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| author | Kenneth Zadeck <zadeck@naturalbridge.com> | 2014-05-06 16:25:05 +0000 |
|---|---|---|
| committer | Mike Stump <mrs@gcc.gnu.org> | 2014-05-06 16:25:05 +0000 |
| commit | 807e902eea17f3132488c256c963823976b2348c (patch) | |
| tree | e5e1af94eb1502ba893bd6ce4a11f68877ff62a9 /gcc/cfgloop.h | |
| parent | 6122336c832dc4dfedc49279549caddce86306ff (diff) | |
| download | gcc-807e902eea17f3132488c256c963823976b2348c.zip gcc-807e902eea17f3132488c256c963823976b2348c.tar.gz gcc-807e902eea17f3132488c256c963823976b2348c.tar.bz2 | |
Merge in wide-int.
From-SVN: r210113
Diffstat (limited to 'gcc/cfgloop.h')
| -rw-r--r-- | gcc/cfgloop.h | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/gcc/cfgloop.h b/gcc/cfgloop.h index 10a00ea..ab8b809 100644 --- a/gcc/cfgloop.h +++ b/gcc/cfgloop.h @@ -21,6 +21,7 @@ along with GCC; see the file COPYING3. If not see #define GCC_CFGLOOP_H #include "double-int.h" +#include "wide-int.h" #include "bitmap.h" #include "sbitmap.h" #include "function.h" @@ -62,7 +63,7 @@ struct GTY ((chain_next ("%h.next"))) nb_iter_bound { overflows (as MAX + 1 is sometimes produced as the estimate on number of executions of STMT). b) it is consistent with the result of number_of_iterations_exit. */ - double_int bound; + widest_int bound; /* True if the statement will cause the loop to be leaved the (at most) BOUND + 1-st time it is executed, that is, all the statements after it @@ -146,12 +147,12 @@ struct GTY ((chain_next ("%h.next"))) loop { /* An integer guaranteed to be greater or equal to nb_iterations. Only valid if any_upper_bound is true. */ - double_int nb_iterations_upper_bound; + widest_int nb_iterations_upper_bound; /* An integer giving an estimate on nb_iterations. Unlike nb_iterations_upper_bound, there is no guarantee that it is at least nb_iterations. */ - double_int nb_iterations_estimate; + widest_int nb_iterations_estimate; bool any_upper_bound; bool any_estimate; @@ -737,27 +738,27 @@ loop_outermost (struct loop *loop) return (*loop->superloops)[1]; } -extern void record_niter_bound (struct loop *, double_int, bool, bool); +extern void record_niter_bound (struct loop *, const widest_int &, bool, bool); extern HOST_WIDE_INT get_estimated_loop_iterations_int (struct loop *); extern HOST_WIDE_INT get_max_loop_iterations_int (struct loop *); -extern bool get_estimated_loop_iterations (struct loop *loop, double_int *nit); -extern bool get_max_loop_iterations (struct loop *loop, double_int *nit); +extern bool get_estimated_loop_iterations (struct loop *loop, widest_int *nit); +extern bool get_max_loop_iterations (struct loop *loop, widest_int *nit); extern int bb_loop_depth (const_basic_block); -/* Converts VAL to double_int. */ +/* Converts VAL to widest_int. */ -static inline double_int -gcov_type_to_double_int (gcov_type val) +static inline widest_int +gcov_type_to_wide_int (gcov_type val) { - double_int ret; + HOST_WIDE_INT a[2]; - ret.low = (unsigned HOST_WIDE_INT) val; + a[0] = (unsigned HOST_WIDE_INT) val; /* If HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_WIDEST_INT, avoid shifting by the size of type. */ val >>= HOST_BITS_PER_WIDE_INT - 1; val >>= 1; - ret.high = (unsigned HOST_WIDE_INT) val; + a[1] = (unsigned HOST_WIDE_INT) val; - return ret; + return widest_int::from_array (a, 2); } #endif /* GCC_CFGLOOP_H */ |