diff options
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/config.host | 21 | ||||
| -rw-r--r-- | gcc/config/rs6000/x-linux-relax | 2 | ||||
| -rw-r--r-- | gcc/config/x-cflags-O1 | 5 |
4 files changed, 37 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index add24970820..8575c25054b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2008-12-19 Jakub Jelinek <jakub@redhat.com> + + PR bootstrap/37739 + * config.host: For powerpc*-*-linux* host with 32-bit GCC, + use rs6000/x-linux-relax snippet if ld is new enough, + otherwise use rs6000/x-linux-O1. + * config/rs6000/x-linux-relax: New file. + * config/x-cflags-O1: New file. + 2008-12-18 Joseph Myers <joseph@codesourcery.com> * config/rs6000/rs6000.c (rs6000_generate_compare): Condition diff --git a/gcc/config.host b/gcc/config.host index 2cfcd6bf13a..939cc1536ca 100644 --- a/gcc/config.host +++ b/gcc/config.host @@ -124,6 +124,27 @@ case ${host} in host_xmake_file="${host_xmake_file} rs6000/x-rs6000" ;; esac + case ${host} in + *-*-linux* ) + if test "${GCC}:${ac_cv_sizeof_long}" = yes:4; then + # On powerpc*-*-linux* use -Wl,--relax to link cc1, + # if ld is new enough, otherwise force -O1 in CFLAGS. + host_ppc_relax_xmake_file= + host_ld_ver=`${CC} -Wl,--version 2>/dev/null | sed 1q` + if echo "$host_ld_ver" | grep GNU > /dev/null; then + host_ld_date=`echo $host_ld_ver \ + | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'` + if test 0"$host_ld_date" -gt 20080806; then + host_ppc_relax_xmake_file=rs6000/x-linux-relax + fi + fi + if test -z "${host_ppc_relax_xmake_file}"; then + host_ppc_relax_xmake_file=x-cflags-O1 + fi + host_xmake_file="${host_xmake_file} ${host_ppc_relax_xmake_file}" + fi + ;; + esac ;; esac diff --git a/gcc/config/rs6000/x-linux-relax b/gcc/config/rs6000/x-linux-relax new file mode 100644 index 00000000000..2743a94e43d --- /dev/null +++ b/gcc/config/rs6000/x-linux-relax @@ -0,0 +1,2 @@ +# At -O0 cc1 etc. are too large and -Wl,--relax is needed +$(COMPILERS) : override LDFLAGS += -Wl,--relax diff --git a/gcc/config/x-cflags-O1 b/gcc/config/x-cflags-O1 new file mode 100644 index 00000000000..9ba1e7496cf --- /dev/null +++ b/gcc/config/x-cflags-O1 @@ -0,0 +1,5 @@ +# At -O0 cc1 etc. are too large on some targets for successful +# link; force building libbackend.a with -O1. +ifeq ($(filter-out -O0,$(lastword $(filter -O%,$(CFLAGS)))),) +$(OBJS) : override CFLAGS += -O1 +endif |