# mach: aarch64 # Check the extract narrow instructions: xtn, xtn2. .include "testutils.inc" .data .align 4 input: .word 0x04030201 .word 0x08070605 .word 0x0c0b0a09 .word 0x100f0e0d input2: .word 0x14131211 .word 0x18171615 .word 0x1c1b1a19 .word 0x201f1e1d x16b: .word 0x07050301 .word 0x0f0d0b09 .word 0x17151311 .word 0x1f1d1b19 x8h: .word 0x06050201 .word 0x0e0d0a09 .word 0x16151211 .word 0x1e1d1a19 x4s: .word 0x04030201 .word 0x0c0b0a09 .word 0x14131211 .word 0x1c1b1a19 start adrp x0, input ldr q0, [x0, #:lo12:input] adrp x0, input2 ldr q1, [x0, #:lo12:input2] xtn v2.8b, v0.8h xtn2 v2.16b, v1.8h mov x1, v2.d[0] mov x2, v2.d[1] adrp x3, x16b ldr x4, [x3, #:lo12:x16b] cmp x1, x4 bne .Lfailure ldr x5, [x3, #:lo12:x16b+8] cmp x2, x5 bne .Lfailure xtn v2.4h, v0.4s xtn2 v2.8h, v1.4s mov x1, v2.d[0] mov x2, v2.d[1] adrp x3, x8h ldr x4, [x3, #:lo12:x8h] cmp x1, x4 bne .Lfailure ldr x5, [x3, #:lo12:x8h+8] cmp x2, x5 bne .Lfailure xtn v2.2s, v0.2d xtn2 v2.4s, v1.2d mov x1, v2.d[0] mov x2, v2.d[1] adrp x3, x4s ldr x4, [x3, #:lo12:x4s] cmp x1, x4 bne .Lfailure ldr x5, [x3, #:lo12:x4s+8] cmp x2, x5 bne .Lfailure pass .Lfailure: fail