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1867 Commits

Author SHA1 Message Date
Misha Brukman
3e3d141a92 Shorts are aligned to 2 bytes, bools to 1 byte (in structs). 
llvm-svn: 15048
 2004-07-20 20:59:57 +00:00
Misha Brukman
6283677946 Treat external variables similarly to those with weak linkage: load indirect. 
llvm-svn: 15047
 2004-07-20 20:43:05 +00:00
Misha Brukman
f47940855d Differentiate between global and weak symbol loads 
llvm-svn: 15037
 2004-07-20 15:52:25 +00:00
Misha Brukman
fe769110a0 * Differentiate between global and weak symbol loads 
* Fix functions that take more than 32 bytes of args
* Alignment of doubles in structs is 4 bytes, not 8
* Fix passing long args: rN = hi, rN+1 = lo
* Rewrite signed divide
* Rewrite Intrinsic::returnaddress

Patch courtesy of Nate Begeman.

llvm-svn: 15036
 2004-07-20 15:51:37 +00:00
Misha Brukman
5b5aff390a Differentiate between global and weak symbol loads 
llvm-svn: 15035
 2004-07-20 15:45:27 +00:00
Misha Brukman
1942534307 Double alignment in structs is 4 bytes, not 8. Patch by Nate Begeman. 
llvm-svn: 15034
 2004-07-20 15:43:25 +00:00
Misha Brukman
0a12f91274 Fix stack frame layout in prologue/epilogue. Patch courtesy of Nate Begeman. 
llvm-svn: 15026
 2004-07-20 02:23:09 +00:00
Misha Brukman
6baf9045f6 Move handing of GlobalValues from getReg() to copyConstantToRegister(), this 
will avoid extra register-to-register copies.  Thanks to Chris for the idea.

llvm-svn: 15019
 2004-07-20 00:59:38 +00:00
Misha Brukman
bec77933fa * Fn args passed in registers are now recorded as used by the call instruction 
`-> asm printer updated to not print out those registers with the call instr

All of Shootout tests now work.  Great thanks to Nate Begeman for the patch!

llvm-svn: 15015
 2004-07-20 00:42:19 +00:00
Misha Brukman
fdc633a29b * cFP class split into cFP32 and cFP64 
* Fn args passed in registers are now recorded as used by the call instruction
`-> asm printer updated to not print out those registers with the call instr
* Stack frame layout in prolog/epilog fixed, spills and vararg fns now work
* float/double to signed int codegen now correct
* various single precision float codegen bugs fixed
* const integer multiply codegen fixed
* select and setcc blocks inserted into the correct place in machine CFG
* load of integer constant code optimized

All of Shootout tests now work.  Great thanks to Nate Begeman for the patch!

llvm-svn: 15014
 2004-07-20 00:41:46 +00:00
Chris Lattner
e8b9b58454 While I'm at it, don't break codegen of mul by 3,5,9. 
llvm-svn: 15013
 2004-07-19 23:50:57 +00:00
Chris Lattner
f668465840 Generate better code for multiplies by negative constants like -4, -1, -9, etc. 
llvm-svn: 15012
 2004-07-19 23:47:21 +00:00
Reid Spencer
0bdb3605c7 bug 122: 
Simplify a conditional operator for a constant result from
GV->isNullValue()

llvm-svn: 15001
 2004-07-19 13:25:02 +00:00
Chris Lattner
7cdfccd573 Inline 4 methods 
llvm-svn: 15000
 2004-07-19 07:52:35 +00:00
Chris Lattner
8eb32809bc Fix infinite loop 
llvm-svn: 14971
 2004-07-18 18:45:01 +00:00
Chris Lattner
c62e642a1a CPR Fixes 
llvm-svn: 14961
 2004-07-18 07:29:35 +00:00
Chris Lattner
b56b3b5eeb CPR fixes 
llvm-svn: 14960
 2004-07-18 07:26:17 +00:00
Reid Spencer
7f33869f9b bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage

llvm-svn: 14953
 2004-07-18 00:44:37 +00:00
Reid Spencer
14243817ec bug 122: 
- Replace ConstantPointerRef usage with GlobalValue usage
- Minimize redundant isa<GlobalValue> usage
- Correct isa<Constant> for GlobalValue subclass

llvm-svn: 14950
 2004-07-18 00:38:32 +00:00
Reid Spencer
2610477ab2 bug 122: 
- Correct isa<Constant> for GlobalValue subclass

llvm-svn: 14949
 2004-07-18 00:37:35 +00:00
Chris Lattner
9bcf258cc3 Make sure to emit the immediate byte for instructions like: 
shrd [mem], reg, imm

This fixes the jit-ls failure on 186.crafty.

llvm-svn: 14914
 2004-07-17 20:26:14 +00:00
Chris Lattner
d7905d828b Reserve the correct amt of space. 
llvm-svn: 14913
 2004-07-17 20:24:05 +00:00
Misha Brukman
c52cf4db44 We don't really need to #include IPO.h into this file. 
llvm-svn: 14911
 2004-07-17 18:37:46 +00:00
Misha Brukman
36bf6aa37c * Use LI(S) to copy constants into registers intead of ADDI(S) as the latter is 
a funky way to "use" R0 for a 0-valued operand
* Add IMPLICIT_DEFs for incoming function arguments via registers to help the
  register allocator not clobber those registers
* Implement comparisons with longs
* Teach emitSelectOperation() to fold the SetCC operation

