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+ - Remove the warning suppression in the ACCESS_MEM macro and fix the
+ warnings that are real
+
+ - It probably makes sense to move the more strange X region API
+ into pixman as well, but guarded with PIXMAN_XORG_COMPATIBILITY
+
+ - Go through things marked FIXME
+
+ - Reinstate the FbBits conditional typedef? At the moment we don't
+ even have the FbBits type; we just use uint32_t everywhere.
+
+ Keith says in bug 2335:
+
+ The 64-bit code in fb (pixman) is probably broken; it hasn't been
+ used in quite some time as PCI (and AGP) is 32-bits wide, so
+ doing things 64-bits at a time is a net loss. To quickly fix
+ this, I suggest just using 32-bit datatypes by setting
+ IC_SHIFT to 5 for all machines.