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riscv-gcc-1
Commit e9b4fabf by Jeff Law
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acconfig.h (HAVE_VOLATILE): Insert stub for autoconf. 

        * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
        * alocal.m4 (GCC_C_VOLATILE): New autoconf test.
        * configure.in: Use GCC_C_VOLATILE.
        * system.h (volatile): Define as empty if no volatile support is
        available.
        * genemit.c (output_add_clobbers): Removed unused variable 'i' from
        generated fucntion.

From-SVN: r19653
parent 846522cb
Showing with 120 additions and 52 deletions
gcc/ChangeLog
Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
* alocal.m4 (GCC_C_VOLATILE): New autoconf test.
* configure.in: Use GCC_C_VOLATILE.
* system.h (volatile): Define as empty if no volatile support is
available.
Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com)
* genemit.c (output_add_clobbers): Removed unused variable 'i' from
generated fucntion.
Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com>
* loop.c (get_condition): Don't combine when either compare is MODE_CC.
......
gcc/acconfig.h
......@@ -4,6 +4,9 @@
/* Define if your cpp understands the stringify operator. */
#undef HAVE_CPP_STRINGIFY
/* Define if your compiler understands volatile. */
#undef HAVE_VOLATILE
/* Define if you have a working <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
......
gcc/aclocal.m4
......@@ -143,6 +143,16 @@ fi
AC_SUBST(LN)dnl
])
dnl See whether the stage1 host compiler accepts the volatile keyword.
AC_DEFUN(GCC_C_VOLATILE,
[AC_CACHE_CHECK([for volatile], gcc_cv_c_volatile,
[AC_TRY_COMPILE(, [volatile int foo;],
gcc_cv_c_volatile=yes, gcc_cv_c_volatile=no)])
if test $gcc_cv_c_volatile = yes ; then
AC_DEFINE(HAVE_VOLATILE)
fi
])
AC_DEFUN(EGCS_PROG_INSTALL,
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
# Find a good install program. We prefer a C program (faster),
......
gcc/config.in
......@@ -5,6 +5,9 @@
/* Define if your cpp understands the stringify operator. */
#undef HAVE_CPP_STRINGIFY
/* Define if your compiler understands volatile. */
#undef HAVE_VOLATILE
/* Define if you have a working <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
......
gcc/configure
......@@ -1171,10 +1171,43 @@ else
fi
fi
echo $ac_n "checking for volatile""... $ac_c" 1>&6
echo "configure:1176: checking for volatile" >&5
if eval "test \"`echo '$''{'gcc_cv_c_volatile'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1181 "configure"
#include "confdefs.h"
int main() {
volatile int foo;
; return 0; }
EOF
if { (eval echo configure:1188: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
gcc_cv_c_volatile=yes
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -rf conftest*
gcc_cv_c_volatile=no
fi
rm -f conftest*
fi
echo "$ac_t""$gcc_cv_c_volatile" 1>&6
if test $gcc_cv_c_volatile = yes ; then
cat >> confdefs.h <<\EOF
#define HAVE_VOLATILE 1
EOF
fi
# Extract the first word of "ranlib", so it can be a program name with args.
set dummy ranlib; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1178: checking for $ac_word" >&5
echo "configure:1211: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
......@@ -1205,7 +1238,7 @@ do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:1209: checking for $ac_word" >&5
echo "configure:1242: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
......@@ -1245,7 +1278,7 @@ test -n "$YACC" || YACC="yacc"
# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
# ./install, which can be erroneously created by make from ./install.sh.
echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
echo "configure:1249: checking for a BSD compatible install" >&5
echo "configure:1282: checking for a BSD compatible install" >&5
if test -z "$INSTALL"; then
if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
......@@ -1296,7 +1329,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
echo "configure:1300: checking how to run the C preprocessor" >&5
echo "configure:1333: checking how to run the C preprocessor" >&5
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
CPP=
......@@ -1311,13 +1344,13 @@ else
# On the NeXT, cc -E runs the code through the compiler's parser,
# not just through cpp.
cat > conftest.$ac_ext <<EOF
#line 1315 "configure"
#line 1348 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1321: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:1354: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
:
......@@ -1328,13 +1361,13 @@ else
rm -rf conftest*
CPP="${CC-cc} -E -traditional-cpp"
cat > conftest.$ac_ext <<EOF
#line 1332 "configure"
#line 1365 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1338: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:1371: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
:
......@@ -1357,12 +1390,12 @@ fi
echo "$ac_t""$CPP" 1>&6
echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
echo "configure:1361: checking for ANSI C header files" >&5
echo "configure:1394: checking for ANSI C header files" >&5
if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1366 "configure"
#line 1399 "configure"
#include "confdefs.h"
#include <stdlib.h>
#include <stdarg.h>
......@@ -1370,7 +1403,7 @@ else
#include <float.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1374: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:1407: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
......@@ -1387,7 +1420,7 @@ rm -f conftest*
if test $ac_cv_header_stdc = yes; then
# SunOS 4.x string.h does not declare mem*, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 1391 "configure"
#line 1424 "configure"
#include "confdefs.h"
#include <string.h>
EOF
......@@ -1405,7 +1438,7 @@ fi
if test $ac_cv_header_stdc = yes; then
# ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
cat > conftest.$ac_ext <<EOF
#line 1409 "configure"
#line 1442 "configure"
#include "confdefs.h"
#include <stdlib.h>
EOF
......@@ -1426,7 +1459,7 @@ if test "$cross_compiling" = yes; then
:
else
cat > conftest.$ac_ext <<EOF
#line 1430 "configure"
#line 1463 "configure"
#include "confdefs.h"
#include <ctype.h>
#define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
......@@ -1437,7 +1470,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
exit (0); }
EOF
if { (eval echo configure:1441: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
if { (eval echo configure:1474: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then
:
else
......@@ -1461,12 +1494,12 @@ EOF
fi
echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
echo "configure:1465: checking whether time.h and sys/time.h may both be included" >&5
echo "configure:1498: checking whether time.h and sys/time.h may both be included" >&5
if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1470 "configure"
#line 1503 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/time.h>
......@@ -1475,7 +1508,7 @@ int main() {
struct tm *tp;
; return 0; }
EOF
if { (eval echo configure:1479: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:1512: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_header_time=yes
else
......@@ -1499,17 +1532,17 @@ for ac_hdr in limits.h stddef.h string.h strings.h stdlib.h time.h fcntl.h unist
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:1503: checking for $ac_hdr" >&5
echo "configure:1536: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1508 "configure"
#line 1541 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1513: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:1546: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
......@@ -1539,17 +1572,17 @@ done
# Check for thread headers.
ac_safe=`echo "thread.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for thread.h""... $ac_c" 1>&6
echo "configure:1543: checking for thread.h" >&5
echo "configure:1576: checking for thread.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1548 "configure"
#line 1581 "configure"
#include "confdefs.h"
#include <thread.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1553: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:1586: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
......@@ -1573,17 +1606,17 @@ fi
ac_safe=`echo "pthread.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for pthread.h""... $ac_c" 1>&6
echo "configure:1577: checking for pthread.h" >&5
echo "configure:1610: checking for pthread.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1582 "configure"
#line 1615 "configure"
#include "confdefs.h"
#include <pthread.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:1587: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
{ (eval echo configure:1620: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
rm -rf conftest*
......@@ -1609,12 +1642,12 @@ fi
# See if the system preprocessor understands the ANSI C preprocessor
# stringification operator.
echo $ac_n "checking whether cpp understands the stringify operator""... $ac_c" 1>&6
echo "configure:1613: checking whether cpp understands the stringify operator" >&5
echo "configure:1646: checking whether cpp understands the stringify operator" >&5
if eval "test \"`echo '$''{'gcc_cv_c_have_stringify'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1618 "configure"
#line 1651 "configure"
#include "confdefs.h"
int main() {
......@@ -1622,7 +1655,7 @@ int main() {
char *test = S(foo);
; return 0; }
EOF
if { (eval echo configure:1626: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:1659: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
