xref: /llvm-project/llvm/test/MC/AArch64/brbe.s (revision 643e3c90761f30194a76671065d221d3cb71a199) 
1// RUN: not llvm-mc -triple aarch64 -mattr +brbe -show-encoding %s 2>%t | FileCheck %s
2// RUN: FileCheck --check-prefix=ERROR %s < %t
3// RUN: not llvm-mc -triple aarch64 -show-encoding %s 2>%t
4// RUN: FileCheck --check-prefix=ERROR-NO-BRBE %s < %t
5
6msr BRBCR_EL1, x0
7mrs x1, BRBCR_EL1
8// CHECK: msr     BRBCR_EL1, x0           // encoding: [0x00,0x90,0x11,0xd5]
9// CHECK: mrs     x1, BRBCR_EL1           // encoding: [0x01,0x90,0x31,0xd5]
10// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
11// ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
12
13msr BRBCR_EL12, x2
14mrs x3, BRBCR_EL12
15// CHECK: msr     BRBCR_EL12, x2          // encoding: [0x02,0x90,0x15,0xd5]
16// CHECK: mrs     x3, BRBCR_EL12          // encoding: [0x03,0x90,0x35,0xd5]
17// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
18// ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
19
20msr BRBCR_EL2, x4
21mrs x5, BRBCR_EL2
22// CHECK: msr     BRBCR_EL2, x4           // encoding: [0x04,0x90,0x14,0xd5]
23// CHECK: mrs     x5, BRBCR_EL2           // encoding: [0x05,0x90,0x34,0xd5]
24// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
25// ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
26
27msr BRBFCR_EL1, x6
28mrs x7, BRBFCR_EL1
29// CHECK: msr     BRBFCR_EL1, x6          // encoding: [0x26,0x90,0x11,0xd5]
30// CHECK: mrs     x7, BRBFCR_EL1          // encoding: [0x27,0x90,0x31,0xd5]
31// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
32// ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
33
34msr BRBIDR0_EL1, x8
35mrs x9, BRBIDR0_EL1
36// ERROR: [[@LINE-2]]:5: error: expected writable system register
37// CHECK: mrs     x9, BRBIDR0_EL1         // encoding: [0x09,0x92,0x31,0xd5]
38// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
39// ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
40
41msr BRBINFINJ_EL1, x10
42mrs x11, BRBINFINJ_EL1
43// CHECK: msr     BRBINFINJ_EL1, x10      // encoding: [0x0a,0x91,0x11,0xd5]
44// CHECK: mrs     x11, BRBINFINJ_EL1      // encoding: [0x0b,0x91,0x31,0xd5]
45// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
46// ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
47
48msr BRBSRCINJ_EL1, x12
49mrs x13, BRBSRCINJ_EL1
50// CHECK: msr     BRBSRCINJ_EL1, x12      // encoding: [0x2c,0x91,0x11,0xd5]
51// CHECK: mrs     x13, BRBSRCINJ_EL1      // encoding: [0x2d,0x91,0x31,0xd5]
52// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
53// ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
54
55msr BRBTGTINJ_EL1, x14
56mrs x15, BRBTGTINJ_EL1
57// CHECK: msr     BRBTGTINJ_EL1, x14      // encoding: [0x4e,0x91,0x11,0xd5]
58// CHECK: mrs     x15, BRBTGTINJ_EL1      // encoding: [0x4f,0x91,0x31,0xd5]
59// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
60// ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
61
62msr BRBTS_EL1, x16
63mrs x17, BRBTS_EL1
64// CHECK: msr     BRBTS_EL1, x16          // encoding: [0x50,0x90,0x11,0xd5]
65// CHECK: mrs     x17, BRBTS_EL1          // encoding: [0x51,0x90,0x31,0xd5]
66// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
67// ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
68
69// Rather than testing all 32 registers in the three BRBINF/BRBSRC/BRBTGT
70// families, I'll test a representative sample, including all bits clear,
71// all bits set, each bit set individually, and a couple of intermediate
72// patterns.
