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riscv-gcc-1
Commit 750628d8 by Diego Novillo Committed by Diego Novillo
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Makefile.in (OBJS-common): Add tree-ssa-propagate.o 


	* Makefile.in (OBJS-common): Add tree-ssa-propagate.o
	(tree-ssa-propagate.o): New rule.
	(GTFILES): Add tree-ssa-propagate.c.
	* tree-flow.h (struct stmt_ann_d): Remove field
	in_ccp_worklist.
	* tree-ssa-propagate.c: New file.
	* tree-ssa-propagate.h: New file.
	* tree-ssa-ccp.c: Re-write to use the routines from
	tree-ssa-propagate.c.

From-SVN: r86711
parent f108270b
Showing with 86 additions and 11 deletions
gcc/ChangeLog
2004-08-29 Diego Novillo <dnovillo@redhat.com>
* Makefile.in (OBJS-common): Add tree-ssa-propagate.o
(tree-ssa-propagate.o): New rule.
(GTFILES): Add tree-ssa-propagate.c.
* tree-flow.h (struct stmt_ann_d): Remove field
in_ccp_worklist.
* tree-ssa-propagate.c: New file.
* tree-ssa-propagate.h: New file.
* tree-ssa-ccp.c: Re-write to use the routines from
tree-ssa-propagate.c.
2004-08-28 Andrew Pinski <apinski@apple.com> 2004-08-28 Andrew Pinski <apinski@apple.com>
* tree-ssa-loop.c: Remove extra include of basic-block.h. * tree-ssa-loop.c: Remove extra include of basic-block.h.
......
gcc/Makefile.in
...@@ -890,7 +890,7 @@ OBJS-common = \ ...@@ -890,7 +890,7 @@ OBJS-common = \
tree-ssa-dom.o domwalk.o tree-tailcall.o gimple-low.o tree-iterator.o \ tree-ssa-dom.o domwalk.o tree-tailcall.o gimple-low.o tree-iterator.o \
tree-phinodes.o tree-ssanames.o tree-sra.o tree-complex.o tree-ssa-loop.o \ tree-phinodes.o tree-ssanames.o tree-sra.o tree-complex.o tree-ssa-loop.o \
tree-ssa-loop-niter.o tree-ssa-loop-manip.o tree-ssa-threadupdate.o \ tree-ssa-loop-niter.o tree-ssa-loop-manip.o tree-ssa-threadupdate.o \
tree-vectorizer.o tree-ssa-loop-ivcanon.o \ tree-vectorizer.o tree-ssa-loop-ivcanon.o tree-ssa-propagate.o \
alias.o bb-reorder.o bitmap.o builtins.o caller-save.o calls.o \ alias.o bb-reorder.o bitmap.o builtins.o caller-save.o calls.o \
cfg.o cfganal.o cfgbuild.o cfgcleanup.o cfglayout.o cfgloop.o \ cfg.o cfganal.o cfgbuild.o cfgcleanup.o cfglayout.o cfgloop.o \
cfgloopanal.o cfgloopmanip.o loop-init.o loop-unswitch.o loop-unroll.o \ cfgloopanal.o cfgloopmanip.o loop-init.o loop-unswitch.o loop-unroll.o \
...@@ -1628,6 +1628,11 @@ tree-ssa-copy.o : tree-ssa-copy.c $(TREE_FLOW_H) $(CONFIG_H) $(SYSTEM_H) \ ...@@ -1628,6 +1628,11 @@ tree-ssa-copy.o : tree-ssa-copy.c $(TREE_FLOW_H) $(CONFIG_H) $(SYSTEM_H) \
$(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h diagnostic.h \ $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h diagnostic.h \
errors.h function.h $(TIMEVAR_H) $(TM_H) coretypes.h $(TREE_DUMP_H) \ errors.h function.h $(TIMEVAR_H) $(TM_H) coretypes.h $(TREE_DUMP_H) \
$(BASIC_BLOCK_H) tree-pass.h langhooks.h $(BASIC_BLOCK_H) tree-pass.h langhooks.h
