Implement "sign" builtin via a new expression operator.

1 files changed, 2 insertions, 0 deletions

diff --git a/ir.cpp b/ir.cpp
index 76f5bab731..b927c73ccb 100644
--- a/ir.cpp
+++ b/ir.cpp
@@ -53,6 +53,7 @@ ir_expression::get_num_operands(ir_expression_operation op)
       1, /* ir_unop_logic_not */
       1, /* ir_unop_neg */
       1, /* ir_unop_abs */
+      1, /* ir_unop_sign */
       1, /* ir_unop_rcp */
       1, /* ir_unop_rsq */
       1, /* ir_unop_sqrt */
@@ -112,6 +113,7 @@ static const char *const operator_strs[] = {
    "!",
    "neg",
    "abs",
+   "sign",
    "rcp",
    "rsq",
    "sqrt",