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Merge revs 1.2 (-fformat-extensions), 1.7 (FORCE_OPTIMIZATION_DOWNGRADE knob),

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1.14 (-O/-O1 optimize alignment for time, not size).

Back out r1.22 which used to enable warnings in system headers by
default.
This commit is contained in:
kan 2003-11-07 03:27:32 +00:00
parent 06a580baf7
commit aba667dc74
1 changed files with 20 additions and 2 deletions
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22
contrib/gcc/toplev.c
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@ -1410,7 +1410,7 @@ int inhibit_warnings = 0;
/* Don't suppress warnings from system headers. -Wsystem-headers. */
int warn_system_headers = 1;
int warn_system_headers = 0;
/* Print various extra warnings. -W. */
@ -2823,7 +2823,8 @@ rest_of_compilation (decl)
tem = cse_main (insns, max_reg_num (), 0, rtl_dump_file);
if (tem)
rebuild_jump_labels (insns);
purge_all_dead_edges (0);
if (purge_all_dead_edges (0))
delete_unreachable_blocks ();
delete_trivially_dead_insns (insns, max_reg_num ());
@ -3468,6 +3469,23 @@ rest_of_compilation (decl)
#endif
#ifdef STACK_REGS
#if defined (HAVE_ATTR_length)
/* If flow2 creates new instructions which need splitting
and scheduling after reload is not done, they might not be
splitten until final which doesn't allow splitting
if HAVE_ATTR_length. */
#ifdef INSN_SCHEDULING
if (optimize && !flag_schedule_insns_after_reload)
#else
if (optimize)
#endif
{
timevar_push (TV_SHORTEN_BRANCH);
split_all_insns (1);
timevar_pop (TV_SHORTEN_BRANCH);
}
#endif
timevar_push (TV_REG_STACK);
open_dump_file (DFI_stack, decl);