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authorH.J. Lu <hjl.tools@gmail.com>2016-06-09 04:38:34 -0700
committerH.J. Lu <hjl.tools@gmail.com>2016-06-09 04:38:34 -0700
commit75437079e4c5a7416052940ca641a41ddbf6f5fd (patch)
tree410e4746e0738de1f1ccd6d2a964edebf26640fe /sysdeps
parent2df1b9804bcf714dfed12def17f8a518403d8d6b (diff)
downloadglibc-75437079e4c5a7416052940ca641a41ddbf6f5fd.tar.gz
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.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/x86_64/memcopy.h1
-rw-r--r--sysdeps/x86_64/wordcopy.c1
2 files changed, 2 insertions, 0 deletions
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. */