Bugzilla bug 195219 and bug 312199: ported the HP-UX IPF (ia64) changes to

the MOZILLA_1_8_BRANCH. a=dveditz for approval1.8.1.
Modified files: configure configure.in _hpux.h
Added file: os_HPUX_ia64.s

4 files changed, 231 insertions, 213 deletions

diff --git a/configure b/configure
index ca7155d1..261d204f 100755
--- a/configure
+++ b/configure
@@ -1622,63 +1622,12 @@ else
   fi
 fi
 
-for ac_declaration in \
-   ''\
-   '#include <stdlib.h>' \
-   'extern "C" void std::exit (int) throw (); using std::exit;' \
-   'extern "C" void std::exit (int); using std::exit;' \
-   'extern "C" void exit (int) throw ();' \
-   'extern "C" void exit (int);' \
-   'void exit (int);'
-do
-  cat > conftest.$ac_ext <<EOF
-#line 1636 "configure"
-#include "confdefs.h"
-#include <stdlib.h>
-$ac_declaration
-int main() {
-exit (42);
-; return 0; }
-EOF
-if { (eval echo configure:1644: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  :
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  continue
-fi
-rm -f conftest*
-  cat > conftest.$ac_ext <<EOF
-#line 1654 "configure"
-#include "confdefs.h"
-$ac_declaration
-int main() {
-exit (42);
-; return 0; }
-EOF
-if { (eval echo configure:1661: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  break
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-fi
-rm -f conftest*
-done
-if test -n "$ac_declaration"; then
-  echo '#ifdef __cplusplus' >>confdefs.h
-  echo $ac_declaration      >>confdefs.h
-  echo '#endif'             >>confdefs.h
-fi
-
-
     for ac_prog in $RANLIB "${target_alias}-ranlib" "${target}-ranlib"
 do
 # Extract the first word of "$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:1682: checking for $ac_word" >&5
+echo "configure:1631: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1713,7 +1662,7 @@ do
 # Extract the first word of "$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:1717: checking for $ac_word" >&5
+echo "configure:1666: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1748,7 +1697,7 @@ do
 # Extract the first word of "$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:1752: checking for $ac_word" >&5
+echo "configure:1701: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1783,7 +1732,7 @@ do
 # Extract the first word of "$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:1787: checking for $ac_word" >&5
+echo "configure:1736: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1818,7 +1767,7 @@ do
 # Extract the first word of "$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:1822: checking for $ac_word" >&5
+echo "configure:1771: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1853,7 +1802,7 @@ do
 # Extract the first word of "$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:1857: checking for $ac_word" >&5
+echo "configure:1806: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1890,7 +1839,7 @@ do
 # Extract the first word of "$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:1894: checking for $ac_word" >&5
+echo "configure:1843: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1922,7 +1871,7 @@ test -n "$CXX" || CXX="gcc"
 
 
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1926: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+echo "configure:1875: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
 
 ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1933,12 +1882,12 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1937 "configure"
+#line 1886 "configure"
 #include "confdefs.h"
 
 int main(){return(0);}
 EOF
-if { (eval echo configure:1942: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1891: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cxx_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -1964,12 +1913,12 @@ if test $ac_cv_prog_cxx_works = no; then
   { echo "configure: error: installation or configuration problem: C++ compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1968: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1917: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cxx_cross" 1>&6
 cross_compiling=$ac_cv_prog_cxx_cross
 
 echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:1973: checking whether we are using GNU C++" >&5
+echo "configure:1922: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1978,7 +1927,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1982: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1931: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
@@ -1997,7 +1946,7 @@ ac_test_CXXFLAGS="${CXXFLAGS+set}"
 ac_save_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS=
 echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:2001: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:1950: checking whether ${CXX-g++} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2028,64 +1977,13 @@ else
   fi
 fi
 
-for ac_declaration in \
-   ''\
-   '#include <stdlib.h>' \
-   'extern "C" void std::exit (int) throw (); using std::exit;' \
-   'extern "C" void std::exit (int); using std::exit;' \
-   'extern "C" void exit (int) throw ();' \
-   'extern "C" void exit (int);' \
-   'void exit (int);'
-do
-  cat > conftest.$ac_ext <<EOF
-#line 2042 "configure"
-#include "confdefs.h"
-#include <stdlib.h>
-$ac_declaration
-int main() {
-exit (42);
-; return 0; }
-EOF
-if { (eval echo configure:2050: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  :
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-  rm -rf conftest*
-  continue
-fi
-rm -f conftest*
-  cat > conftest.$ac_ext <<EOF
-#line 2060 "configure"
-#include "confdefs.h"
-$ac_declaration
-int main() {
-exit (42);
-; return 0; }
-EOF
-if { (eval echo configure:2067: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
-  rm -rf conftest*
-  break
-else
-  echo "configure: failed program was:" >&5
-  cat conftest.$ac_ext >&5
-fi
-rm -f conftest*
-done
-if test -n "$ac_declaration"; then
-  echo '#ifdef __cplusplus' >>confdefs.h
-  echo $ac_declaration      >>confdefs.h
-  echo '#endif'             >>confdefs.h
-fi
-
-
     if test "$CXX" = "cl" -a -z "$CC"; then
         CC=$CXX
     else        
         # 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:2089: checking for $ac_word" >&5
+echo "configure:1987: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2115,7 +2013,7 @@ if test -z "$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:2119: checking for $ac_word" >&5
+echo "configure:2017: 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
@@ -2166,7 +2064,7 @@ fi
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2170: checking for $ac_word" >&5
+echo "configure:2068: 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
@@ -2198,7 +2096,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:2202: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:2100: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -2209,12 +2107,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 2213 "configure"
+#line 2111 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:2218: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2116: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; 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
@@ -2240,12 +2138,12 @@ 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""... $ac_c" 1>&6
-echo "configure:2244: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2142: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:2249: checking whether we are using GNU C" >&5
+echo "configure:2147: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2254,7 +2152,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2258: \"$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:2156: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -2273,7 +2171,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:2277: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:2175: 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
@@ -2306,7 +2204,7 @@ fi
 
     fi
     echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:2310: checking how to run the C preprocessor" >&5
+echo "configure:2208: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -2321,13 +2219,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 2325 "configure"
+#line 2223 "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:2331: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2229: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2338,13 +2236,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 2342 "configure"
+#line 2240 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2348: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2246: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2355,13 +2253,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 2359 "configure"
+#line 2257 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2365: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2263: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2388,7 +2286,7 @@ echo "$ac_t""$CPP" 1>&6
     # 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:2392: checking for $ac_word" >&5
+echo "configure:2290: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2420,7 +2318,7 @@ do
 # Extract the first word of "$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:2424: checking for $ac_word" >&5
+echo "configure:2322: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2461,7 +2359,7 @@ do
 # Extract the first word of "$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:2465: checking for $ac_word" >&5
+echo "configure:2363: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2502,7 +2400,7 @@ do
 # Extract the first word of "$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:2506: checking for $ac_word" >&5
+echo "configure:2404: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2543,7 +2441,7 @@ do
 # Extract the first word of "$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:2547: checking for $ac_word" >&5
+echo "configure:2445: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2584,7 +2482,7 @@ do
 # Extract the first word of "$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:2588: checking for $ac_word" >&5
+echo "configure:2486: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2646,7 +2544,7 @@ else
 fi
 
