History log of /external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
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cddc3e03e4ec99c0268c03a126195173e519ed58 04-Mar-2016 Pirama Arumuga Nainar <pirama@google.com> Update aosp/master LLVM for rebase to r256229

http://b/26987366

(cherry picked from commit f3ef5332fa3f4d5ec72c178a2b19dac363a19383)

Change-Id: Ic75dcb63191d65df1b69724576392c0aaeb47728
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
6948897e478cbd66626159776a8017b3c18579b9 01-Jul-2015 Pirama Arumuga Nainar <pirama@google.com> Update aosp/master LLVM for rebase to r239765

Bug: 20140355: This rebase pulls the upstream fix for the spurious
warnings mentioned in the bug.

Change-Id: I7fd24253c50f4d48d900875dcf43ce3f1721a3da
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
37ed9c199ca639565f6ce88105f9e39e898d82d0 01-Dec-2014 Stephen Hines <srhines@google.com> Update aosp/master LLVM for rebase to r222494.

Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
c6a4f5e819217e1e12c458aed8e7b122e23a3a58 21-Jul-2014 Stephen Hines <srhines@google.com> Update LLVM for rebase to r212749.

Includes a cherry-pick of:
r212948 - fixes a small issue with atomic calls

Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
dce4a407a24b04eebc6a376f8e62b41aaa7b071f 29-May-2014 Stephen Hines <srhines@google.com> Update LLVM for 3.5 rebase (r209712).

Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
36b56886974eae4f9c5ebc96befd3e7bfe5de338 24-Apr-2014 Stephen Hines <srhines@google.com> Update to LLVM 3.5a.

Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
745ca1eed7dc0a056b066f16aea750ce6fa8a530 30-Sep-2013 Richard Sandiford <rsandifo@linux.vnet.ibm.com> [SystemZ] Rename subregs and add subreg_h32

Use subreg_hNN and subreg_lNN for the high and low NN bits of a register.
List the low registers first, so that subreg_l32 also means the low 32
bits of a 128-bit register.

Floats are stored in the upper 32 bits of a 64-bit register, so they
should use subreg_h32 rather than subreg_l32.

No behavioral change intended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191659 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
80f54784da0bd42fb79176bbf447a31d69287fe3 19-Aug-2013 Richard Sandiford <rsandifo@linux.vnet.ibm.com> [SystemZ] Add support for sibling calls

This first cut is pretty conservative. The final argument register (R6)
is call-saved, so we would need to make sure that the R6 argument to a
sibling call is the same as the R6 argument to the calling function,
which seems worth keeping as a separate patch.

Saying that integer truncations are free means that we no longer
use the extending instructions LGF and LLGF for spills in int-conv-09.ll
and int-conv-10.ll. Instead we treat the registers as 64 bits wide and
truncate them to 32-bits where necessary. I think it's unlikely we'd
use LGF and LLGF for spills in other situations for the same reason,
so I'm removing the tests rather than replacing them. The associated
code is generic and applies to many more instructions than just
LGF and LLGF, so there is no corresponding code removal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188669 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
47734db936bd3b434d60f9daee5b34bc722ee3ba 05-Jul-2013 Richard Sandiford <rsandifo@linux.vnet.ibm.com> [SystemZ] Allocate a second register scavenging slot

This is another prerequisite for frame-to-frame MVC copies.
I'll commit the patch that makes use of the slot separately.

The downside of trying to test many corner cases with each of the
available addressing modes is that a fair few tests need to account
for the new frame layout. I do still think it's useful to have all
these tests though, since it's something that wouldn't get much coverage
otherwise.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185698 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
7271ac2c0318043688ddc8686dd23777dca62c59 05-Jul-2013 Richard Sandiford <rsandifo@linux.vnet.ibm.com> [SystemZ] Clean up register scavenging code

SystemZ wants normal register scavenging slots, as close to the stack or
frame pointer as possible. The only reason it was using custom code was
because PrologEpilogInserter assumed an x86-like layout, where the frame
pointer is at the opposite end of the frame from the stack pointer.
This meant that when frame pointer elimination was disabled,
the slots ended up being as close as possible to the incoming
stack pointer, which is the opposite of what we want on SystemZ.

This patch adds a new knob to say which layout is used and converts
SystemZ to use target-independent scavenging slots. It's one of the pieces
needed to support frame-to-frame MVCs, where two slots might be required.

The ABI requires us to allocate 160 bytes for calls, so one approach
would be to use that area as temporary spill space instead. It would need
some surgery to make sure that the slot isn't live across a call though.

I stuck to the "isFPCloseToIncomingSP - ..." style comment on the
"do what the surrounding code does" principle. The FP case is already
covered by several Systemz/frame-* tests, which fail without the
PrologueEpilogueInserter change, so no new ones are needed.

No behavioural change intended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185696 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
52c28b07f039da61a20f21275793c8d3b9b97fe9 03-Jul-2013 Richard Sandiford <rsandifo@linux.vnet.ibm.com> [SystemZ] Fix caller-allocated save slot FIXME

Get rid of some old code (and associated FIXME) for handling the
caller-allocated register save area. No behavioural change intended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185525 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
99cb622041a0839c7dfcf0263c5102a305a0fdb5 18-Jun-2013 Bill Wendling <isanbard@gmail.com> Use pointers to the MCAsmInfo and MCRegInfo.

Someone may want to do something crazy, like replace these objects if they
change or something.

No functionality change intended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184175 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
dbd8eb26ce1e7de9b69f5c46f45ba011a706c9b9 22-May-2013 Richard Sandiford <rsandifo@linux.vnet.ibm.com> [SystemZ] Rename PSW to CC

Addresses a review comment from Ulrich Weigand. No functional change intended.

I'm not sure whether the old TODO that this patch touches still holds,
but that's something we'd get to when adding a targetted scheduling
description.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182474 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
6b67ffd68bb2e555b1b512a809f3c82c68f3debe 16-May-2013 Rafael Espindola <rafael.espindola@gmail.com> Remove addFrameMove.

Now that we have good testing, remove addFrameMove and create cfi
instructions directly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182052 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
d84ccfaf50c7843f31ffc74a8a8e33f779453d6e 11-May-2013 Rafael Espindola <rafael.espindola@gmail.com> Change getFrameMoves to return a const reference.

To add a frame now there is a dedicated addFrameMove which also takes
care of constructing the move itself.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181657 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
1d09d56fe1e3f3faadd4bf4ccf3e585ddb3c3b07 06-May-2013 Ulrich Weigand <ulrich.weigand@de.ibm.com> [SystemZ] Add back end

This adds the actual lib/Target/SystemZ target files necessary to
implement the SystemZ target. Note that at this point, the target
cannot yet be built since the configure bits are missing. Those
will be provided shortly by a follow-on patch.

This version of the patch incorporates feedback from reviews by
Chris Lattner and Anton Korobeynikov. Thanks to all reviewers!

Patch by Richard Sandiford.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181203 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
29074ccf6cb00a3cbe32a3b7809d970ecaf8c9bf 25-Oct-2011 Dan Gohman <gohman@apple.com> Remove the SystemZ backend.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142878 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
4f28c1c71450c711e96aa283de53739d8b4504cd 13-Jan-2011 Jakob Stoklund Olesen <stoklund@2pi.dk> Teach frame lowering to ignore debug values after the terminators.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123399 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp
16c29b5f285f375be53dabaa73e3e91107485fe4 10-Jan-2011 Anton Korobeynikov <asl@math.spbu.ru> Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123170 91177308-0d34-0410-b5e6-96231b3b80d8
/external/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp