i965: Split FS_OPCODE_DISCARD into two steps.
authorEric Anholt <eric@anholt.net>
Sun, 10 Oct 2010 18:54:05 +0000 (11:54 -0700)
committerEric Anholt <eric@anholt.net>
Mon, 11 Oct 2010 18:52:01 +0000 (11:52 -0700)
commit90c402204018c78f4a0b8a79515cf8c582092963
treee832a1dba9594ca21072855f6c594cdf5b74c53d
parent986cb9d5cf60bc11c7facc19017b5432b17240f7
i965: Split FS_OPCODE_DISCARD into two steps.

Having the single opcode write then read the reg meant that single
instruction opcodes had to consider their source regs to interfere
with their dest regs.
src/mesa/drivers/dri/i965/brw_fs.cpp