diff options
Diffstat (limited to 'lib/Target/Mips/MipsCallingConv.td')
| -rw-r--r-- | lib/Target/Mips/MipsCallingConv.td | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/lib/Target/Mips/MipsCallingConv.td b/lib/Target/Mips/MipsCallingConv.td index 0ae4ef6..3d973ce 100644 --- a/lib/Target/Mips/MipsCallingConv.td +++ b/lib/Target/Mips/MipsCallingConv.td @@ -35,8 +35,9 @@ def RetCC_MipsO32 : CallingConv<[ //===----------------------------------------------------------------------===// def CC_MipsN : CallingConv<[ - // FIXME: Handle byval, complex and float double parameters. - + // Handles byval parameters. + CCIfByVal<CCCustom<"CC_Mips64Byval">>, + // Promote i8/i16/i32 arguments to i64. CCIfType<[i8, i16, i32], CCPromoteToType<i64>>, @@ -63,6 +64,25 @@ def CC_MipsN : CallingConv<[ CCIfType<[f32], CCAssignToStack<4, 8>> ]>; +// N32/64 variable arguments. +// All arguments are passed in integer registers. +def CC_MipsN_VarArg : CallingConv<[ + // Handles byval parameters. + CCIfByVal<CCCustom<"CC_Mips64Byval">>, + + // Promote i8/i16/i32 arguments to i64. + CCIfType<[i8, i16, i32], CCPromoteToType<i64>>, + + CCIfType<[i64, f64], CCAssignToReg<[A0_64, A1_64, A2_64, A3_64, + T0_64, T1_64, T2_64, T3_64]>>, + + CCIfType<[f32], CCAssignToReg<[A0, A1, A2, A3, T0, T1, T2, T3]>>, + + // All stack parameter slots become 64-bit doublewords and are 8-byte aligned. + CCIfType<[i64, f64], CCAssignToStack<8, 8>>, + CCIfType<[f32], CCAssignToStack<4, 8>> +]>; + def RetCC_MipsN : CallingConv<[ // FIXME: Handle complex and float double return values. |