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8312ed6f77
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231 Commits

Author SHA1 Message Date
Evan Cheng
8312ed6f77 Change instruction description to split OperandList into OutOperandList and 
InOperandList. This gives one piece of important information: # of results
produced by an instruction.
An example of the change:
def ADD32rr  : I<0x01, MRMDestReg, (ops GR32:$dst, GR32:$src1, GR32:$src2),
                 "add{l} {$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;
=>
def ADD32rr  : I<0x01, MRMDestReg, (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
                 "add{l} {$src2, $dst|$dst, $src2}",
                 [(set GR32:$dst, (add GR32:$src1, GR32:$src2))]>;

llvm-svn: 40033
 2007-07-19 01:14:50 +00:00
Evan Cheng
30e121adf6 Only adjust esp around calls in presence of alloca. 
llvm-svn: 40028
 2007-07-19 00:42:05 +00:00
Evan Cheng
6a4fb5d62b Use MOV instead of LEA to restore ESP if callee-saved frame size is 0; if previous instruction updates esp, fold it in. 
llvm-svn: 40018
 2007-07-18 21:26:06 +00:00
Evan Cheng
cf0fdbc249 Fold prologue esp update when possible. 
llvm-svn: 39984
 2007-07-17 21:26:42 +00:00
Evan Cheng
26f6d71d26 Make sure not to break eh_return. 
llvm-svn: 39978
 2007-07-17 18:40:47 +00:00
Evan Cheng
46a48c5c3e Missed the case where alloca is used but the stack size (not including callee-saved portion) is zero. Thanks Dan. 
llvm-svn: 39974
 2007-07-17 18:03:34 +00:00
Evan Cheng
532b73311e Use push / pop for prologues and epilogues. 
llvm-svn: 39967
 2007-07-17 07:59:08 +00:00
Anton Korobeynikov
5635277c36 Long live the exception handling! 
This patch fills the last necessary bits to enable exceptions
handling in LLVM. Currently only on x86-32/linux.

In fact, this patch adds necessary intrinsics (and their lowering) which
represent really weird target-specific gcc builtins used inside unwinder.

After corresponding llvm-gcc patch will land (easy) exceptions should be
more or less workable. However, exceptions handling support should not be 
thought as 'finished': I expect many small and not so small glitches
everywhere.

llvm-svn: 39855
 2007-07-14 14:06:15 +00:00
Dan Gohman
928144b051 Define non-intrinsic instructions for vector min, max, sqrt, rsqrt, and rcp, 
in addition to the intrinsic forms. Add spill-folding entries for these new
instructions, and for the scalar min and max instrinsic instructions which
were missing. And add some preliminary ISelLowering code for using the new
non-intrinsic vector sqrt instruction, and fneg and fabs.

llvm-svn: 38478
 2007-07-10 00:05:58 +00:00
Dale Johannesen
9072b65b0b Refactor X87 instructions. As a side effect, all 
their names are changed.

llvm-svn: 37876
 2007-07-04 21:07:47 +00:00
Dale Johannesen
7af19491d3 Fix for PR 1505 (and 1489). Rewrite X87 register 
model to include f32 variants.  Some factoring
improvments forthcoming.

llvm-svn: 37847
 2007-07-03 00:53:03 +00:00
Anton Korobeynikov
7daaf71b29 More DWARF-related things cleanup: 
1. Fix PR1380
2. Apply Duncan's patch from PR1410
3. Insert workaround for "one personality function per module" as noted in PR1414
4. Emit correct debug frames for x86/linux. This partly fixes DebugInfo/2006-11-06-StackTrace.cpp: stack trace is
shown correctly, but arguments for function on top of stack are displayed incorrectly.

llvm-svn: 37015
 2007-05-12 22:36:25 +00:00
Anton Korobeynikov
44aa4c588b Emit correct register move information in eh frames for X86. This allows Shootout-C++/except to pass on x86/linux 
with non-llvm-compiled (e.g. "native") unwind runtime.

llvm-svn: 36647
 2007-05-02 19:53:33 +00:00
Anton Korobeynikov
d1bf4af988 Emit correct DWARF reg # for RA (return address) register 
llvm-svn: 36646
 2007-05-02 08:46:03 +00:00
Evan Cheng
e47ec4d104 eliminateFrameIndex() change. 
llvm-svn: 36626
 2007-05-01 09:13:03 +00:00
Evan Cheng
c6fa6cb4c5 Fix for PR1348. If stack inc / dec amount is > 32-bits, issue a series of add / sub instructions. 
llvm-svn: 36456
 2007-04-26 01:09:28 +00:00
Chris Lattner
fd730d86e3 do the multiplication as signed, so that 2*-2 == -4 instead of 4294967292 
when promoted to 64-bits

llvm-svn: 36442
 2007-04-25 17:23:53 +00:00
Chris Lattner
ca7480e8cb support for >4G stack frames 
llvm-svn: 36425
 2007-04-25 04:30:24 +00:00
Chris Lattner
452294cb99 support >4G stack frames 
llvm-svn: 36423
 2007-04-25 04:25:10 +00:00
Bill Wendling
54134a37e0 Add the PADDQ to the list. 
llvm-svn: 36406
 2007-04-24 21:19:14 +00:00
Chris Lattner
c7109ece27 rename X86FunctionInfo to X86MachineFunctionInfo to match the header file 
it is defined in.

llvm-svn: 36196
 2007-04-17 17:21:52 +00:00
Anton Korobeynikov
9bc4b792bf Implemented correct stack probing on mingw/cygwin for dynamic alloca's. 
Also, fixed static case in presence of eax livin. This fixes PR331

