Update ARM Assembly of LDM/STM.
[oota-llvm.git] / test / MC / ARM / basic-arm-instructions.s
index 773a89417e2ca5159ce9f9494e6006152c8d9c25..130f0b45d747b4d2ea2238ca0ed86d16b9bf9554 100644 (file)
@@ -122,6 +122,10 @@ _func:
 @ CHECK: adc   r4, r4, r5, rrx         @ encoding: [0x65,0x40,0xa4,0xe0]
 
 
+@------------------------------------------------------------------------------
+@ FIXME: ADR
+@------------------------------------------------------------------------------
+
 @------------------------------------------------------------------------------
 @ ADD
 @------------------------------------------------------------------------------
@@ -236,3 +240,409 @@ _func:
 @ CHECK: and   r6, r6, r7, ror r2      @ encoding: [0x77,0x62,0x06,0xe0]
 @ CHECK: and   r10, r10, r1, rrx       @ encoding: [0x61,0xa0,0x0a,0xe0]
 
+@------------------------------------------------------------------------------
+@ FIXME: ASR
+@------------------------------------------------------------------------------
+@------------------------------------------------------------------------------
+@ FIXME: B
+@------------------------------------------------------------------------------
+@------------------------------------------------------------------------------
+@ FIXME: BFC
+@------------------------------------------------------------------------------
+@------------------------------------------------------------------------------
+@ FIXME: BFI
+@------------------------------------------------------------------------------
+
+@------------------------------------------------------------------------------
+@ BIC
+@------------------------------------------------------------------------------
+  bic r10, r1, #0xf
+  bic r10, r1, r6
+  bic r10, r1, r6, lsl #10
+  bic r10, r1, r6, lsr #10
+  bic r10, r1, r6, lsr #10
+  bic r10, r1, r6, asr #10
+  bic r10, r1, r6, ror #10
+  bic r6, r7, r8, lsl r2
+  bic r6, r7, r8, lsr r2
+  bic r6, r7, r8, asr r2
+  bic r6, r7, r8, ror r2
+  bic r10, r1, r6, rrx
+
+  @ destination register is optional
+  bic r1, #0xf
+  bic r10, r1
+  bic r10, r1, lsl #10
+  bic r10, r1, lsr #10
+  bic r10, r1, lsr #10
+  bic r10, r1, asr #10
+  bic r10, r1, ror #10
+  bic r6, r7, lsl r2
+  bic r6, r7, lsr r2
+  bic r6, r7, asr r2
+  bic r6, r7, ror r2
+  bic r10, r1, rrx
+
+@ CHECK: bic   r10, r1, #15            @ encoding: [0x0f,0xa0,0xc1,0xe3]
+@ CHECK: bic   r10, r1, r6             @ encoding: [0x06,0xa0,0xc1,0xe1]
+@ CHECK: bic   r10, r1, r6, lsl #10    @ encoding: [0x06,0xa5,0xc1,0xe1]
+@ CHECK: bic   r10, r1, r6, lsr #10    @ encoding: [0x26,0xa5,0xc1,0xe1]
+@ CHECK: bic   r10, r1, r6, lsr #10    @ encoding: [0x26,0xa5,0xc1,0xe1]
+@ CHECK: bic   r10, r1, r6, asr #10    @ encoding: [0x46,0xa5,0xc1,0xe1]
+@ CHECK: bic   r10, r1, r6, ror #10    @ encoding: [0x66,0xa5,0xc1,0xe1]
+@ CHECK: bic   r6, r7, r8, lsl r2      @ encoding: [0x18,0x62,0xc7,0xe1]
+@ CHECK: bic   r6, r7, r8, lsr r2      @ encoding: [0x38,0x62,0xc7,0xe1]
+@ CHECK: bic   r6, r7, r8, asr r2      @ encoding: [0x58,0x62,0xc7,0xe1]
