[cfe-commits] [PATCH] Initial clang support for C++0x atomic operations
rjmccall at apple.com
Wed Sep 21 13:34:00 CDT 2011
On Sep 21, 2011, at 11:30 AM, Eli Friedman wrote:
> On Wed, Sep 21, 2011 at 10:39 AM, John McCall <rjmccall at apple.com> wrote:
>> On Sep 20, 2011, at 7:02 PM, Eli Friedman wrote:
>>> Attached. Adds AtomicExpr nodes, creates them in Sema, and lowers
>>> them in IRGen.
>> Why is this a new expression node instead of a builtin call with custom
> The return type of (most of) the builtins depends on the type of the
> first argument... can we model that without a new expression node?
Yes. All the GCC atomic builtins are overloaded like this. Just mark the
builtin as requiring custom type-checking.
There are also several builtins which take l-value operands, if that's important.
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