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Merge egcs 1.1.2 conflicts.

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This commit is contained in:
tv 1999-04-06 16:04:00 +00:00
parent d3989ee704
commit d2833781e6
11 changed files with 603 additions and 174 deletions
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36
gnu/dist/gcc/Makefile.in vendored
View File

@ -280,6 +280,8 @@ includedir = $(local_prefix)/include
assertdir = $(tooldir)/include
# where the info files go
infodir = @infodir@
# Where cpp should go besides $prefix/bin if necessary
cpp_install_dir = @cpp_install_dir@
# Extension (if any) to put in installed man-page filename.
manext = .1
objext = .o
@ -383,6 +385,10 @@ LIB1FUNCS_EXTRA =
# Assembler files should have names ending in `.asm'.
LIB2FUNCS_EXTRA =
# Handle cpp installation.
INSTALL_CPP=
UNINSTALL_CPP=
# Default float.h source to use for cross-compiler.
# This is overridden by configure.
CROSS_FLOAT_H=$(srcdir)/config/float-@float_format@.h
@ -1429,7 +1435,7 @@ integrate.o : integrate.c $(CONFIG_H) system.h $(RTL_H) $(TREE_H) flags.h \
jump.o : jump.c $(CONFIG_H) system.h $(RTL_H) flags.h hard-reg-set.h $(REGS_H) \
insn-config.h insn-flags.h $(RECOG_H) $(EXPR_H) real.h except.h \
toplev.h
toplev.h insn-attr.h
stupid.o : stupid.c $(CONFIG_H) system.h $(RTL_H) $(REGS_H) hard-reg-set.h \
flags.h toplev.h
@ -2259,7 +2265,8 @@ install: $(INSTALL_TARGET) ; @true
# Install the driver last so that the window when things are
# broken is small.
install-normal: install-common $(INSTALL_HEADERS) $(INSTALL_LIBGCC) \
install-man install-info lang.install-normal install-driver
$(INSTALL_CPP) install-man install-info lang.install-normal \
install-driver
# Do nothing while making gcc with a cross-compiler. The person who
# makes gcc for the target machine has to know how to put a complete
@ -2271,6 +2278,25 @@ install-build: force
# to finish installation of cross compiler.
install-cross-rest: install-float-h-cross
# Handle cpp installation.
install-cpp: cpp.sh
-rm -f $(bindir)/cpp
$(INSTALL_PROGRAM) -m 755 cpp.sh $(bindir)/cpp
if [ x$(cpp_install_dir) != x ]; then \
rm -f $(cpp_install_dir)/cpp; \
$(INSTALL_PROGRAM) -m 755 cpp.sh $(cpp_install_dir)/cpp; \
else true; fi
cpp.sh: $(srcdir)/cpp.in Makefile
sed -e 's%@GCC@%'$(GCC_INSTALL_NAME)'%' $(srcdir)/cpp.in > xcpp.T
mv -f xcpp.T cpp.sh
uninstall-cpp:
-rm -f $(bindir)/cpp
-if [ x$(cpp_install_dir) != x ]; then \
rm -f $(cpp_install_dir)/cpp; \
else true; fi
# Install float.h for cross compiler.
# Run this on the target machine!
install-float-h-cross: installdirs
@ -2501,7 +2527,7 @@ install-collect2: collect2 installdirs
$(INSTALL_PROGRAM) xgcc$(exeext) $(libsubdir)/gcc$(exeext)
# Cancel installation by deleting the installed files.
uninstall: lang.uninstall
uninstall: lang.uninstall $(UNINSTALL_CPP)
-rm -rf $(libsubdir)
-rm -rf $(bindir)/$(GCC_INSTALL_NAME)$(exeext)
-rm -rf $(bindir)/$(GCC_CROSS_NAME)$(exeext)
@ -2746,9 +2772,11 @@ compare compare3 compare4 compare-lean compare3-lean compare4-lean: force
for dir in tmp-foo $(SUBDIRS); do \
if [ "`echo $$dir/*$(objext)`" != "$$dir/*$(objext)" ] ; then \
for file in $$dir/*$(objext); do \
if [ $$file != objc/NXConstStr.o -a $$file != objc/Object.o -a $$file != objc/Protocol.o -a $$file != objc/linking.o ] ; then \
tail +16c ./$$file > tmp-foo1; \
tail +16c stage$$stage/$$file > tmp-foo2 \
&& (cmp tmp-foo1 tmp-foo2 > /dev/null 2>&1 || echo $$file differs >> .bad_compare) || true; \
else true; fi; \
done; \
fi; \
done
@ -2779,7 +2807,9 @@ gnucompare gnucompare3 gnucompare4 gnucompare-lean gnucompare3-lean gnucompare4-
for dir in tmp-foo $(SUBDIRS); do \
if [ "`echo $$dir/*$(objext)`" != "$$dir/*$(objext)" ] ; then \
for file in $$dir/*$(objext); do \
if [ $$file != objc/NXConstStr.o -a $$file != objc/Object.o -a $$file != objc/Protocol.o -a $$file != objc/linking.o ] ; then \
(cmp --ignore-initial=16 $$file stage$$stage/$$file > /dev/null 2>&1 || echo $$file differs >> .bad_compare) || true; \
else true; fi; \
done; \
fi; \
done

