Introduce a function that will be used to build intrinsics that use p
predication.
2022-09-08 Christophe Lyon <christophe.l...@arm.com>
gcc/
* config/arm/arm-mve-builtins-functions.h (class
unspec_mve_function_exact_insn_pred_p): New.
---
gcc/config/arm/arm-mve-builtins-functions.h | 64 +++++++++++++++++++++
1 file changed, 64 insertions(+)
diff --git a/gcc/config/arm/arm-mve-builtins-functions.h
b/gcc/config/arm/arm-mve-builtins-functions.h
index 533fd1159c6..bf4e209a720 100644
--- a/gcc/config/arm/arm-mve-builtins-functions.h
+++ b/gcc/config/arm/arm-mve-builtins-functions.h
@@ -376,6 +376,70 @@ public:
}
};
+/* Map the function directly to CODE (UNSPEC), when there is a
+ non-predicated version and one with the "_p" predicate. */
+class unspec_mve_function_exact_insn_pred_p : public function_base
+{
+public:
+ CONSTEXPR unspec_mve_function_exact_insn_pred_p (int unspec_for_sint,
+ int unspec_for_uint,
+ int unspec_for_fp,
+ int unspec_for_p_sint,
+ int unspec_for_p_uint,
+ int unspec_for_p_fp)
+ : m_unspec_for_sint (unspec_for_sint),
+ m_unspec_for_uint (unspec_for_uint),
+ m_unspec_for_fp (unspec_for_fp),
+ m_unspec_for_p_sint (unspec_for_p_sint),
+ m_unspec_for_p_uint (unspec_for_p_uint),
+ m_unspec_for_p_fp (unspec_for_p_fp)
+ {}
+
+ /* The unspec code associated with signed-integer and unsigned-integer
+ operations, with no predicate, or with "_p" predicate. */
+ int m_unspec_for_sint;
+ int m_unspec_for_uint;
+ int m_unspec_for_fp;
+ int m_unspec_for_p_sint;
+ int m_unspec_for_p_uint;
+ int m_unspec_for_p_fp;
+
+ rtx
+ expand (function_expander &e) const override
+ {
+ insn_code code;
+ switch (e.pred)
+ {
+ case PRED_none:
+ if (e.type_suffix (0).integer_p)
+ if (e.type_suffix (0).unsigned_p)
+ code = code_for_mve_q (m_unspec_for_uint, m_unspec_for_uint,
e.vector_mode (0));
+ else
+ code = code_for_mve_q (m_unspec_for_sint, m_unspec_for_sint,
e.vector_mode (0));
+ else
+ code = code_for_mve_q_f (m_unspec_for_fp, e.vector_mode (0));
+
+ return e.use_exact_insn (code);
+
+ case PRED_p:
+ if (e.type_suffix (0).integer_p)
+ if (e.type_suffix (0).unsigned_p)
+ code = code_for_mve_q_p (m_unspec_for_p_uint, m_unspec_for_p_uint,
e.vector_mode (0));
+ else
+ code = code_for_mve_q_p (m_unspec_for_p_sint, m_unspec_for_p_sint,
e.vector_mode (0));
+ else
+ gcc_unreachable (); /* Will be fixed later in the series. */
+
+ return e.use_exact_insn (code);
+
+ default:
+ gcc_unreachable ();
+ }
+
+ gcc_unreachable ();
+ }
+};
+
/* Map the function directly to CODE (UNSPEC, M) for vshl-like
builtins. The difference with unspec_mve_function_exact_insn is
that this function handles MODE_r and the related unspecs.. */
--
2.34.1