tree-ssa-propagate.o : tree-ssa-propagate.c $(TREE_FLOW_H) $(CONFIG_H) \
$(SYSTEM_H) $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h \
diagnostic.h errors.h function.h $(TIMEVAR_H) $(TM_H) coretypes.h \
$(TREE_DUMP_H) $(BASIC_BLOCK_H) tree-pass.h langhooks.h \
tree-ssa-propagate.h
tree-ssa-dom.o : tree-ssa-dom.c $(TREE_FLOW_H) $(CONFIG_H) $(SYSTEM_H) \ tree-ssa-dom.o : tree-ssa-dom.c $(TREE_FLOW_H) $(CONFIG_H) $(SYSTEM_H) \
$(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h diagnostic.h \ $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h diagnostic.h \
errors.h function.h $(TIMEVAR_H) $(TM_H) coretypes.h $(TREE_DUMP_H) \ errors.h function.h $(TIMEVAR_H) $(TM_H) coretypes.h $(TREE_DUMP_H) \
...@@ -1923,10 +1928,11 @@ lcm.o : lcm.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) $(REGS_H) \ ...@@ -1923,10 +1928,11 @@ lcm.o : lcm.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) $(REGS_H) \
tree-ssa-dce.o : tree-ssa-dce.c $(CONFIG_H) system.h errors.h $(TREE_H) \ tree-ssa-dce.o : tree-ssa-dce.c $(CONFIG_H) system.h errors.h $(TREE_H) \
$(RTL_H) $(TM_P_H) $(TREE_FLOW_H) diagnostic.h $(TIMEVAR_H) $(TM_H) \ $(RTL_H) $(TM_P_H) $(TREE_FLOW_H) diagnostic.h $(TIMEVAR_H) $(TM_H) \
coretypes.h $(TREE_DUMP_H) tree-pass.h $(FLAGS_H) coretypes.h $(TREE_DUMP_H) tree-pass.h $(FLAGS_H)
tree-ssa-ccp.o : tree-ssa-ccp.c $(CONFIG_H) system.h errors.h $(TREE_H) \ tree-ssa-ccp.o : tree-ssa-ccp.c $(TREE_FLOW_H) $(CONFIG_H) \
$(RTL_H) $(TM_P_H) $(TREE_FLOW_H) diagnostic.h tree-inline.h \ $(SYSTEM_H) $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) $(GGC_H) output.h \
$(TIMEVAR_H) $(TM_H) coretypes.h $(TREE_DUMP_H) $(TREE_GIMPLE_H) \ diagnostic.h errors.h function.h $(TIMEVAR_H) $(TM_H) coretypes.h \
$(EXPR_H) tree-pass.h $(FLAGS_H) langhooks.h $(TREE_DUMP_H) $(BASIC_BLOCK_H) tree-pass.h langhooks.h \
tree-ssa-propagate.h
tree-sra.o : tree-sra.c $(CONFIG_H) system.h errors.h $(TREE_H) $(RTL_H) \ tree-sra.o : tree-sra.c $(CONFIG_H) system.h errors.h $(TREE_H) $(RTL_H) \
$(TM_P_H) $(TREE_FLOW_H) diagnostic.h tree-inline.h \ $(TM_P_H) $(TREE_FLOW_H) diagnostic.h tree-inline.h \
$(TIMEVAR_H) $(TM_H) coretypes.h $(TREE_DUMP_H) $(TREE_GIMPLE_H) \ $(TIMEVAR_H) $(TM_H) coretypes.h $(TREE_DUMP_H) $(TREE_GIMPLE_H) \
...@@ -2393,7 +2399,7 @@ GTFILES = $(srcdir)/input.h $(srcdir)/coretypes.h \ ...@@ -2393,7 +2399,7 @@ GTFILES = $(srcdir)/input.h $(srcdir)/coretypes.h \
$(srcdir)/c-objc-common.c $(srcdir)/c-common.c $(srcdir)/c-parse.in \ $(srcdir)/c-objc-common.c $(srcdir)/c-common.c $(srcdir)/c-parse.in \
$(srcdir)/tree-ssanames.c $(srcdir)/tree-eh.c \ $(srcdir)/tree-ssanames.c $(srcdir)/tree-eh.c \
$(srcdir)/tree-phinodes.c $(srcdir)/tree-cfg.c \ $(srcdir)/tree-phinodes.c $(srcdir)/tree-cfg.c \
$(srcdir)/tree-dfa.c $(srcdir)/tree-ssa-ccp.c \ $(srcdir)/tree-dfa.c $(srcdir)/tree-ssa-propagate.c \
