diff options
| -rw-r--r-- | gcc/ChangeLog | 14 | ||||
| -rw-r--r-- | gcc/acconfig.h | 3 | ||||
| -rw-r--r-- | gcc/config.in | 3 | ||||
| -rwxr-xr-x | gcc/configure | 182 | ||||
| -rw-r--r-- | gcc/configure.in | 6 | ||||
| -rw-r--r-- | gcc/flow.c | 4 | ||||
| -rw-r--r-- | gcc/regclass.c | 7 | ||||
| -rw-r--r-- | gcc/regs.h | 30 |
8 files changed, 153 insertions, 96 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 981db4f..58f3c35 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,17 @@ +Wed May 13 12:54:19 1998 Michael Meissner <meissner@cygnus.com> + Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de> + + * acconfig.h (ENABLE_CHECKING): Undefine. + * configure.in (--enable-checking): New option. + + * flow.c (reg_n_max): New global variable. + * regclass.c (allocate_reg_info): Keep reg_n_max up to date. + Delete regno_max variable. + * regs.h (REG_N_CHECK): Define. + (REG_N_REFS, REG_N_SETS, REG_N_DEATHS): Use REG_N_CHECK. + (REG_N_CHANGES_SIZE, REG_N_CALLS_CROSSED, REG_LIVE_LENGTH): Likewise. + (REGNO_FIRST_UID, REGNO_LAST_UID, REGNO_LAST_NOTE_UID): Likewise. + Wed May 13 08:52:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk> * reload1.c (merge_assigned_reloads): Can merge diff --git a/gcc/acconfig.h b/gcc/acconfig.h index 1cd06fb..914fd43 100644 --- a/gcc/acconfig.h +++ b/gcc/acconfig.h @@ -1,6 +1,9 @@ /* Define to "%p" if printf supports it, else machmode.h will define it. */ #undef HOST_PTR_PRINTF +/* Define if you want expensive run-time checks. */ +#undef ENABLE_CHECKING + /* Define if your cpp understands the stringify operator. */ #undef HAVE_CPP_STRINGIFY diff --git a/gcc/config.in b/gcc/config.in index c1cf199..9283e71 100644 --- a/gcc/config.in +++ b/gcc/config.in @@ -2,6 +2,9 @@ /* Define to "%p" if printf supports it, else machmode.h will define it. */ #undef HOST_PTR_PRINTF +/* Define if you want expensive run-time checks. */ +#undef ENABLE_CHECKING + /* Define if your cpp understands the stringify operator. */ #undef HAVE_CPP_STRINGIFY diff --git a/gcc/configure b/gcc/configure index 3766138..426d1e5 100755 --- a/gcc/configure +++ b/gcc/configure @@ -1,7 +1,7 @@ #! /bin/sh # Guess values for system-dependent variables and create Makefiles. -# Generated automatically using autoconf version 2.12 +# Generated automatically using autoconf version 2.12.1 # Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc. # # This configure script is free software; the Free Software Foundation @@ -25,6 +25,8 @@ ac_help="$ac_help --with-gxx-include-dir=DIR specifies directory to put g++ header files." ac_help="$ac_help + --enable-checking enable expensive run-time checks." +ac_help="$ac_help --enable-c-cpplib Use cpplib for C." ac_help="$ac_help --enable-haifa Use the experimental scheduler. @@ -73,6 +75,7 @@ mandir='${prefix}/man' # Initialize some other variables. subdirs= MFLAGS= MAKEFLAGS= +SHELL=${CONFIG_SHELL-/bin/sh} # Maximum number of lines to put in a shell here document. ac_max_here_lines=12 @@ -356,7 +359,7 @@ EOF verbose=yes ;; -version | --version | --versio | --versi | --vers) - echo "configure generated by autoconf version 2.12" + echo "configure generated by autoconf version 2.12.1" exit 0 ;; -with-* | --with-*) @@ -621,6 +624,18 @@ if [ x$gxx_include_dir = x ]; then gxx_include_dir='${prefix}/include/g++' fi +# Enable expensive internal checks +# Check whether --enable-checking or --disable-checking was given. +if test "${enable_checking+set}" = set; then + enableval="$enable_checking" + cat >> confdefs.h <<\EOF +#define ENABLE_CHECKING 1 +EOF + + +fi + + # Enable use of cpplib for C. # Check whether --enable-c-cpplib or --disable-c-cpplib was given. if test "${enable_c_cpplib+set}" = set; then @@ -729,33 +744,33 @@ esac # Make sure we can run config.sub. -if $ac_config_sub sun4 >/dev/null 2>&1; then : +if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then : else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; } fi echo $ac_n "checking host system type""... $ac_c" 1>&6 -echo "configure:738: checking host system type" >&5 +echo "configure:753: checking host system type" >&5 