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Commit Graph

37 Commits

Author SHA1 Message Date
Tilmann Scheller
03f517b799 Add support for the PowerPC 64-bit SVR4 ABI.
The Link Register is volatile when using the 32-bit SVR4 ABI.
Make it possible to use the 64-bit SVR4 ABI.
Add non-volatile registers for the 64-bit SVR4 ABI.
Make sure r2 is a reserved register when using the 64-bit SVR4 ABI.
Update PPCFrameInfo for the 64-bit SVR4 ABI.
Add FIXME for 64-bit Darwin PPC.
Insert NOP instruction after direct function calls.
Emit official procedure descriptors.
Create TOC entries for GlobalAddress references.
Spill 64-bit non-volatile registers to the correct slots.
Only custom lower VAARG when using the 32-bit SVR4 ABI.
Use simple VASTART lowering for the 64-bit SVR4 ABI.

llvm-svn: 79091
2009-08-15 11:54:46 +00:00
Chris Lattner
0ff895cd83 eliminate asmflavor from subtarget, PPCTAI is the only client
and each callee knows that it returns.

llvm-svn: 78742
2009-08-11 22:49:34 +00:00
Daniel Dunbar
0b82c938fe Normalize Subtarget constructors to take a target triple string instead of
Module*.

Also, dropped uses of TargetMachine where unnecessary. The only target which
still takes a TargetMachine& is Mips, I would appreciate it if someone would
normalize this to match other targets.

llvm-svn: 77918
2009-08-02 22:11:08 +00:00
Tilmann Scheller
8166687389 Refactor ABI code in the PowerPC backend.
Make CalculateParameterAndLinkageAreaSize() Darwin-specific.
Remove SVR4 specific code from LowerCALL_Darwin() and LowerFORMAL_ARGUMENTS_Darwin().
Rename MachoABI to DarwinABI for consistency.
Rename ELF ABI to SVR4 ABI for consistency.
Factor out common call return lowering between the Darwin and SVR4 ABI.
Factor out common call lowering between the Darwin and SVR4 ABI.

llvm-svn: 74766
2009-07-03 06:47:08 +00:00
Anton Korobeynikov
34fc85e2ee Propagate CPU string out of SubtargetFeatures
llvm-svn: 72335
2009-05-23 19:50:50 +00:00
Dale Johannesen
8f76578347 Alignment values for i64 and f64 on ppc64 were wrong,
possibly for the reason suggested by the comment.
No wonder it didn't work very well.  This unblocks
bootstrap with assertions on ppc.

llvm-svn: 65601
2009-02-27 00:56:35 +00:00
Rafael Espindola
7593f0004f Fix bug 3202.
The EH_frame and .eh symbols are now private, except for darwin9 and earlier.
The patch also fixes the definition of PrivateGlobalPrefix on pcc linux.

llvm-svn: 61242
2008-12-19 10:55:56 +00:00
Dale Johannesen
6cb8a628a2 Rewrite tblgen handling of subtarget features so
it follows the order of the enum, not alphabetical.
The motivation is to make -mattr=+ssse3,+sse41
select SSE41 as it ought to.  Added "ignored"
enum values of 0 to PPC and SPU to avoid compiler
warnings.

llvm-svn: 47143
2008-02-14 23:35:16 +00:00
Chris Lattner
abd12447f8 leopard and above support alignment for common symbols.
llvm-svn: 45493
2008-01-02 19:35:16 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev.
llvm-svn: 45418
2007-12-29 20:36:04 +00:00
Dale Johannesen
4b91728849 long double patch 2 of N. Handle it in TargetData.
(I've tried to get the info right for all targets,
but I'm not expert on all of them - check yours.)

llvm-svn: 40792
2007-08-03 20:20:50 +00:00
Nicolas Geoffray
5897c064a6 The PPC64 ELF ABI is "intended to use the same structure layout and calling convention rules
as the 64-bit PowerOpen ABI" (Reference http://www.linux-foundation.org/spec/ELF/ppc64/).
Change all ELF tests to ELF32.

llvm-svn: 35624
2007-04-03 12:35:28 +00:00
Chris Lattner
42cfb7c452 Improve JIT support for linux/ppc: Patch by Nicolas Geoffray!
llvm-svn: 34572
2007-02-25 05:04:13 +00:00
Chris Lattner
5cece73ec8 Generalize TargetData strings, to support more interesting forms of data.
Patch by Scott Michel.

llvm-svn: 34266
2007-02-14 05:52:17 +00:00
Evan Cheng
c76a2c6c18 Double and long preferred alignment set to 8 bytes.
llvm-svn: 33447
2007-01-22 23:11:06 +00:00
Nick Lewycky
b8c2b60bb5 Needed to build on PPC Linux.
llvm-svn: 33352
2007-01-19 04:36:02 +00:00
Bill Wendling
efde03bbf6 Instead of yet another enum indicating the "assembly language flavor",
just use the one that's in the subtarget.

llvm-svn: 33255
2007-01-16 09:29:17 +00:00
Jim Laskey
ac064e92da Honor cpu directive, take two.
llvm-svn: 32492
2006-12-12 20:57:08 +00:00
Chris Lattner
fb4898fdd8 Another step forward in PPC64 JIT support: we now no-longer need stubs
emitted for external globals in PPC64-JIT-PIC mode (which is good because
we didn't handle them before!).

