diff options
author | H.J. Lu <hongjiu.lu@intel.com> | 2009-11-25 10:55:54 +0000 |
---|---|---|
committer | H.J. Lu <hjl@gcc.gnu.org> | 2009-11-25 02:55:54 -0800 |
commit | b8698a0f3794ca2fda9837dfdd83feea1a4ca75c (patch) | |
tree | 4375f002b368e9044a1d9ca874026be04b7c3105 /gcc/tree-tailcall.c | |
parent | 98aa3f36a781727c603ad99ada9632131154b9a7 (diff) | |
download | gcc-b8698a0f3794ca2fda9837dfdd83feea1a4ca75c.zip gcc-b8698a0f3794ca2fda9837dfdd83feea1a4ca75c.tar.gz gcc-b8698a0f3794ca2fda9837dfdd83feea1a4ca75c.tar.bz2 |
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.
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* 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.
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* flags.h: Likewise.
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* fwprop.c: Likewise.
* gcc.c: Likewise.
* gcov-dump.c: Likewise.
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* 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.
From-SVN: r154645
Diffstat (limited to 'gcc/tree-tailcall.c')
-rw-r--r-- | gcc/tree-tailcall.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/gcc/tree-tailcall.c b/gcc/tree-tailcall.c index c29bfc3..de2a45e 100644 --- a/gcc/tree-tailcall.c +++ b/gcc/tree-tailcall.c @@ -65,7 +65,7 @@ along with GCC; see the file COPYING3. If not see return acc; } - To do this, we maintain two accumulators (a_acc and m_acc) that indicate + To do this, we maintain two accumulators (a_acc and m_acc) that indicate when we reach the return x statement, we should return a_acc + x * m_acc instead. They are initially initialized to 0 and 1, respectively, so the semantics of the function is obviously preserved. If we are @@ -79,12 +79,12 @@ along with GCC; see the file COPYING3. If not see 1) Just return x, where x is not in any of the remaining special shapes. We rewrite this to a gimple equivalent of return m_acc * x + a_acc. - + 2) return f (...), where f is the current function, is rewritten in a classical tail-recursion elimination way, into assignment of arguments and jump to the start of the function. Values of the accumulators are unchanged. - + 3) return a + m * f(...), where a and m do not depend on call to f. To preserve the semantics described before we want this to be rewritten in such a way that we finally return @@ -211,7 +211,7 @@ independent_of_stmt_p (tree expr, gimple at, gimple_stmt_iterator gsi) bb->aux = &bb->aux; while (1) - { + { at = SSA_NAME_DEF_STMT (expr); bb = gimple_bb (at); @@ -270,7 +270,7 @@ process_assignment (gimple stmt, gimple_stmt_iterator call, tree *m, enum tree_code code = gimple_assign_rhs_code (stmt); enum gimple_rhs_class rhs_class = get_gimple_rhs_class (code); tree src_var = gimple_assign_rhs1 (stmt); - + /* See if this is a simple copy operation of an SSA name to the function result. In that case we may have a simple tail call. Ignore type conversions that can never produce extra code between the function @@ -350,7 +350,7 @@ propagate_through_phis (tree var, edge e) { basic_block dest = e->dest; gimple_stmt_iterator gsi; - + for (gsi = gsi_start_phis (dest); !gsi_end_p (gsi); gsi_next (&gsi)) { gimple phi = gsi_stmt (gsi); @@ -411,7 +411,7 @@ find_tail_calls (basic_block bb, struct tailcall **ret) return; } - /* If the LHS of our call is not just a simple register, we can't + /* If the LHS of our call is not just a simple register, we can't transform this into a tail or sibling call. This situation happens, in (e.g.) "*p = foo()" where foo returns a struct. In this case we won't have a temporary here, but we need to carry out the side @@ -569,7 +569,7 @@ add_successor_phi_arg (edge e, tree var, tree phi_arg) tree node of the statement's result. */ static tree -adjust_return_value_with_ops (enum tree_code code, const char *label, +adjust_return_value_with_ops (enum tree_code code, const char *label, tree op0, tree op1, gimple_stmt_iterator gsi, enum gsi_iterator_update update) { @@ -590,7 +590,7 @@ adjust_return_value_with_ops (enum tree_code code, const char *label, return result; } -/* Creates a new GIMPLE statement that adjusts the value of accumulator ACC by +/* Creates a new GIMPLE statement that adjusts the value of accumulator ACC by the computation specified by CODE and OP1 and insert the statement at the position specified by GSI as a new statement. Returns new SSA name of updated accumulator. */ @@ -708,7 +708,7 @@ arg_needs_copy_p (tree param) if (!is_gimple_reg (param) || !var_ann (param)) return false; - + /* Parameters that are only defined but never used need not be copied. */ def = gimple_default_def (cfun, param); if (!def) @@ -893,7 +893,7 @@ create_tailcall_accumulator (const char *label, basic_block bb, tree init) UNKNOWN_LOCATION); return PHI_RESULT (phi); } - + /* Optimizes tail calls in the function, turning the tail recursion into iteration. */ @@ -953,7 +953,7 @@ tree_optimize_tail_calls_1 (bool opt_tailcalls) set_default_def (param, new_name); phi = create_phi_node (name, first); SSA_NAME_DEF_STMT (name) = phi; - add_phi_arg (phi, new_name, single_pred_edge (first), + add_phi_arg (phi, new_name, single_pred_edge (first), EXPR_LOCATION (param)); } phis_constructed = true; @@ -1016,7 +1016,7 @@ execute_tail_calls (void) return tree_optimize_tail_calls_1 (true); } -struct gimple_opt_pass pass_tail_recursion = +struct gimple_opt_pass pass_tail_recursion = { { GIMPLE_PASS, @@ -1035,7 +1035,7 @@ struct gimple_opt_pass pass_tail_recursion = } }; -struct gimple_opt_pass pass_tail_calls = +struct gimple_opt_pass pass_tail_calls = { { GIMPLE_PASS, |