mirror of
https://gcc.gnu.org/git/gcc.git
synced 2024-11-24 03:14:08 +08:00
[multiple changes]
2000-08-04 Andreas Schwab <schwab@suse.de>
* cppmain.c (cb_def_pragma): Skip the first two tokens from the
token list, which are always `#' and `pragma'.
2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
* tree.c (tree_expr_nonnegative_p): Move to...
* fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
(rtl_expr_nonnegative_p): New.
* tree.h: Add prototype for rtl_expr_nonnegative_p.
* real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
CONST_DOUBLE_CHAIN: Move to...
* rtl.h: ...here. Use XCINT/XCEXP.
* Makefile.in: Remove toplev.o from OBJS. Add rule to make
libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
to VOL_FILES.
* objc/Make-lang.in (cc1obj): Link with $(BACKEND).
ch:
* Make-lang.in (cc1chill): Depend on $(BACKEND), not stamp-objlist.
* Makefile.in (cc1chill): Link with $(BACKEND). Define BACKEND,
eliminate C_OBJS (was commented out), OBJS, OBJDEPS.
cp:
* Make-lang.in (cc1plus): Depend on $(BACKEND), not stamp-objlist.
* Makefile.in: Add C_OBJS, BACKEND; delete OBJS, OBJDEPS.
(cc1plus): Link with $(BACKEND) and $(C_OBJS).
f:
* Make-lang.in (f771): Depend on $(BACKEND), not stamp-objlist.
* Makefile.in: Add BACKEND; delete OBJS, OBJDEPS.
(f771): Link with $(BACKEND).
java:
* Make-lang.in (jc1, jv-scan): Depend on $(BACKEND), not stamp-objlist.
* Makefile.in: Add BACKEND; delete OBJS, OBJDEPS.
(jc1): Link with $(BACKEND).
(jv-scan): Depend on version.o, not all of $(OBJS) or $(BACKEND).
From-SVN: r35501
This commit is contained in:
Zack Weinberg
parent
2ba7ba63a1
commit
a36556a837
@ -1,3 +1,26 @@
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2000-08-04 Andreas Schwab <schwab@suse.de>
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* cppmain.c (cb_def_pragma): Skip the first two tokens from the
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token list, which are always `#' and `pragma'.
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2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
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* tree.c (tree_expr_nonnegative_p): Move to...
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* fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
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(rtl_expr_nonnegative_p): New.
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* tree.h: Add prototype for rtl_expr_nonnegative_p.
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* real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
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CONST_DOUBLE_CHAIN: Move to...
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* rtl.h: ...here. Use XCINT/XCEXP.
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* Makefile.in: Remove toplev.o from OBJS. Add rule to make
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libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
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variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
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to VOL_FILES.
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* objc/Make-lang.in (cc1obj): Link with $(BACKEND).
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2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
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* config/c4x/c4x.md (return_indirect_internal): New.
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@ -684,8 +684,8 @@ C_AND_OBJC_OBJS = c-errors.o c-lex.o c-pragma.o c-decl.o c-typeck.o \
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C_OBJS = c-parse.o c-lang.o $(C_AND_OBJC_OBJS)
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# Language-independent object files.
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OBJS = diagnostic.o \
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toplev.o version.o tree.o print-tree.o stor-layout.o fold-const.o \
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OBJS = diagnostic.o version.o tree.o print-tree.o stor-layout.o fold-const.o \
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function.o stmt.o except.o expr.o calls.o expmed.o explow.o optabs.o real.o \
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builtins.o intl.o varasm.o rtl.o print-rtl.o rtlanal.o emit-rtl.o genrtl.o \
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dbxout.o sdbout.o dwarfout.o dwarf2out.o xcoffout.o bitmap.o alias.o gcse.o \
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@ -698,6 +698,8 @@ OBJS = diagnostic.o \
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lists.o ggc-common.o $(GGC) simplify-rtx.o ssa.o bb-reorder.o \
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sibcall.o conflict.o timevar.o ifcvt.o dce.o
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BACKEND = toplev.o libbackend.a
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# GEN files are listed separately, so they can be built before doing parallel
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# makes for cc1 or cc1plus. Otherwise sequent parallel make attempts to load
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# them before rtl.o is compiled.
