1--TEST-- 2JIT MUL: 004 Overflow check for optmizing MUL to SHIFT 3--INI-- 4opcache.enable=1 5opcache.enable_cli=1 6opcache.file_update_protection=0 7;opcache.jit_debug=257 8--EXTENSIONS-- 9opcache 10--SKIPIF-- 11<?php 12if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only"); 13?> 14--FILE-- 15<?php 16 17function mul2_8(int $a) { 18 $res = $a * 8; // shift cnt: 3 19 var_dump($res); 20} 21 22function mul1_16(int $a) { 23 $res = 16 * $a; // shift cnt: 4 24 var_dump($res); 25} 26 27function mul2_big_int32(int $a) { 28 $res = $a * 0x10000000; // shift cnt: 29 29 var_dump($res); 30} 31 32function mul2_big_int64(int $a) { 33 $res = $a * 0x100000000; // shift cnt: 32 34 var_dump($res); 35} 36 37function mul2(int $a) { 38 $res = $a * 2; // $a + $a 39 var_dump($res); 40} 41 42mul2_8(3); 43mul2_8(-11); 44mul2_8(0x7fffffffffffffff); 45mul1_16(3); 46mul1_16(-13); 47mul1_16(0x7fffffffffffffff); 48mul2_big_int32(3); 49mul2_big_int32(-3); 50mul2_big_int32(0x10000000000); 51mul2_big_int64(3); 52mul2_big_int64(-3); 53mul2_big_int64(0x100000000); 54mul2(10); 55mul2(0x7fffffffffffffff); 56?> 57--EXPECT-- 58int(24) 59int(-88) 60float(7.378697629483821E+19) 61int(48) 62int(-208) 63float(1.4757395258967641E+20) 64int(805306368) 65int(-805306368) 66float(2.9514790517935283E+20) 67int(12884901888) 68int(-12884901888) 69float(1.8446744073709552E+19) 70int(20) 71float(1.8446744073709552E+19) 72
