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289 Commits

Author SHA1 Message Date
Chris Lattner
be2dceff48 Put out* into the allocation order, allowing the register allocator to 
coallesce moves into outgoing args.

llvm-svn: 21249
 2005-04-12 15:12:51 +00:00
Chris Lattner
37712352c0 Make sure to realize that calls use their argument regs 
llvm-svn: 21248
 2005-04-12 15:12:19 +00:00
Duraid Madina
2821f99f19 stop emitting IDEFs for args - change to using liveIn/liveOut 
llvm-svn: 21247
 2005-04-12 14:54:44 +00:00
Chris Lattner
55e620f08d IA64 supports this operation. 
llvm-svn: 21228
 2005-04-11 18:55:36 +00:00
Duraid Madina
01aaf77792 hmm, should probably change addImm() to take 64-bit arguments one day anyway. 
llvm-svn: 21224
 2005-04-11 07:16:39 +00:00
Duraid Madina
d2ae9221c7 assorted fixes: 
* clean up immediates (we use 14, 22 and 64 bit immediates now. sane.)
  * fold r0/f0/f1 registers into comparisons against 0/0.0/1.0
  * fix nasty thinko - didn't use two-address form of conditional add
    for extending bools to integers, so occasionally there would be
    garbage in the result. it's amazing how often zeros are just
    sitting around in registers ;) - this should fix a bunch of tests.

llvm-svn: 21221
 2005-04-11 05:55:56 +00:00
Duraid Madina
2d3e52576d ok, the "ia64 has a boatload of registers" joke stopped being funny today ;) 
* fix overallocation of integer (stacked) registers: we can't allocate
  registers for local use if they are required as output registers

this fixes 'toast' in the test suite, and all sorts of larger programs
like bzip2 etc.

llvm-svn: 21178
 2005-04-09 11:53:00 +00:00
Chris Lattner
39f963f968 This target does not support/want ISD::BRCONDTWOWAY 
llvm-svn: 21164
 2005-04-09 03:22:37 +00:00
Duraid Madina
e7412561bf fix bogus division-by-power-of-2 (was wrong for negative input, adds extr insn) 
fix hack in division (clean up frcpa instruction)

llvm-svn: 21153
 2005-04-08 10:01:48 +00:00
Duraid Madina
ab6e2cfaeb teach asmprinter to print s8/s14 operands 
llvm-svn: 21131
 2005-04-07 12:34:36 +00:00
Duraid Madina
ed8eb83203 codegen immediate forms of add/sub/shift 
llvm-svn: 21130
 2005-04-07 12:33:38 +00:00
Duraid Madina
5c4a7b68b3 add immediate forms of add, sub, shift 
llvm-svn: 21129
 2005-04-07 12:32:24 +00:00
Duraid Madina
5fa854a7fe steal sampo's div-by-constant-power-of-2 stuff 
thanks sampo!!

llvm-svn: 21113
 2005-04-06 09:55:17 +00:00
Duraid Madina
1d156293cb add fms instruction 
llvm-svn: 21112
 2005-04-06 09:54:09 +00:00
Duraid Madina
2db29b8016 lie a bit and say that r1/r12 (GP/SP) _aren't_ callee-save, as we take 
care of this ourselves

llvm-svn: 21110
 2005-04-06 06:18:36 +00:00
Duraid Madina
62c4de8d62 make sure 'special' registers don't get allocated 
llvm-svn: 21109
 2005-04-06 06:17:54 +00:00
Duraid Madina
920aea2fa7 fix SREM/UREM, which gave incorrect results for x%y if x was zero. This is 
an ugly hack, but it seems to work. I should fix this properly and add a test
as well.

fixes multisource/obsequi (maybe others)

llvm-svn: 21075
 2005-04-04 05:05:52 +00:00
Duraid Madina
d896a18d33 add implicit use op 
llvm-svn: 21074
 2005-04-04 04:50:57 +00:00
Duraid Madina
bfbfb0e4c7 .bss is no problem here. 
llvm-svn: 21061
 2005-04-03 14:52:01 +00:00
Duraid Madina
63f75bdf49 ia64 asmprinter fixes: 
- turn off assembler's autoalignment
  - set FunctionAddrPrefix/Suffix so that .data8 entries pointing to
    functions have their value wrapped in @fptr(), so that a function
    descriptor will be materialized for that function.