 echo $ac_n "checking for gcc -pipe support""... $ac_c" 1>&6
-echo "configure:2650: checking for gcc -pipe support" >&5
+echo "configure:2548: checking for gcc -pipe support" >&5
 if test -n "$GNU_CC" && test -n "$GNU_CXX" && test -n "$GNU_AS"; then
     echo '#include <stdio.h>' > dummy-hello.c
     echo 'int main() { printf("Hello World\n"); return 0; }' >> dummy-hello.c
@@ -2661,14 +2559,14 @@ if test -n "$GNU_CC" && test -n "$GNU_CXX" && test -n "$GNU_AS"; then
         _SAVE_CFLAGS=$CFLAGS
         CFLAGS="$CFLAGS -pipe"
         cat > conftest.$ac_ext <<EOF
-#line 2665 "configure"
+#line 2563 "configure"
 #include "confdefs.h"
  #include <stdio.h> 
 int main() {
 printf("Hello World\n");
 ; return 0; }
 EOF
-if { (eval echo configure:2672: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2570: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   _res_gcc_pipe="yes"
 else
@@ -2695,7 +2593,7 @@ fi
 
 if test "$GNU_CC"; then
     echo $ac_n "checking for visibility(hidden) attribute""... $ac_c" 1>&6
-echo "configure:2699: checking for visibility(hidden) attribute" >&5
+echo "configure:2597: checking for visibility(hidden) attribute" >&5
 if eval "test \"`echo '$''{'ac_cv_visibility_hidden'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2719,7 +2617,7 @@ echo "$ac_t""$ac_cv_visibility_hidden" 1>&6
 EOF
 
         echo $ac_n "checking for visibility pragma support""... $ac_c" 1>&6
-echo "configure:2723: checking for visibility pragma support" >&5
+echo "configure:2621: checking for visibility pragma support" >&5
 if eval "test \"`echo '$''{'ac_cv_visibility_pragma'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2772,7 +2670,7 @@ do
 # Extract the first word of "$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:2776: checking for $ac_word" >&5
+echo "configure:2674: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PERL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3018,17 +2916,17 @@ EOF
     DSO_LDOPTS='-brtl -bnortllib -bM:SRE -bnoentry -bexpall -blibpath:/usr/lib:/lib'
     ac_safe=`echo "sys/atomic_op.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for sys/atomic_op.h""... $ac_c" 1>&6
-echo "configure:3022: checking for sys/atomic_op.h" >&5
+echo "configure:2920: checking for sys/atomic_op.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3027 "configure"
+#line 2925 "configure"
 #include "confdefs.h"
 #include <sys/atomic_op.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3032: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2930: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3185,7 +3083,7 @@ EOF
         _DEBUG_FLAGS='-gdwarf-2 -O0'
         MKSHLIB='$(CCC) $(DSO_LDOPTS) -o $@'
         echo $ac_n "checking for gethostbyaddr in -lbind""... $ac_c" 1>&6
-echo "configure:3189: checking for gethostbyaddr in -lbind" >&5
+echo "configure:3087: checking for gethostbyaddr in -lbind" >&5
 ac_lib_var=`echo bind'_'gethostbyaddr | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3193,7 +3091,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lbind  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3197 "configure"
+#line 3095 "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
@@ -3204,7 +3102,7 @@ int main() {
 gethostbyaddr()
 ; return 0; }
 EOF
-if { (eval echo configure:3208: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3106: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3566,10 +3464,6 @@ EOF
 #define _HPUX_SOURCE 1
 EOF
 
-    cat >> confdefs.h <<\EOF
-#define hppa 1
-EOF
-
     # OSF1 and HPUX report the POLLHUP event for a socket when the
     # shutdown(SHUT_WR) operation is called for the remote end, even though
     # the socket is still writeable. Use select(), instead of poll(), to
@@ -3582,10 +3476,22 @@ EOF
 #define _USE_BIG_FDS 1
 EOF
 
