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author | Tony Linthicum <tlinth@codeaurora.org> | 2011-12-12 21:14:40 +0000 |
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committer | Tony Linthicum <tlinth@codeaurora.org> | 2011-12-12 21:14:40 +0000 |
commit | b4b54153ad760c69a00a08531abef4ed434a5092 (patch) | |
tree | 5c767f5ad7f35af4cb8dc0228769e16d62c993e7 /lib/Target/Hexagon/HexagonCallingConv.td | |
parent | 127a669d09e21ddcd525f493c19dc399093bef35 (diff) | |
download | llvm-b4b54153ad760c69a00a08531abef4ed434a5092.tar.gz llvm-b4b54153ad760c69a00a08531abef4ed434a5092.tar.bz2 llvm-b4b54153ad760c69a00a08531abef4ed434a5092.tar.xz |
Hexagon backend support
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146412 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Hexagon/HexagonCallingConv.td')
-rw-r--r-- | lib/Target/Hexagon/HexagonCallingConv.td | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/Target/Hexagon/HexagonCallingConv.td b/lib/Target/Hexagon/HexagonCallingConv.td new file mode 100644 index 0000000000..bd9608bdb0 --- /dev/null +++ b/lib/Target/Hexagon/HexagonCallingConv.td @@ -0,0 +1,35 @@ +//===- HexagonCallingConv.td - Calling Conventions Hexagon -*- tablegen -*-===// +// +// 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 Hexagon architectures. +// +//===----------------------------------------------------------------------===// + +//===----------------------------------------------------------------------===// +// Return Value Calling Conventions +//===----------------------------------------------------------------------===// + +// Hexagon 32-bit C return-value convention. +def RetCC_Hexagon32 : CallingConv<[ + CCIfType<[i32], CCAssignToReg<[R0, R1, R2, R3, R4, R5]>>, + CCIfType<[i64], CCAssignToReg<[D0, D1, D2]>>, + + // Alternatively, they are assigned to the stack in 4-byte aligned units. + CCAssignToStack<4, 4> +]>; + +// Hexagon 32-bit C Calling convention. +def CC_Hexagon32 : CallingConv<[ + // All arguments get passed in integer registers if there is space. + CCIfType<[i32, i16, i8], CCAssignToReg<[R0, R1, R2, R3, R4, R5]>>, + CCIfType<[i64], CCAssignToReg<[D0, D1, D2]>>, + + // Alternatively, they are assigned to the stack in 4-byte aligned units. + CCAssignToStack<4, 4> +]>; |