1 /* longlong.h -- definitions for mixed size 32/64 bit arithmetic.
2 * Note: I added some stuff for use with gnupg
4 * Copyright (C) 1991, 1992, 1993, 1994, 1996, 1998,
5 * 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
7 * This file is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU Library General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
12 * This file is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
15 * License for more details.
17 * You should have received a copy of the GNU Library General Public License
18 * along with this file; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 * MA 02111-1307, USA. */
22 #include <linux/count_zeros.h>
24 /* You have to define the following before including this file:
26 * UWtype -- An unsigned type, default type for operations (typically a "word")
27 * UHWtype -- An unsigned type, at least half the size of UWtype.
28 * UDWtype -- An unsigned type, at least twice as large a UWtype
29 * W_TYPE_SIZE -- size in bits of UWtype
31 * SItype, USItype -- Signed and unsigned 32 bit types.
32 * DItype, UDItype -- Signed and unsigned 64 bit types.
34 * On a 32 bit machine UWtype should typically be USItype;
35 * on a 64 bit machine, UWtype should typically be UDItype.
38 #define __BITS4 (W_TYPE_SIZE / 4)
39 #define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2))
40 #define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1))
41 #define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2))
43 /* This is used to make sure no undesirable sharing between different libraries
44 that use this file takes place. */
46 #define __MPN(x) __##x
49 /* Define auxiliary asm macros.
51 * 1) umul_ppmm(high_prod, low_prod, multipler, multiplicand) multiplies two
52 * UWtype integers MULTIPLER and MULTIPLICAND, and generates a two UWtype
53 * word product in HIGH_PROD and LOW_PROD.
55 * 2) __umulsidi3(a,b) multiplies two UWtype integers A and B, and returns a
56 * UDWtype product. This is just a variant of umul_ppmm.
58 * 3) udiv_qrnnd(quotient, remainder, high_numerator, low_numerator,
59 * denominator) divides a UDWtype, composed by the UWtype integers
60 * HIGH_NUMERATOR and LOW_NUMERATOR, by DENOMINATOR and places the quotient
61 * in QUOTIENT and the remainder in REMAINDER. HIGH_NUMERATOR must be less
62 * than DENOMINATOR for correct operation. If, in addition, the most
63 * significant bit of DENOMINATOR must be 1, then the pre-processor symbol
64 * UDIV_NEEDS_NORMALIZATION is defined to 1.
65 * 4) sdiv_qrnnd(quotient, remainder, high_numerator, low_numerator,
66 * denominator). Like udiv_qrnnd but the numbers are signed. The quotient
67 * is rounded towards 0.
69 * 5) count_leading_zeros(count, x) counts the number of zero-bits from the
70 * msb to the first non-zero bit in the UWtype X. This is the number of
71 * steps X needs to be shifted left to set the msb. Undefined for X == 0,
72 * unless the symbol COUNT_LEADING_ZEROS_0 is defined to some value.
74 * 6) count_trailing_zeros(count, x) like count_leading_zeros, but counts
75 * from the least significant end.
77 * 7) add_ssaaaa(high_sum, low_sum, high_addend_1, low_addend_1,
78 * high_addend_2, low_addend_2) adds two UWtype integers, composed by
79 * HIGH_ADDEND_1 and LOW_ADDEND_1, and HIGH_ADDEND_2 and LOW_ADDEND_2
80 * respectively. The result is placed in HIGH_SUM and LOW_SUM. Overflow
81 * (i.e. carry out) is not stored anywhere, and is lost.
83 * 8) sub_ddmmss(high_difference, low_difference, high_minuend, low_minuend,
84 * high_subtrahend, low_subtrahend) subtracts two two-word UWtype integers,
85 * composed by HIGH_MINUEND_1 and LOW_MINUEND_1, and HIGH_SUBTRAHEND_2 and
86 * LOW_SUBTRAHEND_2 respectively. The result is placed in HIGH_DIFFERENCE
87 * and LOW_DIFFERENCE. Overflow (i.e. carry out) is not stored anywhere,
90 * If any of these macros are left undefined for a particular CPU,
91 * C macros are used. */
93 /* The CPUs come in alphabetical order below.
95 * Please add support for more CPUs here, or improve the current support
96 * for the CPUs below! */
98 #if defined(__GNUC__) && !defined(NO_ASM)
100 /* We sometimes need to clobber "cc" with gcc2, but that would not be
101 understood by gcc1. Use cpp to avoid major code duplication. */
104 #define __AND_CLOBBER_CC
105 #else /* __GNUC__ >= 2 */
106 #define __CLOBBER_CC : "cc"
107 #define __AND_CLOBBER_CC , "cc"
108 #endif /* __GNUC__ < 2 */
110 /***************************************
111 ************** A29K *****************
112 ***************************************/
113 #if (defined(__a29k__) || defined(_AM29K)) && W_TYPE_SIZE == 32
114 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
115 __asm__ ("add %1,%4,%5\n" \
117 : "=r" ((USItype)(sh)), \
118 "=&r" ((USItype)(sl)) \
119 : "%r" ((USItype)(ah)), \
