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649db36
)
Save the index of the startblock in the first function block, so we must not seek
author
Michael Beck
<beck@ipd.info.uni-karlsruhe.de>
Fri, 11 Jun 2004 12:43:25 +0000
(12:43 +0000)
committer
Michael Beck
<beck@ipd.info.uni-karlsruhe.de>
Fri, 11 Jun 2004 12:43:25 +0000
(12:43 +0000)
it again.
[r3052]
ir/opt/tailrec.c
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diff --git
a/ir/opt/tailrec.c
b/ir/opt/tailrec.c
index
70b9ba2
..
c60eb61
100644
(file)
--- a/
ir/opt/tailrec.c
+++ b/
ir/opt/tailrec.c
@@
-33,6
+33,7
@@
typedef struct _collect_t {
ir_node *proj_X; /**< initial exec proj */
ir_node *block; /**< old first block */
typedef struct _collect_t {
ir_node *proj_X; /**< initial exec proj */
ir_node *block; /**< old first block */
+ int blk_idx; /**< cfgpred index of the initial exec in block */
ir_node *proj_m; /**< linked list of memory from start proj's */
ir_node *proj_data; /**< linked list of all parameter access proj's */
} collect_t;
ir_node *proj_m; /**< linked list of memory from start proj's */
ir_node *proj_data; /**< linked list of all parameter access proj's */
} collect_t;
@@
-87,7
+88,8
@@
static void collect_data(ir_node *node, void *env)
if (node != current_ir_graph->start_block) {
for (i = 0; i < n_pred; ++i) {
if (get_Block_cfgpred(node, i) == data->proj_X) {
if (node != current_ir_graph->start_block) {
for (i = 0; i < n_pred; ++i) {
if (get_Block_cfgpred(node, i) == data->proj_X) {
- data->block = node;
+ data->block = node;
+ data->blk_idx = i;
break;
}
}
break;
}
}
@@
-135,6
+137,7
@@
static void do_opt_tail_rec(ir_graph *irg, ir_node *rets, int n_tail_calls)
/* collect needed data */
data.proj_X = NULL;
data.block = NULL;
/* collect needed data */
data.proj_X = NULL;
data.block = NULL;
+ data.blk_idx = -1;
data.proj_m = NULL;
data.proj_data = NULL;
irg_walk_graph(irg, NULL, collect_data, &data);
data.proj_m = NULL;
data.proj_data = NULL;
irg_walk_graph(irg, NULL, collect_data, &data);
@@
-173,12
+176,7
@@
static void do_opt_tail_rec(ir_graph *irg, ir_node *rets, int n_tail_calls)
jmp = new_Jmp();
/* the old first block is now the second one */
jmp = new_Jmp();
/* the old first block is now the second one */
- for (i = 0; i < get_Block_n_cfgpreds(data.block); ++i) {
- if (get_Block_cfgpred(data.block, i) == data.proj_X) {
- set_Block_cfgpred(data.block, i, jmp);
- break;
- }
- }
+ set_Block_cfgpred(data.block, data.blk_idx, jmp);
/* allocate phi's, position 0 contains the memory phi */
NEW_ARR_A(ir_node *, phis, n_params + 1);
/* allocate phi's, position 0 contains the memory phi */
NEW_ARR_A(ir_node *, phis, n_params + 1);