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Diffstat (limited to 'libavcodec/mips/mpegvideo_mmi.c')
-rw-r--r--libavcodec/mips/mpegvideo_mmi.c506
1 files changed, 506 insertions, 0 deletions
diff --git a/libavcodec/mips/mpegvideo_mmi.c b/libavcodec/mips/mpegvideo_mmi.c
new file mode 100644
index 0000000000..18058e492d
--- /dev/null
+++ b/libavcodec/mips/mpegvideo_mmi.c
@@ -0,0 +1,506 @@
+/*
+ * Loongson SIMD optimized mpegvideo
+ *
+ * Copyright (c) 2015 Loongson Technology Corporation Limited
+ * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
+ * Zhang Shuangshuang <zhangshuangshuang@ict.ac.cn>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "mpegvideo_mips.h"
+#include "libavutil/mips/mmiutils.h"
+
+void ff_dct_unquantize_h263_intra_mmi(MpegEncContext *s, int16_t *block,
+ int n, int qscale)
+{
+ int64_t level, qmul, qadd, nCoeffs;
+ double ftmp[6];
+ mips_reg addr[1];
+ DECLARE_VAR_ALL64;
+
+ qmul = qscale << 1;
+ av_assert2(s->block_last_index[n]>=0 || s->h263_aic);
+
+ if (!s->h263_aic) {
+ if (n<4)
+ level = block[0] * s->y_dc_scale;
+ else
+ level = block[0] * s->c_dc_scale;
+ qadd = (qscale-1) | 1;
+ } else {
+ qadd = 0;
+ level = block[0];
+ }
+
+ if(s->ac_pred)
+ nCoeffs = 63;
+ else
+ nCoeffs = s->inter_scantable.raster_end[s->block_last_index[n]];
+
+ __asm__ volatile (
+ "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "packsswh %[qmul], %[qmul], %[qmul] \n\t"
+ "packsswh %[qmul], %[qmul], %[qmul] \n\t"
+ "packsswh %[qadd], %[qadd], %[qadd] \n\t"
+ "packsswh %[qadd], %[qadd], %[qadd] \n\t"
+ "psubh %[ftmp0], %[ftmp0], %[qadd] \n\t"
+ "xor %[ftmp5], %[ftmp5], %[ftmp5] \n\t"
+ ".p2align 4 \n\t"
+
+ "1: \n\t"
+ PTR_ADDU "%[addr0], %[block], %[nCoeffs] \n\t"
+ MMI_LDC1(%[ftmp1], %[addr0], 0x00)
+ MMI_LDC1(%[ftmp2], %[addr0], 0x08)
+ "mov.d %[ftmp3], %[ftmp1] \n\t"
+ "mov.d %[ftmp4], %[ftmp2] \n\t"
+ "pmullh %[ftmp1], %[ftmp1], %[qmul] \n\t"
+ "pmullh %[ftmp2], %[ftmp2], %[qmul] \n\t"
+ "pcmpgth %[ftmp3], %[ftmp3], %[ftmp5] \n\t"
+ "pcmpgth %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
+ "xor %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
+ "xor %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
+ "paddh %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
+ "paddh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ "xor %[ftmp3], %[ftmp3], %[ftmp1] \n\t"
+ "xor %[ftmp4], %[ftmp4], %[ftmp2] \n\t"
+ "pcmpeqh %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
+ "pcmpeqh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ "pandn %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
+ "pandn %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
+ PTR_ADDIU "%[nCoeffs], %[nCoeffs], 0x10 \n\t"
+ MMI_SDC1(%[ftmp1], %[addr0], 0x00)
+ MMI_SDC1(%[ftmp2], %[addr0], 0x08)
+ "blez %[nCoeffs], 1b \n\t"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
+ [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
+ [ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
+ RESTRICT_ASM_ALL64
+ [addr0]"=&r"(addr[0])
+ : [block]"r"((mips_reg)(block+nCoeffs)),
