1# Instructions that are valid
2#
3# Branches have some unusual encoding rules in MIPS32r6 so we need to test:
4#   rs == 0
5#   rs != 0
6#   rt == 0
7#   rt != 0
8#   rs < rt
9#   rs == rt
10#   rs > rt
11# appropriately for each branch instruction
12#
13# RUN: llvm-mc %s -triple=mips-unknown-linux -show-encoding -mcpu=mips32r6 2> %t0 | FileCheck %s
14# RUN: FileCheck %s -check-prefix=WARNING < %t0
15
16        .set noat
17        # FIXME: Add the instructions carried forward from older ISA's
18        and     $2,4             # CHECK: andi $2, $2, 4      # encoding: [0x30,0x42,0x00,0x04]
19        addiupc $4, 100          # CHECK: addiupc $4, 100     # encoding: [0xec,0x80,0x00,0x19]
20        addu    $9,10            # CHECK: addiu $9, $9, 10    # encoding: [0x25,0x29,0x00,0x0a]
21        align   $4, $2, $3, 2    # CHECK: align $4, $2, $3, 2 # encoding: [0x7c,0x43,0x22,0xa0]
22        aluipc  $3, 56           # CHECK: aluipc $3, 56       # encoding: [0xec,0x7f,0x00,0x38]
23        aui     $3,$2,-23        # CHECK: aui $3, $2, -23     # encoding: [0x3c,0x62,0xff,0xe9]
24        auipc   $3, -1           # CHECK: auipc $3, -1        # encoding: [0xec,0x7e,0xff,0xff]
25        bal     21100            # CHECK: bal 21100           # encoding: [0x04,0x11,0x14,0x9b]
26        balc 14572256            # CHECK: balc 14572256       # encoding: [0xe8,0x37,0x96,0xb8]
27        bc 14572256              # CHECK: bc 14572256         # encoding: [0xc8,0x37,0x96,0xb8]
28        bc1eqz  $f0,4            # CHECK: bc1eqz $f0, 4       # encoding: [0x45,0x20,0x00,0x01]
29        bc1eqz  $f31,4           # CHECK: bc1eqz $f31, 4      # encoding: [0x45,0x3f,0x00,0x01]
30        bc1nez  $f0,4            # CHECK: bc1nez $f0, 4       # encoding: [0x45,0xa0,0x00,0x01]
31        bc1nez  $f31,4           # CHECK: bc1nez $f31, 4      # encoding: [0x45,0xbf,0x00,0x01]
32        bc2eqz  $0,8             # CHECK: bc2eqz $0, 8        # encoding: [0x49,0x20,0x00,0x02]
33        bc2eqz  $31,8            # CHECK: bc2eqz $31, 8       # encoding: [0x49,0x3f,0x00,0x02]
34        bc2nez  $0,8             # CHECK: bc2nez $0, 8        # encoding: [0x49,0xa0,0x00,0x02]
35        bc2nez  $31,8            # CHECK: bc2nez $31, 8       # encoding: [0x49,0xbf,0x00,0x02]
36        # beqc requires rs < rt && rs != 0 but we also accept when this is not true. See also bovc
37        # FIXME: Testcases are in valid-xfail.s at the moment
38        beqc $5, $6, 256         # CHECK: beqc $5, $6, 256    # encoding: [0x20,0xa6,0x00,0x40]
39        beqzalc $2, 1332         # CHECK: beqzalc $2, 1332    # encoding: [0x20,0x02,0x01,0x4d]
40        # bnec requires rs < rt && rs != 0 but we accept when this is not true. See also bnvc
41        # FIXME: Testcases are in valid-xfail.s at the moment
42        bnec $5, $6, 256         # CHECK: bnec $5, $6, 256    # encoding: [0x60,0xa6,0x00,0x40]
43        bnezalc $2, 1332         # CHECK: bnezalc $2, 1332    # encoding: [0x60,0x02,0x01,0x4d]
44        beqzc $5, 72256          # CHECK: beqzc $5, 72256     # encoding: [0xd8,0xa0,0x46,0x90]
45        bgec $2, $3, 256         # CHECK: bgec $2, $3, 256    # encoding: [0x58,0x43,0x00,0x40]
46        bgeuc $2, $3, 256        # CHECK: bgeuc $2, $3, 256   # encoding: [0x18,0x43,0x00,0x40]
47        bgezalc $2, 1332         # CHECK: bgezalc $2, 1332    # encoding: [0x18,0x42,0x01,0x4d]
48        bnezc $5, 72256          # CHECK: bnezc $5, 72256     # encoding: [0xf8,0xa0,0x46,0x90]
49        bltzc $5, 256            # CHECK: bltzc $5, 256       # encoding: [0x5c,0xa5,0x00,0x40]
50        bgezc $5, 256            # CHECK: bgezc $5, 256       # encoding: [0x58,0xa5,0x00,0x40]
51        bgtzalc $2, 1332         # CHECK: bgtzalc $2, 1332    # encoding: [0x1c,0x02,0x01,0x4d]
52        blezc $5, 256            # CHECK: blezc $5, 256       # encoding: [0x58,0x05,0x00,0x40]
53        bltzalc $2, 1332         # CHECK: bltzalc $2, 1332    # encoding: [0x1c,0x42,0x01,0x4d]
54        bgtzc $5, 256            # CHECK: bgtzc $5, 256       # encoding: [0x5c,0x05,0x00,0x40]
55        bitswap $4, $2           # CHECK: bitswap $4, $2      # encoding: [0x7c,0x02,0x20,0x20]
56        blezalc $2, 1332         # CHECK: blezalc $2, 1332    # encoding: [0x18,0x02,0x01,0x4d]
57        bltc $5, $6, 256         # CHECK: bltc $5, $6, 256    # encoding: [0x5c,0xa6,0x00,0x40]
58        bltuc $5, $6, 256        # CHECK: bltuc $5, $6, 256   # encoding: [0x1c,0xa6,0x00,0x40]
59        # bnvc requires that rs >= rt but we accept both. See also bnec
60        bnvc     $0, $0, 4       # CHECK: bnvc $zero, $zero, 4 # encoding: [0x60,0x00,0x00,0x01]
61        bnvc     $2, $0, 4       # CHECK: bnvc $2, $zero, 4    # encoding: [0x60,0x40,0x00,0x01]
62        bnvc     $4, $2, 4       # CHECK: bnvc $4, $2, 4       # encoding: [0x60,0x82,0x00,0x01]
63        # bovc requires that rs >= rt but we accept both. See also beqc
64        bovc     $0, $0, 4       # CHECK: bovc $zero, $zero, 4 # encoding: [0x20,0x00,0x00,0x01]
65        bovc     $2, $0, 4       # CHECK: bovc $2, $zero, 4    # encoding: [0x20,0x40,0x00,0x01]
66        bovc     $4, $2, 4       # CHECK: bovc $4, $2, 4       # encoding: [0x20,0x82,0x00,0x01]
67        cache      1, 8($5)         # CHECK: cache 1, 8($5)         # encoding: [0x7c,0xa1,0x04,0x25]
68        cmp.af.s   $f2,$f3,$f4      # CHECK: cmp.af.s $f2, $f3, $f4  # encoding: [0x46,0x84,0x18,0x80]
69        cmp.af.d   $f2,$f3,$f4      # CHECK: cmp.af.d $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x80]
70        cmp.un.s   $f2,$f3,$f4      # CHECK: cmp.un.s $f2, $f3, $f4  # encoding: [0x46,0x84,0x18,0x81]
71        cmp.un.d   $f2,$f3,$f4      # CHECK: cmp.un.d $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x81]
72        cmp.eq.s   $f2,$f3,$f4      # CHECK: cmp.eq.s $f2, $f3, $f4  # encoding: [0x46,0x84,0x18,0x82]
73        cmp.eq.d   $f2,$f3,$f4      # CHECK: cmp.eq.d $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x82]
74        cmp.ueq.s  $f2,$f3,$f4      # CHECK: cmp.ueq.s $f2, $f3, $f4  # encoding: [0x46,0x84,0x18,0x83]
75        cmp.ueq.d  $f2,$f3,$f4      # CHECK: cmp.ueq.d $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x83]
76        cmp.lt.s   $f2,$f3,$f4      # CHECK: cmp.lt.s  $f2, $f3, $f4  # encoding: [0x46,0x84,0x18,0x84]
77        cmp.lt.d   $f2,$f3,$f4      # CHECK: cmp.lt.d  $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x84]
78        cmp.ult.s  $f2,$f3,$f4      # CHECK: cmp.ult.s $f2, $f3, $f4  # encoding: [0x46,0x84,0x18,0x85]
79        cmp.ult.d  $f2,$f3,$f4      # CHECK: cmp.ult.d $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x85]
80        cmp.le.s   $f2,$f3,$f4      # CHECK: cmp.le.s  $f2, $f3, $f4  # encoding: [0x46,0x84,0x18,0x86]
81        cmp.le.d   $f2,$f3,$f4      # CHECK: cmp.le.d  $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x86]
82        cmp.ule.s  $f2,$f3,$f4      # CHECK: cmp.ule.s $f2, $f3, $f4  # encoding: [0x46,0x84,0x18,0x87]
83        cmp.ule.d  $f2,$f3,$f4      # CHECK: cmp.ule.d $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x87]
84        cmp.saf.s  $f2,$f3,$f4      # CHECK: cmp.saf.s $f2, $f3, $f4  # encoding: [0x46,0x84,0x18,0x88]
85        cmp.saf.d  $f2,$f3,$f4      # CHECK: cmp.saf.d $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x88]
86        cmp.sun.s  $f2,$f3,$f4      # CHECK: cmp.sun.s $f2, $f3, $f4  # encoding: [0x46,0x84,0x18,0x89]
87        cmp.sun.d  $f2,$f3,$f4      # CHECK: cmp.sun.d $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x89]
88        cmp.seq.s  $f2,$f3,$f4      # CHECK: cmp.seq.s $f2, $f3, $f4  # encoding: [0x46,0x84,0x18,0x8a]
89        cmp.seq.d  $f2,$f3,$f4      # CHECK: cmp.seq.d $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x8a]
90        cmp.sueq.s $f2,$f3,$f4      # CHECK: cmp.sueq.s $f2, $f3, $f4 # encoding: [0x46,0x84,0x18,0x8b]
91        cmp.sueq.d $f2,$f3,$f4      # CHECK: cmp.sueq.d $f2, $f3, $f4 # encoding: [0x46,0xa4,0x18,0x8b]
92        cmp.slt.s  $f2,$f3,$f4      # CHECK: cmp.slt.s $f2, $f3, $f4  # encoding: [0x46,0x84,0x18,0x8c]
93        cmp.slt.d  $f2,$f3,$f4      # CHECK: cmp.slt.d $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x8c]
94        cmp.sult.s $f2,$f3,$f4      # CHECK: cmp.sult.s $f2, $f3, $f4 # encoding: [0x46,0x84,0x18,0x8d]
95        cmp.sult.d $f2,$f3,$f4      # CHECK: cmp.sult.d $f2, $f3, $f4 # encoding: [0x46,0xa4,0x18,0x8d]
96        cmp.sle.s  $f2,$f3,$f4      # CHECK: cmp.sle.s $f2, $f3, $f4  # encoding: [0x46,0x84,0x18,0x8e]
97        cmp.sle.d  $f2,$f3,$f4      # CHECK: cmp.sle.d $f2, $f3, $f4  # encoding: [0x46,0xa4,0x18,0x8e]
98        cmp.sule.s $f2,$f3,$f4      # CHECK: cmp.sule.s $f2, $f3, $f4 # encoding: [0x46,0x84,0x18,0x8f]
99        cmp.sule.d $f2,$f3,$f4      # CHECK: cmp.sule.d $f2, $f3, $f4 # encoding: [0x46,0xa4,0x18,0x8f]
100        di      $s8              # CHECK: di  $fp          # encoding: [0x41,0x7e,0x60,0x00]
101        di                       # CHECK: di               # encoding: [0x41,0x60,0x60,0x00]
102        div     $2,$3,$4         # CHECK: div $2, $3, $4   # encoding: [0x00,0x64,0x10,0x9a]
103        divu    $2,$3,$4         # CHECK: divu $2, $3, $4  # encoding: [0x00,0x64,0x10,0x9b]
104        ei      $14              # CHECK: ei  $14          # encoding: [0x41,0x6e,0x60,0x20]
105        ei                       # CHECK: ei               # encoding: [0x41,0x60,0x60,0x20]
106        jialc   $5, 256          # CHECK: jialc $5, 256    # encoding: [0xf8,0x05,0x01,0x00]
107        jic     $5, 256          # CHECK: jic $5, 256      # encoding: [0xd8,0x05,0x01,0x00]
108        lsa     $2, $3, $4, 3    # CHECK: lsa  $2, $3, $4, 3 # encoding: [0x00,0x64,0x10,0xc5]
109        lwpc    $2,268           # CHECK: lwpc $2, 268     # encoding: [0xec,0x48,0x00,0x43]
110        lwupc   $2,268           # CHECK: lwupc $2, 268    # encoding: [0xec,0x50,0x00,0x43]
