xref: /llvm-project/llvm/test/MC/LoongArch/Basic/Integer/bit-shift.s (revision 7898587e948cc24af6e22f86c921949169f4f87b) 
1## Test valid bit shift instructions.
2
3# RUN: llvm-mc %s --triple=loongarch32 --show-encoding \
4# RUN:     | FileCheck --check-prefixes=CHECK-ASM,CHECK-ASM-AND-OBJ %s
5# RUN: llvm-mc %s --triple=loongarch64 --show-encoding --defsym=LA64=1 \
6# RUN:     | FileCheck --check-prefixes=CHECK-ASM,CHECK-ASM-AND-OBJ,CHECK64-ASM,CHECK64-ASM-AND-OBJ %s
7# RUN: llvm-mc %s --triple=loongarch32 --filetype=obj | llvm-objdump -d - \
8# RUN:     | FileCheck --check-prefixes=CHECK-ASM-AND-OBJ %s
9# RUN: llvm-mc %s --triple=loongarch64 --filetype=obj --defsym=LA64=1 | llvm-objdump -d - \
10# RUN:     | FileCheck --check-prefixes=CHECK-ASM-AND-OBJ,CHECK64-ASM-AND-OBJ %s
11
12#############################################################
13## Instructions for both loongarch32 and loongarch64
14#############################################################
15
16# CHECK-ASM-AND-OBJ: sll.w $s1, $s4, $s0
17# CHECK-ASM: encoding: [0x78,0x5f,0x17,0x00]
18sll.w $s1, $s4, $s0
19
20# CHECK-ASM-AND-OBJ: srl.w $s8, $t5, $a3
21# CHECK-ASM: encoding: [0x3f,0x9e,0x17,0x00]
22srl.w $s8, $t5, $a3
23
24# CHECK-ASM-AND-OBJ: sra.w $t0, $s5, $a6
25# CHECK-ASM: encoding: [0x8c,0x2b,0x18,0x00]
26sra.w $t0, $s5, $a6
27
28# CHECK-ASM-AND-OBJ: rotr.w $ra, $s3, $t6
29# CHECK-ASM: encoding: [0x41,0x4b,0x1b,0x00]
30rotr.w $ra, $s3, $t6
31
32# CHECK-ASM-AND-OBJ: slli.w $s3, $t6, 0
33# CHECK-ASM: encoding: [0x5a,0x82,0x40,0x00]
34slli.w $s3, $t6, 0
35
36# CHECK-ASM-AND-OBJ: srli.w $a6, $t2, 30
37# CHECK-ASM: encoding: [0xca,0xf9,0x44,0x00]
38srli.w $a6, $t2, 30
39
40# CHECK-ASM-AND-OBJ: srai.w $a4, $t5, 24
41# CHECK-ASM: encoding: [0x28,0xe2,0x48,0x00]
42srai.w $a4, $t5, 24
43
44# CHECK-ASM-AND-OBJ: rotri.w $s0, $t8, 23
45# CHECK-ASM: encoding: [0x97,0xde,0x4c,0x00]
46rotri.w $s0, $t8, 23
47
48
49#############################################################
50## Instructions only for loongarch64
51#############################################################
52
53.ifdef LA64
54
55# CHECK64-ASM-AND-OBJ: sll.d $t8, $t3, $sp
56# CHECK64-ASM: encoding: [0xf4,0x8d,0x18,0x00]
57sll.d $t8, $t3, $sp
58
59# CHECK64-ASM-AND-OBJ: srl.d $t2, $s2, $zero
60# CHECK64-ASM: encoding: [0x2e,0x03,0x19,0x00]
61srl.d $t2, $s2, $zero
62
63# CHECK64-ASM-AND-OBJ: sra.d $a3, $fp, $s8
64# CHECK64-ASM: encoding: [0xc7,0xfe,0x19,0x00]
65sra.d $a3, $fp, $s8
66
67# CHECK64-ASM-AND-OBJ: rotr.d $s8, $sp, $ra
68# CHECK64-ASM: encoding: [0x7f,0x84,0x1b,0x00]
69rotr.d $s8, $sp, $ra
70
71# CHECK64-ASM-AND-OBJ: slli.d $a6, $s8, 39
72# CHECK64-ASM: encoding: [0xea,0x9f,0x41,0x00]
73slli.d $a6, $s8, 39
74
75# CHECK64-ASM-AND-OBJ: srli.d $s8, $fp, 38
76# CHECK64-ASM: encoding: [0xdf,0x9a,0x45,0x00]
77srli.d $s8, $fp, 38
78
79# CHECK64-ASM-AND-OBJ: srai.d $a5, $r21, 27
80# CHECK64-ASM: encoding: [0xa9,0x6e,0x49,0x00]
81srai.d $a5, $r21, 27
82
83# CHECK64-ASM-AND-OBJ: rotri.d $s6, $zero, 7
84# CHECK64-ASM: encoding: [0x1d,0x1c,0x4d,0x00]
85rotri.d $s6, $zero, 7
86
87.endif
88
89