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author | Johann <johannkoenig@google.com> | 2013-08-15 14:55:08 -0700 |
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committer | Gerrit Code Review <gerrit@gerrit.golo.chromium.org> | 2013-08-15 14:55:08 -0700 |
commit | 63e140eaa714f2427eb99296aa551a79d078eac7 (patch) | |
tree | 13f0efb3bfb525abef9d2ae5d3ab1e6ad5cb0ae3 /vp9/common/arm | |
parent | c2ff1882ffe8cbb8499b55bea4e59e0facda0ba7 (diff) | |
parent | 635ba269be143743f3513a3dc16db39d71b1945a (diff) | |
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Merge "vp9: neon: add vp9_convolve_copy_neon"
Diffstat (limited to 'vp9/common/arm')
-rw-r--r-- | vp9/common/arm/neon/vp9_copy_neon.asm | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/vp9/common/arm/neon/vp9_copy_neon.asm b/vp9/common/arm/neon/vp9_copy_neon.asm new file mode 100644 index 000000000..a0bd04a35 --- /dev/null +++ b/vp9/common/arm/neon/vp9_copy_neon.asm @@ -0,0 +1,84 @@ +; +; Copyright (c) 2013 The WebM project authors. All Rights Reserved. +; +; Use of this source code is governed by a BSD-style license +; that can be found in the LICENSE file in the root of the source +; tree. An additional intellectual property rights grant can be found +; in the file PATENTS. All contributing project authors may +; be found in the AUTHORS file in the root of the source tree. +; + + EXPORT |vp9_convolve_copy_neon| + ARM + REQUIRE8 + PRESERVE8 + + AREA ||.text||, CODE, READONLY, ALIGN=2 + +|vp9_convolve_copy_neon| PROC + push {r4-r5, lr} + ldrd r4, r5, [sp, #28] + + cmp r4, #32 + bgt copy64 + beq copy32 + cmp r4, #8 + bgt copy16 + beq copy8 + b copy4 + +copy64 + sub lr, r1, #32 + sub r3, r3, #32 +copy64_h + pld [r0, r1, lsl #1] + vld1.8 {q0-q1}, [r0]! + vld1.8 {q2-q3}, [r0], lr + vst1.8 {q0-q1}, [r2@128]! + vst1.8 {q2-q3}, [r2@128], r3 + subs r5, r5, #1 + bgt copy64_h + pop {r4-r5, pc} + +copy32 + pld [r0, r1, lsl #1] + vld1.8 {q0-q1}, [r0], r1 + pld [r0, r1, lsl #1] + vld1.8 {q2-q3}, [r0], r1 + vst1.8 {q0-q1}, [r2@128], r3 + vst1.8 {q2-q3}, [r2@128], r3 + subs r5, r5, #2 + bgt copy32 + pop {r4-r5, pc} + +copy16 + pld [r0, r1, lsl #1] + vld1.8 {q0}, [r0], r1 + pld [r0, r1, lsl #1] + vld1.8 {q1}, [r0], r1 + vst1.8 {q0}, [r2@128], r3 + vst1.8 {q1}, [r2@128], r3 + subs r5, r5, #2 + bgt copy16 + pop {r4-r5, pc} + +copy8 + pld [r0, r1, lsl #1] + vld1.8 {d0}, [r0], r1 + pld [r0, r1, lsl #1] + vld1.8 {d2}, [r0], r1 + vst1.8 {d0}, [r2@64], r3 + vst1.8 {d2}, [r2@64], r3 + subs r5, r5, #2 + bgt copy8 + pop {r4-r5, pc} + +copy4 + ldr r12, [r0], r1 + str r12, [r2], r3 + subs r5, r5, #1 + bgt copy4 + pop {r4-r5, pc} + ENDP + + END |