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706 Commits

Author SHA1 Message Date
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
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
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
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
Rafael Espindola
7effac5475 Add support for functions with byval arguments on x86 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41953 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-14 15:48:13 +00:00
Dale Johannesen
3f6eb7419d Add APInt interfaces to APFloat (allows directly 
access to bits).  Use them in place of float and
double interfaces where appropriate.
First bits of x86 long double constants handling 
(untested, probably does not work).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41858 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-11 18:32:33 +00:00
Duncan Sands
f7331b3dd7 Fold the adjust_trampoline intrinsic into 
init_trampoline.  There is now only one
trampoline intrinsic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41841 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-11 14:10:23 +00:00
Dale Johannesen
43421b3dd7 Next round of APFloat changes. 
Use APFloat in UpgradeParser and AsmParser.
Change all references to ConstantFP to use the
APFloat interface rather than double.  Remove
the ConstantFP double interfaces.
Use APFloat functions for constant folding arithmetic
and comparisons.
(There are still way too many places APFloat is
just a wrapper around host float/double, but we're
getting there.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41747 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-06 18:13:44 +00:00
Anton Korobeynikov
3825262399 Reapply r41578 with proper fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41680 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-03 00:36:06 +00:00
Rafael Espindola
1b5dcc34b7 Initial support for calling functions with byval arguments on x86-64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41643 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 15:06:30 +00:00
Dale Johannesen
eaf089430e Enhance APFloat to retain bits of NaNs (fixes oggenc). 
Use APFloat interfaces for more references, mostly
of ConstantFPSDNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41632 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-31 04:03:46 +00:00
Dale Johannesen
f04afdbb48 Change LegalFPImmediates to use APFloat. 
Add APFloat interfaces to ConstantFP, SelectionDAG.
Fix integer bit in double->APFloat conversion.
Convert LegalizeDAG to use APFloat interface in
ConstantFPSDNode uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41587 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 00:23:21 +00:00
Duncan Sands
ee46574931 Move getX86RegNum into X86RegisterInfo and use it 
in the trampoline lowering.  Lookup the jump and
mov opcodes for the trampoline rather than hard
coding them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41577 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-29 19:01:20 +00:00
Rafael Espindola
44c8265cf8 Add a comment about using libc memset/memcpy or generating inline code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41502 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 17:48:26 +00:00
Rafael Espindola
6b83b5d1ae call libc memcpy/memset if array size is bigger then threshold. 
Coping 100MB array (after a warmup) shows that glibc 2.6.1 implementation on
x86-64 (core 2) is 30% faster (from 0.270917s to 0.188079s)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41479 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 10:18:20 +00:00
Chris Lattner
48884cd80b rename isOperandValidForConstraint to LowerAsmOperandForConstraint, 
changing the interface to allow for future changes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41384 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 00:47:38 +00:00
Rafael Espindola
21485be444 Partial implementation of calling functions with byval arguments: 
*) The needed information is propagated to the DAG
 *) The X86-64 backend detects it and aborts


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41179 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-20 15:18:24 +00:00
Anton Korobeynikov
a2780e11ef Move ReturnAddrIndex variable to X86MachineFunctionInfo structure. This fixed 
hard to catch bugs with retaddr lowering


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41104 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-15 17:12:32 +00:00
Evan Cheng
12914380ed Fix a typo pointd out by Maarten ter Huurne. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41059 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-13 23:27:11 +00:00
Christopher Lamb
c59e52108b Increase efficiency of sign_extend_inreg by using subregisters for truncation. As the README suggests sign_extend_subreg is selected to (sext(trunc)). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41010 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 21:48:46 +00:00
Rafael Espindola
594d37e21a propagate struct size and alignment of byval arguments to the DAG 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40986 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 14:44:42 +00:00
Dale Johannesen
5411a3937f long double 9 of N. This finishes up the X86-32 bits 
(constants are still not handled).  Adds ConvertActions
to control fp-to-fp conversions (these are currently
defaulted for all other targets, so no changes there).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40958 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-09 01:04:01 +00:00
Dale Johannesen
a996d52e37 Long double patch 7 of N, unless I lost count:). 
Last x87 bits for full functionality (not
thoroughly tested, and long doubles do not work
in SSE modes at all - use -mcpu=i486 for now)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40886 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-07 01:17:37 +00:00
Dale Johannesen
59a587337e Long double patch 4 of N: initial x87 implementation. 
Lots of problems yet but some simple things work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40847 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-05 18:49:15 +00:00
Dan Gohman
7f55fcbc6b Fix the alignment requirements of several unpck and shuf instructions. 
Generalize isPSHUFDMask and add a unary SHUFPD pattern so that SHUFPD's
memory operand alignment can be tested as well, with a fix to avoid
breaking MMX's use of isPSHUFDMask.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40756 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 21:17:01 +00:00
Evan Cheng
5278784621 Can't handle offset and scale if rip-relative addressing is to be used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40703 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 23:46:47 +00:00
Evan Cheng
4ebcc8c2f8 This isn't safe when there are uses of load's chain result. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40617 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 06:21:44 +00:00
Duncan Sands
b116fac90f Trampoline codegen support for X86-32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40566 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-27 20:02:49 +00:00
Dan Gohman
d300622eba Re-apply 40504, but with a fix for the segfault it caused in oggenc: 
Make the alignedload and alignedstore patterns always require 16-byte
alignment. This way when they are used in the "Fs" instructions, in which
a vector instruction is used for a scalar purpose, they can still require
the full vector alignment. And add a regression test for this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40555 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-27 17:16:43 +00:00
Evan Cheng
3e22947d9a Reverting 40504 for now. It's breaking oggenc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40547 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-27 01:37:47 +00:00
Dan Gohman
d3283832aa Remove X86ISD::LOAD_PACK and X86ISD::LOAD_UA and associated code from the 
x86 target, replacing them with the new alignment attributes on memory
references.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40504 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-26 00:31:09 +00:00
Dan Gohman
a394117bc0 Use movaps to load a v4f32 build_vector of all-constant values into a 
register instead of loading each element individually.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40478 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-24 22:55:08 +00:00
Dan Gohman
275769a77a Fix some uses of dyn_cast to be uses of cast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40443 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-23 20:24:29 +00:00
Evan Cheng
d4d01b71a7 Fix custom lowering of SSE FXOR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40071 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-19 23:36:01 +00:00
Anton Korobeynikov
2365f51ed0 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39855 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-14 14:06:15 +00:00
Dan Gohman
2038252c6a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38478 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-10 00:05:58 +00:00
Anton Korobeynikov
4304bcc1ed Proper flag __alloca call 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37923 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-05 20:36:08 +00:00
Dale Johannesen
e377d4d142 Refactor X87 instructions. As a side effect, all 
their names are changed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37876 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-04 21:07:47 +00:00
Dale Johannesen
849f214a4e Fix for PR 1505 (and 1489). Rewrite X87 register 
model to include f32 variants.  Some factoring
improvments forthcoming.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37847 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-03 00:53:03 +00:00
Evan Cheng
a72cb0ea09 No vector fneg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37786 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-29 00:18:15 +00:00
Evan Cheng
0db5862cb8 Type of vector extract / insert index operand should be iPTR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37784 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-29 00:01:20 +00:00
Dan Gohman
7f32156bb9 Generalize MVT::ValueType and associated functions to be able to represent 
extended vector types. Remove the special SDNode opcodes used for pre-legalize
vector operations, and the special MVT::Vector type used with them. Adjust
lowering and legalize to work with the normal SDNode kinds instead, and to
use the normal MVT functions to work with vector types instead of using the
two special operands that the pre-legalize nodes held.

