|  | ; RUN: llvm-mc -triple arm64-apple-darwin -mattr=neon -show-encoding < %s | FileCheck %s | 
|  |  | 
|  | foo: | 
|  | ;==---------------------------------------------------------------------------== | 
|  | ; Add/Subtract with carry/borrow | 
|  | ;==---------------------------------------------------------------------------== | 
|  |  | 
|  | adc   w1, w2, w3 | 
|  | adc   x1, x2, x3 | 
|  | adcs  w5, w4, w3 | 
|  | adcs  x5, x4, x3 | 
|  |  | 
|  | ; CHECK: adc  w1, w2, w3             ; encoding: [0x41,0x00,0x03,0x1a] | 
|  | ; CHECK: adc  x1, x2, x3             ; encoding: [0x41,0x00,0x03,0x9a] | 
|  | ; CHECK: adcs w5, w4, w3             ; encoding: [0x85,0x00,0x03,0x3a] | 
|  | ; CHECK: adcs x5, x4, x3             ; encoding: [0x85,0x00,0x03,0xba] | 
|  |  | 
|  | sbc   w1, w2, w3 | 
|  | sbc   x1, x2, x3 | 
|  | sbcs  w1, w2, w3 | 
|  | sbcs  x1, x2, x3 | 
|  |  | 
|  | ; CHECK: sbc  w1, w2, w3             ; encoding: [0x41,0x00,0x03,0x5a] | 
|  | ; CHECK: sbc  x1, x2, x3             ; encoding: [0x41,0x00,0x03,0xda] | 
|  | ; CHECK: sbcs w1, w2, w3             ; encoding: [0x41,0x00,0x03,0x7a] | 
|  | ; CHECK: sbcs x1, x2, x3             ; encoding: [0x41,0x00,0x03,0xfa] | 
|  |  | 
|  | ;==---------------------------------------------------------------------------== | 
|  | ; Add/Subtract with (optionally shifted) immediate | 
|  | ;==---------------------------------------------------------------------------== | 
|  |  | 
|  | add w3, w4, #1024 | 
|  | add w3, w4, #1024, lsl #0 | 
|  | add x3, x4, #1024 | 
|  | add x3, x4, #1024, lsl #0 | 
|  |  | 
|  | ; CHECK: add w3, w4, #1024           ; encoding: [0x83,0x00,0x10,0x11] | 
|  | ; CHECK: add w3, w4, #1024           ; encoding: [0x83,0x00,0x10,0x11] | 
|  | ; CHECK: add x3, x4, #1024           ; encoding: [0x83,0x00,0x10,0x91] | 
|  | ; CHECK: add x3, x4, #1024           ; encoding: [0x83,0x00,0x10,0x91] | 
|  |  | 
|  | add w3, w4, #1024, lsl #12 | 
|  | add w3, w4, #4194304 | 
|  | add w3, w4, #0, lsl #12 | 
|  | add x3, x4, #1024, lsl #12 | 
|  | add x3, x4, #4194304 | 
|  | add x3, x4, #0, lsl #12 | 
|  | add sp, sp, #32 | 
|  |  | 
|  | ; CHECK: add w3, w4, #1024, lsl #12  ; encoding: [0x83,0x00,0x50,0x11] | 
|  | ; CHECK: add w3, w4, #1024, lsl #12  ; encoding: [0x83,0x00,0x50,0x11] | 
|  | ; CHECK: add w3, w4, #0, lsl #12     ; encoding: [0x83,0x00,0x40,0x11] | 
|  | ; CHECK: add x3, x4, #1024, lsl #12  ; encoding: [0x83,0x00,0x50,0x91] | 
|  | ; CHECK: add x3, x4, #1024, lsl #12  ; encoding: [0x83,0x00,0x50,0x91] | 
|  | ; CHECK: add x3, x4, #0, lsl #12     ; encoding: [0x83,0x00,0x40,0x91] | 
|  | ; CHECK: add sp, sp, #32             ; encoding: [0xff,0x83,0x00,0x91] | 
|  |  | 
|  | adds w3, w4, #1024 | 
|  | adds w3, w4, #1024, lsl #0 | 
|  | adds w3, w4, #1024, lsl #12 | 
|  | adds x3, x4, #1024 | 
|  | adds x3, x4, #1024, lsl #0 | 
|  | adds x3, x4, #1024, lsl #12 | 
|  |  | 
|  | ; CHECK: adds w3, w4, #1024          ; encoding: [0x83,0x00,0x10,0x31] | 
|  | ; CHECK: adds w3, w4, #1024          ; encoding: [0x83,0x00,0x10,0x31] | 
|  | ; CHECK: adds w3, w4, #1024, lsl #12 ; encoding: [0x83,0x00,0x50,0x31] | 
|  | ; CHECK: adds x3, x4, #1024          ; encoding: [0x83,0x00,0x10,0xb1] | 
|  | ; CHECK: adds x3, x4, #1024          ; encoding: [0x83,0x00,0x10,0xb1] | 
|  | ; CHECK: adds x3, x4, #1024, lsl #12 ; encoding: [0x83,0x00,0x50,0xb1] | 
|  |  | 
|  | sub w3, w4, #1024 | 
|  | sub w3, w4, #1024, lsl #0 | 
|  | sub w3, w4, #1024, lsl #12 | 
|  | sub x3, x4, #1024 | 
|  | sub x3, x4, #1024, lsl #0 | 
|  | sub x3, x4, #1024, lsl #12 | 
