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253 Commits

Author SHA1 Message Date
Richard Kenner
1d556704ce (expand_expr): Don't call bc_expand_expr if EXPAND_INITIALIZER. 
From-SVN: r6781
 1994-03-14 08:11:32 -05:00
Richard Kenner
153c149bec (expand_builtin, case BUILT_IN_RETURN_ADDRESS): Call tree_int_cst_sgn. 
From-SVN: r6778
 1994-03-14 05:10:47 -05:00
Doug Evans
1f584163ee (convert_move): Change name of truncsipsi to truncsipsi2 
to conform to existing convention, same with extendpsisi.

From-SVN: r6678
 1994-02-28 23:31:01 +00:00
Richard Kenner
d0c766547a (emit_move_insn): Delete unused vars. 
(emit_move_insn_1): Don't set SUBMODE unless used.
(expand_builtin, case BUILT_IN_SAVEREGS): Clean up uses of VALREG
and SAVED_VALREG.

From-SVN: r6642
 1994-02-27 10:47:10 -05:00
Richard Kenner
766f36c7cf (store_expr): In promoted TARGET case, if EXP is a volatile MEM and WANT_VALUE is nonzero, only reference the MEM once. 
(store_expr): In promoted TARGET case, if EXP is a volatile MEM and
WANT_VALUE is nonzero, only reference the MEM once.
Return TARGET if it is a hard register; clean up return code.

From-SVN: r6630
 1994-02-26 16:09:05 -05:00
Jim Wilson
8dc2fbcff4 (get_pointer_alignment): ALIGN is alignment of innermost 
object, not the MAX of alignment of all objects.

From-SVN: r6579
 1994-02-16 13:01:02 -08:00
Jim Wilson
6551fa4d72 (group_insns): Delete. 
(emit_move_insn_1, expand_expr): Use emit_no_conflict_block
instead of group_insns.

From-SVN: r6578
 1994-02-16 12:57:27 -08:00
Per Bothner
4042d44040 Use new flag TYPE_STRING_FLAG instead of STRING_TYPE. 
From-SVN: r6570
 1994-02-15 19:52:30 -08:00
Richard Kenner
79777b798c (expand_increment): Handle both BAD_SUBREG and POST. 
From-SVN: r6567
 1994-02-15 19:30:29 -05:00
Richard Kenner
98aad28669 (expand_builtin): If the builtin was called as __builtin_whatever, 
pretend we're optimizing.

From-SVN: r6529
 1994-02-11 17:35:51 -05:00
Jim Wilson
186f92ce97 (local_vars_size): Add extern to declaration. 
From-SVN: r6443
 1994-01-31 14:24:34 -08:00
Richard Kenner
127e4d19bd (do_jump_for_compare): Initialize JUMP_LABEL for the branch insn 
before trying to invert it.

From-SVN: r6418
 1994-01-23 18:56:41 -05:00
Richard Kenner
976ff203d8 (emit_move_insn_1): Call gen_realpart and gen_imagpart instead of 
gen_lowpart and gen_highpart.

From-SVN: r6378
 1994-01-10 19:35:46 -05:00
Richard Kenner
e9baa64402 (protect_from_queue): If (MEM (QUEUED ...)), modify a new MEM instead 
of the one we were passed.

From-SVN: r6375
 1994-01-10 19:23:47 -05:00
Richard Kenner
993102850b (exand_expr, case RTL_EXPR): Call new function preserve_rtl_expr_result. 
From-SVN: r6368
 1994-01-10 19:06:36 -05:00
Richard Kenner
bf500664d7 (do_tablejump): Call emit_cmp_insn with likely-constant as second 
operand.

From-SVN: r6329
 1993-12-26 18:12:37 -05:00
Richard Kenner
3207b172f7 (expand_expr, case CONSTRUCTOR): If have a target, don't build 
constructor into memory.

From-SVN: r6323
 1993-12-25 17:51:12 -05:00
Richard Kenner
307b821c36 (expand_expr... 
(expand_expr, case ARRAY_REF): Remove uses of *_type_node and simplify
folding a reference to a character in a STRING_CST.