This allows pre-legalize and post-legalize DAGs, and the code that operates
on them, to be more consistent. Pre-legalize vector operators can be handled
more consistently with scalar operators. And, -view-dag-combine1-dags and
-view-legalize-dags now look prettier for vector code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37719 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-25 16:23:39 +00:00
Dan Gohman
ea859be53c Move ComputeMaskedBits, MaskedValueIsZero, and ComputeNumSignBits from 
TargetLowering to SelectionDAG so that they have more convenient
access to the current DAG, in preparation for the ValueType routines
being changed from standalone functions to members of SelectionDAG for
the pre-legalize vector type changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37704 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-22 14:59:07 +00:00
Chris Lattner
52387be1e0 If a function is vararg, never pass inreg arguments in registers. Thanks to 
Anton for half of this patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37641 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-19 00:13:10 +00:00
Evan Cheng
49892af264 Look for VECTOR_SHUFFLE that's identity operation on either LHS or RHS. This can happen before DAGCombiner catches it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37636 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-19 00:02:56 +00:00
Bill Wendling
a9e64f6f2d Revert patch. It regresses: 
define double @test2(i64 %A) {
   %B = bitcast i64 %A to double
   ret double %B
}

$ llvm-as < t.ll | llc -march=x86-64

before:

         .align  4
         .globl  _test2
_test2:
         movd %rdi, %xmm0
         ret

after:

_test2:
         subq $8, %rsp
         movq %rdi, (%rsp)
         movsd (%rsp), %xmm0
         addq $8, %rsp
         ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37617 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-16 23:57:15 +00:00
Bill Wendling
e81369f2a5 Fix a failure to bit_convert from integer GPR to MMX register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37611 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-16 06:17:31 +00:00
Dan Gohman
51eaa86758 Rename MVT::getVectorBaseType to MVT::getVectorElementType. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37579 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-14 22:58:02 +00:00
Chris Lattner
fdbe720416 fix x86-64 mmx calling convention for real, which passes in integer gprs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37534 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-09 05:08:10 +00:00
Chris Lattner
6b7c21cc30 fix mmx handling bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37533 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-09 05:01:50 +00:00
Dan Gohman
237898ac1f Add explicit qualification for namespace MVT members. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37320 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 14:33:05 +00:00
Dan Gohman
fa0f77d9b7 Use MVT::FIRST_VECTOR_VALUETYPE and MVT::LAST_VECTOR_VALUETYPE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37234 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-18 18:44:07 +00:00
Evan Cheng
213d2cf94f Fix a bogus check that prevented folding VECTOR_SHUFFLE to UNDEF; add an optimization to fold VECTOR_SHUFFLE to a zero vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37173 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 18:45:50 +00:00
Chris Lattner
07c70cd866 This is the correct fix for PR1427. This fixes mmx-shuffle.ll and doesn't 
cause other regressions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37160 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 17:13:13 +00:00
Anton Korobeynikov
f840202953 Revert patch for PR1427. It breaks almost all vector tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37159 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 07:50:14 +00:00
Chris Lattner
da66472ea6 Fix PR1427 and test/CodeGen/X86/mmx-shuffle.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37141 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-17 03:29:42 +00:00
Chris Lattner
709fd414e2 fix subtle bugs in inline asm operand selection 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37065 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-15 01:28:08 +00:00
Chris Lattner
dc43a88b81 Fix two classes of bugs: 
1. x86 backend rejected (&gv+c) for the 'i' constraint when in static mode.
  2. the matcher didn't correctly reject and accept some global addresses.
     the right predicate is GVRequiresExtraLoad, not "relomodel = pic".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36670 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-03 16:52:29 +00:00
Anton Korobeynikov
ce3b46552a 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36647 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-02 19:53:33 +00:00
Bill Wendling
2f9bb1a0a4 Support for the special case of a vector with the canonical form: 
vector_shuffle v1, v2, <2, 6, 3, 7>

I.e.

         vector_shuffle v, undef, <2, 2, 3, 3>

MMX only has a shuffle for v4i16 vectors. It needs to use the unpackh for
this type of operation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36403 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-24 21:16:55 +00:00
Lauro Ramos Venancio
7d2cc2b983 X86 TLS: fix and optimize the implementation of "initial exec" model. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36355 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-22 22:50:52 +00:00
Lauro Ramos Venancio
2c5c111b6c X86 TLS: Implement review feedback. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36318 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-21 20:56:26 +00:00
Lauro Ramos Venancio
b3a0417cad Implement "general dynamic", "initial exec" and "local exec" TLS models for 
X86 32 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36283 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 21:38:10 +00:00
Anton Korobeynikov
e060b5385f Add comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36213 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 19:34:00 +00:00
Chris Lattner
d15dff24c6 rename X86FunctionInfo to X86MachineFunctionInfo to match the header file 
it is defined in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36196 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 17:21:52 +00:00
Anton Korobeynikov
57fc00d5cf 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? :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36195 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-17 09:20:00 +00:00
Anton Korobeynikov
bed2946a96 Removed tabs everywhere except autogenerated & external files. Add make 
target for tabs checking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36146 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-16 18:10:23 +00:00
Chris Lattner
6c284d716e Fix mmx paddq, add support for the 'y' register class, though it isn't tested. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35940 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 04:14:49 +00:00
Chris Lattner
eb8c74ddf2 remove some dead hooks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35845 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-09 23:31:19 +00:00
Chris Lattner
b445d0cbb9 remove some dead target hooks, subsumed by isLegalAddressingMode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35840 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-09 22:27:04 +00:00
Chris Lattner
0f65cad57f move a bunch of register constraints from being handled by 
getRegClassForInlineAsmConstraint to being handled by
getRegForInlineAsmConstraint.  This allows us to let the llvm register allocator
allocate, which gives us better code.  For example, X86/2007-01-29-InlineAsm-ir.ll
used to compile to:

_run_init_process:
        subl $4, %esp
        movl %ebx, (%esp)
        xorl %ebx, %ebx
        movl $11, %eax
        movl %ebx, %ecx
        movl %ebx, %edx
        # InlineAsm Start
        push %ebx ; movl %ebx,%ebx ; int $0x80 ; pop %ebx
        # InlineAsm End

Now we get:
_run_init_process:
        xorl %ecx, %ecx
        movl $11, %eax
        movl %ecx, %edx
        # InlineAsm Start
        push %ebx ; movl %ecx,%ebx ; int $0x80 ; pop %ebx
        # InlineAsm End


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35804 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-09 05:49:22 +00:00
Chris Lattner
e5a24ec782 implement support for CodeGen/X86/inline-asm-x-scalar.ll:test3 - i32/i64 values 
used with x constraints.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35803 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-09 05:31:48 +00:00
Chris Lattner
ad043e85f8 implement CodeGen/X86/inline-asm-x-scalar.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35799 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-09 05:11:28 +00:00
Chris Lattner
c9addb7488 implement the new addressing mode description hook. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35521 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-30 23:15:24 +00:00
Bill Wendling
a80d7bd665 Remove cruft I put in there... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35394 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-28 01:02:54 +00:00
Bill Wendling
826f36ff80 Unbreak mmx arithmetic. It was barfing trying to do v8i8 arithmetic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35392 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-28 00:57:11 +00:00
Bill Wendling
ccc44add81 Fix so that pandn is emitted instead of an xor/and combo. Add integer 
comparison operators.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35385 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-27 20:22:40 +00:00
Bill Wendling
ab5b49d92e Promote to v1i64 type... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35353 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 08:03:33 +00:00
Bill Wendling
eebc8a1bc5 Add support for the v1i64 type. This makes better code for this: 
#include <mmintrin.h>

extern __m64 C;

void baz(__v2si *A, __v2si *B)
{
  *A = C;
  _mm_empty();
}

We get this:

