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Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp')
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp16
1 files changed, 4 insertions, 12 deletions
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 38103af..d88d62b 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
@@ -757,14 +757,6 @@ can_propagate_from(fs_inst *inst)
!inst->is_partial_write());
}
-inline bool
-regions_overlap(const fs_reg &r, unsigned n, const fs_reg &s, unsigned m)
-{
- return r.file == s.file && r.nr == s.nr &&
- !(r.reg_offset + n <= s.reg_offset ||
- s.reg_offset + m <= r.reg_offset);
-}
-
/* Walks a basic block and does copy propagation on it using the acp
* list.
*/
@@ -791,8 +783,8 @@ fs_visitor::opt_copy_propagate_local(void *copy_prop_ctx, bblock_t *block,
/* kill the destination from the ACP */
if (inst->dst.file == VGRF) {
foreach_in_list_safe(acp_entry, entry, &acp[inst->dst.nr % ACP_HASH_SIZE]) {
- if (regions_overlap(entry->dst, entry->regs_written,
- inst->dst, inst->regs_written))
+ if (regions_overlap(entry->dst, entry->regs_written * REG_SIZE,
+ inst->dst, inst->regs_written * REG_SIZE))
entry->remove();
}
@@ -804,8 +796,8 @@ fs_visitor::opt_copy_propagate_local(void *copy_prop_ctx, bblock_t *block,
/* Make sure we kill the entry if this instruction overwrites
* _any_ of the registers that it reads
*/
- if (regions_overlap(entry->src, entry->regs_read,
- inst->dst, inst->regs_written))
+ if (regions_overlap(entry->src, entry->regs_read * REG_SIZE,
+ inst->dst, inst->regs_written * REG_SIZE))
entry->remove();
}
}