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| -rw-r--r-- | docs/LangRef.html | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/docs/LangRef.html b/docs/LangRef.html index 0dd26bfee6..160a3e251a 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -2917,7 +2917,7 @@ the runtime to find the pointer at GC safe points. <h5>Syntax:</h5> <pre> - declare sbyte* %llvm.gcread(sbyte** %Ptr) + declare sbyte* %llvm.gcread(sbyte* %ObjPtr, sbyte** %Ptr) </pre> <h5>Overview:</h5> @@ -2928,8 +2928,10 @@ barriers.</p> <h5>Arguments:</h5> -<p>The argument is the address to read from, which should be an address -allocated from the garbage collector.</p> +<p>The second argument is the address to read from, which should be an address +allocated from the garbage collector. The first object is a pointer to the +start of the referenced object, if needed by the language runtime (otherwise +null).</p> <h5>Semantics:</h5> @@ -2950,7 +2952,7 @@ garbage collector runtime, as needed.</p> <h5>Syntax:</h5> <pre> - declare void %llvm.gcwrite(sbyte* %P1, sbyte** %P2) + declare void %llvm.gcwrite(sbyte* %P1, sbyte* %Obj, sbyte** %P2) </pre> <h5>Overview:</h5> @@ -2961,8 +2963,10 @@ barriers (such as generational or reference counting collectors).</p> <h5>Arguments:</h5> -<p>The first argument is the reference to store, and the second is the heap -location to store to.</p> +<p>The first argument is the reference to store, the second is the start of the +object to store it to, and the third is the address of the field of Obj to +store to. If the runtime does not require a pointer to the object, Obj may be +null.</p> <h5>Semantics:</h5> |