1 // RUN: not llvm-mc -triple x86_64-unknown-unknown --show-encoding %s 2> %t.err | FileCheck --check-prefix=64 %s 2 // RUN: FileCheck --check-prefix=ERR64 < %t.err %s 3 // RUN: not llvm-mc -triple i386-unknown-unknown --show-encoding %s 2> %t.err | FileCheck --check-prefix=32 %s 4 // RUN: FileCheck --check-prefix=ERR32 < %t.err %s 5 // RUN: not llvm-mc -triple i386-unknown-unknown-code16 --show-encoding %s 2> %t.err | FileCheck --check-prefix=16 %s 6 // RUN: FileCheck --check-prefix=ERR16 < %t.err %s 7 8 lodsb 9 // 64: lodsb (%rsi), %al # encoding: [0xac] 10 // 32: lodsb (%esi), %al # encoding: [0xac] 11 // 16: lodsb (%si), %al # encoding: [0xac] 12 13 lodsb (%rsi), %al 14 // 64: lodsb (%rsi), %al # encoding: [0xac] 15 // ERR32: 64-bit 16 // ERR16: 64-bit 17 18 lodsb (%esi), %al 19 // 64: lodsb (%esi), %al # encoding: [0x67,0xac] 20 // 32: lodsb (%esi), %al # encoding: [0xac] 21 // 16: lodsb (%esi), %al # encoding: [0x67,0xac] 22 23 lodsb (%si), %al 24 // ERR64: invalid 16-bit base register 25 // 32: lodsb (%si), %al # encoding: [0x67,0xac] 26 // 16: lodsb (%si), %al # encoding: [0xac] 27 28 lodsl %gs:(%esi) 29 // 64: lodsl %gs:(%esi), %eax # encoding: [0x65,0x67,0xad] 30 // 32: lodsl %gs:(%esi), %eax # encoding: [0x65,0xad] 31 // 16: lodsl %gs:(%esi), %eax # encoding: [0x66,0x65,0x67,0xad] 32 33 lodsl (%edi), %eax 34 // ERR64: invalid operand 35 // ERR32: invalid operand 36 // ERR16: invalid operand 37 38 lodsl 44(%edi), %eax 39 // ERR64: invalid operand 40 // ERR32: invalid operand 41 // ERR16: invalid operand 42 43 lods (%esi), %ax 44 // 64: lodsw (%esi), %ax # encoding: [0x66,0x67,0xad] 45 // 32: lodsw (%esi), %ax # encoding: [0x66,0xad] 46 // 16: lodsw (%esi), %ax # encoding: [0x67,0xad] 47 48 stosw 49 // 64: stosw %ax, %es:(%rdi) # encoding: [0x66,0xab] 50 // 32: stosw %ax, %es:(%edi) # encoding: [0x66,0xab] 51 // 16: stosw %ax, %es:(%di) # encoding: [0xab] 52 53 stos %eax, (%edi) 54 // 64: stosl %eax, %es:(%edi) # encoding: [0x67,0xab] 55 // 32: stosl %eax, %es:(%edi) # encoding: [0xab] 56 // 16: stosl %eax, %es:(%edi) # encoding: [0x66,0x67,0xab] 57 58 stosb %al, %fs:(%edi) 59 // ERR64: invalid operand for instruction 60 // ERR32: invalid operand for instruction 61 // ERR16: invalid operand for instruction 62 63 stosb %al, %es:(%edi) 64 // 64: stosb %al, %es:(%edi) # encoding: [0x67,0xaa] 65 // 32: stosb %al, %es:(%edi) # encoding: [0xaa] 66 // 16: stosb %al, %es:(%edi) # encoding: [0x67,0xaa] 67 68 stosq 69 // 64: stosq %rax, %es:(%rdi) # encoding: [0x48,0xab] 70 // ERR32: 64-bit 71 // ERR16: 64-bit 72 73 stos %rax, (%edi) 74 // 64: stosq %rax, %es:(%edi) # encoding: [0x48,0x67,0xab] 75 // ERR32: only available in 64-bit mode 76 // ERR16: only available in 64-bit mode 77 78 scas %es:(%edi), %al 79 // 64: scasb %es:(%edi), %al # encoding: [0x67,0xae] 80 // 32: scasb %es:(%edi), %al # encoding: [0xae] 81 // 16: scasb %es:(%edi), %al # encoding: [0x67,0xae] 82 83 scasq %es:(%edi) 84 // 64: scasq %es:(%edi), %rax # encoding: [0x48,0x67,0xaf] 85 // ERR32: 64-bit 86 // ERR16: 64-bit 87 88 scasl %es:(%edi), %al 89 // ERR64: invalid operand 90 // ERR32: invalid operand 91 // ERR16: invalid operand 92 93 scas %es:(%di), %ax 94 // ERR64: invalid 16-bit base register 95 // 16: scasw %es:(%di), %ax # encoding: [0xaf] 96 // 32: scasw %es:(%di), %ax # encoding: [0x66,0x67,0xaf] 97 98 cmpsb 99 // 64: cmpsb %es:(%rdi), (%rsi) # encoding: [0xa6] 100 // 32: cmpsb %es:(%edi), (%esi) # encoding: [0xa6] 101 // 16: cmpsb %es:(%di), (%si) # encoding: [0xa6] 102 103 cmpsw (%edi), (%esi) 104 // 64: cmpsw %es:(%edi), (%esi) # encoding: [0x66,0x67,0xa7] 105 // 32: cmpsw %es:(%edi), (%esi) # encoding: [0x66,0xa7] 106 // 16: cmpsw %es:(%edi), (%esi) # encoding: [0x67,0xa7] 107 108 cmpsb (%di), (%esi) 109 // ERR64: invalid 16-bit base register 110 // ERR32: mismatching source and destination 111 // ERR16: mismatching source and destination 112 113 cmpsl %es:(%edi), %ss:(%esi) 114 // 64: cmpsl %es:(%edi), %ss:(%esi) # encoding: [0x36,0x67,0xa7] 115 // 32: cmpsl %es:(%edi), %ss:(%esi) # encoding: [0x36,0xa7] 116 // 16: cmpsl %es:(%edi), %ss:(%esi) # encoding: [0x66,0x36,0x67,0xa7] 117 118 cmpsq (%rdi), (%rsi) 119 // 64: cmpsq %es:(%rdi), (%rsi) # encoding: [0x48,0xa7] 120 // ERR32: 64-bit 121 // ERR16: 64-bit 122 123 movsb (%esi), (%edi) 124 // 64: movsb (%esi), %es:(%edi) # encoding: [0x67,0xa4] 125 // 32: movsb (%esi), %es:(%edi) # encoding: [0xa4] 126 // 16: movsb (%esi), %es:(%edi) # encoding: [0x67,0xa4] 127 128 movsl %gs:(%esi), (%edi) 129 // 64: movsl %gs:(%esi), %es:(%edi) # encoding: [0x65,0x67,0xa5] 130 // 32: movsl %gs:(%esi), %es:(%edi) # encoding: [0x65,0xa5] 131 // 16: movsl %gs:(%esi), %es:(%edi) # encoding: [0x66,0x65,0x67,0xa5] 132 133 outsb 134 // 64: outsb (%rsi), %dx # encoding: [0x6e] 135 // 32: outsb (%esi), %dx # encoding: [0x6e] 136 // 16: outsb (%si), %dx # encoding: [0x6e] 137 138 outsw %fs:(%esi), %dx 139 // 64: outsw %fs:(%esi), %dx # encoding: [0x66,0x64,0x67,0x6f] 140 // 32: outsw %fs:(%esi), %dx # encoding: [0x66,0x64,0x6f] 141 // 16: outsw %fs:(%esi), %dx # encoding: [0x64,0x67,0x6f] 142 143 insw %dx, (%edi) 144 // 64: insw %dx, %es:(%edi) # encoding: [0x66,0x67,0x6d] 145 // 32: insw %dx, %es:(%edi) # encoding: [0x66,0x6d] 146 // 16: insw %dx, %es:(%edi) # encoding: [0x67,0x6d] 147 148 insw %dx, (%bx) 149 // ERR64: invalid 16-bit base register 150 // 32: insw %dx, %es:(%di) # encoding: [0x66,0x67,0x6d] 151 // 16: insw %dx, %es:(%di) # encoding: [0x6d] 152 153 insw %dx, (%ebx) 154 // 64: insw %dx, %es:(%edi) # encoding: [0x66,0x67,0x6d] 155 // 32: insw %dx, %es:(%edi) # encoding: [0x66,0x6d] 156 // 16: insw %dx, %es:(%edi) # encoding: [0x67,0x6d] 157 158 insw %dx, (%rbx) 159 // 64: insw %dx, %es:(%rdi) # encoding: [0x66,0x6d] 160 // ERR32: 64-bit 161 // ERR16: 64-bit 162 163