From-SVN: r6322
 1993-12-25 13:35:27 -05:00
Jim Wilson
2bf29316da (convert_modes): Can't truncate REG with gen_lowpart if 
TRULY_NOOP_TRUNCATION doesn't allow it.

From-SVN: r6306
 1993-12-24 12:20:44 -08:00
Richard Kenner
ea87523e22 (expand_expr, case MINUS_EXPR): When expanding an initializer, use 
plus_constant as appropriate.

From-SVN: r6283
 1993-12-23 17:14:26 -05:00
Jim Wilson
5b22bee861 (expand_expr, NEGATE_EXPR case): Use subtarget in 
recursive call, not target.

From-SVN: r6271
 1993-12-22 11:35:27 -08:00
Richard Kenner
1f9becfcbe (expand_builtin): Allow __builtin_next_arg to be used in varargs 
functions.

From-SVN: r6237
 1993-12-15 18:14:13 -05:00
Richard Kenner
c3a02afeae (move_block_{to,from}_reg): Check HAVE_{load,store}_multiple value; 
don't just #idef the symbol.

From-SVN: r6192
 1993-12-06 20:55:51 -05:00
Richard Kenner
f59d43a947 (expand_expr, case PLACEHOLDER_EXPR): Remove top entry from 
PLACEHOLDER_LIST when expanding the value in it.

From-SVN: r6187
 1993-12-06 07:32:35 -05:00
Richard Kenner
ca8142590f (expand_expr, case RTL_EXPR): Call free_temps_for_rtl_expr. 
From-SVN: r6163
 1993-11-25 18:12:37 -05:00
Richard Kenner
e287fd6e75 (expand_expr, case ADDR_EXPR): Also pass const0_rtx if necessary, to avoid multiple cleanup runs. 
(expand_expr, case ADDR_EXPR): Also pass const0_rtx if necessary, to
avoid multiple cleanup runs.
(expand_expr, case WITH_CLEANUP_EXPR): Pass const0_rtx if necessary,
to keep the recursive call from running the same cleanups twice.
(expand_expr, case TARGET_EXPR): Don't try to add the cleanup if
ignore's non-zero, since we would have already done it.

From-SVN: r6155
 1993-11-24 07:02:20 -05:00
Richard Kenner
adc22a04eb (expand_expr... 
(expand_expr, case SAVE_EXPR): Properly recompute the value of
UNSIGNEDP when SAVE_EXPR_RTL is nonzero and we have promoted.

From-SVN: r6143
 1993-11-23 15:26:10 -05:00
Richard Stallman
7b073ca6c5 (expand_builtin): For sin, cos, fsqrt, alloca, ffs, strlen, 
strcpy, memcpy, strcmp, memcmp, if args are bad, use expand_call.

From-SVN: r6122
 1993-11-20 09:21:06 +00:00
Richard Kenner
bbd6cf73c6 (store_field): Convert EXP to MODE before calling store_bit_field. 
From-SVN: r6119
 1993-11-19 18:48:17 -05:00
Richard Stallman
b258707c7e (expand_expr): For TRUTH_AND_EXPR... 
(expand_expr): For TRUTH_AND_EXPR, TRUTH_OR_EXPR
and TRUTH_XOR_EXPR, if result mode doesn't match operands,
don't use subtarget.

(store_expr): Convert constants to proper mode in two places.

From-SVN: r6096
 1993-11-15 02:42:39 +00:00
Richard Stallman
034f9101fd (expand_expr): Use a smaller alignment when reading from a field 
with a variable offset.

From-SVN: r6054
 1993-11-10 21:31:41 +00:00
Richard Stallman
d78d243c9c (expand_assignment): Use a smaller alignment when storing 
into a field with a variable offset.

From-SVN: r6051
 1993-11-10 19:41:37 +00:00
Richard Stallman
e33c0d6689 (emit_move_insn_1): Push the components of a complex 
in proper order: imag part has higher address.

From-SVN: r6024
 1993-11-06 06:24:13 +00:00
Jim Wilson
0c316b201f (do_store_flag): For equality test of a single bit, use 
subtarget instead of target in calls.

From-SVN: r5956
 1993-10-31 10:33:12 -08:00
Richard Stallman
a81fee56a9 (convert_move): When extending to multi-word register 
via its low word, clobber the whole thing.

From-SVN: r5953
 1993-10-31 03:04:16 +00:00
Richard Stallman
0766f23917 (do_jump): Use do_jump_by_parts_equality for complex compares. 
From-SVN: r5938
 1993-10-30 06:03:36 +00:00
Richard Stallman
6d6e61ceba (expand_assignment): Use duplicate instead of dup as bytecode op. 
(bc_expand_expr): Likewise.
(bc_expand_constructor): Likewise.

(emit_move_insn_1): Don't call group_insns when X is a CONCAT.
(emit_move_insn_1, case CONJ_EXPR and COMPLEX_EXPR): Likewise.

From-SVN: r5916
 1993-10-27 06:39:01 +00:00
Richard Kenner
4805bfa06d (expand_expr, case PLACEHOLDER_EXPR): Fix typos. 
From-SVN: r5887
 1993-10-25 18:53:35 -04:00
Richard Stallman
46093b975f (store_field): In BLKmode case, return blk_object. 
From-SVN: r5885
 1993-10-25 21:44:05 +00:00
Richard Kenner
7c314719ba (store_constructor): Handle non-zero array lower bound. 
From-SVN: r5835
 1993-10-20 17:39:45 -04:00
Richard Kenner
f12f485a96 (do_jump_for_compare): Don't blow up if aren't any insns in this 
sequence yet.

From-SVN: r5789
 1993-10-14 00:34:07 -04:00
Richard Kenner
64791b18b8 (convert_modes): Reset OLDMODE from X after we strip a SUBREG due to a 
promoted variable.

From-SVN: r5752
 1993-10-12 15:41:52 -04:00
Richard Kenner
33a20d105c (expand_assignment): When assigning an INDIRECT_REF to a RESULT_DECL, 
the size and source rtx were swapped.

From-SVN: r5735
 1993-10-11 15:04:26 -04:00
Richard Kenner
1ad87b6329 (expand_assignment): Don't short circuit store_expr when TO is a 
VAR_DECL since it needs special handling if promoted.

From-SVN: r5712
 1993-10-10 17:06:36 -04:00
Richard Kenner
3756812583 (expand_expr, case ABS_EXPR): Don't copy twice into volatile MEM. 
From-SVN: r5698
 1993-10-09 15:19:52 -04:00
Richard Kenner
90764a87b6 (expand_expr): Never reset ORIGINAL_TARGET. 
Pass ORIGINAL_TARGET to lang_expand_expr, not TARGET.

From-SVN: r5697
 1993-10-09 15:17:01 -04:00
Richard Kenner
ee456b1c64 Undo rev 1.156 change; redundant with rev 1.155 change. 
From-SVN: r5694
 1993-10-08 19:30:27 -04:00
Richard Stallman
f0dbe37245 (expand_expr, MAX_EXPR and MIN_EXPR case): 
Don't store in TARGET twice if it's volatile.

From-SVN: r5688
 1993-10-08 22:02:44 +00:00
Richard Kenner
fc1557074c (expand_expr, case MAX_EXPR): Don't use TARGET directly if it is a 
volatile MEM.

From-SVN: r5681
 1993-10-08 11:25:24 -04:00
Richard Stallman
2dca20cd24 (expand_expr, case VAR_DECL): If decl wasn't laid out, 
lay it out now, and fix the rtl's mode.

From-SVN: r5671
 1993-10-08 04:58:24 +00:00
Richard Kenner
ba2e110c46 (convert_modes): Properly handle extending constants since we might be 
changing signedness.

From-SVN: r5623
 1993-10-05 22:17:52 -04:00
Richard Kenner
6bd6178de9 (bc_init_mode_to_opcode_maps, bc_expand_expr): Cast enum array indices to int. 
(bc_load_memory, bc_store_memory): Likewise.
(bc_runtime_type_code): Cast enum logical operand to int.

From-SVN: r5592
 1993-10-04 18:01:19 -04:00
Richard Kenner
b50d17a148 (store_expr): Use expr_size value, not size_int. 
(store_constructor): Handle case of variable position and allow it to contain
a PLACEHOLDER_EXPR.
(get_inner_reference): Make a WITH_RