Review Request (M): 7077312: Provide a CALL effect for instruct declaration in the ad file
Tom Rodriguez
tom.rodriguez at oracle.com
Tue Sep 6 11:22:17 PDT 2011
Looks good.
tom
On Sep 6, 2011, at 4:54 AM, Roland Westrelin wrote:
> http://cr.openjdk.java.net/~roland/7077312/webrev.00/
>
> This add the ability to declare an instruct in the ad file as having the effect of a leaf runtime call:
>
> instruct divL_reg_reg(R0R1RegL dst, R2R3RegL src1, R0R1RegL src2) %{
> match(Set dst (DivL src1 src2));
> effect(CALL);
>
> This declares this instruct as killing or preserving a set of registers according to the calling convention. Useful for nodes that are implemented with actual runtime call.
>
> Roland.
More information about the hotspot-compiler-dev
mailing list