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44 Commits

Author SHA1 Message Date
Doug Evans
7f21d440de toplev.c (compile_file): Call init_regs after `word_mode' is valid. 
* toplev.c (compile_file): Call init_regs after `word_mode' is valid.
	* regclass.c (init_reg_modes): If choose_hard_reg_mode can't find a
	valid mode, fall back to word_mode.

From-SVN: r7379
 1994-05-27 23:29:18 +00:00
Richard Kenner
447502c7b2 (init_reg_sets_1): Eliminate several permanent call_fixed_regs. 
From-SVN: r7250
 1994-05-06 18:02:55 -04:00
Doug Evans
c27c5281ce (init_reg_sets_1): Make static. 
(init_reg_modes): New function.
(init_regs): Likewise.

From-SVN: r7104
 1994-04-20 23:38:22 +00:00
Doug Evans
ca4aac003d (choose_hard_reg_mode): Define here. 
(reg_raw_mode): Define.
(init_reg_sets_1): Initialize reg_raw_mode.

From-SVN: r7087
 1994-04-20 03:36:49 +00:00
Richard Kenner
dc9036088b (record_reg_classes): Fix logic in case of matching operands. 
From-SVN: r6528
 1994-02-11 17:30:20 -05:00
Richard Kenner
08d95f9128 Add prototypes for static functions. 
(auto_inc_dec_reg_p): New function.
(regclass): Call it to allow a register needing a secondary reload to be used
for inc/dec if it is already valid for it.

From-SVN: r6461
 1994-02-01 18:22:21 -05:00
Richard Kenner
614f68e2af (globalize_reg): New function. 
(init_reg_sets_1): Don't handle global regs here.

From-SVN: r6371
 1994-01-10 19:16:27 -05:00
Richard Stallman
cc4c133a36 (regclass): Consider commutativity even when 
one arg is a constant.

From-SVN: r5985
 1993-11-03 20:36:59 +00:00
Richard Stallman
7b18c3db9c (reg_scan_mark_refs): XEXP (x, 0) in EXPR_LIST may be 0. 
From-SVN: r5739
 1993-10-11 19:55:18 +00:00
Richard Kenner
01565a557f (reg_scan): Don't call reg_scan_mark_refs on notes if there aren't any. 
(reg_scan_mark_refs, case INSN_LIST, EXPR_LIST): New cases.

From-SVN: r5733
 1993-10-11 10:10:43 -04:00
Richard Stallman
1ebecb64eb (regno_last_note_uid): New vector. 
(reg_scan): Initialize regno_last_note_uid.
Call reg_scan_mark_refs for the notes.  Pass its new arg.
(reg_scan_mark_refs): New arg NOTE_FLAG.  Pass it recursively.
Set regno_last_note_uid.

From-SVN: r5729
 1993-10-11 07:02:42 +00:00
Richard Kenner
37747c8210 (record_reg_classes): Check if operands are the same by seeing if they 
are the same register.

From-SVN: r5632
 1993-10-06 06:58:50 -04:00
Richard Stallman
a8683de70b (record_reg_classes): There is no alt_cost 
for a pair of matching args if they are the same pseudo reg.

From-SVN: r5597
 1993-10-05 03:07:03 +00:00
Richard Kenner
1ddb342ad7 (record_reg_classes): Skip to next alternative when we skip normal 
cost computation.

From-SVN: r5561
 1993-10-02 14:09:01 -04:00
Jan Brittenson
ca695ac93d bytecode 
From-SVN: r5379
 1993-09-21 14:25:24 -07:00
Richard Stallman
808043edb1 (regclass): Fix paren error. 
From-SVN: r4566
 1993-05-25 17:30:34 +00:00
Richard Kenner
77e67eac60 record_reg_classes): When an alternative requires a match... 
record_reg_classes): When an alternative requires a match, but we do
it with a copy into a register, that alternative wins.

From-SVN: r3862
 1993-03-23 20:18:04 -05:00
Richard Kenner
be8dcd745f (regclass): Don't set REGNO_POINTER_FLAG here. 
(reg_scan_mark_refs): Set it here.
Accept INSN, not UID as arg.
(reg_scan): Call reg_scan_mark_refs with INSN, not UID.

From-SVN: r3615
 1993-03-02 18:59:33 -05:00
Richard Stallman
089e575bb0 (int_reg_class_contents): Make unsigned to avoid signed integer overflow. 
(init_reg_sets): Avoid signed integer overflow.

From-SVN: r3411
 1993-02-02 22:25:11 +00:00
Paul Eggert
ac2a945455 # Fix misspellings in comments. 
From-SVN: r3183
 1993-01-10 22:49:32 +00:00
Richard Stallman
dd9f0e8f46 Fix typo in use of SECONDARY_INPUT_RELOAD_CLASS. 
(copy_cost): Fix typo in use of SECONDARY_OUTPUT_RELOAD_CLASS.

From-SVN: r2792
 1992-11-25 05:48:35 +00:00
Richard Kenner
77edb22261 (regclass): Add missing cast from enum to int. 
From-SVN: r2755
 1992-11-18 09:58:42 -05:00
Richard Stallman
d05c8ee724 (reg_names): Reinstate the definition here. 
From-SVN: r2415
 1992-10-12 22:21:04 +00:00
Richard Stallman
c2fb3f5754 (reg_name): Deleted. 
From-SVN: r2393
 1992-10-10 20:52:07 +00:00
Richard Stallman
5fcb671c83 Fix comment syntax after #endif. 
From-SVN: r2280
 1992-09-29 20:08:08 +00:00
Richard Kenner
533d083586 (forbidden_inc_dec_class, in_inc_dec): New variables. 
(regclass): Don't alloca the costs twice.
Initialize forbidden_inc_dec_class.
For regs that have inc-dec, ignore forbidden classes.
(record_address_regs): Update in_inc_dec.

From-SVN: r2227
 1992-09-24 06:30:43 -04:00
Richard Stallman
347099d6ef (record_reg_classes): Ignore leading % when examining constraint. 
Don't bypass usual cost computation when a pseudo "matches"
a non-pseudo in matching operands.

From-SVN: r2123
 1992-09-15 04:47:08 +00:00
Richard Stallman
07d8ca2d92 (record_reg_class): For matching operands... 
(record_reg_class): For matching operands, handle
case where the earlier one is not a pseudo like the case
where the later one is not a pseudo.

From-SVN: r2067
 1992-09-07 05:56:52 +00:00
Tom Wood
e5ed215546 (regclass): Don't scan the constraints if there aren't any operands. 
(regclass): Don't scan the constraints if there aren't
        any operands.  Don't look for a commutative constraint in the last
        operand.

From-SVN: r1813
 1992-08-13 20:48:40 +00:00
Richard Kenner
6f6547765e entered into RCS 
From-SVN: r1580
 1992-07-12 17:42:39 -04:00
Charles Hannum
2e0e2b76be *** empty log message *** 
From-SVN: r1515
 1992-07-08 10:28:26 +00:00
Richard Kenner
373666321a *** empty log message *** 
From-SVN: r1475
 1992-07-06 16:14:57 -04:00
Richard Kenner
20912ad055 *** empty log message *** 
From-SVN: r1353
 1992-06-29 22:19:44 -04:00
Richard Stallman
61b01243dd *** empty log message *** 
From-SVN: r1348
 1992-06-30 00:40:57 +00:00
Richard Kenner
197d6480b8 *** empty log message *** 
From-SVN: r1321
 1992-06-28 08:53:30 -04:00
Michael Meissner
ca3c6eae46 *** empty log message *** 
From-SVN: r1317
 1992-06-27 22:25:43 +00:00
Richard Kenner
54d234208a *** empty log message *** 
From-SVN: r1314
 1992-06-27 13:52:16 -04:00
Richard Kenner
e4600702d9 *** empty log message *** 
From-SVN: r1313
 1992-06-27 13:49:28 -04:00
Richard Stallman
051e5bbf6b *** empty log message *** 
From-SVN: r1259
 1992-06-24 03:01:33 +00:00
Richard Stallman
6dc42e49d3 *** empty log message *** 
From-SVN: r930
 1992-05-07 06:41:23 +00:00
Tom Wood
e5c90c23e2 *** empty log message *** 
From-SVN: r395
 1992-03-05 20:07:30 +00:00
Richard Stallman
4db1857482 *** empty log message *** 
From-SVN: r258
 1992-01-31 05:14:10 +00:00
Richard Kenner
a8efe40d3f *** empty log message *** 
From-SVN: r192
 1992-01-15 16:58:02 -05:00
Richard Kenner
54dac99e07 Initial revision 
From-SVN: r56
 1991-11-05 18:39:50 -05:00