diff options
Diffstat (limited to 'llvm/lib/Target/Mips/MipsCallingConv.td')
| -rw-r--r-- | llvm/lib/Target/Mips/MipsCallingConv.td | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/llvm/lib/Target/Mips/MipsCallingConv.td b/llvm/lib/Target/Mips/MipsCallingConv.td index 4d64da2b3e1..c6706a8e8fb 100644 --- a/llvm/lib/Target/Mips/MipsCallingConv.td +++ b/llvm/lib/Target/Mips/MipsCallingConv.td @@ -78,16 +78,28 @@ def CC_MipsO32_FP : CallingConv<[ // Mips N32/64 Calling Convention //===----------------------------------------------------------------------===// +def CC_MipsN_SoftFloat : CallingConv<[ + CCAssignToRegWithShadow<[A0, A1, A2, A3, + T0, T1, T2, T3], + [D12_64, D13_64, D14_64, D15_64, + D16_64, D17_64, D18_64, D19_64]>, + CCAssignToStack<4, 8> +]>; + def CC_MipsN : CallingConv<[ - // Promote i8/i16 arguments to i32. - CCIfType<[i8, i16], CCPromoteToType<i32>>, + CCIfType<[i8, i16, i32], + CCIfSubtargetNot<"isLittle()", + CCIfInReg<CCPromoteToUpperBitsInType<i64>>>>, - // Integer arguments are passed in integer registers. - CCIfType<[i32], CCAssignToRegWithShadow<[A0, A1, A2, A3, - T0, T1, T2, T3], - [F12, F13, F14, F15, - F16, F17, F18, F19]>>, + // All integers (except soft-float integers) are promoted to 64-bit. + CCIfType<[i8, i16, i32], + CCIf<"!static_cast<MipsCCState *>(&State)->WasOriginalArgFloat(ValNo)", + CCPromoteToType<i64>>>, + + // The only i32's we have left are soft-float arguments. + CCIfSubtarget<"abiUsesSoftFloat()", CCIfType<[i32], CCDelegateTo<CC_MipsN_SoftFloat>>>, + // Integer arguments are passed in integer registers. CCIfType<[i64], CCAssignToRegWithShadow<[A0_64, A1_64, A2_64, A3_64, T0_64, T1_64, T2_64, T3_64], [D12_64, D13_64, D14_64, D15_64, @@ -106,23 +118,23 @@ def CC_MipsN : CallingConv<[ T0_64, T1_64, T2_64, T3_64]>>, // All stack parameter slots become 64-bit doublewords and are 8-byte aligned. - CCIfType<[i32, f32], CCAssignToStack<4, 8>>, + CCIfType<[f32], CCAssignToStack<4, 8>>, CCIfType<[i64, f64], CCAssignToStack<8, 8>> ]>; // N32/64 variable arguments. // All arguments are passed in integer registers. def CC_MipsN_VarArg : CallingConv<[ - // Promote i8/i16 arguments to i32. - CCIfType<[i8, i16], CCPromoteToType<i32>>, + // All integers are promoted to 64-bit. + CCIfType<[i8, i16, i32], CCPromoteToType<i64>>, - CCIfType<[i32, f32], CCAssignToReg<[A0, A1, A2, A3, T0, T1, T2, T3]>>, + CCIfType<[f32], CCAssignToReg<[A0, A1, A2, A3, T0, T1, T2, T3]>>, CCIfType<[i64, f64], CCAssignToReg<[A0_64, A1_64, A2_64, A3_64, T0_64, T1_64, T2_64, T3_64]>>, // All stack parameter slots become 64-bit doublewords and are 8-byte aligned. - CCIfType<[i32, f32], CCAssignToStack<4, 8>>, + CCIfType<[f32], CCAssignToStack<4, 8>>, CCIfType<[i64, f64], CCAssignToStack<8, 8>> ]>; |
