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authorChristophe Lyon <christophe.lyon@arm.com>2023-02-09 14:26:44 +0000
committerChristophe Lyon <christophe.lyon@arm.com>2023-05-05 16:12:01 +0200
commit27b1bf82ace8585f74f169d3012c5325bafcd74c (patch)
treef0b36947ddbf5a80350dd63accf2da1d17d3e936 /gcc
parentd8da15d6af2091425a5e2f813e5c77a2b7714e71 (diff)
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arm: [MVE intrinsics] add binary_rshift_narrow_unsigned shape
This patch adds the binary_rshift_narrow_unsigned shape description. 2022-09-08 Christophe Lyon <christophe.lyon@arm.com> gcc/ * config/arm/arm-mve-builtins-shapes.cc (binary_rshift_narrow_unsigned): New. * config/arm/arm-mve-builtins-shapes.h (binary_rshift_narrow_unsigned): New.
Diffstat (limited to 'gcc')
-rw-r--r--gcc/config/arm/arm-mve-builtins-shapes.cc48
-rw-r--r--gcc/config/arm/arm-mve-builtins-shapes.h1
2 files changed, 49 insertions, 0 deletions
diff --git a/gcc/config/arm/arm-mve-builtins-shapes.cc b/gcc/config/arm/arm-mve-builtins-shapes.cc
index 88934e1..e3bf586 100644
--- a/gcc/config/arm/arm-mve-builtins-shapes.cc
+++ b/gcc/config/arm/arm-mve-builtins-shapes.cc
@@ -664,6 +664,54 @@ struct binary_rshift_narrow_def : public overloaded_base<0>
};
SHAPE (binary_rshift_narrow)
+/* <uT0:half>_t vfoo[_n_t0](<uT0:half>_t, <T0>_t, const int)
+
+ Vector saturating rounding shift right and narrow.
+ Check that 'imm' is in the [1..#bits/2] range.
+
+ Example: vqshrunbq.
+ uint8x16_t [__arm_]vqshrunbq[_n_s16](uint8x16_t a, int16x8_t b, const int imm)
+ uint8x16_t [__arm_]vqshrunbq_m[_n_s16](uint8x16_t a, int16x8_t b, const int imm, mve_pred16_t p) */
+struct binary_rshift_narrow_unsigned_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, "vhu0,vhu0,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 (3, i, nargs)
+ || (type = r.infer_vector_type (1)) == NUM_TYPE_SUFFIXES
+ || !r.require_integer_immediate (i))
+ return error_mark_node;
+
+ type_suffix_index narrow_suffix
+ = find_type_suffix (TYPE_unsigned,
+ type_suffixes[type].element_bits / 2);
+
+ if (!r.require_matching_vector_type (0, narrow_suffix))
+ return error_mark_node;
+
+ return r.resolve_to (r.mode_suffix_id, type);
+ }
+
+ bool
+ check (function_checker &c) const override
+ {
+ unsigned int bits = c.type_suffix (0).element_bits;
+ return c.require_immediate_range (2, 1, bits / 2);
+ }
+
+};
+SHAPE (binary_rshift_narrow_unsigned)
+
/* <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 d72686d..ca1c101 100644
--- a/gcc/config/arm/arm-mve-builtins-shapes.h
+++ b/gcc/config/arm/arm-mve-builtins-shapes.h
@@ -41,6 +41,7 @@ namespace arm_mve
extern const function_shape *const binary_orrq;
extern const function_shape *const binary_round_lshift;
extern const function_shape *const binary_rshift_narrow;
+ extern const function_shape *const binary_rshift_narrow_unsigned;
extern const function_shape *const create;
extern const function_shape *const inherent;
extern const function_shape *const unary_convert;