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armv8: Remove unnecessary register shuffling

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am: f1c718c267

Change-Id: I43a718f08a820689f58fee13a9fe3549615b555a
This commit is contained in:
Martin Storsjo 2016-10-14 23:53:02 +00:00 • committed by android-build-merger
commit 5b4af7824f
1 changed files with 5 additions and 7 deletions
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12
common/armv8/ih264_deblk_chroma_av8.s
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@ -335,14 +335,12 @@ ih264_deblk_chroma_horz_bslt4_av8:
push_v_regs
stp x19, x20, [sp, #-16]!
sxtw x1, w1
mov x8, x7
mov w7, w6
ldr x9, [sp, #80]
ldr x8, [sp, #80]
sub x0, x0, x1, lsl #1 //x0 = uc_edgePixelU pointing to p1 of chroma U
rev w7, w7 //
mov v12.s[0], w7 //D12[0] = ui_Bs
ld1 {v16.s}[0], [x8] //D16[0] contains cliptab_cb
ld1 {v17.s}[0], [x9] //D17[0] contains cliptab_cr
rev w6, w6 //
mov v12.s[0], w6 //D12[0] = ui_Bs
ld1 {v16.s}[0], [x7] //D16[0] contains cliptab_cb
ld1 {v17.s}[0], [x8] //D17[0] contains cliptab_cr
ld2 {v6.8b, v7.8b}, [x0], x1 //Q3=p1
tbl v14.8b, {v16.16b}, v12.8b //Retreiving cliptab values for U
tbl v28.8b, {v17.16b}, v12.8b //Retrieving cliptab values for V