From: Christophe Lyon <[email protected]>
Implement asrl and lsll using the new MVE builtins framework.
gcc/ChangeLog:
PR target/122216
* config/arm/arm-mve-builtins-base.cc (enum which_scalar_shift): New.
(mve_function_scalar_shift): New.
(asrl, lsll): New.
* config/arm/arm-mve-builtins-base.def (asrl, lsll): New.
* config/arm/arm-mve-builtins-base.h (asrl, lsll): New.
* config/arm/arm_mve.h (asrl): Delete.
(lsll): Delete.
(__arm_asrl): Delete.
(__arm_lsll): Delete.
---
gcc/config/arm/arm-mve-builtins-base.cc | 43 ++++++++++++++++++++++++
gcc/config/arm/arm-mve-builtins-base.def | 2 ++
gcc/config/arm/arm-mve-builtins-base.h | 2 ++
gcc/config/arm/arm_mve.h | 16 ---------
4 files changed, 47 insertions(+), 16 deletions(-)
diff --git a/gcc/config/arm/arm-mve-builtins-base.cc b/gcc/config/arm/arm-mve-builtins-base.cc
index eecfb31f0cc..66d77ffe90e 100644
--- a/gcc/config/arm/arm-mve-builtins-base.cc
+++ b/gcc/config/arm/arm-mve-builtins-base.cc
@@ -1242,6 +1242,47 @@ public:
}
};
+/* Map the function directly to the appropriate scalar shift builtin. */
+enum which_scalar_shift {
+ ss_ASRL,
+ ss_LSLL,
+};
+
+class mve_function_scalar_shift : public function_base
+{
+public:
+ CONSTEXPR mve_function_scalar_shift (enum which_scalar_shift shl)
+ : m_scalar_shift (shl)
+ {}
+
+ /* Which scalar_shift builtin to map. */
+ enum which_scalar_shift m_scalar_shift;
+
+ rtx
+ expand (function_expander &e) const override
+ {
+ insn_code code;
+
+ switch (m_scalar_shift)
+ {
+ case ss_ASRL:
+ e.args[1] = simplify_gen_subreg (QImode, e.args[1], SImode, 0);
+ code = CODE_FOR_mve_asrl;
+ break;
+
+ case ss_LSLL:
+ e.args[1] = simplify_gen_subreg (QImode, e.args[1], SImode, 0);
+ code = CODE_FOR_mve_lsll;
+ break;
+
+ default:
+ gcc_unreachable ();
+ }
+
+ return e.use_unpred_insn (code);
+ }
+};
+
} /* end anonymous namespace */
namespace arm_mve {
@@ -1409,6 +1450,8 @@ namespace arm_mve {
(-1, -1, UNSPEC##_F, \
-1, -1, UNSPEC##_P_F))
+FUNCTION (asrl, mve_function_scalar_shift, (ss_ASRL))
+FUNCTION (lsll, mve_function_scalar_shift, (ss_LSLL))
FUNCTION_PRED_P_S_U (vabavq, VABAVQ)
FUNCTION_WITHOUT_N (vabdq, VABDQ)
FUNCTION (vabsq, unspec_based_mve_function_exact_insn, (ABS, ABS, ABS, -1, -1, -1, VABSQ_M_S, -1, VABSQ_M_F, -1, -1, -1))
diff --git a/gcc/config/arm/arm-mve-builtins-base.def b/gcc/config/arm/arm-mve-builtins-base.def
index e5a295265f6..422b5580c53 100644
--- a/gcc/config/arm/arm-mve-builtins-base.def
+++ b/gcc/config/arm/arm-mve-builtins-base.def
@@ -18,6 +18,8 @@
<http://www.gnu.org/licenses/>. */
#define REQUIRES_FLOAT false
+DEF_MVE_FUNCTION (asrl, scalar_s64_shift, none, none)
+DEF_MVE_FUNCTION (lsll, scalar_u64_shift, none, none)
DEF_MVE_FUNCTION (vabavq, binary_acca_int32, all_integer, p_or_none)
DEF_MVE_FUNCTION (vabdq, binary, all_integer, mx_or_none)
DEF_MVE_FUNCTION (vabsq, unary, all_signed, mx_or_none)
diff --git a/gcc/config/arm/arm-mve-builtins-base.h b/gcc/config/arm/arm-mve-builtins-base.h
index 285cb0c6957..0f35031dcc9 100644
--- a/gcc/config/arm/arm-mve-builtins-base.h
+++ b/gcc/config/arm/arm-mve-builtins-base.h
@@ -23,6 +23,8 @@
namespace arm_mve {
namespace functions {
+extern const function_base *const asrl;
+extern const function_base *const lsll;
extern const function_base *const vabavq;
extern const function_base *const vabdq;
extern const function_base *const vabsq;
diff --git a/gcc/config/arm/arm_mve.h b/gcc/config/arm/arm_mve.h
index 9947420dcdb..c642a3c4327 100644
--- a/gcc/config/arm/arm_mve.h
+++ b/gcc/config/arm/arm_mve.h
@@ -72,24 +72,8 @@
#define uqshll(__p0, __p1) __arm_uqshll(__p0, __p1)
#define urshr(__p0, __p1) __arm_urshr(__p0, __p1)
#define urshrl(__p0, __p1) __arm_urshrl(__p0, __p1)
-#define lsll(__p0, __p1) __arm_lsll(__p0, __p1)
-#define asrl(__p0, __p1) __arm_asrl(__p0, __p1)
#endif
-__extension__ extern __inline uint64_t
-__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
-__arm_lsll (uint64_t value, int32_t shift)
-{
- return (value << shift);
-}
-
-__extension__ extern __inline int64_t
-__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
-__arm_asrl (int64_t value, int32_t shift)
-{
- return (value >> shift);
-}
-
__extension__ extern __inline uint64_t
__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
__arm_uqrshll (uint64_t value, int32_t shift)
