[x265] [PATCH] asm: luma_vpp[8x8] in avx2: improve 701c->491c

divya at multicorewareinc.com divya at multicorewareinc.com
Thu Nov 13 12:35:53 CET 2014


# HG changeset patch
# User Divya Manivannan
# Date 1415878496 -19800
#      Thu Nov 13 17:04:56 2014 +0530
# Node ID 5f5dabe29fee0df8cf39c7c00255005885ccd77e
# Parent  18aefbde72ab2dfaa0d4edeea7fd0ab4f9a09f9c
asm: luma_vpp[8x8] in avx2: improve 701c->491c

diff -r 18aefbde72ab -r 5f5dabe29fee source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp	Wed Nov 12 17:17:56 2014 -0600
+++ b/source/common/x86/asm-primitives.cpp	Thu Nov 13 17:04:56 2014 +0530
@@ -1800,6 +1800,7 @@
 #endif
         p.luma_hpp[LUMA_4x4] = x265_interp_8tap_horiz_pp_4x4_avx2;
         p.luma_vpp[LUMA_4x4] = x265_interp_8tap_vert_pp_4x4_avx2;
+        p.luma_vpp[LUMA_8x8] = x265_interp_8tap_vert_pp_8x8_avx2;
     }
 #endif // if HIGH_BIT_DEPTH
 }
diff -r 18aefbde72ab -r 5f5dabe29fee source/common/x86/ipfilter8.asm
--- a/source/common/x86/ipfilter8.asm	Wed Nov 12 17:17:56 2014 -0600
+++ b/source/common/x86/ipfilter8.asm	Thu Nov 13 17:04:56 2014 +0530
@@ -3601,6 +3601,92 @@
     RET
 %endmacro
 