120 "rI" ((USItype)(bh)), \
121 "%r" ((USItype)(al)), \
122 "rI" ((USItype)(bl)))
123 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
124 __asm__ ("sub %1,%4,%5\n" \
126 : "=r" ((USItype)(sh)), \
127 "=&r" ((USItype)(sl)) \
128 : "r" ((USItype)(ah)), \
129 "rI" ((USItype)(bh)), \
130 "r" ((USItype)(al)), \
131 "rI" ((USItype)(bl)))
132 #define umul_ppmm(xh, xl, m0, m1) \
134 USItype __m0 = (m0), __m1 = (m1); \
135 __asm__ ("multiplu %0,%1,%2" \
136 : "=r" ((USItype)(xl)) \
139 __asm__ ("multmu %0,%1,%2" \
140 : "=r" ((USItype)(xh)) \
144 #define udiv_qrnnd(q, r, n1, n0, d) \
145 __asm__ ("dividu %0,%3,%4" \
146 : "=r" ((USItype)(q)), \
147 "=q" ((USItype)(r)) \
148 : "1" ((USItype)(n1)), \
149 "r" ((USItype)(n0)), \
151 #endif /* __a29k__ */
153 #if defined(__alpha) && W_TYPE_SIZE == 64
154 #define umul_ppmm(ph, pl, m0, m1) \
156 UDItype __m0 = (m0), __m1 = (m1); \
157 (ph) = __builtin_alpha_umulh(__m0, __m1); \
158 (pl) = __m0 * __m1; \
161 #ifndef LONGLONG_STANDALONE
162 #define udiv_qrnnd(q, r, n1, n0, d) \
164 (q) = __udiv_qrnnd(&__r, (n1), (n0), (d)); \
167 extern UDItype __udiv_qrnnd(UDItype *, UDItype, UDItype, UDItype);
168 #define UDIV_TIME 220
169 #endif /* LONGLONG_STANDALONE */
172 /***************************************
173 ************** ARM ******************
174 ***************************************/
175 #if defined(__arm__) && W_TYPE_SIZE == 32
176 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
177 __asm__ ("adds %1, %4, %5\n" \
179 : "=r" ((USItype)(sh)), \
180 "=&r" ((USItype)(sl)) \
181 : "%r" ((USItype)(ah)), \
182 "rI" ((USItype)(bh)), \
183 "%r" ((USItype)(al)), \
184 "rI" ((USItype)(bl)))
185 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
186 __asm__ ("subs %1, %4, %5\n" \
188 : "=r" ((USItype)(sh)), \
189 "=&r" ((USItype)(sl)) \
190 : "r" ((USItype)(ah)), \
191 "rI" ((USItype)(bh)), \
192 "r" ((USItype)(al)), \
193 "rI" ((USItype)(bl)))
194 #if defined __ARM_ARCH_2__ || defined __ARM_ARCH_3__
195 #define umul_ppmm(xh, xl, a, b) \
196 __asm__ ("%@ Inlined umul_ppmm\n" \
197 "mov %|r0, %2, lsr #16 @ AAAA\n" \
198 "mov %|r2, %3, lsr #16 @ BBBB\n" \
199 "bic %|r1, %2, %|r0, lsl #16 @ aaaa\n" \
200 "bic %0, %3, %|r2, lsl #16 @ bbbb\n" \
201 "mul %1, %|r1, %|r2 @ aaaa * BBBB\n" \
202 "mul %|r2, %|r0, %|r2 @ AAAA * BBBB\n" \
203 "mul %|r1, %0, %|r1 @ aaaa * bbbb\n" \
204 "mul %0, %|r0, %0 @ AAAA * bbbb\n" \
205 "adds %|r0, %1, %0 @ central sum\n" \
206 "addcs %|r2, %|r2, #65536\n" \
207 "adds %1, %|r1, %|r0, lsl #16\n" \
208 "adc %0, %|r2, %|r0, lsr #16" \
209 : "=&r" ((USItype)(xh)), \
210 "=r" ((USItype)(xl)) \
211 : "r" ((USItype)(a)), \
215 #define umul_ppmm(xh, xl, a, b) \
216 __asm__ ("%@ Inlined umul_ppmm\n" \
217 "umull %r1, %r0, %r2, %r3" \
218 : "=&r" ((USItype)(xh)), \
219 "=r" ((USItype)(xl)) \
220 : "r" ((USItype)(a)), \
225 #define UDIV_TIME 100
228 /***************************************
229 ************** CLIPPER **************
230 ***************************************/
231 #if defined(__clipper__) && W_TYPE_SIZE == 32
232 #define umul_ppmm(w1, w0, u, v) \
233 ({union {UDItype __ll; \
234 struct {USItype __l, __h; } __i; \
236 __asm__ ("mulwux %2,%0" \
238 : "%0" ((USItype)(u)), \
239 "r" ((USItype)(v))); \
240 (w1) = __xx.__i.__h; (w0) = __xx.__i.__l; })
241 #define smul_ppmm(w1, w0, u, v) \
242 ({union {DItype __ll; \
243 struct {SItype __l, __h; } __i; \
245 __asm__ ("mulwx %2,%0" \
247 : "%0" ((SItype)(u)), \
248 "r" ((SItype)(v))); \
249 (w1) = __xx.__i.__h; (w0) = __xx.__i.__l; })
250 #define __umulsidi3(u, v) \
252 __asm__ ("mulwux %2,%0" \
254 : "%0" ((USItype)(u)), \
255 "r" ((USItype)(v))); \
257 #endif /* __clipper__ */
259 /***************************************
260 ************** GMICRO ***************
261 ***************************************/
262 #if defined(__gmicro__) && W_TYPE_SIZE == 32
263 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
264 __asm__ ("add.w %5,%1\n" \
266 : "=g" ((USItype)(sh)), \
267 "=&g" ((USItype)(sl)) \
268 : "%0" ((USItype)(ah)), \
269 "g" ((USItype)(bh)), \
270 "%1" ((USItype)(al)), \
272 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
273 __asm__ ("sub.w %5,%1\n" \
275 : "=g" ((USItype)(sh)), \
276 "=&g" ((USItype)(sl)) \
277 : "0" ((USItype)(ah)), \
278 "g" ((USItype)(bh)), \
279 "1" ((USItype)(al)), \
281 #define umul_ppmm(ph, pl, m0, m1) \
282 __asm__ ("mulx %3,%0,%1" \
283 : "=g" ((USItype)(ph)), \
284 "=r" ((USItype)(pl)) \
285 : "%0" ((USItype)(m0)), \
287 #define udiv_qrnnd(q, r, nh, nl, d) \
288 __asm__ ("divx %4,%0,%1" \
289 : "=g" ((USItype)(q)), \
290 "=r" ((USItype)(r)) \
291 : "1" ((USItype)(nh)), \
292 "0" ((USItype)(nl)), \
296 /***************************************
297 ************** HPPA *****************
298 ***************************************/
299 #if defined(__hppa) && W_TYPE_SIZE == 32
300 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
301 __asm__ ("add %4,%5,%1\n" \
303 : "=r" ((USItype)(sh)), \
304 "=&r" ((USItype)(sl)) \
305 : "%rM" ((USItype)(ah)), \
306 "rM" ((USItype)(bh)), \
307 "%rM" ((USItype)(al)), \
308 "rM" ((USItype)(bl)))
309 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
310 __asm__ ("sub %4,%5,%1\n" \
312 : "=r" ((USItype)(sh)), \
313 "=&r" ((USItype)(sl)) \
314 : "rM" ((USItype)(ah)), \
315 "rM" ((USItype)(bh)), \
316 "rM" ((USItype)(al)), \
317 "rM" ((USItype)(bl)))
318 #if 0 && defined(_PA_RISC1_1)
319 /* xmpyu uses floating point register which is not allowed in Linux kernel. */
320 #define umul_ppmm(wh, wl, u, v) \
322 union {UDItype __ll; \
323 struct {USItype __h, __l; } __i; \
325 __asm__ ("xmpyu %1,%2,%0" \
326 : "=*f" (__xx.__ll) \
327 : "*f" ((USItype)(u)), \
328 "*f" ((USItype)(v))); \
329 (wh) = __xx.__i.__h; \
330 (wl) = __xx.__i.__l; \
338 #if 0 /* #ifndef LONGLONG_STANDALONE */
339 #define udiv_qrnnd(q, r, n1, n0, d) \
341 (q) = __udiv_qrnnd(&__r, (n1), (n0), (d)); \
344 extern USItype __udiv_qrnnd();
345 #endif /* LONGLONG_STANDALONE */
348 /***************************************
349 ************** I370 *****************
350 ***************************************/
351 #if (defined(__i370__) || defined(__mvs__)) && W_TYPE_SIZE == 32
352 #define umul_ppmm(xh, xl, m0, m1) \
354 union {UDItype __ll; \
355 struct {USItype __h, __l; } __i; \
357 USItype __m0 = (m0), __m1 = (m1); \
358 __asm__ ("mr %0,%3" \
359 : "=r" (__xx.__i.__h), \
360 "=r" (__xx.__i.__l) \
363 (xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \
364 (xh) += ((((SItype) __m0 >> 31) & __m1) \
365 + (((SItype) __m1 >> 31) & __m0)); \
367 #define smul_ppmm(xh, xl, m0, m1) \
369 union {DItype __ll; \
370 struct {USItype __h, __l; } __i; \
372 __asm__ ("mr %0,%3" \
373 : "=r" (__xx.__i.__h), \
374 "=r" (__xx.__i.__l) \
377 (xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \
379 #define sdiv_qrnnd(q, r, n1, n0, d) \
381 union {DItype __ll; \
382 struct {USItype __h, __l; } __i; \
384 __xx.__i.__h = n1; __xx.__i.__l = n0; \
385 __asm__ ("dr %0,%2" \
387 : "0" (__xx.__ll), "r" (d)); \
388 (q) = __xx.__i.__l; (r) = __xx.__i.__h; \
392 /***************************************
393 ************** I386 *****************
394 ***************************************/
396 #if (defined(__i386__) || defined(__i486__)) && W_TYPE_SIZE == 32
397 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
398 __asm__ ("addl %5,%1\n" \
400 : "=r" ((USItype)(sh)), \
401 "=&r" ((USItype)(sl)) \
402 : "%0" ((USItype)(ah)), \
403 "g" ((USItype)(bh)), \
404 "%1" ((USItype)(al)), \
406 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
407 __asm__ ("subl %5,%1\n" \
409 : "=r" ((USItype)(sh)), \
410 "=&r" ((USItype)(sl)) \
411 : "0" ((USItype)(ah)), \
412 "g" ((USItype)(bh)), \
413 "1" ((USItype)(al)), \
415 #define umul_ppmm(w1, w0, u, v) \
417 : "=a" ((USItype)(w0)), \
418 "=d" ((USItype)(w1)) \
419 : "%0" ((USItype)(u)), \
421 #define udiv_qrnnd(q, r, n1, n0, d) \
423 : "=a" ((USItype)(q)), \
424 "=d" ((USItype)(r)) \
425 : "0" ((USItype)(n0)), \
426 "1" ((USItype)(n1)), \
436 /***************************************
437 ************** I860 *****************
438 ***************************************/
439 #if defined(__i860__) && W_TYPE_SIZE == 32
440 #define rshift_rhlc(r, h, l, c) \
441 __asm__ ("shr %3,r0,r0\n" \
443 "=r" (r) : "r" (h), "r" (l), "rn" (c))
446 /***************************************
447 ************** I960 *****************
448 ***************************************/
449 #if defined(__i960__) && W_TYPE_SIZE == 32
450 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
451 __asm__ ("cmpo 1,0\n" \
454 : "=r" ((USItype)(sh)), \
455 "=&r" ((USItype)(sl)) \
456 : "%dI" ((USItype)(ah)), \
457 "dI" ((USItype)(bh)), \
458 "%dI" ((USItype)(al)), \
459 "dI" ((USItype)(bl)))
460 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
461 __asm__ ("cmpo 0,0\n" \
464 : "=r" ((USItype)(sh)), \
465 "=&r" ((USItype)(sl)) \
466 : "dI" ((USItype)(ah)), \
467 "dI" ((USItype)(bh)), \
468 "dI" ((USItype)(al)), \
469 "dI" ((USItype)(bl)))
470 #define umul_ppmm(w1, w0, u, v) \
471 ({union {UDItype __ll; \
472 struct {USItype __l, __h; } __i; \
474 __asm__ ("emul %2,%1,%0" \
476 : "%dI" ((USItype)(u)), \
477 "dI" ((USItype)(v))); \
478 (w1) = __xx.__i.__h; (w0) = __xx.__i.__l; })
479 #define __umulsidi3(u, v) \
481 __asm__ ("emul %2,%1,%0" \
483 : "%dI" ((USItype)(u)), \
484 "dI" ((USItype)(v))); \
486 #define udiv_qrnnd(q, r, nh, nl, d) \
488 union {UDItype __ll; \
489 struct {USItype __l, __h; } __i; \
491 __nn.__i.__h = (nh); __nn.__i.__l = (nl); \
492 __asm__ ("ediv %d,%n,%0" \
494 : "dI" (__nn.__ll), \
495 "dI" ((USItype)(d))); \
496 (r) = __rq.__i.__l; (q) = __rq.__i.__h; \
498 #if defined(__i960mx) /* what is the proper symbol to test??? */
499 #define rshift_rhlc(r, h, l, c) \
501 union {UDItype __ll; \
502 struct {USItype __l, __h; } __i; \
504 __nn.__i.__h = (h); __nn.__i.__l = (l); \
505 __asm__ ("shre %2,%1,%0" \
506 : "=d" (r) : "dI" (__nn.__ll), "dI" (c)); \
511 /***************************************
512 ************** 68000 ****************
513 ***************************************/
514 #if (defined(__mc68000__) || defined(__mc68020__) || defined(__NeXT__) || defined(mc68020)) && W_TYPE_SIZE == 32
515 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
516 __asm__ ("add%.l %5,%1\n" \
518 : "=d" ((USItype)(sh)), \
519 "=&d" ((USItype)(sl)) \
520 : "%0" ((USItype)(ah)), \
521 "d" ((USItype)(bh)), \
522 "%1" ((USItype)(al)), \
524 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
525 __asm__ ("sub%.l %5,%1\n" \
527 : "=d" ((USItype)(sh)), \
528 "=&d" ((USItype)(sl)) \
529 : "0" ((USItype)(ah)), \
530 "d" ((USItype)(bh)), \
531 "1" ((USItype)(al)), \
533 #if (defined(__mc68020__) || defined(__NeXT__) || defined(mc68020))
534 #define umul_ppmm(w1, w0, u, v) \
535 __asm__ ("mulu%.l %3,%1:%0" \
536 : "=d" ((USItype)(w0)), \
537 "=d" ((USItype)(w1)) \
538 : "%0" ((USItype)(u)), \
539 "dmi" ((USItype)(v)))
541 #define udiv_qrnnd(q, r, n1, n0, d) \
542 __asm__ ("divu%.l %4,%1:%0" \
543 : "=d" ((USItype)(q)), \
544 "=d" ((USItype)(r)) \
545 : "0" ((USItype)(n0)), \
546 "1" ((USItype)(n1)), \
547 "dmi" ((USItype)(d)))
549 #define sdiv_qrnnd(q, r, n1, n0, d) \
550 __asm__ ("divs%.l %4,%1:%0" \
551 : "=d" ((USItype)(q)), \
552 "=d" ((USItype)(r)) \
553 : "0" ((USItype)(n0)), \
554 "1" ((USItype)(n1)), \
555 "dmi" ((USItype)(d)))
556 #else /* not mc68020 */
557 #define umul_ppmm(xh, xl, a, b) \
558 do { USItype __umul_tmp1, __umul_tmp2; \
559 __asm__ ("| Inlined umul_ppmm\n" \
572 "add%.l %#0x10000,%0\n" \
573 "1: move%.l %2,%3\n" \
580 "| End inlined umul_ppmm" \
581 : "=&d" ((USItype)(xh)), "=&d" ((USItype)(xl)), \
582 "=d" (__umul_tmp1), "=&d" (__umul_tmp2) \
583 : "%2" ((USItype)(a)), "d" ((USItype)(b))); \
585 #define UMUL_TIME 100
586 #define UDIV_TIME 400
587 #endif /* not mc68020 */
590 /***************************************
591 ************** 88000 ****************
592 ***************************************/
593 #if defined(__m88000__) && W_TYPE_SIZE == 32
594 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
595 __asm__ ("addu.co %1,%r4,%r5\n" \
596 "addu.ci %0,%r2,%r3" \
597 : "=r" ((USItype)(sh)), \
598 "=&r" ((USItype)(sl)) \
599 : "%rJ" ((USItype)(ah)), \
600 "rJ" ((USItype)(bh)), \
601 "%rJ" ((USItype)(al)), \
602 "rJ" ((USItype)(bl)))
603 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
604 __asm__ ("subu.co %1,%r4,%r5\n" \
605 "subu.ci %0,%r2,%r3" \
606 : "=r" ((USItype)(sh)), \
607 "=&r" ((USItype)(sl)) \
608 : "rJ" ((USItype)(ah)), \
609 "rJ" ((USItype)(bh)), \
610 "rJ" ((USItype)(al)), \
611 "rJ" ((USItype)(bl)))
612 #if defined(__m88110__)
613 #define umul_ppmm(wh, wl, u, v) \
615 union {UDItype __ll; \
616 struct {USItype __h, __l; } __i; \
618 __asm__ ("mulu.d %0,%1,%2" : "=r" (__x.__ll) : "r" (u), "r" (v)); \
619 (wh) = __x.__i.__h; \
620 (wl) = __x.__i.__l; \
622 #define udiv_qrnnd(q, r, n1, n0, d) \
623 ({union {UDItype __ll; \
624 struct {USItype __h, __l; } __i; \
626 __x.__i.__h = (n1); __x.__i.__l = (n0); \
627 __asm__ ("divu.d %0,%1,%2" \
628 : "=r" (__q.__ll) : "r" (__x.__ll), "r" (d)); \
629 (r) = (n0) - __q.__l * (d); (q) = __q.__l; })
634 #define UDIV_TIME 150
635 #endif /* __m88110__ */
636 #endif /* __m88000__ */
638 /***************************************
639 ************** MIPS *****************
640 ***************************************/
641 #if defined(__mips__) && W_TYPE_SIZE == 32
642 #if (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
643 #define umul_ppmm(w1, w0, u, v) \
645 UDItype __ll = (UDItype)(u) * (v); \
649 #elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
650 #define umul_ppmm(w1, w0, u, v) \
651 __asm__ ("multu %2,%3" \
652 : "=l" ((USItype)(w0)), \
653 "=h" ((USItype)(w1)) \
654 : "d" ((USItype)(u)), \
657 #define umul_ppmm(w1, w0, u, v) \
658 __asm__ ("multu %2,%3\n" \
661 : "=d" ((USItype)(w0)), \
662 "=d" ((USItype)(w1)) \
663 : "d" ((USItype)(u)), \
667 #define UDIV_TIME 100
668 #endif /* __mips__ */
670 /***************************************
671 ************** MIPS/64 **************
672 ***************************************/
673 #if (defined(__mips) && __mips >= 3) && W_TYPE_SIZE == 64
674 #if defined(__mips_isa_rev) && __mips_isa_rev >= 6 && defined(CONFIG_CC_IS_GCC)
676 * GCC ends up emitting a __multi3 intrinsic call for MIPS64r6 with the plain C
677 * code below, so we special case MIPS64r6 until the compiler can do better.
