arm-memory-instructions.s
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@ RUN: llvm-mc -triple=armv7-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 loads and stores.
_func:
@ CHECK: _func
@------------------------------------------------------------------------------
@ LDR (immediate)
@------------------------------------------------------------------------------
ldr r5, [r7]
ldr r6, [r3, #63]
ldr r2, [r4, #4095]!
ldr r1, [r2], #30
ldr r3, [r1], #-30
ldr r9, [r2], #-0
@ CHECK: ldr r5, [r7] @ encoding: [0x00,0x50,0x97,0xe5]
@ CHECK: ldr r6, [r3, #63] @ encoding: [0x3f,0x60,0x93,0xe5]
@ CHECK: ldr r2, [r4, #4095]! @ encoding: [0xff,0x2f,0xb4,0xe5]
@ CHECK: ldr r1, [r2], #30 @ encoding: [0x1e,0x10,0x92,0xe4]
@ CHECK: ldr r3, [r1], #-30 @ encoding: [0x1e,0x30,0x11,0xe4]
@ CHECK: ldr r9, [r2], #-0 @ encoding: [0x00,0x90,0x12,0xe4]
@------------------------------------------------------------------------------
@ FIXME: LDR (literal)
@------------------------------------------------------------------------------
@ label operands currently assert the show-encoding asm comment helper due
@ to the use of non-contiguous bit ranges for fixups in ARM. Once that's
@ cleaned up, we can write useful assembly testcases for these sorts of
@ instructions.
@------------------------------------------------------------------------------
@ LDR (register)
@------------------------------------------------------------------------------
ldr r3, [r8, r1]
ldr r2, [r5, -r3]
ldr r1, [r5, r9]!
ldr r6, [r7, -r8]!
ldr r1, [r0, r2, lsr #3]!
ldr r5, [r9], r2
ldr r4, [r3], -r6
ldr r3, [r8, -r2, lsl #15]
ldr r1, [r5], r3, asr #15
@ CHECK: ldr r3, [r8, r1] @ encoding: [0x01,0x30,0x98,0xe7]
@ CHECK: ldr r2, [r5, -r3] @ encoding: [0x03,0x20,0x15,0xe7]
@ CHECK: ldr r1, [r5, r9]! @ encoding: [0x09,0x10,0xb5,0xe7]
@ CHECK: ldr r6, [r7, -r8]! @ encoding: [0x08,0x60,0x37,0xe7]
@ CHECK: ldr r1, [r0, r2, lsr #3]! @ encoding: [0xa2,0x11,0xb0,0xe7]
@ CHECK: ldr r5, [r9], r2 @ encoding: [0x02,0x50,0x99,0xe6]
@ CHECK: ldr r4, [r3], -r6 @ encoding: [0x06,0x40,0x13,0xe6]
@ CHECK: ldr r3, [r8, -r2, lsl #15] @ encoding: [0x82,0x37,0x18,0xe7]
@ CHECK: ldr r1, [r5], r3, asr #15 @ encoding: [0xc3,0x17,0x95,0xe6]
@------------------------------------------------------------------------------
@ LDRB (immediate)
@------------------------------------------------------------------------------
ldrb r3, [r8]
ldrb r1, [sp, #63]
ldrb r9, [r3, #4095]!
ldrb r8, [r1], #22
ldrb r2, [r7], #-19
@ CHECK: ldrb r3, [r8] @ encoding: [0x00,0x30,0xd8,0xe5]
@ CHECK: ldrb r1, [sp, #63] @ encoding: [0x3f,0x10,0xdd,0xe5]
@ CHECK: ldrb r9, [r3, #4095]! @ encoding: [0xff,0x9f,0xf3,0xe5]
@ CHECK: ldrb r8, [r1], #22 @ encoding: [0x16,0x80,0xd1,0xe4]
@ CHECK: ldrb r2, [r7], #-19 @ encoding: [0x13,0x20,0x57,0xe4]
@------------------------------------------------------------------------------
@ LDRB (register)
@------------------------------------------------------------------------------
ldrb r9, [r8, r5]
ldrb r1, [r5, -r1]
ldrb r3, [r5, r2]!
ldrb r6, [r9, -r3]!
