Chris Lattner
1e4ed93599
Add a missed optimization
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24495 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-28 04:52:39 +00:00
Chris Lattner
ac2902bcb5
Use HasDotTypeDotSizeDirective instead of forELF
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24481 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 23:06:54 +00:00
Chris Lattner
9787c6443f
Remove a level of indentation by using a continue.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24479 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 22:48:18 +00:00
Chris Lattner
d460f57d65
Simplify the subtarget info, allow the asmwriter to do some target sensing
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based on TargetType.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24478 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 22:43:58 +00:00
Chris Lattner
a35a8e87fa
Use subtarget information computed by X86Subtarget instead of rolling our own.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24477 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 22:39:40 +00:00
Chris Lattner
e5600e5509
Make the X86 subtarget compute the basic target type: ELF, Cygwin, Darwin,
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or native Win32
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24476 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 22:31:58 +00:00
Chris Lattner
5df14ca0a1
Add a forELF flag, allowing the removal of forCygwin and simplification of
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conditionals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24475 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 22:19:48 +00:00
Chris Lattner
8fccc97b0b
simplify and genericize this code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24473 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 19:50:31 +00:00
Chris Lattner
69191f8f05
prune #include
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24468 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 08:33:17 +00:00
Chris Lattner
d939f6c85d
Switch to using the shared constant pool printer, along with using shorter
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CPI ids
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24467 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 08:32:23 +00:00
Chris Lattner
8b8b9515d6
Adjust to capitalized AsmPrinter method names
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24456 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 07:51:23 +00:00
Chris Lattner
64965ba8b0
Use PrivateGlobalPrefix for basic block labels. This allows the x86 darwin
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port to properly use L for the bb prefix instead of .
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24454 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 07:43:59 +00:00
Chris Lattner
7b6e53cde7
convert the rest of this over to use SwitchSection
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24448 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 07:16:34 +00:00
Chris Lattner
224cfc2eac
Start using the AsmPrinter shared SwitchSection code. This allows the X86
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backend to implement global variables in sections.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24447 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 07:11:11 +00:00
Chris Lattner
62cbf2aab9
Rename SwitchSection -> switchSection to avoid conflicting with a future
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change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24443 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 06:55:27 +00:00
Chris Lattner
c41cc83117
Naturally align doubles in the constant pool, set PrivateGlobalPrefix on
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darwin, use it when printing the constant pool indices so the labels are
appropriately private, emit cp entries to .const instead of .data on darwin
and only emit a single .section for the constant pool, not one for each
entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24440 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-21 06:46:22 +00:00
Chris Lattner
81f803df80
Lower READCYCLECOUNTER correctly, preserving the chain result
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24438 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-20 22:57:19 +00:00
Chris Lattner
441b223c9b
encode rdtsc correctly
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24435 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-20 22:13:18 +00:00
Chris Lattner
81363c3871
use chain operands to ensure the copies don't wander from the rdtsc instruction.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24434 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-20 22:01:40 +00:00
Andrew Lenharth
b873ff322c
The second patch of X86 support for read cycle counter.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24430 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-20 21:41:10 +00:00
Chris Lattner
6adaf79ad7
Teach the x86 backend about the register constraints of its addressing mode.
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Patch by Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24423 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-19 07:01:30 +00:00
Chris Lattner
f9ce9fb49b
Add load and other support to the dag-dag isel. Patch contributed by Evan
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Cheng!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24419 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-19 02:11:08 +00:00
Chris Lattner
f124d5e500
add more patterns, patch by Evan Cheng.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24406 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-18 01:04:42 +00:00
Chris Lattner
78432feff8
Add patterns for some 16-bit immediate instructions, patch contributed by
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Evan Cheng.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24384 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-17 02:01:55 +00:00
Chris Lattner
7a12537843
Add patterns for several simple instructions that take i32 immediates.