+@ CHECK: bic   r6, r7, r8, ror r2      @ encoding: [0x78,0x62,0xc7,0xe1]
+@ CHECK: bic   r10, r1, r6, rrx        @ encoding: [0x66,0xa0,0xc1,0xe1]
+
+
+@ CHECK: bic   r1, r1, #15             @ encoding: [0x0f,0x10,0xc1,0xe3]
+@ CHECK: bic   r10, r10, r1            @ encoding: [0x01,0xa0,0xca,0xe1]
+@ CHECK: bic   r10, r10, r1, lsl #10   @ encoding: [0x01,0xa5,0xca,0xe1]
+@ CHECK: bic   r10, r10, r1, lsr #10   @ encoding: [0x21,0xa5,0xca,0xe1]
+@ CHECK: bic   r10, r10, r1, lsr #10   @ encoding: [0x21,0xa5,0xca,0xe1]
+@ CHECK: bic   r10, r10, r1, asr #10   @ encoding: [0x41,0xa5,0xca,0xe1]
+@ CHECK: bic   r10, r10, r1, ror #10   @ encoding: [0x61,0xa5,0xca,0xe1]
+@ CHECK: bic   r6, r6, r7, lsl r2      @ encoding: [0x17,0x62,0xc6,0xe1]
+@ CHECK: bic   r6, r6, r7, lsr r2      @ encoding: [0x37,0x62,0xc6,0xe1]
+@ CHECK: bic   r6, r6, r7, asr r2      @ encoding: [0x57,0x62,0xc6,0xe1]
+@ CHECK: bic   r6, r6, r7, ror r2      @ encoding: [0x77,0x62,0xc6,0xe1]
+@ CHECK: bic   r10, r10, r1, rrx       @ encoding: [0x61,0xa0,0xca,0xe1]
+
+@------------------------------------------------------------------------------
+@ BKPT
+@------------------------------------------------------------------------------
+  bkpt #10
+  bkpt #65535
+
+@ CHECK: bkpt  #10                      @ encoding: [0x7a,0x00,0x20,0xe1]
+@ CHECK: bkpt  #65535                   @ encoding: [0x7f,0xff,0x2f,0xe1]
+
+@------------------------------------------------------------------------------
+@ BL/BLX (immediate)
+@------------------------------------------------------------------------------
+
+  bl _bar
+  @ FIXME: blx _bar
+
+@ CHECK: bl  _bar @ encoding: [A,A,A,0xeb]
+@ CHECK:   @   fixup A - offset: 0, value: _bar, kind: fixup_arm_uncondbranch
+
+@------------------------------------------------------------------------------
+@ BLX (register)
+@------------------------------------------------------------------------------
+  blx r2
+  blxne r2
+
+@ CHECK: blx r2                         @ encoding: [0x32,0xff,0x2f,0xe1]
+@ CHECK: blxne r2                       @ encoding: [0x32,0xff,0x2f,0x11]
+
+@------------------------------------------------------------------------------
+@ BX
+@------------------------------------------------------------------------------
+
+  bx r2
+  bxne r2
+
+@ CHECK: bx    r2                      @ encoding: [0x12,0xff,0x2f,0xe1]
+@ CHECK: bxne  r2                      @ encoding: [0x12,0xff,0x2f,0x11]
+
+@------------------------------------------------------------------------------
+@ BXJ
+@------------------------------------------------------------------------------
+
+  bxj r2
+  bxjne r2
+
+@ CHECK: bxj   r2                      @ encoding: [0x22,0xff,0x2f,0xe1]
+@ CHECK: bxjne r2                      @ encoding: [0x22,0xff,0x2f,0x11]
+
+@------------------------------------------------------------------------------
+@ FIXME: CBNZ/CBZ
+@------------------------------------------------------------------------------
+
+
+@------------------------------------------------------------------------------
+@ CDP/CDP2
