r300/compiler: r500 hw support for break and continue in loops.

The BGNLOOP and ENDLOOP instructions are now being used correctly, which
makes break and continue possible.  The deadcode pass has been modified to
handle breaks, and the compiler is more careful about which loops are
unrolled.

1 files changed, 0 insertions, 25 deletions

diff --git a/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c
index e6b5522c5b..95be619d5d 100644
--- a/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c
+++ b/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c
@@ -60,31 +60,6 @@ int r500_transform_IF(
 	return 1;
 }
 
-/**
- * Rewrite loops to make them easier to emit.  This is not a local
- * transformation, because it modifies and reorders an entire block of code.
- */
-void r500_transform_unroll_loops(struct radeon_compiler * c,
-						struct emulate_loop_state *s)
-{
-	int i;
-	
-	rc_transform_unroll_loops(c, s);
-	
-	for( i = s->LoopCount - 1; i >= 0; i-- ){
-		struct rc_instruction * inst_continue;
-		if(!s->Loops[i].EndLoop){
-			continue;
-		}
-		/* Insert a continue instruction at the end of the loop.  This
-		 * is required in order to emit loops correctly. */
-		inst_continue = rc_insert_new_instruction(c,
-						s->Loops[i].EndIf->Prev);
-		inst_continue->U.I.Opcode = RC_OPCODE_CONTINUE;
-	}
-
-}
-
 static int r500_swizzle_is_native(rc_opcode opcode, struct rc_src_register reg)
 {
 	unsigned int relevant;