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| author | Lynn Boger <laboger@linux.vnet.ibm.com> | 2015-09-30 18:06:11 -0500 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2015-09-30 23:06:11 +0000 |
| commit | 402565b61f9783473472fcfd729efa8c1e355d2b (patch) | |
| tree | 37eb8b2f85d9a656044717d6a82ffa026692d05c /gcc/config/rs6000/sysv4.h | |
| parent | 7dc396e20f0efa59cad65d95d53ff1541d9ae807 (diff) | |
| download | gcc-402565b61f9783473472fcfd729efa8c1e355d2b.zip gcc-402565b61f9783473472fcfd729efa8c1e355d2b.tar.gz gcc-402565b61f9783473472fcfd729efa8c1e355d2b.tar.bz2 | |
re PR go/66870 (split stack issues on ppc64le and ppc64)
PR target/66870
* config/rs6000/sysv4.h (TARGET_CAN_SPLIT_STACK_64BIT): Define.
* configure.ac: Define HAVE_GOLD_ALTERNATE_SPLIT_STACK on Power
based on gold linker version.
* gcc.c: Add -fuse-ld=gold to STACK_SPLIT_SPEC if
HAVE_GOLD_ALTERNATE_SPLIT_STACK defined.
* configure, config.in: Regenerate.
go:
* gospec.c (lang_specific_driver): Set appropriate split stack
options for 64 bit compiles based on TARGET_CAN_SPLIT_STACK_64BIT.
From-SVN: r228311
Diffstat (limited to 'gcc/config/rs6000/sysv4.h')
| -rw-r--r-- | gcc/config/rs6000/sysv4.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h index f48af43..7b2f9bd 100644 --- a/gcc/config/rs6000/sysv4.h +++ b/gcc/config/rs6000/sysv4.h @@ -940,6 +940,14 @@ ncrtn.o%s" #undef TARGET_ASAN_SHADOW_OFFSET #define TARGET_ASAN_SHADOW_OFFSET rs6000_asan_shadow_offset +/* On ppc64 and ppc64le, split stack is only support for + 64 bit. */ +#undef TARGET_CAN_SPLIT_STACK_64BIT +#if TARGET_GLIBC_MAJOR > 2 \ + || (TARGET_GLIBC_MAJOR == 2 && TARGET_GLIBC_MINOR >= 18) +#define TARGET_CAN_SPLIT_STACK_64BIT +#endif + /* This target uses the sysv4.opt file. */ #define TARGET_USES_SYSV4_OPT 1 |