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| author | H.J. Lu <hjl.tools@gmail.com> | 2016-06-09 04:38:34 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2016-06-09 04:38:34 -0700 |
| commit | 75437079e4c5a7416052940ca641a41ddbf6f5fd (patch) | |
| tree | 410e4746e0738de1f1ccd6d2a964edebf26640fe | |
| parent | 2df1b9804bcf714dfed12def17f8a518403d8d6b (diff) | |
| download | glibc-75437079e4c5a7416052940ca641a41ddbf6f5fd.tar.gz glibc-75437079e4c5a7416052940ca641a41ddbf6f5fd.tar.xz glibc-75437079e4c5a7416052940ca641a41ddbf6f5fd.zip | |
X86-64: Add dummy memcopy.h and wordcopy.c
Since x86-64 no longer uses memory copy functions, add dummy memcopy.h and wordcopy.c to reduce code size. It reduces the size of libc.so by about 1 KB. * sysdeps/x86_64/memcopy.h: New file. * sysdeps/x86_64/wordcopy.c: Likewise.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/x86_64/memcopy.h | 1 | ||||
| -rw-r--r-- | sysdeps/x86_64/wordcopy.c | 1 |
3 files changed, 7 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index e5a6209053..9c417f2321 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2016-06-09 H.J. Lu <hongjiu.lu@intel.com> + + * sysdeps/x86_64/memcopy.h: New file. + * sysdeps/x86_64/wordcopy.c: Likewise. + 2016-06-09 Florian Weimer <fweimer@redhat.com> Prevent GCC 6 <cstdlib> from including /usr/include/stdlib.h. diff --git a/sysdeps/x86_64/memcopy.h b/sysdeps/x86_64/memcopy.h new file mode 100644 index 0000000000..590b6cb16b --- /dev/null +++ b/sysdeps/x86_64/memcopy.h @@ -0,0 +1 @@ +/* X86-64 doesn't use memory copy functions. */ diff --git a/sysdeps/x86_64/wordcopy.c b/sysdeps/x86_64/wordcopy.c new file mode 100644 index 0000000000..590b6cb16b --- /dev/null +++ b/sysdeps/x86_64/wordcopy.c @@ -0,0 +1 @@ +/* X86-64 doesn't use memory copy functions. */ |