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envelope-from=tsimpson@qualcomm.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Replace __builtin_* with inline assembly The __builtin's are subject to change with different compiler releases, so might break Mark arrays as aligned when accessed as HVX vectors Clean up comments Signed-off-by: Taylor Simpson Reviewed-by: Anton Johansson --- tests/tcg/hexagon/scatter_gather.c | 513 +++++++++++++++-------------- 1 file changed, 271 insertions(+), 242 deletions(-) diff --git a/tests/tcg/hexagon/scatter_gather.c b/tests/tcg/hexagon/scatter_gather.c index b93eb18133..bf8b5e0317 100644 --- a/tests/tcg/hexagon/scatter_gather.c +++ b/tests/tcg/hexagon/scatter_gather.c @@ -1,5 +1,5 @@ /* - * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved. + * Copyright(c) 2019-2023 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 @@ -40,47 +40,6 @@ typedef long HVX_VectorPair __attribute__((__vector_size__(256))) typedef long HVX_VectorPred __attribute__((__vector_size__(128))) __attribute__((aligned(128))); -#define VSCATTER_16(BASE, RGN, OFF, VALS) \ - __builtin_HEXAGON_V6_vscattermh_128B((int)BASE, RGN, OFF, VALS) -#define VSCATTER_16_MASKED(MASK, BASE, RGN, OFF, VALS) \ - __builtin_HEXAGON_V6_vscattermhq_128B(MASK, (int)BASE, RGN, OFF, VALS) -#define VSCATTER_32(BASE, RGN, OFF, VALS) \ - __builtin_HEXAGON_V6_vscattermw_128B((int)BASE, RGN, OFF, VALS) -#define VSCATTER_32_MASKED(MASK, BASE, RGN, OFF, VALS) \ - __builtin_HEXAGON_V6_vscattermwq_128B(MASK, (int)BASE, RGN, OFF, VALS) -#define VSCATTER_16_32(BASE, RGN, OFF, VALS) \ - __builtin_HEXAGON_V6_vscattermhw_128B((int)BASE, RGN, OFF, VALS) -#define VSCATTER_16_32_MASKED(MASK, BASE, RGN, OFF, VALS) \ - __builtin_HEXAGON_V6_vscattermhwq_128B(MASK, (int)BASE, RGN, OFF, VALS) -#define VSCATTER_16_ACC(BASE, RGN, OFF, VALS) \ - __builtin_HEXAGON_V6_vscattermh_add_128B((int)BASE, RGN, OFF, VALS) -#define VSCATTER_32_ACC(BASE, RGN, OFF, VALS) \ - __builtin_HEXAGON_V6_vscattermw_add_128B((int)BASE, RGN, OFF, VALS) -#define VSCATTER_16_32_ACC(BASE, RGN, OFF, VALS) \ - __builtin_HEXAGON_V6_vscattermhw_add_128B((int)BASE, RGN, OFF, VALS) - -#define VGATHER_16(DSTADDR, BASE, RGN, OFF) \ - __builtin_HEXAGON_V6_vgathermh_128B(DSTADDR, (int)BASE, RGN, OFF) -#define VGATHER_16_MASKED(DSTADDR, MASK, BASE, RGN, OFF) \ - __builtin_HEXAGON_V6_vgathermhq_128B(DSTADDR, MASK, (int)BASE, RGN, OFF) -#define VGATHER_32(DSTADDR, BASE, RGN, OFF) \ - __builtin_HEXAGON_V6_vgathermw_128B(DSTADDR, (int)BASE, RGN, OFF) -#define VGATHER_32_MASKED(DSTADDR, MASK, BASE, RGN, OFF) \ - __builtin_HEXAGON_V6_vgathermwq_128B(DSTADDR, MASK, (int)BASE, RGN, OFF) -#define VGATHER_16_32(DSTADDR, BASE, RGN, OFF) \ - __builtin_HEXAGON_V6_vgathermhw_128B(DSTADDR, (int)BASE, RGN, OFF) -#define VGATHER_16_32_MASKED(DSTADDR, MASK, BASE, RGN, OFF) \ - __builtin_HEXAGON_V6_vgathermhwq_128B(DSTADDR, MASK, (int)BASE, RGN, OFF) - -#define VSHUFF_H(V) \ - __builtin_HEXAGON_V6_vshuffh_128B(V) -#define VSPLAT_H(X) \ - __builtin_HEXAGON_V6_lvsplath_128B(X) -#define VAND_VAL(PRED, VAL) \ - __builtin_HEXAGON_V6_vandvrt_128B(PRED, VAL) -#define VDEAL_H(V) \ - __builtin_HEXAGON_V6_vdealh_128B(V) - int err; /* define the number of rows/cols in a square matrix */ @@ -108,22 +67,22 @@ unsigned short vscatter16_32_ref[SCATTER_BUFFER_SIZE]; unsigned short vgather16_32_ref[MATRIX_SIZE]; /* declare the arrays of offsets */ -unsigned short half_offsets[MATRIX_SIZE]; -unsigned int word_offsets[MATRIX_SIZE]; +unsigned short half_offsets[MATRIX_SIZE] __attribute__((aligned(128))); +unsigned int word_offsets[MATRIX_SIZE] __attribute__((aligned(128))); /* declare the arrays of values */ -unsigned short half_values[MATRIX_SIZE]; -unsigned short half_values_acc[MATRIX_SIZE]; -unsigned short half_values_masked[MATRIX_SIZE]; -unsigned int word_values[MATRIX_SIZE]; -unsigned int word_values_acc[MATRIX_SIZE]; -unsigned int word_values_masked[MATRIX_SIZE]; +unsigned short half_values[MATRIX_SIZE] __attribute__((aligned(128))); +unsigned short half_values_acc[MATRIX_SIZE] __attribute__((aligned(128))); +unsigned short half_values_masked[MATRIX_SIZE] __attribute__((aligned(128))); +unsigned int word_values[MATRIX_SIZE] __attribute__((aligned(128))); +unsigned int word_values_acc[MATRIX_SIZE] __attribute__((aligned(128))); +unsigned int word_values_masked[MATRIX_SIZE] __attribute__((aligned(128))); /* declare the arrays of predicates */ -unsigned short half_predicates[MATRIX_SIZE]; -unsigned int word_predicates[MATRIX_SIZE]; +unsigned short half_predicates[MATRIX_SIZE] __attribute__((aligned(128))); +unsigned int word_predicates[MATRIX_SIZE] __attribute__((aligned(128))); -/* make this big enough for all the intrinsics */ +/* make this big enough for all the operations */ const size_t region_len = sizeof(vtcm); /* optionally add sync instructions */ @@ -261,164 +220,201 @@ void create_offsets_values_preds_16_32(void) } } -/* scatter the 16 bit elements using intrinsics */ +/* scatter the 16 bit elements using HVX */ void vector_scatter_16(void) { - /* copy the offsets and values to vectors */ - HVX_Vector offsets = *(HVX_Vector *)half_offsets; - HVX_Vector values = *(HVX_Vector *)half_values; - - VSCATTER_16(&vtcm.vscatter16, region_len, offsets, values); + asm ("m0 = %1\n\t" + "v0 = vmem(%2 + #0)\n\t" + "v1 = vmem(%3 + #0)\n\t" + "vscatter(%0, m0, v0.h).h = v1\n\t" + : : "r"(vtcm.vscatter16), "r"(region_len), + "r"(half_offsets), "r"(half_values) + : "m0", "v0", "v1", "memory"); sync_scatter(vtcm.vscatter16); } -/* scatter-accumulate the 16 bit elements using intrinsics */ +/* scatter-accumulate the 16 bit elements using HVX */ void vector_scatter_16_acc(void) { - /* copy the offsets and values to vectors */ - HVX_Vector offsets = *(HVX_Vector *)half_offsets; - HVX_Vector values = *(HVX_Vector *)half_values_acc; - - VSCATTER_16_ACC(&vtcm.vscatter16, region_len, offsets, values); + asm ("m0 = %1\n\t" + "v0 = vmem(%2 + #0)\n\t" + "v1 = vmem(%3 + #0)\n\t" + "vscatter(%0, m0, v0.h).h += v1\n\t" + : : "r"(vtcm.vscatter16), "r"(region_len), + "r"(half_offsets), "r"(half_values_acc) + : "m0", "v0", "v1", "memory"); sync_scatter(vtcm.vscatter16); } -/* scatter the 16 bit elements using intrinsics */ +/* masked scatter the 16 bit elements using HVX */ void vector_scatter_16_masked(void) { - /* copy the offsets and values to vectors */ - HVX_Vector offsets = *(HVX_Vector *)half_offsets; - HVX_Vector values = *(HVX_Vector *)half_values_masked; - HVX_Vector pred_reg = *(HVX_Vector *)half_predicates; - HVX_VectorPred preds = VAND_VAL(pred_reg, ~0); - - VSCATTER_16_MASKED(preds, &vtcm.vscatter16, region_len, offsets, values); + asm ("r1 = #-1\n\t" + "v0 = vmem(%0 + #0)\n\t" + "q0 = vand(v0, r1)\n\t" + "m0 = %2\n\t" + "v0 = vmem(%3 + #0)\n\t" + "v1 = vmem(%4 + #0)\n\t" + "if (q0) vscatter(%1, m0, v0.h).h = v1\n\t" + : : "r"(half_predicates), "r"(vtcm.vscatter16), "r"(region_len), + "r"(half_offsets), "r"(half_values_masked) + : "r1", "q0", "m0", "q0", "v0", "v1", "memory"); sync_scatter(vtcm.vscatter16); } -/* scatter the 32 bit elements using intrinsics */ +/* scatter the 32 bit elements using HVX */ void vector_scatter_32(void) { - /* copy the offsets and values to vectors */ - HVX_Vector offsetslo = *(HVX_Vector *)word_offsets; - HVX_Vector offsetshi = *(HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; - HVX_Vector valueslo = *(HVX_Vector *)word_values; - HVX_Vector valueshi = *(HVX_Vector *)&word_values[MATRIX_SIZE / 2]; - - VSCATTER_32(&vtcm.vscatter32, region_len, offsetslo, valueslo); - VSCATTER_32(&vtcm.vscatter32, region_len, offsetshi, valueshi); + HVX_Vector *offsetslo = (HVX_Vector *)word_offsets; + HVX_Vector *offsetshi = (HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; + HVX_Vector *valueslo = (HVX_Vector *)word_values; + HVX_Vector *valueshi = (HVX_Vector *)&word_values[MATRIX_SIZE / 2]; + + asm ("m0 = %1\n\t" + "v0 = vmem(%2 + #0)\n\t" + "v1 = vmem(%3 + #0)\n\t" + "vscatter(%0, m0, v0.w).w = v1\n\t" + : : "r"(vtcm.vscatter32), "r"(region_len), + "r"(offsetslo), "r"(valueslo) + : "m0", "v0", "v1", "memory"); + asm ("m0 = %1\n\t" + "v0 = vmem(%2 + #0)\n\t" + "v1 = vmem(%3 + #0)\n\t" + "vscatter(%0, m0, v0.w).w = v1\n\t" + : : "r"(vtcm.vscatter32), "r"(region_len), + "r"(offsetshi), "r"(valueshi) + : "m0", "v0", "v1", "memory"); sync_scatter(vtcm.vscatter32); } -/* scatter-acc the 32 bit elements using intrinsics */ +/* scatter-accumulate the 32 bit elements using HVX */ void vector_scatter_32_acc(void) { - /* copy the offsets and values to vectors */ - HVX_Vector offsetslo = *(HVX_Vector *)word_offsets; - HVX_Vector offsetshi = *(HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; - HVX_Vector valueslo = *(HVX_Vector *)word_values_acc; - HVX_Vector valueshi = *(HVX_Vector *)&word_values_acc[MATRIX_SIZE / 2]; - - VSCATTER_32_ACC(&vtcm.vscatter32, region_len, offsetslo, valueslo); - VSCATTER_32_ACC(&vtcm.vscatter32, region_len, offsetshi, valueshi); + HVX_Vector *offsetslo = (HVX_Vector *)word_offsets; + HVX_Vector *offsetshi = (HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; + HVX_Vector *valueslo = (HVX_Vector *)word_values_acc; + HVX_Vector *valueshi = (HVX_Vector *)&word_values_acc[MATRIX_SIZE / 2]; + + asm ("m0 = %1\n\t" + "v0 = vmem(%2 + #0)\n\t" + "v1 = vmem(%3 + #0)\n\t" + "vscatter(%0, m0, v0.w).w += v1\n\t" + : : "r"(vtcm.vscatter32), "r"(region_len), + "r"(offsetslo), "r"(valueslo) + : "m0", "v0", "v1", "memory"); + asm ("m0 = %1\n\t" + "v0 = vmem(%2 + #0)\n\t" + "v1 = vmem(%3 + #0)\n\t" + "vscatter(%0, m0, v0.w).w += v1\n\t" + : : "r"(vtcm.vscatter32), "r"(region_len), + "r"(offsetshi), "r"(valueshi) + : "m0", "v0", "v1", "memory"); sync_scatter(vtcm.vscatter32); } -/* scatter the 32 bit elements using intrinsics */ +/* masked scatter the 32 bit elements using HVX */ void vector_scatter_32_masked(void) { - /* copy the offsets and values to vectors */ - HVX_Vector offsetslo = *(HVX_Vector *)word_offsets; - HVX_Vector offsetshi = *(HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; - HVX_Vector valueslo = *(HVX_Vector *)word_values_masked; - HVX_Vector valueshi = *(HVX_Vector *)&word_values_masked[MATRIX_SIZE / 2]; - HVX_Vector pred_reglo = *(HVX_Vector *)word_predicates; - HVX_Vector pred_reghi = *(HVX_Vector *)&word_predicates[MATRIX_SIZE / 2]; - HVX_VectorPred predslo = VAND_VAL(pred_reglo, ~0); - HVX_VectorPred predshi = VAND_VAL(pred_reghi, ~0); - - VSCATTER_32_MASKED(predslo, &vtcm.vscatter32, region_len, offsetslo, - valueslo); - VSCATTER_32_MASKED(predshi, &vtcm.vscatter32, region_len, offsetshi, - valueshi); + HVX_Vector *offsetslo = (HVX_Vector *)word_offsets; + HVX_Vector *offsetshi = (HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; + HVX_Vector *valueslo = (HVX_Vector *)word_values_masked; + HVX_Vector *valueshi = (HVX_Vector *)&word_values_masked[MATRIX_SIZE / 2]; + HVX_Vector *predslo = (HVX_Vector *)word_predicates; + HVX_Vector *predshi = (HVX_Vector *)&word_predicates[MATRIX_SIZE / 2]; + + asm ("r1 = #-1\n\t" + "v0 = vmem(%0 + #0)\n\t" + "q0 = vand(v0, r1)\n\t" + "m0 = %2\n\t" + "v0 = vmem(%3 + #0)\n\t" + "v1 = vmem(%4 + #0)\n\t" + "if (q0) vscatter(%1, m0, v0.w).w = v1\n\t" + : : "r"(predslo), "r"(vtcm.vscatter32), "r"(region_len), + "r"(offsetslo), "r"(valueslo) + : "r1", "q0", "m0", "q0", "v0", "v1", "memory"); + asm ("r1 = #-1\n\t" + "v0 = vmem(%0 + #0)\n\t" + "q0 = vand(v0, r1)\n\t" + "m0 = %2\n\t" + "v0 = vmem(%3 + #0)\n\t" + "v1 = vmem(%4 + #0)\n\t" + "if (q0) vscatter(%1, m0, v0.w).w = v1\n\t" + : : "r"(predshi), "r"(vtcm.vscatter32), "r"(region_len), + "r"(offsetshi), "r"(valueshi) + : "r1", "q0", "m0", "q0", "v0", "v1", "memory"); - sync_scatter(vtcm.vscatter16); + sync_scatter(vtcm.vscatter32); } -/* scatter the 16 bit elements with 32 bit offsets using intrinsics */ +/* scatter the 16 bit elements with 32 bit offsets using HVX */ void vector_scatter_16_32(void) { - HVX_VectorPair offsets; - HVX_Vector values; - - /* get the word offsets in a vector pair */ - offsets = *(HVX_VectorPair *)word_offsets; - - /* these values need to be shuffled for the scatter */ - values = *(HVX_Vector *)half_values; - values = VSHUFF_H(values); - - VSCATTER_16_32(&vtcm.vscatter16_32, region_len, offsets, values); + asm ("m0 = %1\n\t" + "v0 = vmem(%2 + #0)\n\t" + "v1 = vmem(%2 + #1)\n\t" + "v2 = vmem(%3 + #0)\n\t" + "v2.h = vshuff(v2.h)\n\t" /* shuffle the values for the scatter */ + "vscatter(%0, m0, v1:0.w).h = v2\n\t" + : : "r"(vtcm.vscatter16_32), "r"(region_len), + "r"(word_offsets), "r"(half_values) + : "m0", "v0", "v1", "v2", "memory"); sync_scatter(vtcm.vscatter16_32); } -/* scatter-acc the 16 bit elements with 32 bit offsets using intrinsics */ +/* scatter-accumulate the 16 bit elements with 32 bit offsets using HVX */ void vector_scatter_16_32_acc(void) { - HVX_VectorPair offsets; - HVX_Vector values; - - /* get the word offsets in a vector pair */ - offsets = *(HVX_VectorPair *)word_offsets; - - /* these values need to be shuffled for the scatter */ - values = *(HVX_Vector *)half_values_acc; - values = VSHUFF_H(values); - - VSCATTER_16_32_ACC(&vtcm.vscatter16_32, region_len, offsets, values); + asm ("m0 = %1\n\t" + "v0 = vmem(%2 + #0)\n\t" + "v1 = vmem(%2 + #1)\n\t" + "v2 = vmem(%3 + #0)\n\t" \ + "v2.h = vshuff(v2.h)\n\t" /* shuffle the values for