diff options
Diffstat (limited to 'stdlib')
| -rw-r--r-- | stdlib/longlong.h | 1428 |
1 files changed, 588 insertions, 840 deletions
diff --git a/stdlib/longlong.h b/stdlib/longlong.h index d45e824322..d1859ef58f 100644 --- a/stdlib/longlong.h +++ b/stdlib/longlong.h @@ -1,96 +1,69 @@ /* longlong.h -- definitions for mixed size 32/64 bit arithmetic. - Copyright (C) 1991,92,93,94,96,97,98,99 Free Software Foundation, Inc. - This file is part of the GNU C Library. + Copyright (C) 1991, 92, 94, 95, 96, 1997, 1998 Free Software Foundation, Inc. - The GNU C Library 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 definition file is free software; you can redistribute it + and/or modify it under the terms of the GNU General Public + License as published by the Free Software Foundation; either + version 2, or (at your option) any later version. - The GNU C Library 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. + This definition 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 General Public License for more details. - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -/* 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 +#ifndef SI_TYPE_SIZE +#define SI_TYPE_SIZE 32 #endif -#ifndef __P -# if defined __GNUC__ || (defined (__STDC__) && __STDC__) \ - || defined (__cplusplus) -# define __P(args) args -# else -# define __P(args) () -# endif -#endif +#define __BITS4 (SI_TYPE_SIZE / 4) +#define __ll_B (1L << (SI_TYPE_SIZE / 2)) +#define __ll_lowpart(t) ((USItype) (t) % __ll_B) +#define __ll_highpart(t) ((USItype) (t) / __ll_B) /* 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. + 1) umul_ppmm(high_prod, low_prod, multipler, multiplicand) + multiplies two USItype integers MULTIPLER and MULTIPLICAND, + and generates a two-part USItype 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. + 2) __umulsidi3(a,b) multiplies two USItype integers A and B, + and returns a UDItype 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. + denominator) divides a two-word unsigned integer, composed by the + 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, + 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. This is the number of steps X + needs to be shifted left to set the msb. Undefined for X == 0. + + 6) add_ssaaaa(high_sum, low_sum, high_addend_1, low_addend_1, + high_addend_2, low_addend_2) adds two two-word unsigned 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. + + 7) sub_ddmmss(high_difference, low_difference, high_minuend, + low_minuend, high_subtrahend, low_subtrahend) subtracts two + two-word unsigned 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, @@ -99,7 +72,8 @@ /* The CPUs come in alphabetical order below. Please add support for more CPUs here, or improve the current support - for the CPUs below! */ + for the CPUs below! + (E.g. WE32100, IBM360.) */ #if defined (__GNUC__) && !defined (NO_ASM) @@ -113,126 +87,133 @@ #define __AND_CLOBBER_CC , "cc" #endif /* __GNUC__ < 2 */ -#if (defined (__a29k__) || defined (_AM29K)) && W_TYPE_SIZE == 32 +#if defined (__a29k__) || defined (_AM29K) #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("add %1,%4,%5 addc %0,%2,%3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%r" ((USItype)(ah)), \ - "rI" ((USItype)(bh)), \ - "%r" ((USItype)(al)), \ - "rI" ((USItype)(bl))) + : "=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 subc %0,%2,%3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(ah)), \ - "rI" ((USItype)(bh)), \ - "r" ((USItype)(al)), \ - "rI" ((USItype)(bl))) + : "=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" ((USItype) (xl)) \ : "r" (__m0), \ "r" (__m1)); \ __asm__ ("multmu %0,%1,%2" \ - : "=r" ((USItype)(xh)) \ + : "=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))) + : "=r" ((USItype) (q)), \ + "=q" ((USItype) (r)) \ + : "1" ((USItype) (n1)), \ + "r" ((USItype) (n0)), \ + "r" ((USItype) (d))) #define count_leading_zeros(count, x) \ __asm__ ("clz %0,%1" \ - : "=r" ((USItype)(count)) \ - : "r" ((USItype)(x))) -#define COUNT_LEADING_ZEROS_0 32 + : "=r" ((USItype) (count)) \ + : "r" ((USItype) (x))) #endif /* __a29k__ */ -#if defined (__alpha) && W_TYPE_SIZE == 64 -#define umul_ppmm(ph, pl, m0, m1) \ - do { \ - UDItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("umulh %r1,%2,%0" \ - : "=r" ((UDItype) ph) \ - : "%rJ" (__m0), \ - "rI" (__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 __P ((UDItype *, UDItype, UDItype, UDItype)); -#define