/* Command line option handling.
- Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
Contributed by Neil Booth.
This file is part of GCC.
/* What to print when a switch has no documentation. */
static const char undocumented_msg[] = N_("This switch lacks documentation");
+/* Used for bookkeeping on whether user set these flags so
+ -fprofile-use/-fprofile-generate does not use them. */
+static bool profile_arc_flag_set, flag_profile_values_set;
+static bool flag_unroll_loops_set, flag_tracer_set;
+static bool flag_value_profile_transformations_set;
+static bool flag_peel_loops_set, flag_branch_probabilities_set;
+
/* Input file names. */
const char **in_fnames;
unsigned num_in_fnames;
/* Interpret "-" or a non-switch as a file name. */
if (opt[0] != '-' || opt[1] == '\0')
{
- main_input_filename = opt;
+ if (main_input_filename == NULL)
+ main_input_filename = opt;
add_input_filename (opt);
n = 1;
continue;
flag_guess_branch_prob = 1;
flag_cprop_registers = 1;
flag_loop_optimize = 1;
- flag_crossjumping = 1;
flag_if_conversion = 1;
flag_if_conversion2 = 1;
}
if (optimize >= 2)
{
+ flag_crossjumping = 1;
flag_optimize_sibling_calls = 1;
flag_cse_follow_jumps = 1;
flag_cse_skip_blocks = 1;
flag_delete_null_pointer_checks = 1;
flag_reorder_blocks = 1;
flag_reorder_functions = 1;
+ flag_unit_at_a_time = 1;
}
if (optimize >= 3)
flag_inline_functions = 1;
flag_rename_registers = 1;
flag_unswitch_loops = 1;
- flag_unit_at_a_time = 1;
+ flag_web = 1;
}
if (optimize < 2 || optimize_size)
/* Initialize whether `char' is signed. */
flag_signed_char = DEFAULT_SIGNED_CHAR;
-#ifdef DEFAULT_SHORT_ENUMS
- /* Initialize how much space enums occupy, by default. */
- flag_short_enums = DEFAULT_SHORT_ENUMS;
-#endif
/* Initialize target_flags before OPTIMIZATION_OPTIONS so the latter can
modify it. */
flag_pie = value + value;
break;
+ case OPT_fabi_version_:
+ flag_abi_version = value;
+ break;
+
case OPT_falign_functions:
align_functions = !value;
break;
break;
case OPT_fbranch_probabilities:
+ flag_branch_probabilities_set = true;
flag_branch_probabilities = value;
break;
flag_branch_target_load_optimize2 = value;
break;
+ case OPT_fbtr_bb_exclusive:
+ flag_btr_bb_exclusive = value;
+ break;
+
case OPT_fcall_used_:
fix_register (arg, 0, 1);
break;
flag_gcse_sm = value;
break;
- case OPT_fgnu_linker:
- flag_gnu_linker = value;
+ case OPT_fgcse_las:
+ flag_gcse_las = value;
break;
case OPT_fguess_branch_probability:
case OPT_finline_limit_:
case OPT_finline_limit_eq:
- set_param_value ("max-inline-insns", value);
set_param_value ("max-inline-insns-single", value / 2);
set_param_value ("max-inline-insns-auto", value / 2);
set_param_value ("max-inline-insns-rtl", value);
- if (value / 4 < MIN_INLINE_INSNS)
- {
- if (value / 4 > 10)
- set_param_value ("min-inline-insns", value / 4);
- else
- set_param_value ("min-inline-insns", 10);
- }
break;
case OPT_finstrument_functions:
break;
case OPT_fpeel_loops:
+ flag_peel_loops_set = true;
flag_peel_loops = value;
break;
break;
case OPT_fprofile_arcs:
+ profile_arc_flag_set = true;
profile_arc_flag = value;
break;
+ case OPT_fprofile_use:
+ if (!flag_branch_probabilities_set)
+ flag_branch_probabilities = value;
+ if (!flag_profile_values_set)
+ flag_profile_values = value;
+ if (!flag_unroll_loops_set)
+ flag_unroll_loops = value;
+ if (!flag_peel_loops_set)
+ flag_peel_loops = value;
+ if (!flag_tracer_set)
+ flag_tracer = value;
+ if (!flag_value_profile_transformations_set)
+ flag_value_profile_transformations = value;
+ break;
+
+ case OPT_fprofile_generate:
+ if (!profile_arc_flag_set)
+ profile_arc_flag = value;
+ if (!flag_profile_values_set)
+ flag_profile_values = value;
+ if (!flag_value_profile_transformations_set)
+ flag_value_profile_transformations = value;
+ break;
+
+ case OPT_fprofile_values:
+ flag_profile_values_set = true;
+ flag_profile_values = value;
+ break;
+
+ case OPT_fvpt:
+ flag_value_profile_transformations_set = value;
+ flag_value_profile_transformations = value;
+ break;
+
case OPT_frandom_seed:
/* The real switch is -fno-random-seed. */
if (value)
flag_schedule_insns_after_reload = value;
break;
- case OPT_fshared_data:
- flag_shared_data = value;
+ case OPT_fsched_stalled_insns:
+ flag_sched_stalled_insns = value;
break;
- case OPT_fsignaling_nans:
- flag_signaling_nans = value;
+ case OPT_fsched_stalled_insns_:
+ flag_sched_stalled_insns = value;
+ if (flag_sched_stalled_insns == 0)
+ flag_sched_stalled_insns = -1;
break;
- case OPT_fsingle_precision_constant:
- flag_single_precision_constant = value;
+ case OPT_fsched_stalled_insns_dep:
+ flag_sched_stalled_insns_dep = 1;
break;
- case OPT_fssa:
- flag_ssa = value;
+ case OPT_fsched_stalled_insns_dep_:
+ flag_sched_stalled_insns_dep = value;
break;
- case OPT_fssa_ccp:
- flag_ssa_ccp = value;
+ case OPT_fshared_data:
+ flag_shared_data = value;
+ break;
+
+ case OPT_fsignaling_nans:
+ flag_signaling_nans = value;
break;
- case OPT_fssa_dce:
- flag_ssa_dce = value;
+ case OPT_fsingle_precision_constant:
+ flag_single_precision_constant = value;
break;
case OPT_fstack_check:
break;
case OPT_ftracer:
+ flag_tracer_set = true;
flag_tracer = value;
break;
break;
case OPT_funroll_loops:
+ flag_unroll_loops_set = true;
flag_unroll_loops = value;
break;
flag_unwind_tables = value;
break;
+ case OPT_fvar_tracking:
+ flag_var_tracking = value;
+ break;
+
case OPT_fverbose_asm:
flag_verbose_asm = value;
break;
+
+ case OPT_fweb:
+ flag_web = value;
+ break;
case OPT_fwrapv:
flag_wrapv = value;
set_debug_level (SDB_DEBUG, false, arg);
break;
- case OPT_gdwarf:
- if (*arg)
- {
- error ("use -gdwarf -gN for DWARF v1 level N, "
- "and -gdwarf-2 for DWARF v2" );
- break;
- }
-
- /* Fall through. */
- case OPT_gdwarf_:
- set_debug_level (DWARF_DEBUG, code == OPT_gdwarf_, arg);
- break;
-
case OPT_gdwarf_2:
set_debug_level (DWARF2_DEBUG, false, arg);
break;
len = i;
else if ((help[i] == '-' || help[i] == '/')
&& help[i + 1] != ' '
- && ISALPHA (help[i - 1]))
+ && i > 0 && ISALPHA (help[i - 1]))
len = i + 1;
}
}