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| author | Rickard Green <[email protected]> | 2016-02-22 19:21:45 +0100 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2016-02-22 19:21:45 +0100 |
| commit | d8699b0ca6a4e52bc04cb439d225da147161258c (patch) | |
| tree | 07866379d83e4a2e037099e267de05b384b80c01 /erts/include/internal/ethread_header_config.h.in | |
| parent | 167675dcb94e3809a224d3b4293594717cec48d9 (diff) | |
| parent | 3ac4a18199b9f35224624851b01a0d3cb6e8e0e1 (diff) | |
| download | otp-d8699b0ca6a4e52bc04cb439d225da147161258c.tar.gz otp-d8699b0ca6a4e52bc04cb439d225da147161258c.tar.bz2 otp-d8699b0ca6a4e52bc04cb439d225da147161258c.zip | |
Merge branch 'maint'
* maint:
Improve cmpxchg8b/cmpxchg16b inline asm
Improve cmpxchg8b inline asm configure test
Diffstat (limited to 'erts/include/internal/ethread_header_config.h.in')
| -rw-r--r-- | erts/include/internal/ethread_header_config.h.in | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/erts/include/internal/ethread_header_config.h.in b/erts/include/internal/ethread_header_config.h.in index 9cabd0591a..f4b08cfced 100644 --- a/erts/include/internal/ethread_header_config.h.in +++ b/erts/include/internal/ethread_header_config.h.in @@ -166,6 +166,10 @@ /* Define if you use a gcc that supports the double word cmpxchg instruction */ #undef ETHR_GCC_HAVE_DW_CMPXCHG_ASM_SUPPORT +/* Define if gcc wont let you clobber ebx with cmpxchg8b and position + independent code */ +#undef ETHR_CMPXCHG8B_PIC_NO_CLOBBER_EBX + /* Define if you get a register shortage with cmpxchg8b and position independent code */ #undef ETHR_CMPXCHG8B_REGISTER_SHORTAGE |