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authorhjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4>2009-11-25 10:55:54 +0000
committerhjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4>2009-11-25 10:55:54 +0000
commit48e1416a24d50cacbb2a5e06a9ee61dd8cbee313 (patch)
tree4375f002b368e9044a1d9ca874026be04b7c3105 /gcc/tree-ssa-sink.c
parent7f0f96af0499f0a9f8ee7198823d311f1a66ca9b (diff)
downloadgcc-48e1416a24d50cacbb2a5e06a9ee61dd8cbee313.tar.gz
Remove trailing white spaces.
2009-11-25 H.J. Lu <hongjiu.lu@intel.com> * alias.c: Remove trailing white spaces. * alloc-pool.c: Likewise. * alloc-pool.h: Likewise. * attribs.c: Likewise. * auto-inc-dec.c: Likewise. * basic-block.h: Likewise. * bb-reorder.c: Likewise. * bt-load.c: Likewise. * builtins.c: Likewise. * builtins.def: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-cppbuiltin.c: Likewise. * c-decl.c: Likewise. * c-format.c: Likewise. * c-lex.c: Likewise. * c-omp.c: Likewise. * c-opts.c: Likewise. * c-parser.c: Likewise. * c-pretty-print.c: Likewise. * c-tree.h: Likewise. * c-typeck.c: Likewise. * caller-save.c: Likewise. * calls.c: Likewise. * cfg.c: Likewise. * cfganal.c: Likewise. * cfgexpand.c: Likewise. * cfghooks.c: Likewise. * cfghooks.h: Likewise. * cfglayout.c: Likewise. * cfgloop.c: Likewise. * cfgloop.h: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * cgraph.c: Likewise. * cgraph.h: Likewise. * cgraphbuild.c: Likewise. * cgraphunit.c: Likewise. * cif-code.def: Likewise. * collect2.c: Likewise. * combine.c: Likewise. * convert.c: Likewise. * coverage.c: Likewise. * crtstuff.c: Likewise. * cse.c: Likewise. * cselib.c: Likewise. * dbgcnt.c: Likewise. * dbgcnt.def: Likewise. * dbgcnt.h: Likewise. * dbxout.c: Likewise. * dce.c: Likewise. * ddg.c: Likewise. * ddg.h: Likewise. * defaults.h: Likewise. * df-byte-scan.c: Likewise. * df-core.c: Likewise. * df-problems.c: Likewise. * df-scan.c: Likewise. * df.h: Likewise. * dfp.c: Likewise. * diagnostic.c: Likewise. * diagnostic.h: Likewise. * dominance.c: Likewise. * domwalk.c: Likewise. * double-int.c: Likewise. * double-int.h: Likewise. * dse.c: Likewise. * dwarf2asm.c: Likewise. * dwarf2asm.h: Likewise. * dwarf2out.c: Likewise. * ebitmap.c: Likewise. * ebitmap.h: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * except.c: Likewise. * except.h: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * expr.h: Likewise. * final.c: Likewise. * flags.h: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * function.h: Likewise. * fwprop.c: Likewise. * gcc.c: Likewise. * gcov-dump.c: Likewise. * gcov-io.c: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genattr.c: Likewise. * genattrtab.c: Likewise. * genautomata.c: Likewise. * genchecksum.c: Likewise. * genconfig.c: Likewise. * genflags.c: Likewise. * gengtype-parse.c: Likewise. * gengtype.c: Likewise. * gengtype.h: Likewise. * genmddeps.c: Likewise. * genmodes.c: Likewise. * genopinit.c: Likewise. * genpreds.c: Likewise. * gensupport.c: Likewise. * ggc-common.c: Likewise. * ggc-page.c: Likewise. * ggc-zone.c: Likewise. * ggc.h: Likewise. * gimple-iterator.c: Likewise. * gimple-low.c: Likewise. * gimple-pretty-print.c: Likewise. * gimple.c: Likewise. * gimple.def: Likewise. * gimple.h: Likewise. * gimplify.c: Likewise. * graphds.c: Likewise. * graphite-clast-to-gimple.c: Likewise. * gthr-nks.h: Likewise. * gthr-posix.c: Likewise. * gthr-posix.h: Likewise. * gthr-posix95.h: Likewise. * gthr-single.h: Likewise. * gthr-tpf.h: Likewise. * gthr-vxworks.h: Likewise. * gthr.h: Likewise. * haifa-sched.c: Likewise. * hard-reg-set.h: Likewise. * hooks.c: Likewise. * hooks.h: Likewise. * hosthooks.h: Likewise. * hwint.h: Likewise. * ifcvt.c: Likewise. * incpath.c: Likewise. * init-regs.c: Likewise. * integrate.c: Likewise. * ipa-cp.c: Likewise. * ipa-inline.c: Likewise. * ipa-prop.c: Likewise. * ipa-pure-const.c: Likewise. * ipa-reference.