Evan Cheng
31ff1ff348
Typo! How did we commute nodes before?!
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28229 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-12 01:46:26 +00:00
Chris Lattner
a5f0419b4e
For extra sanity checking, fill free'd memory with garbage so we know that
...
people aren't reusing machine code buffers at all.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28228 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-12 00:03:12 +00:00
Chris Lattner
9f3d1ba9ad
Fix some bugs in the freelist manipulation code.
...
Finally, implement ExecutionEngine::freeMachineCodeForFunction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28227 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-11 23:56:57 +00:00
Evan Cheng
e165a78551
Refactor scheduler code. Move register-reduction list scheduler to a
...
separate file. Added an initial implementation of top-down register pressure
reduction list scheduler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28226 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-11 23:55:42 +00:00
Chris Lattner
e993cc27ad
Significantly revamp allocation of machine code to use free lists, real
...
allocation policies and much more. All this complexity, and we have no
functionality change, woo! :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28225 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-11 23:08:08 +00:00
Chris Lattner
8c8c66a8cd
Refactor some code, making it simpler.
...
When doing the initial pass of constant folding, if we get a constantexpr,
simplify the constant expr like we would do if the constant is folded in the
normal loop.
This fixes the missed-optimization regression in
Transforms/InstCombine/getelementptr.ll last night.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28224 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-11 17:11:52 +00:00
Evan Cheng
f4df680ad4
Add MOV16_rm / MOV32_rm and MOV16_mr / MOV32_mr to isLoadFromStackSlot and isStoreToStackSlot
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28223 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-11 07:33:49 +00:00
Evan Cheng
993141402f
Set weight of zero length intervals to infinite to prevent them from being
...
spilled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28220 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-11 07:29:24 +00:00
Evan Cheng
5d02eafaf2
Backing out previous check-in.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28219 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-11 07:28:16 +00:00
Evan Cheng
1f300190f3
If the live interval legnth is essentially zero, i.e. in every live range
...
the use follows def immediately, it doesn't make sense to spill it and
hope it will be easier to allocate for this LI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28217 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-10 22:30:41 +00:00
Chris Lattner
f4f5a77fdc
Two changes:
...
1. Implement InstCombine/deadcode.ll by not adding instructions in unreachable
blocks (due to constants in conditional branches/switches) to the worklist.
This causes them to be deleted before instcombine starts up, leading to
better optimization.
2. In the prepass over instructions, do trivial constprop/dce as we go. This
has the effect of improving the effectiveness of #1 . In addition, it
*significantly* speeds up instcombine on test cases with large amounts of
constant folding code (for example, that produced by code specialization
or partial evaluation). In one example, it speeds up instcombine from
0.0589s to 0.0224s with a release build (a 2.6x speedup).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28215 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-10 19:00:36 +00:00
Chris Lattner
3e6a35076e
Fix the PowerPC JIT-only failure on UnitTests/Vector/sumarray-dbl, which is
...
really a bad codegen bug that LLC happens to get lucky with. I must chat with
Nate for the proper fix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28213 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-10 06:38:32 +00:00
Evan Cheng
90db0358bb
Templatify RegReductionPriorityQueue
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28212 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-10 06:16:44 +00:00
Chris Lattner
e46749cce0
Add an assertion for a common error
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28210 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-10 04:32:43 +00:00
Nate Begeman
ec57fd91af
Fix PR773
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28207 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 18:20:51 +00:00
Chris Lattner
c8d37c6e14
Fix a regression in my patch from last night that broke the llvmgcc4 build on
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ppc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28205 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 16:41:59 +00:00
Chris Lattner
219f1b535d
Indent .data/.text in the .s file
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28204 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 16:15:00 +00:00
Evan Cheng
b63b067925
Add pseudo dependency to force a def&use operand to be scheduled last (unless
...
the distance between the def and another use is much longer). This is under
option control for now "-sched-lower-defnuse".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28201 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 07:13:34 +00:00
Evan Cheng
60e8c71c9f
Debugging info
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28200 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 06:55:15 +00:00
Evan Cheng
8399c5cbe4
Remove a completed entry.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28199 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 06:54:05 +00:00
Evan Cheng
e73701df94
PR 770 - permit coallescing of registers in subset register classes.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28197 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 06:37:48 +00:00
Chris Lattner
7faec9b93a
Implement MASM sections correctly, without a "has masm sections flag" and a bunch of special case code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28194 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 05:33:48 +00:00
Chris Lattner
a7090ae7a3
Oh yeah, there are two of these now, unify both.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28192 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 05:24:50 +00:00
Chris Lattner
b81cb6133e
Setting SwitchToSectionDirective properly in the MASM backend permits a bunch
...
of code to be unified.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28191 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 05:23:12 +00:00
Chris Lattner
c9260a1556
MASM doesn't have one of these.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28190 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 05:21:47 +00:00
Chris Lattner
23b9eac4cb
Don't prefix section directives with a tab. Doing so causes blank lines to
...
be emitted to the .s file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28189 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 05:19:59 +00:00
Chris Lattner
13f161c518
Make the masm codepath work like the normal code path.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28188 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 05:15:58 +00:00
Chris Lattner
e7027d5339
Preserve prior behavior
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28187 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 05:15:24 +00:00
Chris Lattner
4ca4bb1ed2
The MASM asmprinter has been fixed, these hacks are no longer needed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28186 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 05:13:34 +00:00
Chris Lattner
dad9c5a14f
Fix the MASM asmprinter's lies. It does not want to emit code to .text/.data
...
it wants it emitted to _text/_data.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28185 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 05:12:53 +00:00
Chris Lattner
4632d7a570
Split SwitchSection into SwitchTo{Text|Data}Section methods.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28184 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 04:59:56 +00:00
Chris Lattner
4c15e33946
Some notes and thoughts to myself
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28182 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 04:58:46 +00:00
Chris Lattner
8d89e7bdbc
Patch to make some xforms preserve each other. Patch contributed by
...
Domagoj Babic!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28181 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-09 04:13:41 +00:00
Chris Lattner
e7fd553b3b
Move some methods out of line so that MutexGuard.h isn't needed in a public header.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28179 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 22:00:52 +00:00
Chris Lattner
9fd868ae0a
Another bad case I noticed
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28177 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 21:39:45 +00:00
Chris Lattner
8ef67ac3c3
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28176 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 21:24:21 +00:00
Chris Lattner
4b37e87ab9
Make the case I just checked in stronger. Now we compile this:
...
short test2(short X, short x) {
int Y = (short)(X+x);
return Y >> 1;
}
to:
_test2:
add r2, r3, r4
extsh r2, r2
srawi r3, r2, 1
blr
instead of:
_test2:
add r2, r3, r4
extsh r2, r2
srwi r2, r2, 1
extsh r3, r2
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28175 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 21:18:59 +00:00
Chris Lattner
eaeda56649
Implement and_sext.ll:test3, generating:
...
_test4:
srawi r3, r3, 16
blr
instead of:
_test4:
srwi r2, r3, 16
extsh r3, r2
blr
for:
short test4(unsigned X) {
return (X >> 16);
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28174 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 20:59:41 +00:00
Nate Begeman
7514620052
Yet more readme updating
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28172 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 20:54:02 +00:00
Chris Lattner
a850446a0b
Compile this:
...
short test4(unsigned X) {
return (X >> 16);
}
to:
_test4:
movl 4(%esp), %eax
sarl $16, %eax
ret
instead of:
_test4:
movl $-65536, %eax
andl 4(%esp), %eax
sarl $16, %eax
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28171 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 20:51:54 +00:00
Nate Begeman
fcf64a91d6
New note about something bad happening in target independent optimizers
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28170 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 20:08:28 +00:00
Nate Begeman
d8624ed07f
Proving once again that I am not as smart as the compiler
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28169 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 19:09:24 +00:00
Nate Begeman
4667f2cbad
Fold more shifts into inserts, and update the README
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28168 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 17:38:32 +00:00
Chris Lattner
2cfd6746ae
Fold shifts with undef operands.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28167 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 17:29:49 +00:00
Chris Lattner
1b7371331f
When tracking demanded bits, if any bits from the sext of an SRA are demanded,
...
then so is the input sign bit. This fixes mediabench/g721 on X86.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28166 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 17:22:53 +00:00
Nate Begeman
17c275ff2c
Make emission of jump tables a bit less conservative; they are now required
...
to be only 31.25% dense, rather than 75% dense.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28165 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 16:51:36 +00:00
Evan Cheng
403be7eafc
Fixing truncate. Previously we were emitting truncate from r16 to r8 as
...
movw. That is we promote the destination operand to r16. So
%CH = TRUNC_R16_R8 %BP
is emitted as
movw %bp, %cx.
