4308baa0f1
Add FIXME notes for spilling int/fp regs (need to calculate stack space).
...
llvm-svn: 14581
2004-07-02 17:54:38 +00:00
f6d2471c5d
Fix use-before-def thinko
...
llvm-svn: 14570
2004-07-02 07:01:31 +00:00
55256dbf9b
Fix potential problems with unreachable basic blocks.
...
Also, while noone's looking, add support for constant expressions. Wait,
I said not to look!
llvm-svn: 14566
2004-07-02 05:49:11 +00:00
3594324248
Fix all of those problems that the PPC backend has running 176.gcc :)
...
llvm-svn: 14565
2004-07-02 05:48:42 +00:00
6c322ecc31
Remove dead blocks
...
llvm-svn: 14564
2004-07-02 05:46:41 +00:00
186e3d1098
Add M_TERMINATOR_FLAG to terminator instructions (branches and returns).
...
Also, the RETURN instructions are not used in the sparcv9 backend.
llvm-svn: 14559
2004-07-02 04:57:37 +00:00
fb894bd864
RETURN instructions are not used in the sparc backend.
...
When in doubt, stamp it out!!
llvm-svn: 14558
2004-07-02 04:57:35 +00:00
24a0371791
* Follow the PowerPC convention of leaving 24 bytes for linking on the stack.
...
* Also leave space for spilling integer registers (this should be calculated)
llvm-svn: 14554
2004-07-01 21:35:00 +00:00
d028593c6e
* Get rid of constant-expr handling code: we use the ConstantExpr lowering pass
...
* Use the SetCC handling code in the format of Brian's V8
* Add FIXMEs where calls to functions are being made without adding them to the
Module first... they cause missing symbols at assembly-time.
llvm-svn: 14553
2004-07-01 21:34:10 +00:00
1f3a7f0255
Wrap long line
...
llvm-svn: 14552
2004-07-01 21:27:59 +00:00
d575287551
* Do not allocate r0 as we use it indiscriminantly in the instr selector.
...
* Do not define CR register class because we don't (yet) have the i4 type
llvm-svn: 14551
2004-07-01 21:24:50 +00:00
fcc59bd0e0
Check if operand has an allocated reg before requesting it.
...
llvm-svn: 14550
2004-07-01 21:09:12 +00:00
18a08e702d
Handle targets where alignment can be bigger than the size of the data.
...
Contributed by Vladimir Prus!
llvm-svn: 14534
2004-07-01 17:32:59 +00:00
b9125f462d
Fix indentation to be 2 spaces.
...
llvm-svn: 14512
2004-06-30 22:11:03 +00:00
0648a903c7
* 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
llvm-svn: 14511
2004-06-30 22:00:45 +00:00
299fa1b147
* Allow more registers to be allocated from the general register pool
...
* Define the condition register class
llvm-svn: 14510
2004-06-30 21:54:50 +00:00
fee5a22f8a
* Inquire about the number of operands from the instruction directly
...
* Only check for a register if we are sure the instruction has one allocated
llvm-svn: 14509
2004-06-30 21:54:12 +00:00
04f07b4589
visitSetCondInst() takes a parameter of type `SetCondInst'
...
llvm-svn: 14508
2004-06-30 21:47:40 +00:00
2b9106f808
Always assume a function may have calls because the printer may add `bl' to get
...
the PC in a code sequence for global variables.
llvm-svn: 14506
2004-06-30 00:09:12 +00:00
351646f31e
* 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.
llvm-svn: 14505
2004-06-29 23:45:05 +00:00
c794feab51
* 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
llvm-svn: 14504
2004-06-29 23:40:57 +00:00
d409669877
Set up the prologue and epilogue to be more like the manual and GCC output.
...
llvm-svn: 14502
2004-06-29 23:38:26 +00:00
7454c6fff0
* Use LA instead of LWZ for LoadLoAddr
...
* Specify the isCall bit and caller-save registers for some call instrs
llvm-svn: 14501
2004-06-29 23:37:36 +00:00
5459dfb47b
Only allocate non-volatile registers R13-31 (for now).
