From: Tom Stellard <tstellar@gmail.com>
Date: Mon, 2 Aug 2010 03:06:53 +0000 (-0700)
Subject: r300/compiler: KILP may not always be inside an IF statement.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9dcc5006660037665fe98bf2d9fb966e620a038b;p=mesa.git

r300/compiler: KILP may not always be inside an IF statement.
---

diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
index 3cc28972934..857aae55145 100644
--- a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
+++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
@@ -988,17 +988,22 @@ void radeonTransformKILP(struct radeon_compiler * c)
 	for (inst = c->Program.Instructions.Next;
 			inst != &c->Program.Instructions; inst = inst->Next) {
 
-		if (inst->U.I.Opcode != RC_OPCODE_KILP
-			|| inst->Prev->U.I.Opcode != RC_OPCODE_IF
-			|| inst->Next->U.I.Opcode != RC_OPCODE_ENDIF) {
+		if (inst->U.I.Opcode != RC_OPCODE_KILP)
 			continue;
-		}
+
 		inst->U.I.Opcode = RC_OPCODE_KIL;
-		inst->U.I.SrcReg[0] = negate(absolute(inst->Prev->U.I.SrcReg[0]));
 
-		/* Remove IF */
-		rc_remove_instruction(inst->Prev);
-		/* Remove ENDIF */
-		rc_remove_instruction(inst->Next);
+		if (inst->Prev->U.I.Opcode != RC_OPCODE_IF
+				|| inst->Next->U.I.Opcode != RC_OPCODE_ENDIF) {
+			inst->U.I.SrcReg[0] = negate(builtin_one);
+		} else {
+
+			inst->U.I.SrcReg[0] =
+				negate(absolute(inst->Prev->U.I.SrcReg[0]));
+			/* Remove IF */
+			rc_remove_instruction(inst->Prev);
+			/* Remove ENDIF */
+			rc_remove_instruction(inst->Next);
+		}
 	}
 }