diff options
Diffstat (limited to 'gcc/integrate.h')
| -rw-r--r-- | gcc/integrate.h | 46 |
1 files changed, 32 insertions, 14 deletions
diff --git a/gcc/integrate.h b/gcc/integrate.h index 23e2e561d94..03825591bc0 100644 --- a/gcc/integrate.h +++ b/gcc/integrate.h @@ -18,6 +18,8 @@ along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#include "varray.h" + /* This structure is used to remap objects in the function being inlined to those belonging to the calling function. It is passed by expand_inline_function to its children. @@ -67,19 +69,15 @@ struct inline_remap pseudos that contain pointers into the replacement area allocated for this inline instance. These pseudos are then marked as being equivalent to the appropriate address and substituted if valid. */ - rtx *const_equiv_map; - /* Number of entries in const_equiv_map and const_arg_map. */ - int const_equiv_map_size; + varray_type const_equiv_varray; /* This is incremented for each new basic block. - It is used to store in const_age_map to record the domain of validity - of each entry in const_equiv_map. + It is used to store in the age field to record the domain of validity + of each entry in const_equiv_varray. A value of -1 indicates an entry for a reg which is a parm. All other values are "positive". */ #define CONST_AGE_PARM (-1) unsigned int const_age; - /* In parallel with const_equiv_map, record the valid age for each entry. - The entry is invalid if its age is less than const_age. */ - unsigned int *const_age_map; + /* Target of the inline function being expanded, or NULL if none. */ rtx inline_target; /* When an insn is being copied by copy_rtx_and_substitute, @@ -128,9 +126,29 @@ extern rtx get_label_from_map PROTO((struct inline_remap *, int)); /* Set the label indicated. */ #define set_label_in_map(MAP, I, X) ((MAP)->label_map[I] = (X)) -/* Unfortunately, we need a global copy of const_equiv map for communication - with a function called from note_stores. Be *very* careful that this - is used properly in the presence of recursion. */ - -extern rtx *global_const_equiv_map; -extern int global_const_equiv_map_size; +/* Unfortunately, we need a global copy of const_equiv varray for + communication with a function called from note_stores. Be *very* + careful that this is used properly in the presence of recursion. */ + +extern varray_type global_const_equiv_varray; + +#define MAYBE_EXTEND_CONST_EQUIV_VARRAY(MAP,MAX) \ + { \ + if ((MAX) >= VARRAY_SIZE ((MAP)->const_equiv_varray)) \ + { \ + int is_global = (global_const_equiv_varray \ + == (MAP)->const_equiv_varray); \ + VARRAY_GROW ((MAP)->const_equiv_varray, (MAX)+1); \ + if (is_global) \ + global_const_equiv_varray = (MAP)->const_equiv_varray; \ + } \ + } + +#define SET_CONST_EQUIV_DATA(MAP,REG,RTX,AGE) \ + { \ + struct const_equiv_data *p; \ + MAYBE_EXTEND_CONST_EQUIV_VARRAY ((MAP), REGNO (REG)); \ + p = &VARRAY_CONST_EQUIV ((MAP)->const_equiv_varray, REGNO (REG)); \ + p->rtx = (RTX); \ + p->age = (AGE); \ + } |