1 files changed, 57 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/CellSPU/SPUCallingConv.td b/contrib/llvm/lib/Target/CellSPU/SPUCallingConv.td
new file mode 100644
index 0000000..ec2f663
--- /dev/null
+++ b/contrib/llvm/lib/Target/CellSPU/SPUCallingConv.td
@@ -0,0 +1,57 @@
+//===- SPUCallingConv.td - Calling Conventions for CellSPU ------*- C++ -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// This describes the calling conventions for the STI Cell SPU architecture.
+//
+//===----------------------------------------------------------------------===//
+
+/// CCIfSubtarget - Match if the current subtarget has a feature F.
+class CCIfSubtarget<string F, CCAction A>
+ : CCIf<!strconcat("State.getTarget().getSubtarget<PPCSubtarget>().", F), A>;
+
+//===----------------------------------------------------------------------===//
+// Return Value Calling Convention
+//===----------------------------------------------------------------------===//
+
+// Return-value convention for Cell SPU: Everything can be passed back via $3:
+def RetCC_SPU : CallingConv<[
+  CCIfType<[i8],       CCAssignToReg<[R3]>>,
+  CCIfType<[i16],      CCAssignToReg<[R3]>>,
+  CCIfType<[i32],      CCAssignToReg<[R3]>>,
+  CCIfType<[i64],      CCAssignToReg<[R3]>>,
+  CCIfType<[i128],     CCAssignToReg<[R3]>>,
+  CCIfType<[f32, f64], CCAssignToReg<[R3]>>,
+  CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToReg<[R3]>>,
+  CCIfType<[v2i32],                                    CCAssignToReg<[R3]>>
+]>;
+
+
+//===----------------------------------------------------------------------===//
+// CellSPU Argument Calling Conventions
+//===----------------------------------------------------------------------===//
+def CCC_SPU : CallingConv<[
+  CCIfType<[i8, i16, i32, i64, i128, f32, f64, 
+            v16i8, v8i16, v4i32, v4f32, v2i64, v2f64],
+            CCAssignToReg<[R3,   R4,  R5,  R6,  R7,  R8,  R9, R10, R11,
+                           R12, R13, R14, R15, R16, R17, R18, R19, R20,
+                           R21, R22, R23, R24, R25, R26, R27, R28, R29,
+                           R30, R31, R32, R33, R34, R35, R36, R37, R38,
+                           R39, R40, R41, R42, R43, R44, R45, R46, R47,
+                           R48, R49, R50, R51, R52, R53, R54, R55, R56,
+                           R57, R58, R59, R60, R61, R62, R63, R64, R65,
+                           R66, R67, R68, R69, R70, R71, R72, R73, R74,
+                           R75, R76, R77, R78, R79]>>,
+  // Integer/FP values get stored in stack slots that are 8 bytes in size and
+  // 8-byte aligned if there are no more registers to hold them.
+  CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>>,
+  
+  // Vectors get 16-byte stack slots that are 16-byte aligned.
+  CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],
+              CCAssignToStack<16, 16>>
+]>;