i965/fs: Use the correct regs_written on unspill instructions

Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

diff --git a/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp b/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp
index 32669f6..65a09a0 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_reg_allocate.cpp
@@ -640,6 +640,7 @@ fs_visitor::emit_unspill(bblock_t *block, fs_inst *inst, fs_reg dst,
       unspill_inst->offset = spill_offset;
       unspill_inst->ir = inst->ir;
       unspill_inst->annotation = inst->annotation;
+      unspill_inst->regs_written = reg_size;
 
       if (!gen7_read) {
          unspill_inst->base_mrf = 14;