UDIV_TIME 220 -#endif /* LONGLONG_STANDALONE */ -#endif /* __alpha */ +#if defined (__arc__) +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ + __asm__ ("add.f %1, %4, %5 + adc %0, %2, %3" \ + : "=r" ((USItype) (sh)), \ + "=&r" ((USItype) (sl)) \ + : "%r" ((USItype) (ah)), \ + "rIJ" ((USItype) (bh)), \ + "%r" ((USItype) (al)), \ + "rIJ" ((USItype) (bl))) +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ + __asm__ ("sub.f %1, %4, %5 + sbc %0, %2, %3" \ + : "=r" ((USItype) (sh)), \ + "=&r" ((USItype) (sl)) \ + : "r" ((USItype) (ah)), \ + "rIJ" ((USItype) (bh)), \ + "r" ((USItype) (al)), \ + "rIJ" ((USItype) (bl))) +/* Call libgcc1 routine. */ +#define umul_ppmm(w1, w0, u, v) \ +do { \ + DIunion __w; \ + __w.ll = __umulsidi3 (u, v); \ + w1 = __w.s.high; \ + w0 = __w.s.low; \ +} while (0) +#define __umulsidi3 __umulsidi3 +UDItype __umulsidi3 (USItype, USItype); +#endif -#if defined (__arm__) && W_TYPE_SIZE == 32 +#if defined (__arm__) #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("adds %1, %4, %5 adc %0, %2, %3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%r" ((USItype)(ah)), \ - "rI" ((USItype)(bh)), \ - "%r" ((USItype)(al)), \ - "rI" ((USItype)(bl))) + : "=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 sbc %0, %2, %3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(ah)), \ - "rI" ((USItype)(bh)), \ - "r" ((USItype)(al)), \ - "rI" ((USItype)(bl))) -#if 0 + : "=r" ((USItype) (sh)), \ + "=&r" ((USItype) (sl)) \ + : "r" ((USItype) (ah)), \ + "rI" ((USItype) (bh)), \ + "r" ((USItype) (al)), \ + "rI" ((USItype) (bl))) #define umul_ppmm(xh, xl, a, b) \ +{register USItype __t0, __t1, __t2; \ __asm__ ("%@ Inlined umul_ppmm - mov %|r0, %2, lsr #16 - mov %|r2, %3, lsr #16 - bic %|r1, %2, %|r0, lsl #16 - bic %|r2, %3, %|r2, lsl #16 - mul %1, %|r1, %|r2 - mul %|r2, %|r0, %|r2 - mul %|r1, %0, %|r1 - mul %0, %|r0, %0 - adds %|r1, %|r2, %|r1 + mov %2, %5, lsr #16 + mov %0, %6, lsr #16 + bic %3, %5, %2, lsl #16 + bic %4, %6, %0, lsl #16 + mul %1, %3, %4 + mul %4, %2, %4 + mul %3, %0, %3 + mul %0, %2, %0 + adds %3, %4, %3 addcs %0, %0, #65536 - adds %1, %1, %|r1, lsl #16 - adc %0, %0, %|r1, lsr #16" \ - : "=&r" ((USItype)(xh)), \ - "=r" ((USItype)(xl)) \ - : "r" ((USItype)(a)), \ - "r" ((USItype)(b)) \ - : "r0", "r1", "r2") + adds %1, %1, %3, lsl #16 + adc %0, %0, %3, lsr #16" \ + : "=&r" ((USItype) (xh)), \ + "=r" ((USItype) (xl)), \ + "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \ + : "r" ((USItype) (a)), \ + "r" ((USItype) (b)));} #define UMUL_TIME 20 #define UDIV_TIME 100 -#endif #endif /* __arm__ */ -#if defined (__clipper__) && W_TYPE_SIZE == 32 +#if defined (__clipper__) #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))); \ + : "%0" ((USItype) (u)), \ + "r" ((USItype) (v))); \ (w1) = __xx.__i.__h; (w0) = __xx.__i.__l;}) #define smul_ppmm(w1, w0, u, v) \ ({union {DItype __ll; \ @@ -240,103 +221,96 @@ extern UDItype __udiv_qrnnd __P ((UDItype *, UDItype, UDItype, UDItype)); } __xx; \ __asm__ ("mulwx %2,%0" \ : "=r" (__xx.__ll) \ - : "%0" ((SItype)(u)), \ - "r" ((SItype)(v))); \ + : "%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))); \ + : "%0" ((USItype) (u)), \ + "r" ((USItype) (v))); \ __w; }) #endif /* __clipper__ */ -#if defined (__gmicro__) && W_TYPE_SIZE == 32 +#if defined (__gmicro__) #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("add.w %5,%1 addx %3,%0" \ - : "=g" ((USItype)(sh)), \ - "=&g" ((USItype)(sl)) \ - : "%0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "%1" ((USItype)(al)), \ - "g" ((USItype)(bl))) + : "=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 subx %3,%0" \ - : "=g" ((USItype)(sh)), \ - "=&g" ((USItype)(sl)) \ - : "0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "1" ((USItype)(al)), \ - "g" ((USItype)(bl))) + : "=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))) + : "=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))) + : "=g" ((USItype) (q)), \ + "=r" ((USItype) (r)) \ + : "1" ((USItype) (nh)), \ + "0" ((USItype) (nl)), \ + "g" ((USItype) (d))) #define count_leading_zeros(count, x) \ __asm__ ("bsch/1 %1,%0" \ : "=g" (count) \ - : "g" ((USItype)(x)), \ - "0" ((USItype)0)) + : "g" ((USItype) (x)), \ + "0" ((USItype) 0)) #endif -#if defined (__hppa) && W_TYPE_SIZE == 32 +#if defined (__hppa) #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("add %4,%5,%1 addc %2,%3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%rM" ((USItype)(ah)), \ - "rM" ((USItype)(bh)), \ - "%rM" ((USItype)(al)), \ - "rM" ((USItype)(bl))) + : "=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 subb %2,%3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "rM" ((USItype)(ah)), \ - "rM" ((USItype)(bh)), \ - "rM" ((USItype)(al)), \ - "rM" ((USItype)(bl))) + : "=r" ((USItype) (sh)), \ + "=&r" ((USItype) (sl)) \ + : "rM" ((USItype) (ah)), \ + "rM" ((USItype) (bh)), \ + "rM" ((USItype) (al)), \ + "rM" ((USItype) (bl))) #if defined (_PA_RISC1_1) -#define umul_ppmm(wh, wl, u, v) \ +#define umul_ppmm(w1, w0, u, v) \ do { \ - union {UDItype __ll; \ - struct {USItype __h, __l;} __i; \ - } __xx; \ + union \ + { \ + UDItype __f; \ + struct {USItype __w1, __w0;} __w1w0; \ + } __t; \ __asm__ ("xmpyu %1,%2,%0" \ - : "=*f" (__xx.__ll) \ - : "*f" ((USItype)(u)), \ - "*f" ((USItype)(v))); \ - (wh) = __xx.__i.__h; \ - (wl) = __xx.__i.__l; \ - } while (0) + : "=x" (__t.__f) \ + : "x" ((USItype) (u)), \ + "x" ((USItype) (v))); \ + (w1) = __t.__w1w0.__w1; \ + (w0) = __t.__w1w0.__w0; \ + } while (0) #define UMUL_TIME 8 -#define UDIV_TIME 60 #else -#define UMUL_TIME 40 -#define UDIV_TIME 80 +#define UMUL_TIME 30 #endif -#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 */ +#define UDIV_TIME 40 #define count_leading_zeros(count, x) \ do { \ USItype __tmp; \ @@ -358,281 +332,268 @@ extern USItype __udiv_qrnnd (); sub %0,%1,%0 ; Subtract it. " : "=r" (count), "=r" (__tmp) : "1" (x)); \ } while (0) -#endif /* hppa */ - -#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 -#if (defined (__i386__) || defined (__i486__)) && W_TYPE_SIZE == 32 +#if defined (__i386__) || defined (__i486__) #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("addl %5,%1 adcl %3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "%1" ((USItype)(al)), \ - "g" ((USItype)(bl))) + : "=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 sbbl %3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "1" ((USItype)(al)), \ - "g" ((USItype)(bl))) + : "=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))) + : "=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))) + : "=a" ((USItype) (q)), \ + "=d" ((USItype) (r)) \ + : "0" ((USItype) (n0)), \ + "1" ((USItype) (n1)), \ + "rm" ((USItype) (d))) #define count_leading_zeros(count, x) \ do { \ USItype __cbtmp; \ __asm__ ("bsrl %1,%0" \ - : "=r" (__cbtmp) : "rm" ((USItype)(x))); \ + : "=r" (__cbtmp) : "rm" ((USItype) (x))); \ (count) = __cbtmp ^ 31; \ } while (0) -#define count_trailing_zeros(count, x) \ - __asm__ ("bsfl %1,%0" : "=r" (count) : "rm" ((USItype)(x))) -#ifndef UMUL_TIME #define UMUL_TIME 40 -#endif -#ifndef UDIV_TIME #define UDIV_TIME 40 -#endif #endif /* 80x86 */ -#if defined (__i860__) && W_TYPE_SIZE == 32 -#define rshift_rhlc(r,h,l,c) \ - __asm__ ("shr %3,r0,r0\;shrd %1,%2,%0" \ - "=r" (r) : "r" (h), "r" (l), "rn" (c)) -#endif /* i860 */ - -#if defined (__i960__) && W_TYPE_SIZE == 32 +#if defined (__i860__) +#if 0 +/* Make sure these patterns really improve the code before + switching them on. */ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("cmpo 1,0\;addc %5,%4,%1\;addc %3,%2,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%dI" ((USItype)(ah)), \ - "dI" ((USItype)(bh)), \ - "%dI" ((USItype)(al)), \ - "dI" ((USItype)(bl))) + do { \ + union \ + { \ + DItype __ll; \ + struct {USItype __l, __h;} __i; \ + } __a, __b, __s; \ + __a.__i.__l = (al); \ + __a.__i.__h = (ah); \ + __b.__i.__l = (bl); \ + __b.__i.__h = (bh); \ + __asm__ ("fiadd.dd %1,%2,%0" \ + : "=f" (__s.__ll) \ + : "%f" (__a.__ll), "f" (__b.__ll)); \ + (sh) = __s.__i.__h; \ + (sl) = __s.__i.__l; \ + } while (0) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("cmpo 0,0\;subc %5,%4,%1\;subc %3,%2,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "dI" ((USItype)(ah)), \ - "dI" ((USItype)(bh)), \ - "dI" ((USItype)(al)), \ - "dI" ((USItype)(bl))) + do { \ + union \ + { \ + DItype __ll; \ + struct {USItype __l, __h;} __i; \ + } __a, __b, __s; \ + __a.__i.__l = (al); \ + __a.__i.__h = (ah); \ + __b.__i.__l = (bl); \ + __b.__i.__h = (bh); \ + __asm__ ("fisub.dd %1,%2,%0" \ + : "=f" (__s.__ll) \ + : "%f" (__a.__ll), "f" (__b.__ll)); \ + (sh) = __s.__i.__h; \ + (sl) = __s.__i.