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Author SHA1 Message Date
Chris Lattner
34acee9dbd This patch fixes the nasty bug that caused 175.vpr to fail for X86 last night. 
The problem occurred when trying to reload this instruction:

MOV32mr %reg2326, 8, %reg2297, 4, %reg2295

The value of reg2326 was available in EBX, so it was reused from there, instead
of reloading it into EDX.

The value of reg2297 was available in EDX, so it was reused from there, instead
of reloading it into EDI.

The value of reg2295 was not available, so we tried reloading it into EBX, its
assigned register.  However, we checked and saw that we already reloaded
something into EBX, so we chose what reg2326 was assigned to (EDX) and reloaded
into that register instead.

Unfortunately EDX had already been used by reg2297, so reloading into EDX
clobbered the value used by the reg2326 operand, breaking the program.

The fix for this is to check that the newly picked register is ok.  In this
case we now find that EDX is already used and try using EDI, which succeeds.

llvm-svn: 17006
 2004-10-15 03:19:31 +00:00
Chris Lattner
2c87b68231 This patch adds and improves debugging output. No functionality changes. 
llvm-svn: 17005
 2004-10-15 03:16:29 +00:00
Nate Begeman
d8183bd297 Better codegen of binary integer ops with 32 bit immediate operands. 
This transformation fires a few dozen times across the testsuite.

For example, int test2(int X) { return X ^ 0x0FF00FF0; }
Old:
_test2:
        lis r2, 4080
        ori r2, r2, 4080
        xor r3, r3, r2
        blr

New:
_test2:
        xoris r3, r3, 4080
        xori r3, r3, 4080
        blr

llvm-svn: 17004
 2004-10-15 00:50:19 +00:00
Misha Brukman
e05e5f0655 The field is called imm22', not simply imm' 
llvm-svn: 17003
 2004-10-14 22:33:32 +00:00
Misha Brukman
4932cb0e94 Synthetic instructions RET and RETL need to have all 3 parameters specified 
llvm-svn: 17002
 2004-10-14 22:32:49 +00:00
Misha Brukman
7b29a7bc80 Class F2_1 already inherits the imm22 field from class F2 
llvm-svn: 17001
 2004-10-14 22:32:24 +00:00
Misha Brukman
4e691d2adb Generate the SparcV8 code emitter from .td files 
llvm-svn: 17000
 2004-10-14 21:57:19 +00:00
Misha Brukman
5bc4009783 * In the F3_1 class, default asi to 0 because it's not currently used 
* In the F3_3 class, remove mention of asi because it's not part of the format

llvm-svn: 16999
 2004-10-14 21:53:39 +00:00
Misha Brukman
612011d3d5 * We don't use the ENABLE_*_JIT flags in the source base anymore 
* Convert references to Sparc to SparcV9 to clearly identify CPU type

llvm-svn: 16998
 2004-10-14 20:06:36 +00:00
Chris Lattner
7319d9289f Fix a bug John tracked down in libstdc++ where we were incorrectly deleting 
weak functions.  Thanks for finding this John!

llvm-svn: 16997
 2004-10-14 19:53:50 +00:00
Brian Gaeke
ce6dcb0713 Add FSTOI, FDTOI (fp to integer cast) instructions. 
llvm-svn: 16996
 2004-10-14 19:39:35 +00:00
Brian Gaeke
ba65401a4d Rewrite emitCastOperation, refactoring parts of it into emitIntegerCast, and 
adding emitFPToIntegerCast.

llvm-svn: 16995
 2004-10-14 19:39:34 +00:00
Brian Gaeke
31fa12ece7 Add list of libc procedures we'll use, at some point. 
Update list of currently failing tests.
ADJCALLSTACK* support is done.