|  | sub sp, sp, #32 | 
|  |  | 
|  | ; CHECK: sub w3, w4, #1024           ; encoding: [0x83,0x00,0x10,0x51] | 
|  | ; CHECK: sub w3, w4, #1024           ; encoding: [0x83,0x00,0x10,0x51] | 
|  | ; CHECK: sub w3, w4, #1024, lsl #12  ; encoding: [0x83,0x00,0x50,0x51] | 
|  | ; CHECK: sub x3, x4, #1024           ; encoding: [0x83,0x00,0x10,0xd1] | 
|  | ; CHECK: sub x3, x4, #1024           ; encoding: [0x83,0x00,0x10,0xd1] | 
|  | ; CHECK: sub x3, x4, #1024, lsl #12  ; encoding: [0x83,0x00,0x50,0xd1] | 
|  | ; CHECK: sub sp, sp, #32             ; encoding: [0xff,0x83,0x00,0xd1] | 
|  |  | 
|  | subs w3, w4, #1024 | 
|  | subs w3, w4, #1024, lsl #0 | 
|  | subs w3, w4, #1024, lsl #12 | 
|  | subs x3, x4, #1024 | 
|  | subs x3, x4, #1024, lsl #0 | 
|  | subs x3, x4, #1024, lsl #12 | 
|  |  | 
|  | ; CHECK: subs w3, w4, #1024          ; encoding: [0x83,0x00,0x10,0x71] | 
|  | ; CHECK: subs w3, w4, #1024          ; encoding: [0x83,0x00,0x10,0x71] | 
|  | ; CHECK: subs w3, w4, #1024, lsl #12 ; encoding: [0x83,0x00,0x50,0x71] | 
|  | ; CHECK: subs x3, x4, #1024          ; encoding: [0x83,0x00,0x10,0xf1] | 
|  | ; CHECK: subs x3, x4, #1024          ; encoding: [0x83,0x00,0x10,0xf1] | 
|  | ; CHECK: subs x3, x4, #1024, lsl #12 ; encoding: [0x83,0x00,0x50,0xf1] | 
|  |  | 
|  | ;==---------------------------------------------------------------------------== | 
|  | ; Add/Subtract register with (optional) shift | 
|  | ;==---------------------------------------------------------------------------== | 
|  |  | 
|  | add w12, w13, w14 | 
|  | add x12, x13, x14 | 
|  | add w12, w13, w14, lsl #12 | 
|  | add x12, x13, x14, lsl #12 | 
|  | add x12, x13, x14, lsr #42 | 
|  | add x12, x13, x14, asr #39 | 
|  |  | 
|  | ; CHECK: add w12, w13, w14           ; encoding: [0xac,0x01,0x0e,0x0b] | 
|  | ; CHECK: add x12, x13, x14           ; encoding: [0xac,0x01,0x0e,0x8b] | 
|  | ; CHECK: add w12, w13, w14, lsl #12  ; encoding: [0xac,0x31,0x0e,0x0b] | 
|  | ; CHECK: add x12, x13, x14, lsl #12  ; encoding: [0xac,0x31,0x0e,0x8b] | 
|  | ; CHECK: add x12, x13, x14, lsr #42  ; encoding: [0xac,0xa9,0x4e,0x8b] | 
|  | ; CHECK: add x12, x13, x14, asr #39  ; encoding: [0xac,0x9d,0x8e,0x8b] | 
|  |  | 
|  | sub w12, w13, w14 | 
|  | sub x12, x13, x14 | 
|  | sub w12, w13, w14, lsl #12 | 
|  | sub x12, x13, x14, lsl #12 | 
|  | sub x12, x13, x14, lsr #42 | 
|  | sub x12, x13, x14, asr #39 | 
|  |  | 
|  | ; CHECK: sub w12, w13, w14           ; encoding: [0xac,0x01,0x0e,0x4b] | 
|  | ; CHECK: sub x12, x13, x14           ; encoding: [0xac,0x01,0x0e,0xcb] | 
|  | ; CHECK: sub w12, w13, w14, lsl #12  ; encoding: [0xac,0x31,0x0e,0x4b] | 
|  | ; CHECK: sub x12, x13, x14, lsl #12  ; encoding: [0xac,0x31,0x0e,0xcb] | 
|  | ; CHECK: sub x12, x13, x14, lsr #42  ; encoding: [0xac,0xa9,0x4e,0xcb] | 
|  | ; CHECK: sub x12, x13, x14, asr #39  ; encoding: [0xac,0x9d,0x8e,0xcb] | 
|  |  | 
|  | adds w12, w13, w14 | 
|  | adds x12, x13, x14 | 
|  | adds w12, w13, w14, lsl #12 | 
|  | adds x12, x13, x14, lsl #12 | 
|  | adds x12, x13, x14, lsr #42 | 
|  | adds x12, x13, x14, asr #39 | 
|  |  | 
|  | ; CHECK: adds w12, w13, w14          ; encoding: [0xac,0x01,0x0e,0x2b] | 
|  | ; CHECK: adds x12, x13, x14          ; encoding: [0xac,0x01,0x0e,0xab] | 
|  | ; CHECK: adds w12, w13, w14, lsl #12 ; encoding: [0xac,0x31,0x0e,0x2b] | 
|  | ; CHECK: adds x12, x13, x14, lsl #12 ; encoding: [0xac,0x31,0x0e,0xab] | 
|  | ; CHECK: adds x12, x13, x14, lsr #42 ; encoding: [0xac,0xa9,0x4e,0xab] | 
|  | ; CHECK: adds x12, x13, x14, asr #39 ; encoding: [0xac,0x9d,0x8e,0xab] | 