__l; \ + } while (0) +#endif +#endif /* __i860__ */ + +#if defined (__i960__) #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))); \ + : "%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) -#define count_leading_zeros(count, x) \ - do { \ - USItype __cbtmp; \ - __asm__ ("scanbit %1,%0" \ - : "=r" (__cbtmp) \ - : "r" ((USItype)(x))); \ - (count) = __cbtmp ^ 31; \ - } while (0) -#define COUNT_LEADING_ZEROS_0 (-32) /* sic */ -#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 */ + : "%dI" ((USItype) (u)), \ + "dI" ((USItype) (v))); \ + __w; }) +#endif /* __i960__ */ -#if (defined (__mc68000__) || defined (__mc68020__) || defined (__NeXT__) || defined(mc68020)) && W_TYPE_SIZE == 32 +#if defined (__M32R__) +#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ + /* The cmp clears the condition bit. */ \ + __asm__ ("cmp %0,%0 + addx %%5,%1 + addx %%3,%0" \ + : "=r" ((USItype) (sh)), \ + "=&r" ((USItype) (sl)) \ + : "%0" ((USItype) (ah)), \ + "r" ((USItype) (bh)), \ + "%1" ((USItype) (al)), \ + "r" ((USItype) (bl)) \ + : "cbit") +#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ + /* The cmp clears the condition bit. */ \ + __asm__ ("cmp %0,%0 + subx %5,%1 + subx %3,%0" \ + : "=r" ((USItype) (sh)), \ + "=&r" ((USItype) (sl)) \ + : "0" ((USItype) (ah)), \ + "r" ((USItype) (bh)), \ + "1" ((USItype) (al)), \ + "r" ((USItype) (bl)) \ + : "cbit") +#endif /* __M32R__ */ + +#if defined (__mc68000__) #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("add%.l %5,%1 addx%.l %3,%0" \ - : "=d" ((USItype)(sh)), \ - "=&d" ((USItype)(sl)) \ - : "%0" ((USItype)(ah)), \ - "d" ((USItype)(bh)), \ - "%1" ((USItype)(al)), \ - "g" ((USItype)(bl))) + : "=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 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)) + : "=d" ((USItype) (sh)), \ + "=&d" ((USItype) (sl)) \ + : "0" ((USItype) (ah)), \ + "d" ((USItype) (bh)), \ + "1" ((USItype) (al)), \ + "g" ((USItype) (bl))) + +/* The '020, '030, '040 and CPU32 have 32x32->64 and 64/32->32q-32r. */ +#if defined (__mc68020__) || defined(mc68020) \ + || defined(__mc68030__) || defined(mc68030) \ + || defined(__mc68040__) || defined(mc68040) \ + || defined(__mcpu32__) || defined(mcpu32) \ + || defined(__NeXT__) #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))) + : "=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))) + : "=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))) -#define count_leading_zeros(count, x) \ - __asm__ ("bfffo %1{%b2:%b2},%0" \ - : "=d" ((USItype)(count)) \ - : "od" ((USItype)(x)), "n" (0)) -#define COUNT_LEADING_ZEROS_0 32 + : "=d" ((USItype) (q)), \ + "=d" ((USItype) (r)) \ + : "0" ((USItype) (n0)), \ + "1" ((USItype) (n1)), \ + "dmi" ((USItype) (d))) + #else /* not mc68020 */ +#if !defined(__mcf5200__) +/* %/ inserts REGISTER_PREFIX, %# inserts IMMEDIATE_PREFIX. */ #define umul_ppmm(xh, xl, a, b) \ - do { USItype __umul_tmp1, __umul_tmp2; \ - __asm__ ("| Inlined umul_ppmm - move%.l %5,%3 - move%.l %2,%0 - move%.w %3,%1 - swap %3 - swap %0 - mulu %2,%1 - mulu %3,%0 - mulu %2,%3 - swap %2 - mulu %5,%2 - add%.l %3,%2 + __asm__ ("| Inlined umul_ppmm + move%.l %2,%/d0 + move%.l %3,%/d1 + move%.l %/d0,%/d2 + swap %/d0 + move%.l %/d1,%/d3 + swap %/d1 + move%.w %/d2,%/d4 + mulu %/d3,%/d4 + mulu %/d1,%/d2 + mulu %/d0,%/d3 + mulu %/d0,%/d1 + move%.l %/d4,%/d0 + eor%.w %/d0,%/d0 + swap %/d0 + add%.l %/d0,%/d2 + add%.l %/d3,%/d2 jcc 1f - add%.l %#0x10000,%0 -1: move%.l %2,%3 - clr%.w %2 - swap %2 - swap %3 - clr%.w %3 - add%.l %3,%1 - addx%.l %2,%0 - | End inlined umul_ppmm" \ - : "=&d" ((USItype)(xh)), "=&d" ((USItype)(xl)), \ - "=d" (__umul_tmp1), "=&d" (__umul_tmp2) \ - : "%2" ((USItype)(a)), "d" ((USItype)(b))); \ - } while (0) + add%.l %#65536,%/d1 +1: swap %/d2 + moveq %#0,%/d0 + move%.w %/d2,%/d0 + move%.w %/d4,%/d2 + move%.l %/d2,%1 + add%.l %/d1,%/d0 + move%.l %/d0,%0" \ + : "=g" ((USItype) (xh)), \ + "=g" ((USItype) (xl)) \ + : "g" ((USItype) (a)), \ + "g" ((USItype) (b)) \ + : "d0", "d1", "d2", "d3", "d4") #define UMUL_TIME 100 #define UDIV_TIME 400 +#endif /* not mcf5200 */ #endif /* not mc68020 */ + +/* The '020, '030, '040 and '060 have bitfield insns. */ +#if defined (__mc68020__) || defined(mc68020) \ + || defined(__mc68030__) || defined(mc68030) \ + || defined(__mc68040__) || defined(mc68040) \ + || defined(__mc68060__) || defined(mc68060) \ + || defined(__NeXT__) +#define count_leading_zeros(count, x) \ + __asm__ ("bfffo %1{%b2:%b2},%0" \ + : "=d" ((USItype) (count)) \ + : "od" ((USItype) (x)), "n" (0)) +#endif #endif /* mc68000 */ -#if defined (__m88000__) && W_TYPE_SIZE == 32 +#if defined (__m88000__) #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("addu.co %1,%r4,%r5 addu.ci %0,%r2,%r3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%rJ" ((USItype)(ah)), \ - "rJ" ((USItype)(bh)), \ - "%rJ" ((USItype)(al)), \ - "rJ" ((USItype)(bl))) + : "=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 subu.ci %0,%r2,%r3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "rJ" ((USItype)(ah)), \ - "rJ" ((USItype)(bh)), \ - "rJ" ((USItype)(al)), \ - "rJ" ((USItype)(bl))) + : "=r" ((USItype) (sh)), \ + "=&r" ((USItype) (sl)) \ + : "rJ" ((USItype) (ah)), \ + "rJ" ((USItype) (bh)), \ + "rJ" ((USItype) (al)), \ + "rJ" ((USItype) (bl))) #define count_leading_zeros(count, x) \ do { \ USItype __cbtmp; \ __asm__ ("ff1 %0,%1" \ : "=r" (__cbtmp) \ - : "r" ((USItype)(x))); \ + : "r" ((USItype) (x))); \ (count) = __cbtmp ^ 31; \ } while (0) -#define COUNT_LEADING_ZEROS_0 63 /* sic */ -#if defined (__m88110__) +#if defined (__mc88110__) #define umul_ppmm(wh, wl, u, v) \ do { \ union {UDItype __ll; \ @@ -640,8 +601,8 @@ extern USItype __udiv_qrnnd (); } __xx; \ __asm__ ("mulu.d %0,%1,%2" \ : "=r" (__xx.__ll) \ - : "r" ((USItype)(u)), \ - "r" ((USItype)(v))); \ + : "r" ((USItype) (u)), \ + "r" ((USItype) (v))); \ (wh) = __xx.__i.__h; \ (wl) = __xx.__i.__l; \ } while (0) @@ -654,76 +615,43 @@ extern USItype __udiv_qrnnd (); __asm__ ("divu.d %0,%1,%2" \ : "=r" (__q) \ : "r" (__xx.__ll), \ - "r" ((USItype)(d))); \ + "r" ((USItype) (d))); \ (r) = (n0) - __q * (d); (q) = __q; }) #define UMUL_TIME 5 #define UDIV_TIME 25 #else #define UMUL_TIME 17 #define UDIV_TIME 150 -#endif /* __m88110__ */ +#endif /* __mc88110__ */ #endif /* __m88000__ */ -#if defined (__mips__) && W_TYPE_SIZE == 32 -#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7 +#if defined (__mips__) #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 - mflo %0 - mfhi %1" \ - : "=d" ((USItype)(w0)), \ - "=d" ((USItype)(w1)) \ - : "d" ((USItype)(u)), \ - "d" ((USItype)(v))) -#endif + : "=l" ((USItype) (w0)), \ + "=h" ((USItype) (w1)) \ + : "d" ((USItype) (u)), \ + "d" ((USItype) (v))) #define UMUL_TIME 10 #define UDIV_TIME 100 #endif /* __mips__ */ -#if (defined (__mips) && __mips >= 3) && W_TYPE_SIZE == 64 -#if __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 - mflo %0 - 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__ */ - -#if defined (__ns32000__) && W_TYPE_SIZE == 32 +#if defined (__ns32000__) #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))); \ + : "%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))); \ + : "%0" ((USItype) (u)), \ + "g" ((USItype) (v))); \ __w; }) #define udiv_qrnnd(q, r, n1, n0, d) \ ({union {UDItype __ll; \ @@ -733,15 +661,8 @@ extern USItype __udiv_qrnnd (); __asm__ ("deid %2,%0" \ : "=g" (__xx.__ll) \ : "0" (__xx.__ll), \ - "g" ((USItype)(d))); \ + "g" ((USItype) (d))); \ (r) = __xx.__i.__l; (q) = __xx.__i.__h; }) -#define count_trailing_zeros(count,x) \ - do { - __asm__ ("ffsd %2,%0" \ - : "=r" ((USItype) (count)) \ - : "0" ((USItype) 0), \ - "r" ((USItype) (x))); \ - } while (0) #endif /* __ns32000__ */ #if (defined (_ARCH_PPC) || defined (_IBMR2)) && W_TYPE_SIZE == 32 @@ -749,71 +670,70 @@ extern USItype __udiv_qrnnd (); 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))); \ + : "=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))); \ + : "=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))); \ + : "=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))); \ + : "=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))); \ + : "=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))); \ + : "=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))); \ + : "=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))); \ + : "=r" ((USItype) (sh)), \ + "=&r" ((USItype) (sl)) \ + : "r" ((USItype) (ah)), \ + "r" ((USItype) (bh)), \ + "rI" ((USItype) (al)), \ + "r" ((USItype) (bl))); \ } while (0) #define count_leading_zeros(count, x) \ __asm__ ("{cntlz|cntlzw} %0,%1" \ - : "=r" ((USItype)(count)) \ - : "r" ((USItype)(x))) -#define COUNT_LEADING_ZEROS_0 32 + : "=r" ((USItype) (count)) \ + : "r" ((USItype) (x))) #if defined (_ARCH_PPC) #define umul_ppmm(ph, pl, m0, m1) \ do { \ @@ -841,8 +761,8 @@ extern USItype __udiv_qrnnd (); do { \ USItype __m0 = (m0), __m1 = (m1); \ __asm__ ("mul %0,%2,%3" \ - : "=r" ((USItype)(xh)), \ - "=q" ((USItype)(xl)) \ + : "=r" ((USItype) (xh)), \ + "=q" ((USItype) (xl)) \ : "r" (__m0), \ "r" (__m1)); \ (xh) += ((((SItype) __m0 >> 31) & __m1) \ @@ -851,38 +771,38 @@ extern USItype __udiv_qrnnd (); #define UMUL_TIME 