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Need to handle any 'nest' parameter before integer

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parameters, since otherwise it won't be passed in
the right register.  With this change trampolines
work on x86-64 (thanks to Luke Guest for providing
access to an x86-64 box).

llvm-svn: 46192
This commit is contained in:
Duncan Sands 2008-01-19 16:42:10 +00:00
parent 7de447b8a6
commit 5e1cbc1ad7
1 changed files with 8 additions and 8 deletions
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16
lib/Target/X86/X86CallingConv.td
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@ -101,7 +101,10 @@ def CC_X86_64_C : CallingConv<[
// Promote i8/i16 arguments to i32.
CCIfType<[i8, i16], CCPromoteToType<i32>>,
// The 'nest' parameter, if any, is passed in R10.
CCIfNest<CCAssignToReg<[R10]>>,
// 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 ]>>,
@ -114,9 +117,6 @@ def CC_X86_64_C : CallingConv<[
CCIfType<[v8i8, v4i16, v2i32, v1i64],
CCAssignToReg<[RDI, RSI, RDX, RCX, R8 , R9 ]>>,
// The 'nest' parameter, if any, is passed in R10.
CCIfNest<CCAssignToReg<[R10]>>,
// 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>>,
@ -140,7 +140,10 @@ def CC_X86_64_TailCall : CallingConv<[
// Promote i8/i16 arguments to i32.
CCIfType<[i8, i16], CCPromoteToType<i32>>,
// The 'nest' parameter, if any, is passed in R10.
CCIfNest<CCAssignToReg<[R10]>>,
// 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]>>,
@ -153,9 +156,6 @@ def CC_X86_64_TailCall : CallingConv<[
CCIfType<[v8i8, v4i16, v2i32, v1i64],
CCAssignToReg<[RDI, RSI, RDX, RCX, R8]>>,
// The 'nest' parameter, if any, is passed in R10.
CCIfNest<CCAssignToReg<[R10]>>,
// 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>>,