|  |  | 
|  | subs w12, w13, w14 | 
|  | subs x12, x13, x14 | 
|  | subs w12, w13, w14, lsl #12 | 
|  | subs x12, x13, x14, lsl #12 | 
|  | subs x12, x13, x14, lsr #42 | 
|  | subs x12, x13, x14, asr #39 | 
|  |  | 
|  | ; CHECK: subs w12, w13, w14          ; encoding: [0xac,0x01,0x0e,0x6b] | 
|  | ; CHECK: subs x12, x13, x14          ; encoding: [0xac,0x01,0x0e,0xeb] | 
|  | ; CHECK: subs w12, w13, w14, lsl #12 ; encoding: [0xac,0x31,0x0e,0x6b] | 
|  | ; CHECK: subs x12, x13, x14, lsl #12 ; encoding: [0xac,0x31,0x0e,0xeb] | 
|  | ; CHECK: subs x12, x13, x14, lsr #42 ; encoding: [0xac,0xa9,0x4e,0xeb] | 
|  | ; CHECK: subs x12, x13, x14, asr #39 ; encoding: [0xac,0x9d,0x8e,0xeb] | 
|  |  | 
|  | ; Check use of upper case register names rdar://14354073 | 
|  | add X2, X2, X2 | 
|  | ; CHECK: add x2, x2, x2              ; encoding: [0x42,0x00,0x02,0x8b] | 
|  |  | 
|  | ;==---------------------------------------------------------------------------== | 
|  | ; Add/Subtract with (optional) extend | 
|  | ;==---------------------------------------------------------------------------== | 
|  |  | 
|  | add w1, w2, w3, uxtb | 
|  | add w1, w2, w3, uxth | 
|  | add w1, w2, w3, uxtw | 
|  | add w1, w2, w3, uxtx | 
|  | add w1, w2, w3, sxtb | 
|  | add w1, w2, w3, sxth | 
|  | add w1, w2, w3, sxtw | 
|  | add w1, w2, w3, sxtx | 
|  |  | 
|  | ; CHECK: add w1, w2, w3, uxtb        ; encoding: [0x41,0x00,0x23,0x0b] | 
|  | ; CHECK: add w1, w2, w3, uxth        ; encoding: [0x41,0x20,0x23,0x0b] | 
|  | ; CHECK: add w1, w2, w3, uxtw        ; encoding: [0x41,0x40,0x23,0x0b] | 
|  | ; CHECK: add w1, w2, w3, uxtx        ; encoding: [0x41,0x60,0x23,0x0b] | 
|  | ; CHECK: add w1, w2, w3, sxtb        ; encoding: [0x41,0x80,0x23,0x0b] | 
|  | ; CHECK: add w1, w2, w3, sxth        ; encoding: [0x41,0xa0,0x23,0x0b] | 
|  | ; CHECK: add w1, w2, w3, sxtw        ; encoding: [0x41,0xc0,0x23,0x0b] | 
|  | ; CHECK: add w1, w2, w3, sxtx        ; encoding: [0x41,0xe0,0x23,0x0b] | 
|  |  | 
|  | add x1, x2, w3, uxtb | 
|  | add x1, x2, w3, uxth | 
|  | add x1, x2, w3, uxtw | 
|  | add x1, x2, w3, sxtb | 
|  | add x1, x2, w3, sxth | 
|  | add x1, x2, w3, sxtw | 
|  |  | 
|  | ; CHECK: add x1, x2, w3, uxtb        ; encoding: [0x41,0x00,0x23,0x8b] | 
|  | ; CHECK: add x1, x2, w3, uxth        ; encoding: [0x41,0x20,0x23,0x8b] | 
|  | ; CHECK: add x1, x2, w3, uxtw        ; encoding: [0x41,0x40,0x23,0x8b] | 
|  | ; CHECK: add x1, x2, w3, sxtb        ; encoding: [0x41,0x80,0x23,0x8b] | 
|  | ; CHECK: add x1, x2, w3, sxth        ; encoding: [0x41,0xa0,0x23,0x8b] | 
|  | ; CHECK: add x1, x2, w3, sxtw        ; encoding: [0x41,0xc0,0x23,0x8b] | 
|  |  | 
|  | add w1, wsp, w3 | 
|  | add w1, wsp, w3, uxtw #0 | 
|  | add w2, wsp, w3, lsl #1 | 
|  | add sp, x2, x3 | 
|  | add sp, x2, x3, uxtx #0 | 
|  |  | 
|  | ; CHECK: add w1, wsp, w3             ; encoding: [0xe1,0x43,0x23,0x0b] | 
|  | ; CHECK: add w1, wsp, w3             ; encoding: [0xe1,0x43,0x23,0x0b] | 
|  | ; CHECK: add w2, wsp, w3, lsl #1     ; encoding: [0xe2,0x47,0x23,0x0b] | 
|  | ; CHECK: add sp, x2, x3              ; encoding: [0x5f,0x60,0x23,0x8b] | 
|  | ; CHECK: add sp, x2, x3              ; encoding: [0x5f,0x60,0x23,0x8b] | 
|  |  | 
|  | sub w1, w2, w3, uxtb | 
|  | sub w1, w2, w3, uxth | 
|  | sub w1, w2, w3, uxtw | 
|  | sub w1, w2, w3, uxtx | 
|  | sub w1, w2, w3, sxtb | 
|  | sub w1, w2, w3, sxth | 
|  | sub w1, w2, w3, sxtw | 
|  | sub w1, w2, w3, sxtx | 
|  |  | 
|  | ; CHECK: sub w1, w2, w3, uxtb        ; encoding: [0x41,0x00,0x23,0x4b] | 