host_alias=$host case "$host_alias" in NONE) case $nonopt in NONE) - if host_alias=`$ac_config_guess`; then : + if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then : else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; } fi ;; *) host_alias=$nonopt ;; esac ;; esac -host=`$ac_config_sub $host_alias` +host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias` host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` echo "$ac_t""$host" 1>&6 echo $ac_n "checking target system type""... $ac_c" 1>&6 -echo "configure:759: checking target system type" >&5 +echo "configure:774: checking target system type" >&5 target_alias=$target case "$target_alias" in @@ -766,14 +781,14 @@ NONE) esac ;; esac -target=`$ac_config_sub $target_alias` +target=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $target_alias` target_cpu=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` target_vendor=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` echo "$ac_t""$target" 1>&6 echo $ac_n "checking build system type""... $ac_c" 1>&6 -echo "configure:777: checking build system type" >&5 +echo "configure:792: checking build system type" >&5 build_alias=$build case "$build_alias" in @@ -784,7 +799,7 @@ NONE) esac ;; esac -build=`$ac_config_sub $build_alias` +build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias` build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` @@ -800,7 +815,7 @@ test "$host_alias" != "$target_alias" && # Extract the first word of "gcc", so it can be a program name with args. set dummy gcc; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:804: checking for $ac_word" >&5 +echo "configure:819: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -829,7 +844,7 @@ if test -z "$CC"; then # Extract the first word of "cc", so it can be a program name with args. set dummy cc; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:833: checking for $ac_word" >&5 +echo "configure:848: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -877,7 +892,7 @@ fi fi echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6 -echo "configure:881: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5 +echo "configure:896: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5 ac_ext=c # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options. @@ -887,11 +902,11 @@ ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS cross_compiling=$ac_cv_prog_cc_cross cat > conftest.$ac_ext <<EOF -#line 891 "configure" +#line 906 "configure" #include "confdefs.h" main(){return(0);} EOF -if { (eval echo configure:895: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then +if { (eval echo configure:910: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then ac_cv_prog_cc_works=yes # If we can't run a trivial program, we are probably using a cross compiler. if (./conftest; exit) 2>/dev/null; then @@ -911,12 +926,12 @@ if test $ac_cv_prog_cc_works = no; then { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; } fi echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6 -echo "configure:915: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5 +echo "configure:930: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6 cross_compiling=$ac_cv_prog_cc_cross echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6 -echo "configure:920: checking whether we are using GNU C" >&5 +echo "configure:935: checking whether we are using GNU C" >&5 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -925,7 +940,7 @@ else yes; #endif EOF -if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:929: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then +if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:944: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then ac_cv_prog_gcc=yes else ac_cv_prog_gcc=no @@ -940,7 +955,7 @@ if test $ac_cv_prog_gcc = yes; then ac_save_CFLAGS="$CFLAGS" CFLAGS= echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6 -echo "configure:944: checking whether ${CC-cc} accepts -g" >&5 +echo "configure:959: checking whether ${CC-cc} accepts -g" >&5 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -968,7 +983,7 @@ else fi echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6 -echo "configure:972: checking whether ${MAKE-make} sets \${MAKE}" >&5 +echo "configure:987: checking whether ${MAKE-make} sets \${MAKE}" >&5 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'` if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 @@ -1001,7 +1016,7 @@ do # Extract the first word of "$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:1005: checking for $ac_word" >&5 +echo "configure:1020: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_AWK'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1032,7 +1047,7 @@ done # Extract the first word of "flex", so it can be a program name with args. set dummy flex; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:1036: checking for $ac_word" >&5 +echo "configure:1051: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_LEX'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1065,7 +1080,7 @@ then *) ac_lib=l ;; esac echo $ac_n "checking for yywrap in -l$ac_lib""... $ac_c" 1>&6 -echo "configure:1069: checking for yywrap in -l$ac_lib" >&5 +echo "configure:1084: checking for yywrap in -l$ac_lib" >&5 ac_lib_var=`echo $ac_lib'_'yywrap | sed 'y%./+-%__p_%'` if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 @@ -1073,7 +1088,7 @@ else ac_save_LIBS="$LIBS" LIBS="-l$ac_lib $LIBS" cat > conftest.$ac_ext <<EOF -#line 1077 "configure" +#line 1092 "configure" #include "confdefs.h" /* Override any gcc2 internal prototype to avoid an error. */ /* We use char because int might match the return type of a gcc2 @@ -1084,7 +1099,7 @@ int main() { yywrap() ; return 0; } EOF -if { (eval echo configure:1088: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then +if { (eval echo configure:1103: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then rm -rf conftest* eval "ac_cv_lib_$ac_lib_var=yes" else @@ -1107,7 +1122,7 @@ fi fi echo $ac_n "checking whether ln works""... $ac_c" 1>&6 -echo "configure:1111: checking whether ln works" >&5 +echo "configure:1126: checking whether ln works" >&5 if eval "test \"`echo '$''{'gcc_cv_prog_LN'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1139,7 +1154,7 @@ else fi echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6 -echo "configure:1143: checking whether ln -s works" >&5 +echo "configure:1158: checking whether ln -s works" >&5 if eval "test \"`echo '$''{'gcc_cv_prog_LN_S'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1171,19 +1186,19 @@ else fi echo $ac_n "checking for volatile""... $ac_c" 1>&6 -echo "configure:1175: checking for volatile" >&5 +echo "configure:1190: checking for volatile" >&5 if eval "test \"`echo '$''{'gcc_cv_c_volatile'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1180 "configure" +#line 1195 "configure" #include "confdefs.h" int main() { volatile int foo; ; return 0; } EOF -if { (eval echo configure:1187: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:1202: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* gcc_cv_c_volatile=yes else @@ -1206,7 +1221,7 @@ 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:1210: checking for $ac_word" >&5 +echo "configure:1225: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1237,7 +1252,7 @@ do # Extract the first word of "$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:1241: checking for $ac_word" >&5 +echo "configure:1256: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1277,7 +1292,7 @@ test -n "$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""... $ac_c" 1>&6 -echo "configure:1281: checking for a BSD compatible install" >&5 +echo "configure:1296: checking for a BSD compatible install" >&5 if test -z "$INSTALL"; then if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 @@ -1328,7 +1343,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6 -echo "configure:1332: checking how to run the C preprocessor" >&5 +echo "configure:1347: checking how to run the C preprocessor" >&5 # On Suns, sometimes $CPP names a directory. if test -n "$CPP" && test -d "$CPP"; then CPP= @@ -1343,13 +1358,13 @@ else # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. cat > conftest.