This is incorrect. If %cl is live, it would be clobbered.
Ideally we want to do the opposite, that is emitted it as
movb ??, %ch
But this is not possible since %bp does not have a r8 sub-register.
We are now defining a new register class R16_ which is a subclass of R16
containing only those 16-bit registers that have r8 sub-registers (i.e.
AX - DX). We isel the truncate to two instructions, a MOV16to16_ to copy the
value to the R16_ class, followed by a TRUNC_R16_R8.
Due to bug 770, the register colaescer is not going to coalesce between R16 and
R16_. That will be fixed later so we can eliminate the MOV16to16_. Right now, it
can only be eliminated if we are lucky that source and destination registers are
the same.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28164 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 08:01:26 +00:00
Nate Begeman
93376b083e
Update some stuff now that the new rlwimi code has gone in
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28162 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 02:52:38 +00:00
Nate Begeman
5c742681ed
Fix PR772
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28161 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-08 01:35:01 +00:00
Evan Cheng
74811450b2
Typo's
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28158 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-07 10:10:20 +00:00
Jeff Cohen
e564de2d37
Unlike Unix, Windows won't let a file be implicitly replaced via renaming without explicit permission.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28157 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-07 02:51:51 +00:00
Nate Begeman
77f361f5b3
New rlwimi implementation, which is superior to the old one. There are
...
still a couple missed optimizations, but we now generate all the possible
rlwimis for multiple inserts into the same bitfield. More regression tests
to come.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28156 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-07 00:23:38 +00:00
Chris Lattner
822db93e57
Use ComputeMaskedBits to determine # sign bits as a fallback. This allows us
...
to handle all kinds of stuff, including silly things like:
sextinreg(setcc,i16) -> setcc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28155 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 23:48:13 +00:00
Chris Lattner
e60351bb72
Add some more sign propagation cases
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28154 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 23:40:29 +00:00
Jeff Cohen
943b9b6651
Apply bug fix supplied by Greg Pettyjohn for a bug he found: '<invalid>' is not a legal path on Windows.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28153 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 23:25:53 +00:00
Chris Lattner
310b578023
Simplify some code, add a couple minor missed folds
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28152 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 23:06:26 +00:00
Chris Lattner
b9ebacdb4d
constant fold sign_extend_inreg
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28151 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 23:05:41 +00:00
Chris Lattner
541a24f7af
remove cases handled elsewhere
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28150 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 22:43:44 +00:00
Chris Lattner
d6f7fe76a6
Add some more simple sign bit propagation cases.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28149 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 22:39:59 +00:00
Jeff Cohen
d43b18d9e4
Fix some loose ends in MASM support.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28148 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 21:27:14 +00:00
Chris Lattner
ee4ea92358
Use the new TargetLowering::ComputeNumSignBits method to eliminate
...
sign_extend_inreg operations. Though ComputeNumSignBits is still rudimentary,
this is enough to compile this:
short test(short X, short x) {
int Y = X+x;
return (Y >> 1);
}
short test2(short X, short x) {
int Y = (short)(X+x);
return Y >> 1;
}
into:
_test:
add r2, r3, r4
srawi r3, r2, 1
blr
_test2:
add r2, r3, r4
extsh r2, r2
srawi r3, r2, 1
blr
instead of:
_test:
add r2, r3, r4
srawi r2, r2, 1
extsh r3, r2
blr
_test2:
add r2, r3, r4
extsh r2, r2
srawi r2, r2, 1
extsh r3, r2
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28146 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 09:30:03 +00:00
Chris Lattner
5c3e21d687
Add some really really simple code for computing sign-bit propagation.
...
This will certainly be enhanced in the future.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28145 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 09:27:13 +00:00
Chris Lattner
f0df8824eb
When inserting casts, be careful of where we put them. We cannot insert
...
a cast immediately before a PHI node.
This fixes Regression/CodeGen/Generic/2006-05-06-GEP-Cast-Sink-Crash.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28143 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 09:10:37 +00:00
Chris Lattner
33a6113995
Move some code around.
...
Make the "fold (and (cast A), (cast B)) -> (cast (and A, B))" transformation
only apply when both casts really will cause code to be generated. If one or
both doesn't, then this xform doesn't remove a cast.
This fixes Transforms/InstCombine/2006-05-06-Infloop.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28141 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 09:00:16 +00:00
Chris Lattner
80a7ecc923
Teach the X86 backend about non-i32 inline asm register classes.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28139 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 00:29:37 +00:00
Chris Lattner
c93dfda905
Fold (trunc (srl x, c)) -> (srl (trunc x), c)
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28138 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-06 00:11:52 +00:00
Chris Lattner
b72773bb88
Fold trunc(any_ext). This gives stuff like:
...
27,28c27
< movzwl %di, %edi
< movl %edi, %ebx
---
> movw %di, %bx
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28137 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 22:56:26 +00:00
Chris Lattner
06afe07037
Shrink shifts when possible.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28136 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 22:53:17 +00:00
Chris Lattner
fe8babf689
Implement ComputeMaskedBits/SimplifyDemandedBits for ISD::TRUNCATE
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28135 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 22:32:12 +00:00
Chris Lattner
35c3913328
Print a grouping around inline asm blocks so that we can tell when we are
...
using them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28134 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 21:50:04 +00:00
Chris Lattner
7660ebc90a
Print *some* grouping around inline asm blocks so we know where they are.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28133 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 21:48:50 +00:00
Chris Lattner
1c05997bd8
Indent multiline asm strings more nicely
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28132 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 21:47:05 +00:00
Chris Lattner
bd04aa5796
Teach the code generator to use cvtss2sd as extload f32 -> f64
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28131 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 21:35:18 +00:00
Chris Lattner
e564dbb51c
Fold (fpext (load x)) -> (extload x)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28130 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 21:34:35 +00:00
Chris Lattner
903236468c
More aggressively sink GEP offsets into loops. For example, before we
...
generated:
movl 8(%esp), %eax
movl %eax, %edx
addl $4316, %edx
cmpb $1, %cl
ja LBB1_2 #cond_false
LBB1_1: #cond_true
movl L_QuantizationTables720$non_lazy_ptr, %ecx
movl %ecx, (%edx)
movl L_QNOtoQuantTableShift720$non_lazy_ptr, %edx
movl %edx, 4460(%eax)
ret
...
Now we generate:
movl 8(%esp), %eax
cmpb $1, %cl
ja LBB1_2 #cond_false
LBB1_1: #cond_true
movl L_QuantizationTables720$non_lazy_ptr, %ecx
movl %ecx, 4316(%eax)
movl L_QNOtoQuantTableShift720$non_lazy_ptr, %ecx
movl %ecx, 4460(%eax)
ret
... which uses one fewer register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28129 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 21:17:49 +00:00
Chris Lattner
581a7ad7c9
Fix an infinite loop compiling oggenc last night.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28128 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 20:51:30 +00:00
Evan Cheng
4713724eda
Need extload patterns after Chris' DAG combiner changes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28127 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 08:23:07 +00:00
Chris Lattner
6fc205fc44
Implement InstCombine/cast.ll:test29
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28126 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 06:39:07 +00:00
Chris Lattner
0d8dae749c
Fold some common code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28124 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 06:32:04 +00:00
Chris Lattner
540121f1ec
Implement:
...
