RFR: JDK-8219486: Missing reg_mask_init() breaks x86_32 build

[Vladimir Ivanov]

Looks fine.

For 1-line changes LP64_ONLY() may look better.

Best regards,
Vladimir Ivanov

On 20/02/2019 12:41, Roman Kennke wrote:
> JDK-8217909 introduced a method reg_mask_init() which is defined only in
> x86_64.ad, and thus breaks build (linkage) on x86_32.
> 
> I propose to fix this by enclosing the function declaration and call in
> #ifdef _LP64. Alternatively I could add an empty reg_mask_init() to
> x86_32.ad, but I don't like empty code very much. We might want to
> consider to do the with_rbp/no_rbp stuff in x86_32.ad later though. I
> don't have enough time & interest to do it right now.
> 
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8219486
> Webrev:
> http://cr.openjdk.java.net/~rkennke/JDK-8219486/webrev.00/
> 
> Testing: built 32bit locally, will push through jdk/submit in a minute
> 
> Ok?
> 
> Roman
>