jyu2 added a comment.
First I did not say "code doesn't make much sense to me". This is copy form
your description.
Okay, thank for explanation. So if I understand right, both gcc and icc
generated code is not making sense to you. So instead, you want clang give
error for this when output size greater than input size.
A question:
What about input size greater than output size? It seems the error already
emit for that case in Sema. Should also handle the same with your case in
Sema?
================
Comment at: clang/lib/Sema/SemaStmtAsm.cpp:670
+ OutputConstraintInfos[TiedTo].allowsRegister() &&
+ (OutputDomain != AD_Other || OutSize <= InSize))
continue;
----------------
Why not emit error in here?
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D107141/new/
https://reviews.llvm.org/D107141
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