679 #define umul_ppmm(w1, w0, u, v) \
681 __asm__ ("dmulu %0,%1,%2" \
682 : "=d" ((UDItype)(w0)) \
683 : "d" ((UDItype)(u)), \
684 "d" ((UDItype)(v))); \
685 __asm__ ("dmuhu %0,%1,%2" \
686 : "=d" ((UDItype)(w1)) \
687 : "d" ((UDItype)(u)), \
688 "d" ((UDItype)(v))); \
690 #elif (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
691 #define umul_ppmm(w1, w0, u, v) \
693 typedef unsigned int __ll_UTItype __attribute__((mode(TI))); \
694 __ll_UTItype __ll = (__ll_UTItype)(u) * (v); \
698 #elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
699 #define umul_ppmm(w1, w0, u, v) \
700 __asm__ ("dmultu %2,%3" \
701 : "=l" ((UDItype)(w0)), \
702 "=h" ((UDItype)(w1)) \
703 : "d" ((UDItype)(u)), \
706 #define umul_ppmm(w1, w0, u, v) \
707 __asm__ ("dmultu %2,%3\n" \
710 : "=d" ((UDItype)(w0)), \
711 "=d" ((UDItype)(w1)) \
712 : "d" ((UDItype)(u)), \
716 #define UDIV_TIME 140
717 #endif /* __mips__ */
719 /***************************************
720 ************** 32000 ****************
721 ***************************************/
722 #if defined(__ns32000__) && W_TYPE_SIZE == 32
723 #define umul_ppmm(w1, w0, u, v) \
724 ({union {UDItype __ll; \
725 struct {USItype __l, __h; } __i; \
727 __asm__ ("meid %2,%0" \
729 : "%0" ((USItype)(u)), \
730 "g" ((USItype)(v))); \
731 (w1) = __xx.__i.__h; (w0) = __xx.__i.__l; })
732 #define __umulsidi3(u, v) \
734 __asm__ ("meid %2,%0" \
736 : "%0" ((USItype)(u)), \
737 "g" ((USItype)(v))); \
739 #define udiv_qrnnd(q, r, n1, n0, d) \
740 ({union {UDItype __ll; \
741 struct {USItype __l, __h; } __i; \
743 __xx.__i.__h = (n1); __xx.__i.__l = (n0); \
744 __asm__ ("deid %2,%0" \
747 "g" ((USItype)(d))); \
748 (r) = __xx.__i.__l; (q) = __xx.__i.__h; })
749 #endif /* __ns32000__ */
751 /***************************************
752 ************** PPC ******************
753 ***************************************/
754 #if (defined(_ARCH_PPC) || defined(_IBMR2)) && W_TYPE_SIZE == 32
755 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
757 if (__builtin_constant_p(bh) && (bh) == 0) \
758 __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{aze|addze} %0,%2" \
761 : "%r" ((USItype)(ah)), \
762 "%r" ((USItype)(al)), \
763 "rI" ((USItype)(bl))); \
764 else if (__builtin_constant_p(bh) && (bh) == ~(USItype) 0) \
765 __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{ame|addme} %0,%2" \
768 : "%r" ((USItype)(ah)), \
769 "%r" ((USItype)(al)), \
770 "rI" ((USItype)(bl))); \
772 __asm__ ("{a%I5|add%I5c} %1,%4,%5\n\t{ae|adde} %0,%2,%3" \
775 : "%r" ((USItype)(ah)), \
776 "r" ((USItype)(bh)), \
777 "%r" ((USItype)(al)), \
778 "rI" ((USItype)(bl))); \
780 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
782 if (__builtin_constant_p(ah) && (ah) == 0) \
783 __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfze|subfze} %0,%2" \
786 : "r" ((USItype)(bh)), \
787 "rI" ((USItype)(al)), \
788 "r" ((USItype)(bl))); \
789 else if (__builtin_constant_p(ah) && (ah) == ~(USItype) 0) \
790 __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfme|subfme} %0,%2" \
793 : "r" ((USItype)(bh)), \
794 "rI" ((USItype)(al)), \
795 "r" ((USItype)(bl))); \
796 else if (__builtin_constant_p(bh) && (bh) == 0) \
797 __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{ame|addme} %0,%2" \
800 : "r" ((USItype)(ah)), \
801 "rI" ((USItype)(al)), \
802 "r" ((USItype)(bl))); \
803 else if (__builtin_constant_p(bh) && (bh) == ~(USItype) 0) \
804 __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{aze|addze} %0,%2" \
807 : "r" ((USItype)(ah)), \
808 "rI" ((USItype)(al)), \
809 "r" ((USItype)(bl))); \
811 __asm__ ("{sf%I4|subf%I4c} %1,%5,%4\n\t{sfe|subfe} %0,%3,%2" \
814 : "r" ((USItype)(ah)), \
815 "r" ((USItype)(bh)), \
816 "rI" ((USItype)(al)), \
817 "r" ((USItype)(bl))); \
819 #if defined(_ARCH_PPC)
820 #define umul_ppmm(ph, pl, m0, m1) \
822 USItype __m0 = (m0), __m1 = (m1); \
823 __asm__ ("mulhwu %0,%1,%2" \
827 (pl) = __m0 * __m1; \
830 #define smul_ppmm(ph, pl, m0, m1) \
832 SItype __m0 = (m0), __m1 = (m1); \
833 __asm__ ("mulhw %0,%1,%2" \
834 : "=r" ((SItype) ph) \
837 (pl) = __m0 * __m1; \
840 #define UDIV_TIME 120
842 #define umul_ppmm(xh, xl, m0, m1) \
844 USItype __m0 = (m0), __m1 = (m1); \
845 __asm__ ("mul %0,%2,%3" \
846 : "=r" ((USItype)(xh)), \
847 "=q" ((USItype)(xl)) \
850 (xh) += ((((SItype) __m0 >> 31) & __m1) \
851 + (((SItype) __m1 >> 31) & __m0)); \
854 #define smul_ppmm(xh, xl, m0, m1) \
855 __asm__ ("mul %0,%2,%3" \
856 : "=r" ((SItype)(xh)), \
857 "=q" ((SItype)(xl)) \
861 #define sdiv_qrnnd(q, r, nh, nl, d) \
862 __asm__ ("div %0,%2,%4" \
863 : "=r" ((SItype)(q)), "=q" ((SItype)(r)) \
864 : "r" ((SItype)(nh)), "1" ((SItype)(nl)), "r" ((SItype)(d)))
865 #define UDIV_TIME 100
867 #endif /* Power architecture variants. */
