diff options
Diffstat (limited to 'chromium/third_party/dav1d/libdav1d/src/arm/64/loopfilter16.S')
| -rw-r--r-- | chromium/third_party/dav1d/libdav1d/src/arm/64/loopfilter16.S | 39 |
1 files changed, 29 insertions, 10 deletions
diff --git a/chromium/third_party/dav1d/libdav1d/src/arm/64/loopfilter16.S b/chromium/third_party/dav1d/libdav1d/src/arm/64/loopfilter16.S index aab0230c44b..d181a3e6239 100644 --- a/chromium/third_party/dav1d/libdav1d/src/arm/64/loopfilter16.S +++ b/chromium/third_party/dav1d/libdav1d/src/arm/64/loopfilter16.S @@ -28,6 +28,11 @@ #include "src/arm/asm.S" #include "util.S" +// depending on how many pixels need to be stored, returns: +// x14 = (1 << 0) : 0 pixels +// x14 = (1 << 4) : inner 4 pixels +// x14 = (1 << 6) : inner 6 pixels +// x14 = 0 : all pixels .macro loop_filter wd function lpf_8_wd\wd\()_neon uabd v0.8h, v22.8h, v23.8h // abs(p1 - p0) @@ -77,8 +82,10 @@ function lpf_8_wd\wd\()_neon mov x16, v1.d[0] mov x17, v1.d[1] adds x16, x16, x17 - b.eq 9f // if (!fm || wd < 4) return; - + b.ne 9f // if (!fm || wd < 4) return; + mov x14, #(1 << 0) + ret +9: .if \wd >= 6 movi v10.8h, #1 uabd v2.8h, v21.8h, v23.8h // abs(p2 - p0) @@ -360,20 +367,20 @@ function lpf_8_wd\wd\()_neon bif v11.16b, v29.16b, v15.16b // out q5 .endif + mov x14, #0 ret .if \wd == 16 7: // Return to a shorter epilogue, writing only the inner 6 pixels - ret x13 + mov x14, #(1 << 6) + ret .endif .if \wd >= 8 8: // Return to a shorter epilogue, writing only the inner 4 pixels - ret x14 + mov x14, #(1 << 4) + ret .endif -9: - // Return directly without writing back any pixels - ret x15 endfunc .endm @@ -383,22 +390,34 @@ loop_filter 6 loop_filter 4 .macro lpf_8_wd16 - adr x13, 7f - adr x14, 8f bl lpf_8_wd16_neon + cbz x14, 1f + tbnz x14, #6, 7f + tbnz x14, #4, 8f + ret x15 +1: .endm .macro lpf_8_wd8 - adr x14, 8f bl lpf_8_wd8_neon + cbz x14, 1f + tbnz x14, #4, 8f + ret x15 +1: .endm .macro lpf_8_wd6 bl lpf_8_wd6_neon + cbz x14, 1f + ret x15 +1: .endm .macro lpf_8_wd4 bl lpf_8_wd4_neon + cbz x14, 1f + ret x15 +1: .endm function lpf_v_4_8_neon |