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@@
@@ Copyright (C) 2012 Roman Pauer
@@
@@ Permission is hereby granted, free of charge, to any person obtaining a copy of
@@ this software and associated documentation files (the "Software"), to deal in
@@ the Software without restriction, including without limitation the rights to
@@ use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
@@ of the Software, and to permit persons to whom the Software is furnished to do
@@ so, subject to the following conditions:
@@
@@ The above copyright notice and this permission notice shall be included in all
@@ copies or substantial portions of the Software.
@@
@@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
@@ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
@@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
@@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
@@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
@@ SOFTWARE.
@@
@ A B C --\ E0 E1
@ D E F --/ E2 E3
@ G H I
@ q0 = E0 (tmp0)
@ q1 = E1 (tmp1)
@ q2 = E2 (tmp2)
@ q3 = E3 (tmp3)
@ q8 = S2prev
@ q9 = S2next
@ q10 = C0 < B == H || D == F >
@ q11 = S1 < B >
@ q12 = S2 < E >
@ q13 = S3 < H >
@ q14 = S2sl < D >
@ q15 = S2sr < F >
.macro __neon_scale2x_8_8_line src1, src2, src3, counter, dst1, dst2, reg1, qB, qH, alsrc1, alsrc2, alsrc3, aldst1, aldst2
vld1.8 {d17[7]}, [\src2] @ S2prev[15] = src[0]
andS \reg1, \counter, #15 @ reg1 = counter & 15
.ifnes "\qB", "q11"
add \src1, \src1, \counter @ src1 += counter
.endif
.ifnes "\qH", "q13"
add \src3, \src3, \counter @ src3 += counter
.endif
beq 1f
@ first 1-15 pixels - align counter to 16 bytes
vld1.8 {q12}, [\src2], \reg1 @ S2 = [src] < E >; src2 += counter & 15
.ifeqs "\qB", "q11"
vld1.8 {\qB}, [\src1], \reg1 @ S1 = [src - srcstride] < B >; src1 += counter & 15
.endif
.ifeqs "\qH", "q13"
vld1.8 {\qH}, [\src3], \reg1 @ S3 = [src + srcstride] < H >; src3 += counter & 15
.endif
vext.8 q14, q8, q12, #15 @ S2sl = S2prev[15] | (S2 << 8) < D >
vceq.i8 q2, \qB, \qH @ tmp2 = < B == H >
vmov.8 d17[7], \reg1 @ S2prev[15] = reg1
vext.8 q15, q12, q9, #1 @ S2sr = (S2 >> 8) | ... < F >
vceq.i8 q0, q14, \qB @ tmp0 = < D == B >
vceq.i8 q3, q14, q15 @ tmp3 = < D == F >
vceq.i8 q1, \qB, q15 @ tmp1 = < B == F >
vtbl.8 d17, {d28, d29}, d17 @ S2prev[15] = src[reg1 - 1]
lsl \reg1, #1
vorr q10, q2, q3 @ C0 = < B == H || D == F >
vceq.i8 q2, q14, \qH @ tmp2 = < D == H >
vceq.i8 q3, \qH, q15 @ tmp3 = < H == F >
vorn q0, q10, q0 @ tmp0 = < C0 || !(D == B) >
vorn q1, q10, q1 @ tmp1 = < C0 || !(B == F) >
vbsl q0, q12, q14 @ E0 = < (C0 || !(D == B)) ? E : D >
vbsl q1, q12, q15 @ E1 = < (C0 || !(B == F)) ? E : F >
vorn q2, q10, q2 @ tmp2 = < C0 || !(D == H) >
vorn q3, q10, q3 @ tmp3 = < C0 || !(H == F) >
vbsl q2, q12, q14 @ E2 = < (C0 || !(D == H)) ? E : D >
vst2.8 {q0-q1}, [\dst1], \reg1 @ [dst] = E0,E1; dst1 += reg1
vbsl q3, q12, q15 @ E3 = < (C0 || !(H == F)) ? E : F >
bic \counter, \counter, #15
vst2.8 {q2-q3}, [\dst2], \reg1 @ [dst + dststride] = E2,E3; dst2 += reg1
@ counter is aligned to 16 bytes
1:
vld1.8 {q9}, [\alsrc2]! @ S2next = [src]; src2 += 16
@ inner loop (16 pixels per iteration)
2:
vmov q12, q9 @ S2 = S2next < E >
.ifeqs "\qB", "q11"
vld1.8 {\qB}, [\alsrc1]! @ S1 = [src - srcstride] < B >; src1 += 16
.endif
.ifeqs "\qH", "q13"
vld1.8 {\qH}, [\alsrc3]! @ S3 = [src + srcstride] < H >; src3 += 16
.endif
vext.8 q14, q8, q12, #15 @ S2sl = S2prev[15] | (S2 << 8) < D >
vld1.8 {q9}, [\alsrc2]! @ S2next = [src]; src2 += 16
vceq.i8 q2, \qB, \qH @ tmp2 = < B == H >
vmov q8, q12 @ S2prev = S2
vext.8 q15, q12, q9, #1 @ S2sr = (S2 >> 8) | S2next[0] < F >
vceq.i8 q0, q14, \qB @ tmp0 = < D == B >
vceq.i8 q3, q14, q15 @ tmp3 = < D == F >
vceq.i8 q1, \qB, q15 @ tmp1 = < B == F >
sub \counter, \counter, #16 @ counter -= 16
vorr q10, q2, q3 @ C0 = < B == H || D == F >
vceq.i8 q2, q14, \qH @ tmp2 = < D == H >
vceq.i8 q3, \qH, q15 @ tmp3 = < H == F >
vorn q0, q10, q0 @ tmp0 = < C0 || !(D == B) >
vorn q1, q10, q1 @ tmp1 = < C0 || !(B == F) >
vbsl q0, q12, q14 @ E0 = < (C0 || !(D == B)) ? E : D >
vbsl q1, q12, q15 @ E1 = < (C0 || !(B == F)) ? E : F >
vorn q2, q10, q2 @ tmp2 = < C0 || !(D == H) >
vorn q3, q10, q3 @ tmp3 = < C0 || !(H == F) >
vbsl q2, q12, q14 @ E2 = < (C0 || !(D == H)) ? E : D >
vst2.8 {q0-q1}, [\aldst1]! @ [dst] = E0,E1; dst1 += 2*16
cmp \counter, #16
vbsl q3, q12, q15 @ E3 = < (C0 || !(H == F)) ? E : F >
vst2.8 {q2-q3}, [\aldst2]! @ [dst + dststride] = E2,E3; dst2 += 2*16
bhi 2b
@ last 16 pixels
vmov q12, q9 @ S2 = S2next < E >
vshr.u64 d18, d19, #(64-8) @ S2next[0] = S2[15] | ...
.ifeqs "\qB", "q11"
vld1.8 {\qB}, [\alsrc1]! @ S1 = [src - srcstride] < B >; src1 += 16
.endif
vext.8 q14, q8, q12, #15 @ S2sl = S2prev[15] | (S2 << 8) < D >
vext.8 q15, q12, q9, #1 @ S2sr = (S2 >> 8) | S2next[0] < F >
.ifeqs "\qH", "q13"
vld1.8 {\qH}, [\alsrc3]! @ S3 = [src + srcstride] < H >; src3 += 16
.endif
vceq.i8 q0, q14, \qB @ tmp0 = < D == B >
vceq.i8 q2, \qB, \qH @ tmp2 = < B == H >
vceq.i8 q3, q14, q15 @ tmp3 = < D == F >
vceq.i8 q1, \qB, q15 @ tmp1 = < B == F >
vorr q10, q2, q3 @ C0 = < B == H || D == F >
vceq.i8 q2, q14, \qH @ tmp2 = < D == H >
vceq.i8 q3, \qH, q15 @ tmp3 = < H == F >
vorn q0, q10, q0 @ tmp0 = < C0 || !(D == B) >
vorn q1, q10, q1 @ tmp1 = < C0 || !(B == F) >
vbsl q0, q12, q14 @ E0 = < (C0 || !(D == B)) ? E : D >
vbsl q1, q12, q15 @ E1 = < (C0 || !(B == F)) ? E : F >
vorn q2, q10, q2 @ tmp2 = < C0 || !(D == H) >
vorn q3, q10, q3 @ tmp3 = < C0 || !(H == F) >
vbsl q2, q12, q14 @ E2 = < (C0 || !(D == H)) ? E : D >
vst2.8 {q0-q1}, [\aldst1]! @ [dst] = E0,E1; dst1 += 2*16
vbsl q3, q12, q15 @ E3 = < (C0 || !(H == F)) ? E : F >
vst2.8 {q2-q3}, [\aldst2]! @ [dst + dststride] = E2,E3; dst2 += 2*16
.endm
.macro _neon_scale2x_8_8_line_first src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2
__neon_scale2x_8_8_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q12, q13, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2
.endm
.macro _neon_scale2x_8_8_line_middle src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2
__neon_scale2x_8_8_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q11, q13, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2
.endm
.macro _neon_scale2x_8_8_line_last src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2
__neon_scale2x_8_8_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q11, q12, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2
.endm
.macro neon_scale2x_8_8_line part, src1, src2, src3, counter, dst1, dst2, reg1, srcalign16, dstalign32
.ifeq \srcalign16
.ifeq \dstalign32
_neon_scale2x_8_8_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1, \src2, \src3, \dst1, \dst2
.else
_neon_scale2x_8_8_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1, \src2, \src3, \dst1:256, \dst2:256
.endif
.else
.ifeq \dstalign32
_neon_scale2x_8_8_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1:128, \src2:128, \src3:128, \dst1, \dst2
.else
_neon_scale2x_8_8_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1:128, \src2:128, \src3:128, \dst1:256, \dst2:256
.endif
.endif
.endm
.macro __neon_scale2x_16_16_line src1, src2, src3, counter, dst1, dst2, reg1, qB, qH, alsrc1, alsrc2, alsrc3, aldst1, aldst2
vld1.16 {d17[3]}, [\src2] @ S2prev[7] = src[0]
andS \reg1, \counter, #7 @ reg1 = counter & 7
.ifnes "\qB", "q11"
add \src1, \src1, \counter, lsl #1 @ src1 += 2 * counter
.endif
.ifnes "\qH", "q13"
add \src3, \src3, \counter, lsl #1 @ src3 += 2 * counter
.endif
beq 1f
@ first 1-7 pixels - align counter to 16 bytes
vld1.16 {q12}, [\src2] @ S2 = [src] < E >
lsl \reg1, #1
.ifeqs "\qB", "q11"
