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13663 Commits

Author SHA1 Message Date
Chris Lattner
00cb3fe786 wire up 64-bit MCCodeEmitter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95438 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 21:51:35 +00:00
Chris Lattner
be1778fea7 really kill off the last MRMInitReg inst, remove logic from encoder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95437 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 21:34:18 +00:00
Chris Lattner
28c1d29b09 lower the last of the MRMInitReg instructions in MCInstLower. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95435 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 21:30:49 +00:00
Chris Lattner
35e0e84f93 teach X86MCInstLower to lower the MOV32r0 and MOV8r0 
pseudo instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95433 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 21:21:06 +00:00
Chris Lattner
ff928976f8 genericize helpers, use them for MOV16r0/MOV64r0 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95432 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 21:15:57 +00:00
Chris Lattner
c74e333ecc factor code better in X86MCInstLower::Lower, teach it to 
lower the SETB* instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95431 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 21:13:48 +00:00
Chris Lattner
82ed17eb47 implement the rest of the encoding types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95414 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 19:37:31 +00:00
Chris Lattner
74a2151392 move functions for decoding X86II values into the X86II namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 19:24:13 +00:00
Chris Lattner
a62fe66f99 constant propagate a method away. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95408 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 19:20:30 +00:00
Chris Lattner
a3a0db0121 change getSizeOfImm and getBaseOpcodeFor to just take 
TSFlags directly instead of a TargetInstrDesc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95405 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 19:16:26 +00:00
Chris Lattner
daa4555793 add some more encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95403 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 19:04:37 +00:00
Johnny Chen
7acca6707b VMOVRRD and VMOVDRR both have Inst{7-6} = 0b00. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95397 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 18:04:58 +00:00
Chris Lattner
0e73c39c70 implement the non-relocation forms of memory operands 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95368 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 06:16:07 +00:00
Evan Cheng
5f94193b36 Handle tail call with byval arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95351 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 02:21:12 +00:00
Chris Lattner
1ac23b1038 start adding MRMDestMem, which requires memory form mod/rm encoding 
to start limping.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95350 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 02:18:40 +00:00
Chris Lattner
28249d98e1 Add a few more encodings, we can now encode all of: 
pushl	%ebp
	movl	%esp, %ebp
	movl	$42, %eax
	popl	%ebp
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95344 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-05 01:53:19 +00:00
Evan Phoenix
85bb54f964 Disable external stubs for X86-32 and X86-64 
Instruction selection for X86 now can choose an instruction
sequence that will fit any address of any symbol, no matter
the pointer width. X86-64 uses a mov+call-via-reg sequence
for this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95323 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-04 19:56:59 +00:00
Chris Lattner
7db21bdb7d move the PR6214 microoptzn to this file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95299 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-04 07:32:01 +00:00
Evan Cheng
1f2fda97b1 Re-enable x86 tail call optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95295 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-04 06:47:24 +00:00
Chris Lattner
87c06d6179 add support for the sparcv9-*-* target triple to turn on 
64-bit sparc codegen.  Patch by Nathan Keynes!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95293 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-04 06:34:01 +00:00
Evan Cheng
dcea16313d Indirect tail call has to go through a call preserved register since it's after callee register pops. X86 isel lowering is using EAX / R11 and it was somehow adding that to function live out. That prevented the real function return register from being added to the function live out list and bad things happen. 
This fixes 483.xalancbmk (with tail call opt).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95280 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-04 02:40:39 +00:00
Dale Johannesen
c4b94e02af Rewrite FP constant handling in DEBUG_VALUE yet 
again, so it more or less handles long double.
Restore \n removed in latest MC frenzy.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95271 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-04 01:33:43 +00:00
Chris Lattner
1e80f403e2 enhance new encoder to support prefixes + RawFrm 
instructions with no operands.  It can now handle

