Author: evancheng
Date: Mon Jan 14 21:15:41 2008
New Revision: 45996
URL: http://llvm.org/viewvc/llvm-project?rev=45996&view=rev
Log:
Both x86-32 and x86-64 handle byval parameter attributes.
Modified:
llvm/trunk/lib/Target/X86/X86CallingConv.td
Modified: llvm/trunk/lib/Target/X86/X86CallingConv.td
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86CallingConv.td?rev=45996&r1=45995&r2=45996&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86CallingConv.td (original)
+++ llvm/trunk/lib/Target/X86/X86CallingConv.td Mon Jan 14 21:15:41 2008
@@ -96,11 +96,12 @@
//===----------------------------------------------------------------------===//
def CC_X86_64_C : CallingConv<[
+ // Handles byval parameters.
+ CCIfStruct<CCStructAssign<[]>>,
+
// Promote i8/i16 arguments to i32.
CCIfType<[i8, i16], CCPromoteToType<i32>>,
- CCIfStruct<CCStructAssign<[RDI, RSI, RDX, RCX, R8, R9 ]>>,
-
// 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 @@
// Tail call convention (fast): One register is reserved for target address,
// namely R9
def CC_X86_64_TailCall : CallingConv<[
+ // Handles byval parameters.
+ CCIfStruct<CCStructAssign<[]>>,
+
// Promote i8/i16 arguments to i32.
CCIfType<[i8, i16], CCPromoteToType<i32>>,
- CCIfStruct<CCStructAssign<[RDI, RSI, RDX, RCX, R8]>>,
-
// 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 @@
/// 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<CCStructAssign<[]>>,
+
// Integer/Float values get stored in stack slots that are 4 bytes in
// size and 4-byte aligned.
CCIfType<[i32, f32], CCAssignToStack<4, 4>>,
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