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| author | H.J. Lu <hongjiu.lu@intel.com> | 2011-07-07 15:38:34 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2011-07-07 08:38:34 -0700 |
| commit | f0ea75811ae63b50e6c06ad694a993a8182ba012 (patch) | |
| tree | be55d57f091491a3c10e4f0da3c1344d4d7f5991 /gcc/config.gcc | |
| parent | 5c318df5275b3dd6843190b8e65580f8a63eb246 (diff) | |
| download | gcc-f0ea75811ae63b50e6c06ad694a993a8182ba012.zip gcc-f0ea75811ae63b50e6c06ad694a993a8182ba012.tar.gz gcc-f0ea75811ae63b50e6c06ad694a993a8182ba012.tar.bz2 | |
Initial x32 support.
2011-07-07 H.J. Lu <hongjiu.lu@intel.com>
* config.gcc: Support --with-multilib-list for x86 Linux
targets.
* configure.ac: Mention x86-64 for --with-multilib-list.
* configure: Regenerated.
* config/i386/gnu-user64.h (SPEC_64): Support x32.
(SPEC_32): Likewise.
(ASM_SPEC): Likewise.
(LINK_SPEC): Likewise.
(TARGET_THREAD_SSP_OFFSET): Likewise.
(TARGET_THREAD_SPLIT_STACK_OFFSET): Likewise.
(SPEC_X32): New.
* config/i386/i386.h (TARGET_X32): New.
(TARGET_LP64): New.
(LONG_TYPE_SIZE): Likewise.
(POINTER_SIZE): Likewise.
(POINTERS_EXTEND_UNSIGNED): Likewise.
(OPT_ARCH64): Support x32.
(OPT_ARCH32): Likewise.
* config/i386/i386.opt (mx32): New.
* config/i386/kfreebsd-gnu64.h (GNU_USER_LINK_EMULATIONX32): New.
(GLIBC_DYNAMIC_LINKERX32): Likewise.
* config/i386/linux64.h (GNU_USER_LINK_EMULATIONX32): Likewise.
(GLIBC_DYNAMIC_LINKERX32): Likewise.
* config/linux.h (UCLIBC_DYNAMIC_LINKERX32): New.
(BIONIC_DYNAMIC_LINKERX32): Likewise.
(GNU_USER_DYNAMIC_LINKERX32): Likewise.
* config/i386/t-linux64: Support TM_MULTILIB_CONFIG.
* doc/install.texi: Document --with-multilib-list for
Linux/x86-64.
* doc/invoke.texi: Document -mx32.
From-SVN: r175984
Diffstat (limited to 'gcc/config.gcc')
| -rw-r--r-- | gcc/config.gcc | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/config.gcc b/gcc/config.gcc index c590577..f8d7274 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -1281,6 +1281,22 @@ i[34567]86-*-linux* | i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu | i tm_file="${tm_file} i386/x86-64.h i386/gnu-user64.h i386/linux64.h" tm_defines="${tm_defines} TARGET_BI_ARCH=1" tmake_file="${tmake_file} i386/t-linux64" + x86_multilibs="${with_multilib_list}" + if test "$x86_multilibs" = "default"; then + x86_multilibs="m64,m32" + fi + x86_multilibs=`echo $x86_multilibs | sed -e 's/,/ /g'` + for x86_multilib in ${x86_multilibs}; do + case ${x86_multilib} in + m32 | m64 | mx32) + TM_MULTILIB_CONFIG="${TM_MULTILIB_CONFIG},${x86_multilib}" + ;; + *) + echo "--with-multilib-list=${x86_with_multilib} not supported." + exit 1 + esac + done + TM_MULTILIB_CONFIG=`echo $TM_MULTILIB_CONFIG | sed 's/^,//'` need_64bit_hwint=yes need_64bit_isa=yes case X"${with_cpu}" in @@ -1319,6 +1335,22 @@ x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu) x86_64-*-knetbsd*-gnu) tm_file="${tm_file} knetbsd-gnu.h" ;; esac tmake_file="${tmake_file} i386/t-linux64 i386/t-crtstuff i386/t-crtpc i386/t-crtfm t-dfprules" + x86_multilibs="${with_multilib_list}" + if test "$x86_multilibs" = "default"; then + x86_multilibs="m64,m32" + fi + x86_multilibs=`echo $x86_multilibs | sed -e 's/,/ /g'` + for x86_multilib in ${x86_multilibs}; do + case ${x86_multilib} in + m32 | m64 | mx32) + TM_MULTILIB_CONFIG="${TM_MULTILIB_CONFIG},${x86_multilib}" + ;; + *) + echo "--with-multilib-list=${x86_with_multilib} not supported." + exit 1 + esac + done + TM_MULTILIB_CONFIG=`echo $TM_MULTILIB_CONFIG | sed 's/^,//'` ;; i[34567]86-pc-msdosdjgpp*) xm_file=i386/xm-djgpp.h |