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2722 Commits

Author SHA1 Message Date
Evan Cheng
fa00feb7f8 Stop inventing new words. :-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42429 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 01:35:02 +00:00
Evan Cheng
8decf6bc18 Pessimisively assume ADJCALLSTACKDOWN / ADJCALLSTACKUP (which becomes sub / add) clobbers EFLAGS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42426 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-28 01:19:48 +00:00
Dan Gohman
82482944ed TargetAsmInfo::getAddressSize() was incorrect for x86-64 and 64-bit targets 
other than PPC64. Instead of fixing it, just remove it and fix all the
places that use it to use TargetData::getPointerSize() instead, as there
aren't very many. Most of the references were in DwarfWriter.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42419 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 23:12:31 +00:00
Evan Cheng
3f2d9ec186 Use GR64 in 64-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42417 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 21:50:05 +00:00
Evan Cheng
1ed37fdb3b Doh. Calls clobber EFLAGS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42413 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 19:01:55 +00:00
Evan Cheng
ff11026575 - Added MRegisterInfo::getCrossCopyRegClass() hook. For register classes where reg to reg copies are not possible, this returns another register class which registers in the specified register class can be copied to (and copy back from). 
- X86 copyRegToReg() now supports copying between EFLAGS and GR32 / GR64 registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42372 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:31:07 +00:00
Evan Cheng
bf4f89dc00 Some assemblers do not recognize aliases pushfd, pushfq, popfd, and popfq. Just emit them as pushf and popf. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42371 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:28:00 +00:00
Dale Johannesen
2f42901dff Enable codegen for long double abs, sin, cos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42368 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:10:55 +00:00
Evan Cheng
8d5562be30 Typos: POPQ -> POPFQ, POPD -> POPFD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42348 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 06:38:29 +00:00
Chris Lattner
1efa1696e3 move PR1160 here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42347 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 06:29:31 +00:00
Evan Cheng
9efce638d3 Allow copyRegToReg to emit cross register classes copies. 
Tested with "make check"!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42346 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 06:25:56 +00:00
Chris Lattner
61001b8bd4 move PR1264 here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42345 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 06:15:48 +00:00
Evan Cheng
2f245ba572 Add pushf{d|q}, popf{d|q} to push and pop EFLAGS register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42335 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 01:29:06 +00:00
Evan Cheng
1a35edba13 translateX86CC updates the last two operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42333 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 00:45:55 +00:00
Anton Korobeynikov
29be8486e3 Correctly restore stack pointer after realignment in main() on Cygwin/Mingw32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42332 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 00:13:34 +00:00
Evan Cheng
fdd0837448 Missing load / store folding entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42323 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 22:10:43 +00:00
Anton Korobeynikov
2fe1259d0a Partly revert invalid r41774 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42322 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 21:52:30 +00:00
Dan Gohman
677ccc6e8b More explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42316 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 20:27:06 +00:00
Dan Gohman
b94fc1bcb2 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42313 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 19:37:26 +00:00
Evan Cheng
4e4d2d7d9a New style x87 cmp instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42312 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 19:08:02 +00:00
Dan Gohman
a37c9f7506 When both x/y and x%y are needed (x and y both scalar integer), compute 
both results with a single div or idiv instruction. This uses new X86ISD
nodes for DIV and IDIV which are introduced during the legalize phase
so that the SelectionDAG's CSE can automatically eliminate redundant
computations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42308 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 18:23:27 +00:00
Dan Gohman
c3b0b5ca1d Move the setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand) and 
the check to see if the assembler supports .loc from X86TargetLowering
into the superclass TargetLowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42297 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 15:10:49 +00:00
Evan Cheng
0488db9b99 Added support for new condition code modeling scheme (i.e. physical register dependency). These are a bunch of instructions that are duplicated so the x86 backend can support both the old and new schemes at the same time. They will be deleted after 
all the kinks are worked out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42285 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 01:57:46 +00:00
Dale Johannesen
48d1e4517e When mixing SSE and x87 codegen, it's possible to 
have situations where an SSE instruction turns into
multiple blocks, with the live range of an x87
register crossing them.  To do this correctly make
sure we examine all blocks when inserting
FP_REG_KILL.  PR 1697.  (This was exposed by my
fix for PR 1681, but the same thing could happen
mixing x87 long double with SSE.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42281 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-24 22:52:39 +00:00
Dan Gohman
a5a403d766 Add support on x86 for having Legalize lower ISD::LOCATION to ISD::DEBUG_LOC 
instead of ISD::LABEL with a manual .debug_line entry when the assembler
supports .file and .loc directives.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42278 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-24 21:54:14 +00:00
Dan Gohman
6b5766e27c Fix the syntax for the .loc directive in preparation for using it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42268 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-24 19:25:06 +00:00
Dan Gohman
5e6e93ecdc The code that used the StartLabelId label was removed, so remove the 
code that creates the label too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42265 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-24 16:44:26 +00:00
Chris Lattner
9b4baf1692 claim that "st" is from the 80-bit register file. This causes x87-using inline 
asm to die with:

