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[smlnj] Log of /sml/trunk/src/MLRISC/Tools
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Log of /sml/trunk/src/MLRISC/Tools

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Revision 1048 - Directory Listing
Modified Thu Jan 31 06:36:17 2002 UTC (17 years, 8 months ago) by leunga

     MLRISC bug fixes.  MachineInt.fromString was negating its value.

Revision 1038 - Directory Listing
Modified Mon Jan 28 00:18:03 2002 UTC (17 years, 8 months ago) by leunga
     The 'nowhere' program generator (which translates programs
     with where clauses into legal SML) is now an installation target.

Revision 1035 - Directory Listing
Modified Thu Jan 24 19:07:18 2002 UTC (17 years, 8 months ago) by leunga
    Minor lexer bug fixed

Revision 1025 - Directory Listing
Modified Thu Jan 17 20:31:51 2002 UTC (17 years, 8 months ago) by leunga
     Fixed a problem with the handling of CALLs in x86's "fast fp" mode.

Revision 1017 - Directory Listing
Modified Wed Jan 16 14:48:16 2002 UTC (17 years, 9 months ago) by george
  fixed various bugs with emitting pseudo-ops

Revision 1009 - Directory Listing
Modified Wed Jan 9 19:44:22 2002 UTC (17 years, 9 months ago) by george
	Removed the native COPY and FCOPY instructions
	from all the architectures and replaced it with the
	explicit COPY instruction from the previous commit.

	It is now possible to simplify many of the optimizations
	modules that manipulate copies. This has not been
	done in this change.

Revision 1003 - Directory Listing
Modified Fri Dec 7 02:45:32 2001 UTC (17 years, 10 months ago) by george
Changed the representation of instructions from being fully abstract
to being partially concrete. That is to say:

  from
	type instruction

  to
	type instr				(* machine instruction *)

	datatype instruction =
	    LIVE of {regs: C.cellset, spilled: C.cellset}
          | KILL of {regs: C.cellset, spilled: C.cellset}
          | COPYXXX of {k: CB.cellkind, dst: CB.cell list, src: CB.cell list}
          | ANNOTATION of {i: instruction, a: Annotations.annotation}
          | INSTR of instr

This makes the handling of certain special instructions that appear on
all architectures easier and uniform.

LIVE and KILL say that a list of registers are live or killed at the
program point where they appear. No spill code is generated when an
element of the 'regs' field is spilled, but the register is moved to
the 'spilled' (which is present, more for debugging than anything else).

LIVE replaces the (now deprecated) DEFFREG instruction on the alpha.
We used to generate:

	DEFFREG f1
	f1 := f2 + f3
        trapb

but now generate:

	f1 := f2 + f3
	trapb
	LIVE {regs=[f1,f2,f3], spilled=[]}

Furthermore, the DEFFREG (hack) required that all floating point instruction
use all registers mentioned in the instruction. Therefore f1 := f2 + f3,
defines f1 and uses [f1,f2,f3]! This hack is no longer required resulting
in a cleaner alpha implementation. (Hopefully, intel will not get rid of
this architecture).

COPYXXX is intended to replace the parallel COPY and FCOPY  available on
all the architectures. This will result in further simplification of the
register allocator that must be aware of them for coalescing purposes, and
will also simplify certain aspects of the machine description that provides
callbacks related to parallel copies.

ANNOTATION should be obvious, and now INSTR represents the honest to God
machine instruction set!

The <arch>/instructions/<arch>Instr.sml files define certain utility
functions for making porting easier -- essentially converting upper case
to lower case. All machine instructions (of type instr) are in upper case,
and the lower case form generates an MLRISC instruction. For example on
the alpha we have:

  datatype instr =
     LDA of {r:cell, b:cell, d:operand}
   | ...

  val lda : {r:cell, b:cell, d:operand} -> instruction
    ...

where lda is just (INSTR o LDA), etc.

Revision 999 - Directory Listing
Modified Tue Nov 27 06:28:37 2001 UTC (17 years, 10 months ago) by leunga

1. Made the stuff in MLRISC/Tools compile with the new pseudo ops changes.
2. Packaged the stuff in MLRISC/Tools as a library during installation.

Revision 984 - Directory Listing
Modified Wed Nov 21 19:00:08 2001 UTC (17 years, 10 months ago) by george
  Implemented a complete redesign of MLRISC pseudo-ops. Now there
  ought to never be any question of incompatabilities with
  pseudo-op syntax expected by host assemblers.

  For now, only modules supporting GAS syntax are implemented
  but more should follow, such as MASM, and vendor assembler
  syntax, e.g. IBM as, Sun as, etc.

Revision 974 - Directory Listing
Modified Sun Oct 28 03:29:04 2001 UTC (17 years, 11 months ago) by leunga

     Fixed parsing of <pat> : <ty> and <exp> : <ty>

Revision 973 - Directory Listing
Modified Sun Oct 28 00:44:05 2001 UTC (17 years, 11 months ago) by leunga

   Improved pretty printing of sml ast

Revision 951 - Directory Listing
Modified Tue Oct 9 13:54:40 2001 UTC (18 years ago) by george
Updated input to PERL scripts used to generate
MLRISC cm files.

Revision 935 - Directory Listing
Modified Wed Sep 19 20:14:52 2001 UTC (18 years ago) by george
Installed patch from Allen to track compiler
environment changes that affect MLRISC/Tools.

Revision 909 - Directory Listing
Modified Fri Aug 24 17:48:53 2001 UTC (18 years, 1 month ago) by george
removed clusters from MLRISC

Revision 900 - Directory Listing
Modified Tue Aug 14 15:10:12 2001 UTC (18 years, 2 months ago) by jhr
  Moved CellSets from Cells to CellsBasis.

Revision 889 - Directory Listing
Modified Thu Jul 19 20:35:20 2001 UTC (18 years, 2 months ago) by george
Substantial simplification in the CELLS interface

Revision 840 - Directory Listing
Modified Fri Jun 15 19:05:19 2001 UTC (18 years, 4 months ago) by blume
c-calls (and NLFFI) implementation for Sparc

Revision 839 - Directory Listing
Modified Thu Jun 7 20:28:44 2001 UTC (18 years, 4 months ago) by blume
several internal changes related to C calls

Revision 823 - Directory Listing
Modified Tue May 8 21:25:15 2001 UTC (18 years, 5 months ago) by george
omit frame pointer optimization

Revision 815 - Directory Listing
Modified Fri May 4 05:09:10 2001 UTC (18 years, 5 months ago) by leunga

    Moby related MLRISC changes

Revision 797 - Directory Listing
Modified Fri Mar 16 00:00:17 2001 UTC (18 years, 7 months ago) by leunga

   x86 optimizations for x := x op y where x is a memory location.

Revision 796 - Directory Listing
Modified Tue Mar 6 00:04:33 2001 UTC (18 years, 7 months ago) by leunga

   Support for alternative control-flow, exception handlers added.

Revision 782 - Directory Listing
Modified Fri Feb 16 19:42:00 2001 UTC (18 years, 7 months ago) by george
allow escapes for arrow characters

Revision 775 - Directory Listing
Modified Fri Jan 12 01:17:51 2001 UTC (18 years, 9 months ago) by leunga

    Merging the types labexp and mltree.
    tag leunga-20010111-labexp=mltree

Revision 752 - Directory Listing
Modified Fri Dec 8 23:32:37 2000 UTC (18 years, 10 months ago) by leunga

    Slight improvements to a code generator tool.

Revision 748 - Directory Listing
Modified Fri Dec 8 04:24:28 2000 UTC (18 years, 10 months ago) by leunga
    A slight problem fixed.

Revision 744 - Directory Listing
Added Fri Dec 8 04:11:42 2000 UTC (18 years, 10 months ago) by leunga

   A CVS update record!

   Changed type cell from int to datatype, and numerous other changes.
   Affect every client of MLRISC.  Lal says this can be bootstrapped on all
   machines.  See smlnj/HISTORY for details.

   Tag:  leunga-20001207-cell-monster-hack

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