diff options
Diffstat (limited to 'tests/tcg/hexagon/hvx_histogram_row.S')
| -rw-r--r-- | tests/tcg/hexagon/hvx_histogram_row.S | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/tests/tcg/hexagon/hvx_histogram_row.S b/tests/tcg/hexagon/hvx_histogram_row.S new file mode 100644 index 0000000000..5e42c33145 --- /dev/null +++ b/tests/tcg/hexagon/hvx_histogram_row.S @@ -0,0 +1,294 @@ +/* + * Copyright(c) 2021 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + + +/* + * void hvx_histogram_row(uint8_t *src, => r0 + * int stride, => r1 + * int width, => r2 + * int height, => r3 + * int *hist => r4) + */ + .text + .p2align 2 + .global hvx_histogram_row + .type hvx_histogram_row, @function +hvx_histogram_row: + { r2 = lsr(r2, #7) /* size / VLEN */ + r5 = and(r2, #127) /* size % VLEN */ + v1 = #0 + v0 = #0 + } + /* + * Step 1: Clean the whole vector register file + */ + { v3:2 = v1:0 + v5:4 = v1:0 + p0 = cmp.gt(r2, #0) /* P0 = (width / VLEN > 0) */ + p1 = cmp.eq(r5, #0) /* P1 = (width % VLEN == 0) */ + } + { q0 = vsetq(r5) + v7:6 = v1:0 + } + { v9:8 = v1:0 + v11:10 = v1:0 + } + { v13:12 = v1:0 + v15:14 = v1:0 + } + { v17:16 = v1:0 + v19:18 = v1:0 + } + { v21:20 = v1:0 + v23:22 = v1:0 + } + { v25:24 = v1:0 + v27:26 = v1:0 + } + { v29:28 = v1:0 + v31:30 = v1:0 + r10 = add(r0, r1) /* R10 = &src[2 * stride] */ + loop1(.outerloop, r3) + } + + /* + * Step 2: vhist + */ + .falign +.outerloop: + { if (!p0) jump .loopend + loop0(.innerloop, r2) + } + + .falign +.innerloop: + { v12.tmp = vmem(R0++#1) + vhist + }:endloop0 + + .falign +.loopend: + if (p1) jump .skip /* if (width % VLEN == 0) done with current row */ + { v13.tmp = vmem(r0 + #0) + vhist(q0) + } + + .falign +.skip: + { r0 = r10 /* R0 = &src[(i + 1) * stride] */ + r10 = add(r10, r1) /* R10 = &src[(i + 2) * stride] */ + }:endloop1 + + + /* + * Step 3: Sum up the data + */ + { v0.h = vshuff(v0.h) + r10 = ##0x00010001 + } + v1.h = vshuff(v1.h) + { V2.h = vshuff(v2.h) + v0.w = vdmpy(v0.h, r10.h):sat + } + { v3.h = vshuff(v3.h) + v1.w = vdmpy(v1.h, r10.h):sat + } + { v4.h = vshuff(V4.h) + v2.w = vdmpy(v2.h, r10.h):sat + } + { v5.h = vshuff(v5.h) + v3.w = vdmpy(v3.h, r10.h):sat + } + { v6.h = vshuff(v6.h) + v4.w = vdmpy(v4.h, r10.h):sat + } + { v7.h = vshuff(v7.h) + v5.w = vdmpy(v5.h, r10.h):sat + } + { v8.h = vshuff(V8.h) + v6.w = vdmpy(v6.h, r10.h):sat + } + { v9.h = vshuff(V9.h) + v7.w = vdmpy(v7.h, r10.h):sat + } + { v10.h = vshuff(v10.h) + v8.w = vdmpy(v8.h, r10.h):sat + } + { v11.h = vshuff(v11.h) + v9.w = vdmpy(v9.h, r10.h):sat + } + { v12.h = vshuff(v12.h) + v10.w = vdmpy(v10.h, r10.h):sat + } + { v13.h = vshuff(V13.h) + v11.w = vdmpy(v11.h, r10.h):sat + } + { v14.h = vshuff(v14.h) + v12.w = vdmpy(v12.h, r10.h):sat + } + { v15.h = vshuff(v15.h) + v13.w = vdmpy(v13.h, r10.h):sat + } + { v16.h = vshuff(v16.h) + v14.w = vdmpy(v14.h, r10.h):sat + } + { v17.h = vshuff(v17.h) + v15.w = vdmpy(v15.h, r10.h):sat + } + { v18.h = vshuff(v18.h) + v16.w = vdmpy(v16.h, r10.h):sat + } + { v19.h = vshuff(v19.h) + v17.w = vdmpy(v17.h, r10.h):sat + } + { v20.h = vshuff(v20.h) + v18.W = vdmpy(v18.h, r10.h):sat + } + { v21.h = vshuff(v21.h) + v19.w = vdmpy(v19.h, r10.h):sat + } + { v22.h = vshuff(v22.h) + v20.w = vdmpy(v20.h, r10.h):sat + } + { v23.h = vshuff(v23.h) + v21.w = vdmpy(v21.h, r10.h):sat + } + { v24.h = vshuff(v24.h) + v22.w = vdmpy(v22.h, r10.h):sat + } + { v25.h = vshuff(v25.h) + v23.w = vdmpy(v23.h, r10.h):sat + } + { v26.h = vshuff(v26.h) + v24.w = vdmpy(v24.h, r10.h):sat + } + { v27.h = vshuff(V27.h) + v25.w = vdmpy(v25.h, r10.h):sat + } + { v28.h = vshuff(v28.h) + v26.w = vdmpy(v26.h, r10.h):sat + } + { v29.h = vshuff(v29.h) + v27.w = vdmpy(v27.h, r10.h):sat + } + { v30.h = vshuff(v30.h) + v28.w = vdmpy(v28.h, r10.h):sat + } + { v31.h = vshuff(v31.h) + v29.w = vdmpy(v29.h, r10.h):sat + r28 = #32 + } + { vshuff(v1, v0, r28) + v30.w = vdmpy(v30.h, r10.h):sat + } + { vshuff(v3, v2, r28) + v31.w = vdmpy(v31.h, r10.h):sat + } + { vshuff(v5, v4, r28) + v0.w = vadd(v1.w, v0.w) + v2.w = vadd(v3.w, v2.w) + } + { vshuff(v7, v6, r28) + r7 = #64 + } + { vshuff(v9, v8, r28) + v4.w = vadd(v5.w, v4.w) + v6.w = vadd(v7.w, v6.w) + } + vshuff(v11, v10, r28) + { vshuff(v13, v12, r28) + v8.w = vadd(v9.w, v8.w) + v10.w = vadd(v11.w, v10.w) + } + vshuff(v15, v14, r28) + { vshuff(v17, v16, r28) + v12.w = vadd(v13.w, v12.w) + v14.w = vadd(v15.w, v14.w) + } + vshuff(v19, v18, r28) + { vshuff(v21, v20, r28) + v16.w = vadd(v17.w, v16.w) + v18.w = vadd(v19.w, v18.w) + } + vshuff(v23, v22, r28) + { vshuff(v25, v24, r28) + v20.w = vadd(v21.w, v20.w) + v22.w = vadd(v23.w, v22.w) + } + vshuff(v27, v26, r28) + { vshuff(v29, v28, r28) + v24.w = vadd(v25.w, v24.w) + v26.w = vadd(v27.w, v26.w) + } + vshuff(v31, v30, r28) + { v28.w = vadd(v29.w, v28.w) + vshuff(v2, v0, r7) + } + { v30.w = vadd(v31.w, v30.w) + vshuff(v6, v4, r7) + v0.w = vadd(v0.w, v2.w) + } + { vshuff(v10, v8, r7) + v1.tmp = vmem(r4 + #0) /* update hist[0-31] */ + v0.w = vadd(v0.w, v1.w) + vmem(r4++#1) = v0.new + } + { vshuff(v14, v12, r7) + v4.w = vadd(v4.w, v6.w) + v8.w = vadd(v8.w, v10.w) + } + { vshuff(v18, v16, r7) + v1.tmp = vmem(r4 + #0) /* update hist[32-63] */ + v4.w = vadd(v4.w, v1.w) + vmem(r4++#1) = v4.new + } + { vshuff(v22, v20, r7) + v12.w = vadd(v12.w, v14.w) + V16.w = vadd(v16.w, v18.w) + } + { vshuff(v26, v24, r7) + v1.tmp = vmem(r4 + #0) /* update hist[64-95] */ + v8.w = vadd(v8.w, v1.w) + vmem(r4++#1) = v8.new + } + { vshuff(v30, v28, r7) + v1.tmp = vmem(r4 + #0) /* update hist[96-127] */ + v12.w = vadd(v12.w, v1.w) + vmem(r4++#1) = v12.new + } + + { v20.w = vadd(v20.w, v22.w) + v1.tmp = vmem(r4 + #0) /* update hist[128-159] */ + v16.w = vadd(v16.w, v1.w) + vmem(r4++#1) = v16.new + } + { v24.w = vadd(v24.w, v26.w) + v1.tmp = vmem(r4 + #0) /* update hist[160-191] */ + v20.w = vadd(v20.w, v1.w) + vmem(r4++#1) = v20.new + } + { v28.w = vadd(v28.w, v30.w) + v1.tmp = vmem(r4 + #0) /* update hist[192-223] */ + v24.w = vadd(v24.w, v1.w) + vmem(r4++#1) = v24.new + } + { v1.tmp = vmem(r4 + #0) /* update hist[224-255] */ + v28.w = vadd(v28.w, v1.w) + vmem(r4++#1) = v28.new + } + jumpr r31 + .size hvx_histogram_row, .-hvx_histogram_row |