the scatter */ + "vscatter(%0, m0, v1:0.w).h += v2\n\t" + : : "r"(vtcm.vscatter16_32), "r"(region_len), + "r"(word_offsets), "r"(half_values_acc) + : "m0", "v0", "v1", "v2", "memory"); sync_scatter(vtcm.vscatter16_32); } -/* masked scatter the 16 bit elements with 32 bit offsets using intrinsics */ +/* masked scatter the 16 bit elements with 32 bit offsets using HVX */ void vector_scatter_16_32_masked(void) { - HVX_VectorPair offsets; - HVX_Vector values; - HVX_Vector pred_reg; - - /* get the word offsets in a vector pair */ - offsets = *(HVX_VectorPair *)word_offsets; - - /* these values need to be shuffled for the scatter */ - values = *(HVX_Vector *)half_values_masked; - values = VSHUFF_H(values); - - pred_reg = *(HVX_Vector *)half_predicates; - pred_reg = VSHUFF_H(pred_reg); - HVX_VectorPred preds = VAND_VAL(pred_reg, ~0); - - VSCATTER_16_32_MASKED(preds, &vtcm.vscatter16_32, region_len, offsets, - values); + asm ("r1 = #-1\n\t" + "v0 = vmem(%0 + #0)\n\t" + "v0.h = vshuff(v0.h)\n\t" /* shuffle the predicates */ + "q0 = vand(v0, r1)\n\t" + "m0 = %2\n\t" + "v0 = vmem(%3 + #0)\n\t" + "v1 = vmem(%3 + #1)\n\t" + "v2 = vmem(%4 + #0)\n\t" \ + "v2.h = vshuff(v2.h)\n\t" /* shuffle the values for the scatter */ + "if (q0) vscatter(%1, m0, v1:0.w).h = v2\n\t" + : : "r"(half_predicates), "r"(vtcm.vscatter16_32), "r"(region_len), + "r"(word_offsets), "r"(half_values_masked) + : "r1", "q0", "m0", "v0", "v1", "v2", "memory"); sync_scatter(vtcm.vscatter16_32); } -/* gather the elements from the scatter16 buffer */ +/* gather the elements from the scatter16 buffer using HVX */ void vector_gather_16(void) { - HVX_Vector *vgather = (HVX_Vector *)&vtcm.vgather16; - HVX_Vector offsets = *(HVX_Vector *)half_offsets; - - VGATHER_16(vgather, &vtcm.vscatter16, region_len, offsets); - - sync_gather(vgather); + asm ("m0 = %1\n\t" + "v0 = vmem(%2 + #0)\n\t" + "{ vtmp.h = vgather(%0, m0, v0.h).h\n\t" + " vmem(%3 + #0) = vtmp.new }\n\t" + : : "r"(vtcm.vscatter16), "r"(region_len), + "r"(half_offsets), "r"(vtcm.vgather16) + : "m0", "v0", "memory"); + + sync_gather(vtcm.vgather16); } static unsigned short gather_16_masked_init(void) @@ -427,31 +423,51 @@ static unsigned short gather_16_masked_init(void) return letter | (letter << 8); } +/* masked gather the elements from the scatter16 buffer using HVX */ void vector_gather_16_masked(void) { - HVX_Vector *vgather = (HVX_Vector *)&vtcm.vgather16; - HVX_Vector offsets = *(HVX_Vector *)half_offsets; - HVX_Vector pred_reg = *(HVX_Vector *)half_predicates; - HVX_VectorPred preds = VAND_VAL(pred_reg, ~0); - - *vgather = VSPLAT_H(gather_16_masked_init()); - VGATHER_16_MASKED(vgather, preds, &vtcm.vscatter16, region_len, offsets); - - sync_gather(vgather); + unsigned short init = gather_16_masked_init(); + + asm ("v0.h = vsplat(%5)\n\t" + "vmem(%4 + #0) = v0\n\t" /* initialize the write area */ + "r1 = #-1\n\t" + "v0 = vmem(%0 + #0)\n\t" + "q0 = vand(v0, r1)\n\t" + "m0 = %2\n\t" + "v0 = vmem(%3 + #0)\n\t" + "{ if (q0) vtmp.h = vgather(%1, m0, v0.h).h\n\t" + " vmem(%4 + #0) = vtmp.new }\n\t" + : : "r"(half_predicates), "r"(vtcm.vscatter16), "r"(region_len), + "r"(half_offsets), "r"(vtcm.vgather16), "r"(init) + : "r1", "q0", "m0", "v0", "memory"); + + sync_gather(vtcm.vgather16); } -/* gather the elements from the scatter32 buffer */ +/* gather the