diff options
| author | Richard Henderson <rth@redhat.com> | 2014-05-25 14:57:53 -0400 |
|---|---|---|
| committer | Richard Henderson <rth@redhat.com> | 2014-05-29 12:37:24 -0400 |
| commit | b5be4597716eff94149f5529c8eb2cd3b4296188 (patch) | |
| tree | 70bacc7639c71fea51ace01baee640ce3fd6e8df /ChangeLog | |
| parent | 645d44abe3ca6253a9d4762f092e4a1b9d294b11 (diff) | |
| download | glibc-b5be4597716eff94149f5529c8eb2cd3b4296188.tar.gz glibc-b5be4597716eff94149f5529c8eb2cd3b4296188.tar.xz glibc-b5be4597716eff94149f5529c8eb2cd3b4296188.zip | |
aarch64: Improve syscall-cancel stack frame
One push instead of N; use stp/ldp to halve the insns.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 3a20a6520d..26812de5f1 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,15 @@ 2014-05-29 Richard Henderson <rth@twiddle.net> + * sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h (PSEUDO): + Always allocate 64 bytes of stack frame. Use ldp/stp to create + it and break it down. + (DOCARGS_0, DOCARGS_1): Do nothing. + (DOCARGS_2): Update to store into the new stack frame. + (DOCARGS_3, DOCARGS_4, DOCARGS_5, DOCARGS_6): Likewise. + (UNDOCARGS_1): Update to restore from the new stack frame. + (UNDOCARGS_2, UNDOCARGS_3, UNDOCARGS_4): Likewise. + (UNDOCARGS_5, UNDOCARGS_6): Likewise. + * sysdeps/unix/sysv/linux/aarch64/nptl/sysdep-cancel.h (SINGLE_THREAD_P): New parameter for result regno. (PSEUDO): Update to match; use cbz instead of beq. |