i965/fs: Make emit_spill/unspill static functions taking builder as argument.

[mesa.git] / src / mesa / drivers / dri / i965 / brw_cfg.h

diff --git a/src/mesa/drivers/dri/i965/brw_cfg.h b/src/mesa/drivers/dri/i965/brw_cfg.h
index a09491781e6015757594c2e2db93666ef9a3841a..5b770aa7af121c6f08308c13aa169d9b21d9cd22 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_cfg.h
+++ b/src/mesa/drivers/dri/i965/brw_cfg.h
@@ -90,6 +90,8 @@ struct bblock_t {
    struct exec_list parents;
    struct exec_list children;
    int num;
+
+   unsigned cycle_count;
 };
 
 static inline struct backend_instruction *
@@ -119,24 +121,36 @@ bblock_end_const(const struct bblock_t *block)
 static inline struct bblock_t *
 bblock_next(struct bblock_t *block)
 {
+   if (exec_node_is_tail_sentinel(block->link.next))
+      return NULL;
+
    return (struct bblock_t *)block->link.next;
 }
 
 static inline const struct bblock_t *
 bblock_next_const(const struct bblock_t *block)
 {
+   if (exec_node_is_tail_sentinel(block->link.next))
+      return NULL;
+
    return (const struct bblock_t *)block->link.next;
 }
 
 static inline struct bblock_t *
 bblock_prev(struct bblock_t *block)
 {
+   if (exec_node_is_head_sentinel(block->link.prev))
+      return NULL;
+
    return (struct bblock_t *)block->link.prev;
 }
 
 static inline const struct bblock_t *
 bblock_prev_const(const struct bblock_t *block)
 {
+   if (exec_node_is_head_sentinel(block->link.prev))
+      return NULL;
+
    return (const struct bblock_t *)block->link.prev;
 }
 
@@ -285,6 +299,8 @@ struct cfg_t {
    int num_blocks;
 
    bool idom_dirty;
+
+   unsigned cycle_count;
 };
 
 /* Note that this is implemented with a double for loop -- break will
@@ -310,6 +326,9 @@ struct cfg_t {
 #define foreach_block_safe(__block, __cfg)                     \
    foreach_list_typed_safe (bblock_t, __block, link, &(__cfg)->block_list)
 
+#define foreach_block_reverse_safe(__block, __cfg)             \
+   foreach_list_typed_reverse_safe (bblock_t, __block, link, &(__cfg)->block_list)
+
 #define foreach_inst_in_block(__type, __inst, __block)         \
    foreach_in_list(__type, __inst, &(__block)->instructions)
 
@@ -327,12 +346,12 @@ struct cfg_t {
 #define foreach_inst_in_block_reverse_safe(__type, __inst, __block) \
    foreach_in_list_reverse_safe(__type, __inst, &(__block)->instructions)
 
-#define foreach_inst_in_block_starting_from(__type, __scan_inst, __inst, __block) \
+#define foreach_inst_in_block_starting_from(__type, __scan_inst, __inst) \
    for (__type *__scan_inst = (__type *)__inst->next;          \
         !__scan_inst->is_tail_sentinel();                      \
         __scan_inst = (__type *)__scan_inst->next)
 
-#define foreach_inst_in_block_reverse_starting_from(__type, __scan_inst, __inst, __block) \
+#define foreach_inst_in_block_reverse_starting_from(__type, __scan_inst, __inst) \
    for (__type *__scan_inst = (__type *)__inst->prev;          \
         !__scan_inst->is_head_sentinel();                      \
         __scan_inst = (__type *)__scan_inst->prev)