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| author | Jens Arnold <amiconn@rockbox.org> | 2006-04-20 19:48:02 +0000 |
|---|---|---|
| committer | Jens Arnold <amiconn@rockbox.org> | 2006-04-20 19:48:02 +0000 |
| commit | d43e719d59aeadefee7b46609bdbe66812c5c380 (patch) | |
| tree | 16251f9be32c2b1fa38a7ae8e16ef8e920b34da6 /apps/plugins/lib/gray_core.c | |
| parent | 29ab31e8f1c68dd89dad1e9a92fe3c8a8dd223a9 (diff) | |
| download | rockbox-d43e719d59aeadefee7b46609bdbe66812c5c380.zip rockbox-d43e719d59aeadefee7b46609bdbe66812c5c380.tar.gz rockbox-d43e719d59aeadefee7b46609bdbe66812c5c380.tar.bz2 rockbox-d43e719d59aeadefee7b46609bdbe66812c5c380.tar.xz | |
SH1: Better placement of the C library routine references (gcc 3.4.x -Os and -O2 proof).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9748 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins/lib/gray_core.c')
| -rw-r--r-- | apps/plugins/lib/gray_core.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/apps/plugins/lib/gray_core.c b/apps/plugins/lib/gray_core.c index c70582c..6cc33e0 100644 --- a/apps/plugins/lib/gray_core.c +++ b/apps/plugins/lib/gray_core.c @@ -509,6 +509,14 @@ void gray_update_rect(int x, int y, int width, int height) "bra .ur_end \n" "nop \n" + /* References to C library routines used in the precalc block */ + ".align 2 \n" + ".ashlsi3: \n" /* C library routine: */ + ".long ___ashlsi3 \n" /* shift r4 left by r5, res. in r0 */ + ".lshrsi3: \n" /* C library routine: */ + ".long ___lshrsi3 \n" /* shift r4 right by r5, res. in r0 */ + /* both routines preserve r4, destroy r5 and take ~16 cycles */ + ".ur_sloop: \n" /** short loop (nothing to keep) **/ "shlr r1 \n" /* rotate lsb of pattern 1 to t bit */ "rotcl r0 \n" /* rotate t bit into r0 */ @@ -740,18 +748,6 @@ void gray_update_rect(int x, int y, int width, int height) dst += _gray_info.width; } } -#if CONFIG_CPU == SH7034 -/* References to C library routines used in gray_update_rect() */ -asm ( - ".align 2 \n" -".ashlsi3: \n" /* C library routine: */ - ".long ___ashlsi3 \n" /* shift r4 left by r5, return in r0 */ -".lshrsi3: \n" /* C library routine: */ - ".long ___lshrsi3 \n" /* shift r4 right by r5, return in r0 */ - /* both routines preserve r4, destroy r5 and take ~16 cycles */ -); -#endif /* CONFIG_CPU == SH7034 */ - #endif /* !SIMULATOR */ /* Update the whole greyscale overlay */ |