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2015-02-26 Steve Ellcey <sellcey@imgtec.com>

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* libc/machine/mips/memcpy.S: Fix macro indentation and typos in
	comments.
This commit is contained in:
Steve Ellcey 2015-02-26 23:36:56 +00:00
parent 0fb41ffa65
commit d2f9dbb3ee
2 changed files with 113 additions and 108 deletions
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5
newlib/ChangeLog
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@ -1,3 +1,8 @@
2015-02-26 Steve Ellcey <sellcey@imgtec.com>
* libc/machine/mips/memcpy.S: Fix macro indentation and typos in
comments.
2015-02-24 Jon TURNEY <jon.turney@dronecode.org.uk>
* libc/include/sys/cdefs.h (_GNU_SOURCE): Move check so it has an

20
newlib/libc/machine/mips/memcpy.S
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2012
* Copyright (c) 2012-2015
* MIPS Technologies, Inc., California.
*
* Redistribution and use in source and binary forms, with or without
@ -170,14 +170,14 @@
pref PREFETCH_STORE_HINT, (chunk)*32(reg)
# endif
/* MAX_PREFETCH_SIZE is the maximum size of a prefetch, it must not be less
* then PREFETCH_CHUNK, the assumed size of each prefetch. If the real size
* of a prefetch is greater then MAX_PREFETCH_SIZE and the PREPAREFORSTORE
* hint is used, the code will not work corrrectly. If PREPAREFORSTORE is not
* than PREFETCH_CHUNK, the assumed size of each prefetch. If the real size
* of a prefetch is greater than MAX_PREFETCH_SIZE and the PREPAREFORSTORE
* hint is used, the code will not work correctly. If PREPAREFORSTORE is not
* used then MAX_PREFETCH_SIZE does not matter. */
# define MAX_PREFETCH_SIZE 128
/* PREFETCH_LIMIT is set based on the fact that we neve use an offset greater
* then 5 on a STORE prefetch and that a single prefetch can never be larger
* then MAX_PREFETCH_SIZE. We add the extra 32 when USE_DOUBLE is set because
/* PREFETCH_LIMIT is set based on the fact that we never use an offset greater
* than 5 on a STORE prefetch and that a single prefetch can never be larger
* than MAX_PREFETCH_SIZE. We add the extra 32 when USE_DOUBLE is set because
* we actually do two prefetches in that case, one 32 bytes after the other. */
# ifdef USE_DOUBLE
# define PREFETCH_LIMIT (5 * PREFETCH_CHUNK) + 32 + MAX_PREFETCH_SIZE
@ -290,7 +290,7 @@ LEAF(MEMCPY_NAME)
L(memcpy):
#endif
/*
* If the size is less then 2*NSIZE (8 or 16), go to L(lastb). Regardless of
* If the size is less than 2*NSIZE (8 or 16), go to L(lastb). Regardless of
* size, copy dst pointer to v0 for the return value.
*/
slti t2,a2,(2 * NSIZE)
@ -458,7 +458,7 @@ L(chkw):
PTR_ADDIU a0,a0,UNIT(8)
/*
* Here we have less then 32(64) bytes to copy. Set up for a loop to
* Here we have less than 32(64) bytes to copy. Set up for a loop to
* copy one word (or double word) at a time. Set a2 to count how many
* bytes we have to copy after all the word (or double word) chunks are
* copied and a3 to the dst pointer after all the (d)word chunks have
@ -650,7 +650,7 @@ L(ua_chkw):
C_ST REG7,UNIT(7)(a0)
PTR_ADDIU a0,a0,UNIT(8)
/*
* Here we have less then 32(64) bytes to copy. Set up for a loop to
* Here we have less than 32(64) bytes to copy. Set up for a loop to
* copy one word (or double word) at a time.
*/
L(ua_chk1w):