|  | ; CHECK: sub w1, w2, w3, uxth        ; encoding: [0x41,0x20,0x23,0x4b] | 
|  | ; CHECK: sub w1, w2, w3, uxtw        ; encoding: [0x41,0x40,0x23,0x4b] | 
|  | ; CHECK: sub w1, w2, w3, uxtx        ; encoding: [0x41,0x60,0x23,0x4b] | 
|  | ; CHECK: sub w1, w2, w3, sxtb        ; encoding: [0x41,0x80,0x23,0x4b] | 
|  | ; CHECK: sub w1, w2, w3, sxth        ; encoding: [0x41,0xa0,0x23,0x4b] | 
|  | ; CHECK: sub w1, w2, w3, sxtw        ; encoding: [0x41,0xc0,0x23,0x4b] | 
|  | ; CHECK: sub w1, w2, w3, sxtx        ; encoding: [0x41,0xe0,0x23,0x4b] | 
|  |  | 
|  | sub x1, x2, w3, uxtb | 
|  | sub x1, x2, w3, uxth | 
|  | sub x1, x2, w3, uxtw | 
|  | sub x1, x2, w3, sxtb | 
|  | sub x1, x2, w3, sxth | 
|  | sub x1, x2, w3, sxtw | 
|  |  | 
|  | ; CHECK: sub x1, x2, w3, uxtb        ; encoding: [0x41,0x00,0x23,0xcb] | 
|  | ; CHECK: sub x1, x2, w3, uxth        ; encoding: [0x41,0x20,0x23,0xcb] | 
|  | ; CHECK: sub x1, x2, w3, uxtw        ; encoding: [0x41,0x40,0x23,0xcb] | 
|  | ; CHECK: sub x1, x2, w3, sxtb        ; encoding: [0x41,0x80,0x23,0xcb] | 
|  | ; CHECK: sub x1, x2, w3, sxth        ; encoding: [0x41,0xa0,0x23,0xcb] | 
|  | ; CHECK: sub x1, x2, w3, sxtw        ; encoding: [0x41,0xc0,0x23,0xcb] | 
|  |  | 
|  | sub w1, wsp, w3 | 
|  | sub w1, wsp, w3, uxtw #0 | 
|  | sub sp, x2, x3 | 
|  | sub sp, x2, x3, uxtx #0 | 
|  | sub sp, x3, x7, lsl #4 | 
|  |  | 
|  | ; CHECK: sub w1, wsp, w3             ; encoding: [0xe1,0x43,0x23,0x4b] | 
|  | ; CHECK: sub w1, wsp, w3             ; encoding: [0xe1,0x43,0x23,0x4b] | 
|  | ; CHECK: sub sp, x2, x3              ; encoding: [0x5f,0x60,0x23,0xcb] | 
|  | ; CHECK: sub sp, x2, x3              ; encoding: [0x5f,0x60,0x23,0xcb] | 
|  | ; CHECK: sp, x3, x7, lsl #4          ; encoding: [0x7f,0x70,0x27,0xcb] | 
|  |  | 
|  | adds w1, w2, w3, uxtb | 
|  | adds w1, w2, w3, uxth | 
|  | adds w1, w2, w3, uxtw | 
|  | adds w1, w2, w3, uxtx | 
|  | adds w1, w2, w3, sxtb | 
|  | adds w1, w2, w3, sxth | 
|  | adds w1, w2, w3, sxtw | 
|  | adds w1, w2, w3, sxtx | 
|  |  | 
|  | ; CHECK: adds w1, w2, w3, uxtb       ; encoding: [0x41,0x00,0x23,0x2b] | 
|  | ; CHECK: adds w1, w2, w3, uxth       ; encoding: [0x41,0x20,0x23,0x2b] | 
|  | ; CHECK: adds w1, w2, w3, uxtw       ; encoding: [0x41,0x40,0x23,0x2b] | 
|  | ; CHECK: adds w1, w2, w3, uxtx       ; encoding: [0x41,0x60,0x23,0x2b] | 
|  | ; CHECK: adds w1, w2, w3, sxtb       ; encoding: [0x41,0x80,0x23,0x2b] | 
|  | ; CHECK: adds w1, w2, w3, sxth       ; encoding: [0x41,0xa0,0x23,0x2b] | 
|  | ; CHECK: adds w1, w2, w3, sxtw       ; encoding: [0x41,0xc0,0x23,0x2b] | 
|  | ; CHECK: adds w1, w2, w3, sxtx       ; encoding: [0x41,0xe0,0x23,0x2b] | 
|  |  | 
|  | adds x1, x2, w3, uxtb | 
|  | adds x1, x2, w3, uxth | 
|  | adds x1, x2, w3, uxtw | 
|  | adds x1, x2, w3, uxtx | 
|  | adds x1, x2, w3, sxtb | 
|  | adds x1, x2, w3, sxth | 
|  | adds x1, x2, w3, sxtw | 
|  | adds x1, x2, w3, sxtx | 
|  |  | 
|  | ; CHECK: adds x1, x2, w3, uxtb       ; encoding: [0x41,0x00,0x23,0xab] | 
|  | ; CHECK: adds x1, x2, w3, uxth       ; encoding: [0x41,0x20,0x23,0xab] | 
|  | ; CHECK: adds x1, x2, w3, uxtw       ; encoding: [0x41,0x40,0x23,0xab] | 
|  | ; CHECK: adds x1, x2, w3, uxtx       ; encoding: [0x41,0x60,0x23,0xab] | 
|  | ; CHECK: adds x1, x2, w3, sxtb       ; encoding: [0x41,0x80,0x23,0xab] | 
|  | ; CHECK: adds x1, x2, w3, sxth       ; encoding: [0x41,0xa0,0x23,0xab] | 
|  | ; CHECK: adds x1, x2, w3, sxtw       ; encoding: [0x41,0xc0,0x23,0xab] | 
|  | ; CHECK: adds x1, x2, w3, sxtx       ; encoding: [0x41,0xe0,0x23,0xab] | 
|  |  | 
|  | adds w1, wsp, w3 | 
|  | adds w1, wsp, w3, uxtw #0 | 
|  | adds wzr, wsp, w3, lsl #4 | 
|  |  | 
|  | ; CHECK: adds w1, wsp, w3            ; encoding: [0xe1,0x43,0x23,0x2b] | 
|  | ; CHECK: adds w1, wsp, w3            ; encoding: [0xe1,0x43,0x23,0x2b] | 
|  | ; CHECK: cmn wsp, w3, lsl #4         ; encoding: [0xff,0x53,0x23,0x2b] | 
|  |  | 
|  | subs w1, w2, w3, uxtb | 
|  | subs w1, w2, w3, uxth | 
|  | subs w1, w2, w3, uxtw | 
|  | subs w1, w2, w3, uxtx | 
|  | subs w1, w2, w3, sxtb | 
|  | subs w1, w2, w3, sxth | 
|  | subs w1, w2, w3, sxtw | 
|  | subs w1, w2, w3, sxtx | 
|  |  | 
|  | ; CHECK: subs w1, w2, w3, uxtb       ; encoding: [0x41,0x00,0x23,0x6b] | 
|  | ; CHECK: subs w1, w2, w3, uxth       ; encoding: [0x41,0x20,0x23,0x6b] | 
|  | ; CHECK: subs w1, w2, w3, uxtw       ; encoding: [0x41,0x40,0x23,0x6b] | 
|  | ; CHECK: subs w1, w2, w3, uxtx       ; encoding: [0x41,0x60,0x23,0x6b] | 
|  | ; CHECK: subs w1, w2, w3, sxtb       ; encoding: [0x41,0x80,0x23,0x6b] | 
|  | ; CHECK: subs w1, w2, w3, sxth       ; encoding: [0x41,0xa0,0x23,0x6b] | 
|  | ; CHECK: subs w1, w2, w3, sxtw       ; encoding: [0x41,0xc0,0x23,0x6b] | 
|  | ; CHECK: subs w1, w2, w3, sxtx       ; encoding: [0x41,0xe0,0x23,0x6b] | 
|  |  | 
|  | subs x1, x2, w3, uxtb | 
|  | subs x1, x2, w3, uxth | 
|  | subs x1, x2, w3, uxtw | 
|  | subs x1, x2, w3, uxtx | 
|  | subs x1, x2, w3, sxtb | 
|  | subs x1, x2, w3, sxth | 
|  | subs x1, x2, w3, sxtw | 
|  | subs x1, x2, w3, sxtx | 
|  |  | 
|  | ; CHECK: subs x1, x2, w3, uxtb       ; encoding: [0x41,0x00,0x23,0xeb] | 
|  | ; CHECK: subs x1, x2, w3, uxth       ; encoding: [0x41,0x20,0x23,0xeb] | 
|  | ; CHECK: subs x1, x2, w3, uxtw       ; encoding: [0x41,0x40,0x23,0xeb] | 
|  | ; CHECK: subs x1, x2, w3, uxtx       ; encoding: [0x41,0x60,0x23,0xeb] | 
|  | ; CHECK: subs x1, x2, w3, sxtb       ; encoding: [0x41,0x80,0x23,0xeb] | 
|  | ; CHECK: subs x1, x2, w3, sxth       ; encoding: [0x41,0xa0,0x23,0xeb] | 
|  | ; CHECK: subs x1, x2, w3, sxtw       ; encoding: [0x41,0xc0,0x23,0xeb] | 
|  | ; CHECK: subs x1, x2, w3, sxtx       ; encoding: [0x41,0xe0,0x23,0xeb] | 
|  |  | 
|  | subs w1, wsp, w3 | 
|  | subs w1, wsp, w3, uxtw #0 | 
|  |  | 
|  | ; CHECK: subs w1, wsp, w3            ; encoding: [0xe1,0x43,0x23,0x6b] | 
|  | ; CHECK: subs w1, wsp, w3            ; encoding: [0xe1,0x43,0x23,0x6b] | 
|  |  | 
|  | cmp wsp, w9, lsl #0 | 
|  | subs x3, sp, x9, lsl #2 | 
|  | cmp wsp, w8, uxtw | 
|  | subs wzr, wsp, w8, uxtw | 
|  | cmp sp, w8, uxtw | 
|  | subs xzr, sp, w8, uxtw | 
|  |  | 
|  | ; CHECK: cmp wsp, w9                 ; encoding: [0xff,0x43,0x29,0x6b] | 
|  | ; CHECK: subs x3, sp, x9, lsl #2     ; encoding: [0xe3,0x6b,0x29,0xeb] | 
|  | ; CHECK: cmp wsp, w8                 ; encoding: [0xff,0x43,0x28,0x6b] | 
|  | ; CHECK: cmp wsp, w8                 ; encoding: [0xff,0x43,0x28,0x6b] | 
|  | ; CHECK: cmp sp, w8, uxtw            ; encoding: [0xff,0x43,0x28,0xeb] | 
|  | ; CHECK: cmp sp, w8, uxtw            ; encoding: [0xff,0x43,0x28,0xeb] | 
|  |  | 
|  | sub wsp, w9, w8, uxtw | 
|  | sub w1, wsp, w8, uxtw | 
|  | sub wsp, wsp, w8, uxtw | 
|  | sub sp, x9, w8, uxtw | 
|  | sub x1, sp, w8, uxtw | 
|  | sub sp, sp, w8, uxtw | 
|  | subs w1, wsp, w8, uxtw | 
|  | subs x1, sp, w8, uxtw | 
|  |  | 
|  | ; CHECK: sub wsp, w9, w8             ; encoding: [0x3f,0x41,0x28,0x4b] | 
|  | ; CHECK: sub w1, wsp, w8             ; encoding: [0xe1,0x43,0x28,0x4b] | 
|  | ; CHECK: sub wsp, wsp, w8            ; encoding: [0xff,0x43,0x28,0x4b] | 
|  | ; CHECK: sub sp, x9, w8, uxtw        ; encoding: [0x3f,0x41,0x28,0xcb] | 