111        mod     $2,$3,$4         # CHECK: mod $2, $3, $4   # encoding: [0x00,0x64,0x10,0xda]
112        modu    $2,$3,$4         # CHECK: modu $2, $3, $4  # encoding: [0x00,0x64,0x10,0xdb]
113        mul     $2,$3,$4         # CHECK: mul $2, $3, $4   # encoding: [0x00,0x64,0x10,0x98]
114        muh     $2,$3,$4         # CHECK: muh $2, $3, $4   # encoding: [0x00,0x64,0x10,0xd8]
115        mulu    $2,$3,$4         # CHECK: mulu $2, $3, $4  # encoding: [0x00,0x64,0x10,0x99]
116        muhu    $2,$3,$4         # CHECK: muhu $2, $3, $4  # encoding: [0x00,0x64,0x10,0xd9]
117        maddf.s $f2,$f3,$f4      # CHECK: maddf.s $f2, $f3, $f4  # encoding: [0x46,0x04,0x18,0x98]
118        maddf.d $f2,$f3,$f4      # CHECK: maddf.d $f2, $f3, $f4  # encoding: [0x46,0x24,0x18,0x98]
119        msubf.s $f2,$f3,$f4      # CHECK: msubf.s $f2, $f3, $f4  # encoding: [0x46,0x04,0x18,0x99]
120        msubf.d $f2,$f3,$f4      # CHECK: msubf.d $f2, $f3, $f4  # encoding: [0x46,0x24,0x18,0x99]
121        pref    1, 8($5)         # CHECK: pref 1, 8($5)          # encoding: [0x7c,0xa1,0x04,0x35]
122        # FIXME: Use the code generator in order to print the .set directives
123        #        instead of the instruction printer.
124        rdhwr   $sp,$11          # CHECK:      .set  push
125                                 # CHECK-NEXT: .set  mips32r2
126                                 # CHECK-NEXT: rdhwr $sp, $11
127                                 # CHECK-NEXT: .set  pop      # encoding: [0x7c,0x1d,0x58,0x3b]
128        sel.d   $f0,$f1,$f2      # CHECK: sel.d $f0, $f1, $f2 # encoding: [0x46,0x22,0x08,0x10]
129        sel.s   $f0,$f1,$f2      # CHECK: sel.s $f0, $f1, $f2 # encoding: [0x46,0x02,0x08,0x10]
130        seleqz  $2,$3,$4         # CHECK: seleqz $2, $3, $4 # encoding: [0x00,0x64,0x10,0x35]
131        selnez  $2,$3,$4         # CHECK: selnez $2, $3, $4 # encoding: [0x00,0x64,0x10,0x37]
132        max.s   $f0, $f2, $f4    # CHECK: max.s $f0, $f2, $f4 # encoding: [0x46,0x04,0x10,0x1d]
133        max.d   $f0, $f2, $f4    # CHECK: max.d $f0, $f2, $f4 # encoding: [0x46,0x24,0x10,0x1d]
134        min.s   $f0, $f2, $f4    # CHECK: min.s $f0, $f2, $f4 # encoding: [0x46,0x04,0x10,0x1c]
135        min.d   $f0, $f2, $f4    # CHECK: min.d $f0, $f2, $f4 # encoding: [0x46,0x24,0x10,0x1c]
136        maxa.s  $f0, $f2, $f4    # CHECK: maxa.s $f0, $f2, $f4 # encoding: [0x46,0x04,0x10,0x1f]
137        maxa.d  $f0, $f2, $f4    # CHECK: maxa.d $f0, $f2, $f4 # encoding: [0x46,0x24,0x10,0x1f]
138        mina.s  $f0, $f2, $f4    # CHECK: mina.s $f0, $f2, $f4 # encoding: [0x46,0x04,0x10,0x1e]
139        mina.d  $f0, $f2, $f4    # CHECK: mina.d $f0, $f2, $f4 # encoding: [0x46,0x24,0x10,0x1e]
140        or      $2, 4            # CHECK: ori $2, $2, 4          # encoding: [0x34,0x42,0x00,0x04]
141        seleqz.s $f0, $f2, $f4   # CHECK: seleqz.s $f0, $f2, $f4 # encoding: [0x46,0x04,0x10,0x14]
142        seleqz.d $f0, $f2, $f4   # CHECK: seleqz.d $f0, $f2, $f4 # encoding: [0x46,0x24,0x10,0x14]
143        selnez.s $f0, $f2, $f4   # CHECK: selnez.s $f0, $f2, $f4 # encoding: [0x46,0x04,0x10,0x17]
144        selnez.d $f0, $f2, $f4   # CHECK: selnez.d $f0, $f2, $f4 # encoding: [0x46,0x24,0x10,0x17]
145        rint.s $f2, $f4          # CHECK: rint.s $f2, $f4        # encoding: [0x46,0x00,0x20,0x9a]
