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authorUlrich Drepper <drepper@redhat.com>1999-11-22 23:38:50 +0000
committerUlrich Drepper <drepper@redhat.com>1999-11-22 23:38:50 +0000
commit1da2d51aebf6dc722aaf1793d8608b028eec12ed (patch)
treeaefaffa5be89b470b3c004463fd37341f59b514b /stdlib/longlong.h
parent20bdb31bfc27e044290756a681e3329f6e677ab7 (diff)
downloadglibc-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.h1428
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"