vld1.16 {\qB}, [\src1] @ S1 = [src - srcstride] < B >
.endif
bfi \reg1, \reg1, #8, #8
.ifeqs "\qH", "q13"
vld1.16 {\qH}, [\src3] @ S3 = [src + srcstride] < H >
.endif
vext.8 q14, q8, q12, #14 @ S2sl = S2prev[7] | (S2 << 16) < D >
add \reg1, \reg1, #256
vceq.i16 q2, \qB, \qH @ tmp2 = < B == H >
vmov.16 d17[3], \reg1 @ S2prev[7] = reg1
vext.8 q15, q12, q9, #2 @ S2sr = (S2 >> 16) | ... < F >
vceq.i16 q0, q14, \qB @ tmp0 = < D == B >
vceq.i16 q3, q14, q15 @ tmp3 = < D == F >
vceq.i16 q1, \qB, q15 @ tmp1 = < B == F >
vtbl.8 d17, {d28, d29}, d17 @ S2prev[7] = src[reg1 - 1]
vorr q10, q2, q3 @ C0 = < B == H || D == F >
and \reg1, \counter, #7
vceq.i16 q2, q14, \qH @ tmp2 = < D == H >
vceq.i16 q3, \qH, q15 @ tmp3 = < H == F >
vorn q0, q10, q0 @ tmp0 = < C0 || !(D == B) >
vorn q1, q10, q1 @ tmp1 = < C0 || !(B == F) >
vbsl q0, q12, q14 @ E0 = < (C0 || !(D == B)) ? E : D >
vbsl q1, q12, q15 @ E1 = < (C0 || !(B == F)) ? E : F >
vorn q2, q10, q2 @ tmp2 = < C0 || !(D == H) >
vorn q3, q10, q3 @ tmp3 = < C0 || !(H == F) >
vbsl q2, q12, q14 @ E2 = < (C0 || !(D == H)) ? E : D >
vst2.16 {q0-q1}, [\dst1] @ [dst] = E0,E1
vbsl q3, q12, q15 @ E3 = < (C0 || !(H == F)) ? E : F >
bic \counter, \counter, #7
.ifeqs "\qB", "q11"
add \src1, \src1, \reg1, lsl #1
.endif
add \src2, \src2, \reg1, lsl #1
.ifeqs "\qH", "q13"
add \src3, \src3, \reg1, lsl #1
.endif
vst2.16 {q2-q3}, [\dst2] @ [dst + dststride] = E2,E3
add \dst1, \dst1, \reg1, lsl #2
add \dst2, \dst2, \reg1, lsl #2
@ counter is aligned to 16 bytes
1:
vld1.16 {q9}, [\alsrc2]! @ S2next = [src]; src2 += 2*8
@ inner loop (8 pixels per iteration)
2:
vmov q12, q9 @ S2 = S2next < E >
.ifeqs "\qB", "q11"
vld1.16 {\qB}, [\alsrc1]! @ S1 = [src - srcstride] < B >; src1 += 2*8
.endif
.ifeqs "\qH", "q13"
vld1.16 {\qH}, [\alsrc3]! @ S3 = [src + srcstride] < H >; src3 += 2*8
.endif
vext.8 q14, q8, q12, #14 @ S2sl = S2prev[7] | (S2 << 16) < D >
vld1.16 {q9}, [\alsrc2]! @ S2next = [src]; src2 += 2*8
vceq.i16 q2, \qB, \qH @ tmp2 = < B == H >
vmov q8, q12 @ S2prev = S2
vext.8 q15, q12, q9, #2 @ S2sr = (S2 >> 16) | S2next[0] < F >
vceq.i16 q0, q14, \qB @ tmp0 = < D == B >
vceq.i16 q3, q14, q15 @ tmp3 = < D == F >
vceq.i16 q1, \qB, q15 @ tmp1 = < B == F >
sub \counter, \counter, #8 @ counter -= 8
vorr q10, q2, q3 @ C0 = < B == H || D == F >
vceq.i16 q2, q14, \qH @ tmp2 = < D == H >
vceq.i16 q3, \qH, q15 @ tmp3 = < H == F >
vorn q0, q10, q0 @ tmp0 = < C0 || !(D == B) >
vorn q1, q10, q1 @ tmp1 = < C0 || !(B == F) >
vbsl q0, q12, q14 @ E0 = < (C0 || !(D == B)) ? E : D >
vbsl q1, q12, q15 @ E1 = < (C0 || !(B == F)) ? E : F >
vorn q2, q10, q2 @ tmp2 = < C0 || !(D == H) >
vorn q3, q10, q3 @ tmp3 = < C0 || !(H == F) >
vbsl q2, q12, q14 @ E2 = < (C0 || !(D == H)) ? E : D >
vst2.16 {q0-q1}, [\aldst1]! @ [dst] = E0,E1; dst1 += 2*2*8
cmp \counter, #8
vbsl q3, q12, q15 @ E3 = < (C0 || !(H == F)) ? E : F >
vst2.16 {q2-q3}, [\aldst2]! @ [dst + dststride] = E2,E3; dst2 += 2*2*8
bhi 2b
@ last 8 pixels
vmov q12, q9 @ S2 = S2next < E >
vshr.u64 d18, d19, #(64-16) @ S2next[0] = S2[7] | ...
