src/opts/memset32_neon.S - Issue 1075003002: Replace NEON assembly memset16 and memset32 with intrinsic versions.

Unified Diff: src/opts/memset32_neon.S

Issue 1075003002: Replace NEON assembly memset16 and memset32 with intrinsic versions. (Closed) Base URL: https://skia.googlesource.com/skia@master

Patch Set: Created 5 years, 8 months ago

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Index: src/opts/memset32_neon.S

diff --git a/src/opts/memset32_neon.S b/src/opts/memset32_neon.S

deleted file mode 100644

index e7595adb58e193be66329c41d2f918b6d4a1ad0c..0000000000000000000000000000000000000000

--- a/src/opts/memset32_neon.S

+++ /dev/null

@@ -1,113 +0,0 @@

-/***************************************************************************

- *

- * Use of this source code is governed by a BSD-style license that can be

- * found in the LICENSE file.

- ***************************************************************************/

- .syntax unified

- .code 32

- .fpu neon

- .align 4

- .globl memset32_neon

- .hidden memset32_neon

- /* r0 = buffer, r1 = value, r2 = times to write */

-memset32_neon:

- cmp r2, #1

- streq r1, [r0], #4

- bxeq lr

- cmp r2, #4

- bgt memset32_neon_start

- cmp r2, #0

- bxeq lr

-memset32_neon_small:

- str r1, [r0], #4

- subs r2, r2, #1

- bne memset32_neon_small

- bx lr

-memset32_neon_start:

- cmp r2, #16

- blt memset32_dropthru

- vdup.32 q0, r1

- vmov q1, q0

- cmp r2, #32

- blt memset32_16

- cmp r2, #64

- blt memset32_32

- cmp r2, #128

- blt memset32_64

-memset32_128:

- movs r12, r2, lsr #7

-memset32_loop128:

- subs r12, r12, #1

- vst1.64 {q0, q1}, [r0]!

- bne memset32_loop128

- ands r2, r2, #0x7f

- bxeq lr

-memset32_64:

- movs r12, r2, lsr #6

- beq memset32_32

- vst1.64 {q0, q1}, [r0]!

- ands r2, r2, #0x3f

- bxeq lr

-memset32_32:

- movs r12, r2, lsr #5

- beq memset32_16

- vst1.64 {q0, q1}, [r0]!

- ands r2, r2, #0x1f

- bxeq lr

-memset32_16:

- movs r12, r2, lsr #4

- beq memset32_dropthru

- and r2, r2, #0xf

- vst1.64 {q0, q1}, [r0]!

-memset32_dropthru:

- rsb r2, r2, #15

- add pc, pc, r2, lsl #2

- nop

- str r1, [r0, #56]

- str r1, [r0, #52]

- str r1, [r0, #48]

- str r1, [r0, #44]

- str r1, [r0, #40]

- str r1, [r0, #36]

- str r1, [r0, #32]

- str r1, [r0, #28]

- str r1, [r0, #24]

- str r1, [r0, #20]

- str r1, [r0, #16]

- str r1, [r0, #12]

- str r1, [r0, #8]

- str r1, [r0, #4]

- str r1, [r0, #0]

- bx lr

- .end

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