_baz:
        call "L1$pb"
"L1$pb":
        popl %eax
        movl L_C$non_lazy_ptr-"L1$pb"(%eax), %eax
        movq (%eax), %mm0
        movl 4(%esp), %eax
        movq %mm0, (%eax)
        emms
        ret

GCC gives us this:

_baz:
        pushl   %ebx
        call    L3
"L00000000001$pb":
L3:
        popl    %ebx
        subl    $8, %esp
        movl    L_C$non_lazy_ptr-"L00000000001$pb"(%ebx), %eax
        movl    (%eax), %edx
        movl    4(%eax), %ecx
        movl    16(%esp), %eax
        movl    %edx, (%eax)
        movl    %ecx, 4(%eax)
        emms
        addl    $8, %esp
        popl    %ebx
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35351 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-26 07:53:08 +00:00
Chris Lattner
4234f57fa0 switch TargetLowering::getConstraintType to take the entire constraint, 
not just the first letter.  No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35322 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 02:14:49 +00:00
Chris Lattner
188b9fe834 enforce the proper range for the i386 N constraint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35319 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-25 01:57:35 +00:00
Bill Wendling
a348c56fde Support added for shifts and unpacking MMX instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35266 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-22 18:42:45 +00:00
Dale Johannesen
fa4bce2b76 repair x86 performance, dejagnu problems from previous change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35245 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-21 21:51:52 +00:00
Chris Lattner
d435dbcbf9 fix a warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35152 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-19 00:39:32 +00:00
Devang Patel
84f7fd2483 Support 'I' inline asm constraint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35129 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-17 00:13:28 +00:00
Bill Wendling
1b7a81d3ae And now support for MMX logical operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35125 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-16 09:44:46 +00:00
Bill Wendling
74027e98f1 Multiplication support for MMX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35118 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-15 21:24:36 +00:00
Evan Cheng
ba693005e9 Under X86-64 large code model, do not emit 32-bit pc relative calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35108 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-14 22:11:11 +00:00
Evan Cheng
a8a155e77f More flexible TargetLowering LSR hooks for testing whether an immediate is 
a legal target address immediate or scale.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35073 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-12 23:28:50 +00:00
Evan Cheng
37e8856f74 Stupid bug: SSE2 supports v2i64 add / sub. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35070 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-12 22:58:52 +00:00
Bill Wendling
c1fb0473ed Adding more arithmetic operators to MMX. This is an almost exact copy of 
the addition. Please let me know if you have suggestions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35055 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-10 09:57:05 +00:00
Bill Wendling
2f88dcdfb3 Added "padd*" support for MMX. Added MMX move stuff to X86InstrInfo so that 
moves, loads, etc. are recognized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35031 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-08 22:09:11 +00:00
Anton Korobeynikov
d0b82b301d Refactoring of formal parameter flags. Enable properly use of 
zext/sext/aext stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35008 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-07 16:25:09 +00:00
Bill Wendling
bc9bffa27b Properly support v8i8 and v4i16 types. It now converts them to v2i32 for 
load and stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35002 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-07 05:43:18 +00:00
Bill Wendling
a31bd27f12 Add LOAD/STORE support for MMX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34978 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-06 18:53:42 +00:00
Anton Korobeynikov
1d9baccc9b Use new SDIselParamAttr enumeration. This removes "magick" constants 
from formal attributes' flags processing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34963 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-06 08:12:33 +00:00
Evan Cheng
ae6421935b X86-64 VACOPY needs custom expansion. va_list is a struct { i32, i32, i8*, i8* }. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34857 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 23:16:35 +00:00
Anton Korobeynikov
f7dcfa81c5 Simplify things 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34849 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 21:50:27 +00:00
Chris Lattner
82932a5e4a argument lowering should copy from the vreg shadows of live-in arguments 
passed in registers, not directly from the pregs themselves.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34838 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-02 05:12:29 +00:00
Anton Korobeynikov
9dd9abd87f Ensure that fastcall'ed function is correctly mangled & stack is 
properly aligned


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34788 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 16:29:22 +00:00
Chris Lattner
eac6607d7c remove dead option 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34754 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 18:39:53 +00:00
Chris Lattner
e32bbf61c0 use high-level functions in CCState 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34739 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 07:09:55 +00:00
Chris Lattner
638402b253 make use of helper functions in CCState for analyzing formals and calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34737 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 07:00:42 +00:00
Chris Lattner
f5d280a0a6 switch LowerFastCCCallTo over to using the new fastcall description. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34734 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 06:26:33 +00:00
Chris Lattner
fc664c1bc0 switch LowerFastCCArguments over to using the autogenerated Fastcall description. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34733 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 06:21:19 +00:00
Chris Lattner
fcf1a3de7a rearrange code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34731 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 06:10:12 +00:00
Chris Lattner
2db39b865e remove fastcc (not fastcall) support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34730 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 06:05:16 +00:00
Chris Lattner
f39f771b02 switch LowerCCCArguments over to using autogenerated CC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34729 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 05:46:49 +00:00
Chris Lattner
c0bdf3460c simplify sret handling 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34728 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 05:39:26 +00:00
Chris Lattner
423c5f44f8 switch LowerCCCCallTo over to using an autogenerated callingconv 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34727 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 05:31:48 +00:00
Chris Lattner
59ed56b9ee switch return value passing and the x86-64 calling convention information 
over to being autogenerated from the X86CallingConv.td file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34722 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 04:55:35 +00:00
Chris Lattner
9774c915f1 switch x86-64 return value lowering over to using same mechanism as argument 
lowering uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34657 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 05:28:59 +00:00
Chris Lattner
13513b7a50 Minor refactoring of CC Lowering interfaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34656 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 05:13:54 +00:00
Chris Lattner
362e98a5f5 move CC Lowering stuff to its own public interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34655 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 04:43:02 +00:00
Chris Lattner
9c71ab77cd refactor x86-64 argument lowering yet again, this time eliminating templates, 
'clients', etc, and adding CCValAssign instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34654 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 04:18:15 +00:00
Chris Lattner
6e50f8cfe9 switch to smallvector 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34633 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 07:59:53 +00:00
Chris Lattner
14dd4c9735 initial hack at splitting the x86-64 calling convention info out from the 
mechanics that process it.  I'm still not happy with this, but it's a step
in the right direction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34631 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 07:50:02 +00:00
Chris Lattner
cc7b07a0ff the truncate must always be done, it's only the assert that is conditional. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34628 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 05:21:05 +00:00
Chris Lattner
df5cdb5288 in X86-64 CCC, i8/i16 arguments are already properly zext/sext'd on input. 
Capture this so that downstream zext/sext's are optimized out.  This
compiles:
  int test(short X) { return (int)X; }

to:

_test:
        movl %edi, %eax
        ret

instead of:

_test:
        movswl %di, %eax
        ret


GCC produces this bizarre code:

_test:
        movw    %di, -12(%rsp)
        movswl  -12(%rsp),%eax
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34623 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 03:18:56 +00:00
Chris Lattner
c30654cc96 Fix an X86-64 abi bug. We now compile: 
void foo(short);
void bar(unsigned short A) {
  foo(A);
}

into:

_bar:
        subq $8, %rsp
        movswl %di, %edi
        call _foo
        addq $8, %rsp
        ret

instead of:

_bar:
        subq $8, %rsp
        call _foo
        addq $8, %rsp
        ret

Testcase here: test/CodeGen/X86/x86-64-shortint.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34615 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 23:10:46 +00:00
Chris Lattner
7e22977c0f fix CodeGen/X86/2007-02-25-FastCCStack.ll, a regression from my patch last 
night:  fastcc returns should only go in XMM0 if we have SSE2 or above.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34613 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 22:23:46 +00:00
Chris Lattner
5e265b29ea fastcc functions that return double values now return them in xmm0 on x86-32. 
This implements CodeGen/X86/fp-stack-ret.ll:test[23]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34592 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 09:31:16 +00:00
Chris Lattner
4dfccf4b48 allow vectors to be passed to stdcall/fastcall functions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34590 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 09:14:25 +00:00
Chris Lattner
2a9bdd74f2 move LowerRET into the 'Return Value Calling Convention Implementation' 
section of the file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34589 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 09:12:39 +00:00
Chris Lattner
339b439d47 make all Lower*CallTo implementations use LowerCallResult to handle their 
result value stuff.  This eliminates a bunch of duplicated code and now
GetRetValueLocs is the sole place that decides where a value is returned.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34588 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 09:10:05 +00:00
Chris Lattner
09c75a4372 pass the calling convention into Lower*CallTo, instead of using ad-hoc flags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34587 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 09:06:15 +00:00
Chris Lattner
3085e15117 factor a bunch of code out of LowerCCCCallTo into a new LowerCallResult 
function.  This function now uses GetRetValueLocs to determine *where*
the result values are located and concerns itself with *how* to pull the
values out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34586 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 08:59:22 +00:00
Chris Lattner
2b02a4409f move some code around, pass in calling conv, even though it is unused 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34585 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 08:29:00 +00:00
Chris Lattner
cb18656734 simplify result value lowering by splitting the selection of *where* to return 
registers out from the logic of *how* to return them.

This changes X86-64 to mark EAX live out when returning a 32-bit value,
where before it marked RAX liveout.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34582 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 08:15:11 +00:00
Chris Lattner
7d53a1c45e make void-return not a special case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34579 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 07:18:38 +00:00
Chris Lattner
5a88b837f2 eliminate a bunch more temporary vectors from X86 lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34578 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 07:10:00 +00:00
Chris Lattner
d96d072332 eliminate temporary vectors created during X86 lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34577 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 06:40:16 +00:00
Chris Lattner
9cb9626abf remove std::vector's in RET lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34576 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 06:21:57 +00:00
Jim Laskey
2ad9f17fee Simplify lowering and selection of exception ops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34488 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-22 14:56:36 +00:00
Jim Laskey
62819f3144 Support to provide exception and selector registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34482 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-21 22:54:50 +00:00
Evan Cheng
f46847172a ELF / PIC requires GOT be in the EBX register during calls via PLT GOT pointer. 
Add implicit uses of EBX to calls to ensure liveintervalanalysis does not treat
the GOT in EBX move as dead upon definition.
This should fix PR1207.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34470 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-21 21:18:14 +00:00
Anton Korobeynikov
b25fe82671 Fixed uninitialized stuff inside LegalizeDAG. Fortunately, the only 
affected part is codegen of "memove" inside x86 backend. This fixes
PR1144


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33752 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 08:39:52 +00:00
Nate Begeman
bcc5f36765 Finish off bug 680, allowing targets to custom lower frame and return 
address nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33636 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-29 22:58:52 +00:00
Nick Lewycky
5310897884 Fix compile error "jump to case label crosses initialization". 
What compiler are people using that accepts this code?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33603 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-28 15:39:16 +00:00
Anton Korobeynikov
b10308e440 Propagate changes from my local tree. This patch includes: 
1. New parameter attribute called 'inreg'. It has meaning "place this
parameter in registers, if possible". This is some generalization of
gcc's regparm(n) attribute. It's currently used only in X86-32 backend.
2. Completely rewritten CC handling/lowering code inside X86 backend.
Merged stdcall + c CCs and fastcall + fast CC.
3. Dropped CSRET CC. We cannot add struct return variant for each
target-specific CC (e.g. stdcall + csretcc and so on).
4. Instead of CSRET CC introduced 'sret' parameter attribute. Setting in
on first attribute has meaning 'This is hidden pointer to structure
return. Handle it gently'.
5. Fixed small bug in llvm-extract + add new feature to
FunctionExtraction pass, which relinks all internal-linkaged callees
from deleted function to external linkage. This will allow further
linking everything together.

NOTEs: 1. Documentation will be updated soon.
       2. llvm-upgrade should be improved to translate csret => sret.
          Before this, there will be some unexpected test fails.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33597 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-28 13:31:35 +00:00
Jim Laskey
1ee2925742 Make LABEL a builtin opcode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33537 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-26 14:34:52 +00:00
Evan Cheng
706535db86 Linux GOT indirect reference is only necessary in PIC mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33441 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-22 21:34:25 +00:00
Anton Korobeynikov
7f70559bc4 * 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)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33136 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-12 19:20:47 +00:00
Evan Cheng
73d6cf12ad - FCOPYSIGN custom lowering bug. Clear the sign bit of operand 0 first before 
or'ing in the sign bit of operand 1.
- Tweaking: rather than left shift the sign bit, fp_extend operand 1 first
  before taking its sign bit if its type is smaller than that of operand 0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32932 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-05 21:37:56 +00:00
Evan Cheng
1722eeeaa4 Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32902 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-05 08:32:24 +00:00
Evan Cheng
68c47cba35 With SSE2, expand FCOPYSIGN to a series of SSE bitwise operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32900 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-05 07:55:56 +00:00
Reid Spencer
aff9387168 Fix a comment that referred to the now defunct ubyte type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32840 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-03 17:24:59 +00:00
Anton Korobeynikov
317848f4a1 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32833 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-03 11:43:14 +00:00
Reid Spencer
47857812e2 For PR950: 
Three changes:
1. Convert signed integer types to signless versions.
2. Implement the @sext and @zext parameter attributes. Previously the
   type of an function parameter was used to determine whether it should
   be sign extended or zero extended before the call. This information is
   now communicated via the function type's parameter attributes.
3. The interface to LowerCallTo had to be changed in order to accommodate
   the parameter attribute information. Although it would have been
   convenient to pass in the FunctionType itself, there isn't always one
   present in the caller. Consequently, a signedness indication for the
   result type and for each parameter was provided for in the interface
   to this method. All implementations were changed to make the adjustment
   necessary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32788 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-31 05:55:36 +00:00
Anton Korobeynikov
2b2bc68884 Refactored JIT codegen for mingw32. Now we're using standart relocation 
type for distinguish JIT & non-JIT instead of "dirty" hacks :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32745 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-22 22:29:05 +00:00
Evan Cheng
21b76123e5 f64 <-> i64 bit_convert using movq in 64-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32587 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-14 21:55:39 +00:00
Anton Korobeynikov
d27a258d2d Cleaned setjmp/longjmp lowering interfaces. Now we're producing right 
code (both asm & cbe) for Mingw32 target.
Removed autoconf checks for underscored versions of setjmp/longjmp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32415 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-10 23:12:42 +00:00
Chris Lattner
f3597a13ae If we have ScalarSSE, we can select bitconvert into single instructions. 
This compiles bitcast.ll:test3/test4 into:

_test3:
        movd %xmm0, %eax
        ret
_test4:
        movd %edi, %xmm0
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32230 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-05 18:45:06 +00:00
Chris Lattner
399610a2e6 Fix PR1033 and CodeGen/X86/bitcast.ll, by expanding bitcast to a load/store pair. 
This could be better, readme entry pending.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32228 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-05 18:22:22 +00:00
Chris Lattner
af21f4f6f9 Fix typo noticed by Lauro Ramos Venancio, thanks! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32223 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-05 17:29:40 +00:00
Evan Cheng
19f2ffce45 - Fix X86-64 JIT by temporarily disabling code that treats GV address as 32-bit 
immediate in small code model. The JIT cannot ensure GV's are placed in the
lower 4G.
- Some preliminary support for large code model.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32215 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-05 04:01:03 +00:00
Chris Lattner
98ae09ca5d Add support for 64-bit 'r' constraint. Patch by by Rafael ~Avila de Espíndol! 
This fixes PR1029 and Regression/CodeGen/X86/x86-64-asm.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32206 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-04 22:38:21 +00:00
Evan Cheng
0085a28d13 - Use a different wrapper node for RIP-relative GV, etc. 
- Proper support for both small static and PIC modes under X86-64
- Some (non-optimal) support for medium modes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32046 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-30 21:55:46 +00:00
Evan Cheng
c8306bde15 In PIC mode, GV not requiring an extra load can be used as address immediate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32028 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 23:48:14 +00:00
Evan Cheng
d0ff02cf6f Fix for PR1018 - Better support for X86-64 Linux in small code model. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32026 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 23:19:46 +00:00
Evan Cheng
3fa9dff2c9 Custom lower READCYCLECOUNTER for x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32017 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-29 08:28:13 +00:00
Evan Cheng
c0f64ffab9 Change MachineInstr ctor's to take a TargetInstrDescriptor reference instead 
of opcode and number of operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31947 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-27 23:37:22 +00:00
Anton Korobeynikov
12c49af81e Refactored *GVRequiresExtraLoad() to Subtarget method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31887 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-21 00:01:06 +00:00
Anton Korobeynikov
a59868519b We should perform extra load for dllimported calls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31874 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-20 10:46:14 +00:00
Evan Cheng
7ce4578353 Matches MachineInstr changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31712 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-13 23:36:35 +00:00
Evan Cheng
5cd3e9f4b7 Add implicit use / def operands to created MI's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31676 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-11 10:21:44 +00:00
Evan Cheng
8ca29326e1 Don't dag combine floating point select to max and min intrinsics. Those 
take v4f32 / v2f64 operands and may end up causing larger spills / restores.
Added X86 specific nodes X86ISD::FMAX, X86ISD::FMIN instead.

This fixes PR996.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31645 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-10 21:43:37 +00:00
Anton Korobeynikov
df78611726 Fixing PR990: http://llvm.org/PR990. 
This should unbreak csretcc on Linux & mingw targets. Several tests from
llvm-test should be also restored (fftbench, bigfib).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31613 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-10 00:48:11 +00:00
Evan Cheng
6e56e2c602 Fixed a bug which causes x86 be to incorrectly match 
shuffle v, undef, <2, ?, 3, ?>
to movhlps
It should match to unpckhps instead.

Added proper matching code for
shuffle v, undef, <2, 3, 2, 3>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31519 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-07 22:14:24 +00:00
Reid Spencer
3ed469ccd7 For PR786: 
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31380 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-02 20:25:50 +00:00
Chris Lattner
22aaf1d61c allow the address of a global to be used with the "i" constraint when in 
-static mode.  This implements PR882.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31326 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-31 20:13:11 +00:00
Chris Lattner
1a60aa7bc1 handle "st" as "st(0)" 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31320 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-31 19:42:44 +00:00
Anton Korobeynikov
ab4022f196 1. Clean up code due to changes in SwitchTo*Section(2) 
2. Added partial debug support for mingw\cygwin targets (the same as
   Linux\ELF). Please note, that currently mingw\cygwin uses 'stabs' format
   for storing debug info by default, thus many (runtime) libraries has
   this information included. These formats shouldn't be mixed in one binary
   ('stabs' & 'DWARF'), otherwise binutils tools will be confused.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31311 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-31 08:31:24 +00:00
Reid Spencer
02b8511364 Add debug support for X86/ELF targets (Linux). This allows llvm-gcc4 
generated object modules to be debugged with gdb. Hopefully this helps
pre-release debugging.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31299 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 22:32:30 +00:00
Evan Cheng
c35497fc2a All targets expand BR_JT for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31294 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 08:02:39 +00:00
Evan Cheng
f686d9b71f Fixed a significant bug where unpcklpd is incorrectly used to extract element 1 from a v2f64 value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31228 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 21:08:32 +00:00
Evan Cheng
6bdb3f6c8f Fix for PR968: expand vector sdiv, udiv, srem, urem. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31220 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 18:49:08 +00:00
Evan Cheng
9eca5e814d During vector shuffle lowering, we sometimes commute a vector shuffle to try 
to match MOVL (movss, movsd, etc.). Don't forget to commute it back and try
unpck* and shufp* if that doesn't pan out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31186 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-25 21:49:50 +00:00
Evan Cheng
9bbbb98a60 Remove -disable-x86-shuffle-opti 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31183 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-25 20:48:19 +00:00
Chris Lattner
7fbe9723e3 Implement branch analysis/xform hooks required by the branch folding pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31065 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-20 17:42:20 +00:00
Evan Cheng
d9b8e40ab3 Avoid getting into an infinite loop when -disable-x86-shuffle-opti is specified. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30974 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-16 06:36:00 +00:00
Evan Cheng
8b2794aeff Merge ISD::TRUNCSTORE to ISD::STORE. Switch to using StoreSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30945 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-13 21:14:26 +00:00
Evan Cheng
cf12ec4897 Some X86ISD::CMP were created with wrong ValueType's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30913 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-12 19:12:56 +00:00
Evan Cheng
23425f5c74 Don't convert to MOVLP if using shufps etc. may allow load folding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30847 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-09 21:39:25 +00:00
Evan Cheng
466685d41a Reflects ISD::LOAD / ISD::LOADX / LoadSDNode changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30844 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-09 20:57:25 +00:00
Evan Cheng
786225adf0 Make use of getStore(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30759 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-05 23:01:46 +00:00
Chris Lattner
1907a7b37b Lower some min/max idioms to minss/maxss when unsafe fp math is enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30748 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-05 04:11:26 +00:00
Evan Cheng
e111303408 Added option -disable-x86-shuffle-opti to disable X86 specific vector shuffle optimizations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30723 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-04 18:33:38 +00:00
Chris Lattner
83e6c9925e Pattern match min/max nodes when we have sse. This implements 
CodeGen/X86/scalar_sse_minmax.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30719 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-04 06:57:07 +00:00
Evan Cheng
c548428c5d Combine ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD into ISD::LOADX. Add an 
extra operand to LOADX to specify the exact value extension type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30714 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-04 00:56:09 +00:00
Chris Lattner
13bf6c1350 Fix PR933 and CodeGen/X86/2006-10-02-BoolRetCrash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30703 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-03 17:18:42 +00:00
Chris Lattner
f38f543e01 silence warnings in release build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30631 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-27 18:29:38 +00:00
Chris Lattner
e87e1154a1 Various random and minor code cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30608 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-26 03:57:53 +00:00
Nick Lewycky
70084fd53a Fix compile error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30553 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-21 02:08:31 +00:00
Anton Korobeynikov
f824868ed9 Adding codegeneration for StdCall & FastCall calling conventions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30549 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-20 22:03:51 +00:00
Anton Korobeynikov
bcb9770efe Added some eye-candy for Subtarget type checking 
Added X86 StdCall & FastCall calling conventions. Codegen will follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30446 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-17 20:25:45 +00:00
Anton Korobeynikov
93c2b37340 Small fixes for supporting dll* linkage types 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30441 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-17 13:06:18 +00:00
Anton Korobeynikov
b74ed07bfd Adding dllimport, dllexport and external weak linkage types. 
DLL* linkages got full (I hope) codegeneration support in C & both x86
assembler backends.
External weak linkage added for future use, we don't provide any
codegeneration, etc. support for it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30374 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-14 18:23:27 +00:00
Chris Lattner
bfd68a7858 Turn X < 0 -> TEST X,X js 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30294 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 17:04:54 +00:00
Chris Lattner
7a6366de86 The sense of this branch was inverted :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30293 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 16:56:12 +00:00
Chris Lattner
f95705163f Compile X > -1 -> text X,X; js dest 
This implements CodeGen/X86/jump_sign.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30283 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-13 03:22:10 +00:00
Evan Cheng
c356a572e3 Reflects MachineConstantPoolEntry changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30279 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-12 21:04:05 +00:00
Evan Cheng
734503be59 X86ISD::CMP now produces a chain as well as a flag. Make that the chain 
operand of a conditional branch to allow load folding into CMP / TEST
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30241 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-11 02:19:56 +00:00
Evan Cheng
25ab690a43 Committing X86-64 support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30177 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 06:48:29 +00:00
Evan Cheng
8cf723d8eb - Identify a vector_shuffle that can be turned into an undef, e.g. 
shuffle V1, <undef>, <undef, undef, 4, 5>
- Fix some suspicious logic into LowerVectorShuffle that cause less than
  optimal code by failing to identify MOVL (move to lowest element of a
  vector).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30171 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-08 01:50:06 +00:00
Chris Lattner
ffc0b2663e Eliminate X86ISD::TEST, using X86ISD::CMP instead. Match X86ISD::CMP patterns 
using test, which provides nice simplifications like:

-       movl %edi, %ecx
-       andl $2, %ecx
-       cmpl $0, %ecx
+       testl $2, %edi
        je LBB1_11      #cond_next90

There are a couple of dagiselemitter deficiencies that this exposes, they will
be handled later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30156 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 20:33:45 +00:00
Chris Lattner
5ea7a68e15 Revert this patch, the front-end has been fixed to make it unneccesary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29752 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-17 18:43:24 +00:00
Chris Lattner
b5bc04d38a 'g' is handled by the front-end. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29751 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-17 18:12:28 +00:00
Andrew Lenharth
ad1ed016ce Fix handling of 'g'. Closes 883 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29750 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-17 17:50:12 +00:00
Andrew Lenharth
d337295fb0 Add the 'c' constraint as needed by the linux kernel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29747 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-17 16:07:50 +00:00
Andrew Lenharth
c63e56ee5f Add support for S and D constraints, as needed to compile the linux kernel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29746 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-17 15:35:43 +00:00
Chris Lattner
e219945348 Eliminate use of getNode that takes a vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29614 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-11 17:38:39 +00:00
Evan Cheng
64a752f7c7 Match tablegen changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29604 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-11 09:08:15 +00:00
Evan Cheng
311ace0391 Convert more calls of getNode() that takes a vector to pass in the start of an array. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29601 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-11 07:35:45 +00:00
Chris Lattner
bd564bfc63 Start eliminating temporary vectors used to create DAG nodes. Instead, pass 
in the start of an array and a count of operands where applicable.  In many
cases, the number of operands is known, so this static array can be allocated
on the stack, avoiding the heap.  In many other cases, a SmallVector can be
used, which has the same benefit in the common cases.

I updated a lot of code calling getNode that takes a vector, but ran out of
time.  The rest of the code should be updated, and these methods should be
removed.

We should also do the same thing to eliminate the methods that take a
vector of MVT::ValueTypes.

It would be extra nice to convert the dagiselemitter to avoid creating vectors
for operands when calling getTargetNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29566 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-08 02:23:42 +00:00
Chris Lattner
f76d180c95 Fix PR850 and CodeGen/X86/2006-07-31-SingleRegClass.ll. 
The CFE refers to all single-register constraints (like "A") by their 16-bit
name, even though the 8 or 32-bit version of the register may be needed.
The X86 backend should realize what is going on and redecode the name back
to its proper form.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29420 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-31 23:26:50 +00:00
Chris Lattner
35d86fef1f Rename RelocModel::PIC to PIC_, to avoid conflicts with -DPIC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29307 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-26 21:12:04 +00:00
Evan Cheng
625518002d This opt is now handled in DAG combine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29243 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-21 08:26:46 +00:00
Evan Cheng
1e1a88e8cc A splat of a vector constant of all zero or all one is the vector constant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29234 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-20 23:09:47 +00:00
Chris Lattner
6d3465793f Add information preventing several register class constraints from working. 
This implements PR828 and CodeGen/X86/2006-07-12-InlineAsmQConstraint.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29118 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-12 16:59:49 +00:00
Chris Lattner
f4dff84c86 Implement the inline asm 'A' constraint. This implements PR825 and 
CodeGen/X86/2006-07-10-InlineAsmAConstraint.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29101 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-11 02:54:03 +00:00
Evan Cheng
1e60c098cc Fixed stack objects do not specify alignments, but their offsets are known. 
Use that information when doing the transformation to merge multiple loads
into a 128-bit load.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29090 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-10 21:37:44 +00:00
Chris Lattner
5c5f4ca6f1 Mark internal function static 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29085 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-10 19:53:12 +00:00
Evan Cheng
206ee9d86c X86 target specific DAG combine: turn build_vector (load x), (load x+4), 
(load x+8), (load x+12), <0, 1, 2, 3> to a single 128-bit load (aligned and
unaligned).

e.g.

