glsl: Add lowering pass for ir_unop_find_msb

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Matt Turner <mattst88@gmail.com>
2016-06-24 01:53:33 -07:00
parent 2a381a3c73
commit 1b5477668a
2 changed files with 107 additions and 0 deletions
--- a/src/compiler/glsl/ir_optimization.h
+++ b/src/compiler/glsl/ir_optimization.h
@@ -47,6 +47,7 @@
 #define INSERT_TO_SHIFTS          0x08000
 #define REVERSE_TO_SHIFTS         0x10000
 #define FIND_LSB_TO_FLOAT_CAST    0x20000
+#define FIND_MSB_TO_FLOAT_CAST    0x40000

 /**
 * \see class lower_packing_builtins_visitor