6
gnu/dist/gcc/c-common.c vendored
View File

@ -2376,6 +2376,12 @@ shorten_compare (op0_ptr, op1_ptr, restype_ptr, rescode_ptr)
type = signed_or_unsigned_type (unsignedp0, TREE_TYPE (primop0));
/* If TYPE is an enumeration, then we need to get its min/max
values from it's underlying integral type, not the enumerated
type itself. */
if (TREE_CODE (type) == ENUMERAL_TYPE)
type = type_for_size (TYPE_PRECISION (type), unsignedp0);
maxval = TYPE_MAX_VALUE (type);
minval = TYPE_MIN_VALUE (type);

24
gnu/dist/gcc/config/alpha/alpha.h vendored
View File

@ -608,18 +608,20 @@ extern void override_options ();
/* Value is 1 if hard register REGNO can hold a value of machine-mode MODE.
On Alpha, the integer registers can hold any mode. The floating-point
registers can hold 32-bit and 64-bit integers as well, but not 16-bit
or 8-bit values. If we only allowed the larger integers into FP registers,
we'd have to say that QImode and SImode aren't tiable, which is a
pain. So say all registers can hold everything and see how that works. */
or 8-bit values. */
#define HARD_REGNO_MODE_OK(REGNO, MODE) 1
#define HARD_REGNO_MODE_OK(REGNO, MODE) \
((REGNO) < 32 || ((MODE) != QImode && (MODE) != HImode))
/* Value is 1 if it is a good idea to tie two pseudo registers
when one has mode MODE1 and one has mode MODE2.
If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2,
for any hard reg, then this must be 0 for correct output. */
#define MODES_TIEABLE_P(MODE1, MODE2) 1
#define MODES_TIEABLE_P(MODE1, MODE2) \
((MODE1) == QImode || (MODE1) == HImode \
? (MODE2) == QImode || (MODE2) == HImode \
: 1)
/* Specify the registers used for certain standard purposes.
The values of these macros are register numbers. */
@ -1497,6 +1499,18 @@ extern void alpha_init_expanders ();
#define LEGITIMIZE_RELOAD_ADDRESS(X,MODE,OPNUM,TYPE,IND_LEVELS,WIN) \
do { \
/* We must recognize output that we have already generated ourselves. */ \
if (GET_CODE (X) == PLUS \
&& GET_CODE (XEXP (X, 0)) == PLUS \
&& GET_CODE (XEXP (XEXP (X, 0), 0)) == REG \
&& GET_CODE (XEXP (XEXP (X, 0), 1)) == CONST_INT \
&& GET_CODE (XEXP (X, 1)) == CONST_INT) \
{ \
push_reload (XEXP (X, 0), NULL_RTX, &XEXP (X, 0), NULL_PTR, \
BASE_REG_CLASS, GET_MODE (X), VOIDmode, 0, 0, \
OPNUM, TYPE); \
goto WIN; \
} \
if (GET_CODE (X) == PLUS \
&& GET_CODE (XEXP (X, 0)) == REG \
&& REGNO (XEXP (X, 0)) < FIRST_PSEUDO_REGISTER \

390
gnu/dist/gcc/configure vendored
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File diff suppressed because it is too large Load Diff

