Evan Cheng
d41e9e5e7a
A bit of wisdom from Chris on the last entry.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25715 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-27 22:54:32 +00:00
Evan Cheng
85214ba3cc
AT&T assembly convention: registers are in lower case.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25714 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-27 22:53:29 +00:00
Chris Lattner
104988a16a
initialize all instance vars
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25711 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-27 22:37:09 +00:00
Evan Cheng
e826a018b9
Added notes about a x86 isel deficiency.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25706 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-27 22:11:01 +00:00
Evan Cheng
dbd38d7f64
Added a temporary option -enable-x86-sse to enable sse support. It is used by
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llc-beta.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25701 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-27 21:49:34 +00:00
Evan Cheng
8e44f0756f
Bye bye Pattern ISel, hello DAG ISel.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25700 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-27 21:26:54 +00:00
Nate Begeman
ee625573b5
Remove TLI.LowerReturnTo, and just let targets custom lower ISD::RET for
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the same functionality. This addresses another piece of bug 680. Next,
on to fixing Alpha VAARG, which I broke last time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25696 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-27 21:09:22 +00:00
Evan Cheng
b3a7e21b7e
A better workaround
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25692 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-27 19:30:30 +00:00
Chris Lattner
9f96a32831
force sse/3dnow off until they work. This fixes all the x86 failures last night
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25690 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-27 18:30:50 +00:00
Chris Lattner
c2493c45a0
Unbreak the JIT with SSE
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25688 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-27 18:27:18 +00:00
Evan Cheng
559806f575
x86 CPU detection and proper subtarget support
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25679 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-27 08:10:46 +00:00
Chris Lattner
cedc6f4b30
PHI and INLINEASM are now built-in instructions provided by Target.td
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25674 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-27 01:46:15 +00:00
Jeff Cohen
9471c8a93b
Improve compatibility with VC2005, patch by Morten Ofstad!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25661 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-26 20:41:32 +00:00
Chris Lattner
38f7373018
Improve compatibility with VC2005, patch by Morten Ofstad!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25653 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-26 19:55:20 +00:00
Evan Cheng
97c7fc351e
Added preliminary x86 subtarget support.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25645 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-26 09:53:06 +00:00
Evan Cheng
67caa39e4c
Work around some x86 Darwin assembler bugs
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25638 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-26 02:27:43 +00:00
Evan Cheng
9bba894596
When trying to fold X86::SETCC into a Select, make a copy if it has more than
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one use. This allows more CMOV instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25634 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-26 02:13:10 +00:00
Evan Cheng
71fb9ad5d9
Remove the uses of STATUS flag register. Rely on node property SDNPInFlag,
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SDNPOutFlag, and SDNPOptInFlag instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25629 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-26 00:29:36 +00:00
Nate Begeman
acc398c195
First part of bug 680:
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Remove TLI.LowerVA* and replace it with SDNodes that are lowered the same
way as everything else.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25606 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-25 18:21:52 +00:00
Evan Cheng
0b2afbd58a
X86 prefer scheduling for reduced register pressure.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25602 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-25 09:15:17 +00:00
Evan Cheng
0d718e9afc
Fix a selectcc lowering bug. Make a copy of X86ISD::CMP when folding it.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25596 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-25 09:05:09 +00:00
Chris Lattner
31e63881b3
Loosen up these checks to allow direct uses of ESP
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25595 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-25 08:00:36 +00:00
Chris Lattner
91cacc810b
use ESP directly, not a copy of ESP into some other register for fastcc calls
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25584 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-24 06:14:44 +00:00
Chris Lattner
af63bb03c5
Emit the copies out of call return registers *after* the ISD::CALLSEQ_END
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node, fixing fastcc and the case where a function has a frame pointer due
to dynamic allocas.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25580 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-24 05:17:12 +00:00
Chris Lattner
6da23db69f
Allow jit-beta to work
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25578 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-24 04:50:48 +00:00
Chris Lattner
2c2c6c61f1
Add explicit #includes of <iostream>
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25515 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-22 23:41:00 +00:00
Evan Cheng
86556a5f42
Rename fcmovae to fcmovnb and fcmova to fcmovnbe (following Intel manual).
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Some assemblers can't recognize the aliases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25494 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-21 02:55:41 +00:00
Chris Lattner
1f16ff6f0a
LowerReturn now doesn't have to handle f32 returns.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25484 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-20 18:41:25 +00:00
Evan Cheng
98f5dab8a7
Stop doing that accidental commit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25474 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-20 01:14:05 +00:00
Evan Cheng
21d5443934
A few more SH{L|R}D peepholes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25473 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-20 01:13:30 +00:00
Evan Cheng
cce47faf52
Didn't mean to commit the last one.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25469 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-19 23:27:08 +00:00
Evan Cheng
956044cf03
Added i16 SH{L|R}D patterns.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25468 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-19 23:26:24 +00:00
Evan Cheng
dc8d2ab3e9
Avoid generating a redundant setcc.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25457 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-19 08:52:46 +00:00
Evan Cheng
41b6dc8dbe
adc and sbb need an incoming flag to ensure it reads the carry flag
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from add / sub.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25444 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-19 06:53:20 +00:00
Evan Cheng
68b951a5e5
Two peepholes:
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(or (x >> c) | (y << (32 - c))) ==> (shrd x, y, c)
(or (x << c) | (y >> (32 - c))) ==> (shld x, y, c)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25438 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-19 01:56:29 +00:00
Evan Cheng
d9c45e9af9
Didn't mean to check that in.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25436 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-19 01:52:56 +00:00
Evan Cheng
b7b5706340
A obvious typo
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25435 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-19 01:46:14 +00:00
Evan Cheng
99fa0a102a
SRA shift amount must be in i8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25416 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-18 09:26:46 +00:00
Evan Cheng
68e5d084f1
If a call return type is i1, insert a truncate from X86::AL to i1.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25415 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-18 08:08:38 +00:00
Evan Cheng
357c58efde
Fix lowering of calls which return f32 values.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25413 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-17 21:58:21 +00:00
Evan Cheng
e5d9343377
Zero extending load from i1 to i8.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25391 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-17 07:02:46 +00:00
Evan Cheng
6892f28e99
SSE does not support i64 SINT_TO_FP (FP stack doesn't either, but we custom
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expand it), so ask legalizer to expand i32 UINT_TO_FP.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25386 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-17 02:32:49 +00:00
Evan Cheng
2059f884aa
Added a FIXME comment about why FST is currently flagged to fpGETRESULT.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25381 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-17 00:37:42 +00:00
Evan Cheng
42ef0bc6fb
Bug fixes: fpGETRESULT should produces a flag result and X86ISD::FST should
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read a flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25378 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-17 00:19:47 +00:00
Evan Cheng
b5d0b0bae5
More typo's
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25375 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-16 23:26:53 +00:00
Evan Cheng
8a3f4c75fa
Some typo's
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25374 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-16 22:48:46 +00:00
Evan Cheng
0cc3945efe
Fix FP_TO_INT**_IN_MEM lowering.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25368 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-16 21:21:29 +00:00
Chris Lattner
1db4b4f5c4
transfer some notes from my email to somewhere useful.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25361 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-16 17:53:00 +00:00
Evan Cheng
cf74a7c762
Added patterns for 8-bit multiply
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25338 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-15 10:05:20 +00:00
Chris Lattner
e112552b5a
Use the default lowering of ISD::DYNAMIC_STACKALLOC, delete now dead code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25333 91177308-0d34-0410-b5e6-96231b3b80d8
2006-01-15 09:00:21 +00:00