[PATCH] D113096: [X86][MS-InlineAsm] Add constraint *m for memory access w/ global var

[Phoebe Wang via Phabricator via cfe-commits]

pengfei added inline comments.


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Comment at: clang/test/CodeGen/ms-inline-asm-static-variable.c:8
+  // CHECK: @arr = internal global [10 x i32]
+  // CHECK: call void asm sideeffect inteldialect "mov dword ptr $0[edx * $$4],edx", "=*m,{{.*}}([10 x i32]* @arr)
+  __asm mov  dword ptr arr[edx*4],edx
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skan wrote:
> pengfei wrote:
> > IIRC, we have limitation on the number. Can you check if it works when we have more than 10 global variables.
> sorry, which number?
`$0`. I mean if we have arr1, arr2, ..., we should have `$1`, `$2`, ... but the max number is `$9` if I remember it correctly.


Repository:
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  https://reviews.llvm.org/D113096/new/

https://reviews.llvm.org/D113096