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@ -720,7 +722,7 @@ STAGESTUFF = *$(objext) insn-flags.h insn-config.h insn-codes.h \
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$(EXTRA_PARTS) $(EXTRA_PROGRAMS) gcc-cross$(exeext) cc1obj$(exeext) \
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enquire$(exeext) protoize$(exeext) unprotoize$(exeext) \
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specs collect2$(exeext) $(USE_COLLECT2) underscore.c tradcpp0$(exeext) \
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gcov$(exeext) *.[0-9][0-9].* *.[si] libcpp.a libgcc libgcc.mk \
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gcov$(exeext) *.[0-9][0-9].* *.[si] libcpp.a libbackend.a libgcc libgcc.mk \
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$(LANG_STAGESTUFF)
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# Members of libgcc1.a.
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@ -894,12 +896,13 @@ libgcc1-test.o: libgcc1-test.c native xgcc$(exeext)
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# Recompile all the language-independent object files.
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# This is used only if the user explicitly asks for it.
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compilations: ${OBJS}
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compilations: $(BACKEND)
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# Create a list of the language-independent object files so the language
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# subdirectories needn't mention their names explicitly.
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stamp-objlist: $(OBJS)
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echo " $(OBJS)" | sed -e 's, \([a-z0-9]\), ../\1,g' -e 's/\.o/$(objext)/g' >stamp-objlist
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# Like libcpp.a, this archive is strictly for the host.
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libbackend.a: $(OBJS)
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-rm -rf libbackend.a
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$(AR) $(AR_FLAGS) libbackend.a $(OBJS)
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if $(RANLIB_TEST) ; then $(RANLIB) libbackend.a ; else true ; fi
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# We call this executable `xgcc' rather than `gcc'
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# to avoid confusion if the current directory is in the path
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@ -928,8 +931,9 @@ specs: xgcc$(exeext)
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gcc-cross: xgcc$(exeext)
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cp xgcc$(exeext) gcc-cross$(exeext)
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cc1$(exeext): $(P) $(OBJS) $(C_OBJS) $(LIBDEPS)
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$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(OBJS) $(C_OBJS) $(LIBS)
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cc1$(exeext): $(P) $(C_OBJS) $(BACKEND) $(LIBDEPS)
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$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o cc1$(exeext) \
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$(C_OBJS) $(BACKEND) $(LIBS)
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# Build the version of limits.h that we will install.
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xlimits.h: glimits.h limitx.h limity.h
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@ -1792,9 +1796,8 @@ LIBCPP_OBJS = cpplib.o cpplex.o cppmacro.o cppexp.o cppfiles.o \
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LIBCPP_DEPS = cpplib.h cpphash.h intl.h system.h
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# All the other archives built/used by this makefile are for targets. This
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# one is strictly for the host.
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#
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# Most of the other archives built/used by this makefile are for
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# targets. This one is strictly for the host.
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libcpp.a: $(LIBCPP_OBJS)
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-rm -rf libcpp.a
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$(AR) $(AR_FLAGS) libcpp.a $(LIBCPP_OBJS)
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@ -2753,7 +2756,7 @@ diff:
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gcc-$(oldversion) gcc-$(version) > gcc-$(oldversion)-$(version).diff
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# A list of files to be destroyed during "lean" builds.
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VOL_FILES=`echo $(OBJS) $(C_OBJS) $(LIBCPP_OBJS) *.c *.h gen*`
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VOL_FILES=`echo $(BACKEND) $(OBJS) $(C_OBJS) $(LIBCPP_OBJS) *.c *.h gen*`
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bootstrap bootstrap-lean: force
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# Only build the C compiler for stage1, because that is the only one that
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@ -1,3 +1,9 @@
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2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
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* Make-lang.in (cc1chill): Depend on $(BACKEND), not stamp-objlist.
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* Makefile.in (cc1chill): Link with $(BACKEND). Define BACKEND,
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eliminate C_OBJS (was commented out), OBJS, OBJDEPS.
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2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
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* lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
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@ -93,7 +93,7 @@ chill: $(srcdir)/ch/chill.in Makefile
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chill-cross: $(srcdir)/ch/chill.in
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touch $@
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cc1chill$(exeext): $(P) $(CHILL_SRCS) $(LIBDEPS) stamp-objlist \
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cc1chill$(exeext): $(P) $(CHILL_SRCS) $(LIBDEPS) $(BACKEND) \
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insn-config.h insn-flags.h insn-attr.h insn-codes.h \
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c-typeck.o c-aux-info.o c-common.o c-iterate.o \
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ggc-callbacks.o
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@ -193,20 +193,16 @@ FLAGS_TO_PASS = \
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# Language-specific object files for CHILL
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#C_OBJS = ../cpplib.o ../cppexp.o ../cpphash.o ../cpperror.o
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CHILL_OBJS = parse.o actions.o except.o grant.o lang.o \
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tree.o lex.o decl.o typeck.o convert.o expr.o loop.o \
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tasking.o timing.o inout.o satisfy.o ch-version.o \
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../ggc-callbacks.o
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# Language-independent object files.