llvm-svn: 21025
 2005-04-02 12:30:47 +00:00
Duraid Madina
5367cc3b49 support IDEF, fnegabs (thanks sampo) 
llvm-svn: 21023
 2005-04-02 10:33:53 +00:00
Duraid Madina
81675e4031 add fnegabs op 
llvm-svn: 21022
 2005-04-02 10:06:27 +00:00
Duraid Madina
333132da85 add support FNEG and FABS 
llvm-svn: 21012
 2005-04-02 05:18:38 +00:00
Chris Lattner
a5d4718875 This target doesn't support fabs/fneg yet. 
llvm-svn: 21010
 2005-04-02 05:03:24 +00:00
Duraid Madina
48ef32d6d3 repair mindless SELECT waste. 
llvm-svn: 20982
 2005-04-01 10:35:00 +00:00
Duraid Madina
47fed18416 Assorted fixes: 
* Stop being pessimistic about output register allocation
  * Start to handle function descriptors: compute target GPs and so on
  when doing indirect calls etc. Not there yet, though. For the moment,
  we try to use _indirect_ branches wherever possible, to stress test
  function descriptors.
  * FP divide-by-zero should work now
  * add varargs (it doesn't work, though)

At this point, all of SingleSource passes (modulo C++ tests that are due
to issues with the CFE, see note in the README.) Much of MultiSource also
passes although there's still a ton of bugs around. Something for me to
work on tomorrow, then. :)

llvm-svn: 20960
 2005-03-31 12:31:11 +00:00
Duraid Madina
f2d1865c74 * declare local common symbols as such (.lcomm, not merely .common) 
* begin great adventure into correct function descriptor materialization

llvm-svn: 20956
 2005-03-31 07:40:24 +00:00
Duraid Madina
03efd3bea9 daintyness 
llvm-svn: 20955
 2005-03-31 07:36:43 +00:00
Duraid Madina
11ff0a2a5f add what we need to fudge a 'floating point conditional move', this is 
used to get FP div-by-zero working properly (shunt the right answer
depending on how frcpa sets its predicate output)

llvm-svn: 20954
 2005-03-31 07:32:32 +00:00
Duraid Madina
7b5f67baf9 Emit .global @function and .global @object entries so the Intel ias 
assembler may be used; identify LLVM output as such.

llvm-svn: 20892
 2005-03-28 15:21:43 +00:00
Nate Begeman
f821401825 Change interface to LowerCallTo to take a boolean isVarArg argument. 
llvm-svn: 20842
 2005-03-26 01:29:23 +00:00
Chris Lattner
2e2035aa72 fix a compilation error, patch contributed by Bill Wendling! 
llvm-svn: 20807
 2005-03-24 05:12:48 +00:00
Nate Begeman
175a9f1cc6 Remove comments that are now meaningless from the pattern ISels, at Chris's 
request.

llvm-svn: 20804
 2005-03-24 04:39:54 +00:00
Alkis Evlogimenos
d8f23f17f0 Stop using deprecated interface. 
llvm-svn: 20679
 2005-03-19 09:22:17 +00:00
Duraid Madina
ad26d89f4a typo/denial 
llvm-svn: 20663
 2005-03-17 20:23:27 +00:00
Duraid Madina
341917d75b clean up warnings when building in release mode 
llvm-svn: 20658
 2005-03-17 19:00:40 +00:00
Duraid Madina
0b84eec44b OK, IA64 is statically linked into llc 
llvm-svn: 20655
 2005-03-17 18:37:05 +00:00
Duraid Madina
08bd58412a build the IA64 target as a .so for now 
llvm-svn: 20654
 2005-03-17 18:29:04 +00:00
Duraid Madina
79022e1b87 and so it begins... 
PHASE 1: write instruction selector
PHASE 2: ???
PHASE 3: profit!

llvm-svn: 20652
 2005-03-17 18:17:03 +00:00