Otherwise calling dump_instructions() after declaring a new fs_reg would segfault when calculate_register_pressure()'s loop over reg walked off the end of the virtual_grf_start[] array that calculate_live_intervals() would have reallocated for you, if it had known there was a new register. --- src/mesa/drivers/dri/i965/brw_fs.cpp | 1 + 1 file changed, 1 insertion(+)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 713e477..c88f7c9 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -3294,6 +3294,7 @@ fs_visitor::assign_binding_table_offsets() void fs_visitor::calculate_register_pressure() { + invalidate_live_intervals(); calculate_live_intervals(); int num_instructions = 0; -- 1.8.3.2 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev