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70 Commits

Author SHA1 Message Date
Richard Kenner
a8dd0e73ba (gen_lowpart_common): Do nothing if size is greater than twice host 
wordsize, not just if equal.

From-SVN: r8552
 1994-11-22 17:41:55 -05:00
Richard Kenner
15c9248c38 (init_emit): Set REGNO_POINTER_FLAG for HARD_FRAME_POINTER_REGNUM. 
(ptr_mode): Add definition.
(init_emit_once): Initialize ptr_mode.

From-SVN: r8548
 1994-11-22 06:28:38 -05:00
Jim Wilson
47b34d4024 (operand_subword): For CONST_DOUBLE, add case to 
handle BITS_PER_WORD of 16.

From-SVN: r8541
 1994-11-21 11:40:36 -08:00
Richard Kenner
0cf214a057 (operand_subword): Fix typo: HOST_BITS_PER_INT should be 
HOST_BITS_PER_WIDE_INT.

From-SVN: r8360
 1994-10-29 21:16:22 -04:00
Richard Earnshaw
6782074d40 (add_insn_{before,after}): Don't abort if AFTER was deleted, but not 
optiimzing

From-SVN: r8281
 1994-10-16 09:01:26 +00:00
Richard Kenner
fef0509b3d (add_insn_{after,before}): Fix error in last change. 
From-SVN: r8233
 1994-10-07 08:24:36 -04:00
Richard Kenner
ba21328576 (add_insn_{before,after}): Abort if insertion point is a deleted insn. 
From-SVN: r8193
 1994-10-01 20:34:45 -04:00
Richard Kenner
a0ae8e8de3 (add_insn_after): Abort if can't find AFTER and it has no NEXT_INSN. 
(add_insn_before): New function.
(emit_{insn,insns,jump_insn,call_insn,barrier,note}_before): Call it.

From-SVN: r8188
 1994-09-30 18:26:03 -04:00
Richard Kenner
4c9a05bc55 Cast pointer operands to bzero, bcopy, and bcmp to (char *). 
From-SVN: r7472
 1994-06-14 18:19:28 -04:00
Richard Kenner
9847c2f677 (operand_subword): Fix arg of REAL_VALUE_TO_TARGET_SINGLE and ..._DOUBLE. 
(operand_subword): Fix arg of REAL_VALUE_TO_TARGET_SINGLE and
.._DOUBLE.  Permit float subword extraction when host's word width iswider than target's.

From-SVN: r7338
 1994-05-19 16:38:15 -04:00
Mike Stump
5dab5552a1 calls.c (expand_call): Only destroy temporaries at the end of function calls, if flag_short_temps is set. 
* calls.c (expand_call): Only destroy temporaries at the end
        of function calls, if flag_short_temps is set.
        * expr.c (safe_from_p, expand_expr): Handle CLEANUP_POINT_EXPRs.
        * expr.c (expand_expr): Improve handling of temporaries inside
        COND_EXPRs, cures call to sorry.
        * expr.c (defer_cleanups_to): New routine to handle the deferral
        of cleanups.
        * flags.h (flag_short_temps): New flag, to allow better control
        over the lifetime of temporaries.
        * toplev.c (flag_short_temps, lang_options): Ditto.
        * tree.def (CLEANUP_POINT_EXPR): Add, to allow better control over
        the lifetime of temporaries.

From-SVN: r7289
 1994-05-13 00:19:57 +00:00
Richard Kenner
aff507f439 (make_call_insn_raw): New function. 
(emit_call_insn{,_before}): Use make_call_insn_raw.

From-SVN: r7238
 1994-05-06 17:45:57 -04:00
Richard Kenner
f4a3cd05d0 (try_split): Don't try to recursively split deleted insn. 
From-SVN: r7143
 1994-04-24 11:24:57 -04:00
Richard Kenner
53596fba5b Use CONST_DOUBLE_FROM_REAL_VALUE macro for immed_real_const_1. 
From-SVN: r7126
 1994-04-21 15:54:06 -04:00
Richard Kenner
04fe43855a Include <stdarg.h> instead of "gstdarg.h"; similarly for varargs. 
From-SVN: r6922
 1994-03-30 17:15:20 -05:00
Richard Kenner
e58d0b9b68 (reset_used_flags): Remove decl of unused variable. 
(gen_sequence): Remove decl of unused variable NEWVEC.