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OBJS = `cat ../stamp-objlist`
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OBJDEPS = ../stamp-objlist
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BACKEND = ../toplev.o ../libbackend.a
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../cc1chill$(exeext): $(P) $(CHILL_OBJS) $(OBJDEPS) $(LIBDEPS)
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../cc1chill$(exeext): $(P) $(CHILL_OBJS) $(BACKEND) $(LIBDEPS)
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$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(CHILL_OBJS) \
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$(OBJS) $(C_OBJS) $(LIBS)
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$(BACKEND) $(LIBS)
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# This executable is used in the CHILL regression
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# test script
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@ -1,3 +1,9 @@
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2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
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* Make-lang.in (cc1plus): Depend on $(BACKEND), not stamp-objlist.
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* Makefile.in: Add C_OBJS, BACKEND; delete OBJS, OBJDEPS.
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(cc1plus): Link with $(BACKEND) and $(C_OBJS).
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2000-08-04 Mark Mitchell <mark@codesourcery.com>
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* cp-tree.h (add_method): Change prototype.
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@ -125,7 +125,7 @@ CXX_SRCS = $(srcdir)/cp/call.c $(srcdir)/cp/class.c $(srcdir)/cp/cp-tree.def \
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$(srcdir)/cp/semantics.c $(srcdir)/cp/spew.c $(srcdir)/cp/tree.c \
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$(srcdir)/cp/typeck.c $(srcdir)/cp/typeck2.c $(srcdir)/cp/xref.c
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cc1plus$(exeext): $(P) $(CXX_SRCS) $(LIBDEPS) stamp-objlist c-common.o \
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cc1plus$(exeext): $(P) $(CXX_SRCS) $(LIBDEPS) $(BACKEND) c-common.o \
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c-pragma.o c-semantics.o $(srcdir)/cp/cp-tree.h $(srcdir)/cp/cp-tree.def \
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$(srcdir)/c-common.def $(srcdir)/cp/gxx.gperf $(srcdir)/cp/cfns.gperf hash.o \
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$(srcdir)/cp/operators.def
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@ -171,6 +171,9 @@ INCLUDES = -I. -I.. -I$(srcdir) -I$(srcdir)/.. -I$(srcdir)/../config -I$(srcdir)
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#
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# Lists of files for various purposes.
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# Shared with C front end:
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C_OBJS = ../c-common.o ../c-pragma.o ../c-semantics.o
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# Language-specific object files for g++
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CXX_OBJS = call.o decl.o errfn.o expr.o pt.o typeck2.o \
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@ -179,12 +182,12 @@ CXX_OBJS = call.o decl.o errfn.o expr.o pt.o typeck2.o \
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repo.o dump.o optimize.o mangle.o @extra_cxx_objs@
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# Language-independent object files.
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OBJS = `cat ../stamp-objlist` ../c-common.o ../c-pragma.o ../c-semantics.o
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OBJDEPS = ../stamp-objlist ../c-common.o ../c-pragma.o ../c-semantics.o
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BACKEND = ../toplev.o ../libbackend.a
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compiler: ../cc1plus$(exeext)
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../cc1plus$(exeext): $(P) $(OBJDEPS) $(CXX_OBJS) $(LIBDEPS)
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$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(OBJS) $(CXX_OBJS) $(LIBS)
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../cc1plus$(exeext): $(P) $(CXX_OBJS) $(C_OBJS) $(BACKEND) $(LIBDEPS)
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$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ \
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$(CXX_OBJS) $(C_OBJS) $(BACKEND) $(LIBS)
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Makefile: $(srcdir)/Makefile.in $(srcdir)/../configure
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cd ..; $(SHELL) config.status
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@ -214,7 +214,7 @@ cb_def_pragma (pfile)
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{
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cpp_printf (pfile, &parse_out, "#pragma ");
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cpp_output_list (pfile, parse_out.outf, &pfile->token_list,
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pfile->first_directive_token);
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pfile->first_directive_token + 2);
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putc ('\n', parse_out.outf);
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}
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@ -1,3 +1,9 @@
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2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
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* Make-lang.in (f771): Depend on $(BACKEND), not stamp-objlist.
