diff options
Diffstat (limited to 'gcc/config/rs6000/predicates.md')
| -rw-r--r-- | gcc/config/rs6000/predicates.md | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/gcc/config/rs6000/predicates.md b/gcc/config/rs6000/predicates.md index 237b432..569158f 100644 --- a/gcc/config/rs6000/predicates.md +++ b/gcc/config/rs6000/predicates.md @@ -199,6 +199,16 @@ return CA_REGNO_P (REGNO (op)); }) +;; Return 1 if operand is constant zero (scalars and vectors). +(define_predicate "zero_constant" + (and (match_code "const_int,const_double,const_wide_int,const_vector") + (match_test "op == CONST0_RTX (mode)"))) + +;; Return 1 if operand is constant -1 (scalars and vectors). +(define_predicate "all_ones_constant" + (and (match_code "const_int,const_double,const_wide_int,const_vector") + (match_test "op == CONSTM1_RTX (mode) && !FLOAT_MODE_P (mode)"))) + ;; Return 1 if op is a signed 5-bit constant integer. (define_predicate "s5bit_cint_operand" (and (match_code "const_int") @@ -543,12 +553,16 @@ (match_operand 0 "u_short_cint_operand") (match_operand 0 "gpc_reg_operand"))) -;; Return 1 if op is any constant integer -;; or non-special register. +;; Return 1 if op is any constant integer or a non-special register. (define_predicate "reg_or_cint_operand" (ior (match_code "const_int") (match_operand 0 "gpc_reg_operand"))) +;; Return 1 if op is constant zero or a non-special register. +(define_predicate "reg_or_zero_operand" + (ior (match_operand 0 "zero_constant") + (match_operand 0 "gpc_reg_operand"))) + ;; Return 1 if op is a constant integer valid for addition with addis, addi. (define_predicate "add_cint_operand" (and (match_code "const_int") @@ -744,16 +758,6 @@ (and (match_test "easy_altivec_constant (op, mode)") (match_test "vspltis_shifted (op) != 0"))))) -;; Return 1 if operand is constant zero (scalars and vectors). -(define_predicate "zero_constant" - (and (match_code "const_int,const_double,const_wide_int,const_vector") - (match_test "op == CONST0_RTX (mode)"))) - -;; Return 1 if operand is constant -1 (scalars and vectors). -(define_predicate "all_ones_constant" - (and (match_code "const_int,const_double,const_wide_int,const_vector") - (match_test "op == CONSTM1_RTX (mode) && !FLOAT_MODE_P (mode)"))) - ;; Return 1 if operand is a vector int register or is either a vector constant ;; of all 0 bits of a vector constant of all 1 bits. (define_predicate "vector_int_reg_or_same_bit" |