)), \ +	"rQR" ((unsigned int)(bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +	__asm__ ("sub %H1,%H5\n\tsbc  %H0,%H3" \ +	: "=r" ((unsigned int)(sh)), \ +	"=&r" ((unsigned int)(sl)) \ +	: "0" ((unsigned int)(ah)), \ +	"r" ((unsigned int)(bh)), \ +	"1" ((unsigned int)(al)), \ +	"rQR" ((unsigned int)(bl))) +#define umul_ppmm(xh, xl, m0, m1) \ +do { \ +	union {long int __ll; \ +	struct {unsigned int __h, __l; } __i; \ +	} __xx; \ +	unsigned int __m0 = (m0), __m1 = (m1); \ +	__asm__ ("mult      %S0,%H3" \ +	: "=r" (__xx.__i.__h), \ +	"=r" (__xx.__i.__l) \ +	: "%1" (__m0), \ +	"rQR" (__m1)); \ +	(xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \ +	(xh) += ((((signed int) __m0 >> 15) & __m1) \ +	+ (((signed int) __m1 >> 15) & __m0)); \ +} while (0) +#endif /* __z8000__ */ + +#endif /* __GNUC__ */ + +/*************************************** +	***********  Generic Versions	******** +	***************************************/ +#if !defined(umul_ppmm) && defined(__umulsidi3) +#define umul_ppmm(ph, pl, m0, m1) \ +{ \ +	UDWtype __ll = __umulsidi3(m0, m1); \ +	ph = (UWtype) (__ll >> W_TYPE_SIZE); \ +	pl = (UWtype) __ll; \ +} +#endif + +#if !defined(__umulsidi3) +#define __umulsidi3(u, v) \ +	({UWtype __hi, __lo; \ +	umul_ppmm(__hi, __lo, u, v); \ +	((UDWtype) __hi << W_TYPE_SIZE) | __lo; }) +#endif + +	/* If this machine has no inline assembler, use C macros.  */ + +#if !defined(add_ssaaaa) +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ +do { \ +	UWtype __x; \ +	__x = (al) + (bl); \ +	(sh) = (ah) + (bh) + (__x < (al)); \ +	(sl) = __x; \ +} while (0) +#endif + +#if !defined(sub_ddmmss) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ +do { \ +	UWtype __x; \ +	__x = (al) - (bl); \ +	(sh) = (ah) - (bh) - (__x > (al)); \ +	(sl) = __x; \ +} while (0) +#endif + +#if !defined(umul_ppmm) +#define umul_ppmm(w1, w0, u, v) \ +do { \ +	UWtype __x0, __x1, __x2, __x3; \ +	UHWtype __ul, __vl, __uh, __vh; \ +	UWtype __u = (u), __v = (v); \ +	\ +	__ul = __ll_lowpart(__u); \ +	__uh = __ll_highpart(__u); \ +	__vl = __ll_lowpart(__v); \ +	__vh = __ll_highpart(__v); \ +	\ +	__x0 = (UWtype) __ul * __vl; \ +	__x1 = (UWtype) __ul * __vh; \ +	__x2 = (UWtype) __uh * __vl; \ +	__x3 = (UWtype) __uh * __vh; \ +	\ +	__x1 += __ll_highpart(__x0);/* this can't give carry */ \ +	__x1 += __x2;		/* but this indeed can */ \ +	if (__x1 < __x2)		/* did we get it? */ \ +	__x3 += __ll_B;		/* yes, add it in the proper pos. */ \ +	\ +	(w1) = __x3 + __ll_highpart(__x1); \ +	(w0) = (__ll_lowpart(__x1) << W_TYPE_SIZE/2) + __ll_lowpart(__x0); \ +} while (0) +#endif + +#if !defined(umul_ppmm) +#define smul_ppmm(w1, w0, u, v) \ +do { \ +	UWtype __w1; \ +	UWtype __m0 = (u), __m1 = (v); \ +	umul_ppmm(__w1, w0, __m0, __m1); \ +	(w1) = __w1 - (-(__m0 >> (W_TYPE_SIZE - 1)) & __m1) \ +	- (-(__m1 >> (W_TYPE_SIZE - 1)) & __m0); \ +} while (0) +#endif + +	/* Define this unconditionally, so it can be used for debugging.  */ +#define __udiv_qrnnd_c(q, r, n1, n0, d) \ +do { \ +	UWtype __d1, __d0, __q1, __q0, __r1, __r0, __m; \ +	__d1 = __ll_highpart(d); \ +	__d0 = __ll_lowpart(d); \ +	\ +	__r1 = (n1) % __d1; \ +	__q1 = (n1) / __d1; \ +	__m = (UWtype) __q1 * __d0; \ +	__r1 = __r1 * __ll_B | __ll_highpart(n0); \ +	if (__r1 < __m) { \ +		__q1--, __r1 += (d); \ +		if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */ \ +		if (__r1 < __m) \ +			__q1--, __r1 += (d); \ +	} \ +	__r1 -= __m; \ +	\ +	__r0 = __r1 % __d1; \ +	__q0 = __r1 / __d1; \ +	__m = (UWtype) __q0 * __d0; \ +	__r0 = __r0 * __ll_B | __ll_lowpart(n0); \ +	if (__r0 < __m) { \ +		__q0--, __r0 += (d); \ +		if (__r0 >= (d)) \ +			if (__r0 < __m) \ +				__q0--, __r0 += (d); \ +	} \ +	__r0 -= __m; \ +	\ +	(q) = (UWtype) __q1 * __ll_B | __q0; \ +	(r) = __r0; \ +} while (0) + +/* If the processor has no udiv_qrnnd but sdiv_qrnnd, go through +	__udiv_w_sdiv (defined in libgcc or elsewhere).  */ +#if !defined(udiv_qrnnd) && defined(sdiv_qrnnd) +#define udiv_qrnnd(q, r, nh, nl, d) \ +do { \ +	UWtype __r; \ +	(q) = __MPN(udiv_w_sdiv) (&__r, nh, nl, d); \ +	(r) = __r; \ +} while (0) +#endif + +	/* If udiv_qrnnd was not defined for this processor, use __udiv_qrnnd_c.  */ +#if !defined(udiv_qrnnd) +#define UDIV_NEEDS_NORMALIZATION 1 +#define udiv_qrnnd __udiv_qrnnd_c +#endif + +#ifndef UDIV_NEEDS_NORMALIZATION +#define UDIV_NEEDS_NORMALIZATION 0 +#endif  | 
