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-rwxr-xr-xgcc/toplev.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c
index 57563fe..dcbb38d 100755
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -512,10 +512,6 @@ static char *offset_info_file_name;
int flag_shared_data;
-/* Nonzero means schedule into delayed branch slots if supported. */
-
-int flag_delayed_branch;
-
/* Nonzero means generate extra code for exception handling and enable
exception handling. */
@@ -542,30 +538,6 @@ int flag_pretend_float;
int flag_pedantic_errors = 0;
-/* flag_schedule_insns means schedule insns within basic blocks (before
- local_alloc).
- flag_schedule_insns_after_reload means schedule insns after
- global_alloc. */
-
-int flag_schedule_insns = 0;
-int flag_schedule_insns_after_reload = 0;
-
-#ifdef HAIFA
-/* The following flags have effect only for scheduling before register
- allocation:
-
- flag_schedule_interblock means schedule insns accross basic blocks.
- flag_schedule_speculative means allow speculative motion of non-load insns.
- flag_schedule_speculative_load means allow speculative motion of some
- load insns.
- flag_schedule_speculative_load_dangerous allows speculative motion of more
- load insns. */
-
-int flag_schedule_interblock = 1;
-int flag_schedule_speculative = 1;
-int flag_schedule_speculative_load = 0;
-int flag_schedule_speculative_load_dangerous = 0;
-#endif /* HAIFA */
/* flag_on_branch_count_reg means try to replace add-1,compare,branch tupple
by a cheaper branch, on a count register. */
@@ -762,8 +734,6 @@ lang_independent_options f_options[] =
"Return 'short' aggregates in memory, not registers" },
{"reg-struct-return", &flag_pcc_struct_return, 0,
"Return 'short' aggregates in registers" },
- {"delayed-branch", &flag_delayed_branch, 1,
- "Attempt to fill delay slots of branch instructions" },
{"gcse", &flag_gcse, 1,
"Perform the global common subexpression elimination" },
{"rerun-cse-after-loop", &flag_rerun_cse_after_loop, 1,
@@ -772,20 +742,6 @@ lang_independent_options f_options[] =
"Run the loop optimiser twice"},
{"pretend-float", &flag_pretend_float, 1,
"Pretend that host and target use the same FP format"},
- {"schedule-insns", &flag_schedule_insns, 1,
- "Reschedule instructions to avoid pipeline stalls"},
- {"schedule-insns2", &flag_schedule_insns_after_reload, 1,
- "Run two passes of the instruction scheduler"},
-#ifdef HAIFA
- {"sched-interblock",&flag_schedule_interblock, 1,
- "Enable scheduling across basic blocks" },
- {"sched-spec",&flag_schedule_speculative, 1,
- "Allow speculative motion of non-loads" },
- {"sched-spec-load",&flag_schedule_speculative_load, 1,
- "Allow speculative motion of some loads" },
- {"sched-spec-load-dangerous",&flag_schedule_speculative_load_dangerous, 1,
- "Allow speculative motion of more loads" },
-#endif /* HAIFA */
{"branch-count-reg",&flag_branch_on_count_reg, 1,
"Replace add,compare,branch with branch on count reg"},
/* END CYGNUS LOCAL meissner/nortel */
@@ -3605,29 +3561,6 @@ rest_of_compilation (decl)
}
}
- /* Print function header into sched dump now
- because doing the sched analysis makes some of the dump. */
-
- if (optimize > 0 && flag_schedule_insns)
- {
- if (sched_dump)
- open_dump_file (".sched", decl_printable_name (decl, 2));
-
- /* Do control and data sched analysis,
- and write some of the results to dump file. */
-
- TIMEVAR (sched_time, schedule_insns (rtl_dump_file));
-
- /* Dump rtl after instruction scheduling. */
-
- if (sched_dump)
- {
- close_dump_file (print_rtl_with_bb, insns);
- if (graph_dump_format != no_graph)
- print_rtl_graph_with_bb (dump_base_name, ".sched", insns);
- }
- }
-
/* Unless we did stupid register allocation,
allocate pseudo-regs that are used only within 1 basic block. */
@@ -3676,34 +3609,6 @@ rest_of_compilation (decl)
if (optimize > 0)
reload_cse_regs (insns);
- /* If optimizing and we are performing instruction scheduling after
- reload, then go ahead and split insns now since we are about to
- recompute flow information anyway.
