[jdk11u-dev] RFR: 8254072: AArch64: Get rid of --disable-warnings-as-errors on Windows+ARM64 build [v5]

[Reka Kovacs]

On Tue, 15 Feb 2022 21:30:37 GMT, Reka Kovacs <rkovacs at openjdk.org> wrote:

>> Despite its title, this patch only touches common code that's present before adding Windows/AArch64 support. Not a clean backport. Differences to the original commit:
>> 
>> - This is the first time we disable an MSVC warning for hotspot in 11, so in  `make/hotspot/lib/CompileJvm.gmk` this introduces a new `DISABLED_WARNINGS_microsoft` line.
>> - We disable the same warning in  `make/hotspot/lib/CompileGtest.gmk`.
>> - A tiny useless switch is removed from `src/hotspot/cpu/aarch64/aarch64.ad` that's no longer present on tip (probably not worth a separate PR).
>> - <s>Changes to `src/hotspot/cpu/aarch64/frame_aarch64.cpp` don't yet include the changes from #215.</s>
>> - The assert on line 1477 in `src/hotspot/cpu/aarch64/sharedRuntime_aarch64.cpp` needed some adjustment to compile. (I'm not sure how it compiles on tip, as I don't see `-Wsign-compare` turned off there either, but the types seem to be the same.)
>> 
>> This is part of the Windows/AArch64 port.
>
> Reka Kovacs has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains five commits:
> 
>  - Replace C-style casts with checked_cast
>  - Use size_t in generate_disjoint_copy
>  - Explain disabled MSVC warning C4146 in comment
>  - Fix MSVC warning C4334: result of 32-bit shift implicitly converted to 64 bits
>  - Backport d2812f780e87511736f2d41bc57a69c2a898b583

Sorry @adinn - could you please try again?

-------------

PR: https://git.openjdk.java.net/jdk11u-dev/pull/280