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Author SHA1 Message Date
keie 95510f8b4c Initial revision 1984-09-24 14:10:23 +00:00
em 2c4b17e464 Compile-time option GLOBAL_OPT defined. If set, the resulting 
peephole optimizer will be suitable for optimizing the output of
the global optimizer. In particular, it doesn't change the register
messages.
 1984-09-14 10:25:07 +00:00
keie c97e1a7bc2 1 - The prop keyword with is flags is now obsolete. Its function is 
taken over by several other keywords: stdin, stdout, prep, optimizer,
    combiner and linker.
2 - The search order is changed. First {EM}/lib/{M}/descr, then
    {EM}/lib/ack/{M}, finally {M}.
 1984-09-13 14:40:09 +00:00
keie c93761cadc The t_do bits are not set by this module. The t_next entry is used 
to see whether the scan for this phase is already done.
t_do is now set in add_inputs(files.c).
 1984-09-13 14:35:02 +00:00
keie aa4bae59e0 1 - The t_do flags is now set by add_inputs(files.c). 
2 - Recognize the fact that it is possible to start a combiner without
    input files.
3 - Removed -d flag. Overflow for -v (>2) now ends up in debug.
    -v may be followed by a number indicating the increment.
 1984-09-13 11:07:46 +00:00
keie 527726167a 1 - The outfile entry is only used when the output file must not be thrown 
away.
2 - If a combiner has no named input file (only libs+flags) then issue
    a warning message and make up a name.
 1984-09-13 11:04:00 +00:00
bal 68a6231d11 pem did not generate a register message for var-parameters of 
array- or record type. The routine "treewalk" is modified.
It generates a register message for every var-parameter, even
if it has its noreg-flag set.
 1984-09-12 13:21:43 +00:00
bal ebed9d4804 unlk a6 added to restr(). 1984-09-11 15:44:14 +00:00
keie 5895758914 Added ego, basic and callname conventions. 1984-09-10 17:34:04 +00:00
keie 3c300d3e1c No comment. 1984-09-10 16:51:02 +00:00
keie 8443ef3f8d Combiners (ego, linkers) now use a list of path's(ack.h) to indicate 
their input files.
Unmatched flags are now sent to the linker.
 1984-09-10 16:48:57 +00:00
keie 1188f0e810 1 - A transformation is succesfull when 
a - a stopsuffix is indicated and met,
    b - the last transformation is included in the transformation path.
2 - Maintains a 'cash' of best paths for all transformation to be executed.
 1984-09-10 16:46:13 +00:00
keie 1dba1f5328 The input file names of the linker are to be found in a different place. 1984-09-10 16:45:12 +00:00
keie 20100c69c7 1 - added keywords callname and outfile. See manual. 
2 - multiple combiners are allowed now.
3 - A different search mechanism is used for finding descriptor files.
 1984-09-10 16:42:55 +00:00
keie c504e2e22a 1 - callname recognition is moved to rmach.c. 
2 - The overall scheme is altered.
	first, all input files are processed until a combining phase is met.
	then, all the combining phases are executed, the resulting files
	are again processed until a combiner (or final) phase is met.
3 - The EM_DIR shell variable can be used to set ack's idea of the EM
    home directory.
 1984-09-10 16:37:11 +00:00
keie 31f96c6850 1 - The names of temporary files are now Ack'hex''unique'.'suffix'. 
'hex' is the pid of the current invocation of ack in hex.
    'unique' is a tail unique to this invocation.
2 - The outfile field is used to indicate default naming, can be ovrrriden
    by the -o flag.
3 - Added handling for phases with multiple inputs (ego, linker).
 1984-09-10 16:33:03 +00:00
keie 6eda6ac320 The role of the combiner is -partially- assumed by the linker. 
Linker arguments are now part of the transformation structure.
Temp file nameing is changed.
 1984-09-10 16:30:47 +00:00
keie 384bb7f6c4 Naming of the tempname is changed (see files.c). 1984-09-10 16:29:37 +00:00
keie 4c265a7cc6 Initial revision 1984-09-03 13:49:40 +00:00
sater 2bf16c5b2f Variable nregvars had a name clash with the array nregvar[] in the 
file tables.c. That was different in the 8'th character (!"#$%&'()_).
These variables should actually be static.
 1984-08-23 17:07:53 +00:00
keie 0d48be448f We do not use the missing " trick anymore. 
