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llvm-mirror/test/MC/X86/x86_64-imm-widths.s

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MC/X86: Subdivide immediates a bit more, so that we properly recognize immediates based on the width of the target instruction. For example: addw $0xFFFF, %ax should match the same as addw $-1, %ax but we used to match it to the longer encoding. llvm-svn: 104453
2010-05-22 23:02:33 +02:00
// 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
Replace a gross hack (the MOV64ri_alt instruction) with a slightly less gross hack (having the asmmatcher handle the alias). llvm-svn: 115685
2010-10-05 23:09:45 +02:00
// CHECK: movabsq $4294967168, %rax
MC/X86: Subdivide immediates a bit more, so that we properly recognize immediates based on the width of the target instruction. For example: addw $0xFFFF, %ax should match the same as addw $-1, %ax but we used to match it to the longer encoding. llvm-svn: 104453
2010-05-22 23:02:33 +02:00
// CHECK: encoding: [0x48,0xb8,0x80,0xff,0xff,0xff,0x00,0x00,0x00,0x00]
movq $0xFFFFFF80, %rax
Replace a gross hack (the MOV64ri_alt instruction) with a slightly less gross hack (having the asmmatcher handle the alias). llvm-svn: 115685
2010-10-05 23:09:45 +02:00
// CHECK: movabsq $4294967295, %rax
MC/X86: Subdivide immediates a bit more, so that we properly recognize immediates based on the width of the target instruction. For example: addw $0xFFFF, %ax should match the same as addw $-1, %ax but we used to match it to the longer encoding. llvm-svn: 104453
2010-05-22 23:02:33 +02:00
// 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
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