vc4: Don't try the SF coalescing unless it's on a def.
authorEric Anholt <eric@anholt.net>
Mon, 4 Jan 2016 21:56:39 +0000 (13:56 -0800)
committerEric Anholt <eric@anholt.net>
Wed, 6 Jan 2016 20:39:27 +0000 (12:39 -0800)
commit0a89f307f95de3a3357d834f36c60fe803895f8a
tree3b9e0923b53dfc7b4eb8ff052ecccd7ffe03026d
parent1953cee6d7a9d0c948a05ffc7bbafff378cb1751
vc4: Don't try the SF coalescing unless it's on a def.

If you want the SF of the value of a register produced from a series of
packing MOVs or conditional MOVs, we can't just SF on the last MOV into
the register.
src/gallium/drivers/vc4/vc4_qir.c