David Given
5f0164db62
Bolt mcg into the PowerPC backend. It doesn't build yet, but it is generating
...
*some* code.
2016-10-17 00:06:06 +02:00
David Given
a8ee82d197
Stop passing proc around, and use a global instead --- much cleaner.
2016-10-15 23:19:44 +02:00
David Given
7aa60a6451
Register spilling to the stack frame works, more or less.
2016-10-15 22:53:56 +02:00
David Given
9504aec2bd
Function termination gets routed through an exit block; we now have prologues
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and epilogues. mcgg now exports some useful data as headers. Start factoring
out some of the architecture-specific bits into an architecture-specific file.
2016-10-15 18:38:46 +02:00
David Given
5ad3aa8595
Add a pile of new instructions used by Pascal; I'm going to need to think about
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how locals and the local base are handled.
2016-10-15 13:07:59 +02:00
David Given
b2ddf12473
Some more opcodes.
2016-10-15 11:22:40 +02:00
David Given
df239b3f90
Don't allow the same IR to be added to the sequence list more than once
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(sometimes happens because op_dup, but makes no sense).
2016-10-12 00:45:36 +02:00
David Given
668cccdff1
A few more opcodes.
2016-10-11 00:29:18 +02:00
David Given
36cddd6afb
Add some more opcodes; rearrange the registers to be more PowerPC-friendly.
2016-10-09 14:45:13 +02:00
David Given
8fedf5a0a8
Added support for the op_bXX conditional branch instructions.
2016-10-04 23:28:16 +02:00
David Given
79d4ab1d96
Add zrl opcode. Keep track of local sizes as well as offsets.
2016-10-02 16:08:46 +02:00
David Given
bf73fcdb64
Add inl and del opcodes.
2016-10-02 14:44:21 +02:00
David Given
b298c27c63
Refactor mcg.h as it's getting a bit big; keep track of register variables.
2016-10-02 00:30:33 +02:00
David Given
a3cfe6047f
More rigorous dealing of IR groups; no need for is_generated and is_root any
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more (but now passes are required to set IR roots properly when changing
instructions).
2016-10-01 22:58:29 +02:00
David Given
0d246c0d73
Much better handling of fragments (no run-time code needed to distinguish them
...
from registers) and better handling of individual hops within a paragraph ---
no more ghastly hacks to try and distinguish the input from the output.
2016-09-29 22:06:04 +02:00
David Given
c4b8e00ae2
Revamp the array module not to use nasty macros any more. Slightly more verbose
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to use, but definitely cleaner.
2016-09-26 22:48:58 +02:00
David Given
67eb21d428
Rename struct insn to struct em (throughout).
2016-09-25 12:29:03 +02:00
David Given
629e0ddfc6
Some instruction selection is now happening.
2016-09-24 22:46:08 +02:00
David Given
bb9aa030a5
Procedure compilation now happens after the entire EM file has been read in (so
...
that we can look inside data blocks which might be defined in the future...
sigh, csa and csb). csa and csb no longer generate invalid IR.
2016-09-24 01:04:00 +02:00
David Given
ed67d427c9
Replaced the block splicer with a trivial block eliminator (which rewrites
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jumps to blocks which contain only a jump). Don't bother storing the bb graph
in the ir nodes; we can find it on demand by walking the tree instead ---
slower, but much easier to understand and more robust. Added a terrible map
library.
2016-09-23 23:59:15 +02:00
David Given
9077baa850
Add a bodged in algorithm for converting basic block communication from stacked
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variables to SSA. Also add dead block removal and block splicing. IR code is
much better now.
2016-09-22 23:19:29 +02:00
David Given
6a74cb2e11
Tracing cleanup. Simplified the IR code. Some more opcodes.
2016-09-22 00:15:48 +02:00
David Given
36d7d1ee4e
Create hacky fake basic blocks for data fragments, used to track which
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instruction labels descriptor blocks refer to; this allows csa and csb to know
where they're going.
2016-09-20 00:19:39 +02:00
David Given
dcba03646b
Treebuilder now gets to the bottom of my test file, merrily generating
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(probably horribly broken) IR.
2016-09-19 23:30:41 +02:00
David Given
6ce2495aeb
Store the EM code up front and build the basic block graph *before*
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generating the IR code. Lots more IR code.
2016-09-19 23:06:59 +02:00
David Given
176cd7365c
Archival checking of the half-written IR treebuilder.
2016-09-18 23:24:54 +02:00
David Given
24380e2a93
Abstract out the EM reader; skeleton of the tree builder.
2016-09-18 00:02:16 +02:00
