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Commit Graph

235 Commits

Author SHA1 Message Date
Chris Lattner
bf414ca145 Don't emit unneccesary branch instructions!
llvm-svn: 5328
2003-01-16 18:07:23 +00:00
Chris Lattner
0a6ac532e1 Fix problem with invalidated iterator
llvm-svn: 5327
2003-01-16 18:07:13 +00:00
Chris Lattner
7455428f21 Implement optimization folding setcc into branch.
llvm-svn: 5324
2003-01-16 16:43:00 +00:00
Chris Lattner
8b4e7a511b Add more flavors of branch instructions
llvm-svn: 5323
2003-01-16 16:42:45 +00:00
Chris Lattner
013ad21206 Implement code to keep the stack pointer aligned to an 8 byte boundary.
This improves the performance of the power benchmark by a few percent.
This will be neccesary for SSE code, which requires 16 byte alignment of
the stack.

llvm-svn: 5320
2003-01-16 02:20:12 +00:00
Chris Lattner
df631471bf Handle frame offset due to return address pushed on the stack
llvm-svn: 5319
2003-01-15 22:57:35 +00:00
Chris Lattner
1a7dbb190e X86 backend should never use addMReg
llvm-svn: 5288
2003-01-15 00:04:14 +00:00
Chris Lattner
b27d60ccf1 Rename MachineInstrInfo -> TargetInstrInfo
llvm-svn: 5272
2003-01-14 22:00:31 +00:00
Chris Lattner
fe32c9841d New files
llvm-svn: 5260
2003-01-13 01:01:59 +00:00
Chris Lattner
41b715c939 * No longer need lowerallocation pass
* Add X86 Stackifier pass
* Add peephole optimizer pass

llvm-svn: 5233
2003-01-13 00:51:23 +00:00
Chris Lattner
b3776320cf rename FP -> fp*
llvm-svn: 5232
2003-01-13 00:50:46 +00:00
Chris Lattner
b355b13a8e * Move frame and constant pool indexes to first argument of memory reference
so we can put an offset in there as well...
* Fix long/ulong stuff

llvm-svn: 5231
2003-01-13 00:50:33 +00:00
Chris Lattner
4f840c1292 * Some instructions take 64 bit integers, add an Arg type for it
* Add flags for different types of FP pseudo instrs

llvm-svn: 5230
2003-01-13 00:49:24 +00:00
Chris Lattner
902000e290 * Function calls clobber fp registers
* Use new M_TERMINATOR_FLAG flag
* Add ::Void flag on several instructions so def-use info is correct!
* Implement MANY FP instructions
* Finalize pseudo FP instructions
* Add set of Pseudo FP instruction description flags
* Add support for MOVim instrs
* Add support for 64 bit support instrs, like adc sbb, etc
* Add conditional move

llvm-svn: 5229
2003-01-13 00:48:46 +00:00
Chris Lattner
af51740068 Add support for frame and constant pool references
llvm-svn: 5228
2003-01-13 00:45:53 +00:00
Chris Lattner
b264e01cfe Move passes out to Passes.h
llvm-svn: 5227
2003-01-13 00:45:29 +00:00
Chris Lattner
9b01e3a012 Add speculation
llvm-svn: 5226
2003-01-13 00:35:08 +00:00
Chris Lattner
21c83b54c0 * Implement rudimentary output of the constant pool
* Implement support for MRMS?m instructions
* Add Arg64 support
* Add support for frame indexes and constant pool indexes
*

llvm-svn: 5225
2003-01-13 00:35:03 +00:00
Chris Lattner
d329d95d7f * Add support for FP registers ST*
* Add support for the constant pool & constant pool indices
* Add support for MRMS?m instructions
* Fix FP Prefix emission
* Add support for global addresses and external symbols

llvm-svn: 5224
2003-01-13 00:33:59 +00:00
Chris Lattner
f3989edae2 * Adjust to use new interfaces, eliminating CurReg stuff
* Support arbitrary FP constants
* Fix bugs in frame layout for function calls and incoming arguments
* Insert copies for constant arguments to PHI nodes into the BOTTOM of
  predecessor blocks, not the top.
* Implement _floating point_ support: setcc, return, load, store, cast
* Fix several bugs in the cast instruction
* Abstract out call emission and load/store for FP
* Implement malloc/free without previous lowering pass.
* Make use of new forms of MachineOperand
* Implement _long_ support!
* Fix many bugs in FP support
* Change branch from je/jne to je/jmp
* Simplify code generated for GEP instructions

llvm-svn: 5223
2003-01-13 00:32:26 +00:00
Chris Lattner
dfa3c21f1c More renamings of Target/Machine*Info to Target/Target*Info
llvm-svn: 5204
2002-12-29 03:13:05 +00:00
Chris Lattner
bff4411f3a Rename MachineOptInfo to TargetoptInfo
Rename MachineCacheInfo to TargetCacheInfo

