Lots more opcodes including float support. Define float and double to be the

same thing (as the VC4 seems not to have double-precision float support).

--HG--
branch : dtrg-videocore

plat/rpi/build.mk

@@ -12,6 +12,7 @@ OPTIMISATION := -O
 D := plat/rpi/
 
 platform-headers := \
+	unistd.h \
 	ack/config.h
 
 platform-libsys := \

plat/rpi/descr

@@ -7,7 +7,7 @@ var p=4
 var s=2
 var l=4
 var f=4
-var d=8
+var d=4
 var ARCH=vc4
 var PLATFORM=rpi
 var PLATFORMDIR={EM}/share/ack/{PLATFORM}