dfcde88d07
Fix a bug in FP_EXTEND, implement FP_TO_SINT
...
llvm-svn: 23121
2005-08-28 23:59:09 +00:00
38660c6666
fix an assertion failure in treeadd
...
llvm-svn: 23120
2005-08-28 23:39:22 +00:00
9b577f108a
implement SELECT_CC fully for the DAG->DAG isel!
...
llvm-svn: 23101
2005-08-26 21:23:58 +00:00
b2854fadda
Make fsel emission work with both the pattern and dag-dag selectors, by
...
giving it a non-instruction opcode. The dag->dag selector used to not
select the operands of the fsel, because it thought that whole tree was
already selected.
llvm-svn: 23091
2005-08-26 20:25:03 +00:00
bec817ce6f
implement the fold for:
...
bool %test(int %X, int %Y) {
%C = setne int %X, 0
ret bool %C
}
to:
_test:
addic r2, r3, -1
subfe r3, r2, r3
blr
llvm-svn: 23089
2005-08-26 18:46:49 +00:00
a9e6a82d66
Changes to adjust to new ReplaceAllUsesWith syntax. Change FP_EXTEND to
...
just return its input, instead of emitting an explicit copy.
llvm-svn: 23088
2005-08-26 18:37:23 +00:00
c75e047245
now that fsel is formed during legalization, this code is dead
...
llvm-svn: 23084
2005-08-26 17:40:39 +00:00
c30405e0ee
Change ConstantPoolSDNode to actually hold the Constant itself instead of
...
putting it into the constant pool. This allows the isel machinery to
create constants that it will end up deciding are not needed, without them
ending up in the resultant function constant pool.
llvm-svn: 23081
2005-08-26 17:15:30 +00:00
7bbdae53d6
Fix some warnings in an optimized build
...
llvm-svn: 23080
2005-08-26 16:38:51 +00:00
2091a36631
Fix a huge annoyance: SelectNodeTo took types before the opcode unlike
...
every other SD API. Fix it to take the opcode before the types.
llvm-svn: 23079
2005-08-26 16:36:26 +00:00
89093ca62a
SUBFIC produces two results, not one.
...
llvm-svn: 23073
2005-08-26 00:34:06 +00:00
bed4f2b982
Implement SHL_PARTS and SRL_PARTS
...
llvm-svn: 23072
2005-08-26 00:28:00 +00:00
b81431b012
Emit the lo/hi parts in the right order :)
...
llvm-svn: 23068
2005-08-25 23:36:49 +00:00
02884fe41c
implement support for 64-bit add/sub, fix a broken assertion for 64-bit
...
return. Allow the udiv breaker-upper to work with any non-zero constant
operand.
llvm-svn: 23066
2005-08-25 23:21:06 +00:00
6e184f2b3d
Finish implementing SDIV/UDIV by copying over the majik constant code from
...
ISelPattern
llvm-svn: 23062
2005-08-25 22:04:30 +00:00
b746dd1cf6
Implement setcc correctly for G5 and non-G5 systems
...
llvm-svn: 23060
2005-08-25 21:39:42 +00:00
3dcd75bc54
implement setcc on the G5. We're still missing the non-g5 specific bits, but
...
they will come later.
llvm-svn: 23059
2005-08-25 20:08:18 +00:00
dc66457022
Add support for sdiv by 2^k and -2^k. Producing code like:
...
_test:
srawi r2, r3, 2
addze r3, r2
blr
llvm-svn: 23052
2005-08-25 17:50:06 +00:00
25db699671
Implement support for taking the address of constant pool indices, which
...
is used by the int -> FP code among other things. This gets
2005-05-12-Int64ToFP past that failure, to dying on lack of support for add_parts
llvm-svn: 23042
2005-08-25 05:04:11 +00:00
666512c832
Add support for FP constants, fixing UnitTests/2004-02-02-NegativeZero
...
llvm-svn: 23038
2005-08-25 04:47:18 +00:00
e4c338d0d8
Fully implement frame index, so that we can pass the address of alloca's
...
around to functions and stuff
llvm-svn: 23036
2005-08-25 00:45:43 +00:00
66a6a13225
implement unconditional branches, fixing UnitTests/2003-05-02-DependentPHI.c
...
llvm-svn: 23034
2005-08-25 00:29:58 +00:00
794eb6684d
Fix a broken assertion
...
llvm-svn: 23032
2005-08-25 00:19:12 +00:00
a3fbdae515
Split IMPLICIT_DEF into IMPLICIT_DEF_GPR and IMPLICIT_DEF_FP, so that the
...
instructions take a consistent reg class. Implement ISD::UNDEF in the dag->dag
selector to generate this, fixing UnitTests/2003-07-06-IntOverflow.
llvm-svn: 23028
2005-08-24 23:08:16 +00:00
d83cd354bd
implement support for calls
...
llvm-svn: 23026
2005-08-24 22:45:17 +00:00
a1e0a2f72b
Remove unused statistic
...
Prefer 'neg X' to 'subfic 0, X' since neg does not set XER[CA]
llvm-svn: 23001
2005-08-24 05:03:20 +00:00
b6d034a841
Add callseq_begin/end support
...
Call stil not supported yet
llvm-svn: 22998
2005-08-24 00:47:15 +00:00
ca0c0d7550
Implement stores.
...
llvm-svn: 22963
2005-08-22 01:27:59 +00:00
1d634b2f44
Fix compilation of:
...
float %test2(float* %P) {
%Q = load float* %P
%R = add float %Q, %Q
ret float %R
}
By returning the right result.
llvm-svn: 22961
2005-08-22 00:59:14 +00:00
c5292ec9de
Implement most of load support. There is still a bug though.
...
llvm-svn: 22959
2005-08-21 22:31:09 +00:00
2a1823d178
Implement selection for branches.
...
llvm-svn: 22951
2005-08-21 18:50:37 +00:00
4564039498
add support for global address, including PIC support.
...
This REALLY should be lowered by the legalizer!
llvm-svn: 22941
2005-08-19 22:38:53 +00:00
65d66797a5
Fix a typeo, no wonder all tokenfactor edges were the same!
...
llvm-svn: 22935
2005-08-19 21:33:02 +00:00
93c4bc6dca
ISD::OR, and it's accompanying SelectBitfieldInsert
...
llvm-svn: 22889
2005-08-19 00:38:14 +00:00
33acb2c135
Add shifts.
...
llvm-svn: 22884
2005-08-18 23:38:00 +00:00
4e00ff6e70
Move this to the emitter
...
llvm-svn: 22877
2005-08-18 20:08:53 +00:00
015d73996d
After selecting the instructions for a basic block, emit the instructions
...
llvm-svn: 22869
2005-08-18 18:46:06 +00:00
15b5c7ca84
remove some unused stuff
...
llvm-svn: 22866
2005-08-18 18:34:00 +00:00
d32638706a
Improve ISD::Constant codegen.
...
Now for int foo() { return -1; } we generate:
_foo:
li r3, -1
blr
instead of
_foo:
lis r2, -1
ori r3, r2, 65535
blr
llvm-svn: 22864
2005-08-18 18:01:39 +00:00
b3821a3943
Add support for ISD::AND, and its various optimized forms.
...
llvm-svn: 22857
2005-08-18 07:30:46 +00:00
cfb9a74c2e
Maintain consistency in negating things
...
llvm-svn: 22855
2005-08-18 05:44:50 +00:00
72d6f8800d
Implement XOR, remove a broken sign_extend_inreg case
...
llvm-svn: 22854
2005-08-18 05:00:13 +00:00
4bfb4a215d
Add a bunch more simple nodes.
...
llvm-svn: 22851
2005-08-18 03:04:18 +00:00
457367f14c
Add a couple more nodes that are easy to handle
...
llvm-svn: 22850
2005-08-18 00:53:47 +00:00
74d5529b88
Be fruitful and multiply!
...
llvm-svn: 22849
2005-08-18 00:21:41 +00:00
3fcf47d8f0
Teach the DAG->DAG ISel about FNEG, and how it can be used to invert
...
several of the PowerPC opcodes that come in both negated and non-negated
forms.
llvm-svn: 22845
2005-08-17 23:46:35 +00:00
43ff01e2e6
initial hack at a dag->dag instruction selector. This is obviously woefully
...
incomplete, but it is a start. It handles basic argument/retval stuff, immediates,
add and sub.
llvm-svn: 22836
2005-08-17 19:33:03 +00:00
Chris Lattner