+@------------------------------------------------------------------------------
+  cdp  p7, #1, c1, c1, c1, #4
+  cdp2  p7, #1, c1, c1, c1, #4
+
+@ CHECK: cdp  p7, #1, c1, c1, c1, #4     @ encoding: [0x81,0x17,0x11,0xee]
+@ CHECK: cdp2  p7, #1, c1, c1, c1, #4    @ encoding: [0x81,0x17,0x11,0xfe]
+
+
+@------------------------------------------------------------------------------
+@ CLREX
+@------------------------------------------------------------------------------
+  clrex
+
+@ CHECK: clrex                           @ encoding: [0x1f,0xf0,0x7f,0xf5]
+
+
+@------------------------------------------------------------------------------
+@ CLZ
+@------------------------------------------------------------------------------
+  clz r1, r2
+  clzeq r1, r2
+
+@ CHECK: clz r1, r2                      @ encoding: [0x12,0x1f,0x6f,0xe1]
+@ CHECK: clzeq r1, r2                    @ encoding: [0x12,0x1f,0x6f,0x01]
+
+@------------------------------------------------------------------------------
+@ CMN
+@------------------------------------------------------------------------------
+  cmn r1, #0xf
+  cmn r1, r6
+  cmn r1, r6, lsl #10
+  cmn r1, r6, lsr #10
+  cmn sp, r6, lsr #10
+  cmn r1, r6, asr #10
+  cmn r1, r6, ror #10
+  cmn r7, r8, lsl r2
+  cmn sp, r8, lsr r2
+  cmn r7, r8, asr r2
+  cmn r7, r8, ror r2
+  cmn r1, r6, rrx
+
+@ CHECK: cmn   r1, #15                 @ encoding: [0x0f,0x00,0x71,0xe3]
+@ CHECK: cmn   r1, r6                  @ encoding: [0x06,0x00,0x71,0xe1]
+@ CHECK: cmn   r1, r6, lsl #10         @ encoding: [0x06,0x05,0x71,0xe1]
+@ CHECK: cmn   r1, r6, lsr #10         @ encoding: [0x26,0x05,0x71,0xe1]
+@ CHECK: cmn   sp, r6, lsr #10         @ encoding: [0x26,0x05,0x7d,0xe1]
+@ CHECK: cmn   r1, r6, asr #10         @ encoding: [0x46,0x05,0x71,0xe1]
+@ CHECK: cmn   r1, r6, ror #10         @ encoding: [0x66,0x05,0x71,0xe1]
+@ CHECK: cmn   r7, r8, lsl r2          @ encoding: [0x18,0x02,0x77,0xe1]
+@ CHECK: cmn   sp, r8, lsr r2          @ encoding: [0x38,0x02,0x7d,0xe1]
+@ CHECK: cmn   r7, r8, asr r2          @ encoding: [0x58,0x02,0x77,0xe1]
+@ CHECK: cmn   r7, r8, ror r2          @ encoding: [0x78,0x02,0x77,0xe1]
+@ CHECK: cmn   r1, r6, rrx             @ encoding: [0x66,0x00,0x71,0xe1]
+
+@------------------------------------------------------------------------------
+@ CMP
+@------------------------------------------------------------------------------
+  cmp r1, #0xf
+  cmp r1, r6
+  cmp r1, r6, lsl #10
+  cmp r1, r6, lsr #10
+  cmp sp, r6, lsr #10
+  cmp r1, r6, asr #10
+  cmp r1, r6, ror #10
+  cmp r7, r8, lsl r2
+  cmp sp, r8, lsr r2
+  cmp r7, r8, asr r2
+  cmp r7, r8, ror r2
+  cmp r1, r6, rrx
+
+@ CHECK: cmp   r1, #15                 @ encoding: [0x0f,0x00,0x51,0xe3]
+@ CHECK: cmp   r1, r6                  @ encoding: [0x06,0x00,0x51,0xe1]
+@ CHECK: cmp   r1, r6, lsl #10         @ encoding: [0x06,0x05,0x51,0xe1]
+@ CHECK: cmp   r1, r6, lsr #10         @ encoding: [0x26,0x05,0x51,0xe1]
+@ CHECK: cmp   sp, r6, lsr #10         @ encoding: [0x26,0x05,0x5d,0xe1]