From-SVN: r6879
 1994-03-25 14:01:23 -05:00
Richard Kenner
11147ebea5 (try_split): Rename third parameter as LAST. 
(try_split): Rename third parameter as LAST.  Recursively call
try_split for each new insn created.

From-SVN: r6832
 1994-03-20 06:50:18 -05:00
Richard Kenner
65e8fe02bb (gen_lowpart_common... 
(gen_lowpart_common, gen_highpart, operand_subword): Test input
against RTX for FP, AP, and SP, not same register number.

From-SVN: r6795
 1994-03-16 09:01:34 -05:00
Richard Kenner
86be1e79df (copy_rtx_if_shared, case LABEL_REF): Can't share. 
From-SVN: r6746
 1994-03-11 08:29:57 -05:00
Jim Wilson
81284a6ad2 (subreg_realpart_p): New function. 
From-SVN: r6667
 1994-02-27 16:52:03 -08:00
Richard Kenner
4f90e4a0f7 If __STDC__, include gstdarg and use ANSI form of varargs. 
From-SVN: r6514
 1994-02-10 08:07:10 -05:00
Richard Kenner
8698cce380 (gen_lowpart_common, gen_highpart): Test *_BIG_ENDIAN with "if", not 
#if and fix one erroneous test.

From-SVN: r6479
 1994-02-04 08:14:23 -05:00
Richard Kenner
dc139c902a (gen_{real,imag}part): Extract value from CONCAT directly. 
(gen_lowpart_common, gen_highpart): Don't do it here.

From-SVN: r6377
 1994-01-10 19:32:57 -05:00
Richard Kenner
c0b178d09b (gen_reg_rtx): Only clear part of arrays we aren't going to copy into. 
From-SVN: r6324
 1993-12-25 18:00:14 -05:00
Richard Kenner
674d5d8bef (gen_lowpart_common): Return a new hard reg even if not valid in MODE 
if the input REG is not valid in its mode.

From-SVN: r6249
 1993-12-20 19:16:01 -05:00
Doug Evans
3ae243680a (start_sequence): Save current sequence_rtl_expr. 
From-SVN: r6186
 1993-12-06 10:39:58 +00:00
Richard Kenner
629a423896 (push_topmost_sequence, end_sequence): Update sequence_rtl_expr from 
sequence_stack entry.

From-SVN: r6179
 1993-12-02 07:57:13 -05:00
Richard Kenner
a25c797134 Include tree.h. 
(sequence_rtl_expr): New variable.
(save_emit_status, restore_emit_status): Save and restore it.
(init_emit): Initialize it.
(start_sequence_for_rtl_expr): New function.

From-SVN: r6162
 1993-11-25 18:11:29 -05:00
Richard Stallman
4badc528d3 (gen_highpart): If arg is function value hard reg, 
return a subreg of it (as in gen_lowpart_common).

From-SVN: r6005
 1993-11-05 06:56:12 +00:00
Ian Lance Taylor
1d445e9e5e Move in initialization of byte_mode and word_mode from rtl.c 
From-SVN: r5662
 1993-10-07 21:05:34 +00:00
Doug Evans
ac6f08b075 emit-rtl.c: (hard_frame_pointer_rtx): New variable. 
* emit-rtl.c: (hard_frame_pointer_rtx): New variable.
(gen_rtx): return hard_frame_pointer_rtx if generating rtl
for HARD_FRAME_POINTER_REGNUM.
(enit_emit_once): Generate initial rtl for hard_frame_pointer_rtx.

From-SVN: r5453
 1993-09-24 19:39:25 +00:00
Richard Stallman
8b6813aad1 (gen_label_rtx): If output_bytecode, make a CODE_LABEL 
but with different contents.

From-SVN: r5447
 1993-09-24 19:22:53 +00:00
Jan Brittenson
ca695ac93d bytecode 
From-SVN: r5379
 1993-09-21 14:25:24 -07:00
Richard Stallman
fc84e8a81c (gen_lowpart_common, gen_highpart): Handle CONCAT. 
(operand_subword): Likewise.
(gen_reg_rtx): For complex mode, return a CONCAT of two pseudos.

From-SVN: r4923
 1993-07-15 02:20:05 +00:00
Richard Kenner
457a2d9ce6 (restore_emit_status): Clear LAST_LABEL_NUM. 
From-SVN: r4775
 1993-06-27 21:10:23 -04:00
Richard Stallman
f072210714 (copy_rtx_if_shared): Don't try to copy a 0-length vector. 
From-SVN: r4774
 1993-06-28 00:41:41 +00:00
Richard Stallman
b6a524cb2a (gen_lowpart_common): Use those macros if REAL_ARITHMETIC. 
From-SVN: r4672
 1993-06-13 00:25:33 +00:00
Richard Stallman
51591ce9cc (operand_subword): Shift by (HOST_BITS_PER_WIDE_INT / 2), not by 32. 
From-SVN: r4598
 1993-05-31 00:17:54 +00:00
Richard Kenner
7677ffa441 (operand_subword): Correctly handle case when 
REAL_VALUE_TO_TARGET_DOUBLE is used on a 64-bit machine.

From-SVN: r4593
 1993-05-29 14:13:55 -04:00
Richard Kenner
2d4f57f838 (operand_subword): Reject cases when BITS_PER_WORD is greater than 
HOST_BITS_PER_INT unless OP is const0_rtx.

From-SVN: r4502
 1993-05-19 13:13:32 -04:00
Per Bothner
24d11a9af1 emit-rtl.c (init_emit): Clear sequence_stack. 
From-SVN: r3984
 1993-03-31 23:32:39 -08:00
Richard Stallman
1632afcaa7 (operand_subword): Use REAL_VALUE_TO_TARGET_SINGLE to convert to target float. 
If REAL_ARITHMETIC is defined, let real.c handle incompatible host
and target floating point bit patterns.
(init_emit_once): Add machine_mode argument to REAL_VALUE_ATOF.

From-SVN: r3938
 1993-03-31 05:48:38 +00:00
Tom Wood
f15ae3a138 (push_topmost_sequence, pop_topmost_sequence): New 
functions.

From-SVN: r3841
 1993-03-23 12:52:39 +00:00
James Van Artsdalen
5e82e7bddb (init_emit): Use INIT_EXPANDERS. 
From-SVN: r3827
 1993-03-22 07:41:33 +00:00
Richard Stallman
33d3e559c5 (init_emit_once): Initialize const_tiny_rtx for partial ints too. 
From-SVN: r3653
 1993-03-05 06:27:22 +00:00
Jim Wilson
d508ebba63 (gen_sequence): Add push_obstacks_nochange and 
pop_obstacks calls around rtl_in_saveable_obstack call.

From-SVN: r3601
 1993-03-02 12:55:53 -08:00
Brendan Kehoe
85cf32bc87 emit-rtl.c (emit_jump_insn_before): Call make_jump_insn_raw with only one argument. 
* emit-rtl.c (emit_jump_insn_before): Call make_jump_insn_raw with
	only one argument.
	(emit_jump_insn_after): Likewise.
	(emit_jump_insn): Likewise.

From-SVN: r3212
 1993-01-12 18:30:47 -05:00
Richard Kenner
b851ea098e (copy_rtx_if_shared): A CONST can be shared if it contains a 
SYBOL_REF.

From-SVN: r2923
 1992-12-27 06:52:59 -05:00
Richard Stallman
f5a2fb25ba (gen_lowpart_common): Fix typo in last change. 
From-SVN: r2496
 1992-10-17 04:33:09 +00:00
Richard Kenner
83e9c679c0 (gen_lowpart_common): Allow MODE_PARTIAL_INT where MODE_INT is 
allowed.

From-SVN: r2407
 1992-10-12 06:31:07 -04:00