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Use CACHEALIGN_SIZE in codec_malloc for optimal alignment.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29838 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andree Buschmann 2011-05-08 19:50:39 +00:00
parent f79769c541
commit b452fa061d
1 changed files with 4 additions and 1 deletions
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5
apps/codecs/lib/codeclib.c
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@ -35,6 +35,7 @@ static unsigned char* mallocbuf;
int codec_init(void) int codec_init(void)
{ {
/* codec_get_buffer() aligns the resulting point to CACHEALIGN_SIZE. */
mem_ptr = 0; mem_ptr = 0;
mallocbuf = (unsigned char *)ci->codec_get_buffer((size_t *)&bufsize); mallocbuf = (unsigned char *)ci->codec_get_buffer((size_t *)&bufsize);
@ -60,7 +61,9 @@ void* codec_malloc(size_t size)
return NULL; return NULL;
x=&mallocbuf[mem_ptr]; x=&mallocbuf[mem_ptr];
mem_ptr+=(size+3)&~3; /* Keep memory 32-bit aligned */
/* Keep memory aligned to CACHEALIGN_SIZE. */
mem_ptr += (size + (CACHEALIGN_SIZE-1)) & ~(CACHEALIGN_SIZE-1);
return(x); return(x);
} }