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| author | Rafaël Carré <rafael.carre@gmail.com> | 2009-06-06 14:13:48 +0000 |
|---|---|---|
| committer | Rafaël Carré <rafael.carre@gmail.com> | 2009-06-06 14:13:48 +0000 |
| commit | 1d97a380e279694a93855921f02b3a93ac5b97e9 (patch) | |
| tree | c40ce17ecdcbec2bd9d3b02e2d2ae1f7c79f8fc0 | |
| parent | 112e9ea1ef2fc62c0cad953834f1666c5a155cf7 (diff) | |
| download | rockbox-1d97a380e279694a93855921f02b3a93ac5b97e9.tar.gz rockbox-1d97a380e279694a93855921f02b3a93ac5b97e9.zip | |
Sansa Clip: apply r21190 to asm lcd_greydata : 2% speedup
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21199 a1c6a512-1295-4272-9138-f99709370657
| -rw-r--r-- | firmware/target/arm/as3525/sansa-clip/lcd-as-clip.S | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/firmware/target/arm/as3525/sansa-clip/lcd-as-clip.S b/firmware/target/arm/as3525/sansa-clip/lcd-as-clip.S index 0f68a2f664..ed430178b9 100644 --- a/firmware/target/arm/as3525/sansa-clip/lcd-as-clip.S +++ b/firmware/target/arm/as3525/sansa-clip/lcd-as-clip.S @@ -91,11 +91,16 @@ lcd_grey_data: 1: ldr r5, [lr, #0xC] @ DBOP_STAT - ands r5, r5, #(1<<10) @ wait until push fifo empties - beq 1b + ands r5, r5, #(1<<6) @ wait until push fifo is full + bne 1b subs r2, r2, #1 bne .greyloop +1: + ldr r5, [lr, #0xC] @ DBOP_STAT + ands r5, r5, #(1<<10) @ wait until push fifo empties + beq 1b + ldmfd sp!, {r4-r8, pc} .size lcd_grey_data,.-lcd_grey_data |