From: Rob Clark <robdclark@gmail.com>
Date: Mon, 15 Jan 2018 19:58:41 +0000 (-0500)
Subject: freedreno/ir3: avoid some spurious sync bits
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=44dd7dcd2fb0d59cf33bad5313bd45b583002ae4;p=mesa.git

freedreno/ir3: avoid some spurious sync bits

Signed-off-by: Rob Clark <robdclark@gmail.com>
---

diff --git a/src/gallium/drivers/freedreno/ir3/ir3_legalize.c b/src/gallium/drivers/freedreno/ir3/ir3_legalize.c
index b4d5db58ccb..9d443d72c33 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_legalize.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_legalize.c
@@ -116,6 +116,7 @@ legalize_block(struct ir3_legalize_ctx *ctx, struct ir3_block *block)
 				 */
 				if (regmask_get(&needs_ss, reg)) {
 					n->flags |= IR3_INSTR_SS;
+					regmask_init(&needs_ss_war);
 					regmask_init(&needs_ss);
 				}
 
@@ -137,7 +138,8 @@ legalize_block(struct ir3_legalize_ctx *ctx, struct ir3_block *block)
 			reg = n->regs[0];
 			if (regmask_get(&needs_ss_war, reg)) {
 				n->flags |= IR3_INSTR_SS;
-				regmask_init(&needs_ss_war); // ??? I assume?
+				regmask_init(&needs_ss_war);
+				regmask_init(&needs_ss);
 			}
 
 			if (last_rel && (reg->num == regid(REG_A0, 0))) {