This patch adds the binary_round_lshift shape description.
2022-09-08 Christophe Lyon <christophe.l...@arm.com>
gcc/
* config/arm/arm-mve-builtins-shapes.cc (binary_round_lshift): New.
* config/arm/arm-mve-builtins-shapes.h (binary_round_lshift): New.
---
gcc/config/arm/arm-mve-builtins-shapes.cc | 61 +++++++++++++++++++++++
gcc/config/arm/arm-mve-builtins-shapes.h | 1 +
2 files changed, 62 insertions(+)
diff --git a/gcc/config/arm/arm-mve-builtins-shapes.cc
b/gcc/config/arm/arm-mve-builtins-shapes.cc
index 5e6681c784a..28a2d66ddd1 100644
--- a/gcc/config/arm/arm-mve-builtins-shapes.cc
+++ b/gcc/config/arm/arm-mve-builtins-shapes.cc
@@ -458,6 +458,67 @@ struct binary_orrq_def : public overloaded_base<0>
};
SHAPE (binary_orrq)
+/* <T0>_t vfoo[t0](<T0>_t, <T0>_t)
+ <T0>_t vfoo[_n_t0](<T0>_t, int32_t)
+
+ Shape for rounding shift left operations.
+
+ Example: vrshlq.
+ int8x16_t [__arm_]vrshlq[_n_s8](int8x16_t a, int32_t b)
+ int8x16_t [__arm_]vrshlq_m_n[_s8](int8x16_t a, int32_t b, mve_pred16_t p)
+ int8x16_t [__arm_]vrshlq[_s8](int8x16_t a, int8x16_t b)
+ int8x16_t [__arm_]vrshlq_m[_s8](int8x16_t inactive, int8x16_t a, int8x16_t
b, mve_pred16_t p)
+ int8x16_t [__arm_]vrshlq_x[_s8](int8x16_t a, int8x16_t b, mve_pred16_t p)
*/
+struct binary_round_lshift_def : public overloaded_base<0>
+{
+ bool
+ explicit_mode_suffix_p (enum predication_index pred, enum mode_suffix_index
mode) const override
+ {
+ return ((mode == MODE_n)
+ && (pred == PRED_m));
+ }
+
+ bool
+ skip_overload_p (enum predication_index pred, enum mode_suffix_index mode)
const override
+ {
+ switch (mode)
+ {
+ case MODE_none:
+ return false;
+
+ /* For MODE_n, share the overloaded instance with MODE_none, except for
PRED_m. */
+ case MODE_n:
+ return pred != PRED_m;
+
+ default:
+ gcc_unreachable ();
+ }
+ }
+
+ void
+ build (function_builder &b, const function_group_info &group,
+ bool preserve_user_namespace) const override
+ {
+ b.add_overloaded_functions (group, MODE_none, preserve_user_namespace);
+ b.add_overloaded_functions (group, MODE_n, preserve_user_namespace);
+ build_all (b, "v0,v0,vs0", group, MODE_none, preserve_user_namespace);
+ build_all (b, "v0,v0,ss32", group, MODE_n, preserve_user_namespace, false,
preds_m_or_none);
+ }
+
+ tree
+ resolve (function_resolver &r) const override
+ {
+ unsigned int i, nargs;
+ type_suffix_index type;
+ if (!r.check_gp_argument (2, i, nargs)
+ || (type = r.infer_vector_type (0)) == NUM_TYPE_SUFFIXES)
+ return error_mark_node;
+
+ return r.finish_opt_n_resolution (i, 0, type, TYPE_signed);
+ }
+};
+SHAPE (binary_round_lshift)
+
/* <T0>xN_t vfoo[_t0](uint64_t, uint64_t)
where there are N arguments in total.
diff --git a/gcc/config/arm/arm-mve-builtins-shapes.h
b/gcc/config/arm/arm-mve-builtins-shapes.h
index 3305d12877a..cef081aa8ec 100644
--- a/gcc/config/arm/arm-mve-builtins-shapes.h
+++ b/gcc/config/arm/arm-mve-builtins-shapes.h
@@ -37,6 +37,7 @@ namespace arm_mve
extern const function_shape *const binary;
extern const function_shape *const binary_opt_n;
extern const function_shape *const binary_orrq;
+ extern const function_shape *const binary_round_lshift;
extern const function_shape *const create;
extern const function_shape *const inherent;
extern const function_shape *const unary_convert;
--
2.34.1