ldrb r2, [r1], r4
ldrb r8, [r4], -r5
ldrb r7, [r12, -r1, lsl #15]
ldrb r5, [r2], r9, asr #15
@ CHECK: ldrb r9, [r8, r5] @ encoding: [0x05,0x90,0xd8,0xe7]
@ CHECK: ldrb r1, [r5, -r1] @ encoding: [0x01,0x10,0x55,0xe7]
@ CHECK: ldrb r3, [r5, r2]! @ encoding: [0x02,0x30,0xf5,0xe7]
@ CHECK: ldrb r6, [r9, -r3]! @ encoding: [0x03,0x60,0x79,0xe7]
@ CHECK: ldrb r2, [r1], r4 @ encoding: [0x04,0x20,0xd1,0xe6]
@ CHECK: ldrb r8, [r4], -r5 @ encoding: [0x05,0x80,0x54,0xe6]
@ CHECK: ldrb r7, [r12, -r1, lsl #15] @ encoding: [0x81,0x77,0x5c,0xe7]
@ CHECK: ldrb r5, [r2], r9, asr #15 @ encoding: [0xc9,0x57,0xd2,0xe6]
@------------------------------------------------------------------------------
@ LDRBT
@------------------------------------------------------------------------------
@ FIXME: Optional offset operand.
ldrbt r3, [r1], #4
ldrbt r2, [r8], #-8
ldrbt r8, [r7], r6
ldrbt r1, [r2], -r6, lsl #12
@ CHECK: ldrbt r3, [r1], #4 @ encoding: [0x04,0x30,0xf1,0xe4]
@ CHECK: ldrbt r2, [r8], #-8 @ encoding: [0x08,0x20,0x78,0xe4]
@ CHECK: ldrbt r8, [r7], r6 @ encoding: [0x06,0x80,0xf7,0xe6]
@ CHECK: ldrbt r1, [r2], -r6, lsl #12 @ encoding: [0x06,0x16,0x72,0xe6]
@------------------------------------------------------------------------------
@ LDRD (immediate)
@------------------------------------------------------------------------------
ldrd r2, r3, [r5]
ldrd r6, r7, [r2, #15]
ldrd r0, r1, [r9, #32]!
ldrd r6, r7, [r1], #8
ldrd r0, r1, [r8], #0
ldrd r0, r1, [r8], #+0
ldrd r0, r1, [r8], #-0
@ CHECK: ldrd r2, r3, [r5] @ encoding: [0xd0,0x20,0xc5,0xe1]
@ CHECK: ldrd r6, r7, [r2, #15] @ encoding: [0xdf,0x60,0xc2,0xe1]
@ CHECK: ldrd r0, r1, [r9, #32]! @ encoding: [0xd0,0x02,0xe9,0xe1]
@ CHECK: ldrd r6, r7, [r1], #8 @ encoding: [0xd8,0x60,0xc1,0xe0]
@ CHECK: ldrd r0, r1, [r8], #0 @ encoding: [0xd0,0x00,0xc8,0xe0]
@ CHECK: ldrd r0, r1, [r8], #0 @ encoding: [0xd0,0x00,0xc8,0xe0]
@ CHECK: ldrd r0, r1, [r8], #-0 @ encoding: [0xd0,0x00,0x48,0xe0]
@------------------------------------------------------------------------------
@ LDRD (label)
@------------------------------------------------------------------------------
ldrd r2, r3, Lbaz
Lbaz: .quad 0
@ CHECK: ldrd r2, r3, Lbaz @ encoding: [0xd0'A',0x20'A',0x4f'A',0xe1'A']
@------------------------------------------------------------------------------
@ LDRD (register)
@------------------------------------------------------------------------------
ldrd r4, r5, [r1, r3]
ldrd r4, r5, [r7, r2]!
ldrd r0, r1, [r8], r12
ldrd r0, r1, [r8], -r12
@ CHECK: ldrd r4, r5, [r1, r3] @ encoding: [0xd3,0x40,0x81,0xe1]
@ CHECK: ldrd r4, r5, [r7, r2]! @ encoding: [0xd2,0x40,0xa7,0xe1]
@ CHECK: ldrd r0, r1, [r8], r12 @ encoding: [0xdc,0x00,0x88,0xe0]
@ CHECK: ldrd r0, r1, [r8], -r12 @ encoding: [0xdc,0x00,0x08,0xe0]
@------------------------------------------------------------------------------
@ LDRH (immediate)
@------------------------------------------------------------------------------
ldrh r3, [r4]
ldrh r2, [r7, #4]
ldrh r1, [r8, #64]!
