llvm-6502/test/MC/ARM/basic-thumb-instructions.s
2011-08-22 23:39:25 +00:00

394 lines
14 KiB
ArmAsm

@ RUN: llvm-mc -triple=thumbv6-apple-darwin -show-encoding < %s | FileCheck %s
.syntax unified
.globl _func
@ Check that the assembler can handle the documented syntax from the ARM ARM.
@ For complex constructs like shifter operands, check more thoroughly for them
@ once then spot check that following instructions accept the form generally.
@ This gives us good coverage while keeping the overall size of the test
@ more reasonable.
@ FIXME: Some 3-operand instructions have a 2-operand assembly syntax.
_func:
@ CHECK: _func
@------------------------------------------------------------------------------
@ ADC (register)
@------------------------------------------------------------------------------
adcs r4, r6
@ CHECK: adcs r4, r6 @ encoding: [0x74,0x41]
@------------------------------------------------------------------------------
@ ADD (immediate)
@------------------------------------------------------------------------------
adds r1, r2, #3
adds r2, #3
adds r2, #8
@ CHECK: adds r1, r2, #3 @ encoding: [0xd1,0x1c]
@ CHECK: adds r2, r2, #3 @ encoding: [0xd2,0x1c]
@ CHECK: adds r2, #8 @ encoding: [0x08,0x32]
@------------------------------------------------------------------------------
@ ADD (register)
@------------------------------------------------------------------------------
adds r1, r2, r3
add r2, r8
@ CHECK: adds r1, r2, r3 @ encoding: [0xd1,0x18]
@ CHECK: add r2, r8 @ encoding: [0x42,0x44]
@------------------------------------------------------------------------------
@ FIXME: ADD (SP plus immediate)
@------------------------------------------------------------------------------
@------------------------------------------------------------------------------
@ FIXME: ADD (SP plus register)
@------------------------------------------------------------------------------
@------------------------------------------------------------------------------
@ ADR
@------------------------------------------------------------------------------
adr r2, _baz
@ CHECK: adr r2, _baz @ encoding: [A,0xa2]
@ fixup A - offset: 0, value: _baz, kind: fixup_thumb_adr_pcrel_10
@------------------------------------------------------------------------------
@ ASR (immediate)
@------------------------------------------------------------------------------
asrs r2, r3, #32
asrs r2, r3, #5
asrs r2, r3, #1
@ CHECK: asrs r2, r3, #32 @ encoding: [0x1a,0x10]
@ CHECK: asrs r2, r3, #5 @ encoding: [0x5a,0x11]
@ CHECK: asrs r2, r3, #1 @ encoding: [0x5a,0x10]
@------------------------------------------------------------------------------
@ ASR (register)
@------------------------------------------------------------------------------
asrs r5, r2
@ CHECK: asrs r5, r2 @ encoding: [0x15,0x41]
@------------------------------------------------------------------------------
@ B
@------------------------------------------------------------------------------
b _baz
beq _bar
@ CHECK: b _baz @ encoding: [A,0xe0'A']
@ fixup A - offset: 0, value: _baz, kind: fixup_arm_thumb_br
@ CHECK: beq _bar @ encoding: [A,0xd0]
@ fixup A - offset: 0, value: _bar, kind: fixup_arm_thumb_bcc
@------------------------------------------------------------------------------
@ BICS
@------------------------------------------------------------------------------
bics r1, r6
@ CHECK: bics r1, r6 @ encoding: [0xb1,0x43]
@------------------------------------------------------------------------------
@ BKPT
@------------------------------------------------------------------------------
bkpt #0
bkpt #255
@ CHECK: bkpt #0 @ encoding: [0x00,0xbe]
@ CHECK: bkpt #255 @ encoding: [0xff,0xbe]
@------------------------------------------------------------------------------
@ BL/BLX (immediate)
@------------------------------------------------------------------------------
bl _bar
blx _baz
@ CHECK: bl _bar @ encoding: [A,0xf0'A',A,0xf8'A']
@ fixup A - offset: 0, value: _bar, kind: fixup_arm_thumb_bl
@ CHECK: blx _baz @ encoding: [A,0xf0'A',A,0xe8'A']
