Bruno Cardoso Lopes
51195af45f
Added method to get Mips register numbers
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Changed the stack frame layout, StackGrowsUp fits better to Mips strange stack.
Stack offset calculation bug fixed!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41529 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-28 05:13:42 +00:00
Bruno Cardoso Lopes
a2b1bb5296
Changed stack allocation On LowerFORMAL_ARGUMENTS.
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Added comments about new stack allocation.
Expand SelectCC for i32 results
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41527 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-28 05:08:16 +00:00
Bruno Cardoso Lopes
dc0c04c0ed
Mask directive completed with CalleeSave info
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Comments for Mips directives added.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41526 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-28 05:06:17 +00:00
Bruno Cardoso Lopes
2d4575ea5a
Added methods to record SPOffsets from LowerFORMAL_ARGUMENTS
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41525 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-28 05:04:41 +00:00
Rafael Espindola
44c8265cf8
Add a comment about using libc memset/memcpy or generating inline code.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41502 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-27 17:48:26 +00:00
Rafael Espindola
6b83b5d1ae
call libc memcpy/memset if array size is bigger then threshold.
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Coping 100MB array (after a warmup) shows that glibc 2.6.1 implementation on
x86-64 (core 2) is 30% faster (from 0.270917s to 0.188079s)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41479 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-27 10:18:20 +00:00
Chris Lattner
48884cd80b
rename isOperandValidForConstraint to LowerAsmOperandForConstraint,
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changing the interface to allow for future changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41384 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-25 00:47:38 +00:00
Chris Lattner
90e167a908
Disable EH generation until PPC works 100%.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41360 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-24 16:00:15 +00:00
Chris Lattner
b23f4c5f44
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41359 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-24 15:17:59 +00:00
Chris Lattner
9e43d6316f
add some notes on really poor codegen.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41319 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-23 15:22:07 +00:00
Chris Lattner
aabd0359a3
new example
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41318 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-23 15:16:03 +00:00
Bill Wendling
adbda021e7
Add the PCSymbol for Darwin x86 platforms.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41284 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-22 18:44:05 +00:00
Bruno Cardoso Lopes
84f47c52fd
InlineAsm asm support for integer registers added
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41225 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-21 16:09:25 +00:00
Bruno Cardoso Lopes
edeede2bb5
Instruction Itinerary attribution fixed
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41224 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-21 16:06:45 +00:00
Anton Korobeynikov
095546ce34
Use only 1 knob to enable exceptions on Darwin :).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41208 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-21 00:31:30 +00:00
Rafael Espindola
21485be444
Partial implementation of calling functions with byval arguments:
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*) The needed information is propagated to the DAG
*) The X86-64 backend detects it and aborts
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41179 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-20 15:18:24 +00:00
Chris Lattner
cf8ba696b3
add a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41178 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-20 02:14:33 +00:00
Bruno Cardoso Lopes
9710536b44
MipsHi now has ouput flag
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MipsAdd SDNode created to add support to an Add opcode which supports input flag
Added an instruction itinerary to all instruction classes
Added branches with zero cond codes
Now call clobbers all non-callee saved registers
Call w/ register support added
Added DelaySlot to branch and load instructions
Added patterns to handle all setcc, brcond/setcc and MipsAdd instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41161 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-18 02:37:46 +00:00
Bruno Cardoso Lopes
055c7eb4a4
Fixed stack frame addressing bug
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41160 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-18 02:19:09 +00:00
Bruno Cardoso Lopes
6d32ca0762
support for Schedule included on Mips.td
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41159 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-18 02:18:07 +00:00
Bruno Cardoso Lopes
7ff6fa2503
Removed LowerRETURADDR, fixed small bug into LowerRET, LowerGlobalAddress
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fixed to generate instructions (add, lui) glued!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41158 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-18 02:16:30 +00:00
Bruno Cardoso Lopes
250a1714be
Couple of small changes. Delay Slot handle header declared.
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Newline added after macros at function init on generated asm!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41157 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-18 02:05:24 +00:00
Bruno Cardoso Lopes
e88c36819e
Added InstrItinClass support for instruction formats
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41156 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-18 02:01:28 +00:00
Bruno Cardoso Lopes
0b2cd89a39
Branch Analysis and InsertNoop inserted into header files
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41155 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-18 01:59:45 +00:00
Bruno Cardoso Lopes
aff42dcf5d
createMipsDelaySlotFillerPass added to mips codegen runtime
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41154 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-18 01:58:15 +00:00
Bruno Cardoso Lopes
35d2a47994
Added Branch Analysis support
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Added InsertNoop support
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41153 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-18 01:56:48 +00:00
Bruno Cardoso Lopes
de6a9411db
LowerRETURNADDR removed since it was wrong and does not have utility yet!
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MipsAdd opcode added
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41152 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-18 01:54:09 +00:00
Bruno Cardoso Lopes
13d1b7bbb3
InstrItineraryData support on added.
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Added Mips3 ISA feature (needed when supporting R4000 machines)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41151 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-18 01:52:27 +00:00
Bruno Cardoso Lopes
9684a697d5
A Pass to insert Nops on intructions with DelaySlot
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41150 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-18 01:50:47 +00:00
Bruno Cardoso Lopes
a5793899e3
Mips generic fallback instruction schedule support!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41149 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-18 01:46:44 +00:00
Anton Korobeynikov
a2780e11ef
Move ReturnAddrIndex variable to X86MachineFunctionInfo structure. This fixed
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hard to catch bugs with retaddr lowering
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41104 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-15 17:12:32 +00:00
Chris Lattner
d42b8be3da
add a note.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41103 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-15 16:58:38 +00:00
Evan Cheng
12914380ed
Fix a typo pointd out by Maarten ter Huurne.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41059 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-13 23:27:11 +00:00
Dan Gohman
badb2d23d1
When x86 addresses matching exceeds its recursion limit, check to
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see if the base register is already occupied before assuming it can be
used. This fixes bogus code generation in the accompanying testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41049 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-13 20:03:06 +00:00
Chris Lattner
a45d9a15ba
Fix PR1607
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41048 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-13 18:42:37 +00:00
Chris Lattner
ace2e8ad0c
expand a note
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41021 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-11 18:19:07 +00:00
Chris Lattner
384f4a94f8
With evan's explicit flag representation, hopefully we will finally be
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able to 3-addressify away stuff like this:
movl %ecx, %eax
decl %eax
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41020 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-11 18:16:46 +00:00
Bill Wendling
01284b4d55
64-bit SSSE3 ops that use MMX registers don't require 16-byte alignment.
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Make a 'memop' pattern just for them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41017 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-11 09:52:53 +00:00
Christopher Lamb
a1eb155e52
Use subregs to improve any_extend code generation when feasible.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41013 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-10 22:22:41 +00:00
Christopher Lamb
c59e52108b
Increase efficiency of sign_extend_inreg by using subregisters for truncation. As the README suggests sign_extend_subreg is selected to (sext(trunc)).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41010 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-10 21:48:46 +00:00
Christopher Lamb
6f41435879
Edit README in light of previous LEA16 commit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41009 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-10 21:29:05 +00:00
Christopher Lamb
b81337117c
Add 2-addr to 3-addr promotion code that allows 32-bit LEA to be used via subregisters when 16-bit LEA is disabled.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41007 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-10 21:18:25 +00:00
Rafael Espindola
594d37e21a
propagate struct size and alignment of byval arguments to the DAG
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40986 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-10 14:44:42 +00:00
Bill Wendling
ae9671b838
For kicks, I though it would be fun to use the correct opcode.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40985 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-10 09:00:17 +00:00
Bill Wendling
76d708b76f
Adding SSSE3 intrinsics.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40982 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-10 06:22:27 +00:00
Evan Cheng
a3231ba237
Temporarily backing out this change until we know why some dejagnu tests are failing.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40973 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-09 22:25:35 +00:00
Evan Cheng
f7ef26e701
divb / mulb outputs to ah. Under x86-64 it's not legal to read ah if the instruction requires a rex prefix (i.e. outputs to r8b, etc.). So issue shift right by 8 on AX and then truncate it to 8 bits instead.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40972 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-09 21:59:35 +00:00
Evan Cheng
a333b41af9
GR16_ sub-register class should be GR8_, not GR8. That is, it should only be 8-bit registers in 32-bit mode. Ditto for GR32_.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40970 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-09 18:05:17 +00:00
Dale Johannesen
5411a3937f
long double 9 of N. This finishes up the X86-32 bits
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(constants are still not handled). Adds ConvertActions
to control fp-to-fp conversions (these are currently
defaulted for all other targets, so no changes there).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40958 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-09 01:04:01 +00:00
Dale Johannesen
48bd15ed72
Fix arguments for some Altivec instructions. From SWB.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40957 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-09 00:49:19 +00:00