869 /***************************************
870 ************** PYR ******************
871 ***************************************/
872 #if defined(__pyr__) && W_TYPE_SIZE == 32
873 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
874 __asm__ ("addw %5,%1\n" \
876 : "=r" ((USItype)(sh)), \
877 "=&r" ((USItype)(sl)) \
878 : "%0" ((USItype)(ah)), \
879 "g" ((USItype)(bh)), \
880 "%1" ((USItype)(al)), \
882 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
883 __asm__ ("subw %5,%1\n" \
885 : "=r" ((USItype)(sh)), \
886 "=&r" ((USItype)(sl)) \
887 : "0" ((USItype)(ah)), \
888 "g" ((USItype)(bh)), \
889 "1" ((USItype)(al)), \
891 /* This insn works on Pyramids with AP, XP, or MI CPUs, but not with SP. */
892 #define umul_ppmm(w1, w0, u, v) \
893 ({union {UDItype __ll; \
894 struct {USItype __h, __l; } __i; \
896 __asm__ ("movw %1,%R0\n" \
898 : "=&r" (__xx.__ll) \
899 : "g" ((USItype) (u)), \
900 "g" ((USItype)(v))); \
901 (w1) = __xx.__i.__h; (w0) = __xx.__i.__l; })
904 /***************************************
905 ************** RT/ROMP **************
906 ***************************************/
907 #if defined(__ibm032__) /* RT/ROMP */ && W_TYPE_SIZE == 32
908 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
909 __asm__ ("a %1,%5\n" \
911 : "=r" ((USItype)(sh)), \
912 "=&r" ((USItype)(sl)) \
913 : "%0" ((USItype)(ah)), \
914 "r" ((USItype)(bh)), \
915 "%1" ((USItype)(al)), \
917 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
918 __asm__ ("s %1,%5\n" \
920 : "=r" ((USItype)(sh)), \
921 "=&r" ((USItype)(sl)) \
922 : "0" ((USItype)(ah)), \
923 "r" ((USItype)(bh)), \
924 "1" ((USItype)(al)), \
926 #define umul_ppmm(ph, pl, m0, m1) \
928 USItype __m0 = (m0), __m1 = (m1); \
950 : "=r" ((USItype)(ph)), \
951 "=r" ((USItype)(pl)) \
955 (ph) += ((((SItype) __m0 >> 31) & __m1) \
956 + (((SItype) __m1 >> 31) & __m0)); \
959 #define UDIV_TIME 200
962 /***************************************
963 ************** SH2 ******************
964 ***************************************/
965 #if (defined(__sh2__) || defined(__sh3__) || defined(__SH4__)) \
967 #define umul_ppmm(w1, w0, u, v) \
972 : "=r" ((USItype)(w1)), \
973 "=r" ((USItype)(w0)) \
974 : "r" ((USItype)(u)), \
980 /***************************************
981 ************** SPARC ****************
982 ***************************************/
983 #if defined(__sparc__) && W_TYPE_SIZE == 32
984 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
985 __asm__ ("addcc %r4,%5,%1\n" \
987 : "=r" ((USItype)(sh)), \
988 "=&r" ((USItype)(sl)) \
989 : "%rJ" ((USItype)(ah)), \
990 "rI" ((USItype)(bh)), \
991 "%rJ" ((USItype)(al)), \
992 "rI" ((USItype)(bl)) \
994 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
995 __asm__ ("subcc %r4,%5,%1\n" \
997 : "=r" ((USItype)(sh)), \
998 "=&r" ((USItype)(sl)) \
999 : "rJ" ((USItype)(ah)), \
1000 "rI" ((USItype)(bh)), \
1001 "rJ" ((USItype)(al)), \
1002 "rI" ((USItype)(bl)) \
1004 #if defined(__sparc_v8__)
1005 /* Don't match immediate range because, 1) it is not often useful,
1006 2) the 'I' flag thinks of the range as a 13 bit signed interval,
1007 while we want to match a 13 bit interval, sign extended to 32 bits,
1008 but INTERPRETED AS UNSIGNED. */
1009 #define umul_ppmm(w1, w0, u, v) \
1010 __asm__ ("umul %2,%3,%1;rd %%y,%0" \
1011 : "=r" ((USItype)(w1)), \
1012 "=r" ((USItype)(w0)) \
1013 : "r" ((USItype)(u)), \
1016 #ifndef SUPERSPARC /* SuperSPARC's udiv only handles 53 bit dividends */
1017 #define udiv_qrnnd(q, r, n1, n0, d) \
1020 __asm__ ("mov %1,%%y;nop;nop;nop;udiv %2,%3,%0" \
1021 : "=r" ((USItype)(__q)) \
1022 : "r" ((USItype)(n1)), \
1023 "r" ((USItype)(n0)), \
1024 "r" ((USItype)(d))); \
1025 (r) = (n0) - __q * (d); \
1028 #define UDIV_TIME 25
1029 #endif /* SUPERSPARC */
1030 #else /* ! __sparc_v8__ */
1031 #if defined(__sparclite__)
1032 /* This has hardware multiply but not divide. It also has two additional
1033 instructions scan (ffs from high bit) and divscc. */
1034 #define umul_ppmm(w1, w0, u, v) \
1035 __asm__ ("umul %2,%3,%1;rd %%y,%0" \
1036 : "=r" ((USItype)(w1)), \
1037 "=r" ((USItype)(w0)) \
1038 : "r" ((USItype)(u)), \
1041 #define udiv_qrnnd(q, r, n1, n0, d) \
1042 __asm__ ("! Inlined udiv_qrnnd\n" \
1043 "wr %%g0,%2,%%y ! Not a delayed write for sparclite\n" \
1045 "divscc %3,%4,%%g1\n" \
1046 "divscc %%g1,%4,%%g1\n" \
1047 "divscc %%g1,%4,%%g1\n" \
1048 "divscc %%g1,%4,%%g1\n" \
1049 "divscc %%g1,%4,%%g1\n" \
1050 "divscc %%g1,%4,%%g1\n" \
1051 "divscc %%g1,%4,%%g1\n" \
1052 "divscc %%g1,%4,%%g1\n" \
1053 "divscc %%g1,%4,%%g1\n" \
1054 "divscc %%g1,%4,%%g1\n" \
1055 "divscc %%g1,%4,%%g1\n" \
1056 "divscc %%g1,%4,%%g1\n" \
1057 "divscc %%g1,%4,%%g1\n" \
1058 "divscc %%g1,%4,%%g1\n" \
