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132 Commits

Author SHA1 Message Date
Jim Grosbach
8b988eb1d4 Add MC-inst handling for tPICADD 
llvm-svn: 114237
 2010-09-17 23:41:53 +00:00
Jim Grosbach
8ae5cfffdd Teach the (non-MC) instruction printer to use the cannonical names for push/pop, 
and shift instructions on ARM. Update the tests to match.

llvm-svn: 114230
 2010-09-17 22:36:38 +00:00
Jim Grosbach
6e477cd3d8 Hook up verbose asm comment printing for SOImm operands in MC printer 
llvm-svn: 114215
 2010-09-17 21:33:25 +00:00
Jim Grosbach
34a1adb4ea handle the upper16/lower16 target operand flags on symbol references for MC 
instruction lowering.

llvm-svn: 114191
 2010-09-17 18:25:25 +00:00
Jim Grosbach
23ac157064 expand PICLDR MC lowering to handle other PICLDR and PICSTR versions. 
llvm-svn: 114183
 2010-09-17 16:25:52 +00:00
Jim Grosbach
73f2f39001 MC-ization of the PICLDR pseudo. Next up, adding the other variants 
(PICLDRB, et. al.) and PICSTR*

llvm-svn: 114098
 2010-09-16 17:43:25 +00:00
Bob Wilson
622f0a7592 Remove support for "dregpair" operand modifier, now that it is no longer being 
used for anything.

llvm-svn: 114067
 2010-09-16 04:55:00 +00:00
Jim Grosbach
2699e92c0e move getRegisterNumbering() to out of ARMBaseRegisterInfo into the helper 
functions in ARMBaseInfo.h so it can be used in the MC library as well.
For anything bigger than this, we may want a means to have a small support
library for shared helper functions like this. Cross that bridge when we
come to it.

llvm-svn: 114016
 2010-09-15 20:26:25 +00:00
Jim Grosbach
a43d109cb3 Add predicate and 's' bit operands to PICADD instruction lowering. 
llvm-svn: 113860
 2010-09-14 21:28:17 +00:00
Jim Grosbach
6ade4ae68d fix comment typo 
llvm-svn: 113856
 2010-09-14 21:05:34 +00:00
Jim Grosbach
bb3bfa20e1 Remove trailing whitespace 
llvm-svn: 112790
 2010-09-02 01:02:06 +00:00
Bob Wilson
31d487d235 Change ARM VFP VLDM/VSTM instructions to use addressing mode #4, just like 
all the other LDM/STM instructions.  This fixes asm printer crashes when
compiling with -O0.  I've changed one of the NEON tests (vst3.ll) to run
with -O0 to check this in the future.

Prior to this change VLDM/VSTM used addressing mode #5, but not really.
The offset field was used to hold a count of the number of registers being
loaded or stored, and the AM5 opcode field was expanded to specify the IA
or DB mode, instead of the standard ADD/SUB specifier.  Much of the backend
was not aware of these special cases.  The crashes occured when rewriting
a frameindex caused the AM5 offset field to be changed so that it did not
have a valid submode.  I don't know exactly what changed to expose this now.
Maybe we've never done much with -O0 and NEON.  Regardless, there's no longer
any reason to keep a count of the VLDM/VSTM registers, so we can use
addressing mode #4 and clean things up in a lot of places.

llvm-svn: 112322
 2010-08-27 23:18:17 +00:00
Bob Wilson
985dab611d Rename sat_shift operand to shift_imm, in preparation for using it for other 
instructions besides saturate instructions.  No functional changes.

llvm-svn: 111168
 2010-08-16 18:27:34 +00:00
Johnny Chen
78345b1dfe Cleaned up the for-disassembly-only entries in the arm instruction table so that 
the memory barrier variants (other than 'SY' full system domain read and write)
are treated as one instruction with option operand.

llvm-svn: 110951
 2010-08-12 20:46:17 +00:00
Bob Wilson
3582107cf8 Move the ARM SSAT and USAT optional shift amount operand out of the 
instruction opcode.  This also fixes part of PR7792.

llvm-svn: 110875
 2010-08-11 23:10:46 +00:00
Bob Wilson
214b004717 ARM "rrx" shift operands do not have an immediate. PR7790. 
llvm-svn: 110292
 2010-08-05 00:34:42 +00:00
Devang Patel
53e2e4feae Implement target specific getDebugValueLocation(). 
llvm-svn: 110267
 2010-08-04 22:39:39 +00:00
Bob Wilson
58c8a5da9e Move newlines before inline jumptables from the asm strings in .td files to 
the jtblock_operand print methods.  This avoids extra newlines in the
disassembler's output.  PR7757.

