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173c3fb3e5
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771 Commits

Author SHA1 Message Date
Chris Lattner
173c3fb3e5 Move SHL,SHR i64 -> legalizer 
llvm-svn: 23178
 2005-08-31 20:23:54 +00:00
Chris Lattner
89c78777c0 Remove code that is now dead from the pattern isel. 
llvm-svn: 23177
 2005-08-31 19:11:36 +00:00
Chris Lattner
353d5c167f lower sra_parts on the dag, implementing it for the dag isel, and exposing 
the ops to dag optimization.

llvm-svn: 23176
 2005-08-31 19:09:57 +00:00
Chris Lattner
eef2e52921 add assert zext/sext to the dag isel 
llvm-svn: 23171
 2005-08-31 18:08:46 +00:00
Chris Lattner
2d4180badc Handle AssertSext/AssertZext nodes, fixing the regressions last night. 
llvm-svn: 23170
 2005-08-31 17:48:04 +00:00
Nate Begeman
c28c33f5a4 Enable generation of AssertSext and AssertZext in the PPC backend. 
llvm-svn: 23168
 2005-08-31 01:58:39 +00:00
Chris Lattner
3d6bf9e384 Fix 'ret long' to return the high and lo parts in the right registers. This 
fixes crafty and probably others.

llvm-svn: 23167
 2005-08-31 01:34:29 +00:00
Chris Lattner
f08ec1bc4f now that physregs can exist in the same dag with multiple types, remove some 
ugly hacks

llvm-svn: 23162
 2005-08-30 22:59:48 +00:00
Chris Lattner
0739f5a9da Fix type mismatches when passing f32 values to calls 
llvm-svn: 23159
 2005-08-30 21:28:19 +00:00
Chris Lattner
2f4de6af75 Fix some indentation (first hunks). 
Remove code (last hunk) that miscompiled immediate and's, such as
  and uint %tmp.30, 4294958079

into

 andi. r8, r8, 56319
 andis. r8, r8, 65535

instead of:

 li r9, -9217
 and r8, r8, r9

The first always generates zero.

This fixes espresso.

llvm-svn: 23155
 2005-08-30 18:37:48 +00:00
Chris Lattner
fd2708cce1 Fix a problem Nate found where we swapped the operands of SHL/SHR_PARTS. This 
fixes fourinarow

llvm-svn: 23153
 2005-08-30 17:42:59 +00:00
Chris Lattner
6a4bdd85ad codegen ADD_PARTS correctly: put the results in the right registers! This 
fixes fhourstones

llvm-svn: 23152
 2005-08-30 17:40:13 +00:00
Chris Lattner
025f964997 add operands in the right order, fixing McCat/18-imp with the dag isel 
llvm-svn: 23150
 2005-08-30 17:13:58 +00:00
Chris Lattner
0e6343b2e4 Make sure the selector emits register register copies with flag operands 
linking them to calls when appropriate, this prevents the scheduler from
pulling these copies away from the call.

This fixes Ptrdist/yacr2

llvm-svn: 23143
 2005-08-30 01:57:02 +00:00
Chris Lattner
66ff5ca72d The first operand to AND does not always have more than two operands. This 
fixes MediaBench/toast with the dag selector

llvm-svn: 23141
 2005-08-30 00:59:16 +00:00
Chris Lattner
a31670b930 Fix a bug in my patch for legalizing to fsel. It cannot handle seteq/setne, 
which I failed to include when I moved the code over.  This fixes
MallocBench/gs.

llvm-svn: 23140
 2005-08-30 00:45:18 +00:00
Chris Lattner
874adc990b emit FMR instructions to convert f64<->f32 instructions, so things like 
STOREs, know the right type to store.

llvm-svn: 23139
 2005-08-30 00:30:43 +00:00
Chris Lattner
14f50b0df9 Fix some really strange indentation that xcode likes to use. 
no xcode, this is not right:

   if (!foo) break;
     X;

llvm-svn: 23138
 2005-08-30 00:19:00 +00:00
Chris Lattner
5c81e4b034 fix a crash in cfrac 
llvm-svn: 23137
 2005-08-29 23:49:25 +00:00
Chris Lattner
7a6dfa3f21 Implement DYNAMIC_STACKALLOC, wrap some long lines 
llvm-svn: 23136
 2005-08-29 23:30:11 +00:00
Chris Lattner
238fbfcf67 Fix a dumb bug of mine where we were mishandling the PPC ABI (undef handling). 
This fixes voronoi and bh in Olden, allowing all of olden to pass!

llvm-svn: 23133
 2005-08-29 22:22:57 +00:00
Chris Lattner
bc3fb85efd Fix a bug the last patch exposed in treeadd among others 
llvm-svn: 23127
 2005-08-29 01:07:02 +00:00
Chris Lattner
9821903d65 A hack to fix a problem folding immedaites. This fixes Olden/power. 
llvm-svn: 23126
 2005-08-29 01:01:01 +00:00
Chris Lattner
eda3f49562 Fix order of operands for copytoreg node when emitting calls. This fixes 
Olden/msFix order of operands for copytoreg node when emitting calls.  This fixes
Olden/mstt.

llvm-svn: 23125
 2005-08-29 00:26:57 +00:00
Chris Lattner
33297adfb6 add operands in the correct order 
llvm-svn: 23123
 2005-08-29 00:02:01 +00:00
Chris Lattner
bd8cf87228 Fix a bug in FP_EXTEND, implement FP_TO_SINT 
llvm-svn: 23121
 2005-08-28 23:59:09 +00:00
Chris Lattner
8a7276ca25 fix an assertion failure in treeadd 
llvm-svn: 23120
 2005-08-28 23:39:22 +00:00
Chris Lattner
25ce484c27 The condition register being branched on may not be cr0, as such, print it. 
This fixes: UnitTests/2005-07-17-INT-To-FP.c

llvm-svn: 23112
 2005-08-26 23:42:05 +00:00
Chris Lattner
a3689deabf Propagate cr# from COND_BRANCH to the actual branch instruction as appropriate 
llvm-svn: 23111
 2005-08-26 23:41:27 +00:00
Chris Lattner
780ca10bcc allow code using mtcrf to assemble 
llvm-svn: 23107
 2005-08-26 22:05:54 +00:00
Nate Begeman
d7f60a5eb6 Remove operand type 'crbit', since it is no longer used 
llvm-svn: 23106
 2005-08-26 22:04:17 +00:00
Chris Lattner
46daaac4e0 teach getClass what a condition reg is 
llvm-svn: 23105
 2005-08-26 21:51:29 +00:00
Chris Lattner
2c7a9bde76 Minor cleanups: 
* avoid calling getClass() multiple times (it is relatively expensive)
  * Allow -disable-fp-elim to turn of frame pointer elimination.

llvm-svn: 23104
 2005-08-26 21:49:18 +00:00
Chris Lattner
f470259b50 implement SELECT_CC fully for the DAG->DAG isel! 
llvm-svn: 23101
 2005-08-26 21:23:58 +00:00
Chris Lattner
04b88ca768 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
Chris Lattner
0d2ee60c48 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
Chris Lattner
2d90a50778 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
Nate Begeman
1c59e5bdd5 Remove some code made dead by the fsel patch 
llvm-svn: 23085
 2005-08-26 17:45:06 +00:00
Chris Lattner
a1c6bad722 now that fsel is formed during legalization, this code is dead 
llvm-svn: 23084
 2005-08-26 17:40:39 +00:00
Chris Lattner
007e1e07e3 implement the other half of the select_cc -> fsel lowering, which handles 
when the RHS of the comparison is 0.0.  Turn this on by default.

llvm-svn: 23083
 2005-08-26 17:36:52 +00:00
Chris Lattner
a31708e6b3 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
Chris Lattner
97a34c653d Fix some warnings in an optimized build 
llvm-svn: 23080
 2005-08-26 16:38:51 +00:00
Chris Lattner
929c00e9e9 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
Nate Begeman
2d6f0e333a Fix JIT encoding of conditional branches 
llvm-svn: 23076
 2005-08-26 04:11:42 +00:00
Chris Lattner
dae9a4899f add initial support for converting select_cc -> fsel in the legalizer 
instead of in the backend.  This currently handles fsel cases with registers,
but doesn't have the 0.0 and -0.0 optimization enabled yet.

Once this is finished, special hack for fp immediates can go away.

llvm-svn: 23075
 2005-08-26 00:52:45 +00:00
Nate Begeman
254ecb7886 SUBFIC produces two results, not one. 
llvm-svn: 23073
 2005-08-26 00:34:06 +00:00
Nate Begeman
0619930d74 Implement SHL_PARTS and SRL_PARTS 
llvm-svn: 23072
 2005-08-26 00:28:00 +00:00
Chris Lattner
578b7f212f Emit the lo/hi parts in the right order :) 
llvm-svn: 23068
 2005-08-25 23:36:49 +00:00
Chris Lattner
4433d74ea5 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
Chris Lattner
e4cf3ab5d4 simplify the add/sub_parts code 
llvm-svn: 23065
 2005-08-25 23:19:58 +00:00