1059 "divscc %%g1,%4,%%g1\n" \
1060 "divscc %%g1,%4,%%g1\n" \
1061 "divscc %%g1,%4,%%g1\n" \
1062 "divscc %%g1,%4,%%g1\n" \
1063 "divscc %%g1,%4,%%g1\n" \
1064 "divscc %%g1,%4,%%g1\n" \
1065 "divscc %%g1,%4,%%g1\n" \
1066 "divscc %%g1,%4,%%g1\n" \
1067 "divscc %%g1,%4,%%g1\n" \
1068 "divscc %%g1,%4,%%g1\n" \
1069 "divscc %%g1,%4,%%g1\n" \
1070 "divscc %%g1,%4,%%g1\n" \
1071 "divscc %%g1,%4,%%g1\n" \
1072 "divscc %%g1,%4,%%g1\n" \
1073 "divscc %%g1,%4,%%g1\n" \
1074 "divscc %%g1,%4,%%g1\n" \
1075 "divscc %%g1,%4,%%g1\n" \
1076 "divscc %%g1,%4,%0\n" \
1080 "1: ! End of inline udiv_qrnnd" \
1081 : "=r" ((USItype)(q)), \
1082 "=r" ((USItype)(r)) \
1083 : "r" ((USItype)(n1)), \
1084 "r" ((USItype)(n0)), \
1085 "rI" ((USItype)(d)) \
1086 : "%g1" __AND_CLOBBER_CC)
1087 #define UDIV_TIME 37
1088 #endif /* __sparclite__ */
1089 #endif /* __sparc_v8__ */
1090 /* Default to sparc v7 versions of umul_ppmm and udiv_qrnnd. */
1092 #define umul_ppmm(w1, w0, u, v) \
1093 __asm__ ("! Inlined umul_ppmm\n" \
1094 "wr %%g0,%2,%%y ! SPARC has 0-3 delay insn after a wr\n" \
1095 "sra %3,31,%%g2 ! Don't move this insn\n" \
1096 "and %2,%%g2,%%g2 ! Don't move this insn\n" \
1097 "andcc %%g0,0,%%g1 ! Don't move this insn\n" \
1098 "mulscc %%g1,%3,%%g1\n" \
1099 "mulscc %%g1,%3,%%g1\n" \
1100 "mulscc %%g1,%3,%%g1\n" \
1101 "mulscc %%g1,%3,%%g1\n" \
1102 "mulscc %%g1,%3,%%g1\n" \
1103 "mulscc %%g1,%3,%%g1\n" \
1104 "mulscc %%g1,%3,%%g1\n" \
1105 "mulscc %%g1,%3,%%g1\n" \
1106 "mulscc %%g1,%3,%%g1\n" \
1107 "mulscc %%g1,%3,%%g1\n" \
1108 "mulscc %%g1,%3,%%g1\n" \
1109 "mulscc %%g1,%3,%%g1\n" \
1110 "mulscc %%g1,%3,%%g1\n" \
1111 "mulscc %%g1,%3,%%g1\n" \
1112 "mulscc %%g1,%3,%%g1\n" \
1113 "mulscc %%g1,%3,%%g1\n" \
1114 "mulscc %%g1,%3,%%g1\n" \
1115 "mulscc %%g1,%3,%%g1\n" \
1116 "mulscc %%g1,%3,%%g1\n" \
1117 "mulscc %%g1,%3,%%g1\n" \
1118 "mulscc %%g1,%3,%%g1\n" \
1119 "mulscc %%g1,%3,%%g1\n" \
1120 "mulscc %%g1,%3,%%g1\n" \
1121 "mulscc %%g1,%3,%%g1\n" \
1122 "mulscc %%g1,%3,%%g1\n" \
1123 "mulscc %%g1,%3,%%g1\n" \
1124 "mulscc %%g1,%3,%%g1\n" \
1125 "mulscc %%g1,%3,%%g1\n" \
1126 "mulscc %%g1,%3,%%g1\n" \
1127 "mulscc %%g1,%3,%%g1\n" \
1128 "mulscc %%g1,%3,%%g1\n" \
1129 "mulscc %%g1,%3,%%g1\n" \
1130 "mulscc %%g1,0,%%g1\n" \
1131 "add %%g1,%%g2,%0\n" \
1133 : "=r" ((USItype)(w1)), \
1134 "=r" ((USItype)(w0)) \
1135 : "%rI" ((USItype)(u)), \
1136 "r" ((USItype)(v)) \
1137 : "%g1", "%g2" __AND_CLOBBER_CC)
1138 #define UMUL_TIME 39 /* 39 instructions */
1139 /* It's quite necessary to add this much assembler for the sparc.
1140 The default udiv_qrnnd (in C) is more than 10 times slower! */
1141 #define udiv_qrnnd(q, r, n1, n0, d) \
1142 __asm__ ("! Inlined udiv_qrnnd\n\t" \
1144 "subcc %1,%2,%%g0\n\t" \
1146 "addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb\n\t" \
1147 "sub %1,%2,%1 ! this kills msb of n\n\t" \
1148 "addx %1,%1,%1 ! so this can't give carry\n\t" \
1149 "subcc %%g1,1,%%g1\n\t" \
1151 "subcc %1,%2,%%g0\n\t" \
1153 "addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb\n\t" \
1155 "sub %1,%2,%1 ! this kills msb of n\n\t" \
1156 "4: sub %1,%2,%1\n\t" \
1157 "5: addxcc %1,%1,%1\n\t" \
1159 "subcc %%g1,1,%%g1\n\t" \
1160 "! Got carry from n. Subtract next step to cancel this carry.\n\t" \
1162 "addcc %0,%0,%0 ! shift n1n0 and a 0-bit in lsb\n\t" \
1163 "sub %1,%2,%1\n\t" \
1164 "3: xnor %0,0,%0\n\t" \
1165 "! End of inline udiv_qrnnd\n" \
1166 : "=&r" ((USItype)(q)), \
1167 "=&r" ((USItype)(r)) \
1168 : "r" ((USItype)(d)), \
1169 "1" ((USItype)(n1)), \
1170 "0" ((USItype)(n0)) : "%g1", "cc")
1171 #define UDIV_TIME (3+7*32) /* 7 instructions/iteration. 32 iterations. */
1173 #endif /* __sparc__ */
1175 /***************************************
1176 ************** VAX ******************
1177 ***************************************/
1178 #if defined(__vax__) && W_TYPE_SIZE == 32
1179 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
1180 __asm__ ("addl2 %5,%1\n" \
1182 : "=g" ((USItype)(sh)), \
1183 "=&g" ((USItype)(sl)) \
1184 : "%0" ((USItype)(ah)), \
1185 "g" ((USItype)(bh)), \
1186 "%1" ((USItype)(al)), \
1187 "g" ((USItype)(bl)))
1188 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
1189 __asm__ ("subl2 %5,%1\n" \
1191 : "=g" ((USItype)(sh)), \
1192 "=&g" ((USItype)(sl)) \
1193 : "0" ((USItype)(ah)), \
1194 "g" ((USItype)(bh)), \
1195 "1" ((USItype)(al)), \
1196 "g" ((USItype)(bl)))
1197 #define umul_ppmm(xh, xl, m0, m1) \
1199 union {UDItype __ll; \
1200 struct {USItype __l, __h; } __i; \
1202 USItype __m0 = (m0), __m1 = (m1); \
1203 __asm__ ("emul %1,%2,$0,%0" \
1204 : "=g" (__xx.__ll) \
1207 (xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \
1208 (xh) += ((((SItype) __m0 >> 31) & __m1) \
1209 + (((SItype) __m1 >> 31) & __m0)); \
