[08/10] arm: [MVE intrinsics] add binary_widen_n shape
Commit Message
This patch adds the binary_widen_n shape description.
2022-09-08 Christophe Lyon <christophe.lyon@arm.com>
gcc/
* config/arm/arm-mve-builtins-shapes.cc (binary_widen_n): New.
* config/arm/arm-mve-builtins-shapes.h (binary_widen_n): New.
---
gcc/config/arm/arm-mve-builtins-shapes.cc | 53 +++++++++++++++++++++++
gcc/config/arm/arm-mve-builtins-shapes.h | 1 +
2 files changed, 54 insertions(+)
@@ -821,6 +821,59 @@ struct binary_rshift_narrow_unsigned_def : public overloaded_base<0>
};
SHAPE (binary_rshift_narrow_unsigned)
+/* <T0:twice>_t vfoo[_n_t0](<T0>_t, const int)
+
+ Check that 'imm' is in the [1..#bits] range.
+
+ Example: vshllbq.
+ int16x8_t [__arm_]vshllbq[_n_s8](int8x16_t a, const int imm)
+ int16x8_t [__arm_]vshllbq_m[_n_s8](int16x8_t inactive, int8x16_t a, const int imm, mve_pred16_t p)
+ int16x8_t [__arm_]vshllbq_x[_n_s8](int8x16_t a, const int imm, mve_pred16_t p) */
+struct binary_widen_n_def : public overloaded_base<0>
+{
+ void
+ build (function_builder &b, const function_group_info &group,
+ bool preserve_user_namespace) const override
+ {
+ b.add_overloaded_functions (group, MODE_n, preserve_user_namespace);
+ build_all (b, "vw0,v0,s0", group, MODE_n, preserve_user_namespace);
+ }
+
+ tree
+ resolve (function_resolver &r) const override
+ {
+ unsigned int i, nargs;
+ type_suffix_index type;
+ tree res;
+ if (!r.check_gp_argument (2, i, nargs)
+ || (type = r.infer_vector_type (i - 1)) == NUM_TYPE_SUFFIXES
+ || !r.require_integer_immediate (i))
+ return error_mark_node;
+
+ type_suffix_index wide_suffix
+ = find_type_suffix (type_suffixes[type].tclass,
+ type_suffixes[type].element_bits * 2);
+
+ /* Check the inactive argument has the wide type. */
+ if (((r.pred == PRED_m) && (r.infer_vector_type (0) == wide_suffix))
+ || r.pred == PRED_none
+ || r.pred == PRED_x)
+ if ((res = r.lookup_form (r.mode_suffix_id, type)))
+ return res;
+
+ return r.report_no_such_form (type);
+ }
+
+ bool
+ check (function_checker &c) const override
+ {
+ unsigned int bits = c.type_suffix (0).element_bits;
+ return c.require_immediate_range (1, 1, bits);
+ }
+
+};
+SHAPE (binary_widen_n)
+
/* <T0>xN_t vfoo[_t0](uint64_t, uint64_t)
where there are N arguments in total.
@@ -45,6 +45,7 @@ namespace arm_mve
extern const function_shape *const binary_rshift;
extern const function_shape *const binary_rshift_narrow;
extern const function_shape *const binary_rshift_narrow_unsigned;
+ extern const function_shape *const binary_widen_n;
extern const function_shape *const create;
extern const function_shape *const inherent;
extern const function_shape *const unary;