31d15fa093
Allow custom lowering of LOAD, EXTLOAD, ZEXTLOAD, STORE, and TRUNCSTORE. Not
...
currently used.
llvm-svn: 24988
2005-12-23 07:29:34 +00:00
55823ae03f
fix something-o
...
llvm-svn: 24987
2005-12-23 07:08:39 +00:00
5427aab5f8
implement vaarg. Varargs now should work.
...
llvm-svn: 24986
2005-12-23 06:37:38 +00:00
5ee896aad9
implement vastart. The dag isel compiles this:
...
void test3(va_list Y);
void test2(int F, ...) {
va_list X;
va_start(X, F);
test3(X);
}
into this:
test2:
save -104, %o6, %o6
st %i5, [%i6+88]
st %i4, [%i6+84]
st %i3, [%i6+80]
st %i2, [%i6+76]
st %i1, [%i6+72]
add %i6, 72, %o0
st %o0, [%i6+-4]
call test3
nop
restore %g0, %g0, %g0
retl
nop
The simple isel emits:
test2:
save -96, %o6, %o6
st %i0, [%i6+68]
st %i1, [%i6+72]
st %i2, [%i6+76]
st %i3, [%i6+80]
st %i4, [%i6+84]
st %i5, [%i6+88]
or %g0, 1, %l0
or %g0, 4, %l1
umul %l0, %l1, %l0
add %l0, 7, %l0
and %l0, -8, %l0
sub %o6, %l0, %o6
add %o6, 96, %l0
add %i6, 72, %l1
st %l1, [%l0]
ld [%l0], %o0
call test3
nop
restore %g0, %g0, %g0
retl
nop
llvm-svn: 24985
2005-12-23 06:24:04 +00:00
6e6d5a1fa1
remove benchmark list, remove issues addressed by the dag-dag isel
...
llvm-svn: 24984
2005-12-23 06:09:30 +00:00
26943b9691
Simplify store(bitconv(x)) to store(x). This allows us to compile this:
...
void bar(double Y, double *X) {
*X = Y;
}
to this:
bar:
save -96, %o6, %o6
st %i1, [%i2+4]
st %i0, [%i2]
restore %g0, %g0, %g0
retl
nop
instead of this:
bar:
save -104, %o6, %o6
st %i1, [%i6+-4]
st %i0, [%i6+-8]
ldd [%i6+-8], %f0
std %f0, [%i2]
restore %g0, %g0, %g0
retl
nop
on sparcv8.
llvm-svn: 24983
2005-12-23 05:48:07 +00:00
54560f6887
fold (conv (load x)) -> (load (conv*)x).
...
This allows us to compile this:
void foo(double);
void bar(double *X) { foo(*X); }
To this:
bar:
save -96, %o6, %o6
ld [%i0+4], %o1
ld [%i0], %o0
call foo
nop
restore %g0, %g0, %g0
retl
nop
instead of this:
bar:
save -104, %o6, %o6
ldd [%i0], %f0
std %f0, [%i6+-8]
ld [%i6+-4], %o1
ld [%i6+-8], %o0
call foo
nop
restore %g0, %g0, %g0
retl
nop
on SparcV8.
llvm-svn: 24982
2005-12-23 05:44:41 +00:00
efbbedbf4a
Fold bitconv(bitconv(x)) -> x. We now compile this:
...
void foo(double);
void bar(double X) { foo(X); }
to this:
bar:
save -96, %o6, %o6
or %g0, %i0, %o0
or %g0, %i1, %o1
call foo
nop
restore %g0, %g0, %g0
retl
nop
instead of this:
bar:
save -112, %o6, %o6
st %i1, [%i6+-4]
st %i0, [%i6+-8]
ldd [%i6+-8], %f0
std %f0, [%i6+-16]
ld [%i6+-12], %o1
ld [%i6+-16], %o0
call foo
nop
restore %g0, %g0, %g0
retl
nop
on V8.
llvm-svn: 24981
2005-12-23 05:37:50 +00:00
a187460552
constant fold bits_convert in getNode and in the dag combiner for fp<->int
...
conversions. This allows V8 to compiles this:
void %test() {
call float %test2( float 1.000000e+00, float 2.000000e+00, double 3.000000e+00, double* null )
ret void
}
into:
test:
save -96, %o6, %o6
sethi 0, %o3
sethi 1049088, %o2
sethi 1048576, %o1
sethi 10403841040384
2005-12-23 05:30:37 +00:00
30107e65c8
make sure bit_convert's are expanded
...