$(srcdir)/tree-iterator.c $(srcdir)/gimplify.c \ $(srcdir)/tree-iterator.c $(srcdir)/gimplify.c \
$(srcdir)/tree-alias-type.h $(srcdir)/tree-alias-common.h \ $(srcdir)/tree-alias-type.h $(srcdir)/tree-alias-common.h \
$(srcdir)/tree-alias-type.c $(srcdir)/tree-alias-common.c \ $(srcdir)/tree-alias-type.c $(srcdir)/tree-alias-common.c \
......
gcc/tree-flow.h
...@@ -248,11 +248,6 @@ struct stmt_ann_d GTY(()) ...@@ -248,11 +248,6 @@ struct stmt_ann_d GTY(())
need to be scanned again). */ need to be scanned again). */
unsigned modified : 1; unsigned modified : 1;
/* Nonzero if the statement is in the CCP worklist and has not been
"cancelled". If we ever need to use this bit outside CCP, then
it should be renamed. */
unsigned in_ccp_worklist: 1;
/* Nonzero if the statement makes aliased loads. */ /* Nonzero if the statement makes aliased loads. */
unsigned makes_aliased_loads : 1; unsigned makes_aliased_loads : 1;
......
gcc/tree-ssa-propagate.h 0 → 100644
/* Data structures and function declarations for the SSA value propagation
engine.
Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
Contributed by Diego Novillo <dnovillo@redhat.com>
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 2, 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 COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _TREE_SSA_PROPAGATE_H
#define _TREE_SSA_PROPAGATE_H 1
/* Use the TREE_VISITED bitflag to mark statements and PHI nodes that
have been deemed varying and should not be simulated again. */
#define DONT_SIMULATE_AGAIN(T) TREE_VISITED (T)
/* Lattice values used for propagation purposes. Specific instances
of a propagation engine must return these values from the statement
and PHI visit functions to direct the engine. */
enum ssa_prop_result {
/* The statement produces nothing of interest. No edges will be
added to the work lists. */
SSA_PROP_NOT_INTERESTING,
/* The statement produces an interesting value. The set SSA_NAMEs
returned by SSA_PROP_VISIT_STMT should be added to
INTERESTING_SSA_EDGES. If the statement being visited is a
conditional jump, SSA_PROP_VISIT_STMT should indicate which edge
out of the basic block should be marked exectuable. */
SSA_PROP_INTERESTING,
/* The statement produces a varying (i.e., useless) value and
should not be simulated again. If the statement being visited
is a conditional jump, all the edges coming out of the block
will be considered executable. */
SSA_PROP_VARYING
};
/* Call-back functions used by the value propagation engine. */
typedef enum ssa_prop_result (*ssa_prop_visit_stmt_fn) (tree, edge *, tree *);
typedef enum ssa_prop_result (*ssa_prop_visit_phi_fn) (tree);
void ssa_propagate (ssa_prop_visit_stmt_fn, ssa_prop_visit_phi_fn);
tree get_rhs (tree);
bool set_rhs (tree *, tree);
#endif /* _TREE_SSA_PROPAGATE_H */
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