1# mach: aarch64 2 3# Check the extract narrow instructions: xtn, xtn2. 4 5.include "testutils.inc" 6 7 .data 8 .align 4 9input: 10 .word 0x04030201 11 .word 0x08070605 12 .word 0x0c0b0a09 13 .word 0x100f0e0d 14input2: 15 .word 0x14131211 16 .word 0x18171615 17 .word 0x1c1b1a19 18 .word 0x201f1e1d 19x16b: 20 .word 0x07050301 21 .word 0x0f0d0b09 22 .word 0x17151311 23 .word 0x1f1d1b19 24x8h: 25 .word 0x06050201 26 .word 0x0e0d0a09 27 .word 0x16151211 28 .word 0x1e1d1a19 29x4s: 30 .word 0x04030201 31 .word 0x0c0b0a09 32 .word 0x14131211 33 .word 0x1c1b1a19 34 35 start 36 adrp x0, input 37 ldr q0, [x0, #:lo12:input] 38 adrp x0, input2 39 ldr q1, [x0, #:lo12:input2] 40 41 xtn v2.8b, v0.8h 42 xtn2 v2.16b, v1.8h 43 mov x1, v2.d[0] 44 mov x2, v2.d[1] 45 adrp x3, x16b 46 ldr x4, [x3, #:lo12:x16b] 47 cmp x1, x4 48 bne .Lfailure 49 ldr x5, [x3, #:lo12:x16b+8] 50 cmp x2, x5 51 bne .Lfailure 52 53 xtn v2.4h, v0.4s 54 xtn2 v2.8h, v1.4s 55 mov x1, v2.d[0] 56 mov x2, v2.d[1] 57 adrp x3, x8h 58 ldr x4, [x3, #:lo12:x8h] 59 cmp x1, x4 60 bne .Lfailure 61 ldr x5, [x3, #:lo12:x8h+8] 62 cmp x2, x5 63 bne .Lfailure 64 65 xtn v2.2s, v0.2d 66 xtn2 v2.4s, v1.2d 67 mov x1, v2.d[0] 68 mov x2, v2.d[1] 69 adrp x3, x4s 70 ldr x4, [x3, #:lo12:x4s] 71 cmp x1, x4 72 bne .Lfailure 73 ldr x5, [x3, #:lo12:x4s+8] 74 cmp x2, x5 75 bne .Lfailure 76 77 pass 78.Lfailure: 79 fail 80