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278 Commits

Author SHA1 Message Date
Duncan Sands
e8bb2c6d32 Support for trampolines, except for X86 codegen which is 
still under discussion.

llvm-svn: 40549
 2007-07-27 12:58:54 +00:00
Lauro Ramos Venancio
18fc770fd0 Assert when TLS is not implemented. 
llvm-svn: 39737
 2007-07-11 17:19:51 +00:00
Dan Gohman
81cfdc2f19 Change getCopyToParts and getCopyFromParts to always use target-endian 
register ordering, for both physical and virtual registers. Update the PPC
target lowering for calls to expect registers for the call result to
already be in target order.

llvm-svn: 38471
 2007-07-09 20:59:04 +00:00
Dan Gohman
a62327ea40 Move ComputeMaskedBits, MaskedValueIsZero, and ComputeNumSignBits from 
TargetLowering to SelectionDAG so that they have more convenient
access to the current DAG, in preparation for the ValueType routines
being changed from standalone functions to members of SelectionDAG for
the pre-legalize vector type changes.

llvm-svn: 37704
 2007-06-22 14:59:07 +00:00
Chris Lattner
81e8a18e7c describe an argument, hide it. 
llvm-svn: 37650
 2007-06-19 05:46:06 +00:00
Chris Lattner
e13fac05d7 If a function is vararg, never pass inreg arguments in registers. Thanks to 
Anton for half of this patch.

llvm-svn: 37641
 2007-06-19 00:13:10 +00:00
Dan Gohman
2fd7d26df8 Rename MVT::getVectorBaseType to MVT::getVectorElementType. 
llvm-svn: 37579
 2007-06-14 22:58:02 +00:00
Dan Gohman
875f6bde73 Apply this patch: 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070514/049845.html

llvm-svn: 37240
 2007-05-18 23:21:46 +00:00
Chris Lattner
4861b958f1 fix some subtle inline asm selection issues 
llvm-svn: 37067
 2007-05-15 01:31:05 +00:00
Chris Lattner
b4ef9c8be3 Fix a bug in PPCTargetLowering::isLegalAddressingMode, scales other than 0/1/2 
are always unsupported.

llvm-svn: 35835
 2007-04-09 22:10:05 +00:00
Nicolas Geoffray
681a87d9e8 Starting implementation of the ELF32 ABI specification of varargs handling. 
LowerVASTART emits the right code if the subtarget is ELF32, the other intrinsics
(VAARG, VACOPY and VAEND) are not yet implemented.

llvm-svn: 35625
 2007-04-03 13:59:52 +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
Nicolas Geoffray
b7c0895529 The ELF ABI specifies F1-F8 registers as argument registers for double, not 
F1-F10. This affects only ELF, not MachO.

llvm-svn: 35622
 2007-04-03 10:27:07 +00:00
Chris Lattner
c0405a348d implement the new addressing mode description hook. 
llvm-svn: 35521
 2007-03-30 23:15:24 +00:00
Lauro Ramos Venancio
99fca527d3 "The C standards do say that "char" may either be a "signed char" or "unsigned 
char" and it is up to the compilers implementation or the platform which is
followed."
http://www.arm.linux.org.uk/docs/faqs/signedchar.php

llvm-svn: 35382
 2007-03-27 16:33:08 +00:00
Chris Lattner
b19069959d switch TargetLowering::getConstraintType to take the entire constraint, 
not just the first letter.  No functionality change.

llvm-svn: 35322
 2007-03-25 02:14:49 +00:00
Nicolas Geoffray
9c77df75ea Stack and register alignment of call arguments in the ELF ABI 
llvm-svn: 35083
 2007-03-13 15:02:46 +00:00
Evan Cheng
06d83c8fce More flexible TargetLowering LSR hooks for testing whether an immediate is a legal target address immediate or scale. 
llvm-svn: 35074
 2007-03-12 23:29:01 +00:00
Chris Lattner
26a5492049 Switch PPC return lower to use an autogenerated CC description. 
llvm-svn: 34940
 2007-03-06 00:59:59 +00:00
Nicolas Geoffray
4b5b81198a Implemented the frameaddress intrinsic for PPC. 
llvm-svn: 34787
 2007-03-01 13:11:38 +00:00
Nicolas Geoffray
a562e5c1c5 Differentiate between the MachO and the ELF ABI the CALL instruction. 
llvm-svn: 34667
 2007-02-27 13:01:19 +00:00
Chris Lattner
d4cd3a31e6 always lower to RETFLAG, never leave it as just ret. 
llvm-svn: 34639
 2007-02-26 19:44:02 +00:00
Chris Lattner
796625a49d no really, this is the right patch 
llvm-svn: 34605
 2007-02-25 20:01:40 +00:00
Chris Lattner
49fc72110a always promote float varargs to double. 
llvm-svn: 34604
 2007-02-25 19:59:18 +00:00
Chris Lattner
041fb5bc67 implement support for the linux/ppc function call ABI. Patch by 
Nicolas Geoffray!

llvm-svn: 34574
 2007-02-25 05:34:32 +00:00
Jim Laskey
b57ee1fc37 Simplify lowering and selection of exception ops. 
llvm-svn: 34488
 2007-02-22 14:56:36 +00:00
Jim Laskey
6a937ad320 Support to provide exception and selector registers. 
llvm-svn: 34482
 2007-02-21 22:54:50 +00:00
Chris Lattner
e3eae5e265 Fix ixaddrs as well, allowing ppc64 to compile to: 
_test2:
        li r2, 0
        lis r3, 1
        std r2, 9024(r3)
        blr

instead of:

