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Author SHA1 Message Date
Evan Cheng
f5ed18f7d3 Fix test case. 
llvm-svn: 42949
 2007-10-13 03:14:06 +00:00
Evan Cheng
6101e4ffdf New tests. 
llvm-svn: 42948
 2007-10-13 03:10:54 +00:00
Evan Cheng
b9ab88ccd5 Local spiller optimization: 
Turn this:
movswl  %ax, %eax
movl    %eax, -36(%ebp)
xorl    %edi, -36(%ebp)
into
movswl  %ax, %eax
xorl    %edi, %eax
movl    %eax, -36(%ebp)
by unfolding the load / store xorl into an xorl and a store when we know the
value in the spill slot is available in a register. This doesn't change the
number of instructions but reduce the number of times memory is accessed.

Also unfold some load folding instructions and reuse the value when similar
situation presents itself.

llvm-svn: 42947
 2007-10-13 02:50:24 +00:00
Evan Cheng
2e2d6358bc Change unfoldMemoryOperand(). User is now responsible for passing in the 
register used by the unfolded instructions. User can also specify whether to
unfold the load, the store, or both.

llvm-svn: 42946
 2007-10-13 02:35:06 +00:00
Evan Cheng
2262b2a792 Optionally create a MachineInstr without default implicit operands. 
llvm-svn: 42945
 2007-10-13 02:23:01 +00:00
Arnold Schwaighofer
50d2c33530 Correcting the corrections. Bad bad baaad emacs! 
llvm-svn: 42935
 2007-10-12 21:53:12 +00:00
Arnold Schwaighofer
6bcd9e7ec2 Corrected many typing errors. And removed 'nest' parameter handling 
for fastcc from X86CallingConv.td.  This means that nested functions
are not supported for calling convention 'fastcc'.

llvm-svn: 42934
 2007-10-12 21:30:57 +00:00
Dan Gohman
c96f2809ca Fix this test to not depend on the assembly output containing something 
that includes the string "st". This probably fixes the regression on
Darwin.

llvm-svn: 42932
 2007-10-12 20:42:14 +00:00
Devang Patel
f65c028dad Dest type is always i8 *. This allows some simplification. 
Do not filter memmove.

llvm-svn: 42930
 2007-10-12 20:10:21 +00:00
Gordon Henriksen
acf0aac0c1 Fix ocaml bindings for picky linkers. :) 
Thanks to Török Edvin for helping to track this down.

llvm-svn: 42927
 2007-10-12 19:48:13 +00:00
Duncan Sands
d781ed9d21 Due to the new tail call optimization, trampolines can no 
longer be created for fastcc functions.

llvm-svn: 42925
 2007-10-12 19:37:31 +00:00
Dale Johannesen
2f62d5da32 ppc long double. Implement fabs and fneg. 
llvm-svn: 42924
 2007-10-12 19:02:17 +00:00
Evan Cheng
c36fdf163a Update. 
llvm-svn: 42922
 2007-10-12 18:22:55 +00:00
Chris Lattner
18867ab274 don't use intptr_t without including it. 
llvm-svn: 42921
 2007-10-12 18:16:23 +00:00
Chris Lattner
3af877f26a Fix a bug in my patch last night that broke InstCombine/2007-10-12-Crash.ll 
llvm-svn: 42920
 2007-10-12 18:05:47 +00:00
Dale Johannesen
296cc4ca22 Implement i64->ppcf128 conversions. 
llvm-svn: 42919
 2007-10-12 17:52:03 +00:00
Chris Lattner
e80faf3036 Make this compute the correct offset, handling alignment of the element 
pointer correctly.

llvm-svn: 42918
 2007-10-12 17:49:52 +00:00
Evan Cheng
681a96d737 Did mean to leave this in. INSERT_SUBREG isn't being coalesced yet. 
llvm-svn: 42916
 2007-10-12 17:16:50 +00:00
Neil Booth
fb373da5fd Remove duplicate comment. 
llvm-svn: 42913
 2007-10-12 16:05:57 +00:00
Neil Booth
078f455d15 Implement correctly-rounded decimal->binary conversion, i.e. conversion 
from user input strings.

Such conversions are more intricate and subtle than they may appear;
it is unlikely I have got it completely right first time.  I would
appreciate being informed of any bugs and incorrect roundings you
might discover.

llvm-svn: 42912
 2007-10-12 16:02:31 +00:00
Neil Booth
4a0b91bebe Remove a field that was never used. 
llvm-svn: 42911
 2007-10-12 15:35:10 +00:00
Neil Booth
9b83d8be07 If we're trying to be arbitrary precision, unsigned char clearly won't cut it. Needed for dec->bin conversions. 
llvm-svn: 42910
 2007-10-12 15:33:27 +00:00
Neil Booth
39cc673e61 Don't attempt to mask no bits 
llvm-svn: 42909
 2007-10-12 15:31:31 +00:00
Dan Gohman
a75e4a62e6 Change the names used for internal labels to use the current 
function symbol name instead of a codegen-assigned function
number.