llvm-svn: 24979
2005-12-23 05:15:23 +00:00
c46fc2482c
make sure bit_converts are expanded
...
llvm-svn: 24978
2005-12-23 05:13:35 +00:00
5ce81edbf6
fix the int<->fp instructions, which apparently take a single float register
...
to represent the int part (because it's always 32-bits)
llvm-svn: 24976
2005-12-23 05:00:16 +00:00
c9849274bd
Use BIT_CONVERT to simplify this code
...
llvm-svn: 24975
2005-12-23 02:31:39 +00:00
f474034432
Simplify some code by using BIT_CONVERT
...
llvm-svn: 24974
2005-12-23 00:59:59 +00:00
884eb3adc3
Fix a pasto
...
llvm-svn: 24973
2005-12-23 00:52:30 +00:00
9eae8d5d03
fix a thinko in the bit_convert handling code
...
llvm-svn: 24972
2005-12-23 00:50:25 +00:00
36e663d6e1
add very simple support for the BIT_CONVERT node
...
llvm-svn: 24970
2005-12-23 00:16:34 +00:00
e4ae72a4e6
Revert previous patch. Additional tests fail.
...
llvm-svn: 24968
2005-12-22 21:46:37 +00:00
4c141d047c
clean up .td file by using evan's new FLAG thing
...
llvm-svn: 24967
2005-12-22 21:18:39 +00:00
177d7af5d5
remove dead code
...
llvm-svn: 24965
2005-12-22 21:16:08 +00:00
6b0325aa26
fix handling of weak linkage
...
llvm-svn: 24964
2005-12-22 21:15:17 +00:00
8f8124edaa
Fix PR409:
...
Implement the suggested check to ensure that out-of-range float constants
don't get accepted by LLVM accidentally. Adjust the supporting test cases
as well.
llvm-svn: 24963
2005-12-22 21:07:29 +00:00
ccd5b90f58
For PR351:
...
* Allow the ExecuteAndWait to return negative values if a signal is
detected as the reason for the child termination. This is needed to
support bugpoint detecting bad things in its child processes.
llvm-svn: 24960
2005-12-22 20:00:16 +00:00
ffe3542726
move some random notes out of my email into someplace useful
...
llvm-svn: 24956
2005-12-22 17:19:28 +00:00
644e7db818
this is a hack, which may or may not hang around. In short:
...
whimper out of doing things the Right Way, and hack up a generic
'BRCALL' instruction, that gets generated when calls are lowered.
This gets selected by hand in the DAG isel, where it gets turned
into real (i.e. in tablegen) br.call instructions.
BUG: this dies on void calls, but seems to work otherwise?
llvm-svn: 24952
2005-12-22 13:29:14 +00:00
3692fa14b8
we can't do this directly in lowering, so we need this case
...
llvm-svn: 24951
2005-12-22 07:14:45 +00:00
3608ab87c0
oops, back this out
...
llvm-svn: 24950
2005-12-22 07:13:51 +00:00
b1d57fb175
we can't all have brains now, can we
...
llvm-svn: 24948
2005-12-22 06:41:39 +00:00
d0c146d59f
this should take care of calls to varadic functions, but it doesn.,t
...
BUG: calling printf(string, float) will load the float into the wrong
register, completely forget about loading the string, etce
llvm-svn: 24947
2005-12-22 06:39:57 +00:00
a8de8a5db4
we need to emit the getf.d instruction in lowering, so add it
...
to IA64ISD
llvm-svn: 24946
2005-12-22 06:38:38 +00:00
be19877731
Separate the call graph implementation from its interface. This implements
...
the rough idea sketched out in http://nondot.org/sabre/LLVMNotes/CallGraphClass.txt ,
allowing new spiffy implementations of the callgraph interface to be built.
Many thanks to Saem Ghani for contributing this!
llvm-svn: 24944
2005-12-22 06:07:52 +00:00
1408c05a8b
The 81st column doesn't like code in it.
...
llvm-svn: 24943
2005-12-22 05:23:45 +00:00
5ccf76fed3
I shoulda done this a *long* time ago (tm): implement calls properly,
...
i.e. r1/r12/rp are saved/restored regardless of scheduling/luck
TODO: calls to external symbols, indirect (function descriptor) calls,
performance (we're being paranoid right now)
BUG: the code for handling calls to vararg functions breaks if FP
args are passed (this will make printf() go haywire so a bunch of
tests will fail)
BUG: this seems to trigger some legalize nastiness
llvm-svn: 24942
2005-12-22 04:07:40 +00:00
8f6c86fe3b
kill SelectCALL() in the DAG isel, we handle this in lowering now, like
...
SPARCv8. (we copy sparcv8's workaround for tablegen not being nice about
ISD::CALL/TAILCALL)
llvm-svn: 24941
2005-12-22 03:58:17 +00:00
a743e00e7a
update tablegen files - nothing to see here
...
llvm-svn: 24939
2005-12-22 03:56:03 +00:00
6197688c71
For PR351:
...
Move the system dependent portion to lib/System/*/Alarm.inc. This makes the
SlowOperationInformer platform independent.
llvm-svn: 24938
2005-12-22 03:31:26 +00:00
3493dab23b
Implement a generic polled Alarm function. This merely removes the system
...
dependent portion of the lib/Support/SlowOperationTimer code into the
lib/System implementation where it can be ported to different platforms.
llvm-svn: 24937
2005-12-22 03:23:46 +00:00
dfad8ed54e
Bye bye HACKTROCITY.
...
llvm-svn: 24935
2005-12-22 02:26:21 +00:00
62fef13143
Added special flag node FLAG.
...
llvm-svn: 24934
2005-12-22 02:25:14 +00:00
2335fc2f44
Add an eol at the end to shut gcc sup.
...
llvm-svn: 24926
2005-12-22 01:41:00 +00:00
1872908f3b
Lefted out TargetLowering::
...
llvm-svn: 24922
2005-12-21 23:14:54 +00:00
9cdc16c6d3
* Fix a GlobalAddress lowering bug.
...
* Teach DAG combiner about X86ISD::SETCC by adding a TargetLowering hook.
llvm-svn: 24921
2005-12-21 23:05:39 +00:00
02767195bb
Oops. Accidentally deleted RET pattern. It's still needed for return void;
...
llvm-svn: 24920
2005-12-21 22:22:16 +00:00
9e296bee9a
Disengage DEBUG_LOC from non-PPC targets.
...
llvm-svn: 24919
2005-12-21 20:51:37 +00:00
c1583dbd63
* Added support for X86 RET with an additional operand to specify number of
...
bytes to pop off stack.
* Added support for X86 SETCC.
llvm-svn: 24917
2005-12-21 20:21:51 +00:00
7b52a923b8
Start of Dwarf framework.
...
llvm-svn: 24914
2005-12-21 19:48:16 +00:00
0fab459362
make sure to relegalize all cases
...
llvm-svn: 24911
2005-12-21 19:40:42 +00:00
44c07ed61a
enable the gep isel opt
...
llvm-svn: 24910
2005-12-21 19:36:36 +00:00
15f5a182e1
Regenerate
...
llvm-svn: 24908
2005-12-21 18:31:50 +00:00
a5d70e9feb
allow logical operators on packed integral types
...
llvm-svn: 24907
2005-12-21 18:31:29 +00:00
dca56cbd9a
Get logical operations to like packed types, allow BinOp::getNot to create
...
the right vector of -1's as its operand.
llvm-svn: 24906
2005-12-21 18:22:19 +00:00
ac12f68424
fix a bug I introduced that broke recursive expansion of nodes (e.g. scalarizing vectors)
...
llvm-svn: 24905
2005-12-21 18:02:52 +00:00
a054d129ea
regenerate
...
llvm-svn: 24904
2005-12-21 17:53:23 +00:00
8c7bda561c
Implement Regression/Assembler/2005-12-21-ZeroInitVector.ll
...
llvm-svn: 24903
2005-12-21 17:53:02 +00:00
81f2653e45
add some nodes, forgot to commit this last night :(
...
llvm-svn: 24901
2005-12-21 16:22:46 +00:00
0dcdd83c0e
This was meant to go in
...
llvm-svn: 24900
2005-12-21 07:50:26 +00:00
f431ad4477
Rewrite FP stackifier support in the X86InstrInfo.td file, splitting patterns
...
that were overloaded to work before and after the stackifier runs. With the
new clean world, it is possible to write patterns for these instructions: woo!
