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author | Jens Arnold <amiconn@rockbox.org> | 2004-06-25 21:01:37 +0000 |
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committer | Jens Arnold <amiconn@rockbox.org> | 2004-06-25 21:01:37 +0000 |
commit | b058366b1310bb8495bdc002a86e3c2500aa5e6f (patch) | |
tree | 5519cd20511c6b8f6c42a0764fe49883c31816f7 /apps/plugins/lib/gray_blockfuncs.c | |
parent | 7c6bdd64935452464b21f99198896c34569105e5 (diff) | |
download | rockbox-b058366b1310bb8495bdc002a86e3c2500aa5e6f.tar.gz rockbox-b058366b1310bb8495bdc002a86e3c2500aa5e6f.zip |
Save and restore pr register within _writearray() / _writeblock(). Cleaner coding, fixes GCC 3.3.1 build.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4803 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins/lib/gray_blockfuncs.c')
-rw-r--r-- | apps/plugins/lib/gray_blockfuncs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/apps/plugins/lib/gray_blockfuncs.c b/apps/plugins/lib/gray_blockfuncs.c index 4eea73a63b..47ff1672a8 100644 --- a/apps/plugins/lib/gray_blockfuncs.c +++ b/apps/plugins/lib/gray_blockfuncs.c | |||
@@ -54,6 +54,7 @@ static void _writeblock(unsigned char *address, unsigned mask, unsigned bits) | |||
54 | * see there for an explanation) for all 8 pixels and put them on an | 54 | * see there for an explanation) for all 8 pixels and put them on an |
55 | * extra stack */ | 55 | * extra stack */ |
56 | asm ( | 56 | asm ( |
57 | "sts.l pr,@-r15 \n" /* save pr (fix GCC331 build, cleaner) */ | ||
57 | "mov #8,r3 \n" /* loop count in r3: 8 pixels */ | 58 | "mov #8,r3 \n" /* loop count in r3: 8 pixels */ |
58 | "mov %6,r2 \n" /* copy mask */ | 59 | "mov %6,r2 \n" /* copy mask */ |
59 | 60 | ||
@@ -103,6 +104,7 @@ static void _writeblock(unsigned char *address, unsigned mask, unsigned bits) | |||
103 | "add #-1,r3 \n" /* decrease loop count */ | 104 | "add #-1,r3 \n" /* decrease loop count */ |
104 | "cmp/pl r3 \n" /* loop count > 0? */ | 105 | "cmp/pl r3 \n" /* loop count > 0? */ |
105 | "bt .wb_loop \n" /* yes: loop */ | 106 | "bt .wb_loop \n" /* yes: loop */ |
107 | "lds.l @r15+,pr \n" /* retsore pr */ | ||
106 | : /* outputs */ | 108 | : /* outputs */ |
107 | /* %0, in & out */ "+r"(_gray_random_buffer), | 109 | /* %0, in & out */ "+r"(_gray_random_buffer), |
108 | /* %1, in & out */ "+r"(pat_ptr) | 110 | /* %1, in & out */ "+r"(pat_ptr) |