From 48bdfe63e2be010d2c2d7ab0a7bda75ee7630610 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Tue, 15 Jan 2008 03:15:41 +0000 Subject: Both x86-32 and x86-64 handle byval parameter attributes. llvm-svn: 45996 --- llvm/lib/Target/X86/X86CallingConv.td | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'llvm/lib') diff --git a/llvm/lib/Target/X86/X86CallingConv.td b/llvm/lib/Target/X86/X86CallingConv.td index cd772cc50bf..aaa304e45f1 100644 --- a/llvm/lib/Target/X86/X86CallingConv.td +++ b/llvm/lib/Target/X86/X86CallingConv.td @@ -96,11 +96,12 @@ def RetCC_X86 : CallingConv<[ //===----------------------------------------------------------------------===// def CC_X86_64_C : CallingConv<[ + // Handles byval parameters. + CCIfStruct>, + // Promote i8/i16 arguments to i32. CCIfType<[i8, i16], CCPromoteToType>, - CCIfStruct>, - // The first 6 integer arguments are passed in integer registers. CCIfType<[i32], CCAssignToReg<[EDI, ESI, EDX, ECX, R8D, R9D]>>, CCIfType<[i64], CCAssignToReg<[RDI, RSI, RDX, RCX, R8 , R9 ]>>, @@ -134,11 +135,12 @@ def CC_X86_64_C : CallingConv<[ // Tail call convention (fast): One register is reserved for target address, // namely R9 def CC_X86_64_TailCall : CallingConv<[ + // Handles byval parameters. + CCIfStruct>, + // Promote i8/i16 arguments to i32. CCIfType<[i8, i16], CCPromoteToType>, - CCIfStruct>, - // The first 6 integer arguments are passed in integer registers. CCIfType<[i32], CCAssignToReg<[EDI, ESI, EDX, ECX, R8D]>>, CCIfType<[i64], CCAssignToReg<[RDI, RSI, RDX, RCX, R8]>>, @@ -174,6 +176,9 @@ def CC_X86_64_TailCall : CallingConv<[ /// values are spilled on the stack, and the first 4 vector values go in XMM /// regs. def CC_X86_32_Common : CallingConv<[ + // Handles byval parameters. + CCIfStruct>, + // Integer/Float values get stored in stack slots that are 4 bytes in // size and 4-byte aligned. CCIfType<[i32, f32], CCAssignToStack<4, 4>>, -- cgit v1.2.3