This also adds a few simple patterns here and there, though there are a lot
still missing. These should be easy to add though. :)
See the comments under "Floating Point Stack Support" for more details on
the new world order.
This patch as absolutely no effect on the generated code, woo!
llvm-svn: 24899
2005-12-21 07:47:04 +00:00
988827a482
Wrap some long lines: no functionality change
...
llvm-svn: 24898
2005-12-21 05:34:58 +00:00
72575d882b
remove dead code
...
llvm-svn: 24896
2005-12-21 05:27:51 +00:00
803a575616
Lower ConstantAggregateZero into zeros
...
llvm-svn: 24890
2005-12-21 02:43:26 +00:00
a2f308fc3e
Remove ISD::RET select code. Now tblgen'd.
...
llvm-svn: 24889
2005-12-21 02:41:57 +00:00
a74ce62746
* Added lowering hook for external weak global address. It inserts a load
...
for Darwin.
* Added lowering hook for ISD::RET. It inserts CopyToRegs for the return
value (or store / fld / copy to ST(0) for floating point value). This
eliminate the need to write C++ code to handle RET with variable number
of operands.
llvm-svn: 24888
2005-12-21 02:39:21 +00:00
434ffe49a9
Don't emit a null terminator, nor anything after it, to the ctor/dtor list
...
llvm-svn: 24887
2005-12-21 01:17:37 +00:00
5c0b4df483
SSE2 floating point load / store patterns. SSE2 fp to int conversion patterns.
...
llvm-svn: 24886
2005-12-20 22:59:51 +00:00
82285c55aa
Flip the meaning of FPContractions to reflect Requires<[]> change.
...
llvm-svn: 24884
2005-12-20 20:08:53 +00:00
fc94dff7dc
Run lower-switch after lower-invoke.
...
Only run lower-allocations and lower-select for the simple isel
llvm-svn: 24881
2005-12-20 08:00:11 +00:00
10c7f67d78
Reserve G1 for frame offset stuff and use it to handle large stack frames.
...
For example, instead of emitting this:
test:
save -40112, %o6, %o6 ;; imm too large
add %i6, -40016, %o0 ;; imm too large
call caller
nop
restore %g0, %g0, %g0
retl
nop
emit this:
test:
sethi 4194264, %g1
or %g1, 848, %g1
save %o6, %g1, %o6
sethi 4194264, %g1
add %g1, %i6, %g1
add %i1, 944, %o0
call caller
nop
restore %g0, %g0, %g0
retl
nop
which doesn't cause the assembler to barf.
llvm-svn: 24880
2005-12-20 07:56:31 +00:00
5815a6e455
Added X86 readport patterns.
...
llvm-svn: 24879
2005-12-20 07:38:38 +00:00
6af02635a7
Added a hook to print out names of target specific DAG nodes.
...
llvm-svn: 24877
2005-12-20 06:22:03 +00:00
2af3ee4bdd
Fix a nasty latent bug in the legalizer that was triggered by my patch
...
last night, breaking crafty and twolf. Make sure that the newly found
legal nodes are themselves not re-legalized until the next iteration.
Also, since this functionality exists now, we can reduce number of legalizer
iterations by depending on this behavior instead of having to misuse 'do
another iteration' to get the same effect.
llvm-svn: 24875
2005-12-20 00:53:54 +00:00
b11b8e44fa
Pattern-match return. Includes gross hack!
...
llvm-svn: 24874
2005-12-20 00:26:01 +00:00
c126397a69
Fix a couple of the FIXMEs, thanks to suggestion from Chris. This allows
...
us to load and store vectors directly at a pointer (offset of zero) by
using r0 as the base register. This also requires some asm printer work
to satisfy the darwin assembler.
For
void %foo(<4 x float> * %a) {
entry:
%tmp1 = load <4 x float> * %a;
%tmp2 = add <4 x float> %tmp1, %tmp1
store <4 x float> %tmp2, <4 x float> *%a
ret void
}
We now produce:
_foo:
lvx v0, 0, r3
vaddfp v0, v0, v0
stvx v0, 0, r3
blr
Instead of:
_foo:
li r2, 0
lvx v0, r2, r3
vaddfp v0, v0, v0
stvx v0, r2, r3
blr
llvm-svn: 24872
2005-12-19 23:40:42 +00:00
8e6a8af205
Convert load/store over to being pattern matched
...
llvm-svn: 24871
2005-12-19 23:25:09 +00:00
6fc31046aa
X86 conditional branch support.