ldrh r12, [sp], #4
@ CHECK: ldrh r3, [r4] @ encoding: [0xb0,0x30,0xd4,0xe1]
@ CHECK: ldrh r2, [r7, #4] @ encoding: [0xb4,0x20,0xd7,0xe1]
@ CHECK: ldrh r1, [r8, #64]! @ encoding: [0xb0,0x14,0xf8,0xe1]
@ CHECK: ldrh r12, [sp], #4 @ encoding: [0xb4,0xc0,0xdd,0xe0]
@------------------------------------------------------------------------------
@ FIXME: LDRH (label)
@------------------------------------------------------------------------------
@------------------------------------------------------------------------------
@ LDRH (register)
@------------------------------------------------------------------------------
ldrh r6, [r5, r4]
ldrh r3, [r8, r11]!
ldrh r1, [r2, -r1]!
ldrh r9, [r7], r2
ldrh r4, [r3], -r2
@ CHECK: ldrh r6, [r5, r4] @ encoding: [0xb4,0x60,0x95,0xe1]
@ CHECK: ldrh r3, [r8, r11]! @ encoding: [0xbb,0x30,0xb8,0xe1]
@ CHECK: ldrh r1, [r2, -r1]! @ encoding: [0xb1,0x10,0x32,0xe1]
@ CHECK: ldrh r9, [r7], r2 @ encoding: [0xb2,0x90,0x97,0xe0]
@ CHECK: ldrh r4, [r3], -r2 @ encoding: [0xb2,0x40,0x13,0xe0]
@------------------------------------------------------------------------------
@ LDRHT
@------------------------------------------------------------------------------
ldrht r9, [r7], #128
ldrht r4, [r3], #-75
ldrht r9, [r7], r2
ldrht r4, [r3], -r2
@ CHECK: ldrht r9, [r7], #128 @ encoding: [0xb0,0x98,0xf7,0xe0]
@ CHECK: ldrht r4, [r3], #-75 @ encoding: [0xbb,0x44,0x73,0xe0]
@ CHECK: ldrht r9, [r7], r2 @ encoding: [0xb2,0x90,0xb7,0xe0]
@ CHECK: ldrht r4, [r3], -r2 @ encoding: [0xb2,0x40,0x33,0xe0]
@------------------------------------------------------------------------------
@ LDRSB (immediate)
@------------------------------------------------------------------------------
ldrsb r3, [r4]
ldrsb r2, [r7, #17]
ldrsb r1, [r8, #255]!
ldrsb r12, [sp], #9
@ CHECK: ldrsb r3, [r4] @ encoding: [0xd0,0x30,0xd4,0xe1]
@ CHECK: ldrsb r2, [r7, #17] @ encoding: [0xd1,0x21,0xd7,0xe1]
@ CHECK: ldrsb r1, [r8, #255]! @ encoding: [0xdf,0x1f,0xf8,0xe1]
@ CHECK: ldrsb r12, [sp], #9 @ encoding: [0xd9,0xc0,0xdd,0xe0]
@------------------------------------------------------------------------------
@ FIXME: LDRSB (label)
@------------------------------------------------------------------------------
@------------------------------------------------------------------------------
@ LDRSB (register)
@------------------------------------------------------------------------------
ldrsb r6, [r5, r4]
ldrsb r3, [r8, r11]!
ldrsb r1, [r2, -r1]!
ldrsb r9, [r7], r2
ldrsb r4, [r3], -r2
@ CHECK: ldrsb r6, [r5, r4] @ encoding: [0xd4,0x60,0x95,0xe1]
@ CHECK: ldrsb r3, [r8, r11]! @ encoding: [0xdb,0x30,0xb8,0xe1]
@ CHECK: ldrsb r1, [r2, -r1]! @ encoding: [0xd1,0x10,0x32,0xe1]
@ CHECK: ldrsb r9, [r7], r2 @ encoding: [0xd2,0x90,0x97,0xe0]
@ CHECK: ldrsb r4, [r3], -r2 @ encoding: [0xd2,0x40,0x13,0xe0]
@------------------------------------------------------------------------------
@ LDRSBT
@------------------------------------------------------------------------------
ldrsbt r5, [r6], #1
ldrsbt r3, [r8], #-12
ldrsbt r8, [r9], r5
ldrsbt r2, [r1], -r4
@ CHECK: ldrsbt r5, [r6], #1 @ encoding: [0xd1,0x50,0xf6,0xe0]
@ CHECK: ldrsbt r3, [r8], #-12 @ encoding: [0xdc,0x30,0x78,0xe0]
@ CHECK: ldrsbt r8, [r9], r5 @ encoding: [0xd5,0x80,0xb9,0xe0]
@ CHECK: ldrsbt r2, [r1], -r4 @ encoding: [0xd4,0x20,0x31,0xe0]
@------------------------------------------------------------------------------
@ LDRSH (immediate)
@------------------------------------------------------------------------------
ldrsh r5, [r9]
ldrsh r4, [r5, #7]
ldrsh r3, [r6, #55]!
