On Fri, 7 Apr 2023 12:05:28 GMT, Lutz Schmidt <l...@openjdk.org> wrote:
>> Okay, Lutz is the expert here. Sorry for the noise. > > Just to let my voice be heard directly after being cited several times: s390 > is used to designate the CPU architecture. The arch-specific files are stored > in src/hotspot/cpu/s390 for that reason. Back in the days when SAP > contributed the s390 port, there was a discussion which architecture name to > use. SAP had used zArch_64 which more closely reflects what the port really > is (a 64-bit only port to IBM's z/Architecture). It was a majority decision > to use s390 for some historic reasons (I don't remember exactly anymore). > > s390x is (almost) always used in conjunction with a Linux OS port. In that > respect, linuxs390x is a tautology. OpenJDK does not use this tautology, see > src/hotspot/os_cpu/linux_s390 for example. Thanks for the authoritative answer. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/13357#discussion_r1160968894