1211 #define sdiv_qrnnd(q, r, n1, n0, d) \
1213 union {DItype __ll; \
1214 struct {SItype __l, __h; } __i; \
1216 __xx.__i.__h = n1; __xx.__i.__l = n0; \
1217 __asm__ ("ediv %3,%2,%0,%1" \
1218 : "=g" (q), "=g" (r) \
1219 : "g" (__xx.__ll), "g" (d)); \
1221 #endif /* __vax__ */
1223 /***************************************
1224 ************** Z8000 ****************
1225 ***************************************/
1226 #if defined(__z8000__) && W_TYPE_SIZE == 16
1227 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
1228 __asm__ ("add %H1,%H5\n\tadc %H0,%H3" \
1229 : "=r" ((unsigned int)(sh)), \
1230 "=&r" ((unsigned int)(sl)) \
1231 : "%0" ((unsigned int)(ah)), \
1232 "r" ((unsigned int)(bh)), \
1233 "%1" ((unsigned int)(al)), \
1234 "rQR" ((unsigned int)(bl)))
1235 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
1236 __asm__ ("sub %H1,%H5\n\tsbc %H0,%H3" \
1237 : "=r" ((unsigned int)(sh)), \
1238 "=&r" ((unsigned int)(sl)) \
1239 : "0" ((unsigned int)(ah)), \
1240 "r" ((unsigned int)(bh)), \
1241 "1" ((unsigned int)(al)), \
1242 "rQR" ((unsigned int)(bl)))
1243 #define umul_ppmm(xh, xl, m0, m1) \
1245 union {long int __ll; \
1246 struct {unsigned int __h, __l; } __i; \
1248 unsigned int __m0 = (m0), __m1 = (m1); \
1249 __asm__ ("mult %S0,%H3" \
1250 : "=r" (__xx.__i.__h), \
1251 "=r" (__xx.__i.__l) \
1254 (xh) = __xx.__i.__h; (xl) = __xx.__i.__l; \
1255 (xh) += ((((signed int) __m0 >> 15) & __m1) \
1256 + (((signed int) __m1 >> 15) & __m0)); \
1258 #endif /* __z8000__ */
1260 #endif /* __GNUC__ */
1262 /***************************************
1263 *********** Generic Versions ********
1264 ***************************************/
1265 #if !defined(umul_ppmm) && defined(__umulsidi3)
1266 #define umul_ppmm(ph, pl, m0, m1) \
1268 UDWtype __ll = __umulsidi3(m0, m1); \
1269 ph = (UWtype) (__ll >> W_TYPE_SIZE); \
1270 pl = (UWtype) __ll; \
1274 #if !defined(__umulsidi3)
1275 #define __umulsidi3(u, v) \
1276 ({UWtype __hi, __lo; \
1277 umul_ppmm(__hi, __lo, u, v); \
1278 ((UDWtype) __hi << W_TYPE_SIZE) | __lo; })
1281 /* If this machine has no inline assembler, use C macros. */
1283 #if !defined(add_ssaaaa)
1284 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \
1287 __x = (al) + (bl); \
1288 (sh) = (ah) + (bh) + (__x < (al)); \
1293 #if !defined(sub_ddmmss)
1294 #define sub_ddmmss(sh, sl, ah, al, bh, bl) \
1297 __x = (al) - (bl); \
1298 (sh) = (ah) - (bh) - (__x > (al)); \
1303 #if !defined(umul_ppmm)
1304 #define umul_ppmm(w1, w0, u, v) \
1306 UWtype __x0, __x1, __x2, __x3; \
1307 UHWtype __ul, __vl, __uh, __vh; \
1308 UWtype __u = (u), __v = (v); \
1310 __ul = __ll_lowpart(__u); \
1311 __uh = __ll_highpart(__u); \
1312 __vl = __ll_lowpart(__v); \
1313 __vh = __ll_highpart(__v); \
1315 __x0 = (UWtype) __ul * __vl; \
1316 __x1 = (UWtype) __ul * __vh; \
1317 __x2 = (UWtype) __uh * __vl; \
1318 __x3 = (UWtype) __uh * __vh; \
1320 __x1 += __ll_highpart(__x0);/* this can't give carry */ \
1321 __x1 += __x2; /* but this indeed can */ \
1322 if (__x1 < __x2) /* did we get it? */ \
1323 __x3 += __ll_B; /* yes, add it in the proper pos. */ \
1325 (w1) = __x3 + __ll_highpart(__x1); \
1326 (w0) = (__ll_lowpart(__x1) << W_TYPE_SIZE/2) + __ll_lowpart(__x0); \
1330 #if !defined(umul_ppmm)
1331 #define smul_ppmm(w1, w0, u, v) \
1334 UWtype __m0 = (u), __m1 = (v); \
1335 umul_ppmm(__w1, w0, __m0, __m1); \
1336 (w1) = __w1 - (-(__m0 >> (W_TYPE_SIZE - 1)) & __m1) \
1337 - (-(__m1 >> (W_TYPE_SIZE - 1)) & __m0); \
1341 /* Define this unconditionally, so it can be used for debugging. */
1342 #define __udiv_qrnnd_c(q, r, n1, n0, d) \
1344 UWtype __d1, __d0, __q1, __q0, __r1, __r0, __m; \
1345 __d1 = __ll_highpart(d); \
1346 __d0 = __ll_lowpart(d); \
1348 __r1 = (n1) % __d1; \
1349 __q1 = (n1) / __d1; \
1350 __m = (UWtype) __q1 * __d0; \
1351 __r1 = __r1 * __ll_B | __ll_highpart(n0); \
1353 __q1--, __r1 += (d); \
1354 if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */ \
1356 __q1--, __r1 += (d); \
1360 __r0 = __r1 % __d1; \
1361 __q0 = __r1 / __d1; \
1362 __m = (UWtype) __q0 * __d0; \
1363 __r0 = __r0 * __ll_B | __ll_lowpart(n0); \
1365 __q0--, __r0 += (d); \
1368 __q0--, __r0 += (d); \
1372 (q) = (UWtype) __q1 * __ll_B | __q0; \
1376 /* If the processor has no udiv_qrnnd but sdiv_qrnnd, go through
1377 __udiv_w_sdiv (defined in libgcc or elsewhere). */
1378 #if !defined(udiv_qrnnd) && defined(sdiv_qrnnd)
1379 #define udiv_qrnnd(q, r, nh, nl, d) \
1382 (q) = __MPN(udiv_w_sdiv) (&__r, nh, nl, d); \
1387 /* If udiv_qrnnd was not defined for this processor, use __udiv_qrnnd_c. */
1388 #if !defined(udiv_qrnnd)
1389 #define UDIV_NEEDS_NORMALIZATION 1
1390 #define udiv_qrnnd __udiv_qrnnd_c
1393 #ifndef UDIV_NEEDS_NORMALIZATION
1394 #define UDIV_NEEDS_NORMALIZATION 0