+@ CHECK: cmp   r1, r6, asr #10         @ encoding: [0x46,0x05,0x51,0xe1]
+@ CHECK: cmp   r1, r6, ror #10         @ encoding: [0x66,0x05,0x51,0xe1]
+@ CHECK: cmp   r7, r8, lsl r2          @ encoding: [0x18,0x02,0x57,0xe1]
+@ CHECK: cmp   sp, r8, lsr r2          @ encoding: [0x38,0x02,0x5d,0xe1]
+@ CHECK: cmp   r7, r8, asr r2          @ encoding: [0x58,0x02,0x57,0xe1]
+@ CHECK: cmp   r7, r8, ror r2          @ encoding: [0x78,0x02,0x57,0xe1]
+@ CHECK: cmp   r1, r6, rrx             @ encoding: [0x66,0x00,0x51,0xe1]
+
+@------------------------------------------------------------------------------
+@ DBG
+@------------------------------------------------------------------------------
+  dbg #0
+  dbg #5
+  dbg #15
+
+@ CHECK: dbg #0                         @ encoding: [0xf0,0xf0,0x20,0xe3]
+@ CHECK: dbg #5                         @ encoding: [0xf5,0xf0,0x20,0xe3]
+@ CHECK: dbg #15                        @ encoding: [0xff,0xf0,0x20,0xe3]
+
+
+@------------------------------------------------------------------------------
+@ DMB
+@------------------------------------------------------------------------------
+  dmb sy
+  dmb st
+  dmb sh
+  dmb ish
+  dmb shst
+  dmb ishst
+  dmb un
+  dmb nsh
+  dmb unst
+  dmb nshst
+  dmb osh
+  dmb oshst
+  dmb
+
+@ CHECK: dmb   sy                      @ encoding: [0x5f,0xf0,0x7f,0xf5]
+@ CHECK: dmb   st                      @ encoding: [0x5e,0xf0,0x7f,0xf5]
+@ CHECK: dmb   ish                     @ encoding: [0x5b,0xf0,0x7f,0xf5]
+@ CHECK: dmb   ish                     @ encoding: [0x5b,0xf0,0x7f,0xf5]
+@ CHECK: dmb   ishst                   @ encoding: [0x5a,0xf0,0x7f,0xf5]
+@ CHECK: dmb   ishst                   @ encoding: [0x5a,0xf0,0x7f,0xf5]
+@ CHECK: dmb   nsh                     @ encoding: [0x57,0xf0,0x7f,0xf5]
+@ CHECK: dmb   nsh                     @ encoding: [0x57,0xf0,0x7f,0xf5]
+@ CHECK: dmb   nshst                   @ encoding: [0x56,0xf0,0x7f,0xf5]
+@ CHECK: dmb   nshst                   @ encoding: [0x56,0xf0,0x7f,0xf5]
+@ CHECK: dmb   osh                     @ encoding: [0x53,0xf0,0x7f,0xf5]
+@ CHECK: dmb   oshst                   @ encoding: [0x52,0xf0,0x7f,0xf5]
+@ CHECK: dmb   sy                      @ encoding: [0x5f,0xf0,0x7f,0xf5]
+
+@------------------------------------------------------------------------------
+@ DSB
+@------------------------------------------------------------------------------
+  dsb sy
+  dsb st
+  dsb sh
+  dsb ish
+  dsb shst
+  dsb ishst
+  dsb un
+  dsb nsh
+  dsb unst
+  dsb nshst
+  dsb osh
+  dsb oshst
+  dsb
+
+@ CHECK: dsb   sy                      @ encoding: [0x4f,0xf0,0x7f,0xf5]
+@ CHECK: dsb   st                      @ encoding: [0x4e,0xf0,0x7f,0xf5]
+@ CHECK: dsb   ish                     @ encoding: [0x4b,0xf0,0x7f,0xf5]
+@ CHECK: dsb   ish                     @ encoding: [0x4b,0xf0,0x7f,0xf5]
+@ CHECK: dsb   ishst                   @ encoding: [0x4a,0xf0,0x7f,0xf5]
+@ CHECK: dsb   ishst                   @ encoding: [0x4a,0xf0,0x7f,0xf5]
+@ CHECK: dsb   nsh                     @ encoding: [0x47,0xf0,0x7f,0xf5]