|  | ; CHECK: sub x1, sp, w8, uxtw        ; encoding: [0xe1,0x43,0x28,0xcb] | 
|  | ; CHECK: sub sp, sp, w8, uxtw        ; encoding: [0xff,0x43,0x28,0xcb] | 
|  | ; CHECK: subs w1, wsp, w8            ; encoding: [0xe1,0x43,0x28,0x6b] | 
|  | ; CHECK: subs x1, sp, w8, uxtw       ; encoding: [0xe1,0x43,0x28,0xeb] | 
|  |  | 
|  | ;==---------------------------------------------------------------------------== | 
|  | ; Signed/Unsigned divide | 
|  | ;==---------------------------------------------------------------------------== | 
|  |  | 
|  | sdiv w1, w2, w3 | 
|  | sdiv x1, x2, x3 | 
|  | udiv w1, w2, w3 | 
|  | udiv x1, x2, x3 | 
|  |  | 
|  | ; CHECK: sdiv w1, w2, w3             ; encoding: [0x41,0x0c,0xc3,0x1a] | 
|  | ; CHECK: sdiv x1, x2, x3             ; encoding: [0x41,0x0c,0xc3,0x9a] | 
|  | ; CHECK: udiv w1, w2, w3             ; encoding: [0x41,0x08,0xc3,0x1a] | 
|  | ; CHECK: udiv x1, x2, x3             ; encoding: [0x41,0x08,0xc3,0x9a] | 
|  |  | 
|  | ;==---------------------------------------------------------------------------== | 
|  | ; Variable shifts | 
|  | ;==---------------------------------------------------------------------------== | 
|  |  | 
|  | asrv w1, w2, w3 | 
|  | asrv x1, x2, x3 | 
|  | asr w1, w2, w3 | 
|  | asr x1, x2, x3 | 
|  | lslv w1, w2, w3 | 
|  | lslv x1, x2, x3 | 
|  | lsl w1, w2, w3 | 
|  | lsl x1, x2, x3 | 
|  | lsrv w1, w2, w3 | 
|  | lsrv x1, x2, x3 | 
|  | lsr w1, w2, w3 | 
|  | lsr x1, x2, x3 | 
|  | rorv w1, w2, w3 | 
|  | rorv x1, x2, x3 | 
|  | ror w1, w2, w3 | 
|  | ror x1, x2, x3 | 
|  |  | 
|  | ; CHECK: encoding: [0x41,0x28,0xc3,0x1a] | 
|  | ; CHECK: encoding: [0x41,0x28,0xc3,0x9a] | 
|  | ; CHECK: encoding: [0x41,0x28,0xc3,0x1a] | 
|  | ; CHECK: encoding: [0x41,0x28,0xc3,0x9a] | 
|  | ; CHECK: encoding: [0x41,0x20,0xc3,0x1a] | 
|  | ; CHECK: encoding: [0x41,0x20,0xc3,0x9a] | 
|  | ; CHECK: encoding: [0x41,0x20,0xc3,0x1a] | 
|  | ; CHECK: encoding: [0x41,0x20,0xc3,0x9a] | 
|  | ; CHECK: encoding: [0x41,0x24,0xc3,0x1a] | 
|  | ; CHECK: encoding: [0x41,0x24,0xc3,0x9a] | 
|  | ; CHECK: encoding: [0x41,0x24,0xc3,0x1a] | 
|  | ; CHECK: encoding: [0x41,0x24,0xc3,0x9a] | 
|  | ; CHECK: encoding: [0x41,0x2c,0xc3,0x1a] | 
|  | ; CHECK: encoding: [0x41,0x2c,0xc3,0x9a] | 
|  | ; CHECK: encoding: [0x41,0x2c,0xc3,0x1a] | 
|  | ; CHECK: encoding: [0x41,0x2c,0xc3,0x9a] | 
|  |  | 
|  | ;==---------------------------------------------------------------------------== | 
|  | ; One operand instructions | 
|  | ;==---------------------------------------------------------------------------== | 
|  |  | 
|  | cls w1, w2 | 
|  | cls x1, x2 | 
|  | clz w1, w2 | 
|  | clz x1, x2 | 
|  | rbit w1, w2 | 
|  | rbit x1, x2 | 
|  | rev w1, w2 | 
|  | rev x1, x2 | 
|  | rev16 w1, w2 | 
|  | rev16 x1, x2 | 
|  | rev32 x1, x2 | 
|  |  | 
|  | ; CHECK: encoding: [0x41,0x14,0xc0,0x5a] | 
|  | ; CHECK: encoding: [0x41,0x14,0xc0,0xda] | 
|  | ; CHECK: encoding: [0x41,0x10,0xc0,0x5a] | 
|  | ; CHECK: encoding: [0x41,0x10,0xc0,0xda] | 
|  | ; CHECK: encoding: [0x41,0x00,0xc0,0x5a] | 
|  | ; CHECK: encoding: [0x41,0x00,0xc0,0xda] | 
|  | ; CHECK: encoding: [0x41,0x08,0xc0,0x5a] | 
|  | ; CHECK: encoding: [0x41,0x0c,0xc0,0xda] | 
|  | ; CHECK: encoding: [0x41,0x04,0xc0,0x5a] | 
|  | ; CHECK: encoding: [0x41,0x04,0xc0,0xda] | 
|  | ; CHECK: encoding: [0x41,0x08,0xc0,0xda] | 
|  |  | 
|  | ;==---------------------------------------------------------------------------== | 
|  | ; 6.6.1 Multiply-add instructions | 
|  | ;==---------------------------------------------------------------------------== | 
