[x265] [PATCH 105 of 307] x86: AVX512 interp_4tap_horiz_pp_48x64 for high bit depth

[mythreyi at multicorewareinc.com]

# HG changeset patch
# User Vignesh Vijayakumar
# Date 1504169664 -19800
#      Thu Aug 31 14:24:24 2017 +0530
# Node ID 9928b3e5b4d4235bea9ffb22434446e68c3aacdb
# Parent  052b8b5061d84b791489c01e114a0441f96e4ec2
x86: AVX512 interp_4tap_horiz_pp_48x64 for high bit depth

AVX2 performance   : 9.46x
AVX512 performance : 18.97x

diff -r 052b8b5061d8 -r 9928b3e5b4d4 source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp	Thu Aug 31 13:03:39 2017 +0530
+++ b/source/common/x86/asm-primitives.cpp	Thu Aug 31 14:24:24 2017 +0530
@@ -2389,6 +2389,7 @@
         p.chroma[X265_CSP_I444].pu[LUMA_64x32].filter_hpp = PFX(interp_4tap_horiz_pp_64x32_avx512);
         p.chroma[X265_CSP_I444].pu[LUMA_64x48].filter_hpp = PFX(interp_4tap_horiz_pp_64x48_avx512);
         p.chroma[X265_CSP_I444].pu[LUMA_64x64].filter_hpp = PFX(interp_4tap_horiz_pp_64x64_avx512);
+        p.chroma[X265_CSP_I444].pu[LUMA_48x64].filter_hpp = PFX(interp_4tap_horiz_pp_48x64_avx512);
 
     }
 }
diff -r 052b8b5061d8 -r 9928b3e5b4d4 source/common/x86/ipfilter16.asm
--- a/source/common/x86/ipfilter16.asm	Thu Aug 31 13:03:39 2017 +0530
+++ b/source/common/x86/ipfilter16.asm	Thu Aug 31 14:24:24 2017 +0530
@@ -5175,6 +5175,90 @@
     movu            [r2 + r3], m7
 %endmacro
 
+%macro PROCESS_IPFILTER_CHROMA_PP_48x2_AVX512 0
+    ; register map
+    ; m0 , m1 interpolate coeff
+    ; m2 , m3  shuffle order table
+    ; m4 - pd_32
+    ; m5 - zero
+    ; m6 - pw_pixel_max
+
+    movu            m7,        [r0]
+    movu            m8,        [r0 + 8]
+
+    pshufb          m9,        m7,        m3
+    pshufb          m7,        m2
+    pmaddwd         m7,        m0
+    pmaddwd         m9,        m1
+    paddd           m7,        m9
+    paddd           m7,        m4
+    psrad           m7,        6
+
+    pshufb          m9,        m8,        m3
+    pshufb          m8,        m2
+    pmaddwd         m8,        m0
+    pmaddwd         m9,        m1
+    paddd           m8,        m9
+    paddd           m8,        m4
+    psrad           m8,        6
+
+    packusdw        m7,        m8
+    CLIPW           m7,        m5,        m6
+    pshufb          m7,        m10
+    movu            [r2],      m7
+
+    movu            m7,        [r0 + r1]
+    movu            m8,        [r0 + r1 + 8]
+
+    pshufb          m9,        m7,        m3
+    pshufb          m7,        m2
+    pmaddwd         m7,        m0
+    pmaddwd         m9,        m1
+    paddd           m7,        m9
+    paddd           m7,        m4
+    psrad           m7,        6
+
+    pshufb          m9,        m8,        m3
+    pshufb          m8,        m2
+    pmaddwd         m8,        m0
+    pmaddwd         m9,        m1
+    paddd           m8,        m9
+    paddd           m8,        m4
+    psrad           m8,        6
+
+    packusdw        m7,        m8
+    CLIPW           m7,        m5,        m6
+    pshufb          m7,        m10
+    movu            [r2 + r3], m7
+
+    movu            ym7,       [r0 + mmsize]
+    vinserti32x8    m7,        [r0 + r1 + mmsize],     1
+    movu            ym8,       [r0 + mmsize + 8]
+    vinserti32x8    m8,        [r0 + r1 + mmsize + 8],  1
+
+    pshufb          m9,        m7,        m3
+    pshufb          m7,        m2
+    pmaddwd         m7,        m0
+    pmaddwd         m9,        m1
+    paddd           m7,        m9
+    paddd           m7,        m4
+    psrad           m7,        6
+
+    pshufb          m9,        m8,        m3
+    pshufb          m8,        m2
+    pmaddwd         m8,        m0
+    pmaddwd         m9,        m1
+    paddd           m8,        m9
+    paddd           m8,        m4
+    psrad           m8,        6
+
+    packusdw        m7,        m8
+    CLIPW           m7,        m5,        m6
+    pshufb          m7,        m10
+    movu            [r2 + mmsize],      ym7
+    vextracti32x8   [r2 + r3 + mmsize], m7,        1
+%endmacro
+
 %macro PROCESS_IPFILTER_CHROMA_PP_64x2_AVX512 0
     ; register map
     ; m0 , m1 interpolate coeff
@@ -5394,6 +5478,35 @@
 IPFILTER_CHROMA_AVX512_64xN 32
 IPFILTER_CHROMA_AVX512_64xN 48
 IPFILTER_CHROMA_AVX512_64xN 64
+
+INIT_ZMM avx512
+cglobal interp_4tap_horiz_pp_48x64, 5,6,11
+    add             r1d, r1d
+    add             r3d, r3d
+    sub             r0, 2
+    mov             r4d, r4m
+%ifdef PIC
+    lea             r5, [tab_ChromaCoeff]
+    vpbroadcastd    m0, [r5 + r4 * 8]
+    vpbroadcastd    m1, [r5 + r4 * 8 + 4]
+%else
+    vpbroadcastd    m0, [tab_ChromaCoeff + r4 * 8]
+    vpbroadcastd    m1, [tab_ChromaCoeff + r4 * 8 + 4]
+%endif
+    vbroadcasti32x8 m2, [interp8_hpp_shuf1_load_avx512]
+    vbroadcasti32x8 m3, [interp8_hpp_shuf2_load_avx512]
+    vbroadcasti32x8 m4, [pd_32]
+    pxor            m5, m5
+    vbroadcasti32x8 m6, [pw_pixel_max]
+    vbroadcasti32x8 m10, [interp8_hpp_shuf1_store_avx512]
+
+%rep 31
+    PROCESS_IPFILTER_CHROMA_PP_48x2_AVX512
+    lea             r0, [r0 + 2 * r1]
+    lea             r2, [r2 + 2 * r3]
+%endrep
+    PROCESS_IPFILTER_CHROMA_PP_48x2_AVX512
+    RET
 ;-------------------------------------------------------------------------------------------------------------
 ;ipfilter_chroma_avx512 code end
 ;-------------------------------------------------------------------------------------------------------------
\ No newline at end of file