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Merge longlong.h from glibc tree.

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From-SVN: r209649
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Yufeng Zhang 2014-04-22 16:31:45 +00:00 committed by Marcus Shawcroft
parent e54c2dd3e2
commit 130a78598c
2 changed files with 21 additions and 1 deletions
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4
include/ChangeLog
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@ -1,3 +1,7 @@
2014-04-22 Yufeng Zhang <yufeng.zhang@arm.com>
* longlong.h: Merge from glibc.
2014-01-21 Tom Tromey <tromey@redhat.com>
* ansidecl.h (ANSI_PROTOTYPES, PTRCONST, LONG_DOUBLE, PARAMS)

18
include/longlong.h
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@ -1,5 +1,5 @@
/* longlong.h -- definitions for mixed size 32/64 bit arithmetic.
Copyright (C) 1991-2013 Free Software Foundation, Inc.
Copyright (C) 1991-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
@ -122,6 +122,22 @@ extern const UQItype __clz_tab[256] attribute_hidden;
#define __AND_CLOBBER_CC , "cc"
#endif /* __GNUC__ < 2 */
#if defined (__aarch64__)
#if W_TYPE_SIZE == 32
#define count_leading_zeros(COUNT, X) ((COUNT) = __builtin_clz (X))
#define count_trailing_zeros(COUNT, X) ((COUNT) = __builtin_ctz (X))
#define COUNT_LEADING_ZEROS_0 32
#endif /* W_TYPE_SIZE == 32 */
#if W_TYPE_SIZE == 64
#define count_leading_zeros(COUNT, X) ((COUNT) = __builtin_clzll (X))
#define count_trailing_zeros(COUNT, X) ((COUNT) = __builtin_ctzll (X))
#define COUNT_LEADING_ZEROS_0 64
#endif /* W_TYPE_SIZE == 64 */
#endif /* __aarch64__ */
#if defined (__alpha) && W_TYPE_SIZE == 64
#define umul_ppmm(ph, pl, m0, m1) \
do { \