+ [nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
+ [qmul]"f"(qmul), [qadd]"f"(qadd)
+ : "memory"
+ );
+
+ block[0] = level;
+}
+
+void ff_dct_unquantize_h263_inter_mmi(MpegEncContext *s, int16_t *block,
+ int n, int qscale)
+{
+ int64_t qmul, qadd, nCoeffs;
+ double ftmp[6];
+ mips_reg addr[1];
+ DECLARE_VAR_ALL64;
+
+ qmul = qscale << 1;
+ qadd = (qscale - 1) | 1;
+ av_assert2(s->block_last_index[n]>=0 || s->h263_aic);
+ nCoeffs = s->inter_scantable.raster_end[s->block_last_index[n]];
+
+ __asm__ volatile (
+ "packsswh %[qmul], %[qmul], %[qmul] \n\t"
+ "packsswh %[qmul], %[qmul], %[qmul] \n\t"
+ "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "packsswh %[qadd], %[qadd], %[qadd] \n\t"
+ "packsswh %[qadd], %[qadd], %[qadd] \n\t"
+ "psubh %[ftmp0], %[ftmp0], %[qadd] \n\t"
+ "xor %[ftmp5], %[ftmp5], %[ftmp5] \n\t"
+ ".p2align 4 \n\t"
+ "1: \n\t"
+ PTR_ADDU "%[addr0], %[block], %[nCoeffs] \n\t"
+ MMI_LDC1(%[ftmp1], %[addr0], 0x00)
+ MMI_LDC1(%[ftmp2], %[addr0], 0x08)
+ "mov.d %[ftmp3], %[ftmp1] \n\t"
+ "mov.d %[ftmp4], %[ftmp2] \n\t"
+ "pmullh %[ftmp1], %[ftmp1], %[qmul] \n\t"
+ "pmullh %[ftmp2], %[ftmp2], %[qmul] \n\t"
+ "pcmpgth %[ftmp3], %[ftmp3], %[ftmp5] \n\t"
+ "pcmpgth %[ftmp4], %[ftmp4], %[ftmp5] \n\t"
+ "xor %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
+ "xor %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
+ "paddh %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
+ "paddh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ "xor %[ftmp3], %[ftmp3], %[ftmp1] \n\t"
+ "xor %[ftmp4], %[ftmp4], %[ftmp2] \n\t"
+ "pcmpeqh %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
+ "pcmpeqh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ "pandn %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
+ "pandn %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
+ PTR_ADDIU "%[nCoeffs], %[nCoeffs], 0x10 \n\t"
+ MMI_SDC1(%[ftmp1], %[addr0], 0x00)
+ MMI_SDC1(%[ftmp2], %[addr0], 0x08)
+ "blez %[nCoeffs], 1b \n\t"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
+ [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
+ [ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
+ RESTRICT_ASM_ALL64
+ [addr0]"=&r"(addr[0])
+ : [block]"r"((mips_reg)(block+nCoeffs)),
+ [nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
+ [qmul]"f"(qmul), [qadd]"f"(qadd)
+ : "memory"
+ );
+}
+
+void ff_dct_unquantize_mpeg1_intra_mmi(MpegEncContext *s, int16_t *block,
+ int n, int qscale)
+{
+ int64_t nCoeffs;
+ const uint16_t *quant_matrix;
+ int block0;
+ double ftmp[10];
+ uint64_t tmp[1];
+ mips_reg addr[1];
+ DECLARE_VAR_ALL64;
+ DECLARE_VAR_ADDRT;
+
+ av_assert2(s->block_last_index[n]>=0);
+ nCoeffs = s->intra_scantable.raster_end[s->block_last_index[n]] + 1;
+
+ if (n<4)
+ block0 = block[0] * s->y_dc_scale;
+ else
+ block0 = block[0] * s->c_dc_scale;
+
+ /* XXX: only mpeg1 */
+ quant_matrix = s->intra_matrix;
+
+ __asm__ volatile (
+ "dli %[tmp0], 0x0f \n\t"
+ "pcmpeqh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "dmtc1 %[tmp0], %[ftmp4] \n\t"
+ "dmtc1 %[qscale], %[ftmp1] \n\t"