llvm-svn: 16994
 2004-10-14 19:39:33 +00:00
Misha Brukman
2f43704b2e Use the shared Makefile.JIT for JIT-enablement, which also enables the examples 
to have the JIT functioning on more platforms than just x86

llvm-svn: 16993
 2004-10-14 19:02:13 +00:00
Misha Brukman
4043f35251 Use the shared Makefile.JIT for JIT-enablement 
llvm-svn: 16992
 2004-10-14 19:01:25 +00:00
Misha Brukman
6dcdc0f8a3 Add Makefile.JIT to the list of Makefiles transferred to the build dir to give 
tools and examples a simple way to JIT-enable themselves

llvm-svn: 16991
 2004-10-14 18:59:42 +00:00
Misha Brukman
cc9c5e67e3 Transfer Makefile.JIT into the build tree for JIT-enabling tools and examples 
llvm-svn: 16990
 2004-10-14 18:59:09 +00:00
Misha Brukman
86c8f92142 Since several tools and examples want JIT support, factor out the process of 
adding the right libs for any given architecture's JIT into a single place

llvm-svn: 16989
 2004-10-14 18:58:19 +00:00
Misha Brukman
e20eb48c53 Convert tabs to spaces 
llvm-svn: 16988
 2004-10-14 18:47:56 +00:00
Chris Lattner
44e34a155c Make sure any client of Dominators.h links in Dominators.cpp 
Patch by Morten Ofstad

llvm-svn: 16987
 2004-10-14 15:47:16 +00:00
Chris Lattner
df0849be71 Make sure any client of Dominators.h links in Dominators.cpp 
llvm-svn: 16986
 2004-10-14 15:46:59 +00:00
Chris Lattner
3fc5e3778f Do not use the same variable name for two different variables in the 
same scope.  This confused VC++ (and probably people too!).  Patch by
Morten Ofstad!

llvm-svn: 16985
 2004-10-14 14:59:16 +00:00
Chris Lattner
1bd3fdd438 Remove unneeded typedef, patch by Morten Ofstad 
llvm-svn: 16984
 2004-10-14 14:51:09 +00:00
Misha Brukman
66261f021d * Claim to support machine code emission - return false from 
addPassesToEmitMachineCode()
* Add support for registers and constants in getMachineOpValue()

This enables running "int main() { ret 0 }" via the PowerPC JIT.

llvm-svn: 16983
 2004-10-14 06:39:56 +00:00
Misha Brukman
628db67ac2 Enable the PowerPC JIT by compiling powerpc.o library into lli 
llvm-svn: 16982
 2004-10-14 06:35:11 +00:00
Misha Brukman
cb4130c28c * Include the real (generated) version of getBinaryCodeForInstr() 
* Add implementation of getMachineOpValue() for generated code emitter
* Convert assert()s in unimplemented functions to abort()s so that non-debug
  builds fail predictably
* Add file header comments

llvm-svn: 16981
 2004-10-14 06:07:25 +00:00
Misha Brukman
11d1764f74 * Make a PPC32-specific code emitter because we have separate classes for 32- 
and 64-bit code emitters that cannot share code unless we use virtual
  functions
* Identify components being built by tablegen with more detail by assigning them
  to PowerPC, PPC32, or PPC64 more specifically; also avoids seeing 'building
  PowerPC XYZ' messages twice, where one is for PPC32 and one for PPC64

llvm-svn: 16980
 2004-10-14 06:04:56 +00:00
Tanya Lattner
8a4773acb3 Checking in code that works on my simple test case. However, there is still a bug with branches that I need to fix. 
llvm-svn: 16979
 2004-10-14 06:04:28 +00:00
Misha Brukman
5e8bfd0675 There is only one field in an instruction, and that is `Inst', the final view of 
the instruction binary format, all others are simply operands and should not
have the `field' label

llvm-svn: 16978
 2004-10-14 05:55:37 +00:00
Misha Brukman
47c2236ae9 PowerPC instruction definitions use LittleEndian-style encoding [0..31] 
llvm-svn: 16977
 2004-10-14 05:54:38 +00:00
Misha Brukman
628b2ba095 Add isLittleEndianEncoding to InstrInfo class, defaults to `off' 
llvm-svn: 16976
 2004-10-14 05:53:40 +00:00
Misha Brukman
4e252ebfa0 * Factor out (into new fn) a loop emitting operand shifts into the instruction 
* Reverse instruction bit components for a LittleEndian-style encoding
* Fix some comments and spacing

