// The inverse of CCIfSubtarget
class CCIfSubtargetNot<string F, CCAction A> : CCIfSubtarget<F, A, "!">;
+/// Match if the original argument (before lowering) was a float.
+/// For example, this is true for i32's that were lowered from soft-float.
+class CCIfOrigArgWasNotFloat<CCAction A>
+ : CCIf<"!static_cast<MipsCCState *>(&State)->WasOriginalArgFloat(ValNo)",
+ A>;
+
+/// Match if the original argument (before lowering) was a 128-bit float (i.e.
+/// long double).
+class CCIfOrigArgWasF128<CCAction A>
+ : CCIf<"static_cast<MipsCCState *>(&State)->WasOriginalArgF128(ValNo)", A>;
+
+/// Match if this specific argument is a vararg.
+/// This is slightly different fro CCIfIsVarArg which matches if any argument is
+/// a vararg.
+class CCIfArgIsVarArg<CCAction A>
+ : CCIf<"!static_cast<MipsCCState *>(&State)->IsCallOperandFixed(ValNo)", A>;
+
+
+/// Match if the special calling conv is the specified value.
+class CCIfSpecialCallingConv<string CC, CCAction A>
+ : CCIf<"static_cast<MipsCCState *>(&State)->getSpecialCallingConv() == "
+ "MipsCCState::" # CC, A>;
+
// For soft-float, f128 values are returned in A0_64 rather than V1_64.
def RetCC_F128SoftFloat : CallingConv<[
CCAssignToReg<[V0_64, A0_64]>
// Handle F128 specially since we can't identify the original type during the
// tablegen-erated code.
def RetCC_F128 : CallingConv<[
- CCIfSubtarget<"abiUsesSoftFloat()",
+ CCIfSubtarget<"useSoftFloat()",
CCIfType<[i64], CCDelegateTo<RetCC_F128SoftFloat>>>,
- CCIfSubtargetNot<"abiUsesSoftFloat()",
+ CCIfSubtargetNot<"useSoftFloat()",
CCIfType<[i64], CCDelegateTo<RetCC_F128HardFloat>>>
]>;
// Only the return rules are defined here for O32. The rules for argument
// passing are defined in MipsISelLowering.cpp.
def RetCC_MipsO32 : CallingConv<[
+ // Promote i1/i8/i16 return values to i32.
+ CCIfType<[i1, i8, i16], CCPromoteToType<i32>>,
+
// i32 are returned in registers V0, V1, A0, A1
CCIfType<[i32], CCAssignToReg<[V0, V1, A0, A1]>>,
]>;
def CC_MipsN : CallingConv<[
- CCIfType<[i8, i16, i32],
+ CCIfType<[i8, i16, i32, i64],
CCIfSubtargetNot<"isLittle()",
CCIfInReg<CCPromoteToUpperBitsInType<i64>>>>,
// All integers (except soft-float integers) are promoted to 64-bit.
- CCIfType<[i8, i16, i32],
- CCIf<"!static_cast<MipsCCState *>(&State)->WasOriginalArgFloat(ValNo)",
- CCPromoteToType<i64>>>,
+ CCIfType<[i8, i16, i32], CCIfOrigArgWasNotFloat<CCPromoteToType<i64>>>,
// The only i32's we have left are soft-float arguments.
- CCIfSubtarget<"abiUsesSoftFloat()", CCIfType<[i32], CCDelegateTo<CC_MipsN_SoftFloat>>>,
+ CCIfSubtarget<"useSoftFloat()", CCIfType<[i32], CCDelegateTo<CC_MipsN_SoftFloat>>>,
// Integer arguments are passed in integer registers.
CCIfType<[i64], CCAssignToRegWithShadow<[A0_64, A1_64, A2_64, A3_64,
// N32/64 variable arguments.
// All arguments are passed in integer registers.
def CC_MipsN_VarArg : CallingConv<[
+ CCIfType<[i8, i16, i32, i64],
+ CCIfSubtargetNot<"isLittle()",
+ CCIfInReg<CCPromoteToUpperBitsInType<i64>>>>,
+
// All integers are promoted to 64-bit.
CCIfType<[i8, i16, i32], CCPromoteToType<i64>>,
//
// f128 should only occur for the N64 ABI where long double is 128-bit. On
// N32, long double is equivalent to double.
- CCIfType<[i64],
- CCIf<"static_cast<MipsCCState *>(&State)->WasOriginalArgF128(ValNo)",
- CCDelegateTo<RetCC_F128>>>,
+ CCIfType<[i64], CCIfOrigArgWasF128<CCDelegateTo<RetCC_F128>>>,
// Aggregate returns are positioned at the lowest address in the slot for
// both little and big-endian targets. When passing in registers, this
def CC_Mips_FixedArg : CallingConv<[
// Mips16 needs special handling on some functions.
CCIf<"State.getCallingConv() != CallingConv::Fast",
- CCIf<"static_cast<MipsCCState *>(&State)->getSpecialCallingConv() == "
- "MipsCCState::Mips16RetHelperConv",
+ CCIfSpecialCallingConv<"Mips16RetHelperConv",
CCDelegateTo<CC_Mips16RetHelper>>>,
CCIfByVal<CCDelegateTo<CC_Mips_ByVal>>,
// f128 should only occur for the N64 ABI where long double is 128-bit. On
// N32, long double is equivalent to double.
CCIfType<[i64],
- CCIfSubtargetNot<"abiUsesSoftFloat()",
- CCIf<"static_cast<MipsCCState *>(&State)->WasOriginalArgF128(ValNo)",
- CCBitConvertToType<f64>>>>,
+ CCIfSubtargetNot<"useSoftFloat()",
+ CCIfOrigArgWasF128<CCBitConvertToType<f64>>>>,
CCIfCC<"CallingConv::Fast", CCDelegateTo<CC_Mips_FastCC>>,
]>;
def CC_Mips : CallingConv<[
- CCIfVarArg<
- CCIf<"!static_cast<MipsCCState *>(&State)->IsCallOperandFixed(ValNo)",
- CCDelegateTo<CC_Mips_VarArg>>>,
+ CCIfVarArg<CCIfArgIsVarArg<CCDelegateTo<CC_Mips_VarArg>>>,
CCDelegateTo<CC_Mips_FixedArg>
]>;