$ac_ext <<EOF -#line 1347 "configure" +#line 1362 "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:1353: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1368: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then : @@ -1360,13 +1375,13 @@ else rm -rf conftest* CPP="${CC-cc} -E -traditional-cpp" cat > conftest.$ac_ext <<EOF -#line 1364 "configure" +#line 1379 "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:1370: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1385: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then : @@ -1389,12 +1404,12 @@ fi echo "$ac_t""$CPP" 1>&6 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6 -echo "configure:1393: checking for ANSI C header files" >&5 +echo "configure:1408: checking for ANSI C header files" >&5 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1398 "configure" +#line 1413 "configure" #include "confdefs.h" #include <stdlib.h> #include <stdarg.h> @@ -1402,7 +1417,7 @@ else #include <float.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1406: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1421: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* @@ -1419,7 +1434,7 @@ 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 1423 "configure" +#line 1438 "configure" #include "confdefs.h" #include <string.h> EOF @@ -1437,7 +1452,7 @@ 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 1441 "configure" +#line 1456 "configure" #include "confdefs.h" #include <stdlib.h> EOF @@ -1458,7 +1473,7 @@ if test "$cross_compiling" = yes; then : else cat > conftest.$ac_ext <<EOF -#line 1462 "configure" +#line 1477 "configure" #include "confdefs.h" #include <ctype.h> #define ISLOWER(c) ('a' <= (c) && (c) <= 'z') @@ -1469,7 +1484,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2); exit (0); } EOF -if { (eval echo configure:1473: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null +if { (eval echo configure:1488: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null then : else @@ -1493,12 +1508,12 @@ EOF fi echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6 -echo "configure:1497: checking whether time.h and sys/time.h may both be included" >&5 +echo "configure:1512: checking whether time.h and sys/time.h may both be included" >&5 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1502 "configure" +#line 1517 "configure" #include "confdefs.h" #include <sys/types.h> #include <sys/time.h> @@ -1507,7 +1522,7 @@ int main() { struct tm *tp; ; return 0; } EOF -if { (eval echo configure:1511: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:1526: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ac_cv_header_time=yes else @@ -1531,17 +1546,17 @@ for ac_hdr in limits.h stddef.h string.h strings.h stdlib.h time.h fcntl.h unist do ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'` echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6 -echo "configure:1535: checking for $ac_hdr" >&5 +echo "configure:1550: 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 1540 "configure" +#line 1555 "configure" #include "confdefs.h" #include <$ac_hdr> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1545: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1560: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* @@ -1571,17 +1586,17 @@ done # Check for thread headers. ac_safe=`echo "thread.h" | sed 'y%./+-%__p_%'` echo $ac_n "checking for thread.h""... $ac_c" 1>&6 -echo "configure:1575: checking for thread.h" >&5 +echo "configure:1590: checking for thread.h" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1580 "configure" +#line 1595 "configure" #include "confdefs.h" #include <thread.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1585: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1600: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* @@ -1605,17 +1620,17 @@ fi ac_safe=`echo "pthread.h" | sed 'y%./+-%__p_%'` echo $ac_n "checking for pthread.h""... $ac_c" 1>&6 -echo "configure:1609: checking for pthread.h" >&5 +echo "configure:1624: checking for pthread.h" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1614 "configure" +#line 1629 "configure" #include "confdefs.h" #include <pthread.