diff options
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_cse.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_cse.cpp b/src/mesa/drivers/dri/i965/brw_fs_cse.cpp index 801200118d7..5fdbf463984 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_cse.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_cse.cpp @@ -128,7 +128,11 @@ operands_match(fs_inst *a, fs_inst *b) fs_reg *xs = a->src; fs_reg *ys = b->src; - if (!is_expression_commutative(a->opcode)) { + if (a->opcode == BRW_OPCODE_MAD) { + return xs[0].equals(ys[0]) && + ((xs[1].equals(ys[1]) && xs[2].equals(ys[2])) || + (xs[2].equals(ys[1]) && xs[1].equals(ys[2]))); + } else if (!is_expression_commutative(a->opcode)) { bool match = true; for (int i = 0; i < a->sources; i++) { if (!xs[i].equals(ys[i])) { |