ldrsh r2, [r7], #-9
@ CHECK: ldrsh r5, [r9] @ encoding: [0xf0,0x50,0xd9,0xe1]
@ CHECK: ldrsh r4, [r5, #7] @ encoding: [0xf7,0x40,0xd5,0xe1]
@ CHECK: ldrsh r3, [r6, #55]! @ encoding: [0xf7,0x33,0xf6,0xe1]
@ CHECK: ldrsh r2, [r7], #-9 @ encoding: [0xf9,0x20,0x57,0xe0]
@------------------------------------------------------------------------------
@ FIXME: LDRSH (label)
@------------------------------------------------------------------------------
@------------------------------------------------------------------------------
@ LDRSH (register)
@------------------------------------------------------------------------------
ldrsh r3, [r1, r5]
ldrsh r4, [r6, r1]!
ldrsh r5, [r3, -r6]!
ldrsh r6, [r9], r8
ldrsh r7, [r8], -r3
@ CHECK: ldrsh r3, [r1, r5] @ encoding: [0xf5,0x30,0x91,0xe1]
@ CHECK: ldrsh r4, [r6, r1]! @ encoding: [0xf1,0x40,0xb6,0xe1]
@ CHECK: ldrsh r5, [r3, -r6]! @ encoding: [0xf6,0x50,0x33,0xe1]
@ CHECK: ldrsh r6, [r9], r8 @ encoding: [0xf8,0x60,0x99,0xe0]
@ CHECK: ldrsh r7, [r8], -r3 @ encoding: [0xf3,0x70,0x18,0xe0]
@------------------------------------------------------------------------------
@ LDRSHT
@------------------------------------------------------------------------------
ldrsht r5, [r6], #1
ldrsht r3, [r8], #-12
ldrsht r8, [r9], r5
ldrsht r2, [r1], -r4
@ CHECK: ldrsht r5, [r6], #1 @ encoding: [0xf1,0x50,0xf6,0xe0]
@ CHECK: ldrsht r3, [r8], #-12 @ encoding: [0xfc,0x30,0x78,0xe0]
@ CHECK: ldrsht r8, [r9], r5 @ encoding: [0xf5,0x80,0xb9,0xe0]
@ CHECK: ldrsht r2, [r1], -r4 @ encoding: [0xf4,0x20,0x31,0xe0]
@------------------------------------------------------------------------------
@ STR (immediate)
@------------------------------------------------------------------------------
str r8, [r12]
str r7, [r1, #12]
str r3, [r5, #40]!
str r9, [sp], #4095
str r1, [r7], #-128
str r1, [r0], #-0
@ CHECK: str r8, [r12] @ encoding: [0x00,0x80,0x8c,0xe5]
@ CHECK: str r7, [r1, #12] @ encoding: [0x0c,0x70,0x81,0xe5]
@ CHECK: str r3, [r5, #40]! @ encoding: [0x28,0x30,0xa5,0xe5]
@ CHECK: str r9, [sp], #4095 @ encoding: [0xff,0x9f,0x8d,0xe4]
@ CHECK: str r1, [r7], #-128 @ encoding: [0x80,0x10,0x07,0xe4]
@ CHECK: str r1, [r0], #-0 @ encoding: [0x00,0x10,0x00,0xe4]
@------------------------------------------------------------------------------
@ FIXME: STR (literal)
@------------------------------------------------------------------------------
@------------------------------------------------------------------------------
@ STR (register)
@------------------------------------------------------------------------------
str r9, [r6, r3]
str r8, [r0, -r2]
str r7, [r1, r6]!
str r6, [sp, -r1]!
