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guile/module/language
Andy Wingo 0da0308b84 Prepare for SP-addressed locals
* libguile/vm-engine.c: Renumber opcodes, and take the opportunity to
  fold recent additions into more logical places.  Be more precise when
  describing the encoding of operands, to shuffle local references only
  and not constants, immediates, or other such values.
  (SP_REF, SP_SET): New helpers.
  (BR_BINARY, BR_ARITHMETIC): Take full 24-bit operands.  Our shuffle
  strategy is to emit push when needed to bring far locals near, then
  pop afterwards, shuffling away far destination values as needed; but
  that doesn't work for conditionals, unless we introduce a trampoline.
  Let's just do the simple thing for now.  Native compilation will use
  condition codes.
  (push, pop, drop): Back from the dead!  We'll only use these for
  temporary shuffling though, when an opcode can't address the full
  24-bit range.
  (long-fmov): New instruction, like long-mov but relative to the frame
  pointer.
  (load-typed-array, make-array): Don't use a compressed encoding so
  that we can avoid the shuffling case.  It would be a pain, given that
  they have so many operands already.

* module/language/bytecode.scm (compute-instruction-arity): Update for
  new instrution word encodings.

* module/system/vm/assembler.scm: Update to expose some opcodes
  directly, without the need for shuffling wrappers.  Adapt to
  instruction word encodings change.

* module/system/vm/disassembler.scm (disassembler): Adapt to instruction
  coding change.
2015-10-21 11:49:20 +02:00
..
brainfuck Fix brainfuck comment 2013-12-02 19:03:50 +01:00
bytecode Rename "RTL" to "bytecode" 2013-12-02 21:31:47 +01:00
cps Fix prompt miscompilation 2015-10-21 11:49:20 +02:00
ecmascript The GOOPS "unbound" value is a unique pair 2015-01-23 16:16:03 +01:00
elisp Fix order of evaluation in elisp lexer 2013-11-01 18:23:51 +01:00
scheme Merge remote-tracking branch 'origin/stable-2.0' 2013-08-11 22:46:22 -04:00
tree-il Fix typo in CPS conversion. 2015-10-06 10:09:12 -04:00
value Add 'for-humans?' flag to <language> specifications. 2013-01-27 10:16:40 -05:00
bytecode.scm Prepare for SP-addressed locals 2015-10-21 11:49:20 +02:00
cps.scm Add missing files 2015-07-22 18:27:37 +02:00
tree-il.scm Less copying in tree-il pre-order / post-order. 2014-03-31 18:20:55 +02:00