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| author | davem <davem@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-02-21 03:58:51 +0000 |
|---|---|---|
| committer | davem <davem@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-02-21 03:58:51 +0000 |
| commit | 2f1e7d0b3cc16bfdc2206528200cb3438c025c5e (patch) | |
| tree | 1f268d9d146f9c7ed9d1caef3cd9d4aadc1046a9 /gcc/configure.ac | |
| parent | d088d2eb7f2c5e20f0da735cffa5f4e71559f6ce (diff) | |
| download | gcc-2f1e7d0b3cc16bfdc2206528200cb3438c025c5e.tar.gz | |
gcc/
2010-02-20 David S. Miller <davem@davemloft.net>
* configure.ac: Test if linker and assembler properly support
GOTDATA_OP relocations.
* configure: Rebuild.
* config.in: Likewise.
* config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
(movsi_lo_sum_pic): Use %gdop_*() relocs if available.
(movsi_high_pic): Likewise.
(movdi_lo_sum_pic): Likewise.
(movdi_high_pic): Likewise.
(movsi_pic_gotdata_op): New pattern.
(movdi_pic_gotdata_op): Likewise.
* config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@156933 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index cd44af8b35e..fe1ac55d863 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -2944,6 +2944,28 @@ case "$target" in [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, [Define if your assembler supports -relax option.])]) + gcc_GAS_CHECK_FEATURE([GOTDATA_OP relocs], + gcc_cv_as_sparc_gotdata_op,, + [-K PIC], +[.text +foo: + nop +bar: + sethi %gdop_hix22(foo), %g1 + xor %g1, %gdop_lox10(foo), %g1 + ld [[%l7 + %g1]], %g2, %gdop(foo)], + [if test x$gcc_cv_ld != x \ + && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \ + && (test x$gnu_ld_flag = xno \ + || (test x$gcc_cv_objdump != x \ + && $gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \ + | grep ' 03000004 82186004 c405c001'> /dev/null 2>&1)); then + gcc_cv_as_sparc_gotdata_op=yes + fi + rm -f conftest], + [AC_DEFINE(HAVE_AS_SPARC_GOTDATA_OP, 1, + [Define if your assembler and linker support GOTDATA_OP relocs.])]) + gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs], gcc_cv_as_sparc_ua_pcrel,, [-K PIC], |