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560 Commits

Author SHA1 Message Date
Chris Lattner
95def2ca5a remove misleading comment. 
llvm-svn: 42970
 2007-10-14 20:35:12 +00:00
Chris Lattner
ac17bf4c0f If a target doesn't have HasMULHU or HasUMUL_LOHI, ExpandOp would return 
without lo/hi set.  Fall through to making a libcall instead.

llvm-svn: 42969
 2007-10-14 18:35:05 +00:00
Chris Lattner
133baf6012 Add a simple optimization to simplify the input to 
truncate and truncstore instructions, based on the 
knowledge that they don't demand the top bits.

llvm-svn: 42952
 2007-10-13 06:35:54 +00:00
Dale Johannesen
2f62d5da32 ppc long double. Implement fabs and fneg. 
llvm-svn: 42924
 2007-10-12 19:02:17 +00:00
Dale Johannesen
296cc4ca22 Implement i64->ppcf128 conversions. 
llvm-svn: 42919
 2007-10-12 17:52:03 +00:00
Dan Gohman
b0b156e238 Add support to SplitVectorOp for powi, where the second operand 
is a scalar integer.

llvm-svn: 42906
 2007-10-12 14:13:46 +00:00
Dale Johannesen
4ade2701e0 PPC long double. Implement a couple more conversions. 
llvm-svn: 42888
 2007-10-12 01:37:08 +00:00
Dan Gohman
b9863c4738 Codegen support for vector intrinsics. 
Factor out the code that expands the "nasty scalar code" for unrolling
vectors into a separate routine, teach it how to handle mixed
vector/scalar operands, as seen in powi, and use it for several operators,
including sin, cos, powi, and pow.

Add support in SplitVectorOp for fpow, fpowi and for several unary
operators.

llvm-svn: 42884
 2007-10-11 23:57:53 +00:00
Dale Johannesen
781403c410 Implement ppc long double->uint conversion. 
Make ppc long double constants print.

llvm-svn: 42882
 2007-10-11 23:32:15 +00:00
Dale Johannesen
0ee2a2fb59 Next PPC long double bits. First cut at constants. 
No compile-time support for constant operations yet,
just format transformations.  Make readers and
writers work.  Split constants into 2 doubles in
Legalize.

llvm-svn: 42865
 2007-10-11 18:07:22 +00:00
Dale Johannesen
76458ddf1e Next PPC long double bits: ppcf128->i32 conversion. 
Surprisingly complicated.
Adds getTargetNode for 2 outputs, no inputs (missing).

llvm-svn: 42822
 2007-10-10 01:01:31 +00:00
Dan Gohman
6df332f0cb Migrate X86 and ARM from using X86ISD::{,I}DIV and ARMISD::MULHILO{U,S} to 
use ISD::{S,U}DIVREM and ISD::{S,U}MUL_HIO. Move the lowering code
associated with these operators into target-independent in LegalizeDAG.cpp
and TargetLowering.cpp.

llvm-svn: 42762
 2007-10-08 18:33:35 +00:00
Neil Booth
6e01c5df37 convertFromInteger, as originally written, expected sign-extended 
input.  APInt unfortunately zero-extends signed integers, so Dale
modified the function to expect zero-extended input.  Make this
assumption explicit in the function name.

llvm-svn: 42732
 2007-10-07 11:45:55 +00:00
Dale Johannesen
9b7ac95116 Next powerpc long double bits. Comparisons work, 
although not well, and shortening FP converts.

llvm-svn: 42672
 2007-10-06 01:24:11 +00:00
Dale Johannesen
c7b51b678d First round of ppc long double. call/return and 
basic arithmetic works.
Rename RTLIB long double functions to distinguish
different flavors of long double; the lib functions
have different names, alas.

llvm-svn: 42644
 2007-10-05 20:04:43 +00:00
Dan Gohman
06e6956edb Legalize support for MUL_LOHI and DIVREM. 
llvm-svn: 42636
 2007-10-05 14:17:22 +00:00
Evan Cheng
ec6d5655c6 Silence a warning. 
llvm-svn: 42619
 2007-10-05 01:09:32 +00:00
Dale Johannesen
2a0b2ab2fc Constant fold int-to-long-double conversions; 
use APFloat for int-to-float/double; use
round-to-nearest for these (implementation-defined,
seems to match gcc).

llvm-svn: 42484
 2007-09-30 18:19:03 +00:00
Dan Gohman
02f80006f8 Teach SplitVectorOp how to split INSERT_VECTOR_ELT. 
llvm-svn: 42457
 2007-09-28 23:53:40 +00:00
Dale Johannesen
8660e0ed82 Fix long double -> uint64 conversion. 
llvm-svn: 42440
 2007-09-28 18:44:17 +00:00
Dale Johannesen
e61886cee4 Add sqrt and powi intrinsics for long double. 
llvm-svn: 42423
 2007-09-28 01:08:20 +00:00
Evan Cheng
7a9237420b Silence a compiler warning. 
llvm-svn: 42389
 2007-09-27 07:35:39 +00:00
Dale Johannesen
20674e6c52 Fix f80 UNDEF. 
llvm-svn: 42359
 2007-09-26 17:26:49 +00:00
Dan Gohman
dd675a5064 Use the correct result value type instead of using getValueType(0) 
in ExpandEXTRACT_VECTOR_ELT and SplitVectorOp. This fixes an abort
in the included testcase.

