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toplev.c (HAVE_conditional_execution): Provide default.

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* toplev.c (HAVE_conditional_execution): Provide default.
	(rest_of_handle_reorder_blocks): For conditional_execution target
	update liveness once after all transformations
	(rest_of_compilation): Do crossjumping before ce3.

From-SVN: r76032
This commit is contained in:
Jan Hubicka 2004-01-17 12:41:43 +01:00 committed by Jan Hubicka
parent f103e34d1d
commit f2e16e973b
2 changed files with 32 additions and 5 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2004-01-17 Jan Hubicka <jh@suse.cz>
* toplev.c (HAVE_conditional_execution): Provide default.
(rest_of_handle_reorder_blocks): For conditional_execution target
update liveness once after all transformations
(rest_of_compilation): Do crossjumping before ce3.
2004-01-17 Geoffrey Keating <geoffk@apple.com>
* alias.c (new_alias_set): Mark last_alias_set for PCH.

30
gcc/toplev.c
View File

@ -96,6 +96,10 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
declarations for e.g. AIX 4.x. */
#endif
#ifndef HAVE_conditional_execution
#define HAVE_conditional_execution 0
#endif
/* Carry information from ASM_DECLARE_OBJECT_NAME
to ASM_FINISH_DECLARE_OBJECT. */
@ -2294,12 +2298,14 @@ rest_of_handle_regrename (tree decl, rtx insns)
static void
rest_of_handle_reorder_blocks (tree decl, rtx insns)
{
bool changed;
open_dump_file (DFI_bbro, decl);
/* Last attempt to optimize CFG, as scheduling, peepholing and insn
splitting possibly introduced more crossjumping opportunities. */
cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_UPDATE_LIFE
| (flag_crossjumping ? CLEANUP_CROSSJUMP : 0));
changed |= cleanup_cfg (CLEANUP_EXPENSIVE
| (!HAVE_conditional_execution
? CLEANUP_UPDATE_LIFE : 0));
if (flag_sched2_use_traces && flag_schedule_insns_after_reload)
tracer ();
@ -2307,8 +2313,16 @@ rest_of_handle_reorder_blocks (tree decl, rtx insns)
reorder_basic_blocks ();
if (flag_reorder_blocks
|| (flag_sched2_use_traces && flag_schedule_insns_after_reload))
cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_UPDATE_LIFE);
changed |= cleanup_cfg (CLEANUP_EXPENSIVE
| (!HAVE_conditional_execution
? CLEANUP_UPDATE_LIFE : 0));
/* On conditional execution targets we can not update the life cheaply, so
we deffer the updating to after both cleanups. This may lose some cases
but should not be terribly bad. */
if (changed && HAVE_conditional_execution)
update_life_info (NULL, UPDATE_LIFE_GLOBAL_RM_NOTES,
PROP_DEATH_NOTES | PROP_REG_INFO);
close_dump_file (DFI_bbro, print_rtl_with_bb, insns);
}
@ -3474,16 +3488,22 @@ rest_of_compilation (tree decl)
}
#endif
open_dump_file (DFI_ce3, decl);
if (optimize)
/* Last attempt to optimize CFG, as scheduling, peepholing and insn
splitting possibly introduced more crossjumping opportunities. */
cleanup_cfg (CLEANUP_EXPENSIVE
| CLEANUP_UPDATE_LIFE
| (flag_crossjumping ? CLEANUP_CROSSJUMP : 0));
if (flag_if_conversion2)
{
timevar_push (TV_IFCVT2);
open_dump_file (DFI_ce3, decl);
if_convert (1);
close_dump_file (DFI_ce3, print_rtl_with_bb, insns);
timevar_pop (TV_IFCVT2);
}
close_dump_file (DFI_ce3, print_rtl_with_bb, insns);
if (optimize > 0)
{