/** special fields depending on Opcode: */
const char *Field; /**< If Opcode == IR_FIELD */
- GLuint Writemask; /**< If Opcode == IR_MOVE */
GLfloat Value[4]; /**< If Opcode == IR_FLOAT */
slang_variable *Var; /**< If Opcode == IR_VAR or IR_VAR_DECL */
struct slang_ir_node_ *List; /**< For various linked lists */