From 1b648326acf6189b89f8e6cb3ca3ccf23a833d2a Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Date: Thu, 16 Apr 2026 11:49:06 -0400
Subject: [PATCH] jay: refuse to propagate ADDRESS copies

at least until we have address RA..

Totals:
Instrs: 2764282 -> 2764288 (+0.00%)
CodeSize: 44299872 -> 44299920 (+0.00%)

Totals from 2 (0.08% of 2647) affected shaders:
Instrs: 4215 -> 4221 (+0.14%)
CodeSize: 67456 -> 67504 (+0.07%)

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41064>
---
 src/intel/compiler/jay/jay_opt_propagate.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/intel/compiler/jay/jay_opt_propagate.c b/src/intel/compiler/jay/jay_opt_propagate.c
index 5cf5ebfb6b8..8c3e3c8e587 100644
--- a/src/intel/compiler/jay/jay_opt_propagate.c
+++ b/src/intel/compiler/jay/jay_opt_propagate.c
@@ -347,7 +347,8 @@ propagate_backwards(jay_function *f)
       if (!flag &&
           I->type == use->type &&
           I->op != JAY_OPCODE_PHI_DST &&
-          use->op == JAY_OPCODE_MOV) {
+          use->op == JAY_OPCODE_MOV &&
+          use->dst.file != J_ADDRESS) {
 
          I->dst = use->dst;
          jay_remove_instruction(use);