97
gnu/dist/gcc/configure.in vendored
View File

@ -201,10 +201,12 @@ AC_CACHE_VAL(gcc_cv_header_inttypes_h,
[#include <sys/types.h>
#include <inttypes.h>],
[intmax_t i = -1;],
[AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H)
gcc_cv_header_inttypes_h=yes],
[gcc_cv_header_inttypes_h=yes],
gcc_cv_header_inttypes_h=no)])
AC_MSG_RESULT($gcc_cv_header_inttypes_h)
if test $gcc_cv_header_inttypes_h = yes; then
AC_DEFINE(HAVE_INTTYPES_H)
fi
AC_CHECK_FUNCS(strtoul bsearch strerror putenv popen bcopy bzero bcmp \
index rindex strchr strrchr kill getrlimit setrlimit atoll atoq \
@ -240,6 +242,7 @@ host_xm_defines=
host_xmake_file=
host_truncate_target=
host_exeext=
cpp_install_dir=
# Decode the host machine, then the target machine.
# For the host machine, we save the xm_file variable as host_xm_file;
@ -326,11 +329,23 @@ for machine in $build $host $target; do
tm_file=${cpu_type}/${cpu_type}.h
xm_file=${cpu_type}/xm-${cpu_type}.h
# Set the default macros to define for GNU/Linux systems.
# Common parts for linux-gnu and openbsd systems
case $machine in
*-*-linux-gnu*)
xm_defines="HAVE_ATEXIT POSIX BSTRING"
;;
*-*-openbsd*)
tm_file=${cpu_type}/openbsd.h
# On OpenBSD systems, the headers are okay
fixincludes=Makefile.in
tmake_file="t-libc-ok t-openbsd"
# avoid surprises, always provide an xm-openbsd file
xm_file=${cpu_type}/xm-openbsd.h
if test x$enable_threads = xyes; then
thread_file='posix'
tmake_file="${tmake_file} t-openbsd-thread"
fi
;;
esac
case $machine in
@ -412,6 +427,12 @@ for machine in $build $host $target; do
gas=yes gnu_ld=yes
;;
alpha*-*-openbsd*)
# default x-alpha is only appropriate for dec-osf.
target_cpu_default="MASK_GAS"
xmake_file=none
;;
alpha*-dec-osf*)
if [[ x$stabs = xyes ]]
then
@ -568,6 +589,10 @@ for machine in $build $host $target; do
h8300-*-*)
float_format=i32
;;
hppa*-*-openbsd*)
target_cpu_default="MASK_SNAKE"
tmake_file=pa/t-openbsd
;;
hppa1.1-*-pro*)
tm_file="pa/pa-pro.h ${tm_file} pa/pa-pro-end.h libgloss.h"
xm_file=pa/xm-papro.h
@ -683,6 +708,7 @@ for machine in $build $host $target; do
tm_file="${tm_file} pa/pa-hpux.h pa/pa-hpux10.h"
xm_file=pa/xm-pahpux.h
xmake_file=pa/x-pa-hpux
tmake_file=pa/t-pa
if [[ x$gas = xyes ]]
then
tm_file="${tm_file} pa/pa-gas.h"
@ -851,6 +877,7 @@ for machine in $build $host $target; do
tm_file="i386/i386.h i386/att.h linux.h i386/freebsd-elf.h i386/perform.h"
# On FreeBSD, the headers are already ok, except for math.h.
fixincludes=fixinc.wrap
extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
tmake_file=i386/t-freebsd
gas=yes
gnu_ld=yes
@ -876,6 +903,12 @@ for machine in $build $host $target; do
fixincludes=fixinc.wrap
tmake_file=t-netbsd
;;
i[[34567]]86-*-openbsd*)
# Remove when the math emulator is fixed
target_cpu_default="MASK_NO_FANCY_MATH_387"
# we need collect2 until our bug is fixed...
use_collect2=yes
;;
i[[34567]]86-*-coff*)
tm_file=i386/i386-coff.h
tmake_file=i386/t-i386bare
@ -951,6 +984,7 @@ for machine in $build $host $target; do
fi
;;
i[[34567]]86-*-gnu*)
float_format=i386
;;
i[[34567]]86-go32-msdos | i[[34567]]86-*-go32*)
xm_file=i386/xm-go32.h
@ -1031,7 +1065,7 @@ for machine in $build $host $target; do
else
tmake_file=i386/t-sco5
fi
extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
extra_parts="crti.o crtbegin.o crtend.o crtbeginS.o crtendS.o"
;;
i[[34567]]86-*-sco3.2v4*) # 80386 running SCO 3.2v4 system
xm_file="${xm_file} i386/xm-sco.h"
@ -1100,7 +1134,7 @@ for machine in $build $host $target; do
tmake_file=i386/t-crtpic
xmake_file=x-svr4
extra_parts="crtbegin.o crtend.o"
fixincludes=Makefile.in # The headers are just fine, thank you.
fixincludes=fixinc.svr4
;;
i[[34567]]86-*-sysv4*) # Intel 80386's running system V.4
xm_file="xm-siglist.h xm-alloca.h ${xm_file}"
@ -1644,6 +1678,11 @@ for machine in $build $host $target; do
tmake_file=t-netbsd
float_format=m68k
;;
m68k*-*-openbsd*)
float_format=m68k
# we need collect2 until our bug is fixed...
use_collect2=yes
;;
m68k-*-sysv3*) # Motorola m68k's running system V.3
xm_file="xm-alloca.h ${xm_file}"
xm_defines=USG
@ -1767,6 +1806,9 @@ for machine in $build $host $target; do
tmake_file=m88k/t-luna
fi
;;
m88k-*-openbsd*)
tmake_file="${tmake_file} m88k/t-luna-gas"
;;
m88k-*-sysv3*)
tm_file=m88k/sysv3.h
extra_parts="crtbegin.o crtend.o"
@ -1964,6 +2006,16 @@ for machine in $build $host $target; do
fixincludes=fixinc.wrap
tmake_file=t-netbsd
;;
mips*el-*-openbsd*) # mips little endian
target_cpu_default="MASK_GAS|MASK_ABICALLS"
tm_file=mips/openbsd.h
xmake_file=none
;;
mips*-*-openbsd*) # mips big endian
target_cpu_default="MASK_GAS|MASK_ABICALLS"
tm_file=mips/openbsd-be.h
xmake_file=none
;;
mips-sony-bsd* | mips-sony-newsos*) # Sony NEWS 3600 or risc/news.
tm_file="mips/news4.h ${tm_file}"
if [[ x$stabs = xyes ]]; then
@ -2300,6 +2352,9 @@ for machine in $build $host $target; do
;;
pdp11-*-*)
;;
ns32k-*-openbsd*)
# Nothing special
;;
pyramid-*-*)
cpu_type=pyr
xmake_file=pyr/x-pyr
@ -2312,6 +2367,13 @@ for machine in $build $host $target; do
xmake_file=romp/x-mach
use_collect2=yes
;;
romp-*-openbsd*)
# Nothing special
;;
powerpc-*-openbsd*)
tmake_file="${tmake_file} rs6000/t-rs6000 rs6000/t-openbsd"
xmake_file=none
;;
powerpc-*-beos*)
cpu_type=rs6000
tm_file=rs6000/beos.h
@ -2604,6 +2666,10 @@ for machine in $build $host $target; do
fixincludes=fixinc.wrap
tmake_file=t-netbsd
;;
sparc-*-openbsd*)
# we need collect2 until our bug is fixed...
use_collect2=yes
;;
sparc-*-bsd*)
tm_file=sparc/bsd.h
;;
@ -2804,6 +2870,9 @@ for machine in $build $host $target; do
tmake_file=t-netbsd
float_format=vax
;;
vax-*-openbsd*)
tmake_file="${tm_file} vax/t-openbsd"
;;
vax-*-ultrix*) # vaxen running ultrix
tm_file="${tm_file} vax/ultrix.h"
use_collect2=yes
@ -2874,7 +2943,7 @@ for machine in $build $host $target; do
alpha*-*-*)
case $machine in
alphaev6*)
target_cpu_default2="MASK_CPU_EV6|MASK_BXW|MASK_CIX|MASK_MAX"
target_cpu_default2="MASK_CPU_EV6|MASK_BWX|MASK_CIX|MASK_MAX"
;;
alphapca56*)
target_cpu_default2="MASK_CPU_EV5|MASK_BWX|MASK_MAX"
@ -3076,6 +3145,19 @@ then
esac
fi
# Handle cpp installation.
if [[ x$enable_cpp != x ]]
then
tmake_file="$tmake_file t-install-cpp"
case x$enable_cpp in
xyes | xno) ;;
x/*) cpp_install_dir=$enable_cpp ;;
x.*) echo "alternate cpp script installation directory must be an absolute path" 1>&2
exit 1
;;
esac
fi
# Say what files are being used for the output code and MD file.
echo "Using \`$srcdir/config/$out_file' to output insns."
echo "Using \`$srcdir/config/$md_file' as machine description file."
@ -3669,6 +3751,8 @@ AC_SUBST(cc_set_by_configure)
AC_SUBST(stage_prefix_set_by_configure)
AC_SUBST(install)
AC_SUBST(symbolic_link)
AC_SUBST(cpp_install_dir)
AC_SUBST_FILE(target_overrides)
AC_SUBST_FILE(host_overrides)
@ -3773,4 +3857,5 @@ host_overrides='${host_overrides}'
cross_defines='${cross_defines}'
cross_overrides='${cross_overrides}'
build_overrides='${build_overrides}'
cpp_install_dir='${cpp_install_dir}'
])

