Rich Felker 5a9c8c05a5 mitigate performance regression in libc-internal locks on x86_64 ...

commit 3c43c0761e1725fd5f89a9c028cbf43250abb913 fixed missing
synchronization in the atomic store operation for i386 and x86_64, but
opted to use mfence for the barrier on x86_64 where it's always
available. however, in practice mfence is significantly slower than
the barrier approach used on i386 (a nop-like lock orl operation).
this commit changes x86_64 (and x32) to use the faster barrier.

2015-08-16 18:15:18 +00:00

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bits

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src

fix dangling pointers in x32 syscall timespec fixup code

2015-05-01 21:22:27 -04:00

atomic.h

mitigate performance regression in libc-internal locks on x86_64

2015-08-16 18:15:18 +00:00

crt_arch.h

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pthread_arch.h

fix stack protector crashes on x32 & powerpc due to misplaced TLS canary

2015-05-06 18:37:19 -04:00

reloc.h

fix breakage in x32 dynamic linker due to mismatching register size

2015-04-20 18:17:48 -04:00

syscall_arch.h

fix dangling pointers in x32 syscall timespec fixup code

2015-05-01 21:22:27 -04:00