@ fixup A - offset: 0, value: _baz, kind: fixup_arm_thumb_blx
@------------------------------------------------------------------------------
@ BLX (register)
@------------------------------------------------------------------------------
blx r4
@ CHECK: blx r4 @ encoding: [0xa0,0x47]
@------------------------------------------------------------------------------
@ BX
@------------------------------------------------------------------------------
bx r2
@ CHECK: bx r2 @ encoding: [0x10,0x47]
@------------------------------------------------------------------------------
@ CMN
@------------------------------------------------------------------------------
cmn r5, r1
@ CHECK: cmn r5, r1 @ encoding: [0xcd,0x42]
@------------------------------------------------------------------------------
@ CMP
@------------------------------------------------------------------------------
cmp r6, #32
cmp r3, r4
cmp r8, r1
@ CHECK: cmp r6, #32 @ encoding: [0x20,0x2e]
@ CHECK: cmp r3, r4 @ encoding: [0xa3,0x42]
@ CHECK: cmp r8, r1 @ encoding: [0x88,0x45]
@------------------------------------------------------------------------------
@ EOR
@------------------------------------------------------------------------------
eors r4, r5
@ CHECK: eors r4, r5 @ encoding: [0x6c,0x40]
@------------------------------------------------------------------------------
@ LDM
@------------------------------------------------------------------------------
ldm r3, {r0, r1, r2, r3, r4, r5, r6, r7}
ldm r2!, {r1, r3, r4, r5, r7}
ldm r1, {r1}
@ CHECK: ldm r3, {r0, r1, r2, r3, r4, r5, r6, r7} @ encoding: [0xff,0xcb]
@ CHECK: ldm r2!, {r1, r3, r4, r5, r7} @ encoding: [0xba,0xca]
@ CHECK: ldm r1, {r1} @ encoding: [0x02,0xc9]
@------------------------------------------------------------------------------
@ LDR (immediate)
@------------------------------------------------------------------------------
ldr r1, [r5]
ldr r2, [r6, #32]
ldr r3, [r7, #124]
ldr r1, [sp]
ldr r2, [sp, #24]
ldr r3, [sp, #1020]
@ CHECK: ldr r1, [r5] @ encoding: [0x29,0x68]
@ CHECK: ldr r2, [r6, #32] @ encoding: [0x32,0x6a]
@ CHECK: ldr r3, [r7, #124] @ encoding: [0xfb,0x6f]
@ CHECK: ldr r1, [sp] @ encoding: [0x00,0x99]
@ CHECK: ldr r2, [sp, #24] @ encoding: [0x06,0x9a]
@ CHECK: ldr r3, [sp, #1020] @ encoding: [0xff,0x9b]
@------------------------------------------------------------------------------
@ LDR (literal)
@------------------------------------------------------------------------------
ldr r1, _foo
@ CHECK: ldr r1, _foo @ encoding: [A,0x49]
@ fixup A - offset: 0, value: _foo, kind: fixup_arm_thumb_cp
@------------------------------------------------------------------------------
@ LDR (register)
@------------------------------------------------------------------------------
ldr r1, [r2, r3]
@ CHECK: ldr r1, [r2, r3] @ encoding: [0xd1,0x58]
@------------------------------------------------------------------------------
@ LDRB (immediate)
@------------------------------------------------------------------------------
ldrb r4, [r3]
ldrb r5, [r6, #0]
ldrb r6, [r7, #31]
@ CHECK: ldrb r4, [r3] @ encoding: [0x1c,0x78]
@ CHECK: ldrb r5, [r6] @ encoding: [0x35,0x78]
@ CHECK: ldrb r6, [r7, #31] @ encoding: [0xfe,0x7f]
@------------------------------------------------------------------------------
@ LDRB (register)
@------------------------------------------------------------------------------
ldrb r6, [r4, r5]
@ CHECK: ldrb r6, [r4, r5] @ encoding: [0x66,0x5d]
@------------------------------------------------------------------------------
@ LDRH (immediate)
@------------------------------------------------------------------------------
ldrh r3, [r3]
ldrh r4, [r6, #2]
ldrh r5, [r7, #62]
@ CHECK: ldrh r3, [r3] @ encoding: [0x1b,0x88]
@ CHECK: ldrh r4, [r6, #2] @ encoding: [0x74,0x88]
@ CHECK: ldrh r5, [r7, #62] @ encoding: [0xfd,0x8f]
@------------------------------------------------------------------------------
@ LDRH (register)
@------------------------------------------------------------------------------
ldrh r6, [r2, r6]
@ CHECK: ldrh r6, [r2, r6] @ encoding: [0x96,0x5b]
