diff options
Diffstat (limited to 'gcc/sched-int.h')
| -rw-r--r-- | gcc/sched-int.h | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/gcc/sched-int.h b/gcc/sched-int.h index aa5007ba863..518fcb53e28 100644 --- a/gcc/sched-int.h +++ b/gcc/sched-int.h @@ -181,13 +181,15 @@ extern bool sel_insn_is_speculation_check (rtx); FIRST is the index of the element with the highest priority; i.e. the last one in the ready list, since elements are ordered by ascending priority. - N_READY determines how many insns are on the ready list. */ + N_READY determines how many insns are on the ready list. + N_DEBUG determines how many debug insns are on the ready list. */ struct ready_list { rtx *vec; int veclen; int first; int n_ready; + int n_debug; }; extern char *ready_try; @@ -509,6 +511,9 @@ struct deps the call. */ enum post_call_group in_post_call_group_p; + /* The last debug insn we've seen. */ + rtx last_debug_insn; + /* The maximum register number for the following arrays. Before reload this is max_reg_num; after reload it is FIRST_PSEUDO_REGISTER. */ int max_reg; @@ -800,6 +805,23 @@ extern VEC(haifa_deps_insn_data_def, heap) *h_d_i_d; #define IS_SPECULATION_BRANCHY_CHECK_P(INSN) \ (RECOVERY_BLOCK (INSN) != NULL && RECOVERY_BLOCK (INSN) != EXIT_BLOCK_PTR) +/* The unchanging bit tracks whether a debug insn is to be handled + like an insn (i.e., schedule it) or like a note (e.g., it is next + to a basic block boundary. */ +#define DEBUG_INSN_SCHED_P(insn) \ + (RTL_FLAG_CHECK1("DEBUG_INSN_SCHED_P", (insn), DEBUG_INSN)->unchanging) + +/* True if INSN is a debug insn that is next to a basic block + boundary, i.e., it is to be handled by the scheduler like a + note. */ +#define BOUNDARY_DEBUG_INSN_P(insn) \ + (DEBUG_INSN_P (insn) && !DEBUG_INSN_SCHED_P (insn)) +/* True if INSN is a debug insn that is not next to a basic block + boundary, i.e., it is to be handled by the scheduler like an + insn. */ +#define SCHEDULE_DEBUG_INSN_P(insn) \ + (DEBUG_INSN_P (insn) && DEBUG_INSN_SCHED_P (insn)) + /* Dep status (aka ds_t) of the link encapsulates information, that is needed for speculative scheduling. Namely, it is 4 integers in the range [0, MAX_DEP_WEAK] and 3 bits. @@ -1342,7 +1364,8 @@ sd_iterator_cond (sd_iterator_def *it_ptr, dep_t *dep_ptr) it_ptr->linkp = &DEPS_LIST_FIRST (list); - return sd_iterator_cond (it_ptr, dep_ptr); + if (list) + return sd_iterator_cond (it_ptr, dep_ptr); } *dep_ptr = NULL; |