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author | Richard Osborne <richard@xmos.com> | 2008-11-07 10:59:00 +0000 |
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committer | Richard Osborne <richard@xmos.com> | 2008-11-07 10:59:00 +0000 |
commit | b25baef26f03b9909b65dd5f762b38f93000445d (patch) | |
tree | f03bc8e40b55feab99b0f32e4428d215fa45f988 /lib/Target/XCore/XCoreCallingConv.td | |
parent | 4df60f5491ff35c8a48c2cf14e18a33c9793b3bb (diff) | |
download | llvm-b25baef26f03b9909b65dd5f762b38f93000445d.tar.gz llvm-b25baef26f03b9909b65dd5f762b38f93000445d.tar.bz2 llvm-b25baef26f03b9909b65dd5f762b38f93000445d.tar.xz |
Add XCore backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58838 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/XCore/XCoreCallingConv.td')
-rw-r--r-- | lib/Target/XCore/XCoreCallingConv.td | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/Target/XCore/XCoreCallingConv.td b/lib/Target/XCore/XCoreCallingConv.td new file mode 100644 index 0000000000..8107e329bd --- /dev/null +++ b/lib/Target/XCore/XCoreCallingConv.td @@ -0,0 +1,33 @@ +//===- XCoreCallingConv.td - Calling Conventions for XCore -*- 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 XCore architecture. +//===----------------------------------------------------------------------===// + +//===----------------------------------------------------------------------===// +// XCore Return Value Calling Convention +//===----------------------------------------------------------------------===// +def RetCC_XCore : CallingConv<[ + // i32 are returned in registers R0, R1, R2, R3 + CCIfType<[i32], CCAssignToReg<[R0, R1, R2, R3]>> +]>; + +//===----------------------------------------------------------------------===// +// XCore Argument Calling Conventions +//===----------------------------------------------------------------------===// +def CC_XCore : CallingConv<[ + // Promote i8/i16 arguments to i32. + CCIfType<[i8, i16], CCPromoteToType<i32>>, + + // The first 4 integer arguments are passed in integer registers. + CCIfType<[i32], CCAssignToReg<[R0, R1, R2, R3]>>, + + // Integer values get stored in stack slots that are 4 bytes in + // size and 4-byte aligned. + CCIfType<[i32], CCAssignToStack<4, 4>> +]>; |