@------------------------------------------------------------------------------
@ LDRSB/LDRSH
@------------------------------------------------------------------------------
ldrsb r6, [r2, r6]
ldrsh r3, [r7, r1]
@ CHECK: ldrsb r6, [r2, r6] @ encoding: [0x96,0x57]
@ CHECK: ldrsh r3, [r7, r1] @ encoding: [0x7b,0x5e]
@------------------------------------------------------------------------------
@ LSL (immediate)
@------------------------------------------------------------------------------
lsls r4, r5, #0
lsls r4, r5, #4
@ CHECK: lsls r4, r5, #0 @ encoding: [0x2c,0x00]
@ CHECK: lsls r4, r5, #4 @ encoding: [0x2c,0x01]
@------------------------------------------------------------------------------
@ LSL (register)
@------------------------------------------------------------------------------
lsls r2, r6
@ CHECK: lsls r2, r6 @ encoding: [0xb2,0x40]
@------------------------------------------------------------------------------
@ LSR (immediate)
@------------------------------------------------------------------------------
lsrs r1, r3, #1
lsrs r1, r3, #32
@ CHECK: lsrs r1, r3, #1 @ encoding: [0x59,0x08]
@ CHECK: lsrs r1, r3, #32 @ encoding: [0x19,0x08]
@------------------------------------------------------------------------------
@ LSR (register)
@------------------------------------------------------------------------------
lsrs r2, r6
@ CHECK: lsrs r2, r6 @ encoding: [0xf2,0x40]
@------------------------------------------------------------------------------
@ MOV (immediate)
@------------------------------------------------------------------------------
movs r2, #0
movs r2, #255
movs r2, #23
@ CHECK: movs r2, #0 @ encoding: [0x00,0x22]
@ CHECK: movs r2, #255 @ encoding: [0xff,0x22]
@ CHECK: movs r2, #23 @ encoding: [0x17,0x22]
@------------------------------------------------------------------------------
@ MOV (register)
@------------------------------------------------------------------------------
mov r3, r4
movs r1, r3
@ CHECK: mov r3, r4 @ encoding: [0x23,0x46]
@ CHECK: movs r1, r3 @ encoding: [0x19,0x00]
@------------------------------------------------------------------------------
@ MUL
@------------------------------------------------------------------------------
muls r1, r2, r1
muls r3, r4
@ CHECK: muls r1, r2, r1 @ encoding: [0x51,0x43]
@ CHECK: muls r3, r4, r3 @ encoding: [0x63,0x43]
@------------------------------------------------------------------------------
@ MVN
@------------------------------------------------------------------------------
mvns r6, r3
@ CHECK: mvns r6, r3 @ encoding: [0xde,0x43]
@------------------------------------------------------------------------------
@ NEG
@------------------------------------------------------------------------------
negs r3, r4
@ CHECK: rsbs r3, r4, #0 @ encoding: [0x63,0x42]
@------------------------------------------------------------------------------
@ NOP
@------------------------------------------------------------------------------
nop
@ CHECK: nop @ encoding: [0xc0,0x46]
@------------------------------------------------------------------------------
@ ORR
@------------------------------------------------------------------------------
orrs r3, r4
@ CHECK-ERRORS: orrs r3, r4 @ encoding: [0x23,0x43]
@------------------------------------------------------------------------------
@ POP
@------------------------------------------------------------------------------
pop {r2, r3, r6}
@ CHECK: pop {r2, r3, r6} @ encoding: [0x4c,0xbc]
@------------------------------------------------------------------------------
@ PUSH
@------------------------------------------------------------------------------
push {r1, r2, r7}
@ CHECK: push {r1, r2, r7} @ encoding: [0x86,0xb4]
@------------------------------------------------------------------------------
@ REV/REV16/REVSH
@------------------------------------------------------------------------------
rev r6, r3
rev16 r7, r2
revsh r5, r1
@ CHECK: rev r6, r3 @ encoding: [0x1e,0xba]
@ CHECK: rev16 r7, r2 @ encoding: [0x57,0xba]
@ CHECK: revsh r5, r1 @ encoding: [0xcd,0xba]