Fix memmory access; add call instruction

1 files changed, 15 insertions, 0 deletions

diff --git a/TODO b/TODO
index 9063f91..8a27080 100644
--- a/TODO
+++ b/TODO
@@ -89,6 +89,21 @@
     are the same, then finally two different versions generate the
     final write to the destination.
 
+- Backwards vs. forwards
+
+  The code currently in testjit iterates backwards over each line. It
+  may be a little better to go forward. This could be done by
+
+      - initializing the line to (line + w * bpp)
+      - initializing w to -width
+      - not having a displacement:
+
+      	    movq (line, w, bpp), xmm0
+
+	and 
+
+	    add 2, width
+
 - It is important that the register allocator is not too dumb
 
      - EAX is the only register we can use for multiplication