diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Target/X86/X86CallingConv.td | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/lib/Target/X86/X86CallingConv.td b/lib/Target/X86/X86CallingConv.td index ef8caa0290..6185c1cd38 100644 --- a/lib/Target/X86/X86CallingConv.td +++ b/lib/Target/X86/X86CallingConv.td @@ -358,12 +358,15 @@ def CC_X86_64_WebKit_JS : CallingConv<[ CCIfType<[i8, i16], CCPromoteToType<i32>>, // Only the first integer argument is passed in register. - CCIfType<[i32], CCAssignToReg<[EDI]>>, - CCIfType<[i64], CCAssignToReg<[RDI]>>, + CCIfType<[i32], CCAssignToReg<[EAX]>>, + CCIfType<[i64], CCAssignToReg<[RAX]>>, - // Integer/FP values are always stored in stack slots that are 8 bytes in size - // and 8-byte aligned. - CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>> + // 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 |