Add some basic blackfin intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77903 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 51 insertions, 0 deletions

diff --git a/include/llvm/IntrinsicsBlackfin.td b/include/llvm/IntrinsicsBlackfin.td
new file mode 100644
index 0000000..3a4052b
--- /dev/null
+++ b/include/llvm/IntrinsicsBlackfin.td
@@ -0,0 +1,51 @@
+//===- IntrinsicsBlackfin.td - Defines Blackfin intrinsics -*- tablegen -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines all of the blackfin-specific intrinsics.
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+// Core synchronisation etc.
+//
+// These intrinsics have sideeffects. Each represent a single instruction, but
+// workarounds are sometimes required depending on the cpu.
+
+let TargetPrefix = "bfin" in {
+
+  // Execute csync instruction with workarounds
+  def int_bfin_csync : GCCBuiltin<"__builtin_bfin_csync">,
+          Intrinsic<[llvm_void_ty]>;
+
+  // Execute ssync instruction with workarounds
+  def int_bfin_ssync : GCCBuiltin<"__builtin_bfin_ssync">,
+          Intrinsic<[llvm_void_ty]>;
+
+  // Execute idle instruction with workarounds
+  def int_bfin_idle : GCCBuiltin<"__builtin_bfin_idle">,
+          Intrinsic<[llvm_void_ty]>;
+
+}
+
+//===----------------------------------------------------------------------===//
+// Miscellaneous GCC-compatible builtins.
+//
+
+let TargetPrefix = "bfin" in {
+
+  // Almost identical to ctpop except for the type signature
+  def int_bfin_ones : GCCBuiltin<"__builtin_bfin_ones">,
+          Intrinsic<[llvm_i16_ty], [llvm_i32_ty], [IntrNoMem]>;
+
+  // Load unaligned pointer, ignoring the low bits. Like *(p&~3).
+  // This uses the disalignexcpt instruction
+  def int_bfin_loadbytes : GCCBuiltin<"__builtin_bfin_loadbytes">,
+          Intrinsic<[llvm_i32_ty], [llvm_ptr_ty], [IntrReadArgMem]>;
+
+}