+INIT_YMM avx2
+%if ARCH_X86_64 == 1
+cglobal interp_8tap_vert_pp_8x8, 4,7,11
+    mov             r4d, r4m
+    shl             r4d, 6
+
+%ifdef PIC
+    lea             r5, [tab_LumaCoeffVer]
+    lea             r5, [r5 + r4]
+    vbroadcasti128  m0, [r5]
+    vbroadcasti128  m7, [r5 + 16]
+    vbroadcasti128  m8, [r5 + 32]
+    vbroadcasti128  m9, [r5 + 48]
+%else
+    lea             r5, [tab_LumaCoeffVer + r4]
+    vbroadcasti128  m0, [r5]
+    vbroadcasti128  m7, [r5 + 16]
+    vbroadcasti128  m8, [r5 + 32]
+    vbroadcasti128  m9, [r5 + 48]
+%endif
+
+    lea             r5, [r1 * 3]
+    sub             r0, r5
+    mov             r4d, 2
+
+.loop
+    movq            xm1, [r0]                       ; m1 = row 0
+    movq            xm2, [r0 + r1]                  ; m2 = row 1
+    punpcklbw       xm1, xm2                        ; m1 = [17 07 16 06 15 05 14 04 13 03 12 02 11 01 10 00]
+    movq            xm3, [r0 + r1 * 2]              ; m3 = row 2
+    punpcklbw       xm2, xm3                        ; m2 = [27 17 26 16 25 15 24 14 23 13 22 12 21 11 20 10]
+    vinserti128     m5, m1, xm2, 1                  ; m5 = [27 17 26 16 25 15 24 14 23 13 22 12 21 11 20 10] - [17 07 16 06 15 05 14 04 13 03 12 02 11 01 10 00]
+    movq            xm4, [r0 + r5]                  ; m4 = row 3
+    punpcklbw       xm3, xm4                        ; m3 = [37 27 36 26 35 25 34 24 33 23 32 22 31 21 30 20]
+    lea             r6, [r0 + r1 * 4]
+    movq            xm1, [r6]                       ; m1 = row 4
+    punpcklbw       xm4, xm1                        ; m4 = [47 37 46 36 45 35 44 34 43 33 42 32 41 31 40 30]
+    vinserti128     m6, m3, xm4, 1                  ; m6 = [47 37 46 36 45 35 44 34 43 33 42 32 41 31 40 30] - [37 27 36 26 35 25 34 24 33 23 32 22 31 21 30 20]
+    movq            xm2, [r6 + r1]                  ; m2 = row 5
+    punpcklbw       xm1, xm2                        ; m1 = [57 47 56 46 55 45 54 44 53 43 52 42 51 41 50 40]
+    movq            xm4, [r6 + r1 * 2]              ; m7 = row 6
+    punpcklbw       xm2, xm4                        ; m2 = [67 57 66 56 65 55 64 54 63 53 62 52 61 51 60 50]
+    vinserti128     m1, m1, xm2, 1                  ; m1 = [67 57 66 56 65 55 64 54 63 53 62 52 61 51 60 50] - [57 47 56 46 55 45 54 44 53 43 52 42 51 41 50 40]
+    movq            xm3, [r6 + r5]                  ; m3 = row 7
+    punpcklbw       xm4, xm3                        ; m4 = [77 67 76 66 75 65 74 64 73 63 72 62 71 61 70 60]
+    lea             r6, [r6 + r1 * 4]
+    movq            xm2, [r6]                       ; m7 = row 8
+    punpcklbw       xm3, xm2                        ; m3 = [87 77 86 76 85 75 84 74 83 73 82 72 81 71 80 70]
+    vinserti128     m4, m4, xm3, 1                  ; m4 = [87 77 86 76 85 75 84 74 83 73 82 72 81 71 80 70] - [77 67 76 66 75 65 74 64 73 63 72 62 71 61 70 60]
+    movq            xm3, [r6 + r1]                  ; m3 = row 9
+    punpcklbw       xm2, xm3                        ; m2 = [97 87 96 86 95 85 94 84 93 83 92 82 91 81 90 80]
+    movq            xm10, [r6 + r1 * 2]             ; m10 = row 10
+    punpcklbw       xm3, xm10                       ; m3 = [A7 97 A6 96 A5 95 A4 94 A3 93 A2 92 A1 91 A0 90]
+    vinserti128     m2, m2, xm3, 1                  ; m2 = [A7 97 A6 96 A5 95 A4 94 A3 93 A2 92 A1 91 A0 90] - [97 87 96 86 95 85 94 84 93 83 92 82 91 81 90 80]
+
+    pmaddubsw       m5, m0
+    pmaddubsw       m3, m6, m7
+    paddw           m5, m3
+    pmaddubsw       m6, m0
+    pmaddubsw       m3, m1, m8
+    pmaddubsw       m1, m7
+    paddw           m6, m1
+    pmaddubsw       m1, m4, m9
+    paddw           m3, m1
+    paddw           m5, m3
+    pmaddubsw       m4, m8
+    pmaddubsw       m2, m9
+    paddw           m4, m2
+    paddw           m6, m4
+    pmulhrsw        m5, [pw_512]                    ; m5 = word: row 0, row 1
+    pmulhrsw        m6, [pw_512]                    ; m6 = word: row 2, row 3
+    packuswb        m5, m6
+    vextracti128    xm6, m5, 1
+    movq            [r2], xm5
+    movq            [r2 + r3], xm6
+    lea             r2, [r2 + r3 * 2]
+    movhps          [r2], xm5
+    movhps          [r2 + r3], xm6
+
+    lea             r2, [r2 + r3 * 2]
+    lea             r0, [r0 + r1 * 4]
+    dec             r4d
+    jnz             .loop
+    RET
+%endif
+
 ;-------------------------------------------------------------------------------------------------------------
 ; void interp_8tap_vert_pp_8x4(pixel *src, intptr_t srcStride, pixel *dst, intptr_t dstStride, int coeffIdx)
 ;-------------------------------------------------------------------------------------------------------------


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