gfx/skia/trunk/src/opts/memset32_neon.S@129ffea94266 (annotated)
gfx/skia/trunk/src/opts/memset32_neon.S
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
| michael@0 | 1 | /*************************************************************************** |
| michael@0 | 2 | * Copyright (c) 2009,2010, Code Aurora Forum. All rights reserved. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | ***************************************************************************/ |
| michael@0 | 7 | |
| michael@0 | 8 | .code 32 |
| michael@0 | 9 | .fpu neon |
| michael@0 | 10 | .align 4 |
| michael@0 | 11 | .globl memset32_neon |
| michael@0 | 12 | .func |
| michael@0 | 13 | |
| michael@0 | 14 | /* r0 = buffer, r1 = value, r2 = times to write */ |
| michael@0 | 15 | memset32_neon: |
| michael@0 | 16 | cmp r2, #1 |
| michael@0 | 17 | streq r1, [r0], #4 |
| michael@0 | 18 | bxeq lr |
| michael@0 | 19 | |
| michael@0 | 20 | cmp r2, #4 |
| michael@0 | 21 | bgt memset32_neon_start |
| michael@0 | 22 | cmp r2, #0 |
| michael@0 | 23 | bxeq lr |
| michael@0 | 24 | memset32_neon_small: |
| michael@0 | 25 | str r1, [r0], #4 |
| michael@0 | 26 | subs r2, r2, #1 |
| michael@0 | 27 | bne memset32_neon_small |
| michael@0 | 28 | bx lr |
| michael@0 | 29 | memset32_neon_start: |
| michael@0 | 30 | cmp r2, #16 |
| michael@0 | 31 | blt memset32_dropthru |
| michael@0 | 32 | vdup.32 q0, r1 |
| michael@0 | 33 | vmov q1, q0 |
| michael@0 | 34 | cmp r2, #32 |
| michael@0 | 35 | blt memset32_16 |
| michael@0 | 36 | cmp r2, #64 |
| michael@0 | 37 | blt memset32_32 |
| michael@0 | 38 | cmp r2, #128 |
| michael@0 | 39 | blt memset32_64 |
| michael@0 | 40 | memset32_128: |
| michael@0 | 41 | movs r12, r2, lsr #7 |
| michael@0 | 42 | memset32_loop128: |
| michael@0 | 43 | subs r12, r12, #1 |
| michael@0 | 44 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 45 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 46 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 47 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 48 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 49 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 50 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 51 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 52 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 53 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 54 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 55 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 56 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 57 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 58 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 59 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 60 | bne memset32_loop128 |
| michael@0 | 61 | ands r2, r2, #0x7f |
| michael@0 | 62 | bxeq lr |
| michael@0 | 63 | memset32_64: |
| michael@0 | 64 | movs r12, r2, lsr #6 |
| michael@0 | 65 | beq memset32_32 |
| michael@0 | 66 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 67 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 68 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 69 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 70 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 71 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 72 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 73 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 74 | ands r2, r2, #0x3f |
| michael@0 | 75 | bxeq lr |
| michael@0 | 76 | memset32_32: |
| michael@0 | 77 | movs r12, r2, lsr #5 |
| michael@0 | 78 | beq memset32_16 |
| michael@0 | 79 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 80 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 81 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 82 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 83 | ands r2, r2, #0x1f |
| michael@0 | 84 | bxeq lr |
| michael@0 | 85 | memset32_16: |
| michael@0 | 86 | movs r12, r2, lsr #4 |
| michael@0 | 87 | beq memset32_dropthru |
| michael@0 | 88 | and r2, r2, #0xf |
| michael@0 | 89 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 90 | vst1.64 {q0, q1}, [r0]! |
| michael@0 | 91 | memset32_dropthru: |
| michael@0 | 92 | rsb r2, r2, #15 |
| michael@0 | 93 | add pc, pc, r2, lsl #2 |
| michael@0 | 94 | nop |
| michael@0 | 95 | str r1, [r0, #56] |
| michael@0 | 96 | str r1, [r0, #52] |
| michael@0 | 97 | str r1, [r0, #48] |
| michael@0 | 98 | str r1, [r0, #44] |
| michael@0 | 99 | str r1, [r0, #40] |
| michael@0 | 100 | str r1, [r0, #36] |
| michael@0 | 101 | str r1, [r0, #32] |
| michael@0 | 102 | str r1, [r0, #28] |
| michael@0 | 103 | str r1, [r0, #24] |
| michael@0 | 104 | str r1, [r0, #20] |
| michael@0 | 105 | str r1, [r0, #16] |
| michael@0 | 106 | str r1, [r0, #12] |
| michael@0 | 107 | str r1, [r0, #8] |
| michael@0 | 108 | str r1, [r0, #4] |
| michael@0 | 109 | str r1, [r0, #0] |
| michael@0 | 110 | bx lr |
| michael@0 | 111 | |
| michael@0 | 112 | .endfunc |
| michael@0 | 113 | .end |
