a3da8c4819
Remove a bogus piece of my AssertSext/AssertZext patch. oops.
...
llvm-svn: 23148
2005-08-30 02:54:28 +00:00
43144a2fe0
Add support for AssertSext and AssertZext, folding other extensions with
...
them. This allows for elminination of redundant extends in the entry
blocks of functions on PowerPC.
Add support for i32 x i32 -> i64 multiplies, by recognizing when the inputs
to ISD::MUL in ExpandOp are actually just extended i32 values and not real
i64 values. this allows us to codegen
int mulhs(int a, int b) { return ((long long)a * b) >> 32; }
as:
_mulhs:
mulhw r3, r4, r3
blr
instead of:
_mulhs:
mulhwu r2, r4, r3
srawi r5, r3, 31
mullw r5, r4, r5
add r2, r2, r5
srawi r4, r4, 31
mullw r3, r4, r3
add r3, r2, r3
blr
with a similar improvement on x86.
llvm-svn: 23147
2005-08-30 02:44:00 +00:00
c9d1e370a5
Add AssertSext, AssertZext nodes for targets that pass arguments in
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registers, and the incoming values have already been zero or sign extended
from the appopriate type to the register width.
llvm-svn: 23146
2005-08-30 02:39:32 +00:00
08a1e38730
Name this variable to be what it really is!
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llvm-svn: 23145
2005-08-30 01:58:51 +00:00
04cb82278a
Handle CopyToReg nodes with flag operands correctly
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llvm-svn: 23144
2005-08-30 01:57:23 +00:00
7a59b1cf90
Make sure the selector emits register register copies with flag operands
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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
709190d540
add some method variants
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llvm-svn: 23142
2005-08-30 01:56:13 +00:00
e413b60632
The first operand to AND does not always have more than two operands. This
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fixes MediaBench/toast with the dag selector
llvm-svn: 23141
2005-08-30 00:59:16 +00:00
e75b5e63a7
Fix a bug in my patch for legalizing to fsel. It cannot handle seteq/setne,
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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
61f7c3e843
emit FMR instructions to convert f64<->f32 instructions, so things like
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STOREs, know the right type to store.
llvm-svn: 23139
2005-08-30 00:30:43 +00:00
62b9a5d1f8
Fix some really strange indentation that xcode likes to use.
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no xcode, this is not right:
if (!foo) break;
X;
llvm-svn: 23138
2005-08-30 00:19:00 +00:00
12357281b8
fix a crash in cfrac
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llvm-svn: 23137
2005-08-29 23:49:25 +00:00
1cbbe1015a
Implement DYNAMIC_STACKALLOC, wrap some long lines
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llvm-svn: 23136
2005-08-29 23:30:11 +00:00
f7e5ec84c6
Add a hack to avoid some horrible code in some cases by always emitting
...
token chains first. For this C function:
int test() {
int i;
for (i = 0; i < 100000; ++i)
foo();
}
Instead of emitting this (condition before call)
.LBB_test_1: ; no_exit
addi r30, r30, 1
lis r2, 1
ori r2, r2, 34464
cmpw cr2, r30, r2
bl L_foo$stub
bne cr2, .LBB_test_1 ; no_exit
Emit this:
.LBB_test_1: ; no_exit
bl L_foo$stub
addi r30, r30, 1
lis r2, 1
ori r2, r2, 34464
cmpw cr0, r30, r2
bne cr0, .LBB_test_1 ; no_exit
Which makes it so we don't have to save/restore cr2 in the prolog/epilog of
the function.
This also makes the code much more similar to what the pattern isel produces.
llvm-svn: 23135
2005-08-29 23:21:29 +00:00
0d45ee4a06
improve comment
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llvm-svn: 23134
2005-08-29 22:48:32 +00:00
b2b418509b
Fix a dumb bug of mine where we were mishandling the PPC ABI (undef handling).
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This fixes voronoi and bh in Olden, allowing all of olden to pass!
llvm-svn: 23133
2005-08-29 22:22:57 +00:00
3439ccce4d
Add a new API for nate
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llvm-svn: 23132
2005-08-29 22:00:00 +00:00
c738d000d5
Add a new API for Nate
...
llvm-svn: 23131
2005-08-29 21:59:31 +00:00
835cbb364d
Some of us cared about the the promote path
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llvm-svn: 23130
2005-08-29 20:46:51 +00:00
dcde1b2b6a
Fix an infinite loop on x86
...
llvm-svn: 23129
2005-08-29 17:30:00 +00:00
1a1ecf0679
Allow bugpoint+PPC codegen to use fsqrt
...
llvm-svn: 23128
2005-08-29 13:14:24 +00:00
c429ab2fb1
Fix a bug the last patch exposed in treeadd among others
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llvm-svn: 23127
2005-08-29 01:07:02 +00:00
d4d683a47b
A hack to fix a problem folding immedaites. This fixes Olden/power.
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llvm-svn: 23126
2005-08-29 01:01:01 +00:00
3ccad3fb8c
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
46d4c75cd1
Fix a bug in my previous patch that was using the wrong iterator. This fixes
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Olden/bisort among others.
llvm-svn: 23124
2005-08-29 00:10:46 +00:00
66ddc8d3bf
add operands in the correct order
...
llvm-svn: 23123
2005-08-29 00:02:01 +00:00
87421c8658
Fix a bug in ReplaceAllUsesWith
...
llvm-svn: 23122
2005-08-28 23:59:36 +00:00
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
aa7fbca285
Adjust to member variable name change.
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llvm-svn: 23119
2005-08-27 19:09:48 +00:00
85d93a3ec9
Change the names of member variables per Chris' instructions, and document
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them more clearly.
llvm-svn: 23118
2005-08-27 19:09:02 +00:00
3f0a2493a5
Fix a typo.
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llvm-svn: 23117
2005-08-27 19:06:05 +00:00
dfb3fb4a25
Implement PR614:
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These changes modify the makefiles so that the output of flex and bison are
placed in the SRC directory, not the OBJ directory. It is intended that they
be checked in as any other LLVM source so that platforms without convenient
access to flex/bison can be compiled. From now on, if you change a .y or
.l file you *must* also commit the generated .cpp and .h files.
llvm-svn: 23115
2005-08-27 18:50:39 +00:00
075250bda1
Disable this code, which broke many tests last night
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llvm-svn: 23114
2005-08-27 16:16:51 +00:00
5ee85e89b6
fix PHI node emission for basic blocks that have select_cc's in them on ppc32
...
llvm-svn: 23113
2005-08-27 00:58:02 +00:00
787e962795
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
29bfaa7ef0
Propagate cr# from COND_BRANCH to the actual branch instruction as appropriate
...
llvm-svn: 23111
2005-08-26 23:41:27 +00:00
56ca46ee04
Nate noticed that Andrew never did this. This fixes PR600
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llvm-svn: 23110
2005-08-26 22:50:40 +00:00
e7a2998064
Don't copy regs that are only used in the entry block into a vreg. This
...
changes the code generated for:
short %test(short %A) {
%B = xor short %A, -32768
ret short %B
}
to:
_test:
xori r2, r3, 32768
xoris r2, r2, 65535
extsh r3, r2
blr
instead of:
_test:
rlwinm r2, r3, 0, 16, 31
xori r2, r3, 32768
xoris r2, r2, 65535
extsh r3, r2
blr
llvm-svn: 23109
2005-08-26 22:49:59 +00:00
d4f43f7967
Make this code safe for when loadRegFromStackSlot inserts multiple instructions.
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llvm-svn: 23108
2005-08-26 22:18:32 +00:00
422e23dd02
allow code using mtcrf to assemble
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llvm-svn: 23107
2005-08-26 22:05:54 +00:00
72f23815bc
Remove operand type 'crbit', since it is no longer used
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llvm-svn: 23106
2005-08-26 22:04:17 +00:00
c3d1bdd0a9
teach getClass what a condition reg is
...
llvm-svn: 23105
2005-08-26 21:51:29 +00:00
97345405a6
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
4a5ebe94ba
Checking types here is not safe, because multiple types can map to the same
...
register class.
llvm-svn: 23103
2005-08-26 21:39:15 +00:00
9b577f108a
implement SELECT_CC fully for the DAG->DAG isel!
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llvm-svn: 23101
2005-08-26 21:23:58 +00:00
db88626603
add some forward defs
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llvm-svn: 23100
2005-08-26 21:06:40 +00:00
c6a0338c04
spell this right
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llvm-svn: 23099
2005-08-26 20:55:40 +00:00
13d7c252e5
Call the InsertAtEndOfBasicBlock hook if the usesCustomDAGSchedInserter
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flag is set on an instruction.
llvm-svn: 23098
2005-08-26 20:54:47 +00:00
17c28fa36b
spell this right!
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llvm-svn: 23097
2005-08-26 20:53:44 +00:00
Nate Begeman