diff options
| author | Cherry Zhang <cherryyz@google.com> | 2019-05-08 17:40:45 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2019-05-08 17:40:45 +0000 |
| commit | fbe4e644c0c8f1303ec91a25b8da6e626976500c (patch) | |
| tree | 87a1cfc98677c590f437af9209a3c78b34b5e9ef /libgo/go/runtime | |
| parent | 5345ac5a110a5fcafaa9bdf3116b8252de2d96c6 (diff) | |
runtime: use builtin memmove directly
We can use the intrinsic memmove directly, without going through
C.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/170004
* go-gcc.cc (Gcc_backend::Gcc_backend): Define memmove builtin.
From-SVN: r271016
Diffstat (limited to 'libgo/go/runtime')
| -rw-r--r-- | libgo/go/runtime/stubs.go | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libgo/go/runtime/stubs.go b/libgo/go/runtime/stubs.go index dfdb38e8010..435cdf7ce92 100644 --- a/libgo/go/runtime/stubs.go +++ b/libgo/go/runtime/stubs.go @@ -100,6 +100,7 @@ func reflect_memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) { // memmove copies n bytes from "from" to "to". //go:noescape +//extern __builtin_memmove func memmove(to, from unsafe.Pointer, n uintptr) //go:linkname reflect_memmove reflect.memmove |