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sparc-passes.def: New file.

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* config/sparc/sparc-passes.def: New file.
	* config/sparc/t-sparc (PASSES_EXTRA): Add sparc-passes.def.
	* config/sparc/sparc-protos.h (make_pass_work_around_errata): New.
	* config/sparc/sparc.c (sparc_option_override): Don't register passes.

From-SVN: r241180
This commit is contained in:
Eric Botcazou 2016-10-14 19:11:15 +00:00
parent de1d079440
commit 6af11d2bf4
5 changed files with 41 additions and 20 deletions
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10
gcc/ChangeLog
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@ -1,3 +1,10 @@
2016-10-14 Eric Botcazou <ebotcazou@adacore.com>
* config/sparc/sparc-passes.def: New file.
* config/sparc/t-sparc (PASSES_EXTRA): Add sparc-passes.def.
* config/sparc/sparc-protos.h (make_pass_work_around_errata): New.
* config/sparc/sparc.c (sparc_option_override): Don't register passes.
2016-10-14 Pat Haugen <pthaugen@us.ibm.com>
* loop-unroll.c (unroll_loop_runtime_iterations): Condition initial
@ -13,8 +20,7 @@
2016-10-14 Pedro Alves <palves@redhat.com>
* coretypes.h (OVERRIDE, FINAL): Delete, moved to
include/ansidecl.h.
* coretypes.h (OVERRIDE, FINAL): Delete, moved to include/ansidecl.h.
2016-10-14 Catherine Moore <clm@codesourcery.com>

27
gcc/config/sparc/sparc-passes.def Normal file
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@ -0,0 +1,27 @@
/* Description of target passes for SPARC.
Copyright (C) 2016 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/*
Macros that can be used in this file:
INSERT_PASS_AFTER (PASS, INSTANCE, TGT_PASS)
INSERT_PASS_BEFORE (PASS, INSTANCE, TGT_PASS)
REPLACE_PASS (PASS, INSTANCE, TGT_PASS)
*/
INSERT_PASS_AFTER (pass_delay_slots, 1, pass_work_around_errata);

3
gcc/config/sparc/sparc-protos.h
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@ -47,6 +47,7 @@ extern void sparc_profile_hook (int);
extern void sparc_override_options (void);
extern void sparc_output_scratch_registers (FILE *);
extern void sparc_target_macros (void);
extern void sparc_emit_membar_for_model (enum memmodel, int, int);
#ifdef RTX_CODE
extern machine_mode select_cc_mode (enum rtx_code, rtx, rtx);
@ -110,6 +111,6 @@ unsigned int sparc_regmode_natural_size (machine_mode);
bool sparc_modes_tieable_p (machine_mode, machine_mode);
#endif /* RTX_CODE */
extern void sparc_emit_membar_for_model (enum memmodel, int, int);
extern rtl_opt_pass *make_pass_work_around_errata (gcc::context *);
#endif /* __SPARC_PROTOS_H__ */

19
gcc/config/sparc/sparc.c
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@ -883,10 +883,10 @@ mem_ref (rtx x)
}
/* We use a machine specific pass to enable workarounds for errata.
We need to have the (essentially) final form of the insn stream in order
to properly detect the various hazards. Therefore, this machine specific
pass runs as late as possible. The pass is inserted in the pass pipeline
at the end of sparc_option_override. */
pass runs as late as possible. */
static unsigned int
sparc_do_work_around_errata (void)
@ -1706,21 +1706,6 @@ sparc_option_override (void)
pessimizes for double floating-point registers. */
if (!global_options_set.x_flag_ira_share_save_slots)
flag_ira_share_save_slots = 0;
/* We register a machine specific pass to work around errata, if any.
The pass mut be scheduled as late as possible so that we have the
(essentially) final form of the insn stream to work on.
Registering the pass must be done at start up. It's convenient to
do it here. */
opt_pass *errata_pass = make_pass_work_around_errata (g);
struct register_pass_info insert_pass_work_around_errata =
{
errata_pass, /* pass */
"dbr", /* reference_pass_name */
1, /* ref_pass_instance_number */
PASS_POS_INSERT_AFTER /* po_op */
};
register_pass (&insert_pass_work_around_errata);
}
/* Miscellaneous utilities. */

2
gcc/config/sparc/t-sparc
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@ -18,6 +18,8 @@
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
PASSES_EXTRA += $(srcdir)/config/sparc/sparc-passes.def
sparc-c.o: $(srcdir)/config/sparc/sparc-c.c
$(COMPILE) $<
$(POSTCOMPILE)