llvm-svn: 109948
 2010-07-31 06:28:10 +00:00
Bob Wilson
bd1dc153a5 Add the __TEXT,__StaticInit section to the list of sections emitted at the 
beginning on ARM Darwin assembly files so that it won't be placed after
debug sections.  Radar 8252813.

llvm-svn: 109879
 2010-07-30 19:55:47 +00:00
Jim Grosbach
489d758ea8 For ARM/Darwin, add a dwarf entry indicating whether a function is arm or thumb 
rdar://8202967

llvm-svn: 109057
 2010-07-21 23:03:52 +00:00
Chris Lattner
9ae74337ef sink the arm implementations of ASmPrinter and MCInstLower 
out of the AsmPrinter directory into libarm.  Now the
ARM InstPrinters depend jsut on the MC stuff, not on vmcore
or codegen.

llvm-svn: 108783
 2010-07-19 23:44:46 +00:00
Anton Korobeynikov
4b6a6e3e8d Move ARM to pluggable asmprinter 
llvm-svn: 54889
 2008-08-17 13:55:10 +00:00
Anton Korobeynikov
8d77445753 Handle visibility printing with all generality. Remove bunch of duplicate code. 
llvm-svn: 54540
 2008-08-08 18:25:07 +00:00
Evan Cheng
804e157031 Undo most of r54519. 
llvm-svn: 54534
 2008-08-08 17:56:50 +00:00
Evan Cheng
4708df4776 It's not legal to output a GV in a coalesced section if it's used in an ARM PIC relative constantpool. 
llvm-svn: 54519
 2008-08-08 06:56:16 +00:00
Anton Korobeynikov
0c8d06f030 Switch ARM to new section handling stuff 
llvm-svn: 54458
 2008-08-07 09:54:23 +00:00
Dale Johannesen
11d39779a1 Emit debug info for data-only files. ARM version. 
llvm-svn: 53360
 2008-07-09 21:20:54 +00:00
Evan Cheng
f51c436a1b Back out 53254. It broke ppc debug info codegen. 
llvm-svn: 53280
 2008-07-09 06:36:53 +00:00
Dale Johannesen
d609d7166c Make debug info come out in data-only files. 
This is a question of the debugging setup code not
being called at the right time, and it's called from
target-dependent code for some reason.  I have only
attempted to fix Darwin, but I'm pretty sure it's
broken elsewhere; I'll leave that to people who can
test it.

llvm-svn: 53254
 2008-07-08 21:56:22 +00:00
Dan Gohman
7fb6670108 Minor const-correctness fixes. 
llvm-svn: 53196
 2008-07-07 20:06:06 +00:00
Dale Johannesen
e6977495aa Handle quoted names when constructing $stub's, 
$non_lazy_ptr's and $lazy_ptr's.

llvm-svn: 51277
 2008-05-19 21:38:18 +00:00
Evan Cheng
f8b1257d2e Add a quick and dirty "loop aligner pass". x86 uses it to align its loops to 16-byte boundaries. 
llvm-svn: 47703
 2008-02-28 00:43:03 +00:00
Bill Wendling
50f5c4be14 Change "Name" to "AsmName" in the target register info. Gee, a refactoring tool 
would have been a Godsend here!

llvm-svn: 47625
 2008-02-26 21:11:01 +00:00
Chris Lattner
d55c26a77d Handle \n's in value names for more targets. The asm printers 
really really really need refactoring :(

llvm-svn: 47171
 2008-02-15 19:04:54 +00:00
Dale Johannesen
4621e574c9 __DATA not __DATA__ is the right segment name on darwin. 
Spotted by Nick Kledzik.

llvm-svn: 47037
 2008-02-12 23:35:09 +00:00
Dan Gohman
cabaec582f Rename MRegisterInfo to TargetRegisterInfo. 
llvm-svn: 46930
 2008-02-10 18:45:23 +00:00
Evan Cheng
f61d1115af Get rid of the annoying blank lines before labels. 
llvm-svn: 46667
 2008-02-02 08:39:46 +00:00
Bill Wendling
5b6f587a80 If the function has no machine instructions, then emit a "nop" so that 
the function label isn't associated with something it shouldn't be.

