diff options
Diffstat (limited to 'gas/cond.c')
-rw-r--r-- | gas/cond.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gas/cond.c b/gas/cond.c index 8bea97e412..8cd98c2a2d 100644 --- a/gas/cond.c +++ b/gas/cond.c @@ -181,6 +181,40 @@ s_if (int arg) demand_empty_rest_of_line (); } +/* Performs the .ifb (test_blank == 1) and + the .ifnb (test_blank == 0) pseudo op. */ + +void +s_ifb (int test_blank) +{ + struct conditional_frame cframe; + + initialize_cframe (&cframe); + + if (cframe.dead_tree) + cframe.ignoring = 1; + else + { + int is_eol; + + SKIP_WHITESPACE (); + is_eol = is_end_of_line[(unsigned char) *input_line_pointer]; + cframe.ignoring = (test_blank == !is_eol); + } + + current_cframe = ((struct conditional_frame *) + obstack_copy (&cond_obstack, &cframe, + sizeof (cframe))); + + if (LISTING_SKIP_COND () + && cframe.ignoring + && (cframe.previous_cframe == NULL + || ! cframe.previous_cframe->ignoring)) + listing_list (2); + + ignore_rest_of_line (); +} + /* Get a string for the MRI IFC or IFNC pseudo-ops. */ static char * |