[CompactUnwind] Fix register encoding logic

[oota-llvm.git] / test / MC / X86 / index-operations.s

diff --git a/test/MC/X86/index-operations.s b/test/MC/X86/index-operations.s
index ffad9596c83f349dfe69d2e47314fbc7486dfefc..9f69b0b784991830bd1b7a5e0465d16a16880b79 100644 (file)
--- a/test/MC/X86/index-operations.s
+++ b/test/MC/X86/index-operations.s
@@ -74,3 +74,73 @@ stos %rax, (%edi)
 // 64:         stosq %rax, %es:(%edi) # encoding: [0x48,0x67,0xab]
 // ERR32: only available in 64-bit mode
 // ERR16: only available in 64-bit mode
+
+scas %es:(%edi), %al
+// 64: scasb %es:(%edi), %al # encoding: [0x67,0xae]
+// 32: scasb %es:(%edi), %al # encoding: [0xae]
+// 16: scasb %es:(%edi), %al # encoding: [0x67,0xae]
+
+scasq %es:(%edi)
+// 64: scasq %es:(%edi), %rax # encoding: [0x48,0x67,0xaf]
+// ERR32: 64-bit
+// ERR16: 64-bit
+
+scasl %es:(%edi), %al
+// ERR64: invalid operand
+// ERR32: invalid operand
+// ERR16: invalid operand
+
+scas %es:(%di), %ax
+// ERR64: invalid 16-bit base register
+// 16: scasw %es:(%di), %ax # encoding: [0xaf]
+// 32: scasw %es:(%di), %ax # encoding: [0x66,0x67,0xaf]
+
+cmpsb
+// 64: cmpsb %es:(%rdi), (%rsi) # encoding: [0xa6]
+// 32: cmpsb %es:(%edi), (%esi) # encoding: [0xa6]
+// 16: cmpsb %es:(%di), (%si) # encoding: [0xa6]
+
+cmpsw (%edi), (%esi)
+// 64: cmpsw %es:(%edi), (%esi) # encoding: [0x66,0x67,0xa7]
+// 32: cmpsw %es:(%edi), (%esi) # encoding: [0x66,0xa7]
+// 16: cmpsw %es:(%edi), (%esi) # encoding: [0x67,0xa7]
+
+cmpsb (%di), (%esi)
+// ERR64: invalid 16-bit base register
+// ERR32: mismatching source and destination
+// ERR16: mismatching source and destination
+
+cmpsl %es:(%edi), %ss:(%esi)
+// 64: cmpsl %es:(%edi), %ss:(%esi) # encoding: [0x36,0x67,0xa7]
+// 32: cmpsl %es:(%edi), %ss:(%esi) # encoding: [0x36,0xa7]
+// 16: cmpsl %es:(%edi), %ss:(%esi) # encoding: [0x66,0x36,0x67,0xa7]
+
+cmpsq (%rdi), (%rsi)
+// 64: cmpsq %es:(%rdi), (%rsi) # encoding: [0x48,0xa7]
+// ERR32: 64-bit
+// ERR16: 64-bit
+
+movsb (%esi), (%edi)
+// 64: movsb (%esi), %es:(%edi) # encoding: [0x67,0xa4]
+// 32: movsb (%esi), %es:(%edi) # encoding: [0xa4]
+// 16: movsb (%esi), %es:(%edi) # encoding: [0x67,0xa4]
+
+movsl %gs:(%esi), (%edi)
+// 64: movsl %gs:(%esi), %es:(%edi) # encoding: [0x65,0x67,0xa5]
+// 32: movsl %gs:(%esi), %es:(%edi) # encoding: [0x65,0xa5]
+// 16: movsl %gs:(%esi), %es:(%edi) # encoding: [0x66,0x65,0x67,0xa5]
+
+outsb
+// 64: outsb (%rsi), %dx # encoding: [0x6e]
+// 32: outsb (%esi), %dx # encoding: [0x6e]
+// 16: outsb (%si), %dx # encoding: [0x6e]
+
+outsw %fs:(%esi), %dx
+// 64: outsw %fs:(%esi), %dx # encoding: [0x66,0x64,0x67,0x6f]
+// 32: outsw %fs:(%esi), %dx # encoding: [0x66,0x64,0x6f]
+// 16: outsw %fs:(%esi), %dx # encoding: [0x64,0x67,0x6f]
+
+insw %dx, (%edi)
+// 64: insw %dx, %es:(%edi) # encoding: [0x66,0x67,0x6d]
+// 32: insw %dx, %es:(%edi) # encoding: [0x66,0x6d]
+// 16: insw %dx, %es:(%edi) # encoding: [0x67,0x6d]