len0rd/rockbox
1
0
Fork 1
mirror of https://github.com/Rockbox/rockbox.git synced 2025-11-23 12:02:39 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Convert a number of places in core and plugins to use the BIT_N() macro instead of 1<<n. Speeds up things on SH1, and also reduces core binsize. Most notable speedups: 1 bit lcd driver: drawpixel +20%, drawline + 27%, hline +5%; jpeg viewer: +8% for 1/8 scaling. Other targets are unaffected.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21205 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2009-06-07 21:27:05 +00:00
parent c3182ec333
commit 1d6df54df2
24 changed files with 88 additions and 70 deletions
Download patch file Download diff file Expand all files Collapse all files

4
apps/plugins/zxbox/sp_def.h
View file

@ -1,4 +1,4 @@
/*
/*
* Copyright (C) 1996-1998 Szeredi Miklos
* Email: mszeredi@inf.bme.hu
*
@ -20,7 +20,7 @@
#include "spperif.h"
#define MARK_SCR(addr) SPNM(scr_mark)[(addr) >> 5] |= 1 << ((addr) & 0x1F)
#define MARK_SCR(addr) SPNM(scr_mark)[(addr) >> 5] |= BIT_N((addr) & 0x1F)
#define PUTMEM(addr, ptr, val) \
{ \