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Add helper macros for later patches. 

Remove N_ELEMS, VECTOR_FOR, and VECTOR_FOR_I macros.  Retain the
VECTOR_FOR_INORDER_I macros as the clearest way of expressing the intent
of iterating over elements in their stored target-endian order.

Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6153 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2009-01-03 13:31:19 +00:00
parent e4704b3b11
commit d6a46fe8c2
1 changed files with 22 additions and 0 deletions
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22
target-ppc/op_helper.c
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@ -1953,6 +1953,28 @@ target_ulong helper_dlmzb (target_ulong high, target_ulong low, uint32_t update_
return i;
}
/*****************************************************************************/
/* Altivec extension helpers */
#if defined(WORDS_BIGENDIAN)
#define HI_IDX 0
#define LO_IDX 1
#else
#define HI_IDX 1
#define LO_IDX 0
#endif
#if defined(WORDS_BIGENDIAN)
#define VECTOR_FOR_INORDER_I(index, element) \
for (index = 0; index < ARRAY_SIZE(r->element); index++)
#else
#define VECTOR_FOR_INORDER_I(index, element) \
for (index = ARRAY_SIZE(r->element)-1; index >= 0; index--)
#endif
#undef VECTOR_FOR_INORDER_I
#undef HI_IDX
#undef LO_IDX
/*****************************************************************************/
/* SPE extension helpers */
/* Use a table to make this quicker */