[Mesa-dev] [PATCH 03/23] i965/fs: Fix copy propagation of load payload for double operands

[Samuel Iglesias Gonsálvez]

From: Iago Toral Quiroga <itoral at igalia.com>

Specifically, consider the size of the data type of the operand to compute
the number of registers written.
---
 src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 9147e60..abc68c8 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
@@ -775,7 +775,7 @@ fs_visitor::opt_copy_propagate_local(void *copy_prop_ctx, bblock_t *block,
          int offset = 0;
          for (int i = 0; i < inst->sources; i++) {
             int effective_width = i < inst->header_size ? 8 : inst->exec_size;
-            int regs_written = effective_width / 8;
+            int regs_written = effective_width / 8 * type_sz(inst->src[i].type) / 4;
             if (inst->src[i].file == VGRF) {
                acp_entry *entry = ralloc(copy_prop_ctx, acp_entry);
                entry->dst = inst->dst;
-- 
2.5.0