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273 Commits

Author SHA1 Message Date
Richard Kenner
86fa911a16 (put_var_into_stack, assign_parms): If -fcheck-memory-usage, set the 
rights of pushed variable.

From-SVN: r14614
 1997-08-02 13:18:18 -04:00
Richard Kenner
4ac74fb88f (put_var_into_stack, trampoline_address): Treat inline_function_decl 
like current_function_decl.

From-SVN: r14539
 1997-07-27 19:34:28 -04:00
Richard Kenner
11044f6690 (expand_function_end): If function is non-leaf and stack checking is 
requested, emit needed probes.

From-SVN: r14470
 1997-07-17 11:25:54 -04:00
Mike Stump
e5a1e0e864 function.c (expand_function_end): Make sure we finish off any leftover exception handlers. 
* function.c (expand_function_end): Make sure we finish off any
	leftover exception handlers.

From-SVN: r14067
 1997-05-15 02:25:25 +00:00
Mike Stump
db3cf6fb33 reformat a little to match GNU coding standards. 
From-SVN: r14024
 1997-05-06 23:05:54 +00:00
Jason Merrill
173cd503de x 
From-SVN: r13974
 1997-04-24 02:55:16 +00:00
Jim Wilson
ce717ce4d3 (instantiate_decls): For DECL_INCOMING_RTL, use max 
of type size and mode size in instantiate_decl call.

From-SVN: r13933
 1997-04-18 15:40:55 -07:00
Jim Wilson
7b05e28661 (expand_function_start): Emit queue after expanding 
each dynamic parameter type.

From-SVN: r13835
 1997-04-03 12:26:33 -08:00
Doug Evans
82e415a358 function.c (expand_function_end): Output NOTE_REPEATED_LINE_NUMBER for last line of function. 
* function.c (expand_function_end): Output NOTE_REPEATED_LINE_NUMBER
	for last line of function.

From-SVN: r13815
 1997-03-28 22:36:31 +00:00
Ian Lance Taylor
38b610ed8e Add a REG_EQUIV note when a register parameter has a stack location 
From-SVN: r13734
 1997-03-18 20:00:01 +00:00
Jason Merrill
a1d7ffe39c x 
From-SVN: r13652
 1997-02-16 10:05:43 +00:00
Richard Kenner
1995f267b7 (assign_stack_temp): Clear MEM flags from reuse. 
From-SVN: r13623
 1997-02-09 14:05:39 -05:00
Richard Kenner
7694ce359a (instantiate_virtual_regs_1, case USE, CLOBBER): Fix error in last change. 
From-SVN: r13615
 1997-02-07 08:19:33 -05:00
Richard Kenner
189cc3779a (TRAMPOLINE_ALIGNMENT): Provide default. 
(expand_function_end): Use TRAMPOLINE_ALIGNMENT instead of FUNCTION_BOUNDARY.

From-SVN: r13567
 1997-01-30 08:57:32 -05:00
Richard Kenner
85b119d1b7 (mark_all_temps_used): Set KEEP as well. 
From-SVN: r13541
 1997-01-21 16:03:29 -05:00
Richard Kenner
4fd796bbb5 (instantiate_virtual_regs_1... 
(instantiate_virtual_regs_1, case USE, case CLOBBER): Properly handle
case of shared MEM whose replacement is not valid.

From-SVN: r13509
 1997-01-19 08:57:20 -05:00
Richard Kenner
01c1558a9c (push_function_context_to, pop_function_context_from): Save and 
restore current_function_args_info.

From-SVN: r13353
 1997-01-03 07:51:07 -05:00
Ian Lance Taylor
f95182a4a9 Check SMALL_REGISTER_CLASSES at runtime 
From-SVN: r13302
 1996-12-13 01:00:49 +00:00
Richard Kenner
ef933d2601 (fixup_var_refs_1, case ZERO_EXTRACT): Don't call fixup_memory_subreg 
if no longer SUBREG of MEM.

