This patch adds the binary_lshift shape description.
2022-09-08 Christophe Lyon <christophe.l...@arm.com>
gcc/
* config/arm/arm-mve-builtins-shapes.cc (binary_lshift): New.
* config/arm/arm-mve-builtins-shapes.h (binary_lshift): New.
---
gcc/config/arm/arm-mve-builtins-shapes.cc | 57 +++++++++++++++++++++++
gcc/config/arm/arm-mve-builtins-shapes.h | 1 +
2 files changed, 58 insertions(+)
diff --git a/gcc/config/arm/arm-mve-builtins-shapes.cc
b/gcc/config/arm/arm-mve-builtins-shapes.cc
index 28a2d66ddd1..e5093c3f29d 100644
--- a/gcc/config/arm/arm-mve-builtins-shapes.cc
+++ b/gcc/config/arm/arm-mve-builtins-shapes.cc
@@ -519,6 +519,63 @@ struct binary_round_lshift_def : public overloaded_base<0>
};
SHAPE (binary_round_lshift)
+/* <T0>_t vfoo[_t0](<T0>_t, <T0>_t)
+ <T0>_t vfoo_n[_t0](<T0>_t, const int)
+
+ i.e. the standard shape for left shift operations that operate on
+ vector types.
+
+ For the MODE_n versions, check that 'imm' is in the [0..#bits-1] range.
+
+ Example: vshlq.
+ int8x16_t [__arm_]vshlq[_s8](int8x16_t a, int8x16_t b)
+ int8x16_t [__arm_]vshlq_m[_s8](int8x16_t inactive, int8x16_t a, int8x16_t
b, mve_pred16_t p)
+ int8x16_t [__arm_]vshlq_x[_s8](int8x16_t a, int8x16_t b, mve_pred16_t p)
+ int8x16_t [__arm_]vshlq_n[_s8](int8x16_t a, const int imm)
+ int8x16_t [__arm_]vshlq_m_n[_s8](int8x16_t inactive, int8x16_t a, const int
imm, mve_pred16_t p)
+ int8x16_t [__arm_]vshlq_x_n[_s8](int8x16_t a, const int imm, mve_pred16_t
p) */
+struct binary_lshift_def : public overloaded_base<0>
+{
+ bool
+ explicit_mode_suffix_p (enum predication_index, enum mode_suffix_index)
const override
+ {
+ return true;
+ }
+
+ 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);
+ }
+
+ 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);
+ }
+
+ bool
+ check (function_checker &c) const override
+ {
+ if (c.mode_suffix_id != MODE_n)
+ return true;
+
+ unsigned int bits = c.type_suffix (0).element_bits;
+ return c.require_immediate_range (1, 0, bits - 1);
+ }
+};
+SHAPE (binary_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 cef081aa8ec..e472862ceef 100644
--- a/gcc/config/arm/arm-mve-builtins-shapes.h
+++ b/gcc/config/arm/arm-mve-builtins-shapes.h
@@ -35,6 +35,7 @@ namespace arm_mve
{
extern const function_shape *const binary;
+ extern const function_shape *const binary_lshift;
extern const function_shape *const binary_opt_n;
extern const function_shape *const binary_orrq;
extern const function_shape *const binary_round_lshift;
--
2.34.1
