Public bug reported:
On z13 we have that vector alignment hints are already accepted. This
backport enables GCC to emit such hints not only for target z14 but also
for z13 in case GAS accepts them on z13, too. Since GCC's default target
on Ubuntu is z13 for s390x, we could greatly benefit from such alignment
hints. (note a separate bugzilla entry for binutils/GAS allowing to
accept alignment hints for z13 has been opened)
This is a backport of upstream commits 313e02cfb97 and 710f7d977d1.
---Additional Hardware Info---
n/a
---uname output---
n/a
---Debugger Data---
n/a
Machine Type = z13 2964
---Steps to Reproduce---
n/a
Userspace tool common name: gcc
The userspace tool has the following bit modes: 64-bit
Userspace rpm: gcc
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Skipper Bug Screeners (skipper-screen-team)
Status: New
** Tags: architecture-s39064 bugnameltc-187059 severity-medium
targetmilestone-inin2010
** Tags added: architecture-s39064 bugnameltc-187059 severity-medium
targetmilestone-inin2010
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https://bugs.launchpad.net/bugs/1888653
Title:
[UBUNTU 20.10] GCC: Accept vector alignment hints on z13
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