r193677 - in /trunk/gcc: ChangeLog ada/ChangeLo...

Tue Nov 20 21:21:00 GMT 2012

Author: dnovillo
Date: Tue Nov 20 21:21:30 2012
New Revision: 193677

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193677
Log:
Introduce vNULL to use as a nil initializer for vec<>.

This patch implements Jakub's idea of adding an empty struct with
a typecast operator that returns nil vectors.  This is useful to
shorten all the initializers when declaring vec instances or passing
nil vectors as function arguments.

2012-11-20  Diego Novillo  <dnovillo@google.com>
	    Jakub Jelinek  <jakub@redhat.com>

ChangeLog
	* vec.h (struct vnull): Declare.
	(vNULL): Declare.
	* vec.c (vNULL): Define.
	* bb-reorder.c: Replace all vec<T, A>() initializers with vNULL.
	* cfgexpand.c: Likewise.
	* cfgloop.c: Likewise.
	* cfgloopanal.c: Likewise.
	* cfgloopmanip.c: Likewise.
	* cgraph.c: Likewise.
	* config/c6x/c6x.c: Likewise.
	* config/i386/i386.c: Likewise.
	* df-core.c: Likewise.
	* dominance.c: Likewise.
	* dwarf2out.c: Likewise.
	* except.c: Likewise.
	* function.c: Likewise.
	* gcse.c: Likewise.
	* genautomata.c: Likewise.
	* graphds.c: Likewise.
	* graphite-scop-detection.c: Likewise.
	* graphite.c: Likewise.
	* haifa-sched.c: Likewise.
	* ifcvt.c: Likewise.
	* ipa-cp.c: Likewise.
	* ipa-inline-analysis.c: Likewise.
	* ipa-inline-transform.c: Likewise.
	* ipa-inline.c: Likewise.
	* ipa-prop.c: Likewise.
	* ipa-split.c: Likewise.
	* ipa-utils.c: Likewise.
	* ira-build.c: Likewise.
	* lto-cgraph.c: Likewise.
	* lto-streamer-in.c: Likewise.
	* lto-symtab.c: Likewise.
	* opts-global.c: Likewise.
	* passes.c: Likewise.
	* ree.c: Likewise.
	* sched-deps.c: Likewise.
	* sel-sched-ir.c: Likewise.
	* sel-sched-ir.h: Likewise.
	* sel-sched.c: Likewise.
	* stor-layout.c: Likewise.
	* trans-mem.c: Likewise.
	* tree-call-cdce.c: Likewise.
	* tree-cfg.c: Likewise.
	* tree-data-ref.c: Likewise.
	* tree-diagnostic.c: Likewise.
	* tree-eh.c: Likewise.
	* tree-loop-distribution.c: Likewise.
	* tree-predcom.c: Likewise.
	* tree-ssa-loop-im.c: Likewise.
	* tree-ssa-loop-ivcanon.c: Likewise.
	* tree-ssa-loop-manip.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-ssa-loop-prefetch.c: Likewise.
	* tree-ssa-math-opts.c: Likewise.
	* tree-ssa-phiopt.c: Likewise.
	* tree-ssa-pre.c: Likewise.
	* tree-ssa-propagate.c: Likewise.
	* tree-ssa-reassoc.c: Likewise.
	* tree-ssa-sccvn.c: Likewise.
	* tree-ssa-structalias.c: Likewise.
	* tree-ssa-threadedge.c: Likewise.
	* tree-ssa-uninit.c: Likewise.
	* tree-stdarg.c: Likewise.
	* tree-switch-conversion.c: Likewise.
	* tree-vect-data-refs.c: Likewise.
	* tree-vect-loop.c: Likewise.
	* tree-vect-slp.c: Likewise.
	* tree-vect-stmts.c: Likewise.
	* value-prof.c: Likewise.
	* varasm.c: Likewise.

ada/ChangeLog
	* gcc-interface/decl.c: Replace all vec<T,A>()
	initializers with vNULL.

cp/ChangeLog
	* name-lookup.c: Replace all vec<T, A>() initializers
	with vNULL.
	* semantics.c: Likewise.

fortran/ChangeLog
	* trans-openmp.c: Replace all vec<T, A>() initializers
	with vNULL.

lto/ChangeLog
	* lto.c: Replace all vec<T, A>() initializers with vNULL.

objc/ChangeLog
	* objc-act.c: Replace all vec<T, A>() initializers with vNULL.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ada/ChangeLog
    trunk/gcc/ada/gcc-interface/decl.c
    trunk/gcc/bb-reorder.c
    trunk/gcc/cfgexpand.c
    trunk/gcc/cfgloop.c
    trunk/gcc/cfgloopanal.c
    trunk/gcc/cfgloopmanip.c
    trunk/gcc/cgraph.c
    trunk/gcc/config/c6x/c6x.c
    trunk/gcc/config/i386/i386.c
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/name-lookup.c
    trunk/gcc/cp/semantics.c
    trunk/gcc/df-core.c
    trunk/gcc/dominance.c
    trunk/gcc/dwarf2out.c
    trunk/gcc/except.c
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/trans-openmp.c
    trunk/gcc/function.c
    trunk/gcc/gcse.c
    trunk/gcc/genautomata.c
    trunk/gcc/graphds.c
    trunk/gcc/graphite-scop-detection.c
    trunk/gcc/graphite.c
    trunk/gcc/haifa-sched.c
    trunk/gcc/ifcvt.c
    trunk/gcc/ipa-cp.c
    trunk/gcc/ipa-inline-analysis.c
    trunk/gcc/ipa-inline-transform.c
    trunk/gcc/ipa-inline.c
    trunk/gcc/ipa-prop.c
    trunk/gcc/ipa-split.c
    trunk/gcc/ipa-utils.c
    trunk/gcc/ira-build.c
    trunk/gcc/lto-cgraph.c
    trunk/gcc/lto-streamer-in.c
    trunk/gcc/lto-symtab.c
    trunk/gcc/lto/ChangeLog
    trunk/gcc/lto/lto.c
    trunk/gcc/objc/ChangeLog
    trunk/gcc/objc/objc-act.c
    trunk/gcc/opts-global.c
    trunk/gcc/passes.c
    trunk/gcc/ree.c
    trunk/gcc/sched-deps.c
    trunk/gcc/sel-sched-ir.c
    trunk/gcc/sel-sched-ir.h
    trunk/gcc/sel-sched.c
    trunk/gcc/stor-layout.c
    trunk/gcc/trans-mem.c
    trunk/gcc/tree-call-cdce.c
    trunk/gcc/tree-cfg.c
    trunk/gcc/tree-data-ref.c
    trunk/gcc/tree-diagnostic.c
    trunk/gcc/tree-eh.c
    trunk/gcc/tree-loop-distribution.c
    trunk/gcc/tree-predcom.c
    trunk/gcc/tree-ssa-loop-im.c
    trunk/gcc/tree-ssa-loop-ivcanon.c
    trunk/gcc/tree-ssa-loop-manip.c
    trunk/gcc/tree-ssa-loop-niter.c
    trunk/gcc/tree-ssa-loop-prefetch.c
    trunk/gcc/tree-ssa-math-opts.c
    trunk/gcc/tree-ssa-phiopt.c
    trunk/gcc/tree-ssa-pre.c
    trunk/gcc/tree-ssa-propagate.c
    trunk/gcc/tree-ssa-reassoc.c
    trunk/gcc/tree-ssa-sccvn.c
    trunk/gcc/tree-ssa-structalias.c
    trunk/gcc/tree-ssa-threadedge.c
    trunk/gcc/tree-ssa-uninit.c
    trunk/gcc/tree-stdarg.c
    trunk/gcc/tree-switch-conversion.c
    trunk/gcc/tree-vect-data-refs.c
    trunk/gcc/tree-vect-loop.c
    trunk/gcc/tree-vect-slp.c
    trunk/gcc/tree-vect-stmts.c
    trunk/gcc/value-prof.c
    trunk/gcc/varasm.c
    trunk/gcc/vec.c
    trunk/gcc/vec.h