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Makefile.in (bb-reorder.o): Add dependency on $(FIBHEAP_H).

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* Makefile.in (bb-reorder.o): Add dependency on $(FIBHEAP_H).
	* bb-reorder.c (make_reorder_chain): Deleted.
	(make_reorder_chain_1): Deleted.
	(find_traces): New function.
	(rotate_loop): New function.
	(mark_bb_visited): New function.
	(find_traces_1_round): New function.
	(copy_bb): New function.
	(bb_to_key): New function.
	(better_edge_p): New function.
	(connect_traces): New function.
	(copy_bb_p): New function.
	(get_uncond_jump_length): New function.
	(reorder_basic_blocks): Use new functions (Software Trace Cache).
	* cfgcleanup.c (outgoing_edges_match): Enable crossjumping across loop
	boundaries.

From-SVN: r62645
This commit is contained in:
Josef Zlomek 2003-02-10 20:18:42 +01:00 committed by Josef Zlomek
parent 17edbda579
commit aa634f11e6
4 changed files with 1023 additions and 192 deletions
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19
gcc/ChangeLog
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@ -1,3 +1,22 @@
2003-02-10 Josef Zlomek <zlomekj@suse.cz>
* Makefile.in (bb-reorder.o): Add dependency on $(FIBHEAP_H).
* bb-reorder.c (make_reorder_chain): Deleted.
(make_reorder_chain_1): Deleted.
(find_traces): New function.
(rotate_loop): New function.
(mark_bb_visited): New function.
(find_traces_1_round): New function.
(copy_bb): New function.
(bb_to_key): New function.
(better_edge_p): New function.
(connect_traces): New function.
(copy_bb_p): New function.
(get_uncond_jump_length): New function.
(reorder_basic_blocks): Use new functions (Software Trace Cache).
* cfgcleanup.c (outgoing_edges_match): Enable crossjumping across loop
boundaries.
2003-02-10 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/rs6000.c (bdesc_2arg): Change spe_evxor to xorv2si3.

5
gcc/Makefile.in
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@ -1691,8 +1691,9 @@ predict.o: predict.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) $(TREE
$(RECOG_H) function.h except.h $(EXPR_H) $(TM_P_H) $(PREDICT_H) sreal.h \
$(PARAMS_H) $(TARGET_H) cfgloop.h
lists.o: lists.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) toplev.h $(RTL_H) $(GGC_H)
bb-reorder.o : bb-reorder.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) \
$(TREE_H) flags.h $(BASIC_BLOCK_H) hard-reg-set.h output.h cfglayout.h $(TARGET_H)
bb-reorder.o : bb-reorder.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
$(RTL_H) $(BASIC_BLOCK_H) flags.h output.h cfglayout.h $(FIBHEAP_H) \
$(TARGET_H)
tracer.o : tracer.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) $(TREE_H) \
$(BASIC_BLOCK_H) hard-reg-set.h output.h cfglayout.h flags.h \
$(PARAMS_H) profile.h

1180
gcc/bb-reorder.c
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File diff suppressed because it is too large Load Diff

11
gcc/cfgcleanup.c
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@ -1143,17 +1143,6 @@ outgoing_edges_match (mode, bb1, bb2)
|| !onlyjump_p (bb2->end))
return false;
/* Do not crossjump across loop boundaries. This is a temporary
workaround for the common scenario in which crossjumping results
in killing the duplicated loop condition, making bb-reorder rotate
the loop incorrectly, leaving an extra unconditional jump inside
the loop.
This check should go away once bb-reorder knows how to duplicate
code in this case or rotate the loops to avoid this scenario. */
if (bb1->loop_depth != bb2->loop_depth)
return false;
b1 = BRANCH_EDGE (bb1);
b2 = BRANCH_EDGE (bb2);
f1 = FALLTHRU_EDGE (bb1);