diff options
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index fd04427..a781e2d 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -49,6 +49,7 @@ Boston, MA 02111-1307, USA. */ #include "real.h" #include "obstack.h" #include "bitmap.h" +#include "ggc.h" /* Commonly used modes. */ @@ -187,6 +188,7 @@ static rtx free_insn; static rtx make_jump_insn_raw PROTO((rtx)); static rtx make_call_insn_raw PROTO((rtx)); static rtx find_line_note PROTO((rtx)); +static void mark_sequence_stack PROTO((struct sequence_stack *)); rtx gen_rtx_CONST_INT (mode, arg) @@ -3467,6 +3469,41 @@ init_emit () #endif } +/* Mark SS for GC. */ + +static void +mark_sequence_stack (ss) + struct sequence_stack *ss; +{ + while (ss) + { + ggc_mark_rtx (ss->first); + ggc_mark_tree (ss->sequence_rtl_expr); + ss = ss->next; + } +} + +/* Mark ES for GC. */ + +void +mark_emit_state (es) + struct emit_status *es; +{ + rtx *r; + int i; + + if (es == 0) + return; + + for (i = es->regno_pointer_flag_length, r = es->x_regno_reg_rtx; + i > 0; --i, ++r) + ggc_mark_rtx (*r); + + mark_sequence_stack (es->sequence_stack); + ggc_mark_tree (es->sequence_rtl_expr); + ggc_mark_rtx (es->x_first_insn); +} + /* Create some permanent unique rtl objects shared between all functions. LINE_NUMBERS is nonzero if line numbers are to be generated. */ |