...
llvm-svn: 14500
2004-06-29 23:35:32 +00:00
4efe3da794
Lower ConstantExpressions before the code generator.
...
llvm-svn: 14497
2004-06-29 23:33:20 +00:00
887fd23dfc
Fix associativity of parameters to assert(): now it actually makes sense.
...
llvm-svn: 14483
2004-06-29 19:43:20 +00:00
c968b87d94
Convert tabs to spaces.
...
llvm-svn: 14482
2004-06-29 19:28:53 +00:00
802403723b
* Fix saving LR in function prologue
...
* Adjust epilogue restore sequence to match the PowerPC documentation
llvm-svn: 14480
2004-06-29 17:14:42 +00:00
811f5c2c4c
Assembly syntax/comment fixes by Nate Begeman.
...
llvm-svn: 14479
2004-06-29 17:13:26 +00:00
c5f9b356af
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
llvm-svn: 14477
2004-06-29 07:20:16 +00:00
e6e1b48023
I believe that the code generator now properly handles dead basic blocks. If not,
...
this is a bug, and should be fixed.
llvm-svn: 14476
2004-06-29 07:17:12 +00:00
1a920d49f6
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.
llvm-svn: 14473
2004-06-29 00:14:38 +00:00
15c10883ff
Can't print out machine code before it is constructed.
...
llvm-svn: 14472
2004-06-28 21:16:57 +00:00
3aad397726
Fix the assembly opcode on LOADLoAddr, courtesy of Nate Begeman.
...
llvm-svn: 14470
2004-06-28 18:27:08 +00:00
767fa11096
Set isBranch and isTerminator bits on all branch instructions.
...
llvm-svn: 14469
2004-06-28 18:23:35 +00:00
2f0cda8b2a
Fix loading and storing PC-relative static variables, courtesy of Nate Begeman.
...
llvm-svn: 14468
2004-06-28 18:20:59 +00:00
75985d725c
No need to generate a lazy-linking stub for internal functions, they can be
...
resolved by the static linker.
llvm-svn: 14467
2004-06-28 18:03:37 +00:00
8455e0177b
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.
llvm-svn: 14466
2004-06-28 17:57:40 +00:00
9cb88aae40
Fix spacing around function arguments.
...
llvm-svn: 14463
2004-06-28 15:53:27 +00:00
81f67f60ec
Allow saving and restoring of double and float registers.
...
Allow copying of float registers.
llvm-svn: 14445
2004-06-27 22:59:56 +00:00
b3d33c7994
Add FITOS, FITOD, and F{ADD,SUB,MUL,DIV}{S,D}.
...
llvm-svn: 14444
2004-06-27 22:53:56 +00:00
187ff172b6
Support printing constant pool indices.
...
If we see an "unknown operand", abort so it's easier to fix it.
llvm-svn: 14441
2004-06-27 22:50:44 +00:00
c81b5a5331
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.
llvm-svn: 14440
2004-06-27 22:47:33 +00:00
6fb22cd7ef
There is no reason to print ValueType here
...
llvm-svn: 14425
2004-06-26 19:36:34 +00:00
c52ea2574d
Allow debugging machine instrs (by printout) before/after isel and regalloc
...
llvm-svn: 14416
2004-06-25 19:57:47 +00:00
26e36e5758
Combine several if stmts with returns into an if-then-elseif-else chain.
...
llvm-svn: 14414
2004-06-25 19:24:52 +00:00
c22fd9a6a5
Do not move any values into registers for a void return (there isn't anything).
...
llvm-svn: 14413
2004-06-25 19:04:27 +00:00
b5932a5708
Convert tabs to spaces.
...
llvm-svn: 14412
2004-06-25 18:45:07 +00:00
5dbf760e00
Fix opcode: no immediate in an `or r1, r2, r3' (all registers) instr.
...
llvm-svn: 14411
2004-06-25 18:36:53 +00:00
c56b66f504
* Be consistent about MachineBB labels and references to them in instr stream
...
* Use MachineBB's built-in numbering system instead of reinventing one
llvm-svn: 14408
2004-06-25 15:42:10 +00:00
Misha Brukman