[LLVMdev] Problems with 64-bit register operands of inline asm on ARM

Renato Golin renato.golin at linaro.org
Wed Mar 13 11:01:28 PDT 2013

On 13 March 2013 17:57, Jim Grosbach <grosbach at apple.com> wrote:

> It seems to me that LLVM doesn’t parse the inline asm body. It just checks
> the constraints, (ie. Input/output interface). During ASM writing, it then
> binding those constraints to placeholders like %0, %1.
> This is correct.

Ok, so maybe checking all possible ways to require paired registers is not
such a bad idea after all.

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