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-rw-r--r--lib/Target/X86/X86CallingConv.td4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Target/X86/X86CallingConv.td b/lib/Target/X86/X86CallingConv.td
index 7c555dd..9c2d95a 100644
--- a/lib/Target/X86/X86CallingConv.td
+++ b/lib/Target/X86/X86CallingConv.td
@@ -118,8 +118,10 @@ def CC_X86_64_C : CallingConv<[
// 8-byte aligned if there are no more registers to hold them.
CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>>,
+ // Long doubles get 16-byte stack slots that are 16-byte aligned.
// Vectors get 16-byte stack slots that are 16-byte aligned.
- CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToStack<16, 16>>,
+ CCIfType<[f80, v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],
+ CCAssignToStack<16, 16>>,
// __m64 vectors get 8-byte stack slots that are 8-byte aligned.
CCIfType<[v8i8, v4i16, v2i32, v1i64], CCAssignToStack<8, 8>>