This also fixes a bug handling the picbase delta, which we would get wrong
in some cases.

llvm-svn: 32451
2006-12-11 23:22:45 +00:00
Chris Lattner
7f60301c69 getInstrItineraryData shouldn't copy the itineraries
llvm-svn: 32448
2006-12-11 21:42:55 +00:00
Chris Lattner
f022962081 Remove what little AIX support we have. It has never been tested and isn't
complete.

llvm-svn: 29156
2006-07-15 01:24:23 +00:00
Chris Lattner
19680a4928 Document the subtarget features better, make sure that 64-bit mode, 64-bit
support, and 64-bit register use are all consistent with each other.

Add a new "IsPPC" feature, to distinguish ppc32 vs ppc64 targets, use this
to configure TargetData differently.  This not makes ppc64 blow up on lots
of stuff :)

llvm-svn: 28825
2006-06-16 17:50:12 +00:00
Chris Lattner
fa884ac11b Rename some subtarget features. A CPU now can *have* 64-bit instructions,
can in 32-bit mode we can choose to optionally *use* 64-bit registers.

llvm-svn: 28824
2006-06-16 17:34:12 +00:00
Chris Lattner
aeb5a015cd First baby step towards ppc64 support. This adds a new -march=ppc64 backend
that is currently just like ppc32 :)

llvm-svn: 28813
2006-06-16 01:37:27 +00:00
Chris Lattner
9f70a7924d Add a subtarget feature for the stfiwx instruction. I know the G5 has it,
but I don't know what other PPC impls do.  If someone could update the proc
table, I would appreciate it :)

llvm-svn: 26421
2006-02-28 07:08:22 +00:00
Jim Laskey
4cb1e29b27 Allow itineraries to be passed through the Target Machine.
llvm-svn: 24139
2005-11-01 20:06:59 +00:00
Jim Laskey
fa6eb200f8 Typo made worse x 2 - take 2.
llvm-svn: 24018
2005-10-26 18:07:50 +00:00
Jim Laskey
a667b2c9f9 Typo x 2
llvm-svn: 24016
2005-10-26 17:50:22 +00:00
Jim Laskey
9ce53d8411 Give full control of subtarget features over to table generated code.
llvm-svn: 24013
2005-10-26 17:30:34 +00:00
Nate Begeman
5dbcab491a Do the right thing and enable 64 bit regs under the control of a subtarget
option.  Currently the only way to enable this is to specify the
64bitregs mattr flag.  It is never enabled by default on any config yet.

llvm-svn: 23779
2005-10-18 00:56:42 +00:00
Nate Begeman
723637974b More PPC32 -> PPC changes, as well as merging some classes that were
redundant after the change.

llvm-svn: 23759
2005-10-16 05:39:50 +00:00
Andrew Lenharth
b5d08bba45 copy and paste error
llvm-svn: 23528
2005-09-29 21:11:57 +00:00
Nate Begeman
f1994fa030 Add accessor for 64bit flag, so that we can tell when it is safe to
generate the fun in-register fp<->long instructions.

llvm-svn: 23244
2005-09-06 15:30:12 +00:00
Chris Lattner
813a73e8e9 Decouple fsqrt from gpul optimizations, implementing fsqrt.ll.
Remove the -enable-gpopt option which is subsumed by feature flags.

llvm-svn: 23218
2005-09-02 18:33:05 +00:00
Jim Laskey
f32ef9a37f 1. Use SubtargetFeatures in llc/lli.
2. Propagate feature "string" to all targets.

3. Implement use of SubtargetFeatures in PowerPCTargetSubtarget.

llvm-svn: 23192
2005-09-01 21:38:21 +00:00
Chris Lattner
93820f4ad7 Consolidate the GPOpt stuff to all use the Subtarget, instead of still
depending on the command line option.  Now the command line option just
sets the subtarget as appropriate.  G5 opts will now default to on on
G5-enabled nightly testers among other machines.

llvm-svn: 22688
2005-08-05 22:05:03 +00:00
Nate Begeman
09997f1012 Add Subtarget support to PowerPC. Next up, using it.
llvm-svn: 22644
2005-08-04 07:12:09 +00:00