8 #define smul_ppmm(xh, xl, m0, m1) \ __asm__ ("mul %0,%2,%3" \ - : "=r" ((SItype)(xh)), \ - "=q" ((SItype)(xl)) \ + : "=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))) + : "=r" ((SItype) (q)), "=q" ((SItype) (r)) \ + : "r" ((SItype) (nh)), "1" ((SItype) (nl)), "r" ((SItype) (d))) #define UDIV_TIME 100 #endif #endif /* Power architecture variants. */ -#if defined (__pyr__) && W_TYPE_SIZE == 32 +#if defined (__pyr__) #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("addw %5,%1 addwc %3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "%1" ((USItype)(al)), \ - "g" ((USItype)(bl))) + : "=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 subwb %3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "1" ((USItype)(al)), \ - "g" ((USItype)(bl))) + : "=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; \ @@ -892,29 +812,29 @@ extern USItype __udiv_qrnnd (); uemul %2,%0" \ : "=&r" (__xx.__ll) \ : "g" ((USItype) (u)), \ - "g" ((USItype)(v))); \ + "g" ((USItype) (v))); \ (w1) = __xx.__i.__h; (w0) = __xx.__i.__l;}) #endif /* __pyr__ */ -#if defined (__ibm032__) /* RT/ROMP */ && W_TYPE_SIZE == 32 +#if defined (__ibm032__) /* RT/ROMP */ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("a %1,%5 ae %0,%3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%0" ((USItype)(ah)), \ - "r" ((USItype)(bh)), \ - "%1" ((USItype)(al)), \ - "r" ((USItype)(bl))) + : "=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 se %0,%3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "0" ((USItype)(ah)), \ - "r" ((USItype)(bh)), \ - "1" ((USItype)(al)), \ - "r" ((USItype)(bl))) + : "=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); \ @@ -939,8 +859,8 @@ extern USItype __udiv_qrnnd (); m r2,%3 cas %0,r2,r0 mfs r10,%1" \ - : "=r" ((USItype)(ph)), \ - "=r" ((USItype)(pl)) \ + : "=r" ((USItype) (ph)), \ + "=r" ((USItype) (pl)) \ : "%r" (__m0), \ "r" (__m1) \ : "r2"); \ @@ -953,90 +873,63 @@ extern USItype __udiv_qrnnd (); do { \ if ((x) >= 0x10000) \ __asm__ ("clz %0,%1" \ - : "=r" ((USItype)(count)) \ - : "r" ((USItype)(x) >> 16)); \ + : "=r" ((USItype) (count)) \ + : "r" ((USItype) (x) >> 16)); \ else \ { \ __asm__ ("clz %0,%1" \ - : "=r" ((USItype)(count)) \ - : "r" ((USItype)(x))); \ + : "=r" ((USItype) (count)) \ + : "r" ((USItype) (x))); \ (count) += 16; \ } \ } while (0) -#endif /* RT/ROMP */ - -#if defined (__sh2__) && W_TYPE_SIZE == 32 -#define umul_ppmm(w1, w0, u, v) \ - __asm__ ( \ - "dmulu.l %2,%3 - sts macl,%1 - sts mach,%0" \ - : "=r" ((USItype)(w1)), \ - "=r" ((USItype)(w0)) \ - : "r" ((USItype)(u)), \ - "r" ((USItype)(v)) \ - : "macl", "mach") -#define UMUL_TIME 5 #endif -#if defined (__sparc__) && W_TYPE_SIZE == 32 +#if defined (__sparc__) #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("addcc %r4,%5,%1 addx %r2,%3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%rJ" ((USItype)(ah)), \ - "rI" ((USItype)(bh)), \ - "%rJ" ((USItype)(al)), \ - "rI" ((USItype)(bl)) \ + : "=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 subx %r2,%3,%0" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "rJ" ((USItype)(ah)), \ - "rI" ((USItype)(bh)), \ - "rJ" ((USItype)(al)), \ - "rI" ((USItype)(bl)) \ + : "=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 */ + : "=r" ((USItype) (w1)), \ + "=r" ((USItype) (w0)) \ + : "r" ((USItype) (u)), \ + "r" ((USItype) (v))) #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__ */ + __asm__ ("mov %2,%%y;nop;nop;nop;udiv %3,%4,%0;umul %0,%4,%1;sub %3,%1,%1"\ + : "=&r" ((USItype) (q)), \ + "=&r" ((USItype) (r)) \ + : "r" ((USItype) (n1)), \ + "r" ((USItype) (n0)), \ + "r" ((USItype) (d))) +#else #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 + : "=r" ((USItype) (w1)), \ + "=r" ((USItype) (w0)) \ + : "r" ((USItype) (u)), \ + "r" ((USItype) (v))) #define udiv_qrnnd(q, r, n1, n0, d) \ __asm__ ("! Inlined udiv_qrnnd wr %%g0,%2,%%y ! Not a delayed write for sparclite @@ -1077,24 +970,22 @@ extern USItype __udiv_qrnnd (); bl,a 1f add %1,%4,%1 1: ! End of inline udiv_qrnnd" \ - : "=r" ((USItype)(q)), \ - "=r" ((USItype)(r)) \ - : "r" ((USItype)(n1)), \ - "r" ((USItype)(n0)), \ - "rI" ((USItype)(d)) \ + : "=r" ((USItype) (q)), \ + "=r" ((USItype) (r)) \ + : "r" ((USItype) (n1)), \ + "r" ((USItype) (n0)), \ + "rI" ((USItype) (d)) \ : "%g1" __AND_CLOBBER_CC) #define UDIV_TIME 37 #define count_leading_zeros(count, x) \ - __asm__ ("scan %1,0,%0" \ - : "=r" ((USItype)(x)) \ - : "r" ((USItype)(count))) -/* Early