[cfe-commits] [PATCH] Allow inline assembly to inherit readnone/readonly attributes from parent function

Eric Christopher echristo at apple.com
Wed May 2 14:21:08 PDT 2012


On May 2, 2012, at 2:07 PM, Chad Rosier <mcrosier at apple.com> wrote:

> The attached patch allows inline assembly to inherit the readnone/readonly function attribute from the caller.  This allows the attributes to be retained after function inlining.  In turn, CSE is able to do it's magic on inline assembly statements.
> 
> An orthogonal solution would be to add support for the const keyword for inline assembly (e.g., asm const("mov $0x12345678, %0" : "=r" (ptr)); ).

I'm cool with this. Scares me, but I'm not against the idea :)

-eric



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