From-SVN: r13282
 1996-12-11 17:00:41 -05:00
Richard Kenner
8af5168bae (frame_offset, get_frame_size): Make HOST_WIDE_INT. 
From-SVN: r13243
 1996-12-07 18:49:12 -05:00
Jim Wilson
ecec444145 (expand_function_end): Handle BLKmode structures returned 
in registers.

From-SVN: r13117
 1996-11-08 17:37:54 -08:00
Richard Kenner
ddb7361a2e (assign_parms): Use mark_user_reg. 
From-SVN: r12870
 1996-09-29 19:06:08 -04:00
Jim Wilson
87ce34d632 (instantiate_decl): Always store addr back into x. 
From-SVN: r12842
 1996-09-25 12:31:31 -07:00
Richard Kenner
27ce006bb4 (mark_all_temps_used): Fix error in last change. 
From-SVN: r12672
 1996-08-26 14:08:23 -04:00
Richard Kenner
a94e4054a9 (mark_all_temps_used): New function. 
From-SVN: r12671
 1996-08-25 22:27:04 -04:00
Mike Stump
1ef08c6373 install EH code 
From-SVN: r12550
 1996-07-23 20:09:26 +00:00
Jim Wilson
e71f7aa5b5 (aggregate_value_p): If hard_function_value returns 
a non-REG, then return 0.

From-SVN: r12413
 1996-07-08 15:11:03 -07:00
Mike Stump
0f41302f47 formatting tweaks 
From-SVN: r12390
 1996-07-03 22:07:53 +00:00
Richard Kenner
abb522465e (find_temp_slot_from_address): Check for overlap from BASE_OFFSET if X 
is PLUS of virtual_stack_vars_rtx and const.

From-SVN: r12296
 1996-06-18 07:12:49 -04:00
Richard Kenner
0e09cc26ee (fixup_var_refs_1, case SIGN_EXTEND): Handle paradoxical SUBREGs as first operand. 
(fixup_var_refs_1, case SIGN_EXTEND): Handle paradoxical SUBREGs as first
operand.
(fixup_var_regs_1, case SET): Handle paradoxical SUBREGs as first operand of
a ZERO_EXTRACT in SET_DEST.

From-SVN: r12243
 1996-06-08 13:49:13 -04:00
Jim Wilson
5c4cdc9fdf (assign_parms): Handle PARALLEL parameter in ENTRY_PARM. 
From-SVN: r12191
 1996-06-06 16:13:24 -07:00
Richard Kenner
69685820b3 (assign_parms): Tighten up code that makes REG_EQUIV notes for parms. 
From-SVN: r12186
 1996-06-06 18:38:13 -04:00
Richard Kenner
9e014ded89 Include bc-emit.h. 
({save,restore}_machine_status): Add prototype for args.
(bc_runtime_type_code, bc_build_calldesc): Delete redundant decls.
(bc_emit_trampoline, bc_end_function): Likewise.

From-SVN: r12045
 1996-05-19 12:24:26 -04:00
Doug Evans
49a2e5b2f7 * function.c (aggregate_value_p): Return 1 if TREE_ADDRESSABLE. 
From-SVN: r11957
 1996-05-09 01:04:06 +00:00
Richard Kenner
a00285d035 (assign_parms): Set RTX_UNCHANGING_P in stack_parm if parm is 
read-only.

From-SVN: r11944
 1996-05-06 18:45:05 -04:00
Richard Kenner
1e2414db59 (expand_function_end): Allow TRAMPOLINE_TEMPLATE 
to be omitted on systems for which it is not cost effective.

From-SVN: r11822
 1996-04-16 16:51:20 -04:00
Richard Kenner
1651bdfef8 (push_function_context_{to,from}): Save and restore 
current_function_returns_pointer.

From-SVN: r11812
 1996-04-16 10:19:07 -04:00
Mike Stump
9cca6a99da function.c (preserve_temp_slots): Only preserve temporaries that happen to be at the current level. 
* function.c (preserve_temp_slots): Only preserve temporaries that
	happen to be at the current level.
Fixes p7325.C.

