diff options
Diffstat (limited to 'yjit_codegen.c')
| -rw-r--r-- | yjit_codegen.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/yjit_codegen.c b/yjit_codegen.c index e6f955f210..049c72b6ba 100644 --- a/yjit_codegen.c +++ b/yjit_codegen.c @@ -3810,6 +3810,9 @@ gen_toregexp(jitstate_t* jit, ctx_t* ctx) static codegen_status_t gen_getspecial(jitstate_t *jit, ctx_t *ctx) { + // This takes two arguments, key and type + // key is only used when type == 0 + // A non-zero type determines which type of backref to fetch rb_num_t key = jit_get_arg(jit, 0); rb_num_t type = jit_get_arg(jit, 1); @@ -3817,6 +3820,8 @@ gen_getspecial(jitstate_t *jit, ctx_t *ctx) // not yet implemented return YJIT_CANT_COMPILE; } else if (type & 0x01) { + // Fetch a "special" backref based on a char encoded by shifting by 1 + // Can raise if matchdata uninitialized jit_prepare_routine_call(jit, ctx, REG0); @@ -3851,6 +3856,8 @@ gen_getspecial(jitstate_t *jit, ctx_t *ctx) return YJIT_KEEP_COMPILING; } else { + // Fetch the N-th match from the last backref based on type shifted by 1 + // Can raise if matchdata uninitialized jit_prepare_routine_call(jit, ctx, REG0); |