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

[Rob Clark]

Module: Mesa
Branch: master
Commit: 2f181bc3919b87b8bebfae7ad8568330d1780193
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2f181bc3919b87b8bebfae7ad8568330d1780193

Author: Rob Clark <robclark at freedesktop.org>
Date:   Wed Jul 23 15:08:40 2014 -0400

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 at freedesktop.org>

---

 src/gallium/drivers/freedreno/a3xx/ir3_ra.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/freedreno/a3xx/ir3_ra.c b/src/gallium/drivers/freedreno/a3xx/ir3_ra.c
index a9a510f..67f92e6 100644
--- 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);