23 lines
702 B
ArmAsm
23 lines
702 B
ArmAsm
# expected: 0000000000000000, 000000003fffffff, ffffffffc0000000, ffffffffffffffff, ffffffffffffffff
|
|
.text
|
|
_start:
|
|
# Test 1: 1 >> 1 => 0
|
|
li x1, 1
|
|
sraiw x31, x1, 1 # x31 = 0
|
|
|
|
# Test 2: 0x7fffffff >> 1 => 0x3fffffff
|
|
li x1, 0x7fffffff
|
|
sraiw x31, x1, 1 # x31 = 0x000000003fffffff
|
|
|
|
# Test 3: 0x80000000 >> 1 => 0xc0000000 (sign-extended)
|
|
li x1, 0x80000000
|
|
sraiw x31, x1, 1 # x31 = 0xffffffffc0000000
|
|
|
|
# Test 4: 0x80000000 >> 31 => 0xffffffff (-1)
|
|
li x1, 0x80000000
|
|
sraiw x31, x1, 31 # x31 = 0xffffffffffffffff
|
|
|
|
# Test 5: 0xffffffff >> 31 => 0xffffffff (-1)
|
|
li x1, -1
|
|
sraiw x31, x1, 31 # x31 = 0xffffffffffffffff
|