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29 Commits

Author SHA1 Message Date
Evan Cheng
37059d52b7 We don't really need the abort here. This unbreak x86_64 linux build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63940 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-06 17:51:34 +00:00
Evan Cheng
770bcc7b15 Move getPointerRegClass from TargetInstrInfo to TargetRegisterInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63938 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-06 17:43:24 +00:00
Evan Cheng
b3a021cdb3 Change -1 => negative number. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63935 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-06 17:12:56 +00:00
Evan Cheng
6f8d762e6b Document the meaning of -1 for getCopyCost. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63933 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-06 17:01:33 +00:00
Evan Cheng
8c08d8c77c Cross register class coalescing. Not yet enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62832 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-23 02:15:19 +00:00
Evan Cheng
536ab130ec Eliminate a couple of fields from TargetRegisterClass: SubRegClasses and SuperRegClasses. These are not necessary. Also eliminate getSubRegisterRegClass and getSuperRegisterRegClass. These are slow and their results can change if register file names change. Just use TargetLowering::getRegClassFor() to get the right TargetRegisterClass instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62762 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-22 09:10:11 +00:00
Dan Gohman
d68a07650c Tidy up #includes, deleting a bunch of unnecessary #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61715 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-05 17:59:02 +00:00
Evan Cheng
f89cfaea7a This forward declaration is unnecessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57843 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-20 20:02:17 +00:00
Matthijs Kooijman
2bbeccdee1 Fix typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57829 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-20 11:24:57 +00:00
Matthijs Kooijman
1ad70c09c8 Remove another stale comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57828 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-20 11:23:18 +00:00
Matthijs Kooijman
854255361e Remove an inappropriate (probably outdated) comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57827 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-20 11:21:12 +00:00
Dan Gohman
f522068412 Trim #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57649 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-16 20:18:31 +00:00
Evan Cheng
ffeecd65e3 Eliminate some unused methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56108 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 17:31:47 +00:00
Evan Cheng
dd595c5998 Change getSubReg semantics. It now returns zero if the specified register doesn't have a subreg of the specified index. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56099 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 06:25:25 +00:00
Owen Anderson
605041e5a8 Make the subregister hashtable output more readable by wrapping the lines, 
and mark it const along with the associated changes to TargetRegisterInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52966 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 17:34:38 +00:00
Owen Anderson
57ce0319b7 Implement suggestions from Chris: 
- Use a more accurate heuristic for the size of the hashtable.
  - Use bitwise and instead of modulo since the size is a power of two.
  - Use new[] instead of malloc().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52951 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 07:02:30 +00:00
Owen Anderson
f4f9c4f1cf Replace the dynamically computed std::set lookup method for subregisters with a hashtable-based 
version that is computed by tblgen at the time LLVM is compiled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52945 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 00:18:52 +00:00
Evan Cheng
2036835346 Eliminate TargetRegisterDesc::ImmSubRegs. It's no longer in use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52892 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 07:32:56 +00:00
Owen Anderson
1360b7d8f8 Cache subregister relationships in a set in TargetRegisterInfo to allow faster lookups. 
This speeds up LiveVariables from 0.6279s to 0.6165s on kimwitu++.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52818 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-27 06:56:04 +00:00
Dale Johannesen
b5dae00325 Fixes the last x86-64 test failure in compat.exp: 
<16 x float> is 64-byte aligned (for some reason),
which gets us into the stack realignment code.  The
computation changing FP-relative offsets to SP-relative
was broken, assiging a spill temp to a location
also used for parameter passing.  This
fixes it by rounding up the stack frame to a multiple
of the largest alignment (I concluded it wasn't fixable
without doing this, but I'm not very sure.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52750 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-26 01:51:13 +00:00
Duncan Sands
83ec4b6711 Wrap MVT::ValueType in a struct to get type safety 
and better control the abstraction.  Rename the type
to MVT.  To update out-of-tree patches, the main
thing to do is to rename MVT::ValueType to MVT, and
rewrite expressions like MVT::getSizeInBits(VT) in
the form VT.getSizeInBits().  Use VT.getSimpleVT()
to extract a MVT::SimpleValueType for use in switch
statements (you will get an assert failure if VT is
an extended value type - these shouldn't exist after
type legalization).
This results in a small speedup of codegen and no
new testsuite failures (x86-64 linux).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52044 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-06 12:08:01 +00:00
Evan Cheng
34cd4a484e Fix more -Wshorten-64-to-32 warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50659 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-05 18:30:58 +00:00
Evan Cheng
8102703d70 Sort sub-registers and super-registers lists according to super-sub register relations. e.g. X86::RAX sub-register list is EAX, AX, AL, AH (order of last two are not guaranteed). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49714 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-15 07:56:03 +00:00
Evan Cheng
ca1267c02b Move reMaterialize() from TargetRegisterInfo to TargetInstrInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48995 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-31 20:40:39 +00:00
Evan Cheng
676dd7c80b When the register allocator runs out of registers, spill a physical register around the def's and use's of the interval being allocated to make it possible for the interval to target a register and spill it right away and restore a register for uses. This likely generates terrible code but is before than aborting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48218 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-11 07:19:34 +00:00
Bill Wendling
e6d088acc9 Rename PrintableName to Name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47629 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 21:47:57 +00:00
Bill Wendling
74ab84c31e Change "Name" to "AsmName" in the target register info. Gee, a refactoring tool 
would have been a Godsend here!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47625 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-26 21:11:01 +00:00
Bill Wendling
181eb737b2 Some platforms use the same name for 32-bit and 64-bit registers (like 
%r3 on PPC) in their ASM files. However, it's hard for humans to read
during debugging. Adding a new field to the register data that lets you
specify a different name to be printed than the one that goes into the
ASM file -- %x3 instead of %r3, for instance.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47534 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-24 00:56:13 +00:00
Dan Gohman
6f0d024a53 Rename MRegisterInfo to TargetRegisterInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46930 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-10 18:45:23 +00:00