Commit Graph

1423 Commits

Author SHA1 Message Date
Alkis Evlogimenos 4837f6c0d9 Another API change to MRegisterInfo::foldMemoryOperand. Instead of a
MachineBasicBlock::iterator take a MachineInstr*.

llvm-svn: 12392
2004-03-14 20:14:27 +00:00
Alkis Evlogimenos 48da2f8a6d Change MRegisterInfo::foldMemoryOperand to return the folded
instruction to make the API more flexible.

llvm-svn: 12386
2004-03-14 07:19:51 +00:00
Chris Lattner 699aa70f0c It helps if I save the file. :)
llvm-svn: 12357
2004-03-13 00:24:52 +00:00
Chris Lattner 071a5e5649 Rename the intrinsic enum values for llvm.va_* from Intrinsic::va_* to
Intrinsic::va*.  This avoid conflicting with macros in the stdlib.h file.

llvm-svn: 12356
2004-03-13 00:24:00 +00:00
Brian Gaeke 1694dafece Make -print-machineinstrs show us the code both before and after reg. alloc.
llvm-svn: 12344
2004-03-12 21:19:08 +00:00
Alkis Evlogimenos 9884bda541 Add support for a wider range of CMOV instructions.
llvm-svn: 12336
2004-03-12 17:59:56 +00:00
Chris Lattner 65a64e1e7a ADd support for select instructions
llvm-svn: 12316
2004-03-12 05:52:14 +00:00
Misha Brukman 505a0838f6 Move implementations of functions here, which avoids #including <cstdlib> in the
header file and all those who #include it.

llvm-svn: 12297
2004-03-11 23:52:43 +00:00
Brian Gaeke 14e98b9d96 Get rid of the abort in PhyRegAlloc::finishSavingState().
Make an explicit call to it from runOnFunction() if we know we're supposed to
write into the global. This is lame (esp. the const_cast), but it solves
the problem.

llvm-svn: 12291
2004-03-11 19:46:30 +00:00
Brian Gaeke c028910d25 Give pass a name
llvm-svn: 12290
2004-03-11 19:23:15 +00:00
Misha Brukman d313bdfa43 Fix compilation on Sparc: assert(0) => abort()
llvm-svn: 12289
2004-03-11 19:08:24 +00:00
Brian Gaeke 5935e0a002 In PhyRegAlloc::saveState(), dump Arguments' saved-state, and try to
make the output more compact.

Divorce state-saving from the doFinalization method; for some reason it's not
getting called when I want it to, at Reoptimizer time. Put the guts in
PhyRegAlloc::finishSavingState(). Put an abort() in it so that I can be really
really sure that it's getting called.

Update comments.

llvm-svn: 12286
2004-03-11 06:45:52 +00:00
Brian Gaeke 44a540e869 Remove ghostly directory from the build
llvm-svn: 12285
2004-03-11 04:42:41 +00:00
Brian Gaeke 0e09916d60 Move all the SaveState options and stuff inton one spot at the top of the file.
De-constify SaveStateToModule; we have to set both it and SaveRegAllocState
explicitly in the reoptimizer.
Make SaveRegAllocState an 'external location' option.

llvm-svn: 12278
2004-03-10 22:21:03 +00:00
Brian Gaeke f819263cc1 Only call verifySavedState if SaveRegAllocState is set AND debugging flag is on.
llvm-svn: 12277
2004-03-10 22:01:59 +00:00
Alkis Evlogimenos f234284986 Check if printing of implicit uses is required for all types of shift
instructions.

llvm-svn: 12258
2004-03-09 06:10:15 +00:00
Brian Gaeke 3a27bd889b Hmm, who left this sitting around in my tree
llvm-svn: 12255
2004-03-09 04:49:13 +00:00
Alkis Evlogimenos 8a3f2f3600 Differentiate between extended precision floats (80-bit) and double precision floats (64-bit)
llvm-svn: 12254
2004-03-09 03:37:54 +00:00
Alkis Evlogimenos 8ac958bf43 Use newly added API to emit bytes for instructions that gas misassembles
llvm-svn: 12253
2004-03-09 03:35:34 +00:00
Alkis Evlogimenos 508b459d12 Add emitInstruction() API so that we can get the bytes of a simple instruction
llvm-svn: 12252
2004-03-09 03:34:53 +00:00
Alkis Evlogimenos a7c2da3af5 Constify things a bit
llvm-svn: 12251
2004-03-09 03:30:12 +00:00
Brian Gaeke d734587436 Change PhyRegAlloc::saveStateForValue()'s arg type to deal with
AllocInfo.Instruction becoming an int.

llvm-svn: 12247
2004-03-08 23:22:03 +00:00
Brian Gaeke f0a73a3f42 Save argument list alloc state by recording it as the operands of Instruction
#-1. Other minor changes to deal with AllocInfo.Instruction becoming an int.

llvm-svn: 12246
2004-03-08 23:22:02 +00:00
Brian Gaeke 0be7ea7289 Make AllocInfo's Instruction an int, so that we can overload it for arguments.
(Instruction #-1's operands = argument list).

llvm-svn: 12245
2004-03-08 23:22:01 +00:00
Chris Lattner 98502aae76 Avoid allocating special registers a bit more robustly
llvm-svn: 12207
2004-03-08 03:48:07 +00:00
Chris Lattner 653e662a93 Implement folding explicit load instructions into binary operations. For a
testcase like this:

int %test(int* %P, int %A) {
        %Pv = load int* %P
        %B = add int %A, %Pv
        ret int %B
}

We now generate:
test:
        mov %ECX, DWORD PTR [%ESP + 4]
        mov %EAX, DWORD PTR [%ESP + 8]
        add %EAX, DWORD PTR [%ECX]
        ret

Instead of:
test:
        mov %EAX, DWORD PTR [%ESP + 4]
        mov %ECX, DWORD PTR [%ESP + 8]
        mov %EAX, DWORD PTR [%EAX]
        add %EAX, %ECX
        ret

... saving one instruction, and often a register.  Note that there are a lot
of other instructions that could use this, but they aren't handled.  I'm not
really interested in adding them, but mul/div and all of the FP instructions
could be supported as well if someone wanted to add them.

llvm-svn: 12204
2004-03-08 01:58:35 +00:00
Chris Lattner 1dd6afe6a2 Rearrange and refactor some code. No functionality changes.
llvm-svn: 12203
2004-03-08 01:18:36 +00:00
Alkis Evlogimenos d6f62ba55b Add memory operand version of conditional move.
llvm-svn: 12190
2004-03-07 03:19:11 +00:00
Brian Gaeke 4e0669cef0 Support return values of basic integer types.
Emit RETL instruction to return instead of funny JMPL.
Fix indentation.

llvm-svn: 12186
2004-03-06 05:32:28 +00:00
Brian Gaeke c65b97d4f6 Sort stanzas into Sparc V8 book page number order.
Add RET, RETL.  Rename SAVE, RESTORE & JMPL for consistency.

llvm-svn: 12185
2004-03-06 05:32:13 +00:00
Brian Gaeke 84b4c9208d Hack it so we do not try to allocate values to G0.
llvm-svn: 12184
2004-03-06 05:31:32 +00:00
Brian Gaeke 901cfa9e2e Make prolog align stack properly. Make epilog not touch any registers.
llvm-svn: 12183
2004-03-06 05:31:21 +00:00
Brian Gaeke 5a1c7a8be3 Emit register names in lowercase, as required by the assembler.
llvm-svn: 12182
2004-03-06 05:30:21 +00:00
Brian Gaeke 639b04aca3 Teach getRegClassForType where to find FP registers
llvm-svn: 12180
2004-03-06 03:54:13 +00:00
Brian Gaeke 0c76d1146f Asm output is looking a lot better; not correct for all operands yet though.
llvm-svn: 12143
2004-03-05 08:39:09 +00:00
Brian Gaeke 9c609df3c9 Support -print-machineinstrs
llvm-svn: 12124
2004-03-04 19:22:16 +00:00
Brian Gaeke 8351d8c1a8 make -print-machineinstrs work for both SparcV9 and X86
llvm-svn: 12122
2004-03-04 19:16:23 +00:00
Alkis Evlogimenos b9501c1f8c Add assertion for scale verification.
llvm-svn: 12120
2004-03-04 18:05:02 +00:00
Brian Gaeke 82ec4a561b Asm printer support, based on x86 - only prints mnemonics for now
llvm-svn: 12113
2004-03-04 06:00:41 +00:00
Brian Gaeke 8ace44fe0d Double-FP pseudo-registers.
llvm-svn: 12112
2004-03-04 05:15:03 +00:00
Brian Gaeke 92c95f812d Subtract instructions; minor cleanups
llvm-svn: 12111
2004-03-04 04:37:45 +00:00
Brian Gaeke d2e89190d9 Floating point regs
llvm-svn: 12110
2004-03-04 04:37:22 +00:00
Brian Gaeke 956fb06a4a Simple copyConstantToReg support, SETHIi and ORri
llvm-svn: 12107
2004-03-04 00:56:25 +00:00
Brian Gaeke 165ff998e0 Support add - note, still missing important copyConstantToRegister stuff
llvm-svn: 12106
2004-03-03 23:03:14 +00:00
Chris Lattner 93e9878c2c SPECIFY a target data to initialize the CBE target with. Until now we have
been using the default target data layout object to lower malloc instructions,
causing us to allocate more memory than we needed!  This could improve the
performance of the CBE generated code substantially!

llvm-svn: 12088
2004-03-03 02:14:15 +00:00
Chris Lattner 87ed2a4096 Add a new constructor
llvm-svn: 12087
2004-03-03 02:12:47 +00:00
Misha Brukman a6025e6480 Doxygenify some comments.
llvm-svn: 12064
2004-03-01 23:53:11 +00:00
Chris Lattner f96405a1ce Add this back, as its absence introduces assertions, and it seems to work now
that Instructions are annotable again

llvm-svn: 12045
2004-03-01 15:28:27 +00:00
Tanya Lattner e63e8ea884 fix bug in previous checkin
llvm-svn: 12044
2004-03-01 15:05:17 +00:00
Brian Gaeke 427cec1395 TargetCacheInfo has been removed; its only uses were to propagate a constant
(16) into certain areas of the SPARC V9 back-end. I'm fairly sure the US IIIi's
dcache has 32-byte lines, so I'm not sure where the 16 came from. However, in
the interest of not breaking things any more than they already are, I'm going
to leave the constant alone.

llvm-svn: 12043
2004-03-01 06:43:29 +00:00