diff options
Diffstat (limited to 'test/MC/ARM64/branch-encoding.s')
| -rw-r--r-- | test/MC/ARM64/branch-encoding.s | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/test/MC/ARM64/branch-encoding.s b/test/MC/ARM64/branch-encoding.s new file mode 100644 index 0000000..7857fea --- /dev/null +++ b/test/MC/ARM64/branch-encoding.s @@ -0,0 +1,159 @@ +; RUN: llvm-mc -triple arm64-apple-darwin -show-encoding < %s | FileCheck %s + +foo: + +;----------------------------------------------------------------------------- +; Unconditional branch (register) instructions. +;----------------------------------------------------------------------------- + + ret +; CHECK: encoding: [0xc0,0x03,0x5f,0xd6] + ret x1 +; CHECK: encoding: [0x20,0x00,0x5f,0xd6] + drps +; CHECK: encoding: [0xe0,0x03,0xbf,0xd6] + eret +; CHECK: encoding: [0xe0,0x03,0x9f,0xd6] + br x5 +; CHECK: encoding: [0xa0,0x00,0x1f,0xd6] + blr x9 +; CHECK: encoding: [0x20,0x01,0x3f,0xd6] + bl L1 +; CHECK: bl L1 ; encoding: [A,A,A,0b100101AA] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_call26 + +;----------------------------------------------------------------------------- +; Contitional branch instructions. +;----------------------------------------------------------------------------- + + b L1 +; CHECK: b L1 ; encoding: [A,A,A,0b000101AA] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_branch26 + b.eq L1 +; CHECK: b.eq L1 ; encoding: [0bAAA00000,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.ne L1 +; CHECK: b.ne L1 ; encoding: [0bAAA00001,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.cs L1 +; CHECK: b.cs L1 ; encoding: [0bAAA00010,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.cc L1 +; CHECK: b.cc L1 ; encoding: [0bAAA00011,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.mi L1 +; CHECK: b.mi L1 ; encoding: [0bAAA00100,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.pl L1 +; CHECK: b.pl L1 ; encoding: [0bAAA00101,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.vs L1 +; CHECK: b.vs L1 ; encoding: [0bAAA00110,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.vc L1 +; CHECK: b.vc L1 ; encoding: [0bAAA00111,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.hi L1 +; CHECK: b.hi L1 ; encoding: [0bAAA01000,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.ls L1 +; CHECK: b.ls L1 ; encoding: [0bAAA01001,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.ge L1 +; CHECK: b.ge L1 ; encoding: [0bAAA01010,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.lt L1 +; CHECK: b.lt L1 ; encoding: [0bAAA01011,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.gt L1 +; CHECK: b.gt L1 ; encoding: [0bAAA01100,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.le L1 +; CHECK: b.le L1 ; encoding: [0bAAA01101,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 + b.al L1 +; CHECK: b L1 ; encoding: [0bAAA01110,A,A,0x54] +; CHECK: fixup A - offset: 0, value: L1, kind: fixup_arm64_pcrel_imm19 +L1: + b #28 +; CHECK: b #28 + b.lt #28 +; CHECK: b.lt #28 + b.cc #1048572 +; CHECK: b.cc #1048572 ; encoding: [0xe3,0xff,0x7f,0x54] + b #134217724 +; CHECK: b #134217724 ; encoding: [0xff,0xff,0xff,0x15] + b #-134217728 +; CHECK: b #-134217728 ; encoding: [0x00,0x00,0x00,0x16] + +;----------------------------------------------------------------------------- +; Compare-and-branch instructions. +;----------------------------------------------------------------------------- + + cbz w1, foo +; CHECK: encoding: [0bAAA00001,A,A,0x34] + cbz x1, foo +; CHECK: encoding: [0bAAA00001,A,A,0xb4] + cbnz w2, foo +; CHECK: encoding: [0bAAA00010,A,A,0x35] + cbnz x2, foo +; CHECK: encoding: [0bAAA00010,A,A,0xb5] + cbz w1, #28 +; CHECK: cbz w1, #28 + cbz w20, #1048572 +; CHECK: cbz w20, #1048572 ; encoding: [0xf4,0xff,0x7f,0x34] + cbnz x2, #-1048576 +; CHECK: cbnz x2, #-1048576 ; encoding: [0x02,0x00,0x80,0xb5] + + +;----------------------------------------------------------------------------- +; Bit-test-and-branch instructions. +;----------------------------------------------------------------------------- + + tbz x1, #3, foo +; CHECK: encoding: [0bAAA00001,A,0b00011AAA,0x36] + tbnz x1, #63, foo +; CHECK: encoding: [0bAAA00001,A,0b11111AAA,0xb7] + + tbz w1, #3, foo +; CHECK: encoding: [0bAAA00001,A,0b00011AAA,0x36] + tbnz w1, #31, foo +; CHECK: encoding: [0bAAA00001,A,0b11111AAA,0x37] + + tbz w1, #3, #28 +; CHECK: tbz w1, #3, #28 + tbz w3, #5, #32764 +; CHECK: tbz w3, #5, #32764 ; encoding: [0xe3,0xff,0x2b,0x36] + tbnz x3, #8, #-32768 +; CHECK: tbnz w3, #8, #-32768 ; encoding: [0x03,0x00,0x44,0x37] + +;----------------------------------------------------------------------------- +; Exception generation instructions. +;----------------------------------------------------------------------------- + + brk #1 +; CHECK: encoding: [0x20,0x00,0x20,0xd4] + dcps1 #2 +; CHECK: encoding: [0x41,0x00,0xa0,0xd4] + dcps2 #3 +; CHECK: encoding: [0x62,0x00,0xa0,0xd4] + dcps3 #4 +; CHECK: encoding: [0x83,0x00,0xa0,0xd4] + hlt #5 +; CHECK: encoding: [0xa0,0x00,0x40,0xd4] + hvc #6 +; CHECK: encoding: [0xc2,0x00,0x00,0xd4] + smc #7 +; CHECK: encoding: [0xe3,0x00,0x00,0xd4] + svc #8 +; CHECK: encoding: [0x01,0x01,0x00,0xd4] + +; The immediate defaults to zero for DCPSn + dcps1 + dcps2 + dcps3 + +; CHECK: dcps1 ; encoding: [0x01,0x00,0xa0,0xd4] +; CHECK: dcps2 ; encoding: [0x02,0x00,0xa0,0xd4] +; CHECK: dcps3 ; encoding: [0x03,0x00,0xa0,0xd4] + |