-    DLL_SUFFIX=sl
     DSO_LDOPTS='-b +h $(notdir $@)'
     PR_MD_CSRCS=hpux.c
-    if test "$OS_TEST" != "ia64"; then
+    if test "$OS_TEST" = "ia64"; then
+        DLL_SUFFIX=so
+        DSO_LDOPTS="$DSO_LDOPTS +b '\$\$ORIGIN'"
+        CPU_ARCH_TAG=_$OS_TEST 
+        if test -z "$USE_64"; then
+            COMPILER_TAG=_32
+        fi
+        PR_MD_ASFILES=os_HPUX_ia64.s
+    else
+        cat >> confdefs.h <<\EOF
+#define hppa 1
+EOF
+
+        DLL_SUFFIX=sl
         PR_MD_ASFILES=os_HPUX.s
     fi
     if test -n "$USE_64"; then
@@ -4453,17 +4359,17 @@ EOF
         _OPTIMIZE_FLAGS="$_OPTIMIZE_FLAGS -Olimit 4000"
         ac_safe=`echo "machine/builtins.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for machine/builtins.h""... $ac_c" 1>&6
-echo "configure:4457: checking for machine/builtins.h" >&5
+echo "configure:4363: checking for machine/builtins.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4462 "configure"
+#line 4368 "configure"
 #include "confdefs.h"
 #include <machine/builtins.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4467: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4373: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5025,7 +4931,7 @@ case $target in
     ;;
 *)
     echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:5029: checking for dlopen in -ldl" >&5
+echo "configure:4935: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5033,7 +4939,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5037 "configure"
+#line 4943 "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
@@ -5044,7 +4950,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:5048: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4954: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5061,17 +4967,17 @@ if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   ac_safe=`echo "dlfcn.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dlfcn.h""... $ac_c" 1>&6
-echo "configure:5065: checking for dlfcn.h" >&5
+echo "configure:4971: checking for dlfcn.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5070 "configure"
+#line 4976 "configure"
 #include "confdefs.h"
 #include <dlfcn.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5075: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4981: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5104,13 +5010,13 @@ esac
 
 if test $ac_cv_prog_gcc = yes; then
     echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&6
-echo "configure:5108: checking whether ${CC-cc} needs -traditional" >&5
+echo "configure:5014: checking whether ${CC-cc} needs -traditional" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     ac_pattern="Autoconf.*'x'"
   cat > conftest.$ac_ext <<EOF
-#line 5114 "configure"
+#line 5020 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 Autoconf TIOCGETP
@@ -5128,7 +5034,7 @@ rm -f conftest*
 
   if test $ac_cv_prog_gcc_traditional = no; then
     cat > conftest.$ac_ext <<EOF
-#line 5132 "configure"
+#line 5038 "configure"
 #include "confdefs.h"
 #include <termio.h>
 Autoconf TCGETA
@@ -5152,12 +5058,12 @@ fi
 for ac_func in lchown strerror
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5156: checking for $ac_func" >&5
+echo "configure:5062: 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 5161 "configure"
+#line 5067 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5180,7 +5086,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5184: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5090: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5221,7 +5127,7 @@ hpux*)
 if test -z "$GNU_CC"; then
 
     echo $ac_n "checking for +Olit support""... $ac_c" 1>&6
-echo "configure:5225: checking for +Olit support" >&5
+echo "configure:5131: checking for +Olit support" >&5
 if eval "test \"`echo '$''{'ac_cv_hpux_usable_olit_option'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5260,7 +5166,7 @@ darwin*)
 *)
     
 echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
-echo "configure:5264: checking for pthread_create in -lpthreads" >&5
+echo "configure:5170: checking for pthread_create in -lpthreads" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
@@ -5282,7 +5188,7 @@ echo "
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:5286: checking for pthread_create in -lpthread" >&5
+echo "configure:5192: checking for pthread_create in -lpthread" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
@@ -5304,7 +5210,7 @@ echo "
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
-echo "configure:5308: checking for pthread_create in -lc_r" >&5
+echo "configure:5214: checking for pthread_create in -lc_r" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
@@ -5326,7 +5232,7 @@ echo "
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lc""... $ac_c" 1>&6
-echo "configure:5330: checking for pthread_create in -lc" >&5
+echo "configure:5236: checking for pthread_create in -lc" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
@@ -5480,7 +5386,7 @@ if test -n "$USE_PTHREADS"; then
       rm -f conftest*
    ac_cv_have_dash_pthread=no
    echo $ac_n "checking whether ${CC-cc} accepts -pthread""... $ac_c" 1>&6
-echo "configure:5484: checking whether ${CC-cc} accepts -pthread" >&5
+echo "configure:5390: checking whether ${CC-cc} accepts -pthread" >&5
    echo 'int main() { return 0; }' | cat > conftest.c
    ${CC-cc} -pthread -o conftest conftest.c > conftest.out 2>&1
    if test $? -eq 0; then
@@ -5503,7 +5409,7 @@ echo "configure:5484: checking whether ${CC-cc} accepts -pthread" >&5
 			    ac_cv_have_dash_pthreads=no
     if test "$ac_cv_have_dash_pthread" = "no"; then
 	    echo $ac_n "checking whether ${CC-cc} accepts -pthreads""... $ac_c" 1>&6
-echo "configure:5507: checking whether ${CC-cc} accepts -pthreads" >&5
+echo "configure:5413: checking whether ${CC-cc} accepts -pthreads" >&5
     	echo 'int main() { return 0; }' | cat > conftest.c
 	    ${CC-cc} -pthreads -o conftest conftest.c > conftest.out 2>&1
     	if test $? -eq 0; then
@@ -6036,34 +5942,15 @@ trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
 # Transform confdefs.h into DEFS.
 # Protect against shell expansion while executing Makefile rules.
 # Protect against Makefile macro expansion.
-#
-# If the first sed substitution is executed (which looks for macros that
-# take arguments), then we branch to the quote section.  Otherwise,
-# look for a macro that doesn't take arguments.
-cat >confdef2opt.sed <<\_ACEOF
-t clear
-: clear
-s,^[ 	]*#[ 	]*define[ 	][ 	]*\([^ 	(][^ 	(]*([^)]*)\)[ 	]*\(.*\),-D\1=\2,g
-t quote
-s,^[ 	]*#[ 	]*define[ 	][ 	]*\([^ 	][^ 	]*\)[ 	]*\(.*\),-D\1=\2,g
-t quote
-d
-: quote
-s,[ 	`~#$^&*(){}\\|;'"<>?],\\&,g
-s,\[,\\&,g
-s,\],\\&,g
-s,\$,$$,g
-p
-_ACEOF
-# We use echo to avoid assuming a particular line-breaking character.
-# The extra dot is to prevent the shell from consuming trailing
-# line-breaks from the sub-command output.  A line-break within
-# single-quotes doesn't work because, if this script is created in a
-# platform that uses two characters for line-breaks (e.g., DOS), tr
-# would break.
-ac_LF_and_DOT=`echo; echo .`
-DEFS=`sed -n -f confdef2opt.sed confdefs.h | tr "$ac_LF_and_DOT" ' .'`
-rm -f confdef2opt.sed
+cat > conftest.defs <<\EOF
+s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g
+s%[ 	`~#$^&*(){}\\|;'"<>?]%\\&%g
+s%\[%\\&%g
+s%\]%\\&%g
+s%\$%$$%g
+EOF
+DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' ' | tr '\015' ' '`
+rm -f conftest.defs
 
 
 # Without the "./", some shells look in PATH for config.status.
@@ -6340,4 +6227,3 @@ chmod +x $CONFIG_STATUS
 rm -fr confdefs* $ac_clean_files
 test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1
 