Thanks Evan! :-)

llvm-svn: 42908
 2007-10-12 14:53:36 +00:00
Dan Gohman
330b7915da Fix some corner cases with vectors in copyToRegs and copyFromRegs. 
llvm-svn: 42907
 2007-10-12 14:33:11 +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
Dan Gohman
ad3e823efa Mark vector ctpop, cttz, and ctlz as Expand on x86. 
llvm-svn: 42905
 2007-10-12 14:09:42 +00:00
Dan Gohman
171fb68ae0 Mark vector pow, ctpop, cttz, and ctlz as Expand on PowerPC. 
llvm-svn: 42904
 2007-10-12 14:08:57 +00:00
Evan Cheng
9beb8daf9c Restrict EXTRACT_SUBREG coalescing to avoid negative performance impact. 
llvm-svn: 42903
 2007-10-12 09:15:53 +00:00
Evan Cheng
51791564b0 Doh. 
llvm-svn: 42901
 2007-10-12 09:10:27 +00:00
Evan Cheng
947b4a6c3d EXTRACT_SUBREG test case. 
llvm-svn: 42900
 2007-10-12 09:03:31 +00:00
Evan Cheng
d11cd4a095 EXTRACT_SUBREG coalescing support. The coalescer now treats EXTRACT_SUBREG like 
(almost) a register copy. However, it always coalesced to the register of the
RHS (the super-register). All uses of the result of a EXTRACT_SUBREG are sub-
register uses which adds subtle complications to load folding, spiller rewrite,
etc.

llvm-svn: 42899
 2007-10-12 08:50:34 +00:00
Evan Cheng
8af3000e93 Some clean up. 
llvm-svn: 42898
 2007-10-12 08:45:27 +00:00
Evan Cheng
bfc8d5c279 Cosmetic. 
llvm-svn: 42897
 2007-10-12 08:40:44 +00:00
Evan Cheng
a18e8dc542 Fix typos. 
llvm-svn: 42896
 2007-10-12 08:39:02 +00:00
Evan Cheng
c7b7a3cb74 Fold load / store into MOV32to32_ and MOV16to16_. 
llvm-svn: 42895
 2007-10-12 08:38:01 +00:00
Evan Cheng
f1ead16fd5 Flag MOV32to32_ with EXTRACT_SUBREG. They should not be scheduled apart. 
llvm-svn: 42894
 2007-10-12 07:55:53 +00:00
Arnold Schwaighofer
f1e49dd41d Added missing -march=x86 flag. 
llvm-svn: 42893
 2007-10-12 07:49:48 +00:00
Gabor Greif
cbfb655705 eliminate warning 
llvm-svn: 42892
 2007-10-12 07:44:54 +00:00
Chris Lattner
3c23c37233 Fix some 80 column violations. 
Fix DecomposeSimpleLinearExpr to handle simple constants better.
Don't nuke gep(bitcast(allocation)) if the bitcast(allocation) will
fold the allocation.  This fixes PR1728 and Instcombine/malloc3.ll

llvm-svn: 42891
 2007-10-12 05:30:59 +00:00
Chris Lattner
7489b40996 testcase for PR1728 
llvm-svn: 42890
 2007-10-12 05:29:53 +00:00
Chris Lattner
e47ae5fe94 make operator== work with non-equal sized bitvectors, as long as 
the extra bits are all zeros.  This allows  "010" and "010000" to be
treated as equal.

llvm-svn: 42889
 2007-10-12 03:48:59 +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
ab5c3ed0d1 Add intrinsics for sin, cos, and pow. These use llvm_anyfloat_ty, and so 
may be overloaded with vector types. And add a testcase for codegen for
these.

llvm-svn: 42885
 2007-10-12 00:01:22 +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
Dan Gohman
edc841fb53 Set ISD::FPOW to Expand. 
llvm-svn: 42881
 2007-10-11 23:21:31 +00:00
Dan Gohman
f8ab690988 Add runtime library names for pow. 
llvm-svn: 42880
 2007-10-11 23:09:10 +00:00
Dan Gohman
bc5fc4f519 Add an ISD::FPOW node type. 
llvm-svn: 42879
 2007-10-11 23:06:37 +00:00
Dan Gohman
9a70be46f1 Add an explicit target triple to make this test behave as expected on 
non-Apple hosts. And use the count script instead of wc + grep.

llvm-svn: 42878
 2007-10-11 23:04:36 +00:00