diff options
Diffstat (limited to 'gcc/double-int.h')
| -rw-r--r-- | gcc/double-int.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/gcc/double-int.h b/gcc/double-int.h index 8418589..30e32fc 100644 --- a/gcc/double-int.h +++ b/gcc/double-int.h @@ -1,5 +1,5 @@ /* Operations with long integers. - Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc. + Copyright (C) 2006, 2007, 2008, 2010 Free Software Foundation, Inc. This file is part of GCC. @@ -57,6 +57,8 @@ typedef struct HOST_WIDE_INT high; } double_int; +#define HOST_BITS_PER_DOUBLE_INT (2 * HOST_BITS_PER_WIDE_INT) + union tree_node; /* Constructors and conversions. */ @@ -127,7 +129,29 @@ double_int double_int_umod (double_int, double_int, unsigned); double_int double_int_divmod (double_int, double_int, bool, unsigned, double_int *); double_int double_int_sdivmod (double_int, double_int, unsigned, double_int *); double_int double_int_udivmod (double_int, double_int, unsigned, double_int *); -bool double_int_negative_p (double_int); + +/* Logical operations. */ +static inline double_int +double_int_not (double_int a) +{ + a.low = ~a.low; + a.high = ~ a.high; + return a; +} + +/* Shift operations. */ +double_int double_int_lshift (double_int, HOST_WIDE_INT, unsigned int, bool); +double_int double_int_rshift (double_int, HOST_WIDE_INT, unsigned int, bool); + +/* Returns true if CST is negative. Of course, CST is considered to + be signed. */ + +static inline bool +double_int_negative_p (double_int cst) +{ + return cst.high < 0; +} + int double_int_cmp (double_int, double_int, bool); int double_int_scmp (double_int, double_int); int double_int_ucmp (double_int, double_int); |