-
diff --git a/configure.in b/configure.in
index 8d9f3485..bfd58160 100644
--- a/configure.in
+++ b/configure.in
@@ -1096,17 +1096,25 @@ tools are selected during the Xcode/Developer Tools installation.])
     AC_DEFINE(XP_UNIX)
     AC_DEFINE(HPUX)
     AC_DEFINE(_HPUX_SOURCE)
-    AC_DEFINE(hppa)
     # OSF1 and HPUX report the POLLHUP event for a socket when the
     # shutdown(SHUT_WR) operation is called for the remote end, even though
     # the socket is still writeable. Use select(), instead of poll(), to
     # workaround this problem.
     AC_DEFINE(_PR_POLL_WITH_SELECT)
     AC_DEFINE(_USE_BIG_FDS)
-    DLL_SUFFIX=sl
     DSO_LDOPTS='-b +h $(notdir $@)'
     PR_MD_CSRCS=hpux.c
-    if test "$OS_TEST" != "ia64"; then
+    if test "$OS_TEST" = "ia64"; then
+        DLL_SUFFIX=so
+        DSO_LDOPTS="$DSO_LDOPTS +b '\$\$ORIGIN'"
+        CPU_ARCH_TAG=_$OS_TEST 
+        if test -z "$USE_64"; then
+            COMPILER_TAG=_32
+        fi
+        PR_MD_ASFILES=os_HPUX_ia64.s
+    else
+        AC_DEFINE(hppa)
+        DLL_SUFFIX=sl
         PR_MD_ASFILES=os_HPUX.s
     fi
     if test -n "$USE_64"; then
diff --git a/pr/include/md/_hpux.h b/pr/include/md/_hpux.h
index 73928313..64729607 100644
--- a/pr/include/md/_hpux.h
+++ b/pr/include/md/_hpux.h
@@ -44,8 +44,13 @@
 
 #define PR_LINKER_ARCH    "hpux"
 #define _PR_SI_SYSNAME   "HPUX"
-#define _PR_SI_ARCHITECTURE "hppa1.1"
+#ifdef __ia64
+#define _PR_SI_ARCHITECTURE "ia64"
+#define PR_DLL_SUFFIX        ".so"
+#else
+#define _PR_SI_ARCHITECTURE "hppa"
 #define PR_DLL_SUFFIX        ".sl"
+#endif
 
 #define _PR_VMBASE        0x30000000 
 #define _PR_STACK_VMBASE    0x50000000
@@ -80,7 +85,18 @@
 #define PR_HAVE_POSIX_NAMED_SHARED_MEMORY
 #define _PR_ACCEPT_INHERIT_NONBLOCK
 
-#undef _PR_HAVE_ATOMIC_OPS
+#if defined(__ia64)
+#define _PR_HAVE_ATOMIC_OPS
+#define _MD_INIT_ATOMIC()
+extern PRInt32 _PR_ia64_AtomicIncrement(PRInt32 *val);
+#define _MD_ATOMIC_INCREMENT          _PR_ia64_AtomicIncrement
+extern PRInt32 _PR_ia64_AtomicDecrement(PRInt32 *val);
+#define _MD_ATOMIC_DECREMENT          _PR_ia64_AtomicDecrement
+extern PRInt32 _PR_ia64_AtomicAdd(PRInt32 *ptr, PRInt32 val);
+#define _MD_ATOMIC_ADD                _PR_ia64_AtomicAdd
+extern PRInt32 _PR_ia64_AtomicSet(PRInt32 *val, PRInt32 newval);
+#define _MD_ATOMIC_SET                _PR_ia64_AtomicSet
+#endif
 
