glsl: add lowering passes for carry/borrow

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Reviewed-by: Matt Turner <mattst88@gmail.com>
2014-04-28 23:13:08 -04:00
parent f64bfb2e39
commit 31b92aa2fc
2 changed files with 60 additions and 0 deletions
--- a/src/glsl/ir_optimization.h
+++ b/src/glsl/ir_optimization.h
@@ -38,6 +38,8 @@
 #define INT_DIV_TO_MUL_RCP 0x40
 #define BITFIELD_INSERT_TO_BFM_BFI 0x80
 #define LDEXP_TO_ARITH     0x100
+#define CARRY_TO_ARITH     0x200
+#define BORROW_TO_ARITH    0x400

 /**
 * \see class lower_packing_builtins_visitor