php/archived-php-src
1
0
Fork 0
mirror of https://github.com/php/php-src.git synced 2026-04-24 08:28:26 +02:00
Code Issues Packages Projects Releases Wiki Activity

Fixed possible incorrect register usage

Browse Source
This commit is contained in:
Dmitry Stogov
2020-10-02 10:48:45 +03:00
parent d7243ce291
commit fbf153a210
1 changed files with 6 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
ext/opcache/jit/zend_jit_x86.dasc
+6 -1
View File
@@ -4797,7 +4797,12 @@ static int zend_jit_long_math_helper(dasm_State **Dst,
if (opcode == ZEND_MOD) {
result_reg = ZREG_RAX;
} else if (Z_MODE(res_addr) == IS_REG) {
result_reg = Z_REG(res_addr);
if ((opline->opcode == ZEND_SL || opline->opcode == ZEND_SR)
&& opline->op2_type != IS_CONST) {
result_reg = ZREG_R0;
} else {
result_reg = Z_REG(res_addr);
}
} else if (Z_MODE(op1_addr) == IS_REG && Z_LAST_USE(op1_addr)) {
result_reg = Z_REG(op1_addr);
} else if (Z_REG(res_addr) != ZREG_R0) {