-
- reload_cse_regs may expose more splitting opportunities, expecially
- for double-word operations. */
- if (optimize > 0 && flag_schedule_insns_after_reload)
- {
- rtx insn;
-
- for (insn = insns; insn; insn = NEXT_INSN (insn))
- {
- rtx last;
-
- if (GET_RTX_CLASS (GET_CODE (insn)) != 'i')
- continue;
-
- last = try_split (PATTERN (insn), insn, 1);
-
- if (last != insn)
- {
- PUT_CODE (insn, NOTE);
- NOTE_SOURCE_FILE (insn) = 0;
- NOTE_LINE_NUMBER (insn) = NOTE_INSN_DELETED;
- }
- }
- }
-
/* Re-create the death notes which were deleted during reload. */
if (optimize)
TIMEVAR
@@ -3729,24 +3634,6 @@ rest_of_compilation (decl)
if (graph_dump_format != no_graph)
print_rtl_graph_with_bb (dump_base_name, ".greg", insns);
}
- if (optimize > 0 && flag_schedule_insns_after_reload)
- {
- if (sched2_dump)
- open_dump_file (".sched2", decl_printable_name (decl, 2));
-
- /* Do control and data sched analysis again,
- and write some more of the results to dump file. */
-
- TIMEVAR (sched2_time, schedule_insns (rtl_dump_file));
-
- /* Dump rtl after post-reorder instruction scheduling. */
- if (sched2_dump)
- {
- close_dump_file (print_rtl_with_bb, insns);
- if (graph_dump_format != no_graph)
- print_rtl_graph_with_bb (dump_base_name, ".sched2", insns);
- }
- }
/* One more attempt to remove jumps to .+1
left by dead-store-elimination.
@@ -3962,9 +3849,6 @@ display_help ()
printf (" -version Display the compiler's version\n");
printf (" -d[letters] Enable dumps from specific passes of the compiler\n");
printf (" -dumpbase <file> Base name to be used for dumps from specific passes\n");
-#if defined HAIFA || defined INSN_SCHEDULING
- printf (" -sched-verbose-<number> Set the verbosity level of the scheduler\n");
-#endif
printf (" --help Display this information\n");
undoc = 0;
@@ -4248,10 +4132,6 @@ main (argc, argv)
flag_rerun_loop_opt = 1;
flag_caller_saves = 1;
flag_force_mem = 1;
-#ifdef INSN_SCHEDULING
- flag_schedule_insns = 1;
- flag_schedule_insns_after_reload = 1;
-#endif
flag_regmove = 1;
flag_strict_aliasing = 1;
}
@@ -4437,12 +4317,6 @@ main (argc, argv)
if (found)
;
-#ifdef HAIFA
-#ifdef INSN_SCHEDULING
- else if (!strncmp (p, "sched-verbose-",14))
- fix_sched_param("verbose",&p[14]);
-#endif
-#endif /* HAIFA */
else if (!strncmp (p, "fixed-", 6))
fix_register (&p[6], 1, 1);
else if (!strncmp (p, "call-used-", 10))
@@ -4751,14 +4625,6 @@ main (argc, argv)
flag_rerun_cse_after_loop = 1;
}
- /* Warn about options that are not supported on this machine. */
-#ifndef INSN_SCHEDULING
- if (flag_schedule_insns || flag_schedule_insns_after_reload)
- warning ("instruction scheduling not supported on this target machine");
-#endif
- if (flag_delayed_branch)
- warning ("this target machine does not have delayed branches");
-
user_label_prefix = USER_LABEL_PREFIX;
if (flag_leading_underscore != -1)
{
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-06 07:57:30 +0000