Patch contributed by Nate Begeman

llvm-svn: 14901
 2004-07-16 21:06:24 +00:00
Misha Brukman
3a720bbeaa * Store all non-volatile int registers R13-31 on the stack, restore on exit 
* Fix comment formatting

llvm-svn: 14900
 2004-07-16 20:55:20 +00:00
Misha Brukman
2fd8a66d40 Fix code formatting 
llvm-svn: 14899
 2004-07-16 20:54:25 +00:00
Misha Brukman
d2ddc81a25 Implement PowerPCInstrInfo::isMoveInstr(), patch by Nate Begeman 
llvm-svn: 14898
 2004-07-16 20:51:55 +00:00
Misha Brukman
2bfd750278 Add prototype for TargetInstrInfo::isMoveInstr() 
llvm-svn: 14897
 2004-07-16 20:50:55 +00:00
Misha Brukman
468900296b * Enable allocation of registers r2-r10 
* Allocate registers 13-31 backwards (to be able to store them all at once)

llvm-svn: 14896
 2004-07-16 20:35:20 +00:00
Misha Brukman
f93e5532d5 Add IMPLICIT_DEFS pseudo-instruction; patch by: Nate Begeman 
llvm-svn: 14895
 2004-07-16 20:33:41 +00:00
Misha Brukman
4b944fcdf9 The generated instruction selector isn't (yet) functional 
llvm-svn: 14894
 2004-07-16 20:31:13 +00:00
Misha Brukman
c3c9dc04ac * Output non-lazy linking stubs for external global variables 
* Get rid of dead and #if 0'd code
* Minor for loop speed-up: save end iterator instead of querying every time

llvm-svn: 14893
 2004-07-16 20:29:04 +00:00
Misha Brukman
0d35548f37 Define double alignment as 8 bytes now that assert(DoubleAlignment == PointerSize) 
has been eliminated

llvm-svn: 14891
 2004-07-16 19:32:12 +00:00
Misha Brukman
0a92212542 * Add spaces between words and numbers in comments printed out for longs/floats 
* Print out IMPLICIT_DEFS as comments in the assembly, patch by Nate Begeman

llvm-svn: 14890
 2004-07-16 19:01:13 +00:00
Misha Brukman
dffcb6ec61 Fix grammar. 
llvm-svn: 14888
 2004-07-16 17:40:28 +00:00
Brian Gaeke
b2af4f47b6 Add a class for pseudo-instructions. Use it. 
Add IMPLICIT_USE and IMPLICIT_DEF, a la X86.

llvm-svn: 14884
 2004-07-16 10:32:10 +00:00
Brian Gaeke
ec53196516 Add what will eventually be the TSFlags. Big switch(opcode) statements are bad. 
llvm-svn: 14883
 2004-07-16 10:31:59 +00:00
Brian Gaeke
0d262c839f Add special handling for pseudo-instructions (print them as comments). 
llvm-svn: 14882
 2004-07-16 10:31:47 +00:00
Brian Gaeke
11c7052fb5 Add to-do list. 
llvm-svn: 14881
 2004-07-16 10:31:36 +00:00
Brian Gaeke
53dc31efcd Do IMPLICIT_DEFs on incoming args' hard regs, to avoid confusing the regalloc. 
Support single-fp incoming args.
Support single-fp outgoing args ('call' operands).
Support double-fp return values.

llvm-svn: 14880
 2004-07-16 10:31:25 +00:00
Chris Lattner
60fb3d60a8 The powerpc is now gone. However it is now just known as the Skeleton target. 
llvm-svn: 14877
 2004-07-16 07:14:34 +00:00
Chris Lattner
9fa6dd88db Build the skeleton target 
llvm-svn: 14875
 2004-07-16 07:11:53 +00:00
Chris Lattner
d7e3eac718 Initial checkin of the rest of the skeleton target 
llvm-svn: 14874
 2004-07-16 07:11:15 +00:00
Chris Lattner
e06b3075f2 Initial skeleton tablegen files 
llvm-svn: 14873
 2004-07-16 06:29:19 +00:00
Chris Lattner
dc42265d57 Add skeleton makefile 
llvm-svn: 14872
 2004-07-16 06:20:55 +00:00
Chris Lattner
a413633d66 Initial readme 
llvm-svn: 14871
 2004-07-16 06:12:28 +00:00
Chris Lattner
9b03d18729 IA64 compat 
llvm-svn: 14867
 2004-07-16 00:08:28 +00:00
Chris Lattner
36f2a4eb77 Nuke a clearly bogus assertion 
llvm-svn: 14854
 2004-07-15 07:44:34 +00:00
Chris Lattner
b9ec0b791c Revert stuff that I didn't mean to checkin 
llvm-svn: 14844
 2004-07-15 02:33:38 +00:00
Chris Lattner
c4888ccda7 Patches towards fixing PR341 
llvm-svn: 14841
 2004-07-15 02:14:30 +00:00