[SERVER-25227] Identify correct -mcpu and -march settings for aarch64 builds Created: 22/Jul/16  Updated: 02/Sep/16  Resolved: 16/Aug/16

Status: Closed
Project: Core Server
Component/s: Build
Affects Version/s: None
Fix Version/s: 3.3.12

Type: Improvement Priority: Major - P3
Reporter: Andrew Morrow (Inactive) Assignee: Andrew Morrow (Inactive)
Resolution: Done Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Backwards Compatibility: Fully Compatible
Sprint: Platforms 2016-08-26
Participants:

 Description   

See https://gcc.gnu.org/onlinedocs/gcc/AArch64-Options.html

We should understand what our target ISA minimum is and set the flags accordingly. In particular, the crc extension looks interesting.



 Comments   
Comment by Githook User [ 16/Aug/16 ]

Author:

{u'username': u'acmorrow', u'name': u'Andrew Morrow', u'email': u'acm@mongodb.com'}

Message: SERVER-25227 Be explicit about the target arm64 instruction set
Branch: master
https://github.com/mongodb/mongo/commit/e668a59876a0a61fdeb272966b4954fe4ed40d42

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