The root directory of the EM tree is in the name EM_DIR, the
root directory for tempfiles is in TMP_DIR.
All other path's are relative to EM_DIR.
 1984-08-23 13:33:11 +00:00
keie f6b59970f6 The ACK tree on the vax has as default machine 'vax2'. 1984-08-23 13:27:14 +00:00
keie 1d463f136a The missing trailing " trick is now also used for TMP_DIR. 1984-08-23 13:26:44 +00:00
keie 773f0aa626 The ms_gto is added. This is a trick used to indicate procedures 
jumped to with gto.
 1984-08-23 13:25:44 +00:00
keie 621f9f4ea9 *** empty log message *** 1984-08-23 13:20:59 +00:00
keie 198da9e822 Initial revision 1984-08-23 13:18:14 +00:00
keie 5db647e661 Initial revision 1984-08-23 13:00:32 +00:00
sater 3744019c53 increased MAXNODES in small memory mode 1984-08-23 12:25:24 +00:00
sater 5689e6ab64 Increased the amount of information passed through error routines 
to printf. The routine badassert, running on a 2/4 machine lost it's
last argument on the way.
Anyone know of a better way to solve this problem?
 1984-08-17 15:35:28 +00:00
keie 4759d84bdd Added comment. 1984-08-17 14:57:31 +00:00
keie c2f189c855 Added RCS identification. 1984-08-17 14:44:24 +00:00
sater 822b1c557c Revised to include rcsid of pattern file in binary opt 1984-08-16 16:08:39 +00:00
sater 744bc6845d enlarged string table in big memory case 1984-08-16 13:34:59 +00:00
sater ce098c78cb added patterns to prevent stacking in *p++ cases 1984-08-15 16:05:54 +00:00
sater d1b3479a55 added patterns to remove some more dup's 1984-08-15 16:04:19 +00:00
sater e682a47599 added patterns for inc/dec/adp of local and external offsetted 
This makes the getc() macro from C very efficient, among others
 1984-08-15 14:31:54 +00:00
sater eebcf1b22c added patterns to remove as many dup's as possible. 1984-08-15 14:23:42 +00:00
sater b31c9f4a4a added definition of malloc(). 
Program crashed on 2/4 machines
 1984-08-08 10:54:04 +00:00
sater e41876f32a reworked patterns for autoincrement stores, now that peephole optimizer 
rearranged it.
 1984-08-07 10:22:49 +00:00
sater eff0f36a5d added patterns for *p++ local and external p 
added pattern to remove some badly placed dups
 1984-08-03 16:37:15 +00:00
sater 6f8e6faa1f added setcc calls to some incrementing ops 
added patterns for indirect local and external increments
added patterns for loe ine and such
 1984-08-03 16:33:40 +00:00
sater 59fa458a20 removed some superfluous patterns. 
Were special cases not needed with the general case.
 1984-08-03 13:16:59 +00:00
sater ff9d23e4ec A move from a nonreg to a reg did not have the effect that all 
registers clashing with the destination were erased. Erase added.
 1984-08-02 16:31:25 +00:00
keie 93672962a1 The name "unix" is now predefined for preprocessor usage. 1984-08-02 14:13:04 +00:00
sater afc577b6c7 When building the parameter list for a pf-call, the line number 
for the exchanges war remembered at the wrong time.
This caused:
	foo(3,'string')
to cause an external identifier for the string. Fixed.
 1984-07-31 09:39:35 +00:00
keie fe922d190d String initializer handling is changed. 
Strings are now considered to be sequences of xU1's.
No alignment is done before or after the string other than the
alignment done for names and segment type switches.
 1984-07-30 14:42:33 +00:00
bal 6e519cf02b bug fixed: added "fprintf(codefile,""rts\n");" to restr() 1984-07-30 12:47:54 +00:00
bal f2e52892ac bugs fixed (syntax errors, patterns moved to front, 
"ldl ldl adp sdl sti" requires DATAREG instead of ANY1 on
fakestack)
 1984-07-30 11:16:41 +00:00
bal 233b4aeee4 patterns added to generate autoincrement and to generate 
a "move X,d0" instead of a "move X,-(sp)" before storing into X
 1984-07-27 16:53:19 +00:00
sater d90f26a8c5 added rcsid 1984-07-27 10:28:48 +00:00