+@ CHECK: dsb   nsh                     @ encoding: [0x47,0xf0,0x7f,0xf5]
+@ CHECK: dsb   nshst                   @ encoding: [0x46,0xf0,0x7f,0xf5]
+@ CHECK: dsb   nshst                   @ encoding: [0x46,0xf0,0x7f,0xf5]
+@ CHECK: dsb   osh                     @ encoding: [0x43,0xf0,0x7f,0xf5]
+@ CHECK: dsb   oshst                   @ encoding: [0x42,0xf0,0x7f,0xf5]
+@ CHECK: dsb   sy                      @ encoding: [0x4f,0xf0,0x7f,0xf5]
+
+@------------------------------------------------------------------------------
+@ EOR
+@------------------------------------------------------------------------------
+  eor r4, r5, #0xf000
+  eor r4, r5, r6
+  eor r4, r5, r6, lsl #5
+  eor r4, r5, r6, lsr #5
+  eor r4, r5, r6, lsr #5
+  eor r4, r5, r6, asr #5
+  eor r4, r5, r6, ror #5
+  eor r6, r7, r8, lsl r9
+  eor r6, r7, r8, lsr r9
+  eor r6, r7, r8, asr r9
+  eor r6, r7, r8, ror r9
+  eor r4, r5, r6, rrx
+
+  @ destination register is optional
+  eor r5, #0xf000
+  eor r4, r5
+  eor r4, r5, lsl #5
+  eor r4, r5, lsr #5
+  eor r4, r5, lsr #5
+  eor r4, r5, asr #5
+  eor r4, r5, ror #5
+  eor r6, r7, lsl r9
+  eor r6, r7, lsr r9
+  eor r6, r7, asr r9
+  eor r6, r7, ror r9
+  eor r4, r5, rrx
+
+@ CHECK: eor   r4, r5, #61440          @ encoding: [0x0f,0x4a,0x25,0xe2]
+@ CHECK: eor   r4, r5, r6              @ encoding: [0x06,0x40,0x25,0xe0]
+@ CHECK: eor   r4, r5, r6, lsl #5      @ encoding: [0x86,0x42,0x25,0xe0]
+@ CHECK: eor   r4, r5, r6, lsr #5      @ encoding: [0xa6,0x42,0x25,0xe0]
+@ CHECK: eor   r4, r5, r6, lsr #5      @ encoding: [0xa6,0x42,0x25,0xe0]
+@ CHECK: eor   r4, r5, r6, asr #5      @ encoding: [0xc6,0x42,0x25,0xe0]
+@ CHECK: eor   r4, r5, r6, ror #5      @ encoding: [0xe6,0x42,0x25,0xe0]
+@ CHECK: eor   r6, r7, r8, lsl r9      @ encoding: [0x18,0x69,0x27,0xe0]
+@ CHECK: eor   r6, r7, r8, lsr r9      @ encoding: [0x38,0x69,0x27,0xe0]
+@ CHECK: eor   r6, r7, r8, asr r9      @ encoding: [0x58,0x69,0x27,0xe0]
+@ CHECK: eor   r6, r7, r8, ror r9      @ encoding: [0x78,0x69,0x27,0xe0]
+@ CHECK: eor   r4, r5, r6, rrx         @ encoding: [0x66,0x40,0x25,0xe0]
+
+
+@ CHECK: eor   r5, r5, #61440          @ encoding: [0x0f,0x5a,0x25,0xe2]
+@ CHECK: eor   r4, r4, r5              @ encoding: [0x05,0x40,0x24,0xe0]
+@ CHECK: eor   r4, r4, r5, lsl #5      @ encoding: [0x85,0x42,0x24,0xe0]
+@ CHECK: eor   r4, r4, r5, lsr #5      @ encoding: [0xa5,0x42,0x24,0xe0]
+@ CHECK: eor   r4, r4, r5, lsr #5      @ encoding: [0xa5,0x42,0x24,0xe0]
+@ CHECK: eor   r4, r4, r5, asr #5      @ encoding: [0xc5,0x42,0x24,0xe0]
+@ CHECK: eor   r4, r4, r5, ror #5      @ encoding: [0xe5,0x42,0x24,0xe0]
+@ CHECK: eor   r6, r6, r7, lsl r9      @ encoding: [0x17,0x69,0x26,0xe0]
+@ CHECK: eor   r6, r6, r7, lsr r9      @ encoding: [0x37,0x69,0x26,0xe0]
+@ CHECK: eor   r6, r6, r7, asr r9      @ encoding: [0x57,0x69,0x26,0xe0]
+@ CHECK: eor   r6, r6, r7, ror r9      @ encoding: [0x77,0x69,0x26,0xe0]
+@ CHECK: eor   r4, r4, r5, rrx         @ encoding: [0x65,0x40,0x24,0xe0]
+
+
+@------------------------------------------------------------------------------
+@ ISB