|  |  | 
|  | madd   w1, w2, w3, w4 | 
|  | madd   x1, x2, x3, x4 | 
|  | msub   w1, w2, w3, w4 | 
|  | msub   x1, x2, x3, x4 | 
|  | smaddl x1, w2, w3, x4 | 
|  | smsubl x1, w2, w3, x4 | 
|  | umaddl x1, w2, w3, x4 | 
|  | umsubl x1, w2, w3, x4 | 
|  |  | 
|  | ; CHECK: madd   w1, w2, w3, w4       ; encoding: [0x41,0x10,0x03,0x1b] | 
|  | ; CHECK: madd   x1, x2, x3, x4       ; encoding: [0x41,0x10,0x03,0x9b] | 
|  | ; CHECK: msub   w1, w2, w3, w4       ; encoding: [0x41,0x90,0x03,0x1b] | 
|  | ; CHECK: msub   x1, x2, x3, x4       ; encoding: [0x41,0x90,0x03,0x9b] | 
|  | ; CHECK: smaddl x1, w2, w3, x4       ; encoding: [0x41,0x10,0x23,0x9b] | 
|  | ; CHECK: smsubl x1, w2, w3, x4       ; encoding: [0x41,0x90,0x23,0x9b] | 
|  | ; CHECK: umaddl x1, w2, w3, x4       ; encoding: [0x41,0x10,0xa3,0x9b] | 
|  | ; CHECK: umsubl x1, w2, w3, x4       ; encoding: [0x41,0x90,0xa3,0x9b] | 
|  |  | 
|  | ;==---------------------------------------------------------------------------== | 
|  | ; Multiply-high instructions | 
|  | ;==---------------------------------------------------------------------------== | 
|  |  | 
|  | smulh x1, x2, x3 | 
|  | umulh x1, x2, x3 | 
|  |  | 
|  | ; CHECK: smulh x1, x2, x3            ; encoding: [0x41,0x7c,0x43,0x9b] | 
|  | ; CHECK: umulh x1, x2, x3            ; encoding: [0x41,0x7c,0xc3,0x9b] | 
|  |  | 
|  | ;==---------------------------------------------------------------------------== | 
|  | ; Move immediate instructions | 
|  | ;==---------------------------------------------------------------------------== | 
|  |  | 
|  | movz w0, #1 | 
|  | movz x0, #1 | 
|  | movz w0, #1, lsl #16 | 
|  | movz x0, #1, lsl #16 | 
|  |  | 
|  | ; CHECK: mov w0, #1                 ; encoding: [0x20,0x00,0x80,0x52] | 
|  | ; CHECK: mov x0, #1                 ; encoding: [0x20,0x00,0x80,0xd2] | 
|  | ; CHECK: mov w0, #65536             ; encoding: [0x20,0x00,0xa0,0x52] | 
|  | ; CHECK: mov x0, #65536             ; encoding: [0x20,0x00,0xa0,0xd2] | 
|  |  | 
|  | movn w0, #2 | 
|  | movn x0, #2 | 
|  | movn w0, #2, lsl #16 | 
|  | movn x0, #2, lsl #16 | 
|  |  | 
|  | ; CHECK: mov w0, #-3                 ; encoding: [0x40,0x00,0x80,0x12] | 
|  | ; CHECK: mov x0, #-3                 ; encoding: [0x40,0x00,0x80,0x92] | 
|  | ; CHECK: mov w0, #-131073            ; encoding: [0x40,0x00,0xa0,0x12] | 
|  | ; CHECK: mov x0, #-131073            ; encoding: [0x40,0x00,0xa0,0x92] | 
|  |  | 
|  | movk w0, #1 | 
|  | movk x0, #1 | 
|  | movk w0, #1, lsl #16 | 
|  | movk x0, #1, lsl #16 | 
|  |  | 
|  | ; CHECK: movk w0, #1                 ; encoding: [0x20,0x00,0x80,0x72] | 
|  | ; CHECK: movk x0, #1                 ; encoding: [0x20,0x00,0x80,0xf2] | 
|  | ; CHECK: movk w0, #1, lsl #16        ; encoding: [0x20,0x00,0xa0,0x72] | 
|  | ; CHECK: movk x0, #1, lsl #16        ; encoding: [0x20,0x00,0xa0,0xf2] | 
|  |  | 
|  | ;==---------------------------------------------------------------------------== | 
|  | ; Conditionally set flags instructions | 
|  | ;==---------------------------------------------------------------------------== | 
|  |  | 
|  | ccmn w1, #2, #3, eq | 
|  | ccmn x1, #2, #3, eq | 
|  | ccmp w1, #2, #3, eq | 
|  | ccmp x1, #2, #3, eq | 
|  |  | 
|  | ; CHECK: encoding: [0x23,0x08,0x42,0x3a] | 
|  | ; CHECK: encoding: [0x23,0x08,0x42,0xba] | 
|  | ; CHECK: encoding: [0x23,0x08,0x42,0x7a] | 
|  | ; CHECK: encoding: [0x23,0x08,0x42,0xfa] | 
|  |  | 
|  | ccmn w1, w2, #3, eq | 
|  | ccmn x1, x2, #3, eq | 
|  | ccmp w1, w2, #3, eq | 
|  | ccmp x1, x2, #3, eq | 