+ "psrlh %[ftmp0], %[ftmp0], %[ftmp4] \n\t"
+ "packsswh %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
+ "packsswh %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
+ "or %[addr0], %[nCoeffs], $0 \n\t"
+ ".p2align 4 \n\t"
+
+ "1: \n\t"
+ MMI_LDXC1(%[ftmp2], %[addr0], %[block], 0x00)
+ MMI_LDXC1(%[ftmp3], %[addr0], %[block], 0x08)
+ "mov.d %[ftmp4], %[ftmp2] \n\t"
+ "mov.d %[ftmp5], %[ftmp3] \n\t"
+ MMI_LDXC1(%[ftmp6], %[addr0], %[quant], 0x00)
+ MMI_LDXC1(%[ftmp7], %[addr0], %[quant], 0x08)
+ "pmullh %[ftmp6], %[ftmp6], %[ftmp1] \n\t"
+ "pmullh %[ftmp7], %[ftmp7], %[ftmp1] \n\t"
+ "xor %[ftmp8], %[ftmp8], %[ftmp8] \n\t"
+ "xor %[ftmp9], %[ftmp9], %[ftmp9] \n\t"
+ "pcmpgth %[ftmp8], %[ftmp8], %[ftmp2] \n\t"
+ "pcmpgth %[ftmp9], %[ftmp9], %[ftmp3] \n\t"
+ "xor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
+ "xor %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
+ "psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
+ "psubh %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
+ "pmullh %[ftmp2], %[ftmp2], %[ftmp6] \n\t"
+ "pmullh %[ftmp3], %[ftmp3], %[ftmp7] \n\t"
+ "xor %[ftmp6], %[ftmp6], %[ftmp6] \n\t"
+ "xor %[ftmp7], %[ftmp7], %[ftmp7] \n\t"
+ "pcmpeqh %[ftmp6], %[ftmp6], %[ftmp4] \n\t"
+ "dli %[tmp0], 0x03 \n\t"
+ "pcmpeqh %[ftmp7], %[ftmp7], %[ftmp5] \n\t"
+ "dmtc1 %[tmp0], %[ftmp4] \n\t"
+ "psrah %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
+ "psrah %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
+ "psubh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ "psubh %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
+ "or %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ "or %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
+ "xor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
+ "xor %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
+ "psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
+ "psubh %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
+ "pandn %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
+ "pandn %[ftmp7], %[ftmp7], %[ftmp3] \n\t"
+ MMI_SDXC1(%[ftmp6], %[addr0], %[block], 0x00)
+ MMI_SDXC1(%[ftmp7], %[addr0], %[block], 0x08)
+ PTR_ADDIU "%[addr0], %[addr0], 0x10 \n\t"
+ "bltz %[addr0], 1b \n\t"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
+ [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
+ [ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
+ [ftmp6]"=&f"(ftmp[6]), [ftmp7]"=&f"(ftmp[7]),
+ [ftmp8]"=&f"(ftmp[8]), [ftmp9]"=&f"(ftmp[9]),
+ [tmp0]"=&r"(tmp[0]),
+ RESTRICT_ASM_ALL64
+ RESTRICT_ASM_ADDRT
+ [addr0]"=&r"(addr[0])
+ : [block]"r"((mips_reg)(block+nCoeffs)),
+ [quant]"r"((mips_reg)(quant_matrix+nCoeffs)),
+ [nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
+ [qscale]"r"(qscale)
+ : "memory"
+ );
+
+ block[0] = block0;
+}
+
+void ff_dct_unquantize_mpeg1_inter_mmi(MpegEncContext *s, int16_t *block,
+ int n, int qscale)
+{
+ int64_t nCoeffs;
+ const uint16_t *quant_matrix;
+ double ftmp[10];
+ uint64_t tmp[1];
+ mips_reg addr[1];
+ DECLARE_VAR_ALL64;
+ DECLARE_VAR_ADDRT;
+
