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b7c0895529
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1799 Commits

Author SHA1 Message Date
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
dbce9ef4b8 Fix a bug which caused us to never be able to use signed comparisons for 
equality comparisons of a constant.  This allows us to codegen the 'sintzero'
loop in PR1288 as:

LBB1_1: ;cond_next
        li r4, 0
        addi r2, r2, 1
        stw r4, 0(r3)
        addi r3, r3, 4
        cmpwi cr0, r2, -1
        bne cr0, LBB1_1 ;cond_next

instead of:

LBB1_1: ;cond_next
        addi r2, r2, 1
        li r4, 0
        xoris r5, r2, 65535
        stw r4, 0(r3)
        addi r3, r3, 4
        cmplwi cr0, r5, 65535
        bne cr0, LBB1_1 ;cond_next

This implements CodeGen/PowerPC/compare-simm.ll, and also cuts 74
instructions out of kc++.

llvm-svn: 35590
 2007-04-02 05:59:42 +00:00
Chris Lattner
cea5e599ed add a note 
llvm-svn: 35530
 2007-03-31 07:06:25 +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
ee90a087a6 add a note 
llvm-svn: 35334
 2007-03-25 05:10:46 +00:00
Chris Lattner
6d8bbccee0 add a note 
llvm-svn: 35330
 2007-03-25 04:46:28 +00:00
Chris Lattner
31c6763051 Fix CodeGen/PowerPC/2007-03-24-cntlzd.ll 
llvm-svn: 35329
 2007-03-25 04:44:03 +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
205541ef78 Protect R31's frame offset from being used by callee-saved registers, when R31 
is the frame pointer.

llvm-svn: 35233
 2007-03-21 16:44:14 +00:00
Evan Cheng
41f4f032ee Added MRegisterInfo hook to re-materialize an instruction. 
llvm-svn: 35205
 2007-03-20 08:09:38 +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
Evan Cheng
7d528d089c Putting more constants which do not contain relocations into .literal{4|8|16} 
llvm-svn: 35026
 2007-03-08 08:31:54 +00:00
Evan Cheng
c79408b032 For Darwin, put constant data into .const, .const_data, .literal{4|8|16} 
sections.

llvm-svn: 35017
 2007-03-08 01:25:25 +00:00
Evan Cheng
b0c0d22f30 Minor interface change. 
llvm-svn: 34967
 2007-03-06 10:05:14 +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
Nick Lewycky
cfed5f36a1 Emit low/high immediate loads properly for Linux/PPC. 
llvm-svn: 34871
 2007-03-03 05:29:51 +00:00
Nicolas Geoffray
4b5b81198a Implemented the frameaddress intrinsic for PPC. 
llvm-svn: 34787
 2007-03-01 13:11:38 +00:00
Nate Begeman
2288ec3331 More Mach-O writer improvements. 
llvm-svn: 34740
 2007-02-28 07:40:50 +00:00
Evan Cheng
116f97f2c7 PEI now passes a RegScavenger ptr to eliminateFrameIndex. 
llvm-svn: 34707
 2007-02-28 00:21:17 +00:00
Nicolas Geoffray
a144ebf568 Fix parenthesis for BCTRL_{ELF|Macho} test. 
llvm-svn: 34668
 2007-02-27 13:10:41 +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
Jim Laskey
f5b5a3cf77 Duplicate use of LR, take 2. 
llvm-svn: 34666
 2007-02-27 11:55:45 +00:00
Evan Cheng
f54dbab209 Backing out Jim's LR spill changes. This was causing llvm-gcc bootstrapping 
to infinite loop:
PPCMachineFunctionInfo.h updated: 1.2 -> 1.3
PPCRegisterInfo.cpp updated: 1.110 -> 1.111
PPCRegisterInfo.h updated: 1.28 -> 1.29

llvm-svn: 34652
 2007-02-27 02:55:29 +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
b5ce97a83a one important bugfix: PPC32 didn't have both elf and macho support for 
external symbols and global addresses.  Add the missing ones.

one important workaround: PPCISD::CALL is matched by both PPCcall_ELF
and PPCcall_Macho, disable the _ELF patterns for now.

llvm-svn: 34601
 2007-02-25 19:20:53 +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
Chris Lattner
ed4920842f Add XLForm_1_ext template, patch by Nicolas Geoffray. 
llvm-svn: 34573
 2007-02-25 05:07:49 +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
Jim Laskey
704423b797 Don't spill LR as a callee saved register. 
llvm-svn: 34533
 2007-02-23 20:34:16 +00:00
Evan Cheng
da51cf986a By default, spills kills the register being stored. 
llvm-svn: 34515
 2007-02-23 01:10:04 +00:00
Chris Lattner
f8d7232532 remove obsolete file 
llvm-svn: 34506
 2007-02-22 23:48:43 +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
Jim Laskey
bce43df323 Add support for changes in DwarfWriter. 
llvm-svn: 34478
 2007-02-21 22:47:38 +00:00
Jim Laskey
d1e09aa74a Add TAI field for exception table section. 
llvm-svn: 34477
 2007-02-21 22:43:40 +00:00
Evan Cheng
e4ab9c032b Re-apply my liveintervalanalysis changes. Now with PR1207 fixes. 
llvm-svn: 34428
 2007-02-19 21:49:54 +00:00
Reid Spencer
b27fcf3482 For PR1207: 
Revert patches that caused the problem. Evan, please investigate and reapply
when you've discovered the problem.

llvm-svn: 34399
 2007-02-19 03:20:00 +00:00
Evan Cheng
8c2508f1ac Added getReservedRegs(). 
llvm-svn: 34376
 2007-02-17 11:06:00 +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
Chris Lattner
3beba5539b fix incorrect encoding of vminsw. 
llvm-svn: 34351
 2007-02-16 21:20:09 +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
Chris Lattner
31e202922a add a note 
llvm-svn: 34101
 2007-02-09 17:38:01 +00:00
Nate Begeman
e7902cc8ba Remove fixed item 
llvm-svn: 34081
 2007-02-09 04:19:54 +00:00
Bill Wendling
4b33b03487 Fixed comments. 
llvm-svn: 34040
 2007-02-08 06:05:08 +00:00
Bill Wendling
289ab30051 Moved the MachOWriter and ELFWriter out of the Target/* files. Placed the 
definition of it into the CodeGen library. This is so that a backend doesn't
necessarily add in these writers if it doesn't use them (like in the lli
program).

llvm-svn: 34034
 2007-02-08 01:39:44 +00:00