From: Dmitry Stogov <dmitry@zend.com>
Date: Wed, 25 Nov 2020 00:49:42 +0000 (+0300)
Subject: Use diferent temporary register (%r0 may keep a method address)
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=cb399d0410e66275fef6e1e9c86cf1b11e790fe3;p=php

Use diferent temporary register (%r0 may keep a method address)
---

diff --git a/ext/opcache/jit/zend_jit_x86.dasc b/ext/opcache/jit/zend_jit_x86.dasc
index e2ee7e6bd2..3ce798ecd2 100644
--- a/ext/opcache/jit/zend_jit_x86.dasc
+++ b/ext/opcache/jit/zend_jit_x86.dasc
@@ -14196,10 +14196,10 @@ static int zend_jit_load_this(dasm_State **Dst, uint32_t var)
 {
 	zend_jit_addr var_addr = ZEND_ADDR_MEM_ZVAL(ZREG_FP, var);
 
-	|	mov r0, aword EX->This.value.ptr
-	|	SET_ZVAL_PTR var_addr, r0
+	|	mov FCARG1a, aword EX->This.value.ptr
+	|	SET_ZVAL_PTR var_addr, FCARG1a
 	|	SET_ZVAL_TYPE_INFO var_addr, IS_OBJECT_EX
-	|	GC_ADDREF r0
+	|	GC_ADDREF FCARG1a
 
 	return 1;
 }