llvm-svn: 46449
 2008-01-28 09:15:03 +00:00
Dale Johannesen
a54401ee30 Honor explicit section information on Darwin. 
llvm-svn: 46267
 2008-01-23 00:58:14 +00:00
Dale Johannesen
0e1328e880 Revert the part of 45849 that treated weak globals 
as weak globals rather than commons.  While not wrong,
this change tickled a latent bug in Darwin's strip,
so revert it for now as a workaround.

llvm-svn: 46147
 2008-01-17 23:36:04 +00:00
Dale Johannesen
83852e3451 Weak zeroes don't go in bss on Darwin. 
llvm-svn: 45849
 2008-01-11 01:59:45 +00:00
Chris Lattner
9e5cc35593 Add new shorter predicates for testing machine operands for various types: 
e.g. MO.isMBB() instead of MO.isMachineBasicBlock().  I don't plan on 
switching everything over, so new clients should just start using the 
shorter names.

Remove old long accessors, switching everything over to use the short
accessor: getMachineBasicBlock() -> getMBB(), 
getConstantPoolIndex() -> getIndex(), setMachineBasicBlock -> setMBB(), etc.

llvm-svn: 45464
 2007-12-30 23:10:15 +00:00
Chris Lattner
12477d46b4 Use MachineOperand::getImm instead of MachineOperand::getImmedValue. Likewise setImmedValue -> setImm 
llvm-svn: 45453
 2007-12-30 20:49:49 +00:00
Chris Lattner
ad9a6ccb83 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Evan Cheng
7d8deec92f Much improved pic jumptable codegen: 
Then:
        call    "L1$pb"
"L1$pb":
        popl    %eax
		...
LBB1_1: # entry
        imull   $4, %ecx, %ecx
        leal    LJTI1_0-"L1$pb"(%eax), %edx
        addl    LJTI1_0-"L1$pb"(%ecx,%eax), %edx
        jmpl    *%edx

        .align  2
        .set L1_0_set_3,LBB1_3-LJTI1_0
        .set L1_0_set_2,LBB1_2-LJTI1_0
        .set L1_0_set_5,LBB1_5-LJTI1_0
        .set L1_0_set_4,LBB1_4-LJTI1_0
LJTI1_0:
        .long    L1_0_set_3
        .long    L1_0_set_2

Now:
        call    "L1$pb"
"L1$pb":
        popl    %eax
		...
LBB1_1: # entry
        addl    LJTI1_0-"L1$pb"(%eax,%ecx,4), %eax
        jmpl    *%eax

		.align  2
		.set L1_0_set_3,LBB1_3-"L1$pb"
		.set L1_0_set_2,LBB1_2-"L1$pb"
		.set L1_0_set_5,LBB1_5-"L1$pb"
		.set L1_0_set_4,LBB1_4-"L1$pb"
LJTI1_0:
        .long    L1_0_set_3
        .long    L1_0_set_2

llvm-svn: 43924
 2007-11-09 01:32:10 +00:00
Lauro Ramos Venancio
f5081ba980 [ARM] Fix code generation for: 
static __thread struct {
    int a;
    int b;
} teste = {0, 0};

llvm-svn: 43722
 2007-11-05 18:33:37 +00:00
Duncan Sands
d1bdbd010b Eliminate the remaining uses of getTypeSize. This 
should only effect x86 when using long double.  Now
12/16 bytes are output for long double globals (the
exact amount depends on the alignment).  This brings
globals in line with the rest of LLVM: the space
reserved for an object is now always the ABI size.
One tricky point is that only 10 bytes should be
output for long double if it is a field in a packed
struct, which is the reason for the additional
argument to EmitGlobalConstant.

llvm-svn: 43688
 2007-11-05 00:04:43 +00:00
Evan Cheng
33df6a6bed Revert 42908 for now. 
llvm-svn: 42960
 2007-10-14 05:57:21 +00:00
Dan Gohman
a75e4a62e6 Change the names used for internal labels to use the current 
function symbol name instead of a codegen-assigned function
number.

Thanks Evan! :-)

llvm-svn: 42908
 2007-10-12 14:53:36 +00:00
Dan Gohman
30ba45b569 Use empty() member functions when that's what's being tested for instead 
of comparing begin() and end().

llvm-svn: 42585
 2007-10-03 19:26:29 +00:00