__m128 test(float a, float b, float c, float d) {
  return _mm_set_ps(d, c, b, a);
}

_test:
        movups 4(%esp), %xmm0
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29042 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-07 08:33:52 +00:00
Evan Cheng
60c07e1aea Reorg. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28999 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-05 22:17:51 +00:00
Evan Cheng
da08d2c39a Simplify X86CompilationCallback: always align to 16-byte boundary; don't save EAX/EDX if unnecessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28910 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-24 08:36:10 +00:00
Evan Cheng
015188ffbc Type of vector extract / insert index operand should be iPTR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28796 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-15 08:14:54 +00:00
Evan Cheng
b69d113201 Add argument registers to the end of call operand list (partial fix). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28783 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-14 18:17:40 +00:00
Evan Cheng
b12223e284 Minor compilation speed improvement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28736 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-09 06:24:42 +00:00
Evan Cheng
e8bd0a332a Added X86FunctionInfo subclass of MachineFunction to record whether the 
function that is being lowered is forced to use FP. Currently this is only
true for main() / Cygwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28703 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-06 23:30:24 +00:00
Evan Cheng
2675534b7f Typos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28617 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-01 05:53:27 +00:00
Evan Cheng
04b2562502 Remove a warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28607 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-01 00:30:39 +00:00
Evan Cheng
8f692e2457 Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28581 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-31 00:50:42 +00:00
Evan Cheng
6848be1a27 Change RET node to include signness information of the return values. i.e. 
RET chain, value1, sign1, value2, sign2, ...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28510 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 23:10:12 +00:00
Evan Cheng
3fddf241d8 Vector argument must be passed in memory location aligned on 16-byte boundary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28505 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 20:37:47 +00:00
Evan Cheng
1d6a9b3b6c Mac OS X ABI document lied. The first four XMM registers are used to pass 
vector arguments, not three.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28504 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 19:22:06 +00:00
Evan Cheng
052fb5110f Minor update to make the code more clear 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28499 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:39:59 +00:00
Evan Cheng
f9d62dc6e5 Update more comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28498 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:37:16 +00:00
Evan Cheng
f9ff7c54be Fix some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28497 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:25:43 +00:00
Evan Cheng
6f707999a1 No need to handle illegal types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28496 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-26 18:22:49 +00:00
Evan Cheng
cc1fc220a0 Consistency 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28488 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 23:31:23 +00:00
Evan Cheng
25e71d10a0 Some clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28483 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 22:38:31 +00:00
Evan Cheng
a9bb445db0 Remove some dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28481 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 22:25:52 +00:00
Evan Cheng
6b5783d0b1 Build breakage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28475 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 18:56:34 +00:00
Evan Cheng
32fe1035a7 Switch X86 over to a call-selection model where the lowering code creates 
the copyto/fromregs instead of making the X86ISD::CALL selection code create
them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28463 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-25 00:59:30 +00:00
Chris Lattner
c6d0567324 Fix file header comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28441 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 23:20:42 +00:00
Evan Cheng
4db3af3511 Better way to check for vararg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28440 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 21:08:24 +00:00
Evan Cheng
25caf63cd2 Remove PreprocessCCCArguments and PreprocessFastCCArguments now that 
FORMAL_ARGUMENTS nodes include a token operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28439 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 21:06:34 +00:00
Chris Lattner
2d2970905c Implement an annoying part of the Darwin/X86 abi: the callee of a struct 
return argument pops the hidden struct pointer if present, not the caller.

For example, in this testcase:

struct X { int D, E, F, G; };
struct X bar() {
  struct X a;
  a.D = 0;
  a.E = 1;
  a.F = 2;
  a.G = 3;
  return a;
}
void foo(struct X *P) {
  *P = bar();
}

We used to emit:

_foo:
        subl $28, %esp
        movl 32(%esp), %eax
        movl %eax, (%esp)
        call _bar
        addl $28, %esp
        ret
_bar:
        movl 4(%esp), %eax
        movl $0, (%eax)
        movl $1, 4(%eax)
        movl $2, 8(%eax)
        movl $3, 12(%eax)
        ret

This is correct on Linux/X86 but not Darwin/X86.  With this patch, we now
emit:

_foo:
        subl $28, %esp
        movl 32(%esp), %eax
        movl %eax, (%esp)
        call _bar
***     addl $24, %esp
        ret
_bar:
        movl 4(%esp), %eax
        movl $0, (%eax)
        movl $1, 4(%eax)
        movl $2, 8(%eax)
        movl $3, 12(%eax)
***     ret $4

For the record, GCC emits (which is functionally equivalent to our new code):

_bar:
        movl    4(%esp), %eax
        movl    $3, 12(%eax)
        movl    $2, 8(%eax)
        movl    $1, 4(%eax)
        movl    $0, (%eax)
        ret     $4
_foo:
        pushl   %esi
        subl    $40, %esp
        movl    48(%esp), %esi
        leal    16(%esp), %eax
        movl    %eax, (%esp)
        call    _bar
        subl    $4, %esp
        movl    16(%esp), %eax
        movl    %eax, (%esi)
        movl    20(%esp), %eax
        movl    %eax, 4(%esi)
        movl    24(%esp), %eax
        movl    %eax, 8(%esi)
        movl    28(%esp), %eax
        movl    %eax, 12(%esi)
        addl    $40, %esp
        popl    %esi
        ret

This fixes SingleSource/Benchmarks/CoyoteBench/fftbench with LLC and the
JIT, and fixes the X86-backend portion of PR729.  The CBE still needs to
be updated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28438 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-23 18:50:38 +00:00
Chris Lattner
cdbaeb52ae CSRet allows varargs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28409 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-19 21:34:04 +00:00
Evan Cheng
4ac8974d02 Should pass by reference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28357 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-17 19:07:40 +00:00
Chris Lattner
aa9406b0c4 Implement the custom lowering hook right, returning values for all of the 
arguments at once.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28327 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-16 17:14:26 +00:00
Chris Lattner
e7746c9084 Fix a bug I introduced yesterday, which broke functions with *no* arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28326 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-16 17:08:35 +00:00
Evan Cheng
069287d460 X86 integer register classes naming changes. Make them consistent with FP, vector classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28324 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-16 07:21:53 +00:00
Chris Lattner
8c0c10c2b9 Add a chain to FORMAL_ARGUMENTS. This is a minimal port of the X86 backend, 
it doesn't currently use/maintain the chain properly.  Also, make the
X86ISelLowering.cpp file 80-col clean.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28320 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-16 06:45:34 +00:00
Chris Lattner
03ea4c8326 Dead variable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28265 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-12 21:12:22 +00:00
Chris Lattner
80a7ecc923 Teach the X86 backend about non-i32 inline asm register classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28139 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-06 00:29:37 +00:00
Chris Lattner
bd04aa5796 Teach the code generator to use cvtss2sd as extload f32 -> f64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28131 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-05 21:35:18 +00:00
Owen Anderson
a69571c799 Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses. This has one caller-visible change: getTargetData() now returns a pointer instead of a reference. 
This fixes PR 759.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28074 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-03 01:29:57 +00:00
Evan Cheng
347d5f789a Initial caller side support (for CCC only, not FastCC) of 128-bit vector 
passing by value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28015 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-28 21:29:37 +00:00
Evan Cheng
43f3bd310b Implement four-wide shuffle with 2 shufps if no more than two elements come 
from each vector. e.g.
        shuffle(G1, G2, 7, 1, 5, 2)
==>
        movaps _G2, %xmm0
        shufps $151, _G1, %xmm0
        shufps $216, %xmm0, %xmm0


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28011 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-28 07:03:38 +00:00
Evan Cheng
020c41f21e TargetLowering::LowerArguments should return a VBIT_CONVERT of 
FORMAL_ARGUMENTS SDOperand in the return result vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28009 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-28 05:25:15 +00:00
Evan Cheng
fea89c14ec Make x86 isel lowering produce tailcall nodes. They are match to normal calls 
for now.