str r5, [r3], r9
str r4, [r2], -r5
str r3, [r4, -r2, lsl #2]
str r2, [r7], r3, asr #24
@ CHECK: str r9, [r6, r3] @ encoding: [0x03,0x90,0x86,0xe7]
@ CHECK: str r8, [r0, -r2] @ encoding: [0x02,0x80,0x00,0xe7]
@ CHECK: str r7, [r1, r6]! @ encoding: [0x06,0x70,0xa1,0xe7]
@ CHECK: str r6, [sp, -r1]! @ encoding: [0x01,0x60,0x2d,0xe7]
@ CHECK: str r5, [r3], r9 @ encoding: [0x09,0x50,0x83,0xe6]
@ CHECK: str r4, [r2], -r5 @ encoding: [0x05,0x40,0x02,0xe6]
@ CHECK: str r3, [r4, -r2, lsl #2] @ encoding: [0x02,0x31,0x04,0xe7]
@ CHECK: str r2, [r7], r3, asr #24 @ encoding: [0x43,0x2c,0x87,0xe6]
@------------------------------------------------------------------------------
@ STRB (immediate)
@------------------------------------------------------------------------------
strb r9, [r2]
strb r7, [r1, #3]
strb r6, [r4, #405]!
strb r5, [r7], #72
strb r1, [sp], #-1
@ CHECK: strb r9, [r2] @ encoding: [0x00,0x90,0xc2,0xe5]
@ CHECK: strb r7, [r1, #3] @ encoding: [0x03,0x70,0xc1,0xe5]
@ CHECK: strb r6, [r4, #405]! @ encoding: [0x95,0x61,0xe4,0xe5]
@ CHECK: strb r5, [r7], #72 @ encoding: [0x48,0x50,0xc7,0xe4]
@ CHECK: strb r1, [sp], #-1 @ encoding: [0x01,0x10,0x4d,0xe4]
@------------------------------------------------------------------------------
@ FIXME: STRB (literal)
@------------------------------------------------------------------------------
@------------------------------------------------------------------------------
@ STRB (register)
@------------------------------------------------------------------------------
strb r1, [r2, r9]
strb r2, [r3, -r8]
strb r3, [r4, r7]!
strb r4, [r5, -r6]!
strb r5, [r6], r5
strb r6, [r2], -r4
strb r7, [r12, -r3, lsl #5]
strb sp, [r7], r2, asr #12
@ CHECK: strb r1, [r2, r9] @ encoding: [0x09,0x10,0xc2,0xe7]
@ CHECK: strb r2, [r3, -r8] @ encoding: [0x08,0x20,0x43,0xe7]
@ CHECK: strb r3, [r4, r7]! @ encoding: [0x07,0x30,0xe4,0xe7]
@ CHECK: strb r4, [r5, -r6]! @ encoding: [0x06,0x40,0x65,0xe7]
@ CHECK: strb r5, [r6], r5 @ encoding: [0x05,0x50,0xc6,0xe6]
@ CHECK: strb r6, [r2], -r4 @ encoding: [0x04,0x60,0x42,0xe6]
@ CHECK: strb r7, [r12, -r3, lsl #5] @ encoding: [0x83,0x72,0x4c,0xe7]
@ CHECK: strb sp, [r7], r2, asr #12 @ encoding: [0x42,0xd6,0xc7,0xe6]
@------------------------------------------------------------------------------
@ STRBT
@------------------------------------------------------------------------------
@ FIXME: Optional offset operand.
strbt r6, [r2], #12
strbt r5, [r6], #-13
strbt r4, [r9], r5
strbt r3, [r8], -r2, lsl #3
@ CHECK: strbt r6, [r2], #12 @ encoding: [0x0c,0x60,0xe2,0xe4]
@ CHECK: strbt r5, [r6], #-13 @ encoding: [0x0d,0x50,0x66,0xe4]
@ CHECK: strbt r4, [r9], r5 @ encoding: [0x05,0x40,0xe9,0xe6]
@ CHECK: strbt r3, [r8], -r2, lsl #3 @ encoding: [0x82,0x31,0x68,0xe6]
@------------------------------------------------------------------------------
@ STRD (immediate)
@------------------------------------------------------------------------------
strd r2, r3, [r4]
strd r2, r3, [r6, #1]
strd r0, r1, [r7, #22]!