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* Makefile.in: Add BACKEND; delete OBJS, OBJDEPS.
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(f771): Link with $(BACKEND).
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2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
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* g77spec.c: Adjust type of second argument to
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@ -186,7 +186,7 @@ F77_SRCS = \
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$(srcdir)/f/where.c \
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$(srcdir)/f/where.h
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f771$(exeext): $(P) $(F77_SRCS) $(LIBDEPS) stamp-objlist
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f771$(exeext): $(P) $(F77_SRCS) $(LIBDEPS) $(BACKEND)
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touch lang-f77
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cd f; $(MAKE) $(LANG_FLAGS_TO_PASS) \
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HOST_CC="`case '$(HOST_CC)' in stage*) echo '$(HOST_CC)' | sed -e 's|stage|../stage|g';; *) echo '$(HOST_CC)';; esac`" \
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@ -200,13 +200,12 @@ F77_OBJS = \
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where.o
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# Language-independent object files.
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OBJS = `cat ../stamp-objlist`
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OBJDEPS = ../stamp-objlist
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BACKEND = ../toplev.o ../libbackend.a
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compiler: ../f771$(exeext)
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../f771$(exeext): $(P) $(F77_OBJS) $(OBJDEPS) $(LIBDEPS)
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../f771$(exeext): $(P) $(F77_OBJS) $(BACKEND) $(LIBDEPS)
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rm -f f771$(exeext)
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$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(F77_OBJS) $(OBJS) $(LIBS)
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$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(F77_OBJS) $(BACKEND) $(LIBS)
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Makefile: $(srcdir)/Makefile.in $(srcdir)/../configure
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cd ..; $(SHELL) config.status
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@ -7260,3 +7260,54 @@ multiple_of_p (type, top, bottom)
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return 0;
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}
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}
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/* Return true if `t' is known to be non-negative. */
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int
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tree_expr_nonnegative_p (t)
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tree t;
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{
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switch (TREE_CODE (t))
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{
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case INTEGER_CST:
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return tree_int_cst_sgn (t) >= 0;
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case COND_EXPR:
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return tree_expr_nonnegative_p (TREE_OPERAND (t, 1))
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&& tree_expr_nonnegative_p (TREE_OPERAND (t, 2));
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case BIND_EXPR:
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return tree_expr_nonnegative_p (TREE_OPERAND (t, 1));
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case RTL_EXPR:
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return rtl_expr_nonnegative_p (RTL_EXPR_RTL (t));
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default:
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/* We don't know sign of `t', so be safe and return false. */
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return 0;
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}
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}
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/* Return true if `r' is known to be non-negative.
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Only handles constants at the moment. */
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int
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rtl_expr_nonnegative_p (r)
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rtx r;
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{
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switch (GET_CODE (r))
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{
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case CONST_INT:
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return INTVAL (r) >= 0;
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case CONST_DOUBLE:
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if (GET_MODE (r) == VOIDmode)
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return CONST_DOUBLE_HIGH (r) >= 0;
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return 0;
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case SYMBOL_REF:
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case LABEL_REF:
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/* These are always nonnegative. */
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return 1;
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default:
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return 0;
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}
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}
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@ -1,3 +1,10 @@
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2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
|
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|
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* Make-lang.in (jc1, jv-scan): Depend on $(BACKEND), not stamp-objlist.
|
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* Makefile.in: Add BACKEND; delete OBJS, OBJDEPS.
|
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(jc1): Link with $(BACKEND).
|
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(jv-scan): Depend on version.o, not all of $(OBJS) or $(BACKEND).
