add unaligned_store()

Don't know why I never wrote unaligned_store() to mirror
unaligned_load(), but now I have.  This replaces all
remaining memcpy() in SkJumper_stages.cpp, which is nice.

The generated stage code didn't change.

Change-Id: I714c1072a975d7fa268a4b06c13f06557bf0c12c
Reviewed-on: https://skia-review.googlesource.com/16870
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/jumper/SkJumper_misc.h b/src/jumper/SkJumper_misc.h
index de747899a7..fd3e8fbfaf 100644
--- a/src/jumper/SkJumper_misc.h
+++ b/src/jumper/SkJumper_misc.h
@@ -27,6 +27,11 @@ SI T unaligned_load(const P* p) {  // const void* would work too, but const P* h
     return v;
 }
 
+template <typename T, typename P>
+SI void unaligned_store(P* p, T v) {
+    memcpy(p, &v, sizeof(v));
+}
+
 template <typename Dst, typename Src>
 SI Dst bit_cast(const Src& src) {
     static_assert(sizeof(Dst) == sizeof(Src), "");