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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-03 13:31:19 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-03 13:31:19 +0000
commitd6a46fe8c264b5853ccf8f966f7bd00c1c32c877 (patch)
treea901e3bb3eac416ca44645b468084ea4eecccbda
parente4704b3b119d62df2fd3613b5a3c05fbb93ba80c (diff)
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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
-rw-r--r--target-ppc/op_helper.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index 876b517..5d603ba 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] = {