diff options
| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-03 13:31:19 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2009-01-03 13:31:19 +0000 |
| commit | d6a46fe8c264b5853ccf8f966f7bd00c1c32c877 (patch) | |
| tree | a901e3bb3eac416ca44645b468084ea4eecccbda /target-ppc | |
| parent | e4704b3b119d62df2fd3613b5a3c05fbb93ba80c (diff) | |
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
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/op_helper.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 876b5170fb..5d603baedc 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -1954,6 +1954,28 @@ target_ulong helper_dlmzb (target_ulong high, target_ulong low, uint32_t update_ } /*****************************************************************************/ +/* 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 */ static uint8_t hbrev[16] = { |