strd r4, r5, [r8], #7
strd r4, r5, [sp], #0
strd r6, r7, [lr], #+0
strd r10, r11, [r9], #-0
@ CHECK: strd r2, r3, [r4] @ encoding: [0xf0,0x20,0xc4,0xe1]
@ CHECK: strd r2, r3, [r6, #1] @ encoding: [0xf1,0x20,0xc6,0xe1]
@ CHECK: strd r0, r1, [r7, #22]! @ encoding: [0xf6,0x01,0xe7,0xe1]
@ CHECK: strd r4, r5, [r8], #7 @ encoding: [0xf7,0x40,0xc8,0xe0]
@ CHECK: strd r4, r5, [sp], #0 @ encoding: [0xf0,0x40,0xcd,0xe0]
@ CHECK: strd r6, r7, [lr], #0 @ encoding: [0xf0,0x60,0xce,0xe0]
@ CHECK: strd r10, r11, [r9], #-0 @ encoding: [0xf0,0xa0,0x49,0xe0]
@------------------------------------------------------------------------------
@ FIXME: STRD (label)
@------------------------------------------------------------------------------
@------------------------------------------------------------------------------
@ STRD (register)
@------------------------------------------------------------------------------
strd r8, r9, [r4, r1]
strd r6, r7, [r3, r9]!
strd r6, r7, [r5], r8
strd r4, r5, [r12], -r10
@ CHECK: strd r8, r9, [r4, r1] @ encoding: [0xf1,0x80,0x84,0xe1]
@ CHECK: strd r6, r7, [r3, r9]! @ encoding: [0xf9,0x60,0xa3,0xe1]
@ CHECK: strd r6, r7, [r5], r8 @ encoding: [0xf8,0x60,0x85,0xe0]
@ CHECK: strd r4, r5, [r12], -r10 @ encoding: [0xfa,0x40,0x0c,0xe0]
@------------------------------------------------------------------------------
@ STRH (immediate)
@------------------------------------------------------------------------------
strh r3, [r4]
strh r2, [r7, #4]
strh r1, [r8, #64]!
strh r12, [sp], #4
@ CHECK: strh r3, [r4] @ encoding: [0xb0,0x30,0xc4,0xe1]
@ CHECK: strh r2, [r7, #4] @ encoding: [0xb4,0x20,0xc7,0xe1]
@ CHECK: strh r1, [r8, #64]! @ encoding: [0xb0,0x14,0xe8,0xe1]
@ CHECK: strh r12, [sp], #4 @ encoding: [0xb4,0xc0,0xcd,0xe0]
@------------------------------------------------------------------------------
@ FIXME: STRH (label)
@------------------------------------------------------------------------------
@------------------------------------------------------------------------------
@ STRH (register)
@------------------------------------------------------------------------------
strh r6, [r5, r4]
strh r3, [r8, r11]!
strh r1, [r2, -r1]!
strh r9, [r7], r2
strh r4, [r3], -r2
@ CHECK: strh r6, [r5, r4] @ encoding: [0xb4,0x60,0x85,0xe1]
@ CHECK: strh r3, [r8, r11]! @ encoding: [0xbb,0x30,0xa8,0xe1]
@ CHECK: strh r1, [r2, -r1]! @ encoding: [0xb1,0x10,0x22,0xe1]
@ CHECK: strh r9, [r7], r2 @ encoding: [0xb2,0x90,0x87,0xe0]
@ CHECK: strh r4, [r3], -r2 @ encoding: [0xb2,0x40,0x03,0xe0]
@------------------------------------------------------------------------------
@ STRHT
@------------------------------------------------------------------------------
strht r2, [r5], #76
strht r8, [r1], #-25
strht r5, [r3], r4
strht r6, [r8], -r0
@ CHECK: strht r2, [r5], #76 @ encoding: [0xbc,0x24,0xe5,0xe0]
@ CHECK: strht r8, [r1], #-25 @ encoding: [0xb9,0x81,0x61,0xe0]
@ CHECK: strht r5, [r3], r4 @ encoding: [0xb4,0x50,0xa3,0xe0]
@ CHECK: strht r6, [r8], -r0 @ encoding: [0xb0,0x60,0x28,0xe0]
@------------------------------------------------------------------------------
@ GNU Assembler Compatibility
@------------------------------------------------------------------------------
ldrd r0, [sp]
strd r0, [sp]
@ CHECK: ldrd r0, r1, [sp] @ encoding: [0xd0,0x00,0xcd,0xe1]
@ CHECK: strd r0, r1, [sp] @ encoding: [0xf0,0x00,0xcd,0xe1]