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Patch contributed by Evan Cheng!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24382 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-16 22:59:19 +00:00
Chris Lattner
c961eea6cb
initial step at adding a dag-to-dag isel for X86 backend. Patch contributed
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by Evan Cheng!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24371 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-16 01:54:32 +00:00
Chris Lattner
dbdbf0ce2e
Separate X86ISelLowering stuff out from the X86ISelPattern.cpp file. Patch
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contributed by Evan Cheng.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24358 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-15 00:40:23 +00:00
Chris Lattner
ce8eb0c16b
Add a new option to indicate we want the code generator to emit code quickly,not spending tons of time microoptimizing it. This is useful for an -O0style of build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24233 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-08 02:11:51 +00:00
Chris Lattner
ffff6175ef
add a note that Nate mentioned last week
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23898 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 21:44:59 +00:00
Chris Lattner
1171ff4fd7
Put some of my random notes somewhere public
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23897 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-23 19:52:42 +00:00
Nate Begeman
405e3ecb56
Invert the TargetLowering flag that controls divide by consant expansion.
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Add a new flag to TargetLowering indicating if the target has really cheap
signed division by powers of two, make ppc use it. This will probably go
away in the future.
Implement some more ISD::SDIV folds in the dag combiner
Remove now dead code in the x86 backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23853 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-21 00:02:42 +00:00
Nate Begeman
34f342e36f
Remove some dead code now that the dag combiner exists.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23754 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-15 22:08:02 +00:00
Nate Begeman
14e2cf62f4
Properly split f32 and f64 into separate register classes for scalar sse fp
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fixing a bunch of nasty hackery
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23735 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-14 22:06:00 +00:00
Chris Lattner
3cf8760dc5
silence some warnings
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23594 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-02 16:29:36 +00:00
Chris Lattner
56bcae0de9
simplify this code using the new regclass info passed in
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23557 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-30 17:12:38 +00:00
Chris Lattner
97d5e6461a
Pass extra regclasses into spilling code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23537 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-30 01:29:42 +00:00
Chris Lattner
3e2bafd640
Add FP versions of the binary operators, keeping the int and fp worlds seperate.
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Though I have done extensive testing, it is possible that this will break
things in configs I can't test. Please let me know if this causes a problem
and I'll fix it ASAP.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23505 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-28 22:29:17 +00:00
Chris Lattner
a92aab74dd
Implement the isLoadFromStackSlot interface
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23387 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-19 05:23:44 +00:00
Chris Lattner
43ef1318c6
give all operands names
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23356 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-14 21:10:24 +00:00
Chris Lattner
3452d23c34
fix a major regression from my patch this afternoon
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23347 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-14 06:06:45 +00:00
Chris Lattner
82da52299c
This code is no longer needed, it is moved to the target-indep code
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23332 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-13 19:31:44 +00:00
Chris Lattner
fb8b8a75ff
Handle any_extend like zext
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23202 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-02 00:16:09 +00:00
Jim Laskey
b1e1180ca0
1. Use SubtargetFeatures in llc/lli.
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2. Propagate feature "string" to all targets.
3. Implement use of SubtargetFeatures in PowerPCTargetSubtarget.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23192 91177308-0d34-0410-b5e6-96231b3b80d8
2005-09-01 21:38:21 +00:00
Reid Spencer
dd22dc85ea
Adjust to member variable name change.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23119 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-27 19:09:48 +00:00
Chris Lattner
143b675393
Fix a bug in my previous checkin
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23082 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 17:18:44 +00:00
Chris Lattner
5839bf2b3b
Change ConstantPoolSDNode to actually hold the Constant itself instead of
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putting it into the constant pool. This allows the isel machinery to
create constants that it will end up deciding are not needed, without them
ending up in the resultant function constant pool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23081 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-26 17:15:30 +00:00
Chris Lattner
7cad4f2089
Fix a warning
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23031 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-25 00:05:15 +00:00
Chris Lattner
d177579860
Adjust to new livevars interface
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22991 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-23 23:41:14 +00:00
Chris Lattner
76eb08bcda
Simplify this code by using LiveVariables::KillsRegister
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22988 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-23 22:49:55 +00:00
Chris Lattner
ecbce617ca
Split RegisterClass 'Methods' into MethodProtos and MethodBodies
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22929 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-19 19:13:20 +00:00