[clang] [llvm] [RISCV] Implement Clang Builtins for XCValu Extension in CV32E40P (PR #100684)

[Craig Topper via cfe-commits]

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@@ -0,0 +1,128 @@
+/*===---- riscv_corev_alu.h - CORE-V ALU intrinsics ------------------------===
+ *
+ * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+ * See https://llvm.org/LICENSE.txt for license information.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ *
+ *===-----------------------------------------------------------------------===
+ */
+
+#ifndef __RISCV_COREV_ALU_H
+#define __RISCV_COREV_ALU_H
+
+#include <stdint.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+#if defined(__riscv_xcvalu)
+
+#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
+
+static __inline__ long __DEFAULT_FN_ATTRS __riscv_cv_abs(long a) {
+  return __builtin_abs(a);
+}
+
+static __inline__ long __DEFAULT_FN_ATTRS __riscv_cv_alu_slet(long a, long b) {
+  return __builtin_riscv_cv_alu_slet(a, b);
+}
+
+static __inline__ long __DEFAULT_FN_ATTRS
+__riscv_cv_alu_sletu(unsigned long a, unsigned long b) {
+  return __builtin_riscv_cv_alu_sletu(a, b);
+}
+
+static __inline__ long __DEFAULT_FN_ATTRS __riscv_cv_alu_min(long a, long b) {
+  return min(a, b);
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topperc wrote:

Where is `min` defined?

https://github.com/llvm/llvm-project/pull/100684