|  |  | 
|  | ; CHECK: encoding: [0x23,0x00,0x42,0x3a] | 
|  | ; CHECK: encoding: [0x23,0x00,0x42,0xba] | 
|  | ; CHECK: encoding: [0x23,0x00,0x42,0x7a] | 
|  | ; CHECK: encoding: [0x23,0x00,0x42,0xfa] | 
|  |  | 
|  | ;==---------------------------------------------------------------------------== | 
|  | ; Conditional select instructions | 
|  | ;==---------------------------------------------------------------------------== | 
|  |  | 
|  | csel w1, w2, w3, eq | 
|  | csel x1, x2, x3, eq | 
|  | csinc w1, w2, w3, eq | 
|  | csinc x1, x2, x3, eq | 
|  | csinv w1, w2, w3, eq | 
|  | csinv x1, x2, x3, eq | 
|  | csneg w1, w2, w3, eq | 
|  | csneg x1, x2, x3, eq | 
|  |  | 
|  | ; CHECK: encoding: [0x41,0x00,0x83,0x1a] | 
|  | ; CHECK: encoding: [0x41,0x00,0x83,0x9a] | 
|  | ; CHECK: encoding: [0x41,0x04,0x83,0x1a] | 
|  | ; CHECK: encoding: [0x41,0x04,0x83,0x9a] | 
|  | ; CHECK: encoding: [0x41,0x00,0x83,0x5a] | 
|  | ; CHECK: encoding: [0x41,0x00,0x83,0xda] | 
|  | ; CHECK: encoding: [0x41,0x04,0x83,0x5a] | 
|  | ; CHECK: encoding: [0x41,0x04,0x83,0xda] | 
|  |  | 
|  | ; Make sure we handle upper case, too. In particular, condition codes. | 
|  | CSEL W16, W7, W27, EQ | 
|  | CSEL W15, W6, W26, NE | 
|  | CSEL W14, W5, W25, CS | 
|  | CSEL W13, W4, W24, HS | 
|  | csel w12, w3, w23, CC | 
|  | csel w11, w2, w22, LO | 
|  | csel w10, w1, w21, MI | 
|  | csel x9, x9, x1, PL | 
|  | csel x8, x8, x2, VS | 
|  | CSEL X7, X7, X3, VC | 
|  | CSEL X6, X7, X4, HI | 
|  | CSEL X5, X6, X5, LS | 
|  | CSEL X4, X5, X6, GE | 
|  | csel x3, x4, x7, LT | 
|  | csel x2, x3, x8, GT | 
|  | csel x1, x2, x9, LE | 
|  | csel x10, x1, x20, AL | 
|  |  | 
|  | ; CHECK: csel	w16, w7, w27, eq        ; encoding: [0xf0,0x00,0x9b,0x1a] | 
|  | ; CHECK: csel	w15, w6, w26, ne        ; encoding: [0xcf,0x10,0x9a,0x1a] | 
|  | ; CHECK: csel	w14, w5, w25, hs        ; encoding: [0xae,0x20,0x99,0x1a] | 
|  | ; CHECK: csel	w13, w4, w24, hs        ; encoding: [0x8d,0x20,0x98,0x1a] | 
|  | ; CHECK: csel	w12, w3, w23, lo        ; encoding: [0x6c,0x30,0x97,0x1a] | 
|  | ; CHECK: csel	w11, w2, w22, lo        ; encoding: [0x4b,0x30,0x96,0x1a] | 
|  | ; CHECK: csel	w10, w1, w21, mi        ; encoding: [0x2a,0x40,0x95,0x1a] | 
|  | ; CHECK: csel	x9, x9, x1, pl          ; encoding: [0x29,0x51,0x81,0x9a] | 
|  | ; CHECK: csel	x8, x8, x2, vs          ; encoding: [0x08,0x61,0x82,0x9a] | 
|  | ; CHECK: csel	x7, x7, x3, vc          ; encoding: [0xe7,0x70,0x83,0x9a] | 
|  | ; CHECK: csel	x6, x7, x4, hi          ; encoding: [0xe6,0x80,0x84,0x9a] | 
|  | ; CHECK: csel	x5, x6, x5, ls          ; encoding: [0xc5,0x90,0x85,0x9a] | 
|  | ; CHECK: csel	x4, x5, x6, ge          ; encoding: [0xa4,0xa0,0x86,0x9a] | 
|  | ; CHECK: csel	x3, x4, x7, lt          ; encoding: [0x83,0xb0,0x87,0x9a] | 
|  | ; CHECK: csel	x2, x3, x8, gt          ; encoding: [0x62,0xc0,0x88,0x9a] | 
|  | ; CHECK: csel	x1, x2, x9, le          ; encoding: [0x41,0xd0,0x89,0x9a] | 
|  | ; CHECK: csel	x10, x1, x20, al        ; encoding: [0x2a,0xe0,0x94,0x9a] | 
|  |  | 
|  |  | 
|  | ;==---------------------------------------------------------------------------== | 
|  | ; Scalar saturating arithmetic | 
|  | ;==---------------------------------------------------------------------------== | 
|  | uqxtn b4, h2 | 
|  | uqxtn h2, s3 | 
|  | uqxtn s9, d2 | 
|  |  | 
|  | ; CHECK: uqxtn b4, h2                  ; encoding: [0x44,0x48,0x21,0x7e] | 
|  | ; CHECK: uqxtn h2, s3                  ; encoding: [0x62,0x48,0x61,0x7e] | 
|  | ; CHECK: uqxtn s9, d2                  ; encoding: [0x49,0x48,0xa1,0x7e] |