r600g: Check for relative addressing in destination register when trying to merge...

Signed-off-by: Henri Verbeet <hverbeet@gmail.com>

diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c
index 240093f..c22bd8e 100644 (file)
--- a/src/gallium/drivers/r600/r600_asm.c
+++ b/src/gallium/drivers/r600/r600_asm.c
@@ -953,10 +953,17 @@ static int merge_inst_groups(struct r600_bc *bc, struct r600_bc_alu *slots[5],
                } else
                        result[i] = slots[i];
 
-               // let's check source gprs
                alu = slots[i];
                num_once_inst += is_alu_once_inst(bc, alu);
 
+               // let's check dst gpr
+               if (alu->dst.rel) {
+                       if (have_mova)
+                               return 0;
+                       have_rel = 1;
+               }
+
+               // let's check source gprs
                num_src = r600_bc_get_num_operands(bc, alu);
                for (src = 0; src < num_src; ++src) {
                        if (alu->src[src].rel) {