From: Yufeng Zhang Date: Tue, 22 Apr 2014 16:31:45 +0000 (+0000) Subject: Merge longlong.h from glibc tree. X-Git-Tag: releases/gcc-5.1.0~7998 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=130a78598c61b8baa81a68586eb2bed9856df566;p=thirdparty%2Fgcc.git Merge longlong.h from glibc tree. From-SVN: r209649 --- diff --git a/include/ChangeLog b/include/ChangeLog index d83e6b74720d..9d28cea1bbdd 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,7 @@ +2014-04-22 Yufeng Zhang + + * longlong.h: Merge from glibc. + 2014-01-21 Tom Tromey * ansidecl.h (ANSI_PROTOTYPES, PTRCONST, LONG_DOUBLE, PARAMS) diff --git a/include/longlong.h b/include/longlong.h index 5f00e548a709..d45dbe2b73bd 100644 --- a/include/longlong.h +++ b/include/longlong.h @@ -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 { \