From 199f36ec4a30dfc5a736a2d0c6e0840d83f7e9e7 Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Mon, 30 May 2016 03:24:11 +0300
Subject: [PATCH] tune the preloads a bit
---
src/video/SDL_blit_A.c | 1 +
src/video/SDL_blit_neon.S | 8 ++++----
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/src/video/SDL_blit_A.c b/src/video/SDL_blit_A.c
index b013ed3..504451b 100644
--- a/src/video/SDL_blit_A.c
+++ b/src/video/SDL_blit_A.c
@@ -77,6 +77,7 @@ static void name(SDL_BlitInfo *info) \
int dststride = width * dstBpp + info->d_skip; \
\
while ( height-- ) { \
+ __builtin_prefetch(dst + dststride); \
neon_name(dst, src, width); \
src += srcstride; \
dst += dststride; \
diff --git a/src/video/SDL_blit_neon.S b/src/video/SDL_blit_neon.S
index 979bb2a..dcbfd74 100644
--- a/src/video/SDL_blit_neon.S
+++ b/src/video/SDL_blit_neon.S
@@ -63,13 +63,13 @@
vdup.i16 q12, r12
0:
- pld [r1, #64*2]
cmp r2, #8
- pld [r0, #64*2]
blt 3f
1:
vld4.8 {d4-d7}, [r1]!
+ pld [r1, #64*2]
vld4.8 {d0-d3}, [r0]
+ pld [r0, #64+32]
2:
.if \bgr2rgb
vswp d4, d6 @ BGR->RGB
@@ -164,13 +164,13 @@ do_argb_finish:
.endif
vdup.i16 q12, r12
0:
- pld [r1, #64*2]
cmp r2, #8
- pld [r0, #64*2]
blt 3f
1:
vld4.8 {d4-d7}, [r1]!
+ pld [r1, #64*2]
vld2.8 {d1-d2}, [r0]
+ pld [r0, #64+32]
.if \bgr2rgb
vswp d4, d6 @ BGR->RGB
.endif
--
2.39.5