esp8266/main: Mark nlr_jump_fail() as MP_FASTCODE.

pfalcon · pfalcon · commit 204222653edb · 2016-10-19T00:21:14.000+03:00
It's probably not strictly needed so far, but serves as an example of
MP_FASTCODE use and may be helpful in the future.
diff --git a/esp8266/main.c b/esp8266/main.c
@@ -141,7 +141,7 @@ mp_obj_t mp_builtin_open(uint n_args, const mp_obj_t *args, mp_map_t *kwargs) {
 }
 MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
 
-void nlr_jump_fail(void *val) {
+void MP_FASTCODE(nlr_jump_fail)(void *val) {
     printf("NLR jump failed\n");
     for (;;) {
     }

Original file line number	Diff line number	Diff line change
`@@ -141,7 +141,7 @@ mp_obj_t mp_builtin_open(uint n_args, const mp_obj_t args, mp_map_t kwargs) {`
`141`	`141`	`}`
`142`	`142`	`MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);`
`143`	`143`
`144`		`-void nlr_jump_fail(void *val) {`
	`144`	`+void MP_FASTCODE(nlr_jump_fail)(void *val) {`
`145`	`145`	`printf("NLR jump failed\n");`
`146`	`146`	`for (;;) {`
`147`	`147`	`}`