73
74msr BRBINF0_EL1, x18
75mrs x19, BRBINF0_EL1
76// ERROR: [[@LINE-2]]:5: error: expected writable system register
77// CHECK: mrs     x19, BRBINF0_EL1        // encoding: [0x13,0x80,0x31,0xd5]
78// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
79// ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
80
81msr BRBINF1_EL1, x20
82mrs x21, BRBINF1_EL1
83// ERROR: [[@LINE-2]]:5: error: expected writable system register
84// CHECK: mrs     x21, BRBINF1_EL1        // encoding: [0x15,0x81,0x31,0xd5]
85// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
86// ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
87
88msr BRBINF2_EL1, x22
89mrs x23, BRBINF2_EL1
90// ERROR: [[@LINE-2]]:5: error: expected writable system register
91// CHECK: mrs     x23, BRBINF2_EL1        // encoding: [0x17,0x82,0x31,0xd5]
92// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
93// ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
94
95msr BRBSRC4_EL1, x24
96mrs x25, BRBSRC4_EL1
97// ERROR: [[@LINE-2]]:5: error: expected writable system register
98// CHECK: mrs     x25, BRBSRC4_EL1        // encoding: [0x39,0x84,0x31,0xd5]
99// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
100// ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
101
102msr BRBSRC8_EL1, x26
103mrs x27, BRBSRC8_EL1
104// ERROR: [[@LINE-2]]:5: error: expected writable system register
105// CHECK: mrs     x27, BRBSRC8_EL1        // encoding: [0x3b,0x88,0x31,0xd5]
106// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
107// ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
108
109msr BRBSRC16_EL1, x28
110mrs x29, BRBSRC16_EL1
111// ERROR: [[@LINE-2]]:5: error: expected writable system register
112// CHECK: mrs     x29, BRBSRC16_EL1       // encoding: [0xbd,0x80,0x31,0xd5]
113// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
114// ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
115
116msr BRBTGT10_EL1, x0
117mrs x1, BRBTGT10_EL1
118// ERROR: [[@LINE-2]]:5: error: expected writable system register
119// CHECK: mrs     x1, BRBTGT10_EL1        // encoding: [0x41,0x8a,0x31,0xd5]
120// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
121// ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
122
123msr BRBTGT21_EL1, x2
124mrs x3, BRBTGT21_EL1
125// ERROR: [[@LINE-2]]:5: error: expected writable system register
126// CHECK: mrs     x3, BRBTGT21_EL1        // encoding: [0xc3,0x85,0x31,0xd5]
127// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
128// ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
129
130msr BRBTGT31_EL1, x4
131mrs x5, BRBTGT31_EL1
132// ERROR: [[@LINE-2]]:5: error: expected writable system register
133// CHECK: mrs     x5, BRBTGT31_EL1        // encoding: [0xc5,0x8f,0x31,0xd5]
134// ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
135// ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
136
137brb iall
138brb inj
139// CHECK: brb iall  // encoding: [0x9f,0x72,0x09,0xd5]
140// CHECK: brb inj   // encoding: [0xbf,0x72,0x09,0xd5]
141// ERROR-NO-BRBE: [[@LINE-4]]:1: error: instruction requires: brbe
142// ERROR-NO-BRBE: [[@LINE-4]]:1: error: instruction requires: brbe
143
144brb IALL
145brb INJ
146// CHECK: brb iall  // encoding: [0x9f,0x72,0x09,0xd5]
147// CHECK: brb inj   // encoding: [0xbf,0x72,0x09,0xd5]
148// ERROR-NO-BRBE: [[@LINE-4]]:1: error: instruction requires: brbe
149// ERROR-NO-BRBE: [[@LINE-4]]:1: error: instruction requires: brbe
150