...
llvm-svn: 24870
2005-12-19 23:12:38 +00:00
9fd9541367
Print out opcode number if it's an unknown target node.
...
llvm-svn: 24869
2005-12-19 23:11:49 +00:00
1d9b671de0
It's essential we clear CodeGenMap after isel every basic block!
...
llvm-svn: 24867
2005-12-19 22:36:02 +00:00
50b2d302d5
Fix a case where the DAG Combiner would accidentally CSE flag-producing nodes,
...
creating graphs that cannot be scheduled.
llvm-svn: 24866
2005-12-19 22:21:21 +00:00
757035ead9
Prefix DSA specific options with dsa.
...
Make the dsa-alloc-list and dsa-free-list options hidden.
llvm-svn: 24864
2005-12-19 20:14:38 +00:00
45bb70d8f9
Added an option to specify the names of heap freeing functions.
...
llvm-svn: 24863
2005-12-19 19:54:23 +00:00
aa0fed0148
Added a command line option that allows the user to specify a list of
...
functions that allocate memory.
llvm-svn: 24862
2005-12-19 17:38:39 +00:00
9b9688aeb8
Amend comment.
...
llvm-svn: 24861
2005-12-19 16:32:26 +00:00
ce23987e6b
Create a strong dependency for loads following stores. This will leave a
...
latency period between the two.
llvm-svn: 24860
2005-12-19 16:30:13 +00:00
7767a654b0
Fix pifft by correcting the case when a i64/f64 straddles O5 and memory:
...
we were storing into [FP+88] instead of [FP+92].
Improve codegen by emitting [FP+92], instead of emitting a copy of FP into
another GPR which wouldn't be coallesced because FP isn't register allocated.
llvm-svn: 24859
2005-12-19 07:57:53 +00:00
631c9df853
don't emit 'add %o6, 0, %o6' instructions
...
llvm-svn: 24857
2005-12-19 02:51:12 +00:00
5b9c9f9d36
Fix calls to functions returning i64
...
llvm-svn: 24856
2005-12-19 02:15:51 +00:00
655fac2c95
Correct bool truncstore operand order
...
llvm-svn: 24855
2005-12-19 02:06:50 +00:00
2c792ccc62
add the other bool zextload as well
...
llvm-svn: 24854
2005-12-19 01:44:58 +00:00
766170c6ee
implement zextload bool
...
llvm-svn: 24853
2005-12-19 01:43:04 +00:00
9be456300e
mark some unsupported ops as unsupported
...
llvm-svn: 24852
2005-12-19 01:39:40 +00:00
e59941810a
Fix syntax for indirect calls. This fixes Olden/mst
...
llvm-svn: 24850
2005-12-19 01:22:53 +00:00
bead785656
Keep stack frames 8-byte aligned. This fixes olden/voronoi
...
llvm-svn: 24849
2005-12-19 01:15:13 +00:00
9078c84654
apparently rdy isn't actually a psuedo instruction. Use rd %y
...
llvm-svn: 24848
2005-12-19 00:53:02 +00:00
d2e885e321
add fneg/fabs support for doubles
...
llvm-svn: 24847
2005-12-19 00:50:12 +00:00
14ee61ef00
Various cleanups to this pass, no functionality change
...
llvm-svn: 24846
2005-12-19 00:46:20 +00:00
d2a07eebcd
add bool truncstores
...
llvm-svn: 24845
2005-12-19 00:19:21 +00:00
15bd5ea92f
Elimiante SP and FP, which weren't members of the IntRegs register class
...
llvm-svn: 24844
2005-12-19 00:06:52 +00:00
c06da626b4
Make sure to relegalize new nodes
...
llvm-svn: 24843
2005-12-18 23:54:29 +00:00
f5f80cb947
The sun assembler only supports .xword in V9 mode.
...
llvm-svn: 24842
2005-12-18 23:36:45 +00:00
1ac15547d6
Configure the asmwriter to allow constant pools to be printed correctly
...
llvm-svn: 24841
2005-12-18 23:35:05 +00:00
030672f16b
add support for integer extloads
...
llvm-svn: 24840
2005-12-18 23:18:37 +00:00
Evan Cheng