Patch contributed by Alexander Friedman.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27994 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-27 08:40:39 +00:00
Evan Cheng
2fdd95eee7 Support for passing 128-bit vector arguments via XMM registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27992 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-27 08:31:10 +00:00
Evan Cheng
5fb03ce905 Oops 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27989 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-27 05:44:50 +00:00
Evan Cheng
85e3800e42 Bug fix: not updating NumIntRegs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27988 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-27 05:35:28 +00:00
Evan Cheng
eda65fa20b - Clean up formal argument lowering code. Prepare for vector pass by value work. 
- Fixed vararg support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27985 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-27 01:32:22 +00:00
Evan Cheng
9191dbba8e Fix fastcc failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27980 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 18:21:31 +00:00
Evan Cheng
1bc7804e4c Switching over FORMAL_ARGUMENTS mechanism to lower call arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27975 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-26 01:20:17 +00:00
Evan Cheng
0db9fe6775 Separate LowerOperation() into multiple functions, one per opcode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27972 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-25 20:13:52 +00:00
Evan Cheng
37d1d9bc66 Special case handling two wide build_vector(0, x). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27961 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 22:58:52 +00:00
Evan Cheng
c78d3b43f5 A little bit more build_vector enhancement for v8i16 cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27959 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-24 18:01:45 +00:00
Evan Cheng
9293451e3f MOVL shuffle (i.e. movd or movss / movsd from memory) of undef, V2 == V2 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27953 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-23 06:35:19 +00:00
Nate Begeman
37efe67645 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27947 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 18:53:45 +00:00
Evan Cheng
1900c012f5 Don't do all the lowering stuff for 2-wide build_vector's. Also, minor optimization for shuffle of undef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27946 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 08:34:05 +00:00
Evan Cheng
a083af14c8 Fix a performance regression. Use {p}shuf* when there are only two distinct elements in a build_vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27945 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 06:21:46 +00:00
Evan Cheng
ba05f728b5 Revamp build_vector lowering to take advantage of movss and movd instructions. 
movd always clear the top 96 bits and movss does so when it's loading the
value from memory.
The net result is codegen for 4-wide shuffles is much improved. It is near
optimal if one or more elements is a zero. e.g.

__m128i test(int a, int b) {
  return _mm_set_epi32(0, 0, b, a);
}

compiles to

_test:
	movd 8(%esp), %xmm1
	movd 4(%esp), %xmm0
	punpckldq %xmm1, %xmm0
	ret

compare to gcc:

_test:
	subl	$12, %esp
	movd	20(%esp), %xmm0
	movd	16(%esp), %xmm1
	punpckldq	%xmm0, %xmm1
	movq	%xmm1, %xmm0
	movhps	LC0, %xmm0
	addl	$12, %esp
	ret

or icc:

_test:
        movd      4(%esp), %xmm0                                #5.10
        movd      8(%esp), %xmm3                                #5.10
        xorl      %eax, %eax                                    #5.10
        movd      %eax, %xmm1                                   #5.10
        punpckldq %xmm1, %xmm0                                  #5.10
        movd      %eax, %xmm2                                   #5.10
        punpckldq %xmm2, %xmm3                                  #5.10
        punpckldq %xmm3, %xmm0                                  #5.10
        ret                                                     #5.10

There are still room for improvement, for example the FP variant of the above example:

__m128 test(float a, float b) {
  return _mm_set_ps(0.0, 0.0, b, a);
}

_test:
	movss 8(%esp), %xmm1
	movss 4(%esp), %xmm0
	unpcklps %xmm1, %xmm0
	xorps %xmm1, %xmm1
	movlhps %xmm1, %xmm0
	ret

The xorps and movlhps are unnecessary. This will require post legalizer optimization to handle.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27939 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 23:03:30 +00:00
Evan Cheng
017dcc6e55 Now generating perfect (I think) code for "vector set" with a single non-zero 
scalar value.

e.g.
        _mm_set_epi32(0, a, 0, 0);
==>
	movd 4(%esp), %xmm0
	pshufd $69, %xmm0, %xmm0

        _mm_set_epi8(0, 0, 0, 0, 0, a, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
==>
	movzbw 4(%esp), %ax
	movzwl %ax, %eax
	pxor %xmm0, %xmm0
	pinsrw $5, %eax, %xmm0


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27923 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-21 01:05:10 +00:00
Evan Cheng
39623daef6 - Added support to turn "vector clear elements", e.g. pand V, <-1, -1, 0, -1> 
to a vector shuffle.
- VECTOR_SHUFFLE lowering change in preparation for more efficient codegen
of vector shuffle with zero (or any splat) vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27875 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 08:58:49 +00:00
Evan Cheng
72cd9a9439 Handle v2i64 BUILD_VECTOR custom lowering correctly. v2i64 is a legal type, 
but i64 is not. If possible, change a i64 op to a f64 (e.g. load, constant)
and then cast it back.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27849 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 00:11:39 +00:00
Evan Cheng
94fe5eb14a isSplatMask() bug: first element can be an undef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27847 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 23:28:59 +00:00
Evan Cheng
80d428c370 - Added support to do aribitrary 4 wide shuffle with no more than three 
instructions.
- Fixed a commute vector_shuff bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27845 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 22:48:17 +00:00
Evan Cheng
533a0aa9ba Commute vector_shuffle to match more movlhps, movlp{s|d} cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27840 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-19 20:35:22 +00:00
Evan Cheng
cdfc3c82a7 Use movss to insert_vector_elt(v, s, 0). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27782 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-17 22:45:49 +00:00
Evan Cheng
5edb8d270c Use two pinsrw to insert an element into v4i32 / v4f32 vector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27779 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-17 22:04:06 +00:00
Evan Cheng
c575ca22ea Implement v8i16, v16i8 splat using unpckl + pshufd. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27768 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-17 20:43:08 +00:00
Chris Lattner
b2be4032c5 implement returns of a vector, testcase here: CodeGen/X86/vec_return.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27767 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-17 20:32:50 +00:00
Evan Cheng
5001ea1078 FP SETOLT, SETOLT, SETUGE, SETUGT conditions were implemented incorrectly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27755 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-17 07:24:10 +00:00
Evan Cheng
57ebe9fbf0 Silly bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27719 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-15 05:37:34 +00:00
Evan Cheng
39fc145995 Do not use movs{h|l}dup for a shuffle with a single non-undef node. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27718 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-15 03:13:24 +00:00
Evan Cheng
d953947d26 Last few SSE3 intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27711 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-14 21:59:03 +00:00
Evan Cheng
f99898453d X86 SSE2 supports v8i16 multiplication 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27644 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-13 05:10:25 +00:00
Evan Cheng
2c3ae37213 All "integer" logical ops (pand, por, pxor) are now promoted to v2i64. 
Clean up and fix various logical ops issues.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27633 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-12 21:21:57 +00:00
Evan Cheng
91b740da12 Promote v4i32, v8i16, v16i8 load to v2i64 load. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27612 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-12 17:12:36 +00:00
Evan Cheng
d6d1cbd692 Added support for _mm_move_ss and _mm_move_sd. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27575 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-11 00:19:04 +00:00
Evan Cheng
f7c378e9ea Conditional move of vector types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27556 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-10 07:23:14 +00:00
Evan Cheng
c5cdff2341 Code clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27501 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-07 21:53:05 +00:00
Evan Cheng
5ced1d812e - movlp{s|d} and movhp{s|d} support. 
- Normalize shuffle nodes so result vector lower half elements come from the
  first vector, the rest come from the second vector. (Except for the
  exceptions :-).
- Other minor fixes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27474 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-06 23:23:56 +00:00
Evan Cheng
6be2c58c8c Support for comi / ucomi intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27444 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-05 23:38:46 +00:00
Evan Cheng
1d5a8cca00 Handle canonical form of e.g. 
vector_shuffle v1, v1, <0, 4, 1, 5, 2, 6, 3, 7>

This is turned into
vector_shuffle v1, <undef>, <0, 0, 1, 1, 2, 2, 3, 3>
by dag combiner.

It would match a {p}unpckl on x86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27437 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-05 07:20:06 +00:00