+ av_assert2(s->block_last_index[n] >= 0);
+ nCoeffs = s->intra_scantable.raster_end[s->block_last_index[n]] + 1;
+ quant_matrix = s->inter_matrix;
+
+ __asm__ volatile (
+ "dli %[tmp0], 0x0f \n\t"
+ "pcmpeqh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "dmtc1 %[tmp0], %[ftmp4] \n\t"
+ "dmtc1 %[qscale], %[ftmp1] \n\t"
+ "psrlh %[ftmp0], %[ftmp0], %[ftmp4] \n\t"
+ "packsswh %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
+ "packsswh %[ftmp1], %[ftmp1], %[ftmp1] \n\t"
+ "or %[addr0], %[nCoeffs], $0 \n\t"
+ ".p2align 4 \n\t"
+
+ "1: \n\t"
+ MMI_LDXC1(%[ftmp2], %[addr0], %[block], 0x00)
+ MMI_LDXC1(%[ftmp3], %[addr0], %[block], 0x08)
+ "mov.d %[ftmp4], %[ftmp2] \n\t"
+ "mov.d %[ftmp5], %[ftmp3] \n\t"
+ MMI_LDXC1(%[ftmp6], %[addr0], %[quant], 0x00)
+ MMI_LDXC1(%[ftmp7], %[addr0], %[quant], 0x08)
+ "pmullh %[ftmp6], %[ftmp6], %[ftmp1] \n\t"
+ "pmullh %[ftmp7], %[ftmp7], %[ftmp1] \n\t"
+ "xor %[ftmp8], %[ftmp8], %[ftmp8] \n\t"
+ "xor %[ftmp9], %[ftmp9], %[ftmp9] \n\t"
+ "pcmpgth %[ftmp8], %[ftmp8], %[ftmp2] \n\t"
+ "pcmpgth %[ftmp9], %[ftmp9], %[ftmp3] \n\t"
+ "xor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
+ "xor %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
+ "psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
+ "psubh %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
+ "paddh %[ftmp2], %[ftmp2], %[ftmp2] \n\t"
+ "paddh %[ftmp3], %[ftmp3], %[ftmp3] \n\t"
+ "paddh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ "paddh %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
+ "pmullh %[ftmp2], %[ftmp2], %[ftmp6] \n\t"
+ "pmullh %[ftmp3], %[ftmp3], %[ftmp7] \n\t"
+ "xor %[ftmp6], %[ftmp6], %[ftmp6] \n\t"
+ "xor %[ftmp7], %[ftmp7], %[ftmp7] \n\t"
+ "pcmpeqh %[ftmp6], %[ftmp6], %[ftmp4] \n\t"
+ "dli %[tmp0], 0x04 \n\t"
+ "pcmpeqh %[ftmp7], %[ftmp7], %[ftmp5] \n\t"
+ "dmtc1 %[tmp0], %[ftmp4] \n\t"
+ "psrah %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
+ "psrah %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
+ "psubh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ "psubh %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
+ "or %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ "or %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
+ "xor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
+ "xor %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
+ "psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
+ "psubh %[ftmp3], %[ftmp3], %[ftmp9] \n\t"
+ "pandn %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
+ "pandn %[ftmp7], %[ftmp7], %[ftmp3] \n\t"
+ MMI_SDXC1(%[ftmp6], %[addr0], %[block], 0x00)
+ MMI_SDXC1(%[ftmp7], %[addr0], %[block], 0x08)
+ PTR_ADDIU "%[addr0], %[addr0], 0x10 \n\t"
+ "bltz %[addr0], 1b \n\t"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
+ [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
+ [ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
+ [ftmp6]"=&f"(ftmp[6]), [ftmp7]"=&f"(ftmp[7]),
+ [ftmp8]"=&f"(ftmp[8]), [ftmp9]"=&f"(ftmp[9]),
+ [tmp0]"=&r"(tmp[0]),
+ RESTRICT_ASM_ALL64
+ RESTRICT_ASM_ADDRT
+ [addr0]"=&r"(addr[0])