llvm-svn: 5203
2002-12-29 02:50:35 +00:00
Chris Lattner
ea33ca1e96 Rename FunctionFrameInfo to MachineFrameInfo
llvm-svn: 5201
2002-12-28 21:08:28 +00:00
Chris Lattner
2407294a41 Rename MachineFrameInfo to TargetFrameInfo.h
llvm-svn: 5199
2002-12-28 21:00:25 +00:00
Chris Lattner
105b7d86fb Implement the TargetFrameInfo interface
llvm-svn: 5189
2002-12-28 20:33:52 +00:00
Chris Lattner
c98a33844d * Initialize new FrameInfo member
* most pass ctors no longer take TM arguments
* New prolog/epilog insertion pass

llvm-svn: 5188
2002-12-28 20:33:32 +00:00
Chris Lattner
56a499f4ee Changes to match new MRegisterInfo api
llvm-svn: 5187
2002-12-28 20:32:54 +00:00
Chris Lattner
a2bb8607ab *** Implement frame pointer elimination on X86!
* Include contents of X86RegisterClasses.cpp into here
* Adjustments to register api to work with new frame manager
* Eliminate moveImm2Reg, getFramePointer, and getStackPointer
* Cleanup and simplify prolog/epilog code generation
* Prolog/epilog are MUCH more efficient now.

llvm-svn: 5186
2002-12-28 20:32:28 +00:00
Chris Lattner
df4f605836 Contents merged with X86RegisterInfo.cpp
llvm-svn: 5185
2002-12-28 20:30:15 +00:00
Chris Lattner
4c782b2fb2 * Remove implementations of previously pure virtual functions that are not any longer.
llvm-svn: 5184
2002-12-28 20:29:41 +00:00
Chris Lattner
edd79f7fe1 * Minor reformatting
* Remove some size suffixes [bwl]
* Add new ADJCALLSTACKDOWN & ADJCALLSTACKUP pseudo instrs
* Call instructions are M_CALL not M_BRANCH!
* Disable push and pop instructions
* Add new ANDri32 instr

llvm-svn: 5183
2002-12-28 20:29:14 +00:00
Chris Lattner
f6da2e0f4c New addFrameReference function
llvm-svn: 5182
2002-12-28 20:26:58 +00:00
Chris Lattner
2342bfb2f9 * Most pass ctor functions don't take TM arguments anymore
* New createPrologEpilogCodeInserter() function

llvm-svn: 5181
2002-12-28 20:26:16 +00:00
Chris Lattner
be4392473a * Convert to a MachineFunctionPass
* Don't take a TM as a ctor parameter
* Print [X - Y] instead of [X + -Y] when possible

llvm-svn: 5180
2002-12-28 20:25:38 +00:00
Chris Lattner
9f8812ec40 * Convert to a MachineFunctionPass
* ctor doesn't take TM argument
* handle direct ESP references correctly!

llvm-svn: 5179
2002-12-28 20:24:48 +00:00
Chris Lattner
f3b903dcc8 * Use the new Abstract Frame Manager to handle incoming arguments and
fixed size allocas
* Revamp call emission to work with new frame manager

llvm-svn: 5178
2002-12-28 20:24:02 +00:00
Chris Lattner
53e9d39bc2 * Simplify Value classes
* Add initial support for FP constants
* Add initial FP support for several instructions

llvm-svn: 5154
2002-12-25 05:13:53 +00:00
Chris Lattner
e639913b11 * Use new pseudo instr form for instructions
* Mark CALLpcrel as a RawFrm instruction as required
* Eliminate invalid BSWAP16 instruction
* Add xchg instructions
* Add initial support for FP instructions

llvm-svn: 5153
2002-12-25 05:11:46 +00:00
Chris Lattner
d4566a0a47 Add FP instr prefix byte support
Add Pseudo instr class

llvm-svn: 5152
2002-12-25 05:09:59 +00:00
Chris Lattner
c96e206d58 Add support for FP prefixes
llvm-svn: 5151
2002-12-25 05:09:21 +00:00
Chris Lattner
68a2c5d133 Add printer support for Pseudo instructions
llvm-svn: 5150
2002-12-25 05:09:01 +00:00
Chris Lattner
ab905c5375 Initial support for FP registers
llvm-svn: 5149
2002-12-25 05:08:03 +00:00
Chris Lattner
05a3f80d24 New simpler spill interface
llvm-svn: 5148
2002-12-25 05:07:09 +00:00
Chris Lattner
34940d2aa8 Adjustments to match new simpler spill interface
llvm-svn: 5147
2002-12-25 05:06:43 +00:00
Chris Lattner
31a733bd3a Free machine code
llvm-svn: 5146
2002-12-25 05:06:21 +00:00
Chris Lattner
886374c6bc Changes to allow for a configurable target machine that allows big endian and/or long pointer operation
llvm-svn: 5131
2002-12-24 00:04:01 +00:00
Chris Lattner
16378bf522 Changes to compile with GCC 2.96
Changes to support configurable pointer size and endianness

llvm-svn: 5130
2002-12-24 00:03:11 +00:00
Chris Lattner
8e628685d9 Fix compilation on gcc 2.96
llvm-svn: 5116
2002-12-23 23:46:55 +00:00
Chris Lattner
285f1458f0 Add definition for the bswap instruction
*** FIX: the encoding of the SUB instruction

llvm-svn: 5115
2002-12-23 23:46:31 +00:00
Chris Lattner
9e13907a4f Add support for the bswap instruction
llvm-svn: 5114
2002-12-23 23:46:00 +00:00