6
gnu/dist/gcc/cp/decl2.c vendored
View File

@ -2946,6 +2946,12 @@ start_objects (method_type)
NULL_TREE),
NULL_TREE, 0);
#if defined(ASM_OUTPUT_CONSTRUCTOR) && defined(ASM_OUTPUT_DESTRUCTOR)
/* It can be a static function as long as collect2 does not have
to scan the object file to find its ctor/dtor routine. */
TREE_PUBLIC (current_function_decl) = 0;
#endif
store_parm_decls ();
pushlevel (0);
clear_last_expr ();

4
gnu/dist/gcc/explow.c vendored
View File

@ -1,5 +1,5 @@
/* Subroutines for manipulating rtx's in semantically interesting ways.
Copyright (C) 1987, 91, 94-97, 1998 Free Software Foundation, Inc.
Copyright (C) 1987, 91, 94-98, 1999 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -1186,7 +1186,7 @@ allocate_dynamic_stack_space (size, target, known_align)
/* Our optimization works based upon being able to perform a simple
transformation of this RTL into a (set REG REG) so make sure things
did in fact end up in a REG. */
if (!arith_operand (setjmpless_size, Pmode))
if (!register_operand (setjmpless_size, Pmode))
setjmpless_size = force_reg (Pmode, setjmpless_size);
}

