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-rw-r--r--src/mesa/drivers/dri/i965/brw_shader.cpp47
-rw-r--r--src/mesa/drivers/dri/i965/brw_shader.h5
2 files changed, 52 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp
index 464790af9dd..1a181690880 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -758,6 +758,53 @@ adjust_later_block_ips(bblock_t *start_block, int ip_adjustment)
}
void
+backend_instruction::insert_after(bblock_t *block, backend_instruction *inst)
+{
+ assert(inst_is_in_block(block, this) || !"Instruction not in block");
+
+ block->end_ip++;
+
+ adjust_later_block_ips(block, 1);
+
+ if (block->end == this)
+ block->end = inst;
+
+ exec_node::insert_after(inst);
+}
+
+void
+backend_instruction::insert_before(bblock_t *block, backend_instruction *inst)
+{
+ assert(inst_is_in_block(block, this) || !"Instruction not in block");
+
+ block->end_ip++;
+
+ adjust_later_block_ips(block, 1);
+
+ if (block->start == this)
+ block->start = inst;
+
+ exec_node::insert_before(inst);
+}
+
+void
+backend_instruction::insert_before(bblock_t *block, exec_list *list)
+{
+ assert(inst_is_in_block(block, this) || !"Instruction not in block");
+
+ unsigned num_inst = list->length();
+
+ block->end_ip += num_inst;
+
+ adjust_later_block_ips(block, num_inst);
+
+ if (block->start == this)
+ block->start = (backend_instruction *)list->get_head();
+
+ exec_node::insert_before(list);
+}
+
+void
backend_instruction::remove(bblock_t *block)
{
assert(inst_is_in_block(block, this) || !"Instruction not in block");
diff --git a/src/mesa/drivers/dri/i965/brw_shader.h b/src/mesa/drivers/dri/i965/brw_shader.h
index f5af4fd44e1..35a2b9635a3 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.h
+++ b/src/mesa/drivers/dri/i965/brw_shader.h
@@ -92,6 +92,11 @@ struct backend_instruction : public exec_node {
using exec_node::remove;
void remove(bblock_t *block);
+ using exec_node::insert_after;
+ void insert_after(bblock_t *block, backend_instruction *inst);
+ using exec_node::insert_before;
+ void insert_before(bblock_t *block, backend_instruction *inst);
+ void insert_before(bblock_t *block, exec_list *list);
/**
* True if the instruction has side effects other than writing to