diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 172182a3b62..b521f905e1c 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -2816,10 +2816,13 @@ fs_visitor::compute_to_mrf() if (scan_inst->is_partial_write()) break; - /* Things returning more than one register would need us to - * understand coalescing out more than one MOV at a time. + /* Handling things not fully contained in the source of the copy + * would need us to understand coalescing out more than one MOV at + * a time. */ - if (scan_inst->regs_written > scan_inst->exec_size / 8) + if (scan_inst->dst.reg_offset < inst->src[0].reg_offset || + scan_inst->dst.reg_offset + scan_inst->regs_written > + inst->src[0].reg_offset + inst->regs_read(0)) break; /* SEND instructions can't have MRF as a destination. */ |