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:1619: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:1634: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* @@ -1641,12 +1656,12 @@ fi # See if the system preprocessor understands the ANSI C preprocessor # stringification operator. echo $ac_n "checking whether cpp understands the stringify operator""... $ac_c" 1>&6 -echo "configure:1645: checking whether cpp understands the stringify operator" >&5 +echo "configure:1660: checking whether cpp understands the stringify operator" >&5 if eval "test \"`echo '$''{'gcc_cv_c_have_stringify'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1650 "configure" +#line 1665 "configure" #include "confdefs.h" int main() { @@ -1654,7 +1669,7 @@ int main() { char *test = S(foo); ; return 0; } EOF -if { (eval echo configure:1658: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:1673: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* gcc_cv_c_have_stringify=yes else @@ -1677,12 +1692,12 @@ 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""... $ac_c" 1>&6 -echo "configure:1681: checking for inttypes.h" >&5 +echo "configure:1696: checking for inttypes.h" >&5 if eval "test \"`echo '$''{'gcc_cv_header_inttypes_h'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1686 "configure" +#line 1701 "configure" #include "confdefs.h" #include <sys/types.h> #include <inttypes.h> @@ -1690,7 +1705,7 @@ int main() { intmax_t i = -1; ; return 0; } EOF -if { (eval echo configure:1694: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:1709: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* cat >> confdefs.h <<EOF #define HAVE_INTTYPES_H 1 @@ -1713,12 +1728,12 @@ 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:1717: checking for $ac_func" >&5 +echo "configure:1732: 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 1722 "configure" +#line 1737 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */ @@ -1741,7 +1756,7 @@ $ac_func(); ; return 0; } EOF -if { (eval echo configure:1745: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then +if { (eval echo configure:1760: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes" else @@ -1767,12 +1782,12 @@ done echo $ac_n "checking for vprintf""... $ac_c" 1>&6 -echo "configure:1771: checking for vprintf" >&5 +echo "configure:1786: checking for vprintf" >&5 if eval "test \"`echo '$''{'ac_cv_func_vprintf'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1776 "configure" +#line 1791 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char vprintf(); below. */ @@ -1795,7 +1810,7 @@ vprintf(); ; return 0; } EOF -if { (eval echo configure:1799: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then +if { (eval echo configure:1814: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then rm -rf conftest* eval "ac_cv_func_vprintf=yes" else @@ -1819,12 +1834,12 @@ fi if test "$ac_cv_func_vprintf" != yes; then echo $ac_n "checking for _doprnt""... $ac_c" 1>&6 -echo "configure:1823: checking for _doprnt" >&5 +echo "configure:1838: checking for _doprnt" >&5 if eval "test \"`echo '$''{'ac_cv_func__doprnt'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1828 "configure" +#line 1843 "configure" #include "confdefs.h" /* System header to define __stub macros and hopefully few prototypes, which can conflict with char _doprnt(); below. */ @@ -1847,7 +1862,7 @@ _doprnt(); ; return 0; } EOF -if { (eval echo configure:1851: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then +if { (eval echo configure:1866: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then rm -rf conftest* eval "ac_cv_func__doprnt=yes" else @@ -1883,7 +1898,7 @@ fi echo $ac_n "checking whether the printf functions support %p""... $ac_c" 1>&6 -echo "configure:1887: checking whether the printf functions support %p" >&5 +echo "configure:1902: checking whether the printf functions support %p" >&5 if eval "test \"`echo '$''{'gcc_cv_func_printf_ptr'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1891,7 +1906,7 @@ else gcc_cv_func_printf_ptr=no else cat > conftest.