gcc_cv_c_have_stringify=yes
else
......@@ -1645,12 +1678,12 @@ fi
# Use <inttypes.h> only if it exists,
# doesn't clash with <sys/types.h>, and declares intmax_t.
echo $ac_n "checking for inttypes.h""... $ac_c" 1>&6
echo "configure:1649: checking for inttypes.h" >&5
echo "configure:1682: checking for inttypes.h" >&5
if eval "test \"`echo '$''{'gcc_cv_header_inttypes_h'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1654 "configure"
#line 1687 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <inttypes.h>
......@@ -1658,7 +1691,7 @@ int main() {
intmax_t i = -1;
; return 0; }
EOF
if { (eval echo configure:1662: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:1695: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
cat >> confdefs.h <<EOF
#define HAVE_INTTYPES_H 1
......@@ -1681,12 +1714,12 @@ for ac_func in strtoul bsearch strerror putenv popen bcopy bzero bcmp \
sysconf isascii
do
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
echo "configure:1685: checking for $ac_func" >&5
echo "configure:1718: checking for $ac_func" >&5
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1690 "configure"
#line 1723 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func(); below. */
......@@ -1709,7 +1742,7 @@ $ac_func();
; return 0; }
EOF
if { (eval echo configure:1713: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
if { (eval echo configure:1746: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
eval "ac_cv_func_$ac_func=yes"
else
......@@ -1735,12 +1768,12 @@ done
echo $ac_n "checking for vprintf""... $ac_c" 1>&6
echo "configure:1739: checking for vprintf" >&5
echo "configure:1772: checking for vprintf" >&5
if eval "test \"`echo '$''{'ac_cv_func_vprintf'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1744 "configure"
#line 1777 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char vprintf(); below. */
......@@ -1763,7 +1796,7 @@ vprintf();
; return 0; }
EOF
if { (eval echo configure:1767: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
if { (eval echo configure:1800: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
eval "ac_cv_func_vprintf=yes"
else
......@@ -1787,12 +1820,12 @@ fi
if test "$ac_cv_func_vprintf" != yes; then
echo $ac_n "checking for _doprnt""... $ac_c" 1>&6
echo "configure:1791: checking for _doprnt" >&5
echo "configure:1824: checking for _doprnt" >&5
if eval "test \"`echo '$''{'ac_cv_func__doprnt'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1796 "configure"
#line 1829 "configure"
#include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char _doprnt(); below. */
......@@ -1815,7 +1848,7 @@ _doprnt();
; return 0; }
EOF
if { (eval echo configure:1819: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
if { (eval echo configure:1852: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest*
eval "ac_cv_func__doprnt=yes"
else
......@@ -1851,7 +1884,7 @@ fi
echo $ac_n "checking whether the printf functions support %p""... $ac_c" 1>&6
echo "configure:1855: checking whether the printf functions support %p" >&5
echo "configure:1888: checking whether the printf functions support %p" >&5
if eval "test \"`echo '$''{'gcc_cv_func_printf_ptr'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
......@@ -1859,7 +1892,7 @@ else
gcc_cv_func_printf_ptr=no
else
cat > conftest.$ac_ext <<EOF
#line 1863 "configure"
#line 1896 "configure"
#include "confdefs.h"
#include <stdio.h>
......@@ -1872,7 +1905,7 @@ main()
exit (p != q);
}
EOF
if { (eval echo configure:1876: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
if { (eval echo configure:1909: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then
gcc_cv_func_printf_ptr=yes
else
......@@ -1900,12 +1933,12 @@ for ac_func in malloc realloc calloc free bcopy bzero bcmp \
index rindex getenv atol sbrk abort atof
do
echo $ac_n "checking whether $ac_func must be declared""... $ac_c" 1>&6
echo "configure:1904: checking whether $ac_func must be declared" >&5
echo "configure:1937: checking whether $ac_func must be declared" >&5
if eval "test \"`echo '$''{'gcc_cv_decl_needed_$ac_func'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1909 "configure"
#line 1942 "configure"
#include "confdefs.h"
#include <stdio.h>
......@@ -1932,7 +1965,7 @@ int main() {
char *(*pfn) = (char *(*)) $ac_func
; return 0; }
EOF
if { (eval echo configure:1936: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:1969: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
eval "gcc_cv_decl_needed_$ac_func=no"
else
......@@ -1959,12 +1992,12 @@ done
echo $ac_n "checking for sys_siglist declaration in signal.h or unistd.h""... $ac_c" 1>&6
echo "configure:1963: checking for sys_siglist declaration in signal.h or unistd.h" >&5
echo "configure:1996: checking for sys_siglist declaration in signal.h or unistd.h" >&5
if eval "test \"`echo '$''{'ac_cv_decl_sys_siglist'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
#line 1968 "configure"
#line 2001 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <signal.h>
......@@ -1976,7 +2009,7 @@ int main() {
char *msg = *(sys_siglist + 1);
; return 0; }
EOF
if { (eval echo configure:1980: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
if { (eval echo configure:2013: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
rm -rf conftest*
ac_cv_decl_sys_siglist=yes
else
......
gcc/configure.in
......@@ -143,6 +143,7 @@ AC_PROG_AWK
AC_PROG_LEX
GCC_PROG_LN
GCC_PROG_LN_S
GCC_C_VOLATILE
AC_PROG_RANLIB
AC_PROG_YACC
EGCS_PROG_INSTALL
......
gcc/genemit.c
......@@ -620,7 +620,6 @@ output_add_clobbers ()
printf ("\n\nvoid\nadd_clobbers (pattern, insn_code_number)\n");
printf (" rtx pattern;\n int insn_code_number;\n");
printf ("{\n");
printf (" int i;\n\n");
printf (" switch (insn_code_number)\n");
printf (" {\n");
......
gcc/system.h
......@@ -210,6 +210,12 @@ extern char *getenv ();
extern char *sbrk ();
#endif
/* HAVE_VOLATILE only refers to the stage1 compiler. We also check
__STDC__ and assume gcc sets it and has volatile in stage >=2. */
#if !defined(HAVE_VOLATILE) && !defined(__STDC__) && !defined(volatile)
#define volatile
#endif
/* Redefine abort to report an internal error w/o coredump, and reporting the
location of the error in the source file. */
#ifndef abort
......
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