define void @test2() nounwind { ret void }



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95261 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:57:59 +00:00
Chris Lattner
92b1dfe5d8 set up some infrastructure, some minor cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95260 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:43:43 +00:00
Evan Cheng
8148ae8847 Speculatively disable x86 automatic tail call optimization while we track down a self-hosting issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95259 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:40:40 +00:00
Chris Lattner
4576247928 stub out a new X86 encoder, which can be tried with 
-enable-new-x86-encoder until its stable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95256 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:24:49 +00:00
Chris Lattner
ce79a25980 rename createX86MCCodeEmitter to more accurately reflect what it creates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95254 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:14:33 +00:00
Kevin Enderby
12ce0de462 Added support for X86 instruction prefixes so llvm-mc can assemble them. The 
Lock prefix, Repeat string operation prefixes and the Segment override prefixes.
Also added versions of the move string and store string instructions without the
repeat prefixes to X86InstrInfo.td. And finally marked the rep versions of
move/store string records in X86InstrInfo.td as isCodeGenOnly = 1 so tblgen is
happy building the disassembler files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95252 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 21:04:42 +00:00
Chris Lattner
beb42691b1 reapply r95206, this time actually delete the code I'm replacing in the third stub case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95209 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 06:42:38 +00:00
Chris Lattner
8427d2b0c6 revert r95206, it is apparently causing bootstrap failure on i386-darwin9 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95208 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 06:41:18 +00:00
Chris Lattner
ce2a725a72 make the x86 backend emit darwin stubs through mcstreamer 
instead of textually.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 06:21:16 +00:00
Chris Lattner
d269a6e460 make MachineModuleInfoMachO hold non-const MCSymbol*'s instead 
of const ones.  non-const ones aren't very useful, because you can't
even, say, emit them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95205 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 06:18:30 +00:00
Evan Cheng
86809ccdad Allow all types of callee's to be tail called. But avoid automatic tailcall if the callee is a result of bitcast to avoid losing necessary zext / sext etc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95195 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 03:28:02 +00:00
Chris Lattner
d26a80f666 don't emit \n's at the start of X86AsmPrinter::runOnMachineFunction, 
.o files don't like that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95187 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:49:49 +00:00
Chris Lattner
99d806186e rename printMachineInstruction -> EmitInstruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95184 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:41:03 +00:00
Chris Lattner
850d2e2a1b print instructions through the mcstreamer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95181 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:16:28 +00:00
Chris Lattner
db0273184b emit instructions through the streamer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95180 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:15:03 +00:00
Chris Lattner
c760be99db Finally eliminate printMCInst and send instructions through 
the streamer.  Demo:

$ cat t.ll 
define i32 @test() nounwind {
  ret i32 42
}
$ llc t.ll -o -
...
_test: 
	movl	$42, %eax
	ret
$ llc t.ll -o t.o -filetype=obj
$ otool -tv t.o 
t.o:
(__TEXT,__text) section
_test:
00000000	movl	$0x0000002a,%eax
00000005	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95179 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:13:25 +00:00
Chris Lattner
d1ff72b8a7 rejigger the world so that EmitInstruction prints the \n at 
the end of the instruction instead of expecting the caller to
do it.  This currently causes the asm-verbose instruction 
comments to be on the next line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95178 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:09:55 +00:00
Chris Lattner
0d883e3f84 sink handling of target-independent machine instrs (other 
than DEBUG_VALUE :(  ) into the target indep AsmPrinter.cpp
file.   This allows elimination of the 
NO_ASM_WRITER_BOILERPLATE hack among other things.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95177 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 01:00:52 +00:00
Dale Johannesen
b0e94241dd Print FPImm a less kludgy way; APFloat.toString seems 
to have some problems anyway.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95171 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-03 00:36:40 +00:00
Evan Cheng
90567c3560 ByVal frame object size should be that of the byval argument, not the size of the type which is just a pointer. This is not known to break stuff but is wrong nevertheless. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95163 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 23:58:13 +00:00
Jim Grosbach
985d45dea3 As of r79039, we still try to eliminate the frame pointer on leaf functions, 
even when -disable-fp-elim is specified.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95161 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 23:56:14 +00:00
Evan Cheng
022d9e1cef Revert 95130. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95160 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 23:55:14 +00:00
Dale Johannesen
9d73d78f45 Accept floating point immediates in DEBUG_VALUE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95159 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 23:54:23 +00:00
Daniel Dunbar
e7070e9006 AsmParser/X86: Add temporary hack to allow parsing "sal". Eventually we need 
some mechanism for specifying alternative syntaxes, but I'm not sure what form
that should take yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95158 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 23:46:47 +00:00
Chris Lattner
56591ab218 refactor code so that LLVMTargetMachine creates the asmstreamer and 
mccontext instead of having AsmPrinter do it.  This allows other 
types of MCStreamer's to be passed in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 23:37:42 +00:00
Chris Lattner
55fed86353 tidy some targets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95146 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 22:13:21 +00:00
Chris Lattner
7f89fdae34 remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95144 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 22:03:00 +00:00
Chris Lattner
fc89bc903c detemplatize the ppc code emitter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95142 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:55:58 +00:00
Chris Lattner
5335bce43d remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95141 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:52:03 +00:00
Chris Lattner
fce4aef806 add a definition for ID. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95140 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:49:29 +00:00
Chris Lattner
33fabd7cc1 detemplatize ARM code emitter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95138 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:48:51 +00:00
Daniel Dunbar
7b9147afa7 MCAsmParser/X86: Represent absolute memory operands as CodeGen does, with scale 
== 1.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95137 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:44:16 +00:00
Daniel Dunbar
1945e179e1 MCCodeEmitter/X86: Handle tied registers better when converting MCInst -> 
MCMachineInstr. This also fixes handling of tied registers for MRMSrcMem
instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95136 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:44:10 +00:00
Chris Lattner
e0faa54705 remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95134 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:38:59 +00:00
Chris Lattner
782ebe47bb detemplatize alpha code emission, it is now JIT specific. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95133 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:35:47 +00:00
Chris Lattner
f1d6b107d2 eliminate all the dead addSimpleCodeEmitter implementations. 
eliminate random "code emitter" stuff in Alpha, except for
the JIT path.  Next up, remove the template cruft.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95131 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:31:47 +00:00
Evan Cheng
942619695f Pass callsite return type to TargetLowering::LowerCall and use that to check sibcall eligibility. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95130 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:29:10 +00:00
Chris Lattner
211edae484 eliminate FileModel::Model, just use CodeGenFileType. The client 
of the code generator shouldn't care what object format a target
uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95124 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 21:06:45 +00:00
Chris Lattner
4db361395b remove the remnants of TargetMachOWriterInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95114 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 19:41:23 +00:00
Johnny Chen
9474d550ff Added t2BFI (Bitfield Insert) entry for disassembler, with blank pattern field. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95112 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 19:31:58 +00:00
Chris Lattner
6914b8611a remove PPCMachOWriterInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95111 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 19:23:55 +00:00
Evan Cheng
b2c9290a01 Perform sibcall in some cases when arguments are passes memory. Look for cases 
where callee's arguments are already in the caller's own caller's stack and
they line up perfectly. e.g.