152
gnu/dist/gcc/expr.c vendored
View File

@ -1,5 +1,5 @@
/* Convert tree expression to rtl instructions, for GNU compiler.
Copyright (C) 1988, 92-97, 1998 Free Software Foundation, Inc.
Copyright (C) 1988, 92-98, 1999 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -1618,6 +1618,10 @@ emit_block_move (x, y, size, align)
int align;
{
rtx retval = 0;
#ifdef TARGET_MEM_FUNCTIONS
static tree fn;
tree call_expr, arg_list;
#endif
if (GET_MODE (x) != BLKmode)
abort ();
@ -1691,13 +1695,60 @@ emit_block_move (x, y, size, align)
}
#ifdef TARGET_MEM_FUNCTIONS
retval
= emit_library_call_value (memcpy_libfunc, NULL_RTX, 0,
ptr_mode, 3, XEXP (x, 0), Pmode,
XEXP (y, 0), Pmode,
convert_to_mode (TYPE_MODE (sizetype), size,
TREE_UNSIGNED (sizetype)),
TYPE_MODE (sizetype));
/* It is incorrect to use the libcall calling conventions to call
memcpy in this context.
This could be a user call to memcpy and the user may wish to
examine the return value from memcpy.
For targets where libcalls and normal calls have different conventions
for returning pointers, we could end up generating incorrect code.
So instead of using a libcall sequence we build up a suitable
CALL_EXPR and expand the call in the normal fashion. */
if (fn == NULL_TREE)
{
tree fntype;
/* This was copied from except.c, I don't know if all this is
necessary in this context or not. */
fn = get_identifier ("memcpy");
push_obstacks_nochange ();
end_temporary_allocation ();
fntype = build_pointer_type (void_type_node);
fntype = build_function_type (fntype, NULL_TREE);
fn = build_decl (FUNCTION_DECL, fn, fntype);
DECL_EXTERNAL (fn) = 1;
TREE_PUBLIC (fn) = 1;
DECL_ARTIFICIAL (fn) = 1;
make_decl_rtl (fn, NULL_PTR, 1);
assemble_external (fn);
pop_obstacks ();
}
/* We need to make an argument list for the function call.
memcpy has three arguments, the first two are void * addresses and
the last is a size_t byte count for the copy. */
arg_list
= build_tree_list (NULL_TREE,
make_tree (build_pointer_type (void_type_node),
XEXP (x, 0)));
TREE_CHAIN (arg_list)
= build_tree_list (NULL_TREE,
make_tree (build_pointer_type (void_type_node),
XEXP (y, 0)));
TREE_CHAIN (TREE_CHAIN (arg_list))
= build_tree_list (NULL_TREE, make_tree (sizetype, size));
TREE_CHAIN (TREE_CHAIN (TREE_CHAIN (arg_list))) = NULL_TREE;
/* Now we have to build up the CALL_EXPR itself. */
call_expr = build1 (ADDR_EXPR, build_pointer_type (TREE_TYPE (fn)), fn);
call_expr = build (CALL_EXPR, TREE_TYPE (TREE_TYPE (fn)),
call_expr, arg_list, NULL_TREE);
TREE_SIDE_EFFECTS (call_expr) = 1;
retval = expand_expr (call_expr, NULL_RTX, VOIDmode, 0);
#else
emit_library_call (bcopy_libfunc, 0,
VOIDmode, 3, XEXP (y, 0), Pmode,
@ -2213,6 +2264,10 @@ clear_storage (object, size, align)
rtx size;
int align;
{
#ifdef TARGET_MEM_FUNCTIONS
static tree fn;
tree call_expr, arg_list;
#endif
rtx retval = 0;
if (GET_MODE (object) == BLKmode)
@ -2277,16 +2332,60 @@ clear_storage (object, size, align)
#ifdef TARGET_MEM_FUNCTIONS
retval
= emit_library_call_value (memset_libfunc, NULL_RTX, 0,
ptr_mode, 3,
XEXP (object, 0), Pmode,
const0_rtx,
TYPE_MODE (integer_type_node),
convert_to_mode
(TYPE_MODE (sizetype), size,
TREE_UNSIGNED (sizetype)),
TYPE_MODE (sizetype));
/* It is incorrect to use the libcall calling conventions to call
memset in this context.
This could be a user call to memset and the user may wish to
examine the return value from memset.
For targets where libcalls and normal calls have different conventions
for returning pointers, we could end up generating incorrect code.
So instead of using a libcall sequence we build up a suitable
CALL_EXPR and expand the call in the normal fashion. */
if (fn == NULL_TREE)
{
tree fntype;
/* This was copied from except.c, I don't know if all this is
necessary in this context or not. */
fn = get_identifier ("memset");
push_obstacks_nochange ();
end_temporary_allocation ();
fntype = build_pointer_type (void_type_node);
fntype = build_function_type (fntype, NULL_TREE);
fn = build_decl (FUNCTION_DECL, fn, fntype);
DECL_EXTERNAL (fn) = 1;
TREE_PUBLIC (fn) = 1;
DECL_ARTIFICIAL (fn) = 1;
make_decl_rtl (fn, NULL_PTR, 1);
assemble_external (fn);
pop_obstacks ();
}
/* We need to make an argument list for the function call.
memset has three arguments, the first is a void * addresses, the
second a integer with the initialization value, the last is a size_t
byte count for the copy. */
arg_list
= build_tree_list (NULL_TREE,
make_tree (build_pointer_type (void_type_node),
XEXP (object, 0)));
TREE_CHAIN (arg_list)
= build_tree_list (NULL_TREE,
make_tree (integer_type_node, const0_rtx));
TREE_CHAIN (TREE_CHAIN (arg_list))
= build_tree_list (NULL_TREE, make_tree (sizetype, size));
TREE_CHAIN (TREE_CHAIN (TREE_CHAIN (arg_list))) = NULL_TREE;
/* Now we have to build up the CALL_EXPR itself. */
call_expr = build1 (ADDR_EXPR, build_pointer_type (TREE_TYPE (fn)), fn);
call_expr = build (CALL_EXPR, TREE_TYPE (TREE_TYPE (fn)),
call_expr, arg_list, NULL_TREE);
TREE_SIDE_EFFECTS (call_expr) = 1;
retval = expand_expr (call_expr, NULL_RTX, VOIDmode, 0);
#else
emit_library_call (bzero_libfunc, 0,
VOIDmode, 2,
@ -3457,10 +3556,21 @@ store_expr (exp, target, want_value)
/* If value was not generated in the target, store it there.
Convert the value to TARGET's type first if nec. */
/* If TEMP and TARGET compare equal according to rtx_equal_p, but
one or both of them are volatile memory refs, we have to distinguish
two cases:
- expand_expr has used TARGET. In this case, we must not generate
another copy. This can be detected by TARGET being equal according
to == .
- expand_expr has not used TARGET - that means that the source just
happens to have the same RTX form. Since temp will have been created
by expand_expr, it will compare unequal according to == .
We must generate a copy in this case, to reach the correct number
of volatile memory references. */
if ((! rtx_equal_p (temp, target)
|| side_effects_p (temp)
|| side_effects_p (target))
|| (temp != target && (side_effects_p (temp)
|| side_effects_p (target))))
&& TREE_CODE (exp) != ERROR_MARK)
{
target = protect_from_queue (target, 1);
@ -8703,7 +8813,7 @@ expand_builtin (exp, target, subtarget, mode, ignore)
if (! can_handle_constant_p)
{
warning ("Delayed evaluation of __builtin_constant_p not supported on this target.");
warning ("Please report this as a bug to egcs-bugs@cygnus.com.");
warning ("Please report this as a bug to egcs-bugs@egcs.cygnus.com.");
return const0_rtx;
}
return gen_rtx_CONSTANT_P_RTX (TYPE_MODE (integer_type_node),

