1 files changed, 105 insertions, 0 deletions
diff --git a/test/MC/AsmParser/X86/x86_64-imm-widths.s b/test/MC/AsmParser/X86/x86_64-imm-widths.s
new file mode 100644
index 0000000..6243717
--- /dev/null
+++ b/test/MC/AsmParser/X86/x86_64-imm-widths.s
@@ -0,0 +1,105 @@
+// RUN: llvm-mc -triple x86_64- --show-encoding %s | FileCheck %s
+
+// CHECK: addb $0, %al
+// CHECK: encoding: [0x04,0x00]
+ 	addb $0x00, %al
+
+// CHECK: addb $127, %al
+// CHECK: encoding: [0x04,0x7f]
+ 	addb $0x7F, %al
+
+// CHECK: addb $128, %al
+// CHECK: encoding: [0x04,0x80]
+ 	addb $0x80, %al
+
+// CHECK: addb $255, %al
+// CHECK: encoding: [0x04,0xff]
+ 	addb $0xFF, %al
+
+// CHECK: addw $0, %ax
+// CHECK: encoding: [0x66,0x83,0xc0,0x00]
+ 	addw $0x0000, %ax
+
+// CHECK: addw $127, %ax
+// CHECK: encoding: [0x66,0x83,0xc0,0x7f]
+ 	addw $0x007F, %ax
+
+// CHECK: addw $65408, %ax
+// CHECK: encoding: [0x66,0x83,0xc0,0x80]
+ 	addw $0xFF80, %ax
+
+// CHECK: addw $65535, %ax
+// CHECK: encoding: [0x66,0x83,0xc0,0xff]
+	addw $0xFFFF, %ax
+
+// CHECK: addl $0, %eax
+// CHECK: encoding: [0x83,0xc0,0x00]
+ 	addl $0x00000000, %eax
+
+// CHECK: addl $127, %eax
+// CHECK: encoding: [0x83,0xc0,0x7f]
+ 	addl $0x0000007F, %eax
+
+// CHECK: addl $65408, %eax
+// CHECK: encoding: [0x05,0x80,0xff,0x00,0x00]
+ 	addl $0xFF80, %eax
+
+// CHECK: addl $65535, %eax
+// CHECK: encoding: [0x05,0xff,0xff,0x00,0x00]
+	addl $0xFFFF, %eax
+
+// CHECK: addl $4294967168, %eax
+// CHECK: encoding: [0x83,0xc0,0x80]
+ 	addl $0xFFFFFF80, %eax
+
+// CHECK: addl $4294967295, %eax
+// CHECK: encoding: [0x83,0xc0,0xff]
+ 	addl $0xFFFFFFFF, %eax
+
+// CHECK: addq $0, %rax
+// CHECK: encoding: [0x48,0x83,0xc0,0x00]
+ 	addq $0x0000000000000000, %rax
+
+// CHECK: addq $127, %rax
+// CHECK: encoding: [0x48,0x83,0xc0,0x7f]
+ 	addq $0x000000000000007F, %rax
+
+// CHECK: addq $-128, %rax
+// CHECK: encoding: [0x48,0x83,0xc0,0x80]
+ 	addq $0xFFFFFFFFFFFFFF80, %rax
+
+// CHECK: addq $-1, %rax
+// CHECK: encoding: [0x48,0x83,0xc0,0xff]
+ 	addq $0xFFFFFFFFFFFFFFFF, %rax
+
+// CHECK: addq $0, %rax
+// CHECK: encoding: [0x48,0x83,0xc0,0x00]
+ 	addq $0x0000000000000000, %rax
+
+// CHECK: addq $65408, %rax
+// CHECK: encoding: [0x48,0x05,0x80,0xff,0x00,0x00]
+ 	addq $0xFF80, %rax
+
+// CHECK: addq $65535, %rax
+// CHECK: encoding: [0x48,0x05,0xff,0xff,0x00,0x00]
+	addq $0xFFFF, %rax
+
+// CHECK: movq $4294967168, %rax
+// CHECK: encoding: [0x48,0xb8,0x80,0xff,0xff,0xff,0x00,0x00,0x00,0x00]
+ 	movq $0xFFFFFF80, %rax
+
+// CHECK: movq $4294967295, %rax
+// CHECK: encoding: [0x48,0xb8,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00]
+        movq $0xFFFFFFFF, %rax
+
+// CHECK: addq $2147483647, %rax
+// CHECK: encoding: [0x48,0x05,0xff,0xff,0xff,0x7f]
+ 	addq $0x000000007FFFFFFF, %rax
+
+// CHECK: addq $-2147483648, %rax
+// CHECK: encoding: [0x48,0x05,0x00,0x00,0x00,0x80]
+	addq $0xFFFFFFFF80000000, %rax
+
+// CHECK: addq $-256, %rax
+// CHECK: encoding: [0x48,0x05,0x00,0xff,0xff,0xff]
+ 	addq $0xFFFFFFFFFFFFFF00, %rax