.ifeqs "\qB", "q11"
vld1.16 {\qB}, [\alsrc1]! @ S1 = [src - srcstride] < B >; src1 += 2*8
.endif
vext.8 q14, q8, q12, #14 @ S2sl = S2prev[7] | (S2 << 16) < D >
vext.8 q15, q12, q9, #2 @ S2sr = (S2 >> 16) | S2next[0] < F >
.ifeqs "\qH", "q13"
vld1.16 {\qH}, [\alsrc3]! @ S3 = [src + srcstride] < H >; src3 += 2*8
.endif
vceq.i16 q0, q14, \qB @ tmp0 = < D == B >
vceq.i16 q2, \qB, \qH @ tmp2 = < B == H >
vceq.i16 q3, q14, q15 @ tmp3 = < D == F >
vceq.i16 q1, \qB, q15 @ tmp1 = < B == F >
vorr q10, q2, q3 @ C0 = < B == H || D == F >
vceq.i16 q2, q14, \qH @ tmp2 = < D == H >
vceq.i16 q3, \qH, q15 @ tmp3 = < H == F >
vorn q0, q10, q0 @ tmp0 = < C0 || !(D == B) >
vorn q1, q10, q1 @ tmp1 = < C0 || !(B == F) >
vbsl q0, q12, q14 @ E0 = < (C0 || !(D == B)) ? E : D >
vbsl q1, q12, q15 @ E1 = < (C0 || !(B == F)) ? E : F >
vorn q2, q10, q2 @ tmp2 = < C0 || !(D == H) >
vorn q3, q10, q3 @ tmp3 = < C0 || !(H == F) >
vbsl q2, q12, q14 @ E2 = < (C0 || !(D == H)) ? E : D >
vst2.16 {q0-q1}, [\aldst1]! @ [dst] = E0,E1; dst1 += 2*2*8
vbsl q3, q12, q15 @ E3 = < (C0 || !(H == F)) ? E : F >
vst2.16 {q2-q3}, [\aldst2]! @ [dst + dststride] = E2,E3; dst2 += 2*2*8
.endm
.macro _neon_scale2x_16_16_line_first src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2
__neon_scale2x_16_16_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q12, q13, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2
.endm
.macro _neon_scale2x_16_16_line_middle src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2
__neon_scale2x_16_16_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q11, q13, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2
.endm
.macro _neon_scale2x_16_16_line_last src1, src2, src3, counter, dst1, dst2, reg1, alsrc1, alsrc2, alsrc3, aldst1, aldst2
__neon_scale2x_16_16_line \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, q11, q12, \alsrc1, \alsrc2, \alsrc3, \aldst1, \aldst2
.endm
.macro neon_scale2x_16_16_line part, src1, src2, src3, counter, dst1, dst2, reg1, srcalign16, dstalign32
.ifeq \srcalign16
.ifeq \dstalign32
_neon_scale2x_16_16_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1, \src2, \src3, \dst1, \dst2
.else
_neon_scale2x_16_16_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1, \src2, \src3, \dst1:256, \dst2:256
.endif
.else
.ifeq \dstalign32
_neon_scale2x_16_16_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1:128, \src2:128, \src3:128, \dst1, \dst2
.else
_neon_scale2x_16_16_line_\part \src1, \src2, \src3, \counter, \dst1, \dst2, \reg1, \src1:128, \src2:128, \src3:128, \dst1:256, \dst2:256
.endif
.endif
.endm
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