diff options
Diffstat (limited to 'yjit_codegen.c')
| -rw-r--r-- | yjit_codegen.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/yjit_codegen.c b/yjit_codegen.c index 42ed63b3de..8d4cd02677 100644 --- a/yjit_codegen.c +++ b/yjit_codegen.c @@ -218,8 +218,25 @@ _counted_side_exit(uint8_t *existing_side_exit, int64_t *counter) return start; } +// Add a comment at the current position in the code block +static void +_add_comment(codeblock_t* cb, const char* comment_str) +{ + // Avoid adding duplicate comment strings (can happen due to deferred codegen) + size_t num_comments = rb_darray_size(yjit_code_comments); + if (num_comments > 0) { + struct yjit_comment last_comment = rb_darray_get(yjit_code_comments, num_comments - 1); + if (last_comment.offset == cb->write_pos && strcmp(last_comment.comment, comment_str) == 0) { + return; + } + } + + struct yjit_comment new_comment = (struct yjit_comment){ cb->write_pos, comment_str }; + rb_darray_append(&yjit_code_comments, new_comment); +} + // Comments for generated machine code -#define ADD_COMMENT(cb, comment) rb_darray_append(&yjit_code_comments, ((struct yjit_comment){(cb)->write_pos, (comment)})) +#define ADD_COMMENT(cb, comment) _add_comment((cb), (comment)) yjit_comment_array_t yjit_code_comments; #else |