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.text
.file "bitmap_bmi2.c"
.section .rodata.cst16,"aM",@progbits,16
.p2align 4 // -- Begin function levels_to_bitmap_neon
.LCPI1_0:
.xword 0 // 0x0
.xword 1 // 0x1
.text
.globl levels_to_bitmap_neon
.p2align 2
.type levels_to_bitmap_neon,@function
levels_to_bitmap_neon: // @levels_to_bitmap_neon
// %bb.0:
stp x29, x30, [sp, #-16]! // 16-byte Folded Spill
cmp w1, #1 // =1
mov x29, sp
b.lt .LBB1_3
// %bb.1:
cmp w1, #3 // =3
mov w9, w1
b.hi .LBB1_4
// %bb.2:
mov x10, xzr
mov x8, xzr
b .LBB1_7
.LBB1_3:
mov x8, xzr
b .LBB1_8
.LBB1_4:
adrp x11, .LCPI1_0
ldr q1, [x11, :lo12:.LCPI1_0]
mov w11, #2
dup v3.2s, w2
dup v2.2d, x11
mov w11, #1
and x10, x9, #0xfffffffc
shl v4.2s, v3.2s, #16
dup v3.2d, x11
mov w11, #4
add x8, x0, #4 // =4
movi v0.2d, #0000000000000000
sshr v4.2s, v4.2s, #16
dup v5.2d, x11
mov x11, x10
movi v6.2d, #0000000000000000
.LBB1_5: // =>This Inner Loop Header: Depth=1
ldursh w12, [x8, #-4]
ldrsh w13, [x8]
ldursh w14, [x8, #-2]
add v17.2d, v1.2d, v2.2d
fmov s7, w12
ldrsh w12, [x8, #2]
fmov s16, w13
mov v7.s[1], w14
cmgt v7.2s, v7.2s, v4.2s
mov v16.s[1], w12
cmgt v16.2s, v16.2s, v4.2s
ushll v7.2d, v7.2s, #0
ushll v16.2d, v16.2s, #0
and v7.16b, v7.16b, v3.16b
and v16.16b, v16.16b, v3.16b
ushl v7.2d, v7.2d, v1.2d
ushl v16.2d, v16.2d, v17.2d
subs x11, x11, #4 // =4
add v1.2d, v1.2d, v5.2d
orr v0.16b, v7.16b, v0.16b
orr v6.16b, v16.16b, v6.16b
add x8, x8, #8 // =8
b.ne .LBB1_5
// %bb.6:
orr v0.16b, v6.16b, v0.16b
dup v1.2d, v0.d[1]
orr v0.16b, v0.16b, v1.16b
cmp x10, x9
fmov x8, d0
b.eq .LBB1_8
.LBB1_7: // =>This Inner Loop Header: Depth=1
ldrsh w11, [x0, x10, lsl #1]
cmp w11, w2, sxth
cset w11, gt
lsl x11, x11, x10
add x10, x10, #1 // =1
cmp x9, x10
orr x8, x11, x8
b.ne .LBB1_7
.LBB1_8:
mov x0, x8
ldp x29, x30, [sp], #16 // 16-byte Folded Reload
ret
.Lfunc_end1:
.size levels_to_bitmap_neon, .Lfunc_end1-levels_to_bitmap_neon
// -- End function
.ident "clang version 10.0.0-4ubuntu1 "
.section ".note.GNU-stack","",@progbits
.addrsig
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