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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.cpp6
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_cmod_propagation.cpp3
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp6
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_cse.cpp4
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp6
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp3
-rw-r--r--src/mesa/drivers/dri/i965/brw_ir_fs.h1
7 files changed, 15 insertions, 14 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index f5ae60372f6..a52e5a37950 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -241,12 +241,6 @@ fs_inst::equals(fs_inst *inst) const
}
bool
-fs_inst::overwrites_reg(const fs_reg &reg) const
-{
- return reg.in_range(dst, DIV_ROUND_UP(size_written, REG_SIZE));
-}
-
-bool
fs_inst::is_send_from_grf() const
{
switch (opcode) {
diff --git a/src/mesa/drivers/dri/i965/brw_fs_cmod_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_cmod_propagation.cpp
index 291ae4c24d2..2d50c92e9e3 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_cmod_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_cmod_propagation.cpp
@@ -88,7 +88,8 @@ opt_cmod_propagation_local(const gen_device_info *devinfo, bblock_t *block)
bool read_flag = false;
foreach_inst_in_block_reverse_starting_from(fs_inst, scan_inst, inst) {
- if (scan_inst->overwrites_reg(inst->src[0])) {
+ if (regions_overlap(scan_inst->dst, scan_inst->size_written,
+ inst->src[0], inst->size_read(0))) {
if (scan_inst->is_partial_write() ||
scan_inst->dst.offset != inst->src[0].offset ||
scan_inst->exec_size != inst->exec_size)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
index 4a56aff5bdc..bd534bf65bf 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
@@ -161,8 +161,10 @@ fs_copy_prop_dataflow::setup_initial_values()
/* Mark ACP entries which are killed by this instruction. */
for (int i = 0; i < num_acp; i++) {
- if (inst->overwrites_reg(acp[i]->dst) ||
- inst->overwrites_reg(acp[i]->src)) {
+ if (regions_overlap(inst->dst, inst->size_written,
+ acp[i]->dst, acp[i]->size_written) ||
+ regions_overlap(inst->dst, inst->size_written,
+ acp[i]->src, acp[i]->size_read)) {
BITSET_SET(bd[block->num].kill, i);
}
}
diff --git a/src/mesa/drivers/dri/i965/brw_fs_cse.cpp b/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
index 2acbfea71f0..48220efd730 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_cse.cpp
@@ -335,7 +335,9 @@ fs_visitor::opt_cse_local(bblock_t *block)
/* Kill all AEB entries that use the destination we just
* overwrote.
*/
- if (inst->overwrites_reg(entry->generator->src[i])) {
+ if (regions_overlap(inst->dst, inst->size_written,
+ entry->generator->src[i],
+ entry->generator->size_read(i))) {
entry->remove();
ralloc_free(entry);
break;
diff --git a/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp b/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp
index 694cc0b0dd4..f56f05b7e9b 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp
@@ -138,8 +138,10 @@ can_coalesce_vars(brw::fs_live_variables *live_intervals,
if (scan_ip > end_ip)
return true; /* registers do not interfere */
- if (scan_inst->overwrites_reg(inst->dst) ||
- scan_inst->overwrites_reg(inst->src[0]))
+ if (regions_overlap(scan_inst->dst, scan_inst->size_written,
+ inst->dst, inst->size_written) ||
+ regions_overlap(scan_inst->dst, scan_inst->size_written,
+ inst->src[0], inst->size_read(0)))
return false; /* registers interfere */
}
}
diff --git a/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp
index 60bb1c049ca..1c97a507d8c 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp
@@ -64,7 +64,8 @@ opt_saturate_propagation_local(fs_visitor *v, bblock_t *block)
bool interfered = false;
foreach_inst_in_block_reverse_starting_from(fs_inst, scan_inst, inst) {
- if (scan_inst->overwrites_reg(inst->src[0])) {
+ if (regions_overlap(scan_inst->dst, scan_inst->size_written,
+ inst->src[0], inst->size_read(0))) {
if (scan_inst->is_partial_write() ||
(scan_inst->dst.type != inst->dst.type &&
!scan_inst->can_change_types()))
diff --git a/src/mesa/drivers/dri/i965/brw_ir_fs.h b/src/mesa/drivers/dri/i965/brw_ir_fs.h
index c688345fdfd..5275953363b 100644
--- a/src/mesa/drivers/dri/i965/brw_ir_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_ir_fs.h
@@ -334,7 +334,6 @@ public:
void resize_sources(uint8_t num_sources);
bool equals(fs_inst *inst) const;
- bool overwrites_reg(const fs_reg &reg) const;
bool is_send_from_grf() const;
bool is_partial_write() const;
bool is_copy_payload(const brw::simple_allocator &grf_alloc) const;