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa-struct-reorg.h: Likewise. * ipa-type-escape.c: Likewise. * ipa-type-escape.h: Likewise. * ipa-utils.c: Likewise. * ipa-utils.h: Likewise. * ipa.c: Likewise. * ira-build.c: Likewise. * ira-color.c: Likewise. * ira-conflicts.c: Likewise. * ira-costs.c: Likewise. * ira-emit.c: Likewise. * ira-int.h: Likewise. * ira-lives.c: Likewise. * ira.c: Likewise. * jump.c: Likewise. * lambda-code.c: Likewise. * lambda-mat.c: Likewise. * lambda-trans.c: Likewise. * lambda.h: Likewise. * langhooks.c: Likewise. * lcm.c: Likewise. * libgcov.c: Likewise. * lists.c: Likewise. * loop-doloop.c: Likewise. * loop-init.c: Likewise. * loop-invariant.c: Likewise. * loop-iv.c: Likewise. * loop-unroll.c: Likewise. * lower-subreg.c: Likewise. * lto-cgraph.c: Likewise. * lto-compress.c: Likewise. * lto-opts.c: Likewise. * lto-section-in.c: Likewise. * lto-section-out.c: Likewise. * lto-streamer-in.c: Likewise. * lto-streamer-out.c: Likewise. * lto-streamer.c: Likewise. * lto-streamer.h: Likewise. * lto-symtab.c: Likewise. * lto-wpa-fixup.c: Likewise. * matrix-reorg.c: Likewise. * mcf.c: Likewise. * mode-switching.c: Likewise. * modulo-sched.c: Likewise. * omega.c: Likewise. * omega.h: Likewise. * omp-low.c: Likewise. * optabs.c: Likewise. * optabs.h: Likewise. * opts-common.c: Likewise. * opts.c: Likewise. * params.def: Likewise. * params.h: Likewise. * passes.c: Likewise. * plugin.c: Likewise. * postreload-gcse.c: Likewise. * postreload.c: Likewise. * predict.c: Likewise. * predict.def: Likewise. * pretty-print.c: Likewise. * pretty-print.h: Likewise. * print-rtl.c: Likewise. * print-tree.c: Likewise. * profile.c: Likewise. * read-rtl.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * reg-stack.c: Likewise. * regcprop.c: Likewise. * reginfo.c: Likewise. * regmove.c: Likewise. * regrename.c: Likewise. * regs.h: Likewise. * regstat.c: Likewise. * reload.c: Likewise. * reload1.c: Likewise. * resource.c: Likewise. * rtl.c: Likewise. * rtl.def: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. * sbitmap.c: Likewise. * sched-deps.c: Likewise. * sched-ebb.c: Likewise. * sched-int.h: Likewise. * sched-rgn.c: Likewise. * sched-vis.c: Likewise. * sdbout.c: Likewise. * sel-sched-dump.c: Likewise. * sel-sched-dump.h: Likewise. * sel-sched-ir.c: Likewise. * sel-sched-ir.h: Likewise. * sel-sched.c: Likewise. * sel-sched.h: Likewise. * sese.c: Likewise. * sese.h: Likewise. * simplify-rtx.c: Likewise. * stack-ptr-mod.c: Likewise. * stmt.c: Likewise. * stor-layout.c: Likewise. * store-motion.c: Likewise. * stringpool.c: Likewise. * stub-objc.c: Likewise. * sync-builtins.def: Likewise. * target-def.h: Likewise. * target.h: Likewise. * targhooks.c: Likewise. * targhooks.h: Likewise. * timevar.c: Likewise. * tlink.c: Likewise. * toplev.c: Likewise. * toplev.h: Likewise. * tracer.c: Likewise. * tree-affine.c: Likewise. * tree-affine.h: Likewise. * tree-browser.def: Likewise. * tree-call-cdce.c: Likewise. * tree-cfg.