26
gnu/dist/gcc/fold-const.c vendored
View File

@ -1,5 +1,5 @@
/* Fold a constant sub-tree into a single node for C-compiler
Copyright (C) 1987, 88, 92-97, 1998 Free Software Foundation, Inc.
Copyright (C) 1987, 88, 92-98, 1999 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -2785,21 +2785,33 @@ range_binop (code, type, arg0, upper0_p, arg1, upper1_p)
return 0;
/* Set SGN[01] to -1 if ARG[01] is a lower bound, 1 for upper, and 0
for neither. Then compute our result treating them as never equal
and comparing bounds to non-bounds as above. */
for neither. In real maths, we cannot assume open ended ranges are
the same. But, this is computer arithmetic, where numbers are finite.
We can therefore make the transformation of any unbounded range with
the value Z, Z being greater than any representable number. This permits
us to treat unbounded ranges as equal. */
sgn0 = arg0 != 0 ? 0 : (upper0_p ? 1 : -1);
sgn1 = arg1 != 0 ? 0 : (upper1_p ? 1 : -1);
switch (code)
{
case EQ_EXPR: case NE_EXPR:
result = (code == NE_EXPR);
case EQ_EXPR:
result = sgn0 == sgn1;
break;
case LT_EXPR: case LE_EXPR:
case NE_EXPR:
result = sgn0 != sgn1;
break;
case LT_EXPR:
result = sgn0 < sgn1;
break;
case GT_EXPR: case GE_EXPR:
case LE_EXPR:
result = sgn0 <= sgn1;
break;
case GT_EXPR:
result = sgn0 > sgn1;
break;
case GE_EXPR:
result = sgn0 >= sgn1;
break;
default:
abort ();
}

2
gnu/dist/gcc/gcc.1 vendored
View File

@ -22,7 +22,7 @@
..
.TH GCC 1 "\*(Dt" "GNU Tools" "GNU Tools"
.SH NAME
gcc, g++ \- GNU project C and C++ Compiler (egcs-1.1.1)
gcc, g++ \- GNU project C and C++ Compiler (egcs-1.1.2)
.SH SYNOPSIS
.B gcc
.RI "[ " option " | " filename " ].\|.\|."

8
gnu/dist/gcc/reg-stack.c vendored
View File

@ -2349,6 +2349,10 @@ subst_stack_regs_pat (insn, regstack, pat)
break;
case IF_THEN_ELSE:
/* dest has to be on stack. */
if (get_hard_regnum (regstack, *dest) < FIRST_STACK_REG)
abort ();
/* This insn requires the top of stack to be the destination. */
/* If the comparison operator is an FP comparison operator,
@ -2402,9 +2406,7 @@ subst_stack_regs_pat (insn, regstack, pat)
}
}
/* Make dest the top of stack. Add dest to regstack if not present. */
if (get_hard_regnum (regstack, *dest) < FIRST_STACK_REG)
regstack->reg[++regstack->top] = REGNO (*dest);
/* Make dest the top of stack. */
SET_HARD_REG_BIT (regstack->reg_set, REGNO (*dest));
replace_reg (dest, FIRST_STACK_REG);