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| author | Ulrich Drepper <drepper@redhat.com> | 1999-11-22 23:38:50 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1999-11-22 23:38:50 +0000 |
| commit | 1da2d51aebf6dc722aaf1793d8608b028eec12ed (patch) | |
| tree | aefaffa5be89b470b3c004463fd37341f59b514b /stdlib/longlong.h | |
| parent | 20bdb31bfc27e044290756a681e3329f6e677ab7 (diff) | |
| download | glibc-1da2d51aebf6dc722aaf1793d8608b028eec12ed.tar.xz glibc-1da2d51aebf6dc722aaf1793d8608b028eec12ed.zip | |
Update.
1999-11-22 Ulrich Drepper <drepper@cygnus.com>
* stdlib/longlong.h: Update from latest egcs version.
Diffstat (limited to 'stdlib/longlong.h')
| -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" |