sparclites return 63 for an argument of 0, but they warn that future - implementations might change this. Therefore, leave COUNT_LEADING_ZEROS_0 - undefined. */ -#endif /* __sparclite__ */ -#endif /* __sparc_v8__ */ -/* Default to sparc v7 versions of umul_ppmm and udiv_qrnnd. */ -#ifndef umul_ppmm + do { \ + __asm__ ("scan %1,1,%0" \ + : "=r" ((USItype) (count)) \ + : "r" ((USItype) (x))); \ + } while (0) +#else +/* SPARC without integer multiplication and divide instructions. + (i.e. at least Sun4/20,40,60,65,75,110,260,280,330,360,380,470,490) */ #define umul_ppmm(w1, w0, u, v) \ __asm__ ("! Inlined umul_ppmm wr %%g0,%2,%%y ! SPARC has 0-3 delay insn after a wr @@ -1136,14 +1027,12 @@ extern USItype __udiv_qrnnd (); mulscc %%g1,0,%%g1 add %%g1,%%g2,%0 rd %%y,%1" \ - : "=r" ((USItype)(w1)), \ - "=r" ((USItype)(w0)) \ - : "%rI" ((USItype)(u)), \ - "r" ((USItype)(v)) \ + : "=r" ((USItype) (w1)), \ + "=r" ((USItype) (w0)) \ + : "%rI" ((USItype) (u)), \ + "r" ((USItype) (v)) \ : "%g1", "%g2" __AND_CLOBBER_CC) #define UMUL_TIME 39 /* 39 instructions */ -#endif -#ifndef udiv_qrnnd /* 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) \ @@ -1171,116 +1060,48 @@ extern USItype __udiv_qrnnd (); sub %1,%2,%1 3: xnor %0,0,%0 ! End of inline udiv_qrnnd" \ - : "=&r" ((USItype)(q)), \ - "=&r" ((USItype)(r)) \ - : "r" ((USItype)(d)), \ - "1" ((USItype)(n1)), \ - "0" ((USItype)(n0)) : "%g1" __AND_CLOBBER_CC) + : "=&r" ((USItype) (q)), \ + "=&r" ((USItype) (r)) \ + : "r" ((USItype) (d)), \ + "1" ((USItype) (n1)), \ + "0" ((USItype) (n0)) : "%g1" __AND_CLOBBER_CC) #define UDIV_TIME (3+7*32) /* 7 instructions/iteration. 32 iterations. */ -#else -extern USItype __udiv_qrnnd __P ((USItype *, USItype, USItype, USItype)); -#ifndef UDIV_TIME -#define UDIV_TIME 140 -#endif /* UDIV_TIME */ -#endif /* udiv_qrnnd */ +#endif /* __sparclite__ */ +#endif /* __sparc_v8__ */ #endif /* __sparc__ */ -#if (defined (__sparc_v9__) || (defined (__sparc__) && defined (__arch64__)) \ - || defined (__sparcv9)) && W_TYPE_SIZE == 64 -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("addcc %4,%5,%1 - add %2,%3,%0 - bcs,a,pn %%xcc, 1f - add %0, 1, %0 - 1:" \ - : "=r" ((UDItype)(sh)), \ - "=&r" ((UDItype)(sl)) \ - : "r" ((UDItype)(ah)), \ - "r" ((UDItype)(bh)), \ - "r" ((UDItype)(al)), \ - "r" ((UDItype)(bl)) \ - : "cc") - -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("subcc %4,%5,%1 - sub %2,%3,%0 - bcs,a,pn %%xcc, 1f - sub %0, 1, %0 - 1:" \ - : "=r" ((UDItype)(sh)), \ - "=&r" ((UDItype)(sl)) \ - : "r" ((UDItype)(ah)), \ - "r" ((UDItype)(bh)), \ - "r" ((UDItype)(al)), \ - "r" ((UDItype)(bl)) \ - : "cc") - -#define umul_ppmm(wh, wl, u, v) \ - do { \ - UDItype tmp1, tmp2, tmp3, tmp4; \ - __asm__ __volatile__ ( \ - "srl %7,0,%3 - mulx %3,%6,%1 - srlx %6,32,%2 - mulx %2,%3,%4 - sllx %4,32,%5 - srl %6,0,%3 - sub %1,%5,%5 - srlx %5,32,%5 - addcc %4,%5,%4 - srlx %7,32,%5 - mulx %3,%5,%3 - mulx %2,%5,%5 - sethi %%hi(0x80000000),%2 - addcc %4,%3,%4 - srlx %4,32,%4 - add %2,%2,%2 - movcc %%xcc,%%g0,%2 - addcc %5,%4,%5 - sllx %3,32,%3 - add %1,%3,%1 - add %5,%2,%0" \ - : "=r" ((UDItype)(wh)), \ - "=&r" ((UDItype)(wl)), \ - "=&r" (tmp1), "=&r" (tmp2), "=&r" (tmp3), "=&r" (tmp4) \ - : "r" ((UDItype)(u)), \ - "r" ((UDItype)(v)) \ - : "cc"); \ - } while (0) -#define UMUL_TIME 96 -#define UDIV_TIME 230 -#endif /* __sparc_v9__ */ - -#if defined (__vax__) && W_TYPE_SIZE == 32 +#if defined (__vax__) #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("addl2 %5,%1 adwc %3,%0" \ - : "=g" ((USItype)(sh)), \ - "=&g" ((USItype)(sl)) \ - : "%0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "%1" ((USItype)(al)), \ - "g" ((USItype)(bl))) + : "=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 sbwc %3,%0" \ - : "=g" ((USItype)(sh)), \ - "=&g" ((USItype)(sl)) \ - : "0" ((USItype)(ah)), \ - "g" ((USItype)(bh)), \ - "1" ((USItype)(al)), \ - "g" ((USItype)(bl))) + : "=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; \ + union { \ + UDItype __ll; \ + struct {USItype __l, __h;} __i; \ + } __xx; \ USItype __m0 = (m0), __m1 = (m1); \ __asm__ ("emul %1,%2,$0,%0" \ - : "=g" (__xx.__ll) \ + : "=r" (__xx.__ll) \ : "g" (__m0), \ "g" (__m1)); \ - (xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \ + (xh) = __xx.__i.__h; \ + (xl) = __xx.__i.__l; \ (xh) += ((((SItype) __m0 >> 31) & __m1) \ + (((SItype) __m1 >> 31) & __m0)); \ } while (0) @@ -1292,69 +1113,18 @@ extern USItype __udiv_qrnnd __P ((USItype *, USItype, USItype, USItype)); __xx.