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| author | Rickard Green <[email protected]> | 2016-02-22 19:20:23 +0100 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2016-02-22 19:20:23 +0100 |
| commit | d14f2d178d8abcaebd5b14e25ca8ac9a71775271 (patch) | |
| tree | c7ac393d108c3564a9b3c06b66eb6f0f131d12c7 /erts/include/internal/ethread_header_config.h.in | |
| parent | 5c1d88266274d40a8702a8f66c8cbd4e0f0c15f3 (diff) | |
| parent | 661aeed3ef57de87330123adf6100e179fd7dad0 (diff) | |
| download | otp-d14f2d178d8abcaebd5b14e25ca8ac9a71775271.tar.gz otp-d14f2d178d8abcaebd5b14e25ca8ac9a71775271.tar.bz2 otp-d14f2d178d8abcaebd5b14e25ca8ac9a71775271.zip | |
Merge branch 'rickard/gcc5-pic-cmpxchg8b/OTP-13326' into maint
* rickard/gcc5-pic-cmpxchg8b/OTP-13326:
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 |