PS: Why don't we still have push/pop instructions? :)
llvm-svn: 36195
 2007-04-17 09:20:00 +00:00
Bill Wendling
a2eabd50c0 Changed to new MMX_ recipes. 
llvm-svn: 35617
 2007-04-03 06:18:31 +00:00
Evan Cheng
41f4f032ee Added MRegisterInfo hook to re-materialize an instruction. 
llvm-svn: 35205
 2007-03-20 08:09:38 +00:00
Bill Wendling
5fef3fd7e7 Added "padd*" support for MMX. Added MMX move stuff to X86InstrInfo so that 
moves, loads, etc. are recognized.

llvm-svn: 35031
 2007-03-08 22:09:11 +00:00
Evan Cheng
116f97f2c7 PEI now passes a RegScavenger ptr to eliminateFrameIndex. 
llvm-svn: 34707
 2007-02-28 00:21:17 +00:00
Evan Cheng
da51cf986a By default, spills kills the register being stored. 
llvm-svn: 34515
 2007-02-23 01:10:04 +00:00
Jim Laskey
6a937ad320 Support to provide exception and selector registers. 
llvm-svn: 34482
 2007-02-21 22:54:50 +00:00
Evan Cheng
e4ab9c032b Re-apply my liveintervalanalysis changes. Now with PR1207 fixes. 
llvm-svn: 34428
 2007-02-19 21:49:54 +00:00
Reid Spencer
b27fcf3482 For PR1207: 
Revert patches that caused the problem. Evan, please investigate and reapply
when you've discovered the problem.

llvm-svn: 34399
 2007-02-19 03:20:00 +00:00
Evan Cheng
8c2508f1ac Added getReservedRegs(). 
llvm-svn: 34376
 2007-02-17 11:06:00 +00:00
Jim Laskey
6f5d7d292f Only gather frame info if debug or eh. 
llvm-svn: 33639
 2007-01-29 23:20:22 +00:00
Jim Laskey
eba0cf04e5 Landing pad-less eh for PPC. 
llvm-svn: 33622
 2007-01-29 18:51:14 +00:00
Jim Laskey
64f4242072 Change the MachineDebugInfo to MachineModuleInfo to better reflect usage 
for debugging and exception handling.

llvm-svn: 33550
 2007-01-26 21:22:28 +00:00
Jim Laskey
23ed7d2625 Make LABEL a builtin opcode. 
llvm-svn: 33537
 2007-01-26 14:34:52 +00:00
Jim Laskey
ba1dc7a8c7 Call frames for intel. 
llvm-svn: 33490
 2007-01-24 19:15:24 +00:00
Jim Laskey
ebaec45158 80 columns 
llvm-svn: 33489
 2007-01-24 18:50:57 +00:00
Evan Cheng
b6a4a7f72a PEI is now responsible for adding MaxCallFrameSize to frame size and align the stack. Each target can further adjust the frame size if necessary. 
llvm-svn: 33460
 2007-01-23 09:38:11 +00:00
Evan Cheng
d9d93832b0 hasFP() is now a virtual method of MRegisterInfo. 
llvm-svn: 33455
 2007-01-23 00:57:47 +00:00
Evan Cheng
174826c1b9 One more try... 
llvm-svn: 33400
 2007-01-20 10:17:53 +00:00
Evan Cheng
672910d722 Last check-in was bogus. There is no need to align the stack if the function is a leaf function (and without alloca). 
llvm-svn: 33399
 2007-01-20 10:11:56 +00:00
Evan Cheng
5807fbc934 Backend is reponsible for aligning the stack. 
llvm-svn: 33388
 2007-01-20 02:08:16 +00:00
Anton Korobeynikov
548b9af9c2 * PIC codegen for X86/Linux has been implemented 
* PIC-aware internal structures in X86 Codegen have been refactored
* Visibility (default/weak) has been added
* Docs fixes (external weak linkage, visibility, formatting)

llvm-svn: 33136
 2007-01-12 19:20:47 +00:00
Anton Korobeynikov
2b39939053 Really big cleanup. 
- New target type "mingw" was introduced
- Same things for both mingw & cygwin are marked as "cygming" (as in
gcc)
- .lcomm is supported here, so allow LLVM to use it
- Correctly use underscored versions of setjmp & _longjmp for both mingw
& cygwin

llvm-svn: 32833
 2007-01-03 11:43:14 +00:00
Evan Cheng
bd6a333b52 Fix naming inconsistency. 
llvm-svn: 32823
 2007-01-02 21:33:40 +00:00
Evan Cheng
5effab79f3 f64 <-> i64 bit_convert using movq in 64-bit mode. 
llvm-svn: 32587
 2006-12-14 21:55:39 +00:00
Evan Cheng
9918e7780a Added MOVSS2DIrr and MOVDI2SSrr to foldMemeoryOperand(). 
llvm-svn: 32583
 2006-12-14 19:44:45 +00:00
Bill Wendling
f13d78d3b8 What should be the last unnecessary <iostream>s in the library. 
llvm-svn: 32333
 2006-12-07 22:21:48 +00:00
Evan Cheng
f4788fe306 MI keeps a ptr of TargetInstrDescriptor, use it. 
llvm-svn: 32296
 2006-12-07 01:21:59 +00:00
Evan Cheng
bf13611e84 Match TargetInstrInfo changes. 
llvm-svn: 32098
 2006-12-01 21:52:58 +00:00