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-chrec.c: Likewise. * tree-chrec.h: Likewise. * tree-complex.c: Likewise. * tree-data-ref.c: Likewise. * tree-data-ref.h: Likewise. * tree-dfa.c: Likewise. * tree-dump.c: Likewise. * tree-dump.h: Likewise. * tree-eh.c: Likewise. * tree-flow-inline.h: Likewise. * tree-flow.h: Likewise. * tree-if-conv.c: Likewise. * tree-inline.c: Likewise. * tree-into-ssa.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-loop-linear.c: Likewise. * tree-mudflap.c: Likewise. * tree-nested.c: Likewise. * tree-nomudflap.c: Likewise. * tree-nrv.c: Likewise. * tree-object-size.c: Likewise. * tree-optimize.c: Likewise. * tree-outof-ssa.c: Likewise. * tree-parloops.c: Likewise. * tree-pass.h: Likewise. * tree-phinodes.c: Likewise. * tree-predcom.c: Likewise. * tree-pretty-print.c: Likewise. * tree-profile.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-ssa-address.c: Likewise. * tree-ssa-alias.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-coalesce.c: Likewise. * tree-ssa-copy.c: Likewise. * tree-ssa-copyrename.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-ssa-dse.c: Likewise. * tree-ssa-forwprop.c: Likewise. * tree-ssa-ifcombine.c: Likewise. * tree-ssa-live.c: Likewise. * tree-ssa-live.h: Likewise. * tree-ssa-loop-ch.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-ivcanon.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-manip.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-loop-unswitch.c: Likewise. * tree-ssa-loop.c: Likewise. * tree-ssa-math-opts.c: Likewise. * tree-ssa-operands.c: Likewise. * tree-ssa-operands.h: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-propagate.c: Likewise. * tree-ssa-reassoc.c: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-sink.c: Likewise. * tree-ssa-structalias.c: Likewise. * tree-ssa-ter.c: Likewise. * tree-ssa-threadedge.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa-uncprop.c: Likewise. * tree-ssa.c: Likewise. * tree-ssanames.c: Likewise. * tree-switch-conversion.c: Likewise. * tree-tailcall.c: Likewise. * tree-vect-data-refs.c: Likewise. * tree-vect-generic.c: Likewise. * tree-vect-loop-manip.c: Likewise. * tree-vect-loop.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-vect-slp.c: Likewise. * tree-vect-stmts.c: Likewise. * tree-vectorizer.c: Likewise. * tree-vectorizer.h: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. * tree.def: Likewise. * tree.h: Likewise. * treestruct.def: Likewise. * unwind-compat.c: Likewise. * unwind-dw2-fde-glibc.c: Likewise. * unwind-dw2.c: Likewise. * value-prof.c: Likewise. * value-prof.h: Likewise. * var-tracking.c: Likewise. * varasm.c: Likewise. * varpool.c: Likewise. * vec.c: Likewise. * vec.h: Likewise. * vmsdbgout.c: Likewise. * web.c: Likewise. * xcoffout.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@154645 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-sink.c')
-rw-r--r--gcc/tree-ssa-sink.c60
1 files changed, 30 insertions, 30 deletions
diff --git a/gcc/tree-ssa-sink.c b/gcc/tree-ssa-sink.c
index be3fb7145fd..6f7d9a4685b 100644
--- a/gcc/tree-ssa-sink.c
+++ b/gcc/tree-ssa-sink.c
@@ -53,7 +53,7 @@ along with GCC; see the file COPYING3. If not see
else
y = *q;
-
+
should become
sinktemp = p;
p = p + 1;
@@ -65,16 +65,16 @@ along with GCC; see the file COPYING3. If not see
y = *q
}
Store copy propagation will take care of the store elimination above.