From-SVN: r11800
 1996-04-15 18:46:12 +00:00
Jeff Law
2c7ee1a641 calls.c (expand_call): Remove current_call_is_indirect nonsense. 
* calls.c (expand_call): Remove current_call_is_indirect nonsense.
	Add additional argument to INIT_CUMULATIVE_ARGS.
	(emit_library_call): Likewise.
	(emit_library_call_value): Likewise.
	* expr.c (expand_builtin): Likewise.
	* function.c (assign_parms): Likewise.
	* cp/method.c (emit_thunk): Likewise.
	* config/pa/pa.h (hppa_args): New field "indirect".
	(INIT_CUMULATIVE_ARGS): Initialize "indirect" field.
	(FUNCTION_ARG): Check "indirect" field, rather than
	"current_call_is_indirect".
	* All other backends updated with new argument to
	INIT_CUMULATIVE_ARGS

From-SVN: r11641
 1996-03-29 07:37:11 -07:00
Jason Merrill
6d7306f76e (expand_function_start): Don't set up context_display 
unless current_function_needs_context.

From-SVN: r11615
 1996-03-26 00:17:01 +00:00
Jason Merrill
38ee6ed956 (expand_expr, case *_DECL): If we make a non-local reference from a function with DECL_NO_STATIC_CHAIN set, abort. 
(expand_expr, case *_DECL): If we make a non-local
        reference from a function with DECL_NO_STATIC_CHAIN set, abort.
        (expand_expr, case ADDR_EXPR): We don't need a trampoline for a
        function with DECL_NO_STATIC_CHAIN set.

From-SVN: r11461
 1996-03-05 22:16:33 +00:00
Richard Kenner
f6127c6a4a (bc_expand_function_start): Likewise. 
From-SVN: r11412
 1996-03-04 08:40:01 -05:00
Richard Kenner
b02ab63aa4 ({,round_}trampoline_address): TRAMPOLINE_ALIGNMENT is in bits, not 
bytes.

From-SVN: r10993
 1996-01-15 14:57:49 -05:00
Richard Kenner
b55d9ff814 (assign_temp): Add extra arg, DONT_PROMOTE. 
Don't return (const_int 0) for VOIDmode.

From-SVN: r10923
 1995-12-31 21:26:06 -05:00
Richard Kenner
e1686233d2 (instantiate_decls): Check DECL_SAVED_INSNS to see if obstack change 
is needed.

From-SVN: r10915
 1995-12-31 15:03:23 -05:00
Richard Kenner
638141a689 (assign_temp): Fix formatting. 
From-SVN: r10905
 1995-12-30 06:36:58 -05:00
Per Bothner
230f21b48b function.c (assign_temp): New function. 
* function.c (assign_temp):  New function.  Can handle Chill-style
variable-sized array with static maximum size.

From-SVN: r10899
 1995-12-29 11:14:31 -08:00
Per Bothner
f9f29478ed * function.c (assign_parms): Fix thinko for struct value arg. 
From-SVN: r10897
 1995-12-29 11:05:20 -08:00
Richard Kenner
6c6166bdcb (assign_parms): Set REGNO_POINTER_ALIGN for parms that are pointers. 
From-SVN: r10868
 1995-12-27 15:22:26 -05:00
Richard Kenner
1d273bf509 (fixup_var_refs_1): Fix error in last change (when mode of VAR is not 
the same as PROMOTED_MODE).

From-SVN: r10795
 1995-12-18 07:49:21 -05:00
Richard Kenner
c46722a717 (fixup_var_refs_1): Fix two incorrect calls to single_set. 
From-SVN: r10776
 1995-12-16 06:57:01 -05:00
Richard Kenner
bc0ebdf9ee (init_temp_slots): New function. 
(init_function_start): Code moved to new function and called here.

From-SVN: r10733
 1995-12-15 08:09:24 -05:00
Mike Stump
b2a59b1589 function.c (identify_blocks): Start with a chain of BLOCKs to match the rest of the backend (dbxout.c)... 
* function.c (identify_blocks): Start with a chain of BLOCKs to
	match the rest of the backend (dbxout.c), instead of just one
	BLOCK.
	(reorder_blocks): Ditto.
	(all_blocks): Ditto.

	* stmt.c (find_loop_tree_blocks): Pass the toplevel list of
	blocks, not just the first subblock.
Fixes unroll1.C.

From-SVN: r10712
 1995-12-14 00:00:20 +00:00
Richard Kenner
926d1ca5a3 (fixup_var_refs_1): Make pseudo for DEST in PROMOTED_MODE unless in a 
SUBREG.

From-SVN: r10608
 1995-11-26 14:50:48 -05:00
Richard Kenner
0006e95bb3 (put_reg_into_stack): New arg volatile_p. 
(put_var_into_stack): Call with new arg.

From-SVN: r10579
 1995-11-12 18:09:22 -05:00
Richard Kenner
926b1b9906 (assign_parms): Don't trust the callee to copy a TREE_ADDRESSABLE 
type.

From-SVN: r10527
 1995-10-26 21:55:22 -04:00
Richard Kenner
41fd457e3e (init_function_start): Don't call init_insn_lengths here. 
From-SVN: r10483
 1995-10-20 17:57:07 -04:00
Richard Kenner
291dde90f0 (assign_stack_temp): Adjust full_size field of temp_slot when 
splitting an unused slot.

From-SVN: r10422
 1995-10-03 12:02:38 -04:00
Richard Kenner
4738c10dc6 (put_var_into_stack): For CONCAT case, order of placement depends on 
FRAME_GROWS_DOWNWARD, not STACK_GROWS_DOWNWARD.

From-SVN: r10344
 1995-09-12 18:48:36 -04:00
Richard Kenner
abc95ed36d Fix spelling errors. 
From-SVN: r10289
 1995-08-28 06:54:22 -04:00
Richard Kenner
307d8cd67d (assign_stack_temp): When split a slot, set base_offset and full_size in the newly created slot. 
(assign_stack_temp): When split a slot, set base_offset and full_size in the
newly created slot.
(combine_temp_slots): Update full_size when slots are combined.

From-SVN: r10185
 1995-07-28 09:09:22 -04:00
Richard Kenner
fc91b0d0aa (struct temp_slot): New fields base_offset, full_size. 
(assign_stack_temp): For !FRAME_GROWS_DOWNWARD, set p->size to size.
Set new fields base_offset and full_size.
(combine_temp_slots): Use new fields base_offset and full_size instead
of slot and size.

From-SVN: r10136
 1995-07-14 19:15:58 -04:00
Richard Kenner
ebb904cbbe (current_function_stdarg): New global variable. 
(push_function_context_to): Save it.
(pop_function_context_from): Restore it.
(assign_parms): Set it.
(init_function_start): Clear it.

From-SVN: r10123
 1995-07-14 08:03:09 -04:00
Richard Kenner
0cd6ef3529 (setjmp_args_warning): Remove bogus arg. 
From-SVN: r10109
 1995-07-10 19:14:25 -04:00
Richard Kenner
ad2413517b (assign_parms): Do all conversions in CONVERSION_INSNS. 
From-SVN: r9992
 1995-06-15 17:51:06 -04:00
Richard Kenner
a35311b035 Update FSF address. 
From-SVN: r9961
 1995-06-15 07:52:21 -04:00
Richard Kenner
95f2916038 (assign_parms): Use convert_to_mode instead of gen_lowpart when 
converting incoming parm.

