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armv8: Remove unnecessary register shuffling

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Change-Id: I48f79644a7c31dd82c1c531fb534b9e1c8a0d729
This commit is contained in:
Martin Storsjo 2016-10-05 11:28:50 +03:00
parent e5b0a782fa
commit f1c718c267
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 push_v_regs
stp x19, x20, [sp, #-16]! stp x19, x20, [sp, #-16]!
sxtw x1, w1 sxtw x1, w1
mov x8, x7 ldr x8, [sp, #80]
mov w7, w6
ldr x9, [sp, #80]
sub x0, x0, x1, lsl #1 //x0 = uc_edgePixelU pointing to p1 of chroma U sub x0, x0, x1, lsl #1 //x0 = uc_edgePixelU pointing to p1 of chroma U
rev w7, w7 // rev w6, w6 //
mov v12.s[0], w7 //D12[0] = ui_Bs mov v12.s[0], w6 //D12[0] = ui_Bs
ld1 {v16.s}[0], [x8] //D16[0] contains cliptab_cb ld1 {v16.s}[0], [x7] //D16[0] contains cliptab_cb
ld1 {v17.s}[0], [x9] //D17[0] contains cliptab_cr ld1 {v17.s}[0], [x8] //D17[0] contains cliptab_cr
ld2 {v6.8b, v7.8b}, [x0], x1 //Q3=p1 ld2 {v6.8b, v7.8b}, [x0], x1 //Q3=p1
tbl v14.8b, {v16.16b}, v12.8b //Retreiving cliptab values for U tbl v14.8b, {v16.16b}, v12.8b //Retreiving cliptab values for U
tbl v28.8b, {v17.16b}, v12.8b //Retrieving cliptab values for V tbl v28.8b, {v17.16b}, v12.8b //Retrieving cliptab values for V