i965: Check reg.nr for BRW_ARF_NULL instead of reg.file.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index 704f219..a98892b 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -182,7 +182,7 @@ validate_reg(struct brw_instruction *insn, struct brw_reg reg)
    }
 
    if (reg.file == BRW_ARCHITECTURE_REGISTER_FILE &&
-       reg.file == BRW_ARF_NULL)
+       reg.nr == BRW_ARF_NULL)
       return;
 
    assert(reg.hstride >= 0 && reg.hstride < Elements(hstride_for_reg));