_test2:
        lis r2, 1
        li r3, 0
        ori r2, r2, 9024
        std r3, 0(r2)
        blr

This implements CodeGen/PowerPC/LargeAbsoluteAddr.ll:test2

llvm-svn: 34373
 2007-02-17 06:57:26 +00:00
Chris Lattner
50411d5be7 Compile test/CodeGen/PowerPC/LargeAbsoluteAddr.ll to: 
_test:
        lis r2, 743
        li r3, 0
        stw r3, 32751(r2)
        blr

instead of:

_test:
        li r2, 0
        stw r2, 32751(48693248)
        blr

Implement support for ppc64 as well, allowing it to produce better code.

llvm-svn: 34371
 2007-02-17 06:44:03 +00:00
Nate Begeman
dc46021355 Finish off bug 680, allowing targets to custom lower frame and return 
address nodes.

llvm-svn: 33636
 2007-01-29 22:58:52 +00:00
Anton Korobeynikov
611d5e2eda Propagate changes from my local tree. This patch includes: 
1. New parameter attribute called 'inreg'. It has meaning "place this
parameter in registers, if possible". This is some generalization of
gcc's regparm(n) attribute. It's currently used only in X86-32 backend.
2. Completely rewritten CC handling/lowering code inside X86 backend.
Merged stdcall + c CCs and fastcall + fast CC.
3. Dropped CSRET CC. We cannot add struct return variant for each
target-specific CC (e.g. stdcall + csretcc and so on).
4. Instead of CSRET CC introduced 'sret' parameter attribute. Setting in
on first attribute has meaning 'This is hidden pointer to structure
return. Handle it gently'.
5. Fixed small bug in llvm-extract + add new feature to
FunctionExtraction pass, which relinks all internal-linkaged callees
from deleted function to external linkage. This will allow further
linking everything together.

NOTEs: 1. Documentation will be updated soon.
       2. llvm-upgrade should be improved to translate csret => sret.
          Before this, there will be some unexpected test fails.
llvm-svn: 33597
 2007-01-28 13:31:35 +00:00
Jim Laskey
23ed7d2625 Make LABEL a builtin opcode. 
llvm-svn: 33537
 2007-01-26 14:34:52 +00:00
Evan Cheng
5ba049eabf setSetCCIsExpensive is gone. 
llvm-svn: 32941
 2007-01-05 23:42:53 +00:00
Jim Laskey
721e7d2129 Provide support for FP_TO_UINT. 
llvm-svn: 32599
 2006-12-15 14:32:57 +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
Jim Laskey
e2a261ad36 Missing opcode. 
llvm-svn: 32439
 2006-12-11 18:45:56 +00:00
Anton Korobeynikov
e76b69846d Cleaned setjmp/longjmp lowering interfaces. Now we're producing right 
code (both asm & cbe) for Mingw32 target.
Removed autoconf checks for underscored versions of setjmp/longjmp.

llvm-svn: 32415
 2006-12-10 23:12:42 +00:00
Chris Lattner
f5fd4be9dd Fix i64 uint_to_fp on ppc64 
llvm-svn: 32297
 2006-12-07 01:24:16 +00:00
Jim Laskey
1dcda902cd Restoration of the stack pointer after a deallocation of a alloca was not 
updating the SP link.

llvm-svn: 32202
 2006-12-04 22:04:42 +00:00
Jim Laskey
8f43fbf759 1. In ppc64 mode we need only use one GPR. 
2. Float values need to be promoted to double when they are vararg.

llvm-svn: 32074
 2006-12-01 16:30:47 +00:00
Chris Lattner
860908f98c Fix the CodeGen/PowerPC/vec_constants.ll regression. 
llvm-svn: 32057
 2006-12-01 01:45:39 +00:00
Chris Lattner
3219b522c8 Fix bug codegen'ing FP constant vectors with integer splats. Make sure the 
created intrinsics have the right integer types.  This fixes
PowerPC/2006-11-29-AltivecFPSplat.ll

llvm-svn: 32024
 2006-11-29 19:58:49 +00:00
Jim Laskey
00bcb51943 Offset for load of 32-bit arg in 64-bit world was incorrect. 
llvm-svn: 32019
 2006-11-29 13:37:09 +00:00
Jim Laskey
7b0a74da3c Remove debug code. 
llvm-svn: 31970
 2006-11-28 18:27:02 +00:00
Jim Laskey
a5c5ceb212 32-bit int space was not accounted for properly in lowerCall. 
llvm-svn: 31966
 2006-11-28 14:53:52 +00:00
Evan Cheng
98fa7ab4d7 Change MachineInstr ctor's to take a TargetInstrDescriptor reference instead 
of opcode and number of operands.

llvm-svn: 31947
 2006-11-27 23:37:22 +00:00
Chris Lattner
eb9b1840b3 on ppc64, float arguments take 8-byte stack slots not 4-byte stack slots. 
Also, valist should create a pointer RC reg class value, not a GPRC value.

llvm-svn: 31840
 2006-11-18 01:57:19 +00:00
Chris Lattner
0d88b19f2f convert PPC::BCC to use the 'pred' operand instead of separate predicate 
value and CR reg #.  This requires swapping the order of these everywhere
that touches BCC and requires us to write custom matching logic for
PPCcondbranch :(

llvm-svn: 31835
 2006-11-17 22:37:34 +00:00
Chris Lattner
73329ae80d rename PPC::COND_BRANCH to PPC::BCC 
llvm-svn: 31834
 2006-11-17 22:14:47 +00:00
Chris Lattner
1527483a15 start using PPC predicates more consistently. 
llvm-svn: 31833
 2006-11-17 22:10:59 +00:00