CCIfType<[i64], CCAssignToReg<[R15, RBP, RAX, RDX]>>
]>;
+// X86-64 WebKit_JS return-value convention.
+def RetCC_X86_64_WebKit_JS : CallingConv<[
+ // Promote all types to i64
+ CCIfType<[i8, i16, i32], CCPromoteToType<i64>>,
+
+ // Return: RAX
+ CCIfType<[i64], CCAssignToReg<[RAX]>>
+]>;
+
+// X86-64 AnyReg return-value convention. No explicit register is specified for
+// the return-value. The register allocator is allowed and expected to choose
+// any free register.
+//
+// This calling convention is currently only supported by the stackmap and
+// patchpoint intrinsics. All other uses will result in an assert on Debug
+// builds. On Release builds we fallback to the X86 C calling convention.
+def RetCC_X86_64_AnyReg : CallingConv<[
+ CCCustom<"CC_X86_AnyReg_Error">
+]>;
+
// This is the root return-value convention for the X86-32 backend.
def RetCC_X86_32 : CallingConv<[
// If FastCC, use RetCC_X86_32_Fast.
// HiPE uses RetCC_X86_64_HiPE
CCIfCC<"CallingConv::HiPE", CCDelegateTo<RetCC_X86_64_HiPE>>,
+ // Handle JavaScript calls.
+ CCIfCC<"CallingConv::WebKit_JS", CCDelegateTo<RetCC_X86_64_WebKit_JS>>,
+ CCIfCC<"CallingConv::AnyReg", CCDelegateTo<RetCC_X86_64_AnyReg>>,
+
// Handle explicit CC selection
CCIfCC<"CallingConv::X86_64_Win64", CCDelegateTo<RetCC_X86_Win64_C>>,
CCIfCC<"CallingConv::X86_64_SysV", CCDelegateTo<RetCC_X86_64_C>>,
CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>>
]>;
+def CC_X86_64_WebKit_JS : CallingConv<[
+ // Promote i8/i16 arguments to i32.
+ CCIfType<[i8, i16], CCPromoteToType<i32>>,
+
+ // Only the first integer argument is passed in register.
+ CCIfType<[i32], CCAssignToReg<[EAX]>>,
+ CCIfType<[i64], CCAssignToReg<[RAX]>>,
+
+ // The remaining integer arguments are passed on the stack. 32bit integer and
+ // floating-point arguments are aligned to 4 byte and stored in 4 byte slots.
+ // 64bit integer and floating-point arguments are aligned to 8 byte and stored
+ // in 8 byte stack slots.
+ CCIfType<[i32, f32], CCAssignToStack<4, 4>>,
+ CCIfType<[i64, f64], CCAssignToStack<8, 8>>
+]>;
+
+// No explicit register is specified for the AnyReg calling convention. The
+// register allocator may assign the arguments to any free register.
+//
+// This calling convention is currently only supported by the stackmap and
+// patchpoint intrinsics. All other uses will result in an assert on Debug
+// builds. On Release builds we fallback to the X86 C calling convention.
+def CC_X86_64_AnyReg : CallingConv<[
+ CCCustom<"CC_X86_AnyReg_Error">
+]>;
+
//===----------------------------------------------------------------------===//
// X86 C Calling Convention
//===----------------------------------------------------------------------===//
CCDelegateTo<CC_X86_32_Common>
]>;
-def CC_X86_32_ThisCall : CallingConv<[
+def CC_X86_32_ThisCall_Common : CallingConv<[
+ // The first integer argument is passed in ECX
+ CCIfType<[i32], CCAssignToReg<[ECX]>>,
+
+ // Otherwise, same as everything else.
+ CCDelegateTo<CC_X86_32_Common>
+]>;
+
+def CC_X86_32_ThisCall_Mingw : CallingConv<[
+ // Promote i8/i16 arguments to i32.
+ CCIfType<[i8, i16], CCPromoteToType<i32>>,
+
+ CCDelegateTo<CC_X86_32_ThisCall_Common>
+]>;
+
+def CC_X86_32_ThisCall_Win : CallingConv<[
// Promote i8/i16 arguments to i32.
CCIfType<[i8, i16], CCPromoteToType<i32>>,
// Pass sret arguments indirectly through stack.
CCIfSRet<CCAssignToStack<4, 4>>,
- // The first integer argument is passed in ECX
- CCIfType<[i32], CCAssignToReg<[ECX]>>,
+ CCDelegateTo<CC_X86_32_ThisCall_Common>
+]>;
- // Otherwise, same as everything else.
- CCDelegateTo<CC_X86_32_Common>
+def CC_X86_32_ThisCall : CallingConv<[
+ CCIfSubtarget<"isTargetCygMing()", CCDelegateTo<CC_X86_32_ThisCall_Mingw>>,
+ CCDelegateTo<CC_X86_32_ThisCall_Win>
]>;
def CC_X86_32_FastCC : CallingConv<[
def CC_X86_64 : CallingConv<[
CCIfCC<"CallingConv::GHC", CCDelegateTo<CC_X86_64_GHC>>,
CCIfCC<"CallingConv::HiPE", CCDelegateTo<CC_X86_64_HiPE>>,
+ CCIfCC<"CallingConv::WebKit_JS", CCDelegateTo<CC_X86_64_WebKit_JS>>,
+ CCIfCC<"CallingConv::AnyReg", CCDelegateTo<CC_X86_64_AnyReg>>,
CCIfCC<"CallingConv::X86_64_Win64", CCDelegateTo<CC_X86_Win64_C>>,
CCIfCC<"CallingConv::X86_64_SysV", CCDelegateTo<CC_X86_64_C>>,
R11, R12, R13, R14, R15, RBP,
(sequence "XMM%u", 0, 15))>;
+def CSR_AllRegs_64 : CalleeSavedRegs<(add CSR_MostRegs_64, RAX, RSP,
+ (sequence "XMM%u", 16, 31),
+ (sequence "YMM%u", 0, 31),
+ (sequence "ZMM%u", 0, 31))>;
+
// Standard C + YMM6-15
def CSR_Win64_Intel_OCL_BI_AVX : CalleeSavedRegs<(add RBX, RBP, RDI, RSI, R12,
R13, R14, R15,