-
+
2. Sinking using Partial Dead Code Elimination. */
static struct
-{
+{
/* The number of statements sunk down the flowgraph by code sinking. */
int sunk;
-
+
} sink_stats;
@@ -205,7 +205,7 @@ is_hidden_global_store (gimple stmt)
static basic_block
nearest_common_dominator_of_uses (gimple stmt, bool *debug_stmts)
-{
+{
bitmap blocks = BITMAP_ALLOC (NULL);
basic_block commondom;
unsigned int j;
@@ -250,13 +250,13 @@ nearest_common_dominator_of_uses (gimple stmt, bool *debug_stmts)
}
commondom = BASIC_BLOCK (bitmap_first_set_bit (blocks));
EXECUTE_IF_SET_IN_BITMAP (blocks, 0, j, bi)
- commondom = nearest_common_dominator (CDI_DOMINATORS, commondom,
+ commondom = nearest_common_dominator (CDI_DOMINATORS, commondom,
BASIC_BLOCK (j));
BITMAP_FREE (blocks);
return commondom;
}
-/* Given a statement (STMT) and the basic block it is currently in (FROMBB),
+/* Given a statement (STMT) and the basic block it is currently in (FROMBB),
determine the location to sink the statement to, if any.
Returns true if there is such location; in that case, TOGSI points to the
statement before that STMT should be moved. */
@@ -297,19 +297,19 @@ statement_sink_location (gimple stmt, basic_block frombb,
/* There are a few classes of things we can't or don't move, some because we
don't have code to handle it, some because it's not profitable and some
- because it's not legal.
-
+ because it's not legal.
+
We can't sink things that may be global stores, at least not without
calculating a lot more information, because we may cause it to no longer
be seen by an external routine that needs it depending on where it gets
- moved to.
-
+ moved to.
+
We don't want to sink loads from memory.
We can't sink statements that end basic blocks without splitting the
incoming edge for the sink location to place it there.
- We can't sink statements that have volatile operands.
+ We can't sink statements that have volatile operands.
We don't want to sink dead code, so anything with 0 immediate uses is not
sunk.
@@ -329,7 +329,7 @@ statement_sink_location (gimple stmt, basic_block frombb,
|| (cfun->has_local_explicit_reg_vars
&& TYPE_MODE (TREE_TYPE (gimple_assign_lhs (stmt))) == BLKmode))
return false;
-
+
FOR_EACH_SSA_DEF_OPERAND (def_p, stmt, iter, SSA_OP_ALL_DEFS)
{
tree def = DEF_FROM_PTR (def_p);
@@ -337,14 +337,14 @@ statement_sink_location (gimple stmt, basic_block frombb,
|| SSA_NAME_OCCURS_IN_ABNORMAL_PHI (def))
return false;
}
-
+
FOR_EACH_SSA_USE_OPERAND (use_p, stmt, iter, SSA_OP_ALL_USES)
{
tree use = USE_FROM_PTR (use_p);
if (SSA_NAME_OCCURS_IN_ABNORMAL_PHI (use))
return false;
}
-
+
/* If all the immediate uses are not in the same place, find the nearest
common dominator of all the immediate uses. For PHI nodes, we have to
find the nearest common dominator of all of the predecessor blocks, since
@@ -354,16 +354,16 @@ statement_sink_location (gimple stmt, basic_block frombb,
bool debug_stmts = false;
basic_block commondom = nearest_common_dominator_of_uses (stmt,
&debug_stmts);
-
+
if (commondom == frombb)
return false;
/* Our common dominator has to be dominated by frombb in order to be a
trivially safe place to put this statement, since it has multiple
- uses. */
+ uses. */
if (!dominated_by_p (CDI_DOMINATORS, commondom, frombb))
return false;
-
+
/* It doesn't make sense to move to a dominator that post-dominates
frombb, because it means we've just moved it into a path that always
executes if frombb executes, instead of reducing the number of
@@ -417,10 +417,10 @@ statement_sink_location (gimple stmt, basic_block frombb,
/* This will happen when you have
a_3 = PHI <a_13, a_26>
-
- a_26 = VDEF <a_3>
- If the use is a phi, and is in the same bb as the def,
+ a_26 = VDEF <a_3>
+
+ If the use is a phi, and is in the same bb as the def,
we can't sink it. */
if (gimple_bb (use) == frombb)
@@ -449,7 +449,7 @@ sink_code_in_bb (basic_block bb)
edge_iterator ei;
edge e;
bool last = true;
-
+
/* If this block doesn't dominate anything, there can't be any place to sink
the statements to. */
if (first_dom_son (CDI_DOMINATORS, bb) == NULL)
@@ -462,7 +462,7 @@ sink_code_in_bb (basic_block bb)
for (gsi = gsi_last_bb (bb); !gsi_end_p (gsi);)
{
- gimple stmt = gsi_stmt (gsi);
+ gimple stmt = gsi_stmt (gsi);
gimple_stmt_iterator togsi;
if (!statement_sink_location (stmt, bb, &togsi))
@@ -471,7 +471,7 @@ sink_code_in_bb (basic_block bb)
gsi_prev (&gsi);
last = false;
continue;
- }
+ }
if (dump_file)
{
fprintf (dump_file, "Sinking ");
@@ -479,7 +479,7 @@ sink_code_in_bb (basic_block bb)
fprintf (dump_file, " from bb %d to bb %d\n",
bb->index, (gsi_bb (togsi))->index);
}
-
+
/* If this is the end of the basic block, we need to insert at the end
of the basic block. */
if (gsi_end_p (togsi))
@@ -503,7 +503,7 @@ sink_code_in_bb (basic_block bb)
last = false;
if (!gsi_end_p (gsi))
gsi_prev (&gsi);
-
+
}
earlyout:
for (son = first_dom_son (CDI_POST_DOMINATORS, bb);
@@ -512,7 +512,7 @@ sink_code_in_bb (basic_block bb)
{
sink_code_in_bb (son);
}
-}
+}
/* Perform code sinking.
This moves code down the flowgraph when we know it would be
@@ -520,7 +520,7 @@ sink_code_in_bb (basic_block bb)
executions of the statement.
IE given
-
+
a_1 = b + c;
if (<something>)
{
@@ -559,7 +559,7 @@ execute_sink_code (void)
memset (&sink_stats, 0, sizeof (sink_stats));
calculate_dominance_info (CDI_DOMINATORS);
calculate_dominance_info (CDI_POST_DOMINATORS);
- sink_code_in_bb (EXIT_BLOCK_PTR);
+ sink_code_in_bb (EXIT_BLOCK_PTR);
statistics_counter_event (cfun, "Sunk statements", sink_stats.sunk);
free_dominance_info (CDI_POST_DOMINATORS);
remove_fake_exit_edges ();
@@ -597,7 +597,7 @@ struct gimple_opt_pass pass_sink_code =
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- TODO_update_ssa
+ TODO_update_ssa
| TODO_dump_func
| TODO_ggc_collect
| TODO_verify_ssa /* todo_flags_finish */