From 4a97faef7ef7e9b12235adcb98e3e591b0db7122 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Tue, 9 Oct 2012 21:50:09 +0200
Subject: [PATCH] FFI: Compile array/struct copies.

---
 doc/ext_ffi_semantics.html | 1 -
 src/lj_crecord.c           | 6 +++---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/doc/ext_ffi_semantics.html b/doc/ext_ffi_semantics.html
index 498bbbb4..36c3be32 100644
--- a/doc/ext_ffi_semantics.html
+++ b/doc/ext_ffi_semantics.html
@@ -1140,7 +1140,6 @@ The following operations are currently not compiled and may exhibit
 suboptimal performance, especially when used in inner loops:
 </p>
 <ul>
-<li>Array/<tt>struct</tt> copies and bulk initializations.</li>
 <li>Bitfield accesses and initializations.</li>
 <li>Vector operations.</li>
 <li>Table initializers.</li>
diff --git a/src/lj_crecord.c b/src/lj_crecord.c
index 47ae65b4..6a22544a 100644
--- a/src/lj_crecord.c
+++ b/src/lj_crecord.c
@@ -526,11 +526,11 @@ static TRef crec_ct_ct(jit_State *J, CType *d, CType *s, TRef dp, TRef sp,
 
   /* Destination is an array. */
   case CCX(A, A):
-    goto err_nyi;
-
   /* Destination is a struct/union. */
   case CCX(S, S):
-    goto err_nyi;
+    if (dp == 0) goto err_conv;
+    crec_copy(J, dp, sp, lj_ir_kint(J, dsize), d);
+    break;
 
   default:
   err_conv: