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199 Commits

Author SHA1 Message Date
Richard Kenner
f0c51a1e34 (expand_function_start): Delay copying static chain. 
From-SVN: r6979
 1994-04-06 07:21:12 -04:00
Richard Kenner
e3a771613f (preserve_temp_slots): If argument is REG, see if it is address of a 
temp slot we know about.

From-SVN: r6843
 1994-03-21 17:15:32 -05:00
Richard Kenner
ccdecf58a9 (assign_parms, expand_function_start): Properly set MEM_IN_STRUCT_P 
for DECL_RTL of function result.

From-SVN: r6791
 1994-03-14 17:31:43 -05:00
Richard Kenner
63770d6ae3 (fixup_var_refs_insn): Delete CLOBBER of VAR. 
(fixup_var_refs_insn): Delete CLOBBER of VAR.  If VAR is being
assigned into by a libcall sequence, remove the libcall notes.

From-SVN: r6632
 1994-02-26 16:12:46 -05:00
Richard Kenner
e5e761396e (struct temp_slot): Add new field, ADDRESS. 
(assign_stack_temp): Initialize it to zero.
(find_temp_slot_from_address, update_temp_slot_address): New functions.
(preserve_temp_slots): Use find_temp_slot_from_address.

From-SVN: r6496
 1994-02-06 19:59:58 -05:00
Richard Kenner
3d329b07b7 (assign_parms): Call gen_realpart and gen_imagpart instead of 
gen_lowpart and gen_highpart.

From-SVN: r6379
 1994-01-10 19:36:36 -05:00
Richard Kenner
422c8f6335 (preserve_rtl_expr_result): New function. 
From-SVN: r6367
 1994-01-10 19:05:31 -05:00
Richard Kenner
83eb3b0ddb (thread_prologue_and_epilogue_insns): When constructing USE chain, set both NEXT_INSN and PREV_INSN links. 
(thread_prologue_and_epilogue_insns): When constructing USE chain, set
both NEXT_INSN and PREV_INSN links.  Also, preserve order of USE insns
in chain.

From-SVN: r6215
 1993-12-12 06:18:21 -05:00
Richard Kenner
e7a84011d2 Declare sequence_rtl_expr. 
(struct temp_slot): New field rtl_expr.
(assign_stack_temp): Set it from sequence_rtl_expr.
({free,pop}_temp_slots): Don't free any slot with nonzero rtl_expr.
(free_temps_for_rtl_expr): New function.

From-SVN: r6161
 1993-11-25 18:10:57 -05:00
Richard Kenner
980697fdbe Clean up comment formatting. 
From-SVN: r6158
 1993-11-25 10:53:19 -05:00
Richard Stallman
1be0704635 (expand_function_end): New arg END_BINDINGS. 
From-SVN: r6141
 1993-11-23 06:19:36 +00:00
Richard Stallman
c110c53d6e (assign_parms): Clear STACK_PARM when we have a 
pass-by-pointer parm that we load into a pseudo.

From-SVN: r6098
 1993-11-15 05:40:19 +00:00
Richard Kenner
e5884dacd5 (expand_function_start): If not optimizing, ensure we mark context 
display regs as live for the entire function.

From-SVN: r5995
 1993-11-04 13:29:59 -05:00
Richard Stallman
7b1a0c14e9 (assign_parms): If parmreg is a CONCAT, handle the 
case where stack_parm is 0.

From-SVN: r5940
 1993-10-30 06:04:50 +00:00
Richard Stallman
14aceb299b (assign_parms): Properly set parm_reg_stack_loc for args that are a CONCAT. 
From-SVN: r5819
 1993-10-20 03:43:31 +00:00
Richard Kenner
2849864429 (trampoline_address): Don't allocate anything from parent function's 
current obstack.

From-SVN: r5734
 1993-10-11 13:56:01 -04:00
Richard Stallman
467664666a (save_machine_status, restore_machine_status): New vars. 
(push_function_context, pop_function_context): Use them.

From-SVN: r5721
 1993-10-11 03:02:46 +00:00
Richard Kenner
4da73fa0ba (put_reg_into_stack): Allocate fixup structure in saveable obstack. 
From-SVN: r5714
 1993-10-10 17:10:48 -04:00
Richard Kenner
a14ae50814 (assign_parms): Pass objects who size depends on the contents of the 
object by invisible reference.

From-SVN: r5585
 1993-10-03 21:48:54 -04:00
Richard Kenner
0eb202977b (push_temp_slots, pop_temp_slots): Always change level. 
From-SVN: r5523
 1993-09-28 21:24:47 -04:00
Richard Stallman
ae0d828893 (expand_main_function): Put back accidentally 
deleted previous change to use NAME__MAIN.

From-SVN: r5519
 1993-09-28 23:16:09 +00:00
Doug Evans
b37f453b2a function.c: (instantiate_virtual_regs_1... 
* function.c: (instantiate_virtual_regs_1, case MEM): references to
MEM via the hard frame pointer shouldn't be copied.

From-SVN: r5456
 1993-09-24 19:42:16 +00:00
Jan Brittenson
e7a4277263 changed bytecode rtx structure references into macros 
From-SVN: r5435
 1993-09-23 10:08:13 -07:00
Jan Brittenson
c20bf1f3b3 bytecode modifications 
From-SVN: r5405
 1993-09-22 11:45:56 -07:00
Richard Stallman
e9b7093a9f (combine_temp_slots): Handle deletion properly. 
Free the RTL that is allocated.

From-SVN: r5401
 1993-09-22 18:29:43 +00:00
Jim Wilson
8634413a53 (current_function_has_nonlocal_goto): New var. 
(push_function_context): Save it.
(pop_function_context): Restore it.
(init_function_start): Init it.

From-SVN: r5336
 1993-09-15 23:12:57 -07:00
Richard Stallman
d181c15421 (aggregate_value_p): Allow type node as argument. 
From-SVN: r5328
 1993-09-15 13:39:18 +00:00
Richard Stallman
cb61f66f5b (assign_parms): When parm needs conversion on entry, 
don't store it back in the slot where it was passed.

From-SVN: r5261
 1993-09-05 20:01:32 +00:00
Jim Wilson
a45035b6ed (assign_stack_temp): When allocate a slot too large, 
split extra off into a slot of its own.
(combine_temp_slots): New function.
(free_temp_slots, pop_temp_slots): Call combine_temp_slots.

From-SVN: r5232
 1993-08-31 13:30:12 -07:00
Jim Wilson
a78bdb3850 (thread_prologue_and_epilogue_insns): For the 
epilogue, put USE insns immediately before the return insn.

From-SVN: r5142
 1993-08-12 10:45:57 -07:00
Jim Wilson
f31870c1b0 (assign_parms): Pass extra argument SIZE to move_block_from_reg calls. 
(assign_parms): Pass extra argument SIZE to
move_block_from_reg calls.
(locate_and_pad_parm): For !ARGS_GROW_DOWNWARD case, move downward
padding pad_below call after round_up call.

From-SVN: r5016
 1993-07-28 10:15:25 -07:00
Richard Stallman
19fdd3eecb (assign_parms): Don't copy too much when extending parm_reg_stack_loc. 
From-SVN: r5004
 1993-07-27 18:52:32 +00:00
Richard Stallman
293e3de41c (expand_main_function): Likewise. 
(put_reg_into_stack): New subroutine.
(put_var_into_stack): Use that; handle CONCAT.

From-SVN: r4991
 1993-07-26 20:59:21 +00:00
Richard Kenner
2a64e92d30 (aggregate_value_p): An ARRAY_TYPE is also an aggregate. 
From-SVN: r4970
 1993-07-23 07:17:40 -04:00
Richard Kenner
d9a98e1a53 (init_function_start): Initialize trampoline_list here. 
(expand_function_end): Not here.

From-SVN: r4936
 1993-07-18 14:21:41 -04:00
Richard Kenner
40d055518b (fixup_stack_1): Handle current_function_internal_arg_pointer. 
From-SVN: r4777
 1993-06-27 21:15:50 -04:00
Richard Stallman
f1b985b7e2 (uninitialized_vars_warning): Change warning text. 
(setjmp_args_warning): Likewise.

From-SVN: r4635
 1993-06-05 09:10:02 +00:00
Richard Stallman
de3ab9df04 (assign_parms): Declare and set current_call_is_indirect. 
From-SVN: r4516
 1993-05-20 05:10:30 +00:00
Richard Kenner
c51d911af1 Update copyright notice. 
From-SVN: r4362
 1993-05-06 13:10:04 -04:00
Richard Kenner
ab6155b74f (walk_fixup_memory_subreg): Add new arg UNCRITICAL. 
(fixup_var_refs_insn): Call with UNCRITICAL of 1 when processing
REG_NOTES.

From-SVN: r4360
 1993-05-06 12:58:33 -04:00
Doug Evans
0b2187a9ba (assign_parms): Use mode of type, not BLKmode. 
From-SVN: r4186
 1993-04-21 00:31:18 +00:00
Doug Evans
49640f91c6 Fix style typo. 
From-SVN: r4185
 1993-04-19 19:44:49 +00:00
Doug Evans
137a2a7b83 (assign_parms): Use new FUNCTION_ARG_CALLEE_COPIES macro. 
From-SVN: r4184
 1993-04-19 19:25:29 +00:00
Richard Kenner
c1b98a9573 Treat QUAL_UNION_TYPE like UNION_TYPE when seeing if aggregate. 
From-SVN: r4118
 1993-04-13 06:47:33 -04:00
Jim Wilson
1b8297c13f (init_function_start): Always set 
current_funtion_returns_pcc_struct if PCC_STATIC_STRUCT_RETURN defined.

From-SVN: r4031
 1993-04-06 12:28:47 -07:00
Richard Kenner
4752d3bc31 (expand_function_start): When evaluating sizes of variable types, do 
so just for side-effects (the SAVE_EXPRs).

From-SVN: r3896
 1993-03-27 13:41:59 -05:00
Richard Stallman
d1e37dc7e8 (fixup_var_refs_insns): Don't delete an insn copying 
var to itself, if it's the end of a libcall group.

From-SVN: r3873
 1993-03-25 05:43:12 +00:00
Doug Evans
461beb1055 * (assign_parms): Minor cleanup. 
From-SVN: r3776
 1993-03-18 20:27:21 +00:00
Doug Evans
682a59faae * (assign_parms): Remove unnecessary #ifdef. 
From-SVN: r3747
 1993-03-15 21:43:27 +00:00
Doug Evans
9f67be1318 * (aggregate_value_p): RETURN_IN_MEMORY handles BLKmode values. 
From-SVN: r3707
 1993-03-11 23:55:44 +00:00
Richard Kenner
02a10449e3 (fixup_var_refs_insns): If SMALL_REGISTER_CLASSES... 
(fixup_var_refs_insns): If SMALL_REGISTER_CLASSES, ensure we don't put
any insns between the setting of the function return register and it's use.

From-SVN: r3660
 1993-03-05 17:37:11 -05:00
John Hassey
9392c110eb (reposition_prologue_and_epilogue_notes): Allow 
for zero length prologue and epilogue list.

From-SVN: r3465
 1993-02-12 15:52:54 +00:00
Richard Kenner
75dc33195a (promoted_input_arg): New function. 
From-SVN: r3449
 1993-02-09 18:44:25 -05:00
Richard Kenner
e15762df9d (put_var_into_stack, fixup_var_refs_insns): Minor cleanups. 
(fixup_var_refs_1, case SET): Correctly check for simple insns that don't
need fixups.

From-SVN: r3367
 1993-01-27 13:27:18 -05:00
James Van Artsdalen
f898f03121 (fixup_var_refs_1): Set INSN_CODE to -1 before seeing if new insn form 
is recognized.

From-SVN: r3281
 1993-01-19 21:27:54 +00:00
Paul Eggert
8008b22801 # Fix misspellings in comments. 
From-SVN: r3181
 1993-01-10 20:12:31 +00:00
Richard Kenner
8c3948785b (assign_parm): Fix typo introduced by previous change. 
From-SVN: r3158
 1993-01-08 16:12:18 -05:00
Jim Wilson
ea0d4c4b6d (assign_parms): Pass NULL_RTX to INIT_CUMULATIVE_*. 
From-SVN: r3107
 1993-01-05 18:59:28 -08:00
Jim Wilson
77121feee4 (fixup_var_regs_insn): Update last_parm_insn when 
insns are output after it to fix it up.

From-SVN: r3047
 1993-01-01 16:41:53 -08:00
Jim Wilson
3412b298a2 (assign_parms): Emit conversions into a sequence, and 
then output the sequence after all parameters have been moved.

From-SVN: r3025
 1992-12-31 14:21:06 -08:00
Richard Kenner
2af69b62de (assign_outer_stack_local): Align proper frame offset. 
From-SVN: r2862
 1992-12-11 07:18:03 -05:00
Torbjorn Granlund
66bcbe1954 (locate_and_pad_parm): In ARGS_GROW_DOWNWARD case, 
don't pad to argument alignment if where_pad is downward.

From-SVN: r2614
 1992-10-26 19:38:54 +00:00
Richard Stallman
b4ff474ce0 (fixup_var_refs_insns): Don't call delete_insn if not -O. 
Make a NOTE_INSN_DELETED instead.

From-SVN: r2609
 1992-10-26 05:53:07 +00:00
Richard Stallman
4cdb3e7843 (put_var_into_stack): When we operate on a pseudo 
that holds the address, use proper modes.

From-SVN: r2552
 1992-10-22 12:04:56 +00:00
Richard Stallman
2740a6786b (find_fixup_replacement): Renamed from find_replacement. 
From-SVN: r2490
 1992-10-16 14:38:26 +00:00
Richard Stallman
a506307a2f (pop_function_context, push_function_context): 
Call {save,restore}_varasm_status.

From-SVN: r2423
 1992-10-13 05:13:01 +00:00
Richard Stallman
9d790a4f73 (aggregate_value_p): Return 1 if regs we would use are not all call-clobbered. 
From-SVN: r2384
 1992-10-09 16:59:56 +00:00
Tom Wood
587cb682de (assign_parms): Provide a safe value for 
DECL_INCOMING_RTL in case of syntax errors.

From-SVN: r2375
 1992-10-08 22:08:29 +00:00
Richard Stallman
5378192b09 (get_first_block_beg): New function. 
From-SVN: r2345
 1992-10-06 21:30:51 +00:00
Richard Kenner
a53e14c093 (assign_parms): If PROMOTE_FUNCTION_ARGS is defined, see if the incoming register should be used in a wider mode. 
(assign_parms): If PROMOTE_FUNCTION_ARGS is defined, see if the incoming
register should be used in a wider mode.
(expand_function_start): Likewise for return value if PROMOTE_FUNCTION_RETURN
is defined.

From-SVN: r2263
 1992-09-27 18:18:33 -04:00
Jim Wilson
f979c996cd (push_function_context): Save epilogue_delay_list. 
(pop_function_context): Restore epilogue_delay_list.

From-SVN: r2245
 1992-09-24 22:52:48 -07:00
Richard Stallman
2baccce2f7 (put_var_into_stack): Check REG != 0 before dereference. 
From-SVN: r2198
 1992-09-21 06:46:22 +00:00
Richard Kenner
00d8a4c187 (fixup_var_refs{,_insns}): Add new parms for promoted mode and signedness; 
all callers changed.
Insert mode conversions when required.
(fixup_var_refs_1): Add new parms for mode and signedness; handle SUBREGs
for promoted values.
(assign_parms): Promote the mode of parameters when useful for the target
machine.

From-SVN: r2175
 1992-09-19 15:47:00 -04:00
Richard Stallman
7e41ffa25c (assign_parms): Set MEM_IN_STRUCT_P right in stack slots. 
From-SVN: r2157
 1992-09-19 04:46:22 +00:00
Richard Kenner
5a73491b0f (instantiate_decl): New function. 
(instantiate_decls{,_1}): Call it.

From-SVN: r1896
 1992-08-19 08:48:39 -04:00
Jim Wilson
2654605aa7 (assign_parms): When copy arg passed by invisible 
reference to pseudo reg, don't use nominal_mode.

From-SVN: r1876
 1992-08-17 11:53:26 -07:00
Tom Wood
109140655e (contains): Return the number of insns. 
(reposition_prologue_and_epilogue_notes): Count all the prologue and
        epilogue insns.

From-SVN: r1814
 1992-08-13 20:49:10 +00:00
Jim Wilson
fc289cd166 (identify_blocks): Handle case where no block nodes exist. 
(identify_blocks): Handle case where no block nodes
exist.  Use xmalloc not alloca for block_vector.
(reorder_blocks): New argument top_block.  Handle case where no
block nodes exist.  Always clear BLOCK_SUBBLOCKS (block) when
adding it to the block tree.
(all_blocks): Handle case where vector is zero. Store current
block at offset 0 in vector, not n_blocks.  Don't count current
block twice in n_blocks.

From-SVN: r1797
 1992-08-11 12:49:26 -07:00
Richard Kenner
1b2ac43859 (identify_blocks, reorder_blocks): Don't use SET_NOTE_BLOCK_NUMBER. 
From-SVN: r1756
 1992-08-02 21:43:22 -04:00
Richard Kenner
bf52625270 (reposition_prologue_and_epilogue_notes): Search for the notes without using... 
(reposition_prologue_and_epilogue_notes): Search for the notes without
using basic_block_end[0] or basic_block_head[N-1].

From-SVN: r1735
 1992-07-31 08:18:06 -04:00
Richard Stallman
16bae307a6 (assign_parms): Use const0_rtx as DECL_RTL and as 
DECL_INCOMING_RTL if tmode of parm is void.

From-SVN: r1635
 1992-07-20 02:42:59 +00:00
Richard Kenner
0c2e838b25 (instantiate_decls{,_1}): Don't do instantiation here if the address 
is mode-dependent.

From-SVN: r1615
 1992-07-17 05:58:38 -04:00
Richard Stallman
74bd77a8c6 entered into RCS 
From-SVN: r1594
 1992-07-16 19:03:06 +00:00
Richard Stallman
467456d054 *** empty log message *** 
From-SVN: r1572
 1992-07-12 18:10:29 +00:00
Richard Stallman
a82ad57075 *** empty log message *** 
From-SVN: r1568
 1992-07-12 02:50:09 +00:00
Charles Hannum
5f4f0e2294 *** empty log message *** 
From-SVN: r1471
 1992-07-06 20:04:00 +00:00
Richard Stallman
fdbfad8438 *** empty log message *** 
From-SVN: r1425
 1992-07-04 16:59:59 +00:00
Tom Wood
bdac5f5848 *** empty log message *** 
From-SVN: r1336
 1992-06-29 16:04:35 +00:00
Jim Wilson
3e2481e914 *** empty log message *** 
From-SVN: r1250
 1992-06-23 16:45:23 -07:00
Jim Wilson
d9ca49d580 *** empty log message *** 
From-SVN: r1103
 1992-05-27 14:52:26 -07:00
Jim Wilson
29008b51e3 *** empty log message *** 
From-SVN: r1025
 1992-05-19 17:41:48 -07:00
Richard Stallman
e16c591a11 *** empty log message *** 
From-SVN: r985
 1992-05-15 05:23:58 +00:00
Richard Stallman
6dc42e49d3 *** empty log message *** 
From-SVN: r930
 1992-05-07 06:41:23 +00:00
Richard Kenner
59257ff7b8 *** empty log message *** 
From-SVN: r915
 1992-05-06 07:35:29 -04:00
Jim Wilson
6f90e075cd *** empty log message *** 
From-SVN: r905
 1992-05-05 10:27:49 -07:00
Richard Stallman
6461be142d *** empty log message *** 
From-SVN: r582
 1992-03-24 19:01:29 +00:00
Tom Wood
b335c2ccab *** empty log message *** 
From-SVN: r526
 1992-03-19 20:41:45 +00:00
Richard Kenner
86f8eff3d6 *** empty log message *** 
From-SVN: r417
 1992-03-07 18:15:24 -05:00
Richard Stallman
6f086dfc7c Initial revision 
From-SVN: r339
 1992-02-18 07:12:51 +00:00