ScheduleDAG.cpp:269: failed assertion `false && "Couldn't find the register class"'

instead of:
failed assertion `RegMap->getRegClass(VReg) == RC && "Register class of operand and regclass of use don't agree!"'

yay.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42259 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-24 05:27:37 +00:00
Dale Johannesen
f1fc3a8fa6 Fix PR 1681. When X86 target uses +sse -sse2, 
keep f32 in SSE registers and f64 in x87.  This
is effectively a new codegen mode.
Change addLegalFPImmediate to permit float and
double variants to do different things.
Adjust callers.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42246 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-23 14:52:20 +00:00
Rafael Espindola
a37ac9ff53 Don't add a default STACK_ALIGN (use the generic ABI alignment) 
Implement calls to functions with byval arguments on X86


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42192 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-21 15:50:22 +00:00
Rafael Espindola
1242d28093 small cleanup: use LowerMemArgument in LowerFastCCArguments also 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42189 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-21 14:55:38 +00:00
Evan Cheng
76a4023096 Honor user-defined section specification of a global, ignores whether its initializer is null. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42182 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-21 00:41:19 +00:00
Dan Gohman
a4ddacf60b Fix several more entries in the x86 reload/remat folding tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42162 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-20 14:17:21 +00:00
Dale Johannesen
41de436ca3 another long double buglet 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42159 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-20 01:27:54 +00:00
Dale Johannesen
73328d14ac More long double fixes. x86_64 should build now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42155 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 23:55:34 +00:00
Evan Cheng
fab7eff0fa PSHUFDmi, etc. are actually folding a load, not a store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42147 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 19:02:47 +00:00
Evan Cheng
dcfa73fe3c Set CCR (EFLAGS) copy cost to -1, i.e. extremely expensive to copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42124 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 01:36:39 +00:00
Dan Gohman
869b2b2c23 Move the entries for 64-bit CMP, IMUL, and a few others into the correct 
tables so that they are eligible for reload/remat folding. And add
entries for JMP and CALL.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42094 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-18 14:59:14 +00:00
Dale Johannesen
ca8035e356 Remove RSTRegClass case from loadRegFromStackSlot 
and storeRegToStackSlot.  Evan and I concluded this
should never be needed and it appears to be true.
(It if is needed, adjustment would be needed for
long double to work.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42049 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-17 20:15:38 +00:00
Evan Cheng
7d6ff3a25d X86ISD::TEST is dead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42037 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-17 17:42:53 +00:00
Dan Gohman
a0a7c1de9c Add 64-bit jmp instructions to the list of instructions that 
can terminate a block with no fall-through.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42029 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-17 15:19:08 +00:00
Dan Gohman
959062475d Use xorl instead of xorq to enter a zero into a 64-bit register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42027 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-17 14:55:08 +00:00
Dan Gohman
5f6913cecd Emit integer x<1 as x<=0, as comparisons with zero (now includeing 
64-bit) can use test instead of cmp with an immediate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42026 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-17 14:49:27 +00:00
Dan Gohman
11f7bfbb83 Use "test reg,reg" in place of "cmp reg,0" for 64-bit operands. This was 
previously only done for 32-bit and smaller operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42024 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-17 14:35:24 +00:00
Bill Wendling
bd626b885f Follow-up to patch r41999. Make the conditional that emits the personality stub 
match the conditional that turns on exception handling emittion in the asm
printer.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42008 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-16 19:21:08 +00:00
Bill Wendling
656ab16c56 Only emit the personality function as a global value if the backend actually 
supports it. This solves this error on the Darwin x86-64 platform:

$ cat testcase.ii
struct A {
  A();
};

A *bork() {
  return new A;
}
$ llvm-g++ -arch x86_64 -c testcase.ii
/var/tmp//cc3U8fd8.s:52:unknown section type: non_lazy_symbol_pointers
/var/tmp//cc3U8fd8.s:52:Rest of line ignored. 1st junk character valued 76 (L).
/var/tmp//cc3U8fd8.s:53:Unknown pseudo-op: .indirect_symbol
/var/tmp//cc3U8fd8.s:53:Rest of line ignored. 1st junk character valued 95 (_).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41999 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-16 10:36:17 +00:00
Dan Gohman
e47f1f9633 Add patterns for SHLD64* and SHRD64*. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41975 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 23:17:45 +00:00
Dale Johannesen
9e3d3abd93 Remove the assumption that FP's are either float or 
double from some of the many places in the optimizers
it appears, and do something reasonable with x86
long double.
Make APInt::dump() public, remove newline, use it to
dump ConstantSDNode's.
Allow APFloats in FoldingSet.
Expand X86 backend handling of long doubles (conversions
to/from int, mostly).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41967 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 22:26:36 +00:00
Evan Cheng
24f2ea3971 Add implicit def of EFLAGS on those instructions that may modify flags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41962 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 21:48:26 +00:00
Dan Gohman
92dfe2001e Remove isReg, isImm, and isMBB, and change all their users to use 
isRegister, isImmediate, and isMachineBasicBlock, which are equivalent,
and more popular.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41958 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 20:33:02 +00:00