From-SVN: r9941
 1995-06-14 05:51:51 -04:00
Richard Kenner
621061f4f3 (assign_parms): Handle promotions of both passed and nominal modes separately and insert needed conversions. 
(assign_parms): Handle promotions of both passed and nominal modes separately
and insert needed conversions.
(promoted_input_arg): Return 0 if nominal and passed modes differ.

From-SVN: r9922
 1995-06-11 13:13:53 -04:00
Richard Kenner
cd5b346969 (assign_parms): Don't call promote_mode on arg unless 
PROMOTE_FUNCTION_ARGS defined.

From-SVN: r9904
 1995-06-08 18:49:09 -04:00
Richard Kenner
9faa82d8c0 Fix typos in comments. 
From-SVN: r9712
 1995-05-16 08:39:54 -04:00
Jason Merrill
497dc802f6 (expand_function_end): Don't warn about unused 
anonymous or artificial parms.

From-SVN: r9585
 1995-05-07 10:28:12 +00:00
Richard Kenner
db8717d93b (expand_function_end): Warn about unused parms if both -Wunused and -W. 
From-SVN: r9489
 1995-04-26 17:56:19 -04:00
Richard Kenner
9dc0f53144 (assign_parms): If STACK_REGS is defined... 
(assign_parms): If STACK_REGS is defined, generate USE insns before
the function body, thus showing which registers are filled with
parameters.

From-SVN: r9461
 1995-04-25 19:08:04 -04:00
Jason Merrill
657bb6dc84 Use TREE_ADDRESSABLE rather than | TYPE_NEEDS_CONSTRUCTING to decide whether a... 
Use TREE_ADDRESSABLE rather than
|        TYPE_NEEDS_CONSTRUCTING to decide whether a parameter needs to be
|        passed by invisible reference.

From-SVN: r9420
 1995-04-20 22:26:30 +00:00
Jim Wilson
79c0672ee6 (instantiate_decls): Use temporary allocation if 
DECL_DEFER_OUTPUT is set.

From-SVN: r9394
 1995-04-17 12:23:52 -07:00
Richard Kenner
6dfc5c6de5 (preserve_temp_slots): Clear ADDR_TAKEN on item that we are 
preserving.

From-SVN: r9236
 1995-03-27 20:45:05 -05:00
Richard Kenner
49468af2d9 (pop_function_context): Fix error in last change; reference old value 
of current_function_decl before we modify it.

From-SVN: r9202
 1995-03-18 16:37:13 -05:00
Jason Merrill
a0dabda52b Handle compilation of nested functions from another scope. 
From-SVN: r9185
 1995-03-15 21:48:01 +00:00
Per Bothner
b001a02f29 Remove Feb 28's FUNCTION_NEEDS_STATIC_CHAIN changes. 
From-SVN: r9106
 1995-03-01 19:33:25 -08:00
Per Bothner
7ad8c4bf11 function.c (lookup_static_chain): Check for a static chain using FUNCTION_NEEDS_STATIC_CHAIN. 
* function.c (lookup_static_chain):  Check for a static chain
using FUNCTION_NEEDS_STATIC_CHAIN.
(init_function_start):  Set current_function_needs_context depending
on FUNCTION_NEEDS_STATIC_CHAIN rather than decl_function_context.

From-SVN: r9096
 1995-02-28 15:06:03 -08:00
Richard Kenner
64e6d9cc49 (assign_parms): Added arg to RETURN_POPS_ARGS. 
From-SVN: r9011
 1995-02-21 18:48:03 -05:00
Jim Wilson
71cd4a8d33 (delete_handlers): When clear LABEL_PRESERVE_P, 
also remove label from nonlocal_label list.

From-SVN: r8782
 1995-01-20 17:58:34 -08:00
Richard Kenner
4013a70901 (optimize_bit_field): Don't remove a SUBREG that changes mode class. 
From-SVN: r8744
 1995-01-13 18:43:36 -05:00
Jeff Law
3668e76e90 calls.c (expand_call): Set MEM_IN_STRUCT_P as needed on return value from assign_stack_temp. 
* calls.c (expand_call): Set MEM_IN_STRUCT_P as needed on return
	value from assign_stack_temp.
	(store_one_arg): Likewise.
	* expr.c (save_noncopied_parts): Likewise.
	(expand_expr): Likewise.
	* function.c (assign_parms): Likewise.
	* integrate.c (expand_inline_function): Likewise.
	* stmt.c (expand_decl): Likewise.