extern int foo(int a, int b, int c);

int bar(int a, int b, int c) {
  return foo(a, b, c);
}


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95053 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-02 02:22:50 +00:00
Johnny Chen
92e63d817f MOVi16 should also be marked as a UnaryDP instruction, i.e., it doesn't have a 
Rn operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95025 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-01 23:06:04 +00:00
Evan Cheng
7276c8c2b5 Fix PR6196. GV callee may not be a function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95017 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-01 22:40:09 +00:00
Bruno Cardoso Lopes
9a720b0b0e MulOp is actually a Mips specific node, so do the match using Opcode. This fixes PR6192 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94977 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-01 12:16:39 +00:00
Evan Cheng
0a4fd46d9e Undo r94946 now all the tests are passing again. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94970 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-01 02:13:39 +00:00
Bruno Cardoso Lopes
bdef66bf7f Fix stack size bug while using o32 abi 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94969 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-01 02:03:24 +00:00
Johnny Chen
48d5ccf86a For MVNr and MVNs, we need to set Inst{25} = 0 so as not to confuse the decoder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94955 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-31 11:22:28 +00:00
Evan Cheng
aa92bec010 Change TAILJMP's to be varargs and transfer implicit uses over from TCRETURN's. Otherwise the missing uses can make post-regalloc scheduling do bad things. This fixes 403.gcc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94950 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-31 07:28:44 +00:00
Evan Cheng
e626b0f6b1 Fix a missing check from my last commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94949 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-31 07:27:31 +00:00
Evan Cheng
843bd699f6 Avoid recursive sibcall's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94946 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-31 06:44:49 +00:00
Eli Friedman
1144d7e3cc Remove a completed item, add a couple new ones. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94945 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-31 04:55:32 +00:00
Sean Callanan
894c1af05f Moved InstallLexer() from the X86-specific AsmLexer 
to the TargetAsmLexer class so that clients can
actually use the TargetAsmLexer they get from a
Target.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94940 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-31 02:28:18 +00:00
Bruno Cardoso Lopes
3ed6f876c8 Fix PR6144. Reload GP before the emission of CALLSEQ_END to guarantee the right reload order 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94915 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-30 18:32:07 +00:00
Bruno Cardoso Lopes
5e194602a4 Fix mov.d out register by using the FFR register class directly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94914 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-30 18:29:19 +00:00
Anton Korobeynikov
90cfc130d6 Fix a gross typo: ARMv6+ may or may not support unaligned memory operations. 
Even if they are suported by the core, they can be disabled
(this is just a configuration bit inside some register).

