diff options
Diffstat (limited to 'lib/Target/X86/X86CompilationCallback_Win64.asm')
| -rw-r--r-- | lib/Target/X86/X86CompilationCallback_Win64.asm | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/lib/Target/X86/X86CompilationCallback_Win64.asm b/lib/Target/X86/X86CompilationCallback_Win64.asm index 8002f98765..a11c5c3ce4 100644 --- a/lib/Target/X86/X86CompilationCallback_Win64.asm +++ b/lib/Target/X86/X86CompilationCallback_Win64.asm @@ -15,52 +15,52 @@ extrn X86CompilationCallback2: PROC .code X86CompilationCallback proc + ; Save all int arg registers into register spill area. + mov [rsp+ 8], rcx + mov [rsp+16], rdx + mov [rsp+24], r8 + mov [rsp+32], r9 + push rbp - ; Save RSP + ; Save RSP. mov rbp, rsp - ; Save all int arg registers - push rcx - push rdx - push r8 - push r9 - ; Align stack on 16-byte boundary. and rsp, -16 - ; Save all XMM arg registers - sub rsp, 64 - movaps [rsp], xmm0 - movaps [rsp+16], xmm1 - movaps [rsp+32], xmm2 - movaps [rsp+48], xmm3 + ; Save all XMM arg registers. Also allocate reg spill area. + sub rsp, 96 + movaps [rsp +32], xmm0 + movaps [rsp+16+32], xmm1 + movaps [rsp+32+32], xmm2 + movaps [rsp+48+32], xmm3 ; JIT callee - ; Pass prev frame and return address + ; Pass prev frame and return address. mov rcx, rbp mov rdx, qword ptr [rbp+8] call X86CompilationCallback2 - ; Restore all XMM arg registers - movaps xmm3, [rsp+48] - movaps xmm2, [rsp+32] - movaps xmm1, [rsp+16] - movaps xmm0, [rsp] + ; Restore all XMM arg registers. + movaps xmm3, [rsp+48+32] + movaps xmm2, [rsp+32+32] + movaps xmm1, [rsp+16+32] + movaps xmm0, [rsp +32] - ; Restore RSP + ; Restore RSP. mov rsp, rbp - ; Restore all int arg registers - sub rsp, 32 - pop r9 - pop r8 - pop rdx - pop rcx - - ; Restore RBP + ; Restore RBP. pop rbp + + ; Restore all int arg registers. + mov r9, [rsp+32] + mov r8, [rsp+24] + mov rdx, [rsp+16] + mov rcx, [rsp+ 8] + ret X86CompilationCallback endp |