llvm-svn: 42264
 2007-09-24 15:54:53 +00:00
Dale Johannesen
c7279629cc Change APFloat::convertFromInteger to take the incoming 
bit width instead of number of words allocated, which
makes it actually work for int->APF conversions.
Adjust callers.  Add const to one of the APInt constructors
to prevent surprising match when called with const
argument.

llvm-svn: 42210
 2007-09-21 22:09:37 +00:00
Dale Johannesen
04682bdc81 More long double fixes. x86_64 should build now. 
llvm-svn: 42155
 2007-09-19 23:55:34 +00:00
Dale Johannesen
9e04c2d5af Fix longdouble -> uint conversion. 
llvm-svn: 42143
 2007-09-19 17:53:26 +00:00
Dale Johannesen
78628a9108 Adjust per revew comments. 
llvm-svn: 42002
 2007-09-16 16:51:49 +00:00
Dale Johannesen
575bd6070a 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).

llvm-svn: 41967
 2007-09-14 22:26:36 +00:00
Dale Johannesen
4784ee3431 Revise previous patch per review comments. 
Next round of x87 long double stuff.
Getting close now, basically works.

llvm-svn: 41875
 2007-09-12 03:30:33 +00:00
Dale Johannesen
7bc3969cea 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).

llvm-svn: 41858
 2007-09-11 18:32:33 +00:00
Duncan Sands
c358890f73 Fold the adjust_trampoline intrinsic into 
init_trampoline.  There is now only one
trampoline intrinsic.

llvm-svn: 41841
 2007-09-11 14:10:23 +00:00
Dale Johannesen
9dfdc452d9 Implement misaligned FP loads and stores. 
llvm-svn: 41786
 2007-09-08 19:29:23 +00:00
Dale Johannesen
e91a908971 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.

llvm-svn: 41587
 2007-08-30 00:23:21 +00:00
Anton Korobeynikov
5845c41e4d Fix use of declaration inside case block 
llvm-svn: 41584
 2007-08-29 23:18:48 +00:00
Anton Korobeynikov
a3531f71ca Lower FRAME_TO_ADDR_OFFSET to zero by default (if not custom lowered) 
llvm-svn: 41578
 2007-08-29 19:28:29 +00:00
Chris Lattner
093144e147 Allow target constants to be illegal types. The target should 
know how to handle them.  This fixes 
test/CodeGen/Generic/asm-large-immediate.ll

llvm-svn: 41388
 2007-08-25 01:00:22 +00:00
Evan Cheng
930acafa5b Avoid issue on 64-bit hosts. 
llvm-svn: 41143
 2007-08-17 18:02:22 +00:00
Evan Cheng
11fa8d0f62 If dynamic_stackalloc alignment is > stack alignment, first issue an instruction to align the stack ptr before the decrement. 
llvm-svn: 41133
 2007-08-16 23:50:06 +00:00
Lauro Ramos Venancio
9f9e5b3971 Implement FPOWI ExpandOp. 
Fix PR1287.

llvm-svn: 41112
 2007-08-15 22:13:27 +00:00
Dale Johannesen
a1340d5916 Update per review comments. 
llvm-svn: 40965
 2007-08-09 17:27:48 +00:00
Dale Johannesen
79551baaad 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).

llvm-svn: 40958
 2007-08-09 01:04:01 +00:00
Scott Michel
86052f49c0 If a target really needs to custom lower constants, it should be allowed 
to do so.

llvm-svn: 40955
 2007-08-08 23:23:31 +00:00
Scott Michel
199544367f Style police: Expand the tabs to spaces! 
llvm-svn: 40712
 2007-08-02 02:22:46 +00:00
Lauro Ramos Venancio
1ef30713de Expand unaligned loads/stores when the target doesn't support them. (PR1548) 
llvm-svn: 40682
 2007-08-01 19:34:21 +00:00
Scott Michel
c65b4c8eeb - Allow custom lowering for CTPOP, CTTZ, CTLZ. 
- Fixed an existing unexpanded tab.

llvm-svn: 40605
 2007-07-30 21:00:31 +00:00
Duncan Sands
e8bb2c6d32 Support for trampolines, except for X86 codegen which is 
still under discussion.

llvm-svn: 40549
 2007-07-27 12:58:54 +00:00
Christopher Lamb
73c3cd47cc Add selection DAG nodes for subreg insert/extract. PR1350 
llvm-svn: 40516
 2007-07-26 07:34:40 +00:00
Christopher Lamb
b178ecbbc0 Fix infinite recursion for when extract_vector_elt is legal. Unfortunately no public targets use this code-path, so no test. 
llvm-svn: 40510
 2007-07-26 03:33:13 +00:00
Dan Gohman
0ba554c0c8 Fix comments about vectors to use the current wording. 
llvm-svn: 39921
 2007-07-16 14:29:03 +00:00