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