llvm-6502/test/MC/ARM/arm-memory-instructions.s
Saleem Abdulrasool 003132d48c ARM IAS: support GNU extension for ldrd, strd
The GNU assembler has an extension that allows for the elision of the paired
register (dt2) for the LDRD and STRD mnemonics.  Add support for this in the
assembly parser.  Canonicalise the usage during the instruction parsing from
the specified version.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198915 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-10 04:38:35 +00:00

499 lines
21 KiB
ArmAsm

@ 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 r1, r2, [r4]
strd r2, r3, [r6, #1]
strd r3, r4, [r7, #22]!
strd r4, r5, [r8], #7
strd r5, r6, [sp], #0
strd r6, r7, [lr], #+0
strd r7, r8, [r9], #-0
@ CHECK: strd r1, r2, [r4] @ encoding: [0xf0,0x10,0xc4,0xe1]
@ CHECK: strd r2, r3, [r6, #1] @ encoding: [0xf1,0x20,0xc6,0xe1]
@ CHECK: strd r3, r4, [r7, #22]! @ encoding: [0xf6,0x31,0xe7,0xe1]
@ CHECK: strd r4, r5, [r8], #7 @ encoding: [0xf7,0x40,0xc8,0xe0]
@ CHECK: strd r5, r6, [sp], #0 @ encoding: [0xf0,0x50,0xcd,0xe0]
@ CHECK: strd r6, r7, [lr], #0 @ encoding: [0xf0,0x60,0xce,0xe0]
@ CHECK: strd r7, r8, [r9], #-0 @ encoding: [0xf0,0x70,0x49,0xe0]
@------------------------------------------------------------------------------
@ FIXME: STRD (label)
@------------------------------------------------------------------------------
@------------------------------------------------------------------------------
@ STRD (register)
@------------------------------------------------------------------------------
strd r8, r9, [r4, r1]
strd r7, r8, [r3, r9]!
strd r6, r7, [r5], r8
strd r5, r6, [r12], -r10
@ CHECK: strd r8, r9, [r4, r1] @ encoding: [0xf1,0x80,0x84,0xe1]
@ CHECK: strd r7, r8, [r3, r9]! @ encoding: [0xf9,0x70,0xa3,0xe1]
@ CHECK: strd r6, r7, [r5], r8 @ encoding: [0xf8,0x60,0x85,0xe0]
@ CHECK: strd r5, r6, [r12], -r10 @ encoding: [0xfa,0x50,0x0c,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]