+@------------------------------------------------------------------------------
+        isb sy
+        isb
+
+@ CHECK: isb sy                         @ encoding: [0x6f,0xf0,0x7f,0xf5]
+@ CHECK: isb sy                         @ encoding: [0x6f,0xf0,0x7f,0xf5]
+
+
+
+@------------------------------------------------------------------------------
+@ LDM*
+@------------------------------------------------------------------------------
+        ldm       r2, {r1,r3-r6,sp}
+        ldmia     r2, {r1,r3-r6,sp}
+        ldmib     r2, {r1,r3-r6,sp}
+        ldmda     r2, {r1,r3-r6,sp}
+        ldmdb     r2, {r1,r3-r6,sp}
+        ldmfd     r2, {r1,r3-r6,sp}
+
+        @ with update
+        ldm       r2!, {r1,r3-r6,sp}
+        ldmib     r2!, {r1,r3-r6,sp}
+        ldmda     r2!, {r1,r3-r6,sp}
+        ldmdb     r2!, {r1,r3-r6,sp}
+
+@ CHECK: ldm   r2, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x92,0xe8]
+@ CHECK: ldm   r2, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x92,0xe8]
+@ CHECK: ldmib r2, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x92,0xe9]
+@ CHECK: ldmda r2, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x12,0xe8]
+@ CHECK: ldmdb r2, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x12,0xe9]
+@ CHECK: ldm   r2, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x92,0xe8]
+
+@ CHECK: ldm   r2!, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0xb2,0xe8]
+@ CHECK: ldmib r2!, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0xb2,0xe9]
+@ CHECK: ldmda r2!, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x32,0xe8]
+@ CHECK: ldmdb r2!, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x32,0xe9]
+
+
+@------------------------------------------------------------------------------
+@ STM*
+@------------------------------------------------------------------------------
+        stm       r2, {r1,r3-r6,sp}
+        stmia     r2, {r1,r3-r6,sp}
+        stmib     r2, {r1,r3-r6,sp}
+        stmda     r2, {r1,r3-r6,sp}
+        stmdb     r2, {r1,r3-r6,sp}
+        stmfd     r2, {r1,r3-r6,sp}
+
+        @ with update
+        stmia     r2!, {r1,r3-r6,sp}
+        stmib     r2!, {r1,r3-r6,sp}
+        stmda     r2!, {r1,r3-r6,sp}
+        stmdb     r2!, {r1,r3-r6,sp}
+@ CHECK: stm   r2, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x82,0xe8]
+@ CHECK: stm   r2, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x82,0xe8]
+@ CHECK: stmib r2, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x82,0xe9]
+@ CHECK: stmda r2, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x02,0xe8]
+@ CHECK: stmdb r2, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x02,0xe9]
+@ CHECK: stmdb r2, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x02,0xe9]
+
+@ CHECK: stm   r2!, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0xa2,0xe8]
+@ CHECK: stmib r2!, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0xa2,0xe9]
+@ CHECK: stmda r2!, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x22,0xe8]
+@ CHECK: stmdb r2!, {r1, r3, r4, r5, r6, sp} @ encoding: [0x7a,0x20,0x22,0xe9]