freedreno/ir3: fix # of registers

The instruction encoding allows for more registers, but at least on
a3xx/a4xx they don't actually exist.

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

diff --git a/src/gallium/drivers/freedreno/ir3/ir3_ra.c b/src/gallium/drivers/freedreno/ir3/ir3_ra.c
index e0c3c80..f70c779 100644 (file)
--- a/src/gallium/drivers/freedreno/ir3/ir3_ra.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_ra.c
@@ -98,7 +98,7 @@ static const unsigned half_class_sizes[] = {
 #define total_class_count (class_count + half_class_count)
 
 /* Below a0.x are normal regs.  RA doesn't need to assign a0.x/p0.x. */
-#define NUM_REGS             (4 * (REG_A0 - 1))
+#define NUM_REGS             (4 * 48)
 /* Number of virtual regs in a given class: */
 #define CLASS_REGS(i)        (NUM_REGS - (class_sizes[i] - 1))
 #define HALF_CLASS_REGS(i)   (NUM_REGS - (half_class_sizes[i] - 1))