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Add Win64 compilation callback. This allows easy examples to be JITed on Win64!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48706 91177308-0d34-0410-b5e6-96231b3b80d8
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lib/Target/X86/X86CompilationCallback_Win64.asm
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54
lib/Target/X86/X86CompilationCallback_Win64.asm
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@ -0,0 +1,54 @@
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extrn X86CompilationCallback2: PROC
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.code
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X86CompilationCallback proc
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push rbp
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; Save RSP
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mov rbp, rsp
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; Save all int arg registers
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push rcx
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push rdx
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push r8
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push r9
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; Align stack on 16-byte boundary.
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and rsp, -16
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; Save all XMM arg registers
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sub rsp, 64
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movaps [rsp], xmm0
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movaps [rsp+16], xmm1
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movaps [rsp+32], xmm2
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movaps [rsp+48], xmm3
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; JIT callee
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; Pass prev frame and return address
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mov rcx, rbp
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mov rdx, qword ptr [rbp+8]
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call X86CompilationCallback2
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; Restore all XMM arg registers
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movaps xmm3, [rsp+48]
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movaps xmm2, [rsp+32]
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movaps xmm1, [rsp+16]
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movaps xmm0, [rsp]
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; Restore RSP
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mov rsp, rbp
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; Restore all int arg registers
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sub rsp, 32
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pop r9
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pop r8
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pop rdx
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pop rcx
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; Restore RBP
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pop rbp
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ret
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X86CompilationCallback endp
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End
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@ -153,11 +153,10 @@ extern "C" {
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CFI(".cfi_endproc\n")
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);
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# else
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// No inline assembler support on this platform
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void X86CompilationCallback() {
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assert(0 && "Cannot call X86CompilationCallback() on a non-x86 arch!\n");
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abort();
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}
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// No inline assembler support on this platform. The routine is in external
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// file.
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void X86CompilationCallback();
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# endif
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#elif defined (X86_32_JIT)
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# ifndef _MSC_VER
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