__i.__h = n1; __xx.__i.__l = n0; \ __asm__ ("ediv %3,%2,%0,%1" \ : "=g" (q), "=g" (r) \ - : "g" (__xx.ll), "g" (d)); \ + : "g" (__xx.__ll), "g" (d)); \ } while (0) #endif /* __vax__ */ -#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__ */ - -#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; \ + USItype __x; \ __x = (al) + (bl); \ (sh) = (ah) + (bh) + (__x < (al)); \ (sl) = __x; \ @@ -1364,7 +1134,7 @@ extern USItype __udiv_qrnnd __P ((USItype *, USItype, USItype, USItype)); #if !defined (sub_ddmmss) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ do { \ - UWtype __x; \ + USItype __x; \ __x = (al) - (bl); \ (sh) = (ah) - (bh) - (__x > (al)); \ (sl) = __x; \ @@ -1374,19 +1144,18 @@ extern USItype __udiv_qrnnd __P ((USItype *, USItype, USItype, USItype)); #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); \ + USItype __x0, __x1, __x2, __x3; \ + USItype __ul, __vl, __uh, __vh; \ \ - __ul = __ll_lowpart (__u); \ - __uh = __ll_highpart (__u); \ - __vl = __ll_lowpart (__v); \ - __vh = __ll_highpart (__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; \ + __x0 = (USItype) __ul * __vl; \ + __x1 = (USItype) __ul * __vh; \ + __x2 = (USItype) __uh * __vl; \ + __x3 = (USItype) __uh * __vh; \ \ __x1 += __ll_highpart (__x0);/* this can't give carry */ \ __x1 += __x2; /* but this indeed can */ \ @@ -1394,31 +1163,28 @@ extern USItype __udiv_qrnnd __P ((USItype *, USItype, USItype, USItype)); __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);\ + (w0) = __ll_lowpart (__x1) * __ll_B + __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) +#if !defined (__umulsidi3) +#define __umulsidi3(u, v) \ + ({DIunion __w; \ + umul_ppmm (__w.s.high, __w.s.low, u, v); \ + __w.ll; }) #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; \ + USItype __d1, __d0, __q1, __q0; \ + USItype __r1, __r0, __m; \ __d1 = __ll_highpart (d); \ __d0 = __ll_lowpart (d); \ \ __r1 = (n1) % __d1; \ __q1 = (n1) / __d1; \ - __m = (UWtype) __q1 * __d0; \ + __m = (USItype) __q1 * __d0; \ __r1 = __r1 * __ll_B | __ll_highpart (n0); \ if (__r1 < __m) \ { \ @@ -1431,7 +1197,7 @@ extern USItype __udiv_qrnnd __P ((USItype *, USItype, USItype, USItype)); \ __r0 = __r1 % __d1; \ __q0 = __r1 / __d1; \ - __m = (UWtype) __q0 * __d0; \ + __m = (USItype) __q0 * __d0; \ __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ if (__r0 < __m) \ { \ @@ -1442,7 +1208,7 @@ extern USItype __udiv_qrnnd __P ((USItype *, USItype, USItype, USItype)); } \ __r0 -= __m; \ \ - (q) = (UWtype) __q1 * __ll_B | __q0; \ + (q) = (USItype) __q1 * __ll_B | __q0; \ (r) = __r0; \ } while (0) @@ -1451,8 +1217,8 @@ extern USItype __udiv_qrnnd __P ((USItype *, USItype, USItype, USItype)); #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); \ + USItype __r; \ + (q) = __udiv_w_sdiv (&__r, nh, nl, d); \ (r) = __r; \ } while (0) #endif @@ -1464,44 +1230,26 @@ extern USItype __udiv_qrnnd __P ((USItype *, USItype, USItype, USItype)); #endif #if !defined (count_leading_zeros) -extern -#ifdef __STDC__ -const -#endif -unsigned char __clz_tab[]; +extern const UQItype __clz_tab[]; #define count_leading_zeros(count, x) \ do { \ - UWtype __xr = (x); \ - UWtype __a; \ + USItype __xr = (x); \ + USItype __a; \ \ - if (W_TYPE_SIZE <= 32) \ + if (SI_TYPE_SIZE <= 32) \ { \ - __a = __xr < ((UWtype) 1 << 2*__BITS4) \ - ? (__xr < ((UWtype) 1 << __BITS4) ? 0 : __BITS4) \ - : (__xr < ((UWtype) 1 << 3*__BITS4) ? 2*__BITS4 : 3*__BITS4);\ + __a = __xr < ((USItype)1<<2*__BITS4) \ + ? (__xr < ((USItype)1<<__BITS4) ? 0 : __BITS4) \ + : (__xr < ((USItype)1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \ } \ else \ { \ - for (__a = W_TYPE_SIZE - 8; __a > 0; __a -= 8) \ + for (__a = SI_TYPE_SIZE - 8; __a > 0; __a -= 8) \ if (((__xr >> __a) & 0xff) != 0) \ break; \ } \ \ - (count) = W_TYPE_SIZE - (__clz_tab[__xr >> __a] + __a); \ - } while (0) -/* This version gives a well-defined value for zero. */ -#define COUNT_LEADING_ZEROS_0 W_TYPE_SIZE -#endif - -#if !defined (count_trailing_zeros) -/* Define count_trailing_zeros using count_leading_zeros. The latter might be - defined in asm, but if it is not, the C version above is good enough. */ -#define count_trailing_zeros(count, x) \ - do { \ - UWtype __ctz_x = (x); \ - UWtype __ctz_c; \ - count_leading_zeros (__ctz_c, __ctz_x & -__ctz_x); \ - (count) = W_TYPE_SIZE - 1 - __ctz_c; \ + (count) = SI_TYPE_SIZE - (__clz_tab[__xr >> __a] + __a); \ } while (0) #endif |