freedreno/a3xx/compiler: fix p0 (kill, etc)

Don't assert (debug builds) or assign random uninitialized value for
predicate register (p0).. that screws up kill, etc.

Signed-off-by: Rob Clark <robclark@freedesktop.org>

diff --git a/src/gallium/drivers/freedreno/a3xx/ir3_ra.c b/src/gallium/drivers/freedreno/a3xx/ir3_ra.c
index a9a510f..67f92e6 100644 (file)
--- a/src/gallium/drivers/freedreno/a3xx/ir3_ra.c
+++ b/src/gallium/drivers/freedreno/a3xx/ir3_ra.c
@@ -576,7 +576,8 @@ static void ir3_instr_ra(struct ir3_ra_ctx *ctx,
                dst->flags &= ~IR3_REG_ADDR;
                num = regid(REG_A0, 0) | REG_HALF;
        } else {
-               assert(0);
+               /* predicate register (p0).. etc */
+               return;
        }
 
        ra_assign(ctx, instr, num);