On Fri, 12 May 2023 16:16:01 GMT, JoKern65 <[email protected]> wrote:
>> When using the new xlc17 compiler (based on a recent clang) to build OpenJDk
>> on AIX , we run into various "warnings as errors".
>> Many of those are in the aix or ppc specific codebase and could be addressed
>> by small adjustments.
>> A lot of those changes are in hotspot, some might be somewhere else in the
>> OpenJDK C/C++ code.
>> With this PR we address only the platform dependent code changes.
>
> JoKern65 has updated the pull request incrementally with one additional
> commit since the last revision:
>
> cosmetic changes
Changes requested by kbarrett (Reviewer).
src/hotspot/cpu/ppc/ppc.ad line 11444:
> 11442: effect(KILL cr0);
> 11443: ins_cost(DEFAULT_COST * 5);
> 11444: size((VM_Version::has_brw() ? 16 : 20));
What is it complaining about here?
src/hotspot/os/aix/os_aix.cpp line 464:
> 462: guarantee0(shmid != -1); // Should always work.
> 463: // Try to set pagesize.
> 464: struct shmid_ds shm_buf = {
> {0,0,0,0,0,0,0,0},0,0,0,0,0,0,0,0,0,0,0,0,0,0 };
Would just `= {};` work? (I think it should, but with warnings who knows...)
src/java.desktop/aix/native/libawt/porting_aix.c line 49:
> 47: for (;;) {
> 48: if (addr >= p->ldinfo_textorg &&
> 49: (char*)addr < (char*)(p->ldinfo_textorg) + p->ldinfo_textsize) {
What is being warned about here? At worst, could you just cast the RHS to
`void*`?
-------------
PR Review: https://git.openjdk.org/jdk/pull/13953#pullrequestreview-1425195126
PR Review Comment: https://git.openjdk.org/jdk/pull/13953#discussion_r1192823550
PR Review Comment: https://git.openjdk.org/jdk/pull/13953#discussion_r1192824441
PR Review Comment: https://git.openjdk.org/jdk/pull/13953#discussion_r1192825686