+ : [block]"r"((mips_reg)(block+nCoeffs)),
+ [quant]"r"((mips_reg)(quant_matrix+nCoeffs)),
+ [nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
+ [qscale]"r"(qscale)
+ : "memory"
+ );
+}
+
+void ff_dct_unquantize_mpeg2_intra_mmi(MpegEncContext *s, int16_t *block,
+ int n, int qscale)
+{
+ uint64_t nCoeffs;
+ const uint16_t *quant_matrix;
+ int block0;
+ double ftmp[10];
+ uint64_t tmp[1];
+ mips_reg addr[1];
+ DECLARE_VAR_ALL64;
+ DECLARE_VAR_ADDRT;
+
+ assert(s->block_last_index[n]>=0);
+
+ if (s->alternate_scan)
+ nCoeffs = 63;
+ else
+ nCoeffs = s->intra_scantable.raster_end[s->block_last_index[n]];
+
+ if (n < 4)
+ block0 = block[0] * s->y_dc_scale;
+ else
+ block0 = block[0] * s->c_dc_scale;
+
+ quant_matrix = s->intra_matrix;
+
+ __asm__ volatile (
+ "dli %[tmp0], 0x0f \n\t"
+ "pcmpeqh %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "mtc1 %[tmp0], %[ftmp3] \n\t"
+ "mtc1 %[qscale], %[ftmp9] \n\t"
+ "psrlh %[ftmp0], %[ftmp0], %[ftmp3] \n\t"
+ "packsswh %[ftmp9], %[ftmp9], %[ftmp9] \n\t"
+ "packsswh %[ftmp9], %[ftmp9], %[ftmp9] \n\t"
+ "or %[addr0], %[nCoeffs], $0 \n\t"
+ ".p2align 4 \n\t"
+
+ "1: \n\t"
+ MMI_LDXC1(%[ftmp1], %[addr0], %[block], 0x00)
+ MMI_LDXC1(%[ftmp2], %[addr0], %[block], 0x08)
+ "mov.d %[ftmp3], %[ftmp1] \n\t"
+ "mov.d %[ftmp4], %[ftmp2] \n\t"
+ MMI_LDXC1(%[ftmp5], %[addr0], %[quant], 0x00)
+ MMI_LDXC1(%[ftmp6], %[addr0], %[quant], 0x08)
+ "pmullh %[ftmp5], %[ftmp5], %[ftmp9] \n\t"
+ "pmullh %[ftmp6], %[ftmp6], %[ftmp9] \n\t"
+ "xor %[ftmp7], %[ftmp7], %[ftmp7] \n\t"
+ "xor %[ftmp8], %[ftmp8], %[ftmp8] \n\t"
+ "pcmpgth %[ftmp7], %[ftmp7], %[ftmp1] \n\t"
+ "pcmpgth %[ftmp8], %[ftmp8], %[ftmp2] \n\t"
+ "xor %[ftmp1], %[ftmp1], %[ftmp7] \n\t"
+ "xor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
+ "psubh %[ftmp1], %[ftmp1], %[ftmp7] \n\t"
+ "psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
+ "pmullh %[ftmp1], %[ftmp1], %[ftmp5] \n\t"
+ "pmullh %[ftmp2], %[ftmp2], %[ftmp6] \n\t"
+ "xor %[ftmp5], %[ftmp5], %[ftmp5] \n\t"
+ "xor %[ftmp6], %[ftmp6], %[ftmp6] \n\t"
+ "pcmpeqh %[ftmp5], %[ftmp5], %[ftmp3] \n\t"
+ "dli %[tmp0], 0x03 \n\t"
+ "pcmpeqh %[ftmp6] , %[ftmp6], %[ftmp4] \n\t"
+ "mtc1 %[tmp0], %[ftmp3] \n\t"
+ "psrah %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
+ "psrah %[ftmp2], %[ftmp2], %[ftmp3] \n\t"
+ "xor %[ftmp1], %[ftmp1], %[ftmp7] \n\t"
+ "xor %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
+ "psubh %[ftmp1], %[ftmp1], %[ftmp7] \n\t"
+ "psubh %[ftmp2], %[ftmp2], %[ftmp8] \n\t"
+ "pandn %[ftmp5], %[ftmp5], %[ftmp1] \n\t"
+ "pandn %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
+ PTR_ADDIU "%[addr0], %[addr0], 0x10 \n\t"
+ MMI_SDXC1(%[ftmp5], %[addr0], %[block], 0x00)
+ MMI_SDXC1(%[ftmp6], %[addr0], %[block], 0x08)
+ "blez %[addr0], 1b \n\t"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
+ [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
+ [ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
+ [ftmp6]"=&f"(ftmp[6]), [ftmp7]"=&f"(ftmp[7]),
+ [ftmp8]"=&f"(ftmp[8]), [ftmp9]"=&f"(ftmp[9]),
+ [tmp0]"=&r"(tmp[0]),
