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Commit ad4d1c43 authored by Martin Storsjö's avatar Martin Storsjö Committed by Janne Grunau
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arm64: looprestoration: Optimize loop termination checks in copy_narrow_neon

parent 8a52189f
Pipeline #4298 passed with stages
        in 6 minutes and 41 seconds
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        Showing with 5 additions and 6 deletions
        src/arm/64/looprestoration.S
        View file @ ad4d1c43
        ......@@ -498,9 +498,8 @@ function copy_narrow_neon, export=1
        add x7, x0, x1
        lsl x1, x1, #1
        18:
        cmp w4, #8
        b.lt 110f
        subs w4, w4, #8
        b.lt 110f
        ld1 {v0.8b}, [x2], #8
        st1 {v0.b}[0], [x0], x1
        st1 {v0.b}[1], [x7], x1
        ......@@ -513,6 +512,7 @@ function copy_narrow_neon, export=1
        b.le 0f
        b 18b
        110:
        add w4, w4, #8
        asr x1, x1, #1
        11:
        subs w4, w4, #1
        ......@@ -526,9 +526,8 @@ function copy_narrow_neon, export=1
        add x7, x0, x1
        lsl x1, x1, #1
        24:
        cmp w4, #4
        b.lt 210f
        subs w4, w4, #4
        b.lt 210f
        ld1 {v0.4h}, [x2], #8
        st1 {v0.h}[0], [x0], x1
        st1 {v0.h}[1], [x7], x1
        ......@@ -537,6 +536,7 @@ function copy_narrow_neon, export=1
        b.le 0f
        b 24b
        210:
        add w4, w4, #4
        asr x1, x1, #1
        22:
        subs w4, w4, #1
        ......@@ -561,9 +561,8 @@ function copy_narrow_neon, export=1
        add x7, x0, x1
        lsl x1, x1, #1
        42:
        cmp w4, #2
        b.lt 41f
        subs w4, w4, #2
        b.lt 41f
        ld1 {v0.2s}, [x2], #8
        st1 {v0.s}[0], [x0], x1
        st1 {v0.s}[1], [x7], x1
        ......
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