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Diffstat (limited to 'gcc/config/rs6000/predicates.md')
| -rw-r--r-- | gcc/config/rs6000/predicates.md | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/config/rs6000/predicates.md b/gcc/config/rs6000/predicates.md index 3e5c1a1a8df..cf25cb7bf0f 100644 --- a/gcc/config/rs6000/predicates.md +++ b/gcc/config/rs6000/predicates.md @@ -377,6 +377,16 @@ return EASY_VECTOR_15_ADD_SELF (val); }) +;; Same as easy_vector_constant but only for EASY_VECTOR_MSB. +(define_predicate "easy_vector_constant_msb" + (and (match_code "const_vector") + (and (match_test "TARGET_ALTIVEC") + (match_test "easy_altivec_constant (op, mode)"))) +{ + HOST_WIDE_INT val = const_vector_elt_as_int (op, GET_MODE_NUNITS (mode) - 1); + return EASY_VECTOR_MSB (val, GET_MODE_INNER (mode)); +}) + ;; Return 1 if operand is constant zero (scalars and vectors). (define_predicate "zero_constant" (and (match_code "const_int,const_double,const_vector") |