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TheRock/debug-tools/rocgdb/source/sim/testsuite/aarch64/xtn.s
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

80 lines
1.2 KiB
ArmAsm

# 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