CCIfType<[i16], CCAssignToReg<[AX, DX]>>,
CCIfType<[i32], CCAssignToReg<[EAX, EDX]>>,
CCIfType<[i64], CCAssignToReg<[RAX, RDX]>>,
-
- // Vector types are returned in XMM0 and XMM1, when they fit. XMMM2 and XMM3
+
+ // Vector types are returned in XMM0 and XMM1, when they fit. XMM2 and XMM3
// can only be used by ABI non-compliant code. If the target doesn't have XMM
// registers, it won't have vector types.
CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],
CCAssignToReg<[XMM0,XMM1,XMM2,XMM3]>>,
+ // 256-bit vectors are returned in YMM0 and XMM1, when they fit. YMM2 and YMM3
+ // can only be used by ABI non-compliant code. This vector type is only
+ // supported while using the AVX target feature.
+ CCIfType<[v32i8, v16i16, v8i32, v4i64, v8f32, v4f64],
+ CCIfSubtarget<"hasAVX()", CCAssignToReg<[YMM0,YMM1,YMM2,YMM3]>>>,
+
// MMX vector types are always returned in MM0. If the target doesn't have
// MM0, it doesn't support these vector types.
CCIfType<[v8i8, v4i16, v2i32, v1i64], CCAssignToReg<[MM0]>>,
CCIfType<[f32, f64, v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],
CCIfSubtarget<"hasSSE1()",
CCAssignToReg<[XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, XMM7]>>>,
-
+
+ // The first 8 256-bit vector arguments are passed in YMM registers.
+ CCIfType<[v32i8, v16i16, v8i32, v4i64, v8f32, v4f64],
+ CCIfSubtarget<"hasAVX()",
+ CCAssignToReg<[YMM0, YMM1, YMM2, YMM3, YMM4, YMM5, YMM6, YMM7]>>>,
+
// Integer/FP values get stored in stack slots that are 8 bytes in size and
// 8-byte aligned if there are no more registers to hold them.
CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>>,
-
+
// Long doubles get stack slots whose size and alignment depends on the
// subtarget.
CCIfType<[f80], CCAssignToStack<0, 0>>,
// Vectors get 16-byte stack slots that are 16-byte aligned.
CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToStack<16, 16>>,
+ // 256-bit vectors get 32-byte stack slots that are 32-byte aligned.
+ CCIfType<[v32i8, v16i16, v8i32, v4i64, v8f32, v4f64],
+ CCAssignToStack<32, 32>>,
+
// __m64 vectors get 8-byte stack slots that are 8-byte aligned.
CCIfType<[v8i8, v4i16, v2i32, v1i64], CCAssignToStack<8, 8>>
]>;
CCIfNotVarArg<CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],
CCAssignToReg<[XMM0, XMM1, XMM2, XMM3]>>>,
+ // The first 4 AVX 256-bit vector arguments are passed in YMM registers.
+ CCIfNotVarArg<CCIfType<[v32i8, v16i16, v8i32, v4i64, v8f32, v4f64],
+ CCIfSubtarget<"hasAVX()",
+ CCAssignToReg<[YMM0, YMM1, YMM2, YMM3]>>>>,
+
// Other SSE vectors get 16-byte stack slots that are 16-byte aligned.
CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToStack<16, 16>>,
+ // 256-bit AVX vectors get 32-byte stack slots that are 32-byte aligned.
+ CCIfType<[v32i8, v16i16, v8i32, v4i64, v8f32, v4f64],
+ CCAssignToStack<32, 32>>,
+
// __m64 vectors get 8-byte stack slots that are 4-byte aligned. They are
// passed in the parameter area.
CCIfType<[v8i8, v4i16, v2i32, v1i64], CCAssignToStack<8, 4>>]>;