diff options
Diffstat (limited to 'mesalib/src/glsl/opt_vectorize.cpp')
| -rw-r--r-- | mesalib/src/glsl/opt_vectorize.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/mesalib/src/glsl/opt_vectorize.cpp b/mesalib/src/glsl/opt_vectorize.cpp index 8ee81f1a3..13faac05e 100644 --- a/mesalib/src/glsl/opt_vectorize.cpp +++ b/mesalib/src/glsl/opt_vectorize.cpp @@ -82,6 +82,8 @@ public: virtual ir_visitor_status visit_enter(ir_assignment *); virtual ir_visitor_status visit_enter(ir_swizzle *); + virtual ir_visitor_status visit_enter(ir_dereference_array *); + virtual ir_visitor_status visit_enter(ir_expression *); virtual ir_visitor_status visit_enter(ir_if *); virtual ir_visitor_status visit_enter(ir_loop *); @@ -289,6 +291,33 @@ ir_vectorize_visitor::visit_enter(ir_swizzle *ir) return visit_continue; } +/* Upon entering an ir_array_dereference, remove the current assignment from + * further consideration. Since the index of an array dereference must scalar, + * we are not able to vectorize it. + * + * FINISHME: If all of scalar indices are identical we could vectorize. + */ +ir_visitor_status +ir_vectorize_visitor::visit_enter(ir_dereference_array *ir) +{ + this->current_assignment = NULL; + return visit_continue_with_parent; +} + +/** + * Upon entering an ir_expression, remove the current assignment from further + * consideration if the expression operates horizontally on vectors. + */ +ir_visitor_status +ir_vectorize_visitor::visit_enter(ir_expression *ir) +{ + if (ir->is_horizontal()) { + this->current_assignment = NULL; + return visit_continue_with_parent; + } + return visit_continue; +} + /* Since there is no statement to visit between the "then" and "else" * instructions try to vectorize before, in between, and after them to avoid * combining statements from different basic blocks. |