146        rint.d $f2, $f4          # CHECK: rint.d $f2, $f4        # encoding: [0x46,0x20,0x20,0x9a]
147        class.s $f2, $f4         # CHECK: class.s $f2, $f4       # encoding: [0x46,0x00,0x20,0x9b]
148        class.d $f2, $f4         # CHECK: class.d $f2, $f4       # encoding: [0x46,0x20,0x20,0x9b]
149        jr.hb   $4               # CHECK: jr.hb $4               # encoding: [0x00,0x80,0x04,0x09]
150        jalr.hb $4               # CHECK: jalr.hb $4             # encoding: [0x00,0x80,0xfc,0x09]
151        jalr.hb $4, $5           # CHECK: jalr.hb $4, $5         # encoding: [0x00,0xa0,0x24,0x09]
152        ldc2    $8, -701($at)    # CHECK: ldc2 $8, -701($1)      # encoding: [0x49,0xc8,0x0d,0x43]
153        lwc2    $18,-841($a2)    # CHECK: lwc2 $18, -841($6)     # encoding: [0x49,0x52,0x34,0xb7]
154        sdc2    $20,629($s2)     # CHECK: sdc2 $20, 629($18)     # encoding: [0x49,0xf4,0x92,0x75]
155        swc2    $25,304($s0)     # CHECK: swc2 $25, 304($16)     # encoding: [0x49,0x79,0x81,0x30]
156        ll      $v0,-153($s2)    # CHECK: ll $2, -153($18)       # encoding: [0x7e,0x42,0xb3,0xb6]
157        sc      $15,-40($s3)     # CHECK: sc $15, -40($19)       # encoding: [0x7e,0x6f,0xec,0x26]
158        clo     $11,$a1          # CHECK: clo $11, $5            # encoding: [0x00,0xa0,0x58,0x51]
159        clz     $sp,$gp          # CHECK: clz $sp, $gp           # encoding: [0x03,0x80,0xe8,0x50]
160        ssnop                    # WARNING: [[@LINE]]:9: warning: ssnop is deprecated for MIPS32r6 and is equivalent to a nop instruction
161        ssnop                    # CHECK: ssnop                  # encoding: [0x00,0x00,0x00,0x40]
162        sdbbp                    # CHECK: sdbbp                  # encoding: [0x00,0x00,0x00,0x0e]
163        sdbbp     34             # CHECK: sdbbp 34               # encoding: [0x00,0x00,0x08,0x8e]
164        sync                     # CHECK: sync                   # encoding: [0x00,0x00,0x00,0x0f]
165        sync    1                # CHECK: sync 1                 # encoding: [0x00,0x00,0x00,0x4f]
166        teq     $0,$3            # CHECK: teq $zero, $3          # encoding: [0x00,0x03,0x00,0x34]
167        teq     $5,$7,620        # CHECK: teq $5, $7, 620        # encoding: [0x00,0xa7,0x9b,0x34]
168        tge     $7,$10           # CHECK: tge $7, $10            # encoding: [0x00,0xea,0x00,0x30]
169        tge     $5,$19,340       # CHECK: tge $5, $19, 340       # encoding: [0x00,0xb3,0x55,0x30]
170        tgeu    $22,$28          # CHECK: tgeu $22, $gp          # encoding: [0x02,0xdc,0x00,0x31]
171        tgeu    $20,$14,379      # CHECK: tgeu $20, $14, 379     # encoding: [0x02,0x8e,0x5e,0xf1]
172        tlt     $15,$13          # CHECK: tlt $15, $13           # encoding: [0x01,0xed,0x00,0x32]
173        tlt     $2,$19,133       # CHECK: tlt $2, $19, 133       # encoding: [0x00,0x53,0x21,0x72]
174        tltu    $11,$16          # CHECK: tltu $11, $16          # encoding: [0x01,0x70,0x00,0x33]
175        tltu    $16,$29,1016     # CHECK: tltu $16, $sp, 1016    # encoding: [0x02,0x1d,0xfe,0x33]
176        tne     $6,$17           # CHECK: tne $6, $17            # encoding: [0x00,0xd1,0x00,0x36]
177        tne     $7,$8,885        # CHECK: tne $7, $8, 885        # encoding: [0x00,0xe8,0xdd,0x76]
178