// fold (and (sext x), (sext y)) -> (sext (and x, y))
// fold (or (sext x), (sext y)) -> (sext (or x, y))
// fold (xor (sext x), (sext y)) -> (sext (xor x, y))
// fold (and (aext x), (aext y)) -> (aext (and x, y))
// fold (or (aext x), (aext y)) -> (aext (or x, y))
// fold (xor (aext x), (aext y)) -> (aext (xor x, y))
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28123 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 06:31:05 +00:00
Chris Lattner
a3dc3f692c
Pull and through and/or/xor. This compiles some bitfield code to:
...
mov EAX, DWORD PTR [ESP + 4]
mov ECX, DWORD PTR [EAX]
mov EDX, ECX
add EDX, EDX
or EDX, ECX
and EDX, -2147483648
and ECX, 2147483647
or EDX, ECX
mov DWORD PTR [EAX], EDX
ret
instead of:
sub ESP, 4
mov DWORD PTR [ESP], ESI
mov EAX, DWORD PTR [ESP + 8]
mov ECX, DWORD PTR [EAX]
mov EDX, ECX
add EDX, EDX
mov ESI, ECX
and ESI, -2147483648
and EDX, -2147483648
or EDX, ESI
and ECX, 2147483647
or EDX, ECX
mov DWORD PTR [EAX], EDX
mov ESI, DWORD PTR [ESP]
add ESP, 4
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28122 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 06:10:43 +00:00
Chris Lattner
5ffc066912
Implement a variety of simplifications for ANY_EXTEND.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28121 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 05:58:59 +00:00
Chris Lattner
35e5c14b80
Factor some code, add these transformations:
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// fold (and (trunc x), (trunc y)) -> (trunc (and x, y))
// fold (or (trunc x), (trunc y)) -> (trunc (or x, y))
// fold (xor (trunc x), (trunc y)) -> (trunc (xor x, y))
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28120 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 05:51:50 +00:00
Evan Cheng
8f7f7125e9
Better implementation of truncate. ISel matches it to a pseudo instruction
...
that gets emitted as movl (for r32 to i16, i8) or a movw (for r16 to i8). And
if the destination gets allocated a subregister of the source operand, then
the instruction will not be emitted at all.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28119 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 05:40:20 +00:00
Chris Lattner
55c63257f3
New note, Nate, please check to see if I'm full of it :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28118 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 05:36:15 +00:00
Jeff Cohen
4b75e73791
Fix VC++ compilation error.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28117 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 01:47:05 +00:00
Chris Lattner
7e598096ea
Sink noop copies into the basic block that uses them. This reduces the number
...
of cross-block live ranges, and allows the bb-at-a-time selector to always
coallesce these away, at isel time.
This reduces the load on the coallescer and register allocator. For example
on a codec on X86, we went from:
1643 asm-printer - Number of machine instrs printed
419 liveintervals - Number of loads/stores folded into instructions
1144 liveintervals - Number of identity moves eliminated after coalescing
1022 liveintervals - Number of interval joins performed
282 liveintervals - Number of intervals after coalescing
1304 liveintervals - Number of original intervals
86 regalloc - Number of times we had to backtrack
1.90232 regalloc - Ratio of intervals processed over total intervals
40 spiller - Number of values reused
182 spiller - Number of loads added
121 spiller - Number of stores added
132 spiller - Number of register spills
6 twoaddressinstruction - Number of instructions commuted to coalesce
360 twoaddressinstruction - Number of two-address instructions
to:
1636 asm-printer - Number of machine instrs printed
403 liveintervals - Number of loads/stores folded into instructions
1155 liveintervals - Number of identity moves eliminated after coalescing
1033 liveintervals - Number of interval joins performed
279 liveintervals - Number of intervals after coalescing
1312 liveintervals - Number of original intervals
76 regalloc - Number of times we had to backtrack
1.88998 regalloc - Ratio of intervals processed over total intervals
1 spiller - Number of copies elided
41 spiller - Number of values reused
191 spiller - Number of loads added
114 spiller - Number of stores added
128 spiller - Number of register spills
4 twoaddressinstruction - Number of instructions commuted to coalesce
356 twoaddressinstruction - Number of two-address instructions
On this testcase, this change provides a modest reduction in spill code,
regalloc iterations, and total instructions emitted. It increases the number
of register coallesces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28115 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-05 01:04:50 +00:00
Chris Lattner
b93b0347d8
Adjust to use proper TargetData copy ctor
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28112 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 21:18:40 +00:00
Chris Lattner
6e994b7492
Final pass of minor cleanups for MachineInstr
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28110 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 19:36:09 +00:00
Evan Cheng
14a6db8bd9
Initial support for register pressure aware scheduling. The register reduction
...
scheduler can go into a "vertical mode" (i.e. traversing up the two-address
chain, etc.) when the register pressure is low.
This does seem to reduce the number of spills in the cases I've looked at. But
with x86, it's no guarantee the performance of the code improves.
It can be turned on with -sched-vertically option.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28108 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 19:16:39 +00:00
Chris Lattner
943b5e117f
Remove redundancy and a level of indirection when creating machine operands
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28107 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 19:14:44 +00:00
Chris Lattner
8b915b4ed2
Remove and simplify some more machineinstr/machineoperand stuff.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28105 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 18:16:01 +00:00
Chris Lattner
2d90ac7ca6
Rename MO_VirtualRegister -> MO_Register. Clean up immediate handling.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28104 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 18:05:43 +00:00
Chris Lattner
e53f4a055f
Move some methods out of MachineInstr into MachineOperand
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28102 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 17:52:23 +00:00
Chris Lattner
e3158308e0
Fix Transforms/InstCombine/2006-05-04-DemandedBitCrash.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28101 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 17:33:35 +00:00
Chris Lattner
63b3d7113d
There shalt be only one "immediate" operand type!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28099 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 17:21:20 +00:00
Chris Lattner
ceb408f6a2
Change "value" in MachineOperand to be a GlobalValue, as that is the only
...
thing that can be in it. Remove a dead method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28098 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 17:02:51 +00:00
Chris Lattner
e45aa737ba
Revert Nate's CR patch from last night, which caused many regressions (e.g. fhourstones).
...
Loading and storing off R0 isn't what we wanted. Also, taking some CR's out of
CRRC seems to cause failures as well. Further investigation is required.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28097 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 16:56:45 +00:00
Jeff Cohen
10efcfabf1
Make external globals public; other minor cleanup.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28096 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 16:20:22 +00:00
Jeff Cohen
a6e24d8caf
Make Intel syntax the default when LLVM is built with VC++.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28095 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 16:19:27 +00:00
Chris Lattner
4efeab208c
Remove a bunch more dead V9 specific stuff
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28094 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 01:26:39 +00:00
Chris Lattner
ea50fabfd4
Remove a bunch more SparcV9 specific stuff
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28093 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 01:15:02 +00:00
Chris Lattner
34fb2cad46
Remove some more V9-specific stuff.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28092 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 00:49:59 +00:00
Chris Lattner
10f3597c4e
Remove some more unused stuff from MachineInstr that was leftover from V9.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28091 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 00:44:25 +00:00
Chris Lattner
0e57629a93
Simplify handling of relocations
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28090 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-04 00:42:08 +00:00
Evan Cheng
9e062ed516
Use movsd to shuffle in the lowest two elements of a v4f32 / v4i32 vector when
...
movlps cannot be used (e.g. when load from m64 has multiple uses).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28089 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 20:32:03 +00:00
Chris Lattner
5a032de387
Change from using MachineRelocation ctors to using static methods
...
in MachineRelocation to create Relocations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28088 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 20:30:20 +00:00
Chris Lattner
d2d5c76753
minor cleanups, no functionality change
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28087 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 18:55:56 +00:00
Chris Lattner
93e5c284d7
inline a simple method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28083 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 17:21:32 +00:00
Chris Lattner
b4432f3d47
Suck block address tracking out of targets into the JIT Emitter. This
...
simplifies the MachineCodeEmitter interface just a little bit and makes
BasicBlocks work like constant pools and jump tables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28082 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 17:10:41 +00:00
Chris Lattner
5c488182da
Fix a bug in Owen's checkin that broke the CBE on all non sparc v9 platforms.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28081 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 05:48:41 +00:00
Nate Begeman
67977ad19c
Teach the x86 jit how to handle jump tables not directly used by a jump
...
instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28080 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 04:52:47 +00:00
Nate Begeman
f4360a4789
Finish up the initial jump table implementation by allowing jump tables to
...
not be 100% dense. Increase the minimum threshold for the number of cases
in a switch statement from 4 to 6 in order to create a jump table.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28079 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 03:48:02 +00:00
Evan Cheng
c9a83a45ba
Bottom up register pressure reduction work: clean up some hacks and enhanced
...
the heuristic to further reduce spills for several test cases. (Note, it may
not necessarily translate to runtime win!)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28076 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 02:10:45 +00:00
Owen Anderson
a69571c799
Refactor TargetMachine, pushing handling of TargetData into the target-specific subclasses. This has one caller-visible change: getTargetData() now returns a pointer instead of a reference.
...
This fixes PR 759.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28074 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 01:29:57 +00:00
Chris Lattner
0eb4d6b52e
Align function bodies correctly.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28073 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 01:03:20 +00:00
Chris Lattner
e6fdcbfc47
Simplify some code. Don't add memory blocks to the Blocks list twice.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28071 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 00:54:49 +00:00
Chris Lattner
9b4c96d45d
Add assertions that verify that the actual arguments to a call or invoke match
...
the prototype of the called function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28070 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 00:48:22 +00:00
Chris Lattner
af1563fb62
Change the BasicBlockAddrs map to be a vector, indexed by MBB number.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28069 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 00:32:55 +00:00
Chris Lattner
23118b649e
Keep the alpha JIT similar to the PPC/X86 jits
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28068 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 00:31:21 +00:00
Chris Lattner
32ca55f3bc
Simplify some code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28066 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-03 00:13:06 +00:00
Chris Lattner
f75f9be3fb
Several related changes:
...
1. Change several methods in the MachineCodeEmitter class to be pure virtual.
2. Suck emitConstantPool/initJumpTableInfo into startFunction, removing them
from the MachineCodeEmitter interface, and reducing the amount of target-
specific code.
3. Change the JITEmitter so that it allocates constantpools and jump tables
*right* next to the functions that they belong to, instead of in a separate
pool of memory. This makes all memory for a function be contiguous, and
means the JITEmitter only tracks one block of memory now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28065 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 23:22:24 +00:00
Nate Begeman
a11a92976a
Remove some stuff from the README
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28063 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 22:43:31 +00:00
Chris Lattner
f5d438c1f0
Do not make the JIT memory manager manage the memory for globals. Instead
...
just have the JIT malloc them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28062 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 21:57:51 +00:00
Chris Lattner
a726c7f1fd
Minor cleanups, no functionality change.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28061 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 21:44:14 +00:00
Chris Lattner
d3f0aefc33
Fix a purely hypothetical problem (for now): emitWord emits in the host
...
byte format. This doesn't work when using the code emitter in a cross target
environment. Since the code emitter is only really used by the JIT, this
isn't a current problem, but if we ever start emitting .o files, it would be.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28060 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 19:14:47 +00:00
Chris Lattner
43b429b059
Refactor the machine code emitter interface to pull the pointers for the current
...
code emission location into the base class, instead of being in the derived classes.
This change means that low-level methods like emitByte/emitWord now are no longer
virtual (yaay for speed), and we now have a framework to support growable code
segments. This implements feature request #1 of PR469.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28059 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 18:27:26 +00:00
Nate Begeman
426cd7c25f
Since we don't handle callee-save CRs right yet, don't allocate them. Also
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don't step on R11 in the middle of a function when saving and restoring CRs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28058 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 17:37:31 +00:00
Nate Begeman
9d51eeb8bc
Print function number instead of name
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28057 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 17:36:46 +00:00
Nate Begeman
6e0f386896
Hooray, everyone now uses the same printBasicBlockLabel implementation
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28056 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 17:34:51 +00:00
Chris Lattner
b0cc79d45b
Remove dead method
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28055 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 17:20:28 +00:00
Chris Lattner
608c189534
There is no reason to use a virtual method to store this word.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28053 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 17:16:20 +00:00
Chris Lattner
3a9cfbaf86
Remove the debug machine code emitter. The "FilePrinterEmitter" is more
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useful for debugging.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28051 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 16:59:24 +00:00
Nate Begeman
cdf38c4edb
Extend printBasicBlockLabel a bit so that it can be used to print all
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basic block labels, consolidating the code to do so in one place for each
target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28050 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 05:37:32 +00:00
Nate Begeman
5425267e84
Update the PPC compilation callback code to not need weird abi-violating
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prologs and epilogs, keep all the asm in one place, and remove use of
compiler builtin functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28049 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 04:50:05 +00:00
Chris Lattner
b3674e4753
Add pass ID's for various passes, so they can be AddRequiredID. Patch by
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Domagoj Babic!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28048 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 04:24:36 +00:00
Jeff Cohen
51b776d259
De-virtualize SwitchSection.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28047 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 03:58:45 +00:00
Jeff Cohen
c6a057b04d
De-virtualize EmitZeroes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28046 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 03:46:13 +00:00
Jeff Cohen
4f1ea1e9d9
Finish support for Microsoft ML/MASM. May still be a few rough edges.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28045 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 03:11:50 +00:00
Jeff Cohen
c884db47f1
Make Intel syntax mode friendlier to Microsoft ML assembler (still needs more work).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28044 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-02 01:16:28 +00:00
Chris Lattner
229924a79f
Fix a latent bug that my spiller patch last week exposed: we were leaving
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instructions in the virtregfolded map that were deleted. Because they
were deleted, newly allocated instructions could end up at the same address,
magically finding themselves in the map. The solution is to remove entries
from the map when we delete the instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28041 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-01 22:03:24 +00:00
Chris Lattner
8a18c13fa5
When promoting a load to a reg-reg copy, where the load was a previous
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instruction folded with spill code, make sure the remove the load from
the virt reg folded map.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28040 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-01 21:17:10 +00:00
Chris Lattner
35f2705e3d
Remove previous patch, which wasn't quite right.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28039 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-01 21:16:03 +00:00
Chris Lattner
de321a8014
Put PHI/INLINEASM into the correct namespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28037 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-01 17:00:49 +00:00
Evan Cheng
22608c2d1f
Dis-favor stores more
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28035 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-01 09:20:44 +00:00
Evan Cheng
f229a5d4be
Bottom up register-pressure reduction scheduler now pushes store operations
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up the schedule. This helps code that looks like this:
loads ...
computations (first set) ...
stores (first set) ...
loads
computations (seccond set) ...
stores (seccond set) ...
Without this change, the stores and computations are more likely to
interleave:
loads ...
loads ...
computations (first set) ...
computations (second set) ...
computations (first set) ...
stores (first set) ...
computations (second set) ...
stores (stores set) ...
This can increase the number of spills if we are unlucky.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28033 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-01 09:14:40 +00:00
Evan Cheng
3766d66b91
Didn't mean ScheduleDAGList.cpp to make the last checkin.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28030 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-01 08:56:34 +00:00
Evan Cheng
10dbd3ead8
Remove temp. option -spiller-check-liveout, it didn't cause any failure nor performance regressions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28029 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-01 08:54:57 +00:00
Chris Lattner
99f2632b4b
Remove %'s from register names when in intel mode.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28027 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-01 05:53:50 +00:00
Chris Lattner
c80c43eee0
Format #APP lines a bit nicer
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28026 91177308-0d34-0410-b5e6-96231b3b80d8
2006-05-01 04:11:03 +00:00
Evan Cheng
200370fb56
Local spiller kills a store if the folded restore is turned into a copy.
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But this is incorrect if the spilled value live range extends beyond the
current BB.
It is currently controlled by a temporary option -spiller-check-liveout.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28024 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-30 08:41:47 +00:00
Jeff Cohen
10a59ce701
Mingw32 patches supplied by Anton Korobeynikov.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28023 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-29 18:41:44 +00:00
Chris Lattner
25c344a758
Remove a bogus transformation. This fixes SingleSource/UnitTests/2006-01-23-InitializedBitField.c
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with some changes I have to the new CFE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28022 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 23:33:20 +00:00
Evan Cheng
55c25f2a2f
I can't spell: Register, not Regsiter.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28021 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 23:19:39 +00:00
Evan Cheng
62f2700bcf
Implemented x86 inline asm b, h, w, k modifiers.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28020 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 23:11:40 +00:00
Chris Lattner
94046b4d10
Fix InstCombine/2006-04-28-ShiftShiftLongLong.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28019 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 22:21:41 +00:00
Chris Lattner
25b8b8cb2c
Fix CodeGen/Generic/2006-04-28-Sign-extend-bool.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28017 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 21:56:10 +00:00
Evan Cheng
347d5f789a
Initial caller side support (for CCC only, not FastCC) of 128-bit vector
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passing by value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28015 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 21:29:37 +00:00
Evan Cheng
3d48a90fbd
Bare-bone X86 inline asm printer support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28014 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 21:19:05 +00:00
Evan Cheng
55d0fa1bfa
Remove the temporary option: -no-isel-fold-inflight
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28012 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 18:54:11 +00:00
Evan Cheng
43f3bd310b
Implement four-wide shuffle with 2 shufps if no more than two elements come
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from each vector. e.g.
shuffle(G1, G2, 7, 1, 5, 2)
==>
movaps _G2, %xmm0
shufps $151, _G1, %xmm0
shufps $216, %xmm0, %xmm0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28011 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 07:03:38 +00:00
Chris Lattner
a0de843535
Fix PR743: emit -help output of a tool to cout, not cerr.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28010 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 05:36:25 +00:00
Evan Cheng
020c41f21e
TargetLowering::LowerArguments should return a VBIT_CONVERT of
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FORMAL_ARGUMENTS SDOperand in the return result vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28009 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 05:25:15 +00:00
Chris Lattner
ba1fc3daf7
Mapping of physregs can make it so that the designated and input physregs are
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the same. In this case, don't emit a noop copy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28008 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 04:43:18 +00:00
Chris Lattner
ae74f55552
Fix Transforms/Reassociate/2006-04-27-ReassociateVector.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28007 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 04:14:49 +00:00
Evan Cheng
ed1492eaf5
Use movaps instead of movapd for spill / restore.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28005 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 02:23:35 +00:00
Evan Cheng
552c4a8494
Added a temporary option -no-isel-fold-inflight to control whether a "inflight"
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node can be folded.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28003 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 02:09:19 +00:00
Chris Lattner
addc55af6c
When we have a two-address instruction where the input cannot be clobbered
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and is already available, instead of falling back to emitting a load, fall
back to emitting a reg-reg copy. This generates significantly better code
for some SSE testcases, as SSE has lots of two-address instructions and
none of them are read/modify/write. As one example, this change does:
pshufd %XMM5, XMMWORD PTR [%ESP + 84], 255
xorps %XMM2, %XMM5
cmpltps %XMM1, %XMM0
- movaps XMMWORD PTR [%ESP + 52], %XMM0
- movapd %XMM6, XMMWORD PTR [%ESP + 52]
+ movaps %XMM6, %XMM0
cmpltps %XMM6, XMMWORD PTR [%ESP + 68]
movapd XMMWORD PTR [%ESP + 52], %XMM6
movaps %XMM6, %XMM0
cmpltps %XMM6, XMMWORD PTR [%ESP + 36]
cmpltps %XMM3, %XMM0
- movaps XMMWORD PTR [%ESP + 20], %XMM0
- movapd %XMM7, XMMWORD PTR [%ESP + 20]
+ movaps %XMM7, %XMM0
cmpltps %XMM7, XMMWORD PTR [%ESP + 4]
movapd XMMWORD PTR [%ESP + 20], %XMM7
cmpltps %XMM4, %XMM0
... which is far better than a store followed by a load!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28001 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 01:46:50 +00:00
Chris Lattner
e481e8bc8f
Add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27999 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-28 00:04:05 +00:00
Chris Lattner
217fde5255
Add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27998 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27 21:40:57 +00:00
Chris Lattner
d929f06f4d
Add support for inserting undef into a vector. This implements
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Transforms/InstCombine/vec_insert_to_shuffle.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27997 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27 21:14:21 +00:00
Evan Cheng
fea89c14ec
Make x86 isel lowering produce tailcall nodes. They are match to normal calls
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for now.
Patch contributed by Alexander Friedman.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27994 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27 08:40:39 +00:00
Evan Cheng
43824e8216
A couple of new entries.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27993 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27 08:31:33 +00:00
Evan Cheng
2fdd95eee7
Support for passing 128-bit vector arguments via XMM registers.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27992 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27 08:31:10 +00:00
Evan Cheng
f7179bb56e
Insert a VBIT_CONVERT between a FORMAL_ARGUMENT node and its vector uses
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(VAND, VADD, etc.). Legalizer will assert otherwise.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27991 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27 08:29:42 +00:00
Evan Cheng
5fb03ce905
Oops
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27989 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27 05:44:50 +00:00
Evan Cheng
85e3800e42
Bug fix: not updating NumIntRegs.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27988 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27 05:35:28 +00:00
Chris Lattner
a83385fb7b
Fix Regression/CodeGen/Generic/2006-04-26-SetCCAnd.ll and
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PR748.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27987 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27 05:01:07 +00:00
Evan Cheng
eda65fa20b
- Clean up formal argument lowering code. Prepare for vector pass by value work.
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- Fixed vararg support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27985 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27 01:32:22 +00:00
Chris Lattner
634c76c08c
Fix some nondeterminstic behavior in the mem2reg pass that (in addition to
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nondeterminism being bad) could cause some trivial missed optimizations (dead
phi nodes being left around for later passes to clean up).
With this, llvm-gcc4 now bootstraps and correctly compares. I don't know
why I never tried to do it before... :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27984 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-27 01:14:43 +00:00
Chris Lattner
97156e7984
Implement Transforms/IndVarsSimplify/complex-scev.ll, a case where we didn't
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recognize some simple affine IV's.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27982 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-26 18:34:07 +00:00
Evan Cheng
9191dbba8e
Fix fastcc failures.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27980 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-26 18:21:31 +00:00
Evan Cheng
1bc7804e4c
Switching over FORMAL_ARGUMENTS mechanism to lower call arguments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27975 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-26 01:20:17 +00:00
Evan Cheng
3b0d286d00
Don't forget return void.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27974 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25 23:03:35 +00:00
Nate Begeman
add19dc20a
Keep the stack from on darwin 16-byte aligned. This fixes many JIT
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failres.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27973 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25 20:54:26 +00:00
Evan Cheng
0db9fe6775
Separate LowerOperation() into multiple functions, one per opcode.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27972 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25 20:13:52 +00:00
Andrew Lenharth
94a8d7785c
slightly more useful error message
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27971 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25 19:33:41 +00:00
Andrew Lenharth
ceeb17d8d8
better c99 struct handling
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27970 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25 19:33:23 +00:00
Evan Cheng
3d1be07141
Fix a typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27968 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25 17:48:41 +00:00
Nate Begeman
c34b22716b
Fix a warning
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27967 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25 17:46:32 +00:00
Nate Begeman
b3f70d7d55
No functionality changes, but cleaner code with correct comments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27966 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25 04:45:59 +00:00
Evan Cheng
a2137b592e
Explicitly specify result type for def : Pat<> patterns (if it produces a vector
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result). Otherwise tblgen will pick the default (v16i8 for 128-bit vector).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27965 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-25 00:50:01 +00:00
Evan Cheng
a7fc64222a
Added X86 SSE2 intrinsics which can be represented as vector_shuffles. This is
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a temporary workaround for the 2-wide vector_shuffle problem (i.e. its mask
would have type v2i32 which is not legal).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27964 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24 23:34:56 +00:00
Evan Cheng
d7ec518927
Add a new entry.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27963 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24 23:30:10 +00:00
Evan Cheng
37d1d9bc66
Special case handling two wide build_vector(0, x).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27961 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24 22:58:52 +00:00
Evan Cheng
64e9769339
Some missing movlps, movhps, movlpd, and movhpd patterns.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27960 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24 21:58:20 +00:00
Evan Cheng
c78d3b43f5
A little bit more build_vector enhancement for v8i16 cases.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27959 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24 18:01:45 +00:00
Evan Cheng
86661f4879
Remove a completed entry.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27958 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24 17:38:16 +00:00
Evan Cheng
49bca8536c
MakeMIInst() should handle jump table index operands.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27955 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-24 05:37:35 +00:00
Chris Lattner
57a6c135f2
Add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27954 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-23 19:47:09 +00:00
Evan Cheng
9293451e3f
MOVL shuffle (i.e. movd or movss / movsd from memory) of undef, V2 == V2
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27953 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-23 06:35:19 +00:00
Nate Begeman
9453eea49b
Fix the updating of the machine CFG when a PHI node was in a successor of
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the jump table's range check block. This re-enables 100% dense jump tables
by default on PPC & x86
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27952 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-23 06:26:20 +00:00
Nate Begeman
3700a4d3a2
Code cleanup associated with jump tables, thanks to Chris for noticing
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these.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27950 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-22 23:52:35 +00:00
Nate Begeman
05f9466cf0
Turn of jump tables for a bit, there are still some issues to work out with
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updating the machine CFG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27949 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-22 23:51:56 +00:00
Nate Begeman
a766765358
Optimized stores to the constant pool, while cool, are unnecessary.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27948 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-22 22:31:45 +00:00
Nate Begeman
37efe67645
JumpTable support! What this represents is working asm and jit support for
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x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27947 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-22 18:53:45 +00:00
Evan Cheng
1900c012f5
Don't do all the lowering stuff for 2-wide build_vector's. Also, minor optimization for shuffle of undef.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27946 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-22 08:34:05 +00:00
Evan Cheng
a083af14c8
Fix a performance regression. Use {p}shuf* when there are only two distinct elements in a build_vector.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27945 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-22 06:21:46 +00:00
Chris Lattner
ea4a9c575f
Teach the JIT how to relocate LI, this fixes the JIT on Prolangs-C/TimberWolfMC
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27943 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-22 06:17:56 +00:00
Chris Lattner
b003d76cb3
Fix JIT support for static ctors, which was apparently completely broken!
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This allows Prolangs-C++/city and probably a bunch of other stuff to work
well with the new front-end
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27941 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-22 05:02:46 +00:00
Evan Cheng
ba05f728b5
Revamp build_vector lowering to take advantage of movss and movd instructions.
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movd always clear the top 96 bits and movss does so when it's loading the
value from memory.
The net result is codegen for 4-wide shuffles is much improved. It is near
optimal if one or more elements is a zero. e.g.
__m128i test(int a, int b) {
return _mm_set_epi32(0, 0, b, a);
}
compiles to
_test:
movd 8(%esp), %xmm1
movd 4(%esp), %xmm0
punpckldq %xmm1, %xmm0
ret
compare to gcc:
_test:
subl $12, %esp
movd 20(%esp), %xmm0
movd 16(%esp), %xmm1
punpckldq %xmm0, %xmm1
movq %xmm1, %xmm0
movhps LC0, %xmm0
addl $12, %esp
ret
or icc:
_test:
movd 4(%esp), %xmm0 #5.10
movd 8(%esp), %xmm3 #5.10
xorl %eax, %eax #5.10
movd %eax, %xmm1 #5.10
punpckldq %xmm1, %xmm0 #5.10
movd %eax, %xmm2 #5.10
punpckldq %xmm2, %xmm3 #5.10
punpckldq %xmm3, %xmm0 #5.10
ret #5.10
There are still room for improvement, for example the FP variant of the above example:
__m128 test(float a, float b) {
return _mm_set_ps(0.0, 0.0, b, a);
}
_test:
movss 8(%esp), %xmm1
movss 4(%esp), %xmm0
unpcklps %xmm1, %xmm0
xorps %xmm1, %xmm1
movlhps %xmm1, %xmm0
ret
The xorps and movlhps are unnecessary. This will require post legalizer optimization to handle.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27939 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-21 23:03:30 +00:00
Nate Begeman
d9993b0b2d
Fix the comment
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27938 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-21 22:11:27 +00:00
Nate Begeman
6fcbd6961d
Change the PPC JIT to use a Static relocation model
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27937 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-21 22:04:15 +00:00
Chris Lattner
6e68a7752b
fix thinko
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27935 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-21 21:05:22 +00:00
Chris Lattner
3e663a6c16
add some low-prio notes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27934 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-21 21:03:21 +00:00
Chris Lattner
4a1cd9c61e
The BFS scheduler is apparently nondeterminstic (causes many llvmgcc bootstrap
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miscompares). Switch RISC targets to use the list-td scheduler, which isn't.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27933 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-21 17:16:16 +00:00
Chris Lattner
a5d824e90c
Remove a hack required by V9.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27931 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-21 15:33:35 +00:00
Chris Lattner
ef027f940c
Fix a couple more memory issues
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27930 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-21 15:32:26 +00:00
Evan Cheng
017dcc6e55
Now generating perfect (I think) code for "vector set" with a single non-zero
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scalar value.
e.g.
_mm_set_epi32(0, a, 0, 0);
==>
movd 4(%esp), %xmm0
pshufd $69, %xmm0, %xmm0
_mm_set_epi8(0, 0, 0, 0, 0, a, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
==>
movzbw 4(%esp), %ax
movzwl %ax, %eax
pxor %xmm0, %xmm0
pinsrw $5, %eax, %xmm0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27923 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-21 01:05:10 +00:00
Chris Lattner
fedced7bc3
Fix a really subtle and obnoxious memory bug that caused issues with an
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llvm-gcc4 boostrap. Whenever a node is deleted by the dag combiner, it
*must* be returned by the visit function, or the dag combiner will not
know that the node has been processed (and will, e.g., send it to the
target dag combine xforms).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27922 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 23:55:59 +00:00
Chris Lattner
df4f226cdc
Fix Transforms/ScalarRepl/2006-04-20-PromoteCrash.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27912 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 20:48:50 +00:00
Chris Lattner
ba2194ae84
Fix the CodeGen/PowerPC/buildvec_canonicalize.ll regression last night.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27908 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 19:01:30 +00:00
Chris Lattner
879acefed5
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27907 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 18:49:28 +00:00
Chris Lattner
a29526275b
remove some v9 specific code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27900 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 18:33:11 +00:00
Chris Lattner
1b87c42c82
This field no longer exists
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27899 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 18:32:41 +00:00
Chris Lattner
060054b9d9
Remove this obsolete file
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27895 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 18:16:45 +00:00
Chris Lattner
02e5f8dcda
Remove some of the obvious V9-specific cruft
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27893 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 18:08:53 +00:00
Chris Lattner
2706983c48
This target is no longer built. The ,v files now live in the reoptimizer.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27885 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 17:15:44 +00:00
Andrew Lenharth
7a31b975fb
Make code match cvs commit message :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27881 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 15:41:37 +00:00
Andrew Lenharth
8117f9a40e
If we can convert the return pointer type into an integer that IntPtrType
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can be converted to losslessly, we can continue the conversion to a direct call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27880 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 14:56:47 +00:00
Evan Cheng
39623daef6
- Added support to turn "vector clear elements", e.g. pand V, <-1, -1, 0, -1>
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to a vector shuffle.
- VECTOR_SHUFFLE lowering change in preparation for more efficient codegen
of vector shuffle with zero (or any splat) vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27875 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 08:58:49 +00:00
Evan Cheng
44f1f09b4e
Turn a VAND into a VECTOR_SHUFFLE is applicable.
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DAG combiner can turn a VAND V, <-1, 0, -1, -1>, i.e. vector clear elements,
into a vector shuffle with a zero vector. It only does so when TLI tells it
the xform is profitable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27874 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 08:56:16 +00:00
Chris Lattner
0231007269
Make sure that the new instructions selected have the right type. This fixes
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CodeGen/PowerPC/2006-04-19-vmaddfp-crash.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27868 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 05:58:10 +00:00
Chris Lattner
62b5772959
Implement folding of a bunch of binops with undef
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27863 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 05:39:12 +00:00
Evan Cheng
72cd9a9439
Handle v2i64 BUILD_VECTOR custom lowering correctly. v2i64 is a legal type,
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but i64 is not. If possible, change a i64 op to a f64 (e.g. load, constant)
and then cast it back.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27849 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-20 00:11:39 +00:00
Evan Cheng
94fe5eb14a
isSplatMask() bug: first element can be an undef.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27847 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 23:28:59 +00:00
Chris Lattner
89a1b380a4
Simplify some code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27846 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 23:17:50 +00:00
Evan Cheng
80d428c370
- Added support to do aribitrary 4 wide shuffle with no more than three
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instructions.
- Fixed a commute vector_shuff bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27845 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 22:48:17 +00:00
Evan Cheng
fd111b5be5
Prefer {p}unpack* and mov*dup over {p}shuf* as well.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27844 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 21:15:24 +00:00
Evan Cheng
f5e1dc278b
Renamed AddedCost to AddedComplexity.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27843 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 20:38:28 +00:00
Evan Cheng
2dadaea5d2
- Renamed AddedCost to AddedComplexity.
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- Added more movhlps and movlhps patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27842 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 20:37:34 +00:00
Evan Cheng
533a0aa9ba
Commute vector_shuffle to match more movlhps, movlp{s|d} cases.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27840 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 20:35:22 +00:00
Evan Cheng
f66a094cac
More mov{h|l}p{d|s} patterns.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27836 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 18:20:17 +00:00
Evan Cheng
cc0e98c8ed
- More mov{h|l}ps patterns.
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- Increase cost (complexity) of patterns which match mov{h|l}ps ops. These
are preferred over shufps in most cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27835 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 18:11:52 +00:00
Evan Cheng
5941320c0d
Allow "let AddedCost = n in" to increase pattern complexity.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27834 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 18:07:24 +00:00
Chris Lattner
8cc5ffb27f
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27832 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 16:22:38 +00:00
Andrew Lenharth
9df47b5928
Another simple case type merge case to try
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27831 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 15:34:34 +00:00
Andrew Lenharth
613926904f
deal with memchr
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27830 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 15:34:02 +00:00
Andrew Lenharth
5e091f3e32
friendlier error message
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27829 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 15:33:35 +00:00
Chris Lattner
bf9b3716ed
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27828 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 05:55:06 +00:00
Chris Lattner
ff5cdc2ccd
Add a note.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27827 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 05:53:27 +00:00
Andrew Lenharth
92e2196f0b
stupid stuff
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27821 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-19 03:45:25 +00:00
Andrew Lenharth
1c212dec24
I understand now. Shoot.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27819 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 22:36:11 +00:00
Evan Cheng
f0d4e3d7c0
- PEXTRW cannot take a memory location as its first source operand.
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- PINSRWrmi encoding bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27818 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 21:59:43 +00:00
Evan Cheng
f463f51161
SHUFP{S|D}, PSHUF* encoding bugs. Left out the mask immediate operand.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27817 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 21:56:36 +00:00
Evan Cheng
b7a5c527ae
Name change for clarity sake
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27816 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 21:55:35 +00:00
Evan Cheng
a52b214f56
Encoding bug: CMPPSrmi, CMPPDrmi dropped operand 2 (condtion immediate).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27815 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 21:31:08 +00:00
Evan Cheng
7b7bd57abd
Name change for clarity sake
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27814 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 21:29:50 +00:00
Evan Cheng
fb2a3b2964
Left a pattern out
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27813 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 21:29:08 +00:00
Andrew Lenharth
a544266db7
llvm.memc* improvements. helps PA a lot in some specmarks
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27812 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 20:59:52 +00:00
Andrew Lenharth
2dbf23afb4
llvm.memc* improvements. helps PA a lot in some specmarks
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27811 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 19:54:11 +00:00
Chris Lattner
80f362a48f
These are correctly encoded by the JIT. I checked :)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27810 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 19:03:38 +00:00
Chris Lattner
87140126e8
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27809 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 18:30:19 +00:00
Chris Lattner
0090120c2b
Fix a crash on:
...
void foo2(vector float *A, vector float *B) {
vector float C = (vector float)vec_cmpeq(*A, *B);
if (!vec_any_eq(*A, *B))
*B = (vector float){0,0,0,0};
*A = C;
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27808 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 18:28:22 +00:00
Evan Cheng
df2a1908b2
Fixed an encoding bug: movd from XMM to R32.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27807 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 18:19:00 +00:00
Chris Lattner
f70f8d91a7
pretty print node name
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27806 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 18:05:58 +00:00
Chris Lattner
90564f26d1
Implement an important entry from README_ALTIVEC:
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If an altivec predicate compare is used immediately by a branch, don't
use a (serializing) MFCR instruction to read the CR6 register, which requires
a compare to get it back to CR's. Instead, just branch on CR6 directly. :)
For example, for:
void foo2(vector float *A, vector float *B) {
if (!vec_any_eq(*A, *B))
*B = (vector float){0,0,0,0};
}
We now generate:
_foo2:
mfspr r2, 256
oris r5, r2, 12288
mtspr 256, r5
lvx v2, 0, r4
lvx v3, 0, r3
vcmpeqfp. v2, v3, v2
bne cr6, LBB1_2 ; UnifiedReturnBlock
LBB1_1: ; cond_true
vxor v2, v2, v2
stvx v2, 0, r4
mtspr 256, r2
blr
LBB1_2: ; UnifiedReturnBlock
mtspr 256, r2
blr
instead of:
_foo2:
mfspr r2, 256
oris r5, r2, 12288
mtspr 256, r5
lvx v2, 0, r4
lvx v3, 0, r3
vcmpeqfp. v2, v3, v2
mfcr r3, 2
rlwinm r3, r3, 27, 31, 31
cmpwi cr0, r3, 0
beq cr0, LBB1_2 ; UnifiedReturnBlock
LBB1_1: ; cond_true
vxor v2, v2, v2
stvx v2, 0, r4
mtspr 256, r2
blr
LBB1_2: ; UnifiedReturnBlock
mtspr 256, r2
blr
This implements CodeGen/PowerPC/vec_br_cmp.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27804 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 17:59:36 +00:00
Chris Lattner
3be29059ab
move some stuff around, clean things up
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27802 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 17:52:36 +00:00
Chris Lattner
993c897390
Teach the codegen about instructions used for SSE spill code, allowing it
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to optimize cases where it has to spill a lot
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27801 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 16:44:51 +00:00
Chris Lattner
cea2aa77eb
Use vmladduhm to do v8i16 multiplies which is faster and simpler than doing
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even/odd halves. Thanks to Nate telling me what's what.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27793 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 04:28:57 +00:00
Chris Lattner
19a815238e
Implement v16i8 multiply with this code:
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vmuloub v5, v3, v2
vmuleub v2, v3, v2
vperm v2, v2, v5, v4
This implements CodeGen/PowerPC/vec_mul.ll. With this, v16i8 multiplies are
6.79x faster than before.
Overall, UnitTests/Vector/multiplies.c is now 2.45x faster with LLVM than with
GCC.
Remove the 'integer multiplies' todo from the README file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27792 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 03:57:35 +00:00
Evan Cheng
4980467476
Correct comments
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27790 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 03:45:01 +00:00
Chris Lattner
72dd9bdcc5
Lower v8i16 multiply into this code:
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li r5, lo16(LCPI1_0)
lis r6, ha16(LCPI1_0)
lvx v4, r6, r5
vmulouh v5, v3, v2
vmuleuh v2, v3, v2
vperm v2, v2, v5, v4
where v4 is:
LCPI1_0: ; <16 x ubyte>
.byte 2
.byte 3
.byte 18
.byte 19
.byte 6
.byte 7
.byte 22
.byte 23
.byte 10
.byte 11
.byte 26
.byte 27
.byte 14
.byte 15
.byte 30
.byte 31
This is 5.07x faster on the G5 (measured) than lowering to scalar code +
loads/stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27789 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 03:43:48 +00:00
Chris Lattner
e7c768ea24
Custom lower v4i32 multiplies into a cute sequence, instead of having legalize
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scalarize the sequence into 4 mullw's and a bunch of load/store traffic.
This speeds up v4i32 multiplies 4.1x (measured) on a G5. This implements
PowerPC/vec_mul.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27788 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 03:24:30 +00:00
Evan Cheng
74e955d931
Another entry
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27786 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 01:22:57 +00:00
Evan Cheng
7fa094a261
Another entry.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27784 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-18 00:21:01 +00:00
Evan Cheng
cdfc3c82a7
Use movss to insert_vector_elt(v, s, 0).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27782 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 22:45:49 +00:00
Chris Lattner
fd6bdf0b0f
Turn x86 unaligned load/store intrinsics into aligned load/store instructions
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if the pointer is known aligned.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27781 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 22:26:56 +00:00
Chris Lattner
80edfb3af5
Fix handling of calls in functions that use vectors. This fixes a crash on
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the code in GCC PR26546.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27780 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 22:10:08 +00:00
Evan Cheng
5edb8d270c
Use two pinsrw to insert an element into v4i32 / v4f32 vector.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27779 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 22:04:06 +00:00
Chris Lattner
22fcbb1320
remove done item
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27778 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 21:52:03 +00:00
Chris Lattner
f9568d8700
Don't diddle VRSAVE if no registers need to be added/removed from it. This
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allows us to codegen functions as:
_test_rol:
vspltisw v2, -12
vrlw v2, v2, v2
blr
instead of:
_test_rol:
mfvrsave r2, 256
mr r3, r2
mtvrsave r3
vspltisw v2, -12
vrlw v2, v2, v2
mtvrsave r2
blr
Testcase here: CodeGen/PowerPC/vec_vrsave.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27777 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 21:48:13 +00:00
Chris Lattner
48d7c069c7
Add a MachineInstr::eraseFromParent convenience method.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27775 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 21:35:41 +00:00
Evan Cheng
23b72005fa
Encoding bug
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27773 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 21:33:57 +00:00
Chris Lattner
402504b1ba
Vectors that are known live-in and live-out are clearly already marked in
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the vrsave register for the caller. This allows us to codegen a function as:
_test_rol:
mfspr r2, 256
mr r3, r2
mtspr 256, r3
vspltisw v2, -12
vrlw v2, v2, v2
mtspr 256, r2
blr
instead of:
_test_rol:
mfspr r2, 256
oris r3, r2, 40960
mtspr 256, r3
vspltisw v0, -12
vrlw v2, v0, v0
mtspr 256, r2
blr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27772 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 21:22:06 +00:00
Chris Lattner
939274fcfd
Prefer to allocate V2-V5 before V0,V1. This lets us generate code like this:
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vspltisw v2, -12
vrlw v2, v2, v2
instead of:
vspltisw v0, -12
vrlw v2, v0, v0
when a function is returning a value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27771 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 21:19:12 +00:00
Chris Lattner
369503f841
Move some knowledge about registers out of the code emitter into the register info.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27770 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 21:07:20 +00:00
Chris Lattner
f7d2372b74
Use a small table instead of macros to do this conversion.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27769 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 20:59:25 +00:00
Evan Cheng
c575ca22ea
Implement v8i16, v16i8 splat using unpckl + pshufd.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27768 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 20:43:08 +00:00
Chris Lattner
b2be4032c5
implement returns of a vector, testcase here: CodeGen/X86/vec_return.ll
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27767 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 20:32:50 +00:00
Chris Lattner
8d5a894501
Codegen insertelement with constant insertion points as scalar_to_vector
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and a shuffle. For this:
void %test2(<4 x float>* %F, float %f) {
%tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2]
%tmp3 = add <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1]
%tmp2 = insertelement <4 x float> %tmp3, float %f, uint 2 ; <<4 x float>> [#uses=2]
%tmp6 = add <4 x float> %tmp2, %tmp2 ; <<4 x float>> [#uses=1]
store <4 x float> %tmp6, <4 x float>* %F
ret void
}
we now get this on X86 (which will get better):
_test2:
movl 4(%esp), %eax
movaps (%eax), %xmm0
addps %xmm0, %xmm0
movaps %xmm0, %xmm1
shufps $3, %xmm1, %xmm1
movaps %xmm0, %xmm2
shufps $1, %xmm2, %xmm2
unpcklps %xmm1, %xmm2
movss 8(%esp), %xmm1
unpcklps %xmm1, %xmm0
unpcklps %xmm2, %xmm0
addps %xmm0, %xmm0
movaps %xmm0, (%eax)
ret
instead of:
_test2:
subl $28, %esp
movl 32(%esp), %eax
movaps (%eax), %xmm0
addps %xmm0, %xmm0
movaps %xmm0, (%esp)
movss 36(%esp), %xmm0
movss %xmm0, 8(%esp)
movaps (%esp), %xmm0
addps %xmm0, %xmm0
movaps %xmm0, (%eax)
addl $28, %esp
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27765 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 19:21:01 +00:00
Chris Lattner
dbce85dedf
Make sure to check splats of every constant we can, handle splat(31) by
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being a bit more clever, add support for odd splats from -31 to -17.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27764 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 18:09:22 +00:00
Evan Cheng
51c9c43656
Incorrect foldMemoryOperand entries
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27763 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 18:06:12 +00:00
Evan Cheng
083248e143
Errors in patterns preventing load folding
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27762 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 18:05:01 +00:00
Jeff Cohen
3c280bf4d1
Add checks for __OpenBSD__.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27761 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 17:55:41 +00:00
Chris Lattner
bdd558cd94
Teach the ppc backend to use rol and vsldoi to generate splatted constants.
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This implements vec_constants.ll:test_vsldoi and test_rol
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27760 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 17:55:10 +00:00
Chris Lattner
966083fd1a
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27758 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 17:29:41 +00:00
Evan Cheng
5001ea1078
FP SETOLT, SETOLT, SETUGE, SETUGT conditions were implemented incorrectly
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27755 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 07:24:10 +00:00
Chris Lattner
6876e66e5d
Make some code more general, adding support for constant formation of several
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new patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27754 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 06:58:41 +00:00
Chris Lattner
c408382eca
Learn how to make odd splatted constants in range [17,29]. This implements
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PowerPC/vec_constants.ll:test_29.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27752 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-17 06:07:44 +00:00