From-SVN: r8708
 1994-12-29 19:50:28 -07:00
Doug Evans
b1f82ccff1 (instantiate_virtual_regs_1, case PLUS): If offset is 
zero, make sure register replacement is still validated.

From-SVN: r8649
 1994-12-13 15:04:05 +00:00
Doug Evans
ea5917da8d (locate_and_pad_parm): Don't call pad_below for BLKmode parms in regs. 
From-SVN: r8645
 1994-12-12 18:14:40 +00:00
Doug Evans
d4b0a7a049 (locate_and_pad_parm): Do padding before rounding 
so pad_below knows how much is needed.

From-SVN: r8622
 1994-12-07 20:58:08 +00:00
Ian Lance Taylor
f76b9db287 Check target endianness at run time, not compile time 
From-SVN: r8470
 1994-11-16 21:10:09 +00:00
Jason Merrill
8eda074c87 (init_function_start): Use 
POINTER_TYPE_P rather than checking the type against POINTER_TYPE
        (to include references).

From-SVN: r8458
 1994-11-16 00:45:41 +00:00
Doug Evans
b2a80c0d2b (assign_stack_temp): Compute size of slot after 
assign_stack_local has accounted for alignment.

From-SVN: r8438
 1994-11-15 14:55:15 +00:00
Richard Kenner
84e24c036d (assign_stack_temp): Always initialize p->rtl_expr. 
From-SVN: r8429
 1994-11-11 18:55:49 -05:00
Richard Kenner
199b61d8f8 (preserve_rtl_expr_result): find_temp_slot_from_address now used. 
Don't bring the temp slot to an inner level than it was.

From-SVN: r8427
 1994-11-11 17:37:45 -05:00
Richard Kenner
73620b82c8 (preserve_temp_slots): Preserve anything whose address was taken when 
X is zero.

From-SVN: r8363
 1994-10-31 07:24:20 -05:00
Per Bothner
f733963397 * function.c (current_function_outgoing_args_size): Update comment. 
From-SVN: r8291
 1994-10-17 16:09:35 -07:00
Richard Kenner
e19571dbde (preserve_temp_slots): If X cannot be a temp slot, preserve all things 
whose address was taken at the present level.

From-SVN: r8238
 1994-10-07 16:13:58 -04:00
Richard Kenner
303ec2aa60 (assign_stack_temp): Abort if SIZE == -1. 
From-SVN: r8235
 1994-10-07 08:28:44 -04:00
Richard Kenner
a25d4ba2f6 (struct temp_slot): New field addr_taken. 
(assign_stack_temp): Initialize it.
(mark_temp_addr_taken): New function.
(preserve_temp_slots): Decrement level of things at same level but whose
address has been taken.

From-SVN: r8224
 1994-10-06 06:52:10 -04:00
Jason Merrill
e4a4639ef0 ontext, adds argument to indicate that the new function is not a nested function. 
ontext, adds argument to indicate that the new
        function is not a nested function.
        (push_function_context): Call it.
        (pop_function_context{,_from}): Similarly.

From-SVN: r8205
 1994-10-02 23:16:51 +00:00
Richard Kenner
e87ee2a99d (trampoline_address): Add missing call to round_trampoline. 
From-SVN: r8157
 1994-09-28 19:18:05 -04:00
Richard Kenner
b88a314292 (optimize_bit_field): Put any insns made by change_address in front of INSN. 
(expand_function_end): Don't pass DECL_INITIAL to setjmp_protect if it is
error_mark_node.

From-SVN: r8146
 1994-09-27 18:29:21 -04:00