llvm-svn: 16975
 2004-10-14 05:53:01 +00:00
Misha Brukman
a87a2029e4 * Add option to read isLittleEndianEncoding for InstrInfo classes 
* Doxygen-ify some function comments

llvm-svn: 16974
 2004-10-14 05:50:43 +00:00
Chris Lattner
88ad718c75 When converting phi nodes into select instructions, we shouldn't promote PHI 
nodes unless we KNOW that we are able to promote all of them.

This fixes: test/Regression/Transforms/SimplifyCFG/PhiNoEliminate.ll

llvm-svn: 16973
 2004-10-14 05:13:36 +00:00
Chris Lattner
b1f34a989b When converting phi nodes into select instructions, we shouldn't promote PHI 
nodes unless we KNOW that we are able to promote all of them.  In this case
promoting the phi to a select is silly because we will always have to do the
call conditionally.  As such, select promotion is actually a pessimization.

llvm-svn: 16972
 2004-10-14 05:12:50 +00:00
Reid Spencer
7689de0e49 Allow this file to compile on Darwin. 
llvm-svn: 16971
 2004-10-14 03:33:25 +00:00
Reid Spencer
d3c912a7b0 Use __MINGW instead of __MING. Patch contributed by Henrik Bach. 
llvm-svn: 16970
 2004-10-14 03:09:02 +00:00
Reid Spencer
86b05297be Get proper BSD #includes for MappedFile implementation. 
llvm-svn: 16969
 2004-10-14 03:06:59 +00:00
Reid Spencer
27ae06c1db Implementation of MappedFile for Win32. Patch provided by Jeff Cohen. 
llvm-svn: 16968
 2004-10-14 03:05:59 +00:00
Chris Lattner
ad57c9f54c Today is not my day. Fix broken # 
llvm-svn: 16967
 2004-10-14 02:31:35 +00:00
Chris Lattner
d2a5066c6a unbreak previous checkin :( 
llvm-svn: 16966
 2004-10-14 02:06:48 +00:00
Chris Lattner
93bfff6da2 Add back a missing paren 
llvm-svn: 16965
 2004-10-14 01:57:28 +00:00
Chris Lattner
aef5a2d78d Fit to 80 cols 
llvm-svn: 16964
 2004-10-14 01:49:34 +00:00
Chris Lattner
2ed4986e00 Wrap to 80 cols, delete some seriously old debugging printouts 
llvm-svn: 16963
 2004-10-14 01:46:07 +00:00
Chris Lattner
3f3d5aad47 Fit in 80 columns 
llvm-svn: 16962
 2004-10-14 01:39:18 +00:00
Chris Lattner
bdb8db1a40 Minor cleanups 
llvm-svn: 16961
 2004-10-14 01:35:17 +00:00
Chris Lattner
8dd656b17b Patch to make VS happier, thanks to Morten Ofstad for pointing this out. 
llvm-svn: 16956
 2004-10-13 15:25:46 +00:00
Chris Lattner
ae45589b0f Use explicit std:: qualification to avoid relying on Koenig lookup, which 
VC++ does not do properly.  Thanks to Morten Ofstad for the patch!

llvm-svn: 16955
 2004-10-13 15:11:23 +00:00
Chris Lattner
a4756fd6be Get rid of template templates that were preventing VC from compiling the 
set_intersect template.  Thanks to Morten Ofstad and Jeff Cohen for the
patch!

llvm-svn: 16954
 2004-10-13 15:09:21 +00:00
Reid Spencer
79843fb7d9 Changes for automake. 
llvm-svn: 16953
 2004-10-13 11:56:07 +00:00