 #ifdef _PR_INET6
 #define _PR_HAVE_INET_NTOP
diff --git a/pr/src/md/unix/os_HPUX_ia64.s b/pr/src/md/unix/os_HPUX_ia64.s
new file mode 100644
index 00000000..d433f4fe
--- /dev/null
+++ b/pr/src/md/unix/os_HPUX_ia64.s
@@ -0,0 +1,108 @@
+// -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+// 
+// The contents of this file are subject to the Mozilla Public
+// License Version 1.1 (the "License"); you may not use this file
+// except in compliance with the License. You may obtain a copy of
+// the License at http://www.mozilla.org/MPL/
+// 
+// Software distributed under the License is distributed on an "AS
+// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+// implied. See the License for the specific language governing
+// rights and limitations under the License.
+// 
+// The Original Code is the Netscape Portable Runtime (NSPR).
+// 
+// The Initial Developer of the Original Code is Netscape
+// Communications Corporation.  Portions created by Netscape are 
+// Copyright (C) 2000 Netscape Communications Corporation.  All
+// Rights Reserved.
+// 
+// Contributor(s):
+// 
+// Alternatively, the contents of this file may be used under the
+// terms of the GNU General Public License Version 2 or later (the
+// "GPL"), in which case the provisions of the GPL are applicable 
+// instead of those above.  If you wish to allow use of your 
+// version of this file only under the terms of the GPL and not to
+// allow others to use your version of this file under the MPL,
+// indicate your decision by deleting the provisions above and
+// replace them with the notice and other provisions required by
+// the GPL.  If you do not delete the provisions above, a recipient
+// may use your version of this file under either the MPL or the
+// GPL.
+//
+
+.text
+
+// PRInt32 _PR_ia64_AtomicIncrement(PRInt32 *val)
+//
+// Atomically increment the integer pointed to by 'val' and return
+// the result of the increment.
+//
+        .align 16
+        .global _PR_ia64_AtomicIncrement#
+        .proc _PR_ia64_AtomicIncrement#
+_PR_ia64_AtomicIncrement:
+#ifndef _LP64
+        addp4 r32 = 0, r32  ;;
+#endif
+        fetchadd4.acq r8 = [r32], 1  ;;
+        adds r8 = 1, r8
+        br.ret.sptk.many b0
+        .endp _PR_ia64_AtomicIncrement#
+
+// PRInt32 _PR_ia64_AtomicDecrement(PRInt32 *val)
+//
+// Atomically decrement the integer pointed to by 'val' and return
+// the result of the decrement.
+//
+        .align 16
+        .global _PR_ia64_AtomicDecrement#
+        .proc _PR_ia64_AtomicDecrement#
+_PR_ia64_AtomicDecrement:
+#ifndef _LP64
+        addp4 r32 = 0, r32  ;;
+#endif
+        fetchadd4.rel r8 = [r32], -1  ;;
+        adds r8 = -1, r8
+        br.ret.sptk.many b0
+        .endp _PR_ia64_AtomicDecrement#
+
+// PRInt32 _PR_ia64_AtomicAdd(PRInt32 *ptr, PRInt32 val)
+//
+// Atomically add 'val' to the integer pointed to by 'ptr'
+// and return the result of the addition.
+//
+        .align 16
+        .global _PR_ia64_AtomicAdd#
+        .proc _PR_ia64_AtomicAdd#
+_PR_ia64_AtomicAdd:
+#ifndef _LP64
+        addp4 r32 = 0, r32  ;;
+#endif
+        ld4 r15 = [r32]  ;;
+.L3:
+        mov r14 = r15
+        mov ar.ccv = r15
+        add r8 = r15, r33  ;;
+        cmpxchg4.acq r15 = [r32], r8, ar.ccv  ;;
+        cmp4.ne p6, p7 =  r15, r14
+        (p6) br.cond.dptk .L3
+        br.ret.sptk.many b0
+        .endp _PR_ia64_AtomicAdd#
+
+// PRInt32 _PR_ia64_AtomicSet(PRInt32 *val, PRInt32 newval)
+//
+// Atomically set the integer pointed to by 'val' to the new
+// value 'newval' and return the old value.
+//
+        .align 16
+        .global _PR_ia64_AtomicSet#
+        .proc _PR_ia64_AtomicSet#
+_PR_ia64_AtomicSet:
+#ifndef _LP64
+        addp4 r32 = 0, r32  ;;
+#endif
+        xchg4 r8 = [r32], r33
+        br.ret.sptk.many b0
+        .endp _PR_ia64_AtomicSet#