diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree.c | 22 | ||||
| -rw-r--r-- | gcc/tree.h | 16 |
3 files changed, 43 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 20504ae..276c1cb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2013-11-18 Richard Sandiford <rdsandiford@googlemail.com> + * tree.h (tree_to_shwi, tree_to_uhwi): Declare, with inline expansions. + * tree.c (tree_to_shwi, tree_to_uhwi): New functions. + +2013-11-18 Richard Sandiford <rdsandiford@googlemail.com> + * expr.h: Update comments to refer to tree_fits_[su]hwi_p rather than host_integerp. @@ -7027,6 +7027,28 @@ tree_low_cst (const_tree t, int pos) return TREE_INT_CST_LOW (t); } +/* T is an INTEGER_CST whose numerical value (extended according to + TYPE_UNSIGNED) fits in a signed HOST_WIDE_INT. Return that + HOST_WIDE_INT. */ + +HOST_WIDE_INT +tree_to_shwi (const_tree t) +{ + gcc_assert (tree_fits_shwi_p (t)); + return TREE_INT_CST_LOW (t); +} + +/* T is an INTEGER_CST whose numerical value (extended according to + TYPE_UNSIGNED) fits in an unsigned HOST_WIDE_INT. Return that + HOST_WIDE_INT. */ + +HOST_WIDE_INT +tree_to_uhwi (const_tree t) +{ + gcc_assert (tree_fits_uhwi_p (t)); + return TREE_INT_CST_LOW (t); +} + /* Return the most significant (sign) bit of T. */ int @@ -3673,6 +3673,8 @@ extern bool tree_fits_uhwi_p (const_tree) #endif ; extern HOST_WIDE_INT tree_low_cst (const_tree, int); +extern HOST_WIDE_INT tree_to_shwi (const_tree); +extern HOST_WIDE_INT tree_to_uhwi (const_tree); #if !defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 4003) extern inline __attribute__ ((__gnu_inline__)) HOST_WIDE_INT tree_low_cst (const_tree t, int pos) @@ -3680,6 +3682,20 @@ tree_low_cst (const_tree t, int pos) gcc_assert (host_integerp (t, pos)); return TREE_INT_CST_LOW (t); } + +extern inline __attribute__ ((__gnu_inline__)) HOST_WIDE_INT +tree_to_shwi (const_tree t) +{ + gcc_assert (tree_fits_shwi_p (t)); + return TREE_INT_CST_LOW (t); +} + +extern inline __attribute__ ((__gnu_inline__)) HOST_WIDE_INT +tree_to_uhwi (const_tree t) +{ + gcc_assert (tree_fits_uhwi_p (t)); + return TREE_INT_CST_LOW (t); +} #endif extern int tree_int_cst_sgn (const_tree); extern int tree_int_cst_sign_bit (const_tree); |