[x265] [PATCH] asm: pixel_sse_ss_24x32 assembly routine

[yuvaraj at multicorewareinc.com]

# HG changeset patch
# User Yuvaraj Venkatesh <yuvaraj at multicorewareinc.com>
# Date 1385547955 -19800
#      Wed Nov 27 15:55:55 2013 +0530
# Branch stable
# Node ID b1a69974195dc15330abf3c54e5fa7686ddba811
# Parent  417f794274e5692851b558eaa609e6fbdac1d50f
asm: pixel_sse_ss_24x32 assembly routine

diff -r 417f794274e5 -r b1a69974195d source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp	Wed Nov 27 01:49:09 2013 -0600
+++ b/source/common/x86/asm-primitives.cpp	Wed Nov 27 15:55:55 2013 +0530
@@ -104,6 +104,7 @@
     p.sse_ss[LUMA_16x16]   = x265_pixel_ssd_ss_16x16_ ## cpu; \
     p.sse_ss[LUMA_16x32]   = x265_pixel_ssd_ss_16x32_ ## cpu; \
     p.sse_ss[LUMA_16x64]   = x265_pixel_ssd_ss_16x64_ ## cpu; \
+    p.sse_ss[LUMA_24x32]   = x265_pixel_ssd_ss_24x32_ ## cpu; \
     p.sse_ss[LUMA_32x8]   = x265_pixel_ssd_ss_32x8_ ## cpu; \
     p.sse_ss[LUMA_32x16]   = x265_pixel_ssd_ss_32x16_ ## cpu; \
     p.sse_ss[LUMA_32x24]   = x265_pixel_ssd_ss_32x24_ ## cpu; \
diff -r 417f794274e5 -r b1a69974195d source/common/x86/pixel-a.asm
--- a/source/common/x86/pixel-a.asm	Wed Nov 27 01:49:09 2013 -0600
+++ b/source/common/x86/pixel-a.asm	Wed Nov 27 15:55:55 2013 +0530
@@ -469,17 +469,69 @@
 SSD_SS_32 64
 %endmacro
 
+%macro SSD_SS_24 0
+cglobal pixel_ssd_ss_24x32, 4,7,6
+    FIX_STRIDES r1, r3
+    mov    r4d, 16
+    pxor    m0, m0
+.loop
+    movu    m1, [r0]
+    movu    m2, [r2]
+    psubw   m1, m2
+    pmaddwd m1, m1
+    paddd   m0, m1
+    movu    m1, [r0 + 16]
+    movu    m2, [r2 + 16]
+    psubw   m1, m2
+    pmaddwd m1, m1
+    paddd   m0, m1
+    movu    m1, [r0 + 32]
+    movu    m2, [r2 + 32]
+    psubw   m1, m2
+    pmaddwd m1, m1
+    paddd   m0, m1
+    lea       r0, [r0 + 2*r1]
+    lea       r2, [r2 + 2*r3]
+    movu    m1, [r0]
+    movu    m2, [r2]
+    psubw   m1, m2
+    pmaddwd m1, m1
+    paddd   m0, m1
+    movu    m1, [r0 + 16]
+    movu    m2, [r2 + 16]
+    psubw   m1, m2
+    pmaddwd m1, m1
+    paddd   m0, m1
+    movu    m1, [r0 + 32]
+    movu    m2, [r2 + 32]
+    psubw   m1, m2
+    pmaddwd m1, m1
+    paddd   m0, m1
+    lea       r0, [r0 + 2*r1]
+    lea       r2, [r2 + 2*r3]
+    dec      r4d
+    jnz .loop
+    phaddd    m0, m0
+    phaddd    m0, m0
+    movd     eax, m0
+    RET
+%endmacro
+
+
 INIT_XMM sse2
 SSD_SS_ONE
 SSD_SS_12x16
+SSD_SS_24
 SSD_SS_32xN
 INIT_XMM sse4
 SSD_SS_ONE
 SSD_SS_12x16
+SSD_SS_24
 SSD_SS_32xN
 INIT_XMM avx
 SSD_SS_ONE
 SSD_SS_12x16
+SSD_SS_24
 SSD_SS_32xN
 %endif ; !HIGH_BIT_DEPTH