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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.

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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
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4
apps/plugins/zxbox/spscr.c
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@ -1,4 +1,4 @@
/*
/*
* Copyright (C) 1996-1998 Szeredi Miklos
* Email: mszeredi@inf.bme.hu
*
@ -82,7 +82,7 @@ byte *update_screen_line(byte *scrp, int coli, int scri, int border,
SPNM(imag_mark)[coli] |= mark;
SPNM(imag_horiz) |= mark;
coli >>= 3;
SPNM(imag_vert) |= (1 << coli);
SPNM(imag_vert) |= BIT_N(coli);
spmp = PRNM(proc).mem + (scri << 5);
spcp = PRNM(proc).mem + 0x5800 + (coli << 5);