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2421 Commits

Author SHA1 Message Date
Misha Brukman
d2d5df207a Fix indentation to be 2 spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14512 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-30 22:11:03 +00:00
Misha Brukman
c661c3001c * Coalesce the handy CALL* alias opcodes with the standard ones 
* Congregate more branch-and-link opcodes together
* Mark FP, CPR, and special registers as volatile across calls


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14511 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-30 22:00:45 +00:00
Misha Brukman
da7515a378 * Allow more registers to be allocated from the general register pool 
* Define the condition register class


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14510 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-30 21:54:50 +00:00
Misha Brukman
b9e8f97aef * Inquire about the number of operands from the instruction directly 
* Only check for a register if we are sure the instruction has one allocated


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14509 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-30 21:54:12 +00:00
Misha Brukman
ea09126414 visitSetCondInst() takes a parameter of type `SetCondInst' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14508 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-30 21:47:40 +00:00
Misha Brukman
ce76db9083 Always assume a function may have calls because the printer may add `bl' to get 
the PC in a code sequence for global variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14506 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-30 00:09:12 +00:00
Misha Brukman
14d8c7a6a0 * Don't save LR when outputting globals: it's already saved on the stack once 
for the function
* Registers aren't necessarily sequential wrt their enums, don't rely on it
  when emitting function arguments into sequential registers
* Remove X86-specific comments about AL/BL/AH/BH/EDX/etc
* Add an abort() for an unimplemented signed right shift
* The src operand for a GEP was never emitted!  Fixed.
* We can skip zero-valued GEP indices as they are no-ops.

"Hello, World!" now works.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14505 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:45:05 +00:00
Misha Brukman
61297ee118 * Stop using BBNumbering, we don't really need it 
* Only increment labelNumber once, because it's used by both Load{hi,lo}Addr
* There is no .bss section on PowerPC
* Use .align 2 instead of other random numbers


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14504 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:40:57 +00:00
Misha Brukman
cbcdb9c0a7 Set up the prologue and epilogue to be more like the manual and GCC output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14502 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:38:26 +00:00
Misha Brukman
5fa2b028b8 * Use LA instead of LWZ for LoadLoAddr 
* Specify the isCall bit and caller-save registers for some call instrs


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14501 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:37:36 +00:00
Misha Brukman
8ee0100880 Only allocate non-volatile registers R13-31 (for now). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14500 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:35:32 +00:00
Misha Brukman
60f35813fc Lower ConstantExpressions before the code generator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14497 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 23:33:20 +00:00
Misha Brukman
c1f901c589 Fix associativity of parameters to assert(): now it actually makes sense. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14483 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 19:43:20 +00:00
Misha Brukman
e8d8fb26a6 Convert tabs to spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14482 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 19:28:53 +00:00
Misha Brukman
e19ca38a32 * Fix saving LR in function prologue 
* Adjust epilogue restore sequence to match the PowerPC documentation


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14480 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 17:14:42 +00:00
Misha Brukman
218bec7bd3 Assembly syntax/comment fixes by Nate Begeman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14479 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 17:13:26 +00:00
Chris Lattner
1b17438aa8 The code generator should work with unreachable blocks. If not, then this 
is a bug that should be fixed in the code generator, not papered over with
the simplifycfg pass.  Eliminating this makes bugpoint much more useful