elements from the scatter32 buffer using HVX */ void vector_gather_32(void) { - HVX_Vector *vgatherlo = (HVX_Vector *)&vtcm.vgather32; - HVX_Vector *vgatherhi = - (HVX_Vector *)((int)&vtcm.vgather32 + (MATRIX_SIZE * 2)); - HVX_Vector offsetslo = *(HVX_Vector *)word_offsets; - HVX_Vector offsetshi = *(HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; - - VGATHER_32(vgatherlo, &vtcm.vscatter32, region_len, offsetslo); - VGATHER_32(vgatherhi, &vtcm.vscatter32, region_len, offsetshi); + HVX_Vector *vgatherlo = (HVX_Vector *)vtcm.vgather32; + HVX_Vector *vgatherhi = (HVX_Vector *)&vtcm.vgather32[MATRIX_SIZE / 2]; + HVX_Vector *offsetslo = (HVX_Vector *)word_offsets; + HVX_Vector *offsetshi = (HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; + + asm ("m0 = %1\n\t" + "v0 = vmem(%2 + #0)\n\t" + "{ vtmp.w = vgather(%0, m0, v0.w).w\n\t" + " vmem(%3 + #0) = vtmp.new }\n\t" + : : "r"(vtcm.vscatter32), "r"(region_len), + "r"(offsetslo), "r"(vgatherlo) + : "m0", "v0", "memory"); + asm ("m0 = %1\n\t" + "v0 = vmem(%2 + #0)\n\t" + "{ vtmp.w = vgather(%0, m0, v0.w).w\n\t" + " vmem(%3 + #0) = vtmp.new }\n\t" + : : "r"(vtcm.vscatter32), "r"(region_len), + "r"(offsetshi), "r"(vgatherhi) + : "m0", "v0", "memory"); + sync_gather(vgatherlo); sync_gather(vgatherhi); } @@ -461,79 +477,88 @@ static unsigned int gather_32_masked_init(void) return letter | (letter << 8) | (letter << 16) | (letter << 24); } +/* masked gather the elements from the scatter32 buffer using HVX */ void vector_gather_32_masked(void) { - HVX_Vector *vgatherlo = (HVX_Vector *)&vtcm.vgather32; - HVX_Vector *vgatherhi = - (HVX_Vector *)((int)&vtcm.vgather32 + (MATRIX_SIZE * 2)); - HVX_Vector offsetslo = *(HVX_Vector *)word_offsets; - HVX_Vector offsetshi = *(HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; - HVX_Vector pred_reglo = *(HVX_Vector *)word_predicates; - HVX_VectorPred predslo = VAND_VAL(pred_reglo, ~0); - HVX_Vector pred_reghi = *(HVX_Vector *)&word_predicates[MATRIX_SIZE / 2]; - HVX_VectorPred predshi = VAND_VAL(pred_reghi, ~0); - - *vgatherlo = VSPLAT_H(gather_32_masked_init()); - *vgatherhi = VSPLAT_H(gather_32_masked_init()); - VGATHER_32_MASKED(vgatherlo, predslo, &vtcm.vscatter32, region_len, - offsetslo); - VGATHER_32_MASKED(vgatherhi, predshi, &vtcm.vscatter32, region_len, - offsetshi); + unsigned int init = gather_32_masked_init(); + HVX_Vector *vgatherlo = (HVX_Vector *)vtcm.vgather32; + HVX_Vector *vgatherhi = (HVX_Vector *)&vtcm.vgather32[MATRIX_SIZE / 2]; + HVX_Vector *offsetslo = (HVX_Vector *)word_offsets; + HVX_Vector *offsetshi = (HVX_Vector *)&word_offsets[MATRIX_SIZE / 2]; + HVX_Vector *predslo = (HVX_Vector *)word_predicates; + HVX_Vector *predshi = (HVX_Vector *)&word_predicates[MATRIX_SIZE / 2]; + + asm ("v0.h = vsplat(%5)\n\t" + "vmem(%4 + #0) = v0\n\t" /* initialize the write area */ + "r1 = #-1\n\t" + "v0 = vmem(%0 + #0)\n\t" + "q0 = vand(v0, r1)\n\t" + "m0 = %2\n\t" + "v0 = vmem(%3 + #0)\n\t" + "{ if (q0) vtmp.w = vgather(%1, m0, v0.w).w\n\t" + " vmem(%4 + #0) = vtmp.new }\n\t" + : : "r"(predslo), "r"(vtcm.vscatter32), "r"(region_len), + "r"(offsetslo), "r"(vgatherlo), "r"(init) + : "r1", "q0", "m0", "v0", "memory"); + asm ("v0.h = vsplat(%5)\n\t" + "vmem(%4 + #0) = v0\n\t" /* initialize the write area */ + "r1 = #-1\n\t" + "v0 = vmem(%0 + #0)\n\t" + "q0 = vand(v0, r1)\n\t" + "m0 = %2\n\t" + "v0 = vmem(%3 + #0)\n\t" + "{ if (q0) vtmp.w = vgather(%1, m0, v0.w).w\n\t" + " vmem(%4 + #0) = vtmp.new }\n\t" + : : "r"(predshi), "r"(vtcm.vscatter32), "r"(region_len), + "r"(offsetshi), "r"(vgatherhi), "r"(init) + : "r1", "q0", "m0", "v0", "memory"); sync_gather(vgatherlo); sync_gather(vgatherhi); } -/* gather the elements from the scatter16_32 buffer */ +/* gather the elements from the scatter16_32 buffer using HVX */ void vector_gather_16_32(void) { - HVX_Vector *vgather; - HVX_VectorPair offsets; - HVX_Vector values; - - /* get the vtcm address to gather from */ - vgather = (HVX_Vector *)&vtcm.vgather16_32; - - /* get the word offsets in a vector pair */ - offsets = *(HVX_VectorPair *)word_offsets; - - VGATHER_16_32(vgather, &vtcm.vscatter16_32, region_len, offsets); - - /* deal the elements to get the order back */ - values = *(HVX_Vector *)vgather; - values = VDEAL_H(values); - - /* write it back to vtcm address */ - *(HVX_Vector *)vgather = values; + asm ("m0 = %1\n\t" + "v0 = vmem(%2 + #0)\n\t" + "v1 = vmem(%2 + #1)\n\t" + "{ vtmp.h = vgather(%0, m0, v1:0.w).h\n\t" + " vmem(%3 + #0) = vtmp.new }\n\t" + "v0 = vmem(%3 + #0)\n\t" + "v0.h = vdeal(v0.h)\n\t" /* deal the elements to get the order back */ + "vmem(%3 + #0) = v0\n\t" + : : "r"(vtcm.vscatter16_32), "r"(region_len), + "r"(word_offsets), "r"(vtcm.vgather16_32) + : "m0", "v0", "v1", "memory"); + + sync_gather(vtcm.vgather16_32); } +/* masked gather the elements from the scatter16_32 buffer using HVX */ void vector_gather_16_32_masked(void) { - HVX_Vector *vgather; - HVX_VectorPair offsets; - HVX_Vector pred_reg; - HVX_VectorPred preds; - HVX_Vector values; - - /* get the vtcm address to gather from */ - vgather = (HVX_Vector *)&vtcm.vgather16_32; - - /* get the word offsets in a vector pair */ - offsets = *(HVX_VectorPair *)word_offsets; - pred_reg = *(HVX_Vector *)half_predicates; - pred_reg = VSHUFF_H(pred_reg); - preds = VAND_VAL(pred_reg, ~0); - - *vgather = VSPLAT_H(gather_16_masked_init()); - VGATHER_16_32_MASKED(vgather, preds, &vtcm.vscatter16_32, region_len, - offsets); - - /* deal the elements to get the order back */ - values = *(HVX_Vector *)vgather; - values = VDEAL_H(values); - - /* write it back to vtcm address */ - *(HVX_Vector *)vgather = values; + unsigned short init = gather_16_masked_init(); + + asm ("v0.h = vsplat(%5)\n\t" + "vmem(%4 + #0) = v0\n\t" /* initialize the write area */ + "r1 = #-1\n\t" + "v0 = vmem(%0 + #0)\n\t" + "v0.h = vshuff(v0.h)\n\t" /* shuffle the predicates */ + "q0 = vand(v0, r1)\n\t" + "m0 = %2\n\t" + "v0 = vmem(%3 + #0)\n\t" + "v1 = vmem(%3 + #1)\n\t" + "{ if (q0) vtmp.h = vgather(%1, m0, v1:0.w).h\n\t" + " vmem(%4 + #0) = vtmp.new }\n\t" + "v0 = vmem(%4 + #0)\n\t" + "v0.h = vdeal(v0.h)\n\t" /* deal the elements to get the order back */ + "vmem(%4 + #0) = v0\n\t" + : : "r"(half_predicates), "r"(vtcm.vscatter16_32), "r"(region_len), + "r"(word_offsets), "r"(vtcm.vgather16_32), "r"(init) + : "r1", "q0", "m0", "v0", "v1", "memory"); + + sync_gather(vtcm.vgather16_32); } static void check_buffer(const char *name, void *c, void *r, size_t size) @@ -579,6 +604,7 @@ void scalar_scatter_16_acc(unsigned short *vscatter16) } } +/* scatter-accumulate the 16 bit elements using C */ void check_scatter_16_acc() { memset(vscatter16_ref, FILL_CHAR, @@ -589,7 +615,7 @@ void check_scatter_16_acc() SCATTER_BUFFER_SIZE * sizeof(unsigned short)); } -/* scatter the 16 bit elements using C */ +/* masked scatter the 16 bit elements using C */ void scalar_scatter_16_masked(unsigned short *vscatter16) { for (int i = 0; i < MATRIX_SIZE; i++) { @@ -628,7 +654,7 @@ void check_scatter_32() SCATTER_BUFFER_SIZE * sizeof(unsigned int)); } -/* scatter the 32 bit elements using C */ +/* scatter-accumulate the 32 bit elements using C */ void scalar_scatter_32_acc(unsigned int *vscatter32) { for (int i = 0; i < MATRIX_SIZE; ++i) { @@ -646,7 +672,7 @@ void check_scatter_32_acc() SCATTER_BUFFER_SIZE * sizeof(unsigned int)); } -/* scatter the 32 bit elements using C */ +/* masked scatter the 32 bit elements using C */ void scalar_scatter_32_masked(unsigned int *vscatter32) { for (int i = 0; i < MATRIX_SIZE; i++) { @@ -667,7 +693,7 @@ void check_scatter_32_masked() SCATTER_BUFFER_SIZE * sizeof(unsigned int)); } -/* scatter the 32 bit elements using C */ +/* scatter the 16 bit elements with 32 bit offsets using C */ void scalar_scatter_16_32(unsigned short *vscatter16_32) { for (int i = 0; i < MATRIX_SIZE; ++i) { @@ -684,7 +710,7 @@ void check_scatter_16_32() SCATTER_BUFFER_SIZE * sizeof(unsigned short)); } -/* scatter the 32 bit elements using C */ +/* scatter-accumulate the 16 bit elements with 32 bit offsets using C */ void scalar_scatter_16_32_acc(unsigned short *vscatter16_32) { for (int i = 0; i < MATRIX_SIZE; ++i) { @@ -702,6 +728,7 @@ void check_scatter_16_32_acc() SCATTER_BUFFER_SIZE * sizeof(unsigned short)); } +/* masked scatter the 16 bit elements with 32 bit offsets using C */ void scalar_scatter_16_32_masked(unsigned short *vscatter16_32) { for (int i = 0; i < MATRIX_SIZE; i++) { @@ -738,6 +765,7 @@ void check_gather_16() MATRIX_SIZE * sizeof(unsigned short)); } +/* masked gather the elements from the scatter buffer using C */ void scalar_gather_16_masked(unsigned short *vgather16) { for (int i = 0; i < MATRIX_SIZE; ++i) { @@ -756,7 +784,7 @@ void check_gather_16_masked() MATRIX_SIZE * sizeof(unsigned short)); } -/* gather the elements from the scatter buffer using C */ +/* gather the elements from the scatter32 buffer using C */ void scalar_gather_32(unsigned int *vgather32) { for (int i = 0; i < MATRIX_SIZE; ++i) { @@ -772,6 +800,7 @@ void check_gather_32(void) MATRIX_SIZE * sizeof(unsigned int)); } +/* masked gather the elements from the scatter32 buffer using C */ void scalar_gather_32_masked(unsigned int *vgather32) { for (int i = 0; i < MATRIX_SIZE; ++i) { @@ -781,7 +810,6 @@ void scalar_gather_32_masked(unsigned int *vgather32) } } - void check_gather_32_masked(void) { memset(vgather32_ref, gather_32_masked_init(), @@ -791,7 +819,7 @@ void check_gather_32_masked(void) vgather32_ref, MATRIX_SIZE * sizeof(unsigned int)); } -/* gather the elements from the scatter buffer using C */ +/* gather the elements from the scatter16_32 buffer using C */ void scalar_gather_16_32(unsigned short *vgather16_32) { for (int i = 0; i < MATRIX_SIZE; ++i) { @@ -807,6 +835,7 @@ void check_gather_16_32(void) MATRIX_SIZE * sizeof(unsigned short)); } +/* masked gather the elements from the scatter16_32 buffer using C */ void scalar_gather_16_32_masked(unsigned short *vgather16_32) { for (int i = 0; i < MATRIX_SIZE; ++i) {