+2006-03-15 Kazu Hirata <kazu@codesourcery.com>
+
+ * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
+ iterator-style macro.
+ (mark_control_dependent_edges_necessary): Update the use of
+ EXECUTE_IF_CONTROL_DEPENDENT.
+
2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
* config/sh/predicates.md (cache_address_operand): Special.
to be recomputed. */
static bool cfg_altered;
-/* Execute CODE for each edge (given number EDGE_NUMBER within the CODE)
- for which the block with index N is control dependent. */
-#define EXECUTE_IF_CONTROL_DEPENDENT(N, EDGE_NUMBER, CODE) \
- { \
- bitmap_iterator bi; \
- \
- EXECUTE_IF_SET_IN_BITMAP (control_dependence_map[N], 0, EDGE_NUMBER, bi) \
- { \
- CODE; \
- } \
- }
+/* Execute code that follows the macro for each edge (given number
+ EDGE_NUMBER within the CODE) for which the block with index N is
+ control dependent. */
+#define EXECUTE_IF_CONTROL_DEPENDENT(BI, N, EDGE_NUMBER) \
+ EXECUTE_IF_SET_IN_BITMAP (control_dependence_map[(N)], 0, \
+ (EDGE_NUMBER), (BI))
/* Local function prototypes. */
static inline void set_control_dependence_map_bit (basic_block, int);
static void
mark_control_dependent_edges_necessary (basic_block bb, struct edge_list *el)
{
+ bitmap_iterator bi;
unsigned edge_number;
gcc_assert (bb != EXIT_BLOCK_PTR);
if (bb == ENTRY_BLOCK_PTR)
return;
- EXECUTE_IF_CONTROL_DEPENDENT (bb->index, edge_number,
+ EXECUTE_IF_CONTROL_DEPENDENT (bi, bb->index, edge_number)
{
tree t;
basic_block cd_bb = INDEX_EDGE_PRED_BB (el, edge_number);
t = last_stmt (cd_bb);
if (t && is_ctrl_stmt (t))
mark_stmt_necessary (t, true);
- });
+ }
}
\f
/* Propagate necessity using the operands of necessary statements. Process