+ RESTRICT_ASM_ALL64
+ RESTRICT_ASM_ADDRT
+ [addr0]"=&r"(addr[0])
+ : [block]"r"((mips_reg)(block+nCoeffs)),
+ [quant]"r"((mips_reg)(quant_matrix+nCoeffs)),
+ [nCoeffs]"r"((mips_reg)(2*(-nCoeffs))),
+ [qscale]"r"(qscale)
+ : "memory"
+ );
+
+ block[0]= block0;
+}
+
+void ff_denoise_dct_mmi(MpegEncContext *s, int16_t *block)
+{
+ const int intra = s->mb_intra;
+ int *sum = s->dct_error_sum[intra];
+ uint16_t *offset = s->dct_offset[intra];
+ double ftmp[8];
+ mips_reg addr[1];
+ DECLARE_VAR_ALL64;
+
+ s->dct_count[intra]++;
+
+ __asm__ volatile(
+ "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "1: \n\t"
+ MMI_LDC1(%[ftmp1], %[block], 0x00)
+ "xor %[ftmp2], %[ftmp2], %[ftmp2] \n\t"
+ MMI_LDC1(%[ftmp3], %[block], 0x08)
+ "xor %[ftmp4], %[ftmp4], %[ftmp4] \n\t"
+ "pcmpgth %[ftmp2], %[ftmp2], %[ftmp1] \n\t"
+ "pcmpgth %[ftmp4], %[ftmp4], %[ftmp3] \n\t"
+ "xor %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
+ "xor %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
+ "psubh %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
+ "psubh %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
+ MMI_LDC1(%[ftmp6], %[offset], 0x00)
+ "mov.d %[ftmp5], %[ftmp1] \n\t"
+ "psubush %[ftmp1], %[ftmp1], %[ftmp6] \n\t"
+ MMI_LDC1(%[ftmp6], %[offset], 0x08)
+ "mov.d %[ftmp7], %[ftmp3] \n\t"
+ "psubush %[ftmp3], %[ftmp3], %[ftmp6] \n\t"
+ "xor %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
+ "xor %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
+ "psubh %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
+ "psubh %[ftmp3], %[ftmp3], %[ftmp4] \n\t"
+ MMI_SDC1(%[ftmp1], %[block], 0x00)
+ MMI_SDC1(%[ftmp3], %[block], 0x08)
+ "mov.d %[ftmp1], %[ftmp5] \n\t"
+ "mov.d %[ftmp3], %[ftmp7] \n\t"
+ "punpcklhw %[ftmp5], %[ftmp5], %[ftmp0] \n\t"
+ "punpckhhw %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
+ "punpcklhw %[ftmp7], %[ftmp7], %[ftmp0] \n\t"
+ "punpckhhw %[ftmp3], %[ftmp3], %[ftmp0] \n\t"
+ MMI_LDC1(%[ftmp2], %[sum], 0x00)
+ "paddw %[ftmp5], %[ftmp5], %[ftmp2] \n\t"
+ MMI_LDC1(%[ftmp2], %[sum], 0x08)
+ "paddw %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
+ MMI_LDC1(%[ftmp2], %[sum], 0x10)
+ "paddw %[ftmp7], %[ftmp7], %[ftmp2] \n\t"
+ MMI_LDC1(%[ftmp2], %[sum], 0x18)
+ "paddw %[ftmp3], %[ftmp3], %[ftmp2] \n\t"
+ MMI_SDC1(%[ftmp5], %[sum], 0x00)
+ MMI_SDC1(%[ftmp1], %[sum], 0x08)
+ MMI_SDC1(%[ftmp7], %[sum], 0x10)
+ MMI_SDC1(%[ftmp3], %[sum], 0x18)
+ PTR_ADDIU "%[block], %[block], 0x10 \n\t"
+ PTR_ADDIU "%[sum], %[sum], 0x20 \n\t"
+ PTR_SUBU "%[addr0], %[block1], %[block] \n\t"
+ PTR_ADDIU "%[offset], %[offset], 0x10 \n\t"
+ "bgtz %[addr0], 1b \n\t"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
+ [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
+ [ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]),
+ [ftmp6]"=&f"(ftmp[6]), [ftmp7]"=&f"(ftmp[7]),
+ RESTRICT_ASM_ALL64
+ [addr0]"=&r"(addr[0]),
+ [block]"+&r"(block), [sum]"+&r"(sum),
+ [offset]"+&r"(offset)
+ : [block1]"r"(block+64)
+ : "memory"
+ );
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-13 14:01:32 +0000