Allow unaligned memops on darwin and conservatively disallow them otherwise.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94889 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-30 14:08:12 +00:00
Evan Cheng
a6bff982c1 Allow more tailcall optimization: calls with inputs that are all passed in registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94873 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-30 01:22:00 +00:00
Evan Cheng
1d885c0ede Don't forget to transfer target flag when inserting a tailcall instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94872 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-30 01:16:15 +00:00
Daniel Dunbar
b834f5d13d MC/X86 AsmParser: Handle absolute memory operands correctly. We were doing 
something totally broken and parsing them as immediates, but the .td file also
had the wrong match class so things sortof worked. Except, that is, that we
would parse
  movl $0, %eax
as
  movl 0, %eax
Feel free to guess how well that worked.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94869 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-30 01:02:48 +00:00
Daniel Dunbar
728e5eb927 X86.td: Refactor to bring operands that use print_pcrel_imm together. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94861 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-30 00:24:12 +00:00
Daniel Dunbar
ec2b1f1beb AsmMatcher/X86: Separate out sublass for memory operands that have no segment 
register, and use to cleanup a FIXME in X86AsmParser.cpp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94859 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-30 00:24:00 +00:00
Johnny Chen
69a8c7f497 Modified encoding bits specification for VFP instructions. In particular, the D 
bit (Inst{22}) and the M bit (Inst{5}) should be left unspecified.  For binary
format instructions, Inst{6} and Inst{4} need to specified for proper decodings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94855 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-29 23:21:10 +00:00
Evan Cheng
6c2e8a9217 PPC is not ready for sibcall optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94853 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-29 23:05:56 +00:00
Dale Johannesen
973f46790f Add assertion to humor the paranoid. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94843 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-29 21:21:28 +00:00
Bob Wilson
3eb4f7e2dd Improve isSafeToLoadUnconditionally to recognize that GEPs with constant 
indices are safe if the result is known to be within the bounds of the
underlying object.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94829 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-29 19:19:08 +00:00
Evan Cheng
7096ae48c9 Catch more trivial tail call opportunities: no inputs and output types match. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94804 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-29 06:45:59 +00:00
Sean Callanan
95fcebd5c4 Added a custom TableGen backend to support the 
enhanced disassembler, and the necessary makefile
rules to build the table for X86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94764 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-29 00:21:04 +00:00
Benjamin Kramer
12ea66a727 Replace strcpy with memcpy when we have the length around anyway. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94746 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 18:04:38 +00:00
Chris Lattner
a34103f6fa convert the last 3 targets to use EmitFunctionBody() now that 
it has before/end body hooks.

 lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp |   49 ++-----------
 lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp   |   87 ++++++------------------
 lib/Target/XCore/AsmPrinter/XCoreAsmPrinter.cpp |   56 +++------------
 test/CodeGen/XCore/ashr.ll                      |    2 
 4 files changed, 48 insertions(+), 146 deletions(-)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94741 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 06:22:43 +00:00
Evan Cheng
5fef8bc1cb Fix a bug introduced by r94490 where it created a X86ISD::CMP whose output type is different from its inputs. 
This fixes PR6146.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94731 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 01:57:22 +00:00
Chris Lattner
a6086fc975 switch blackfin to the default runOnMachineFunction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94729 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 01:54:33 +00:00
Chris Lattner
08acebc511 eliminate a now-useless class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94728 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 01:50:22 +00:00
Chris Lattner
745ec06ad2 Switch MSP430, SPU, Sparc, and SystemZ to use EmitFunctionBody(). 
Diffstat:
 6 files changed, 30 insertions(+), 284 deletions(-)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94727 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 01:48:52 +00:00
Chris Lattner
d49fe1b6bc Give AsmPrinter the most common expected implementation of 
runOnMachineFunction, and switch PPC to use EmitFunctionBody.
The two ppc asmprinters now don't heave to define 
runOnMachineFunction.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94722 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 01:28:58 +00:00
Chris Lattner
a786ceac5c switch ARM to EmitFunctionBody(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94719 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 01:10:34 +00:00
Chris Lattner
14c38ec2af Remove the argument from EmitJumpTableInfo, because it doesn't need it. 
Move the X86 implementation of function body emission up to 
AsmPrinter::EmitFunctionBody, which works by calling the virtual
EmitInstruction method.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94716 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 01:02:27 +00:00
Chris Lattner
a2406190ca Drop the argument to AsmPrinter::EmitConstantPool and make it virtual. 
Overload it in the ARM backend to do nothing, since is does insane
constant pool emission.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94708 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 00:19:24 +00:00
Chris Lattner
80c062001e don't emit constant pools twice. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94706 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-28 00:15:18 +00:00