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-rw-r--r--gcc-4.9/gcc/config/rs6000/rs6000.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/rs6000/rs6000.h b/gcc-4.9/gcc/config/rs6000/rs6000.h
index a6afb6c37..9ec3647fe 100644
--- a/gcc-4.9/gcc/config/rs6000/rs6000.h
+++ b/gcc-4.9/gcc/config/rs6000/rs6000.h
@@ -477,6 +477,10 @@ extern int rs6000_vector_align[];
#define VECTOR_ELT_ORDER_BIG \
(BYTES_BIG_ENDIAN || (rs6000_altivec_element_order == 2))
+/* Element number of the 64-bit value in a 128-bit vector that can be accessed
+ with scalar instructions. */
+#define VECTOR_ELEMENT_SCALAR_64BIT ((BYTES_BIG_ENDIAN) ? 0 : 1)
+
/* Alignment options for fields in structures for sub-targets following
AIX-like ABI.
ALIGN_POWER word-aligns FP doubles (default AIX ABI).