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14477 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 07:20:16 +00:00
Chris Lattner
23a53aa9c4 I believe that the code generator now properly handles dead basic blocks. If not, 
this is a bug, and should be fixed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14476 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 07:17:12 +00:00
Chris Lattner
8b486a114e Fix a regression from r1.224. In particular, codegen a cast from double -> 
float as a truncation by going through memory.  This truncation was being
skipped, which caused 175.vpr to fail after aggressive register promotion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14473 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-29 00:14:38 +00:00
Misha Brukman
7cd444082e Can't print out machine code before it is constructed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14472 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 21:16:57 +00:00
Misha Brukman
3905b57442 Fix the assembly opcode on LOADLoAddr, courtesy of Nate Begeman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14470 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 18:27:08 +00:00
Misha Brukman
b2edb443e0 Set isBranch and isTerminator bits on all branch instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14469 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 18:23:35 +00:00
Misha Brukman
7e5812cd17 Fix loading and storing PC-relative static variables, courtesy of Nate Begeman. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14468 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 18:20:59 +00:00
Misha Brukman
a6e58b3cfb No need to generate a lazy-linking stub for internal functions, they can be 
resolved by the static linker.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14467 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 18:03:37 +00:00
Misha Brukman
9c661c8e26 Do not set the `link' bit when branching to the first BB of a function, as it 
will cause an infinite loop.  The link bit is only used for calling functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14466 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 17:57:40 +00:00
Misha Brukman
bb4a90820c Fix spacing around function arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14463 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-28 15:53:27 +00:00
Brian Gaeke
6bd5551763 Allow saving and restoring of double and float registers. 
Allow copying of float registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14445 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-27 22:59:56 +00:00
Brian Gaeke
c53105c749 Add FITOS, FITOD, and F{ADD,SUB,MUL,DIV}{S,D}. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14444 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-27 22:53:56 +00:00
Brian Gaeke
8a0ae9e9ca Support printing constant pool indices. 
If we see an "unknown operand", abort so it's easier to fix it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14441 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-27 22:50:44 +00:00
Brian Gaeke
ec3227fe39 Trim whitespace. 
Support cast of ints (and narrower) to float and double.
Support cast double to double (using load and store).
Abort if we see a CallInst or SetCondInst with long/fp args, instead
of producing bad code.
Support add, sub, mul, div of float and double.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14440 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-27 22:47:33 +00:00
Chris Lattner
ea104df2b1 This class is no longer an annotation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14437 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-27 18:50:49 +00:00
Chris Lattner
4aa5b2affb Add a map of MachineCodeForInstruction objects to MachineFunctionInfo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14436 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-27 18:50:30 +00:00
Chris Lattner
159286d60d Make it obvious that this file is bad bad bad 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14432 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-27 18:21:20 +00:00
Chris Lattner
098648af6a There is no reason to print ValueType here 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14425 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-26 19:36:34 +00:00
Misha Brukman
34fa8714a4 Allow debugging machine instrs (by printout) before/after isel and regalloc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14416 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-25 19:57:47 +00:00
Misha Brukman
c6cc10f48f Combine several if stmts with returns into an if-then-elseif-else chain. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14414 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-25 19:24:52 +00:00
Misha Brukman
d47bbf7ce5 Do not move any values into registers for a void return (there isn't anything). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14413 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-25 19:04:27 +00:00
Misha Brukman
1cbb3ee75f Convert tabs to spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14412 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-25 18:45:07 +00:00
Misha Brukman
972569a22f Fix opcode: no immediate in an `or r1, r2, r3' (all registers) instr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14411 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-25 18:36:53 +00:00
Misha Brukman
2bf183c092 * Be consistent about MachineBB labels and references to them in instr stream 
* Use MachineBB's built-in numbering system instead of reinventing one


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14408 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-25 15:42:10 +00:00
Misha Brukman
22e12076e9 * Initialize the entire array statically, not member-at-a-time 
* Remove x86-specific comment re: intel vs. at&t assembly syntax


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14406 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-25 15:11:34 +00:00
Misha Brukman
9ecf3bf708 Fix bug in previous checkin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14405 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-25 14:57:19 +00:00
Misha Brukman
911afde4ae * Wrap long lines 
* Replace silent fall-through FIXME comments with an error to cerr and an abort
* No need to set size of statically initialized arrays


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14404 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-25 14:50:41 +00:00
Misha Brukman
179d97cfa3 Excise X86-specific comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14403 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-25 14:13:26 +00:00
Tanya Lattner
b140762a45 Made a fix so that you can print out MachineInstrs that belong to a MachineBasicBlock that is not yet attached to a MachineFunction. This change includes changing the third operand (TargetMachine) to a pointer for the MachineInstr::print function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14389 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-25 00:13:11 +00:00
Misha Brukman
75afe1f904 Add option to print out machine code before register allocation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14387 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-24 23:55:01 +00:00
Misha Brukman
f3e50bea06 Use DEBUG() guard for printing out debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14386 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-24 23:54:05 +00:00
Misha Brukman
e327e49913 Add a `break' in the switch/case statement between the int/fp sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14385 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-24 23:53:24 +00:00
Misha Brukman
7f484a5fff * Lowercase the register names 
* Parenthesize assert() expressions correctly
* Fix spacing around for() and if() statements


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14384 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-24 23:51:00 +00:00
Misha Brukman
f54ef97abc * LowercaseString moved to StringExtras.h 
* Wrap long line to 80 cols


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14382 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-06-24 23:38:20 +00:00