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711e50b6ff
Commit Graph

595 Commits

Author SHA1 Message Date
Chris Lattner
711e50b6ff * Changes to be a MachineFunctionPass 
* Frame information is now stuck in MachineFunctionInfo instead of directly
  in MachineFunction.
* Don't require a TM as an argument to the ctor

llvm-svn: 5172
 2002-12-28 20:16:08 +00:00
Chris Lattner
e82edfba8e * Don't access TargetData directly 
* Changes because frame info is not in MachineFunction directly anymore

llvm-svn: 5171
 2002-12-28 20:15:01 +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
4fecd98cb0 Sparc is not little endian 
llvm-svn: 5129
 2002-12-24 00:02:38 +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
Chris Lattner
2dc1b58c11 Fix warning 
llvm-svn: 5109
 2002-12-20 04:13:28 +00:00
Chris Lattner
f8876bb77d CBW doesn't modify AL 
llvm-svn: 5108
 2002-12-20 04:13:11 +00:00
Chris Lattner
d838414ec1 fix warning 
llvm-svn: 5107
 2002-12-20 04:12:48 +00:00
Chris Lattner
c21fd773b8 Don't force setCC instructions into AL 
llvm-svn: 5104
 2002-12-18 01:44:31 +00:00
Chris Lattner
b1c74bb421 Add comments, switch uses/defs to match InstrInfo.def file 
llvm-svn: 5102
 2002-12-18 01:05:54 +00:00
Chris Lattner
0607e84008 Add reg clobber list for direct calls 
Represent empty use/def list as a null pointer

llvm-svn: 5101
 2002-12-18 01:05:31 +00:00
Chris Lattner
0b617b0e1d Update to use new interface for register info 
llvm-svn: 5098
 2002-12-17 04:19:17 +00:00
Chris Lattner
cbc794db30 New file 
llvm-svn: 5097
 2002-12-17 04:03:08 +00:00
Chris Lattner
dbca3de031 Round number of bytes allocated on the stack up to a multiple of 4 so that the 
stack remains aligned

llvm-svn: 5095
 2002-12-17 03:15:26 +00:00
Chris Lattner
305d72e965 Local register allocator is now stable enough for use, it passes all tests 
llvm-svn: 5094
 2002-12-17 02:51:15 +00:00
Chris Lattner
4a60d804c2 Register allocator is responsible for spilling callee saved regs 
llvm-svn: 5092
 2002-12-17 02:48:57 +00:00
Chris Lattner
c7e6dd2341 Build add instructions of the correct form! 
llvm-svn: 5090
 2002-12-16 23:36:57 +00:00
Chris Lattner
f5da16f2f6 Two fixes: 
* Only load incoming arguments into virtual registers once at the
    beginning of the function
  * Assign different virtual registers to each reference to constants/globals

llvm-svn: 5088
 2002-12-16 22:54:46 +00:00
Chris Lattner
9d64c1e53a Fix prolog/epilog in the presence of alloca 
llvm-svn: 5087
 2002-12-16 22:29:30 +00:00
Chris Lattner
2e17697e81 Make sure stack manipulation refers to ESP the right number of times 
llvm-svn: 5086
 2002-12-16 22:29:06 +00:00
Chris Lattner
de4d89ef9f Add some special cases to make common getelementptr cases easier to read/faster 
llvm-svn: 5084
 2002-12-16 19:32:50 +00:00
Chris Lattner
4576429b7c Finish implementation of alias list impl 
llvm-svn: 5083
 2002-12-16 19:31:48 +00:00
Chris Lattner
4d0ca4b442 Add mechanism to select register allocator to use 
llvm-svn: 5079
 2002-12-16 16:15:51 +00:00
Chris Lattner
b833239d6b Try #2 to get alias set stuff to work 
llvm-svn: 5077
 2002-12-16 16:14:51 +00:00
Chris Lattner
eae93bdb93 Add comments 
llvm-svn: 5076
 2002-12-16 15:57:44 +00:00
Chris Lattner
fd065b6b1a Add info about register aliases, add prototype for createLocalRegisterAllocator 
llvm-svn: 5075
 2002-12-16 15:55:51 +00:00
Chris Lattner
b413ce63d5 Add info about register file aliasing 
llvm-svn: 5074
 2002-12-16 15:55:25 +00:00
Chris Lattner
e6ad4941fc Add information about register file aliasing 
llvm-svn: 5073
 2002-12-16 15:54:59 +00:00
Chris Lattner
68af8985f4 Add call clobber info 
llvm-svn: 5072
 2002-12-16 15:54:42 +00:00
Chris Lattner
566fb4c7b7 Rename createSimpleX86RegisterAllocator to createSimpleRegisterAllocator 
llvm-svn: 5071
 2002-12-16 14:38:13 +00:00
Brian Gaeke
e4da1d5de6 brg 
Fix some bugs in use of MBB vs. BB and iterators that are invalidated before
we use them.

Reference targetClass by enum name, not by number.

llvm-svn: 5069
 2002-12-16 04:23:29 +00:00
Chris Lattner
4964e751cd Correct the setting of Def flags on registers that are modified! 
llvm-svn: 5065
 2002-12-15 22:38:47 +00:00
Chris Lattner
ea2d8ad746 Give passes nice names! 
llvm-svn: 5059
 2002-12-15 21:13:40 +00:00
Chris Lattner
4214ac384a Simplify interfaces used by regalloc to insert code 
llvm-svn: 5052
 2002-12-15 20:06:35 +00:00
Chris Lattner
ce23fdeee2 Changes to make new TargetRegisterClass interface. 
llvm-svn: 5050
 2002-12-15 19:29:34 +00:00
Chris Lattner
caa325a559 * Simplify TargetRegisterClass implementations 
* Change regclass iterators to use an extra level of pointers

llvm-svn: 5047
 2002-12-15 18:40:36 +00:00
Chris Lattner
50d99540cf Add support to cast from a bool type 
Add support for boolean constants
add getClassB method

llvm-svn: 5034
 2002-12-15 08:02:15 +00:00
Chris Lattner
534876a78c Use MachineOperand::isFoo methods instead of our own global functions 
llvm-svn: 5033
 2002-12-15 08:01:39 +00:00