Commit Graph

13628 Commits

Author SHA1 Message Date
Dan Gohman
1797ed50f4 Rename the PerformTailCallOpt variable to GuaranteedTailCallOpt to reflect
its current purpose.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95564 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-08 20:27:50 +00:00
Johnny Chen
7edd8e38c4 Add VCMP (VFP floating-point compare without 'E' bit set) for disassembly purpose.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95560 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-08 19:41:48 +00:00
Johnny Chen
23401d6f8c Added VMOVRRS/VMOVSRR to ARMInstrVFP.td for disassembly purpose.
A8.6.331 VMOV (between two ARM core registers and two single-precision registers)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95548 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-08 17:26:09 +00:00
Torok Edwin
acf2a65786 Fix x86 JIT stub on MSVC.
Thanks to Kristaps Straupe for noticing the bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95537 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-08 08:37:27 +00:00
Bruno Cardoso Lopes
6059b8551d Add suport for VASTART on Mips.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95506 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-06 21:00:02 +00:00
Bruno Cardoso Lopes
b37a742333 First step towards varargs support in Mips:
- o32 cc must pass all arguments in A0...A3 and stack regardless
if its type (but respect the alignment).
- Store all variable arguments back to the caller stack.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95500 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-06 19:20:49 +00:00
Evan Cheng
00a99a3584 Run codegen dce pass for all targets at all optimization levels. Previously it's
only run for x86 with fastisel. I've found it being very effective in
eliminating some obvious dead code as result of formal parameter lowering
especially when tail call optimization eliminated the need for some of the loads
from fixed frame objects. It also shrinks a number of the tests. A couple of
tests no longer make sense and are now eliminated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95493 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-06 09:07:11 +00:00
Rafael Espindola
2f82ca904a Fix alignment on ppc linux. This fixes the build of crtend.o
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95477 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-06 03:32:21 +00:00
Evan Cheng
f22f9b35d6 Do not emit callseq instructions around sibcalls. This eliminated some unnecessary stack adjustments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95475 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-06 03:28:46 +00:00
Jakob Stoklund Olesen
570a4a5d9c Reintroduce the InlineHint function attribute.
This time it's for real! I am going to hook this up in the frontends as well.

The inliner has some experimental heuristics for dealing with the inline hint.
When given a -respect-inlinehint option, functions marked with the inline
keyword are given a threshold just above the default for -O3.

We need some experiments to determine if that is the right thing to do.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95466 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-06 01:16:28 +00:00
Bob Wilson
e6373eb826 Handle AddrMode6 (for NEON load/stores) in Thumb2's rewriteT2FrameIndex.
Radar 7614112.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95456 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-06 00:24:38 +00:00
Chris Lattner
8f60e4d679 fix incorrect encoding of SBB8mi that Kevin noticed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95448 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-05 22:56:11 +00:00
Chris Lattner
3f1118310e fix a case where we'd mis-encode fisttp because of an incorrect (and
redundant with a correct one) pattern that was added for the disassembler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95446 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-05 22:49:06 +00:00
Chris Lattner
faa75f6f6f add note.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95445 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-05 22:48:33 +00:00
Chris Lattner
39a612e6f9 port X86InstrInfo::determineREX over to the new encoder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95440 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-05 22:10:22 +00:00
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