$ac_ext <<EOF -#line 1895 "configure" +#line 1910 "configure" #include "confdefs.h" #include <stdio.h> @@ -1904,7 +1919,7 @@ main() exit (p != q); } EOF -if { (eval echo configure:1908: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null +if { (eval echo configure:1923: \"$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 @@ -1932,12 +1947,12 @@ 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:1936: checking whether $ac_func must be declared" >&5 +echo "configure:1951: 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 1941 "configure" +#line 1956 "configure" #include "confdefs.h" #include <stdio.h> @@ -1964,7 +1979,7 @@ int main() { char *(*pfn) = (char *(*)) $ac_func ; return 0; } EOF -if { (eval echo configure:1968: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:1983: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* eval "gcc_cv_decl_needed_$ac_func=no" else @@ -1991,12 +2006,12 @@ done echo $ac_n "checking for sys_siglist declaration in signal.h or unistd.h""... $ac_c" 1>&6 -echo "configure:1995: checking for sys_siglist declaration in signal.h or unistd.h" >&5 +echo "configure:2010: checking for sys_siglist declaration in signal.h or unistd.h" >&5 if eval "test \"`echo '$''{'ac_cv_decl_sys_siglist'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 2000 "configure" +#line 2015 "configure" #include "confdefs.h" #include <sys/types.h> #include <signal.h> @@ -2008,7 +2023,7 @@ int main() { char *msg = *(sys_siglist + 1); ; return 0; } EOF -if { (eval echo configure:2012: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:2027: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ac_cv_decl_sys_siglist=yes else @@ -5333,7 +5348,7 @@ EOF # Ultrix sh set writes to stderr and can't be redirected directly, # and sets the high bit in the cache file unless we assign to the vars. (set) 2>&1 | - case `(ac_space=' '; set) 2>&1` in + case `(ac_space=' '; set) 2>&1 | grep ac_space` in *ac_space=\ *) # `set' does not quote correctly, so add quotes (double-quote substitution # turns \\\\ into \\, and sed turns \\ into \). @@ -5400,7 +5415,7 @@ do echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion" exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;; -version | --version | --versio | --versi | --vers | --ver | --ve | --v) - echo "$CONFIG_STATUS generated by autoconf version 2.12" + echo "$CONFIG_STATUS generated by autoconf version 2.12.1" exit 0 ;; -help | --help | --hel | --he | --h) echo "\$ac_cs_usage"; exit 0 ;; @@ -5419,6 +5434,7 @@ sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g; s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF $ac_vpsub $extrasub +s%@SHELL@%$SHELL%g s%@CFLAGS@%$CFLAGS%g s%@CPPFLAGS@%$CPPFLAGS%g s%@CXXFLAGS@%$CXXFLAGS%g diff --git a/gcc/configure.in b/gcc/configure.in index 9e15b4d..82cef5a 100644 --- a/gcc/configure.in +++ b/gcc/configure.in @@ -78,6 +78,12 @@ if [[ x$gxx_include_dir = x ]]; then gxx_include_dir='${prefix}/include/g++' fi +# Enable expensive internal checks +AC_ARG_ENABLE(checking, +[ --enable-checking enable expensive run-time checks.], +AC_DEFINE(ENABLE_CHECKING) +) + # Enable use of cpplib for C. AC_ARG_ENABLE(c-cpplib, [ --enable-c-cpplib Use cpplib for C.], @@ -175,6 +175,10 @@ static int num_scratch; reg_info *reg_n_info; +/* Size of the reg_n_info table. */ + +unsigned int reg_n_max; + /* Element N is the next insn that uses (hard or pseudo) register number N within the current basic block; or zero, if there is no such insn. This is valid only during the final backward scan in propagate_block. */ diff --git a/gcc/regclass.c b/gcc/regclass.c index 5fef265..5c605eb 100644 --- a/gcc/regclass.c +++ b/gcc/regclass.c @@ -1754,12 +1754,11 @@ allocate_reg_info (num_regs, new_p, renumber_p) int renumber_p; { static int regno_allocated = 0; - static int regno_max = 0; static short *renumber = (short *)0; int i; int size_info; int size_renumber; - int min = (new_p) ? 0 : regno_max; + int min = (new_p) ? 0 : reg_n_max; /* If this message come up, and you want to fix it, then all of the tables like reg_renumber, etc. that use short will have to be found and lengthed @@ -1776,7 +1775,7 @@ allocate_reg_info (num_regs, new_p, renumber_p) renumber = (short *)0; } regno_allocated = 0; - regno_max = 0; + reg_n_max = 0; return; } @@ -1823,7 +1822,7 @@ allocate_reg_info (num_regs, new_p, renumber_p) /* Tell the regset code about the new number of registers */ MAX_REGNO_REG_SET (num_regs, new_p, renumber_p); - regno_max = num_regs; + reg_n_max = num_regs; } @@ -62,16 +62,28 @@ typedef struct reg_info_def { extern reg_info *reg_n_info; +extern unsigned int reg_n_max; + +/* Check for REG_N_xxx macros being in bound, return N for use as an + index. */ +#ifdef ENABLE_CHECKING +#define REG_N_CHECK(N) \ +((((unsigned)(N) < (unsigned)reg_n_max) \ + ? 0 : (fatal ("Register %d out of bounds", (N)), 0)), (N)) +#else +#define REG_N_CHECK(N) (N) +#endif + /* Indexed by n, gives number of times (REG n) is used or set. References within loops may be counted more times. */ -#define REG_N_REFS(N) (reg_n_info[(N)].refs) +#define REG_N_REFS(N) (reg_n_info[REG_N_CHECK (N)].refs) /* Indexed by n, gives number of times (REG n) is set. ??? both regscan and flow allocate space for this. We should settle on just copy. */ -#define REG_N_SETS(N) (reg_n_info[(N)].sets) +#define REG_N_SETS(N) (reg_n_info[REG_N_CHECK (N)].sets) /* Indexed by N, gives number of insns in which register N dies. Note that if register N is live around loops, it can die @@ -79,13 +91,13 @@ extern reg_info *reg_n_info; So this is only a reliable indicator of how many regions of life there are for registers that are contained in one basic block. */ -#define REG_N_DEATHS(N) (reg_n_info[(N)].deaths) +#define REG_N_DEATHS(N) (reg_n_info[REG_N_CHECK (N)].deaths) /* Indexed by N; says whether a pseudo register N was ever used within a SUBREG that changes the size of the reg. Some machines prohibit such objects to be in certain (usually floating-point) registers. */ -#define REG_CHANGES_SIZE(N) (reg_n_info[(N)].changes_size) +#define REG_CHANGES_SIZE(N) (reg_n_info[REG_N_CHECK (N)].changes_size) /* Get the number of consecutive words required to hold pseudo-reg N. */ @@ -104,7 +116,7 @@ extern reg_info *reg_n_info; /* Indexed by N, gives number of CALL_INSNS across which (REG n) is live. */ -#define REG_N_CALLS_CROSSED(N) (reg_n_info[(N)].calls_crossed) +#define REG_N_CALLS_CROSSED(N) (reg_n_info[REG_N_CHECK (N)].calls_crossed) /* Total number of instructions at which (REG n) is live. The larger this is, the less priority (REG n) gets for @@ -121,7 +133,7 @@ extern reg_info *reg_n_info; is not required. global.c makes an allocno for this but does not try to assign a hard register to it. */ -#define REG_LIVE_LENGTH(N) (reg_n_info[(N)].live_length) +#define REG_LIVE_LENGTH(N) (reg_n_info[REG_N_CHECK (N)].live_length) /* Vector of substitutions of register numbers, used to map pseudo regs into hardware regs. @@ -153,7 +165,7 @@ extern enum machine_mode reg_raw_mode[FIRST_PSEUDO_REGISTER]; It is sometimes adjusted for subsequent changes during loop, but not adjusted by cse even if cse invalidates it. */ -#define REGNO_FIRST_UID(N) (reg_n_info[(N)].first_uid) +#define REGNO_FIRST_UID(N) (reg_n_info[REG_N_CHECK (N)].first_uid) /* Vector indexed by regno; gives uid of last insn using that reg. This is computed by reg_scan for use by cse and loop. @@ -161,11 +173,11 @@ extern enum machine_mode reg_raw_mode[FIRST_PSEUDO_REGISTER]; but not adjusted by cse even if cse invalidates it. This is harmless since cse won't scan through a loop end. */ -#define REGNO_LAST_UID(N) (reg_n_info[(N)].last_uid) +#define REGNO_LAST_UID(N) (reg_n_info[REG_N_CHECK (N)].last_uid) /* Similar, but includes insns that mention the reg in their notes. */ -#define REGNO_LAST_NOTE_UID(N) (reg_n_info[(N)].last_note_uid) +#define REGNO_LAST_NOTE_UID(N) (reg_n_info[REG_N_CHECK (N)].last_note_uid) /* This is reset to LAST_VIRTUAL_REGISTER + 1 at the start of each function. After rtl generation, it is 1 plus the largest register number used. */ |