|
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|
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2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
|
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|
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* jvspec.c: Adjust type of second argument to
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@ -77,7 +77,7 @@ JAVA_SRCS = $(srcdir)/java/parse.y $(srcdir)/java/class.c \
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$(srcdir)/java/check-init.c $(srcdir)/java/lex.c $(srcdir)/java/boehm.c \
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$(srcdir)/java/jcf-depend.c $(srcdir)/java/jcf-path.c
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|
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jc1$(exeext): $(P) $(JAVA_SRCS) $(LIBDEPS) stamp-objlist ggc-callbacks.o
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jc1$(exeext): $(P) $(JAVA_SRCS) $(LIBDEPS) $(BACKEND) ggc-callbacks.o
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cd java; $(MAKE) $(LANG_FLAGS_TO_PASS) $(JAVA_FLAGS_TO_PASS) ../jc1$(exeext)
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jvspec.o: $(srcdir)/java/jvspec.c system.h $(GCC_H)
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@ -138,7 +138,7 @@ $(PARSE_SCAN_C): $(srcdir)/java/parse-scan.y
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JV_SCAN_SOURCES = $(srcdir)/java/parse-scan.y $(srcdir)/java/lex.c \
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$(srcdir)/java/parse.h $(srcdir)/java/lex.h $(srcdir)/java/jv-scan.c
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jv-scan$(exeext): $(JV_SCAN_SOURCES) stamp-objlist $(LIBDEPS)
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jv-scan$(exeext): $(JV_SCAN_SOURCES) $(BACKEND) $(LIBDEPS)
|
||||
cd java && $(MAKE) $(LANG_FLAGS_TO_PASS) $(JAVA_FLAGS_TO_PASS) ../jv-scan$(exeext)
|
||||
|
||||
# This must be kept in sync with dependencies in Makefile.in.
|
||||
|
||||
@ -177,14 +177,13 @@ JAVA_OBJS = parse.o class.o decl.o expr.o constants.o lang.o typeck.o \
|
||||
JAVA_OBJS_LITE = parse-scan.o jv-scan.o
|
||||
|
||||
# Language-independent object files.
|
||||
OBJS = `cat ../stamp-objlist` ../ggc-callbacks.o
|
||||
OBJDEPS = ../stamp-objlist ../ggc-callbacks.o
|
||||
BACKEND = ../toplev.o ../ggc-callbacks.o ../libbackend.a
|
||||
|
||||
compiler: ../jc1$(exeext) ../jv-scan$(exeext)
|
||||
../jc1$(exeext): $(P) $(JAVA_OBJS) $(OBJDEPS) $(LIBDEPS)
|
||||
../jc1$(exeext): $(P) $(JAVA_OBJS) $(BACKEND) $(LIBDEPS)
|
||||
rm -f ../jc1$(exeext)
|
||||
$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(JAVA_OBJS) $(OBJS) $(LIBS)
|
||||
../jv-scan$(exeext): $(P) $(JAVA_OBJS_LITE) $(OBJDEPS) ../version.o $(LIBDEPS)
|
||||
$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(JAVA_OBJS) $(BACKEND) $(LIBS)
|
||||
../jv-scan$(exeext): $(P) $(JAVA_OBJS_LITE) ../version.o $(LIBDEPS)
|
||||
rm -f ../jv-scan$(exeext)
|
||||
$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(JAVA_OBJS_LITE) ../version.o $(LIBS)
|
||||
|
||||
|
||||
@ -59,8 +59,8 @@ OBJECTIVE-C objective-c: cc1obj$(exeext)
|
||||
# Language-specific object files for Objective C.
|
||||
OBJC_OBJS = objc-parse.o objc-act.o $(C_AND_OBJC_OBJS)
|
||||
|
||||
cc1obj$(exeext): $(P) $(OBJS) $(OBJC_OBJS) $(LIBDEPS)
|
||||
$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(OBJS) $(OBJC_OBJS) $(LIBS)
|
||||
cc1obj$(exeext): $(P) $(OBJC_OBJS) $(BACKEND) $(LIBDEPS)
|
||||
$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(OBJC_OBJS) $(BACKEND) $(LIBS)
|
||||
|
||||
# Objective C language specific files.
|
||||
|
||||
|
||||
17
gcc/real.h
17
gcc/real.h
@ -451,23 +451,6 @@ union real_extract
|
||||
HOST_WIDE_INT i[sizeof (REAL_VALUE_TYPE) / sizeof (HOST_WIDE_INT)];
|
||||
};
|
||||
|
||||
/* For a CONST_DOUBLE:
|
||||
The usual two ints that hold the value.
|
||||
For a DImode, that is all there are;
|
||||
and CONST_DOUBLE_LOW is the low-order word and ..._HIGH the high-order.
|
||||
For a float, the number of ints varies,
|
||||
and CONST_DOUBLE_LOW is the one that should come first *in memory*.
|
||||
So use &CONST_DOUBLE_LOW(r) as the address of an array of ints. */
|
||||
#define CONST_DOUBLE_LOW(r) XWINT (r, 2)
|
||||
#define CONST_DOUBLE_HIGH(r) XWINT (r, 3)
|
||||
|
||||
/* Link for chain of all CONST_DOUBLEs in use in current function. */
|
||||
#define CONST_DOUBLE_CHAIN(r) X0EXP (r, 1)
|
||||
/* The MEM which represents this CONST_DOUBLE's value in memory,
|
||||
or const0_rtx if no MEM has been made for it yet,
|
||||
or cc0_rtx if it is not on the chain. */
|
||||
#define CONST_DOUBLE_MEM(r) XEXP (r, 0)
|
||||
|
||||
/* Given a CONST_DOUBLE in FROM, store into TO the value it represents. */
|
||||
/* Function to return a real value (not a tree node)
|
||||
from a given integer constant. */
|
||||
|
||||
17
gcc/rtl.h
17
gcc/rtl.h
@ -753,6 +753,23 @@ extern const char * const note_insn_name[NOTE_INSN_MAX - NOTE_INSN_BIAS];
|
||||
|
||||
#define INTVAL(RTX) XCWINT(RTX, 0, CONST_INT)
|
||||
|
||||
/* For a CONST_DOUBLE:
|
||||
The usual two ints that hold the value.
|
||||
For a DImode, that is all there are;
|
||||
and CONST_DOUBLE_LOW is the low-order word and ..._HIGH the high-order.
|
||||
For a float, the number of ints varies,
|
||||
and CONST_DOUBLE_LOW is the one that should come first *in memory*.
|
||||
So use &CONST_DOUBLE_LOW(r) as the address of an array of ints. */
|
||||
#define CONST_DOUBLE_LOW(r) XCWINT (r, 2, CONST_DOUBLE)
|
||||
#define CONST_DOUBLE_HIGH(r) XCWINT (r, 3, CONST_DOUBLE)
|
||||
|
||||
/* Link for chain of all CONST_DOUBLEs in use in current function. */
|
||||
#define CONST_DOUBLE_CHAIN(r) XCEXP (r, 1, CONST_DOUBLE)
|
||||
/* The MEM which represents this CONST_DOUBLE's value in memory,
|
||||
or const0_rtx if no MEM has been made for it yet,
|
||||
or cc0_rtx if it is not on the chain. */
|
||||
#define CONST_DOUBLE_MEM(r) XCEXP (r, 0, CONST_DOUBLE)
|
||||
|
||||
/* For a SUBREG rtx, SUBREG_REG extracts the value we want a subreg of.
|
||||
SUBREG_WORD extracts the word-number. */
|
||||
|
||||
|
||||
19
gcc/tree.c
19
gcc/tree.c
@ -4361,25 +4361,6 @@ tree_int_cst_sgn (t)
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Return true if `t' is known to be non-negative. */
|
||||
|
||||
int
|
||||
tree_expr_nonnegative_p (t)
|
||||
tree t;
|
||||
{
|
||||
switch (TREE_CODE (t))
|
||||
{
|
||||
case INTEGER_CST:
|
||||
return tree_int_cst_sgn (t) >= 0;
|
||||
case COND_EXPR:
|
||||
return tree_expr_nonnegative_p (TREE_OPERAND (t, 1))
|
||||
&& tree_expr_nonnegative_p (TREE_OPERAND (t, 2));
|
||||
default:
|
||||
/* We don't know sign of `t', so be safe and return false. */
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* Compare two constructor-element-type constants. Return 1 if the lists
|
||||
are known to be equal; otherwise return 0. */
|
||||
|
||||
|
||||
@ -1925,7 +1925,8 @@ extern int host_integerp PARAMS ((tree, int));
|
||||
extern HOST_WIDE_INT tree_low_cst PARAMS ((tree, int));
|
||||
extern int tree_int_cst_msb PARAMS ((tree));
|
||||
extern int tree_int_cst_sgn PARAMS ((tree));
|
||||
extern int tree_expr_nonnegative_p PARAMS ((tree));
|
||||
extern int tree_expr_nonnegative_p PARAMS ((tree));
|
||||
extern int rtl_expr_nonnegative_p PARAMS ((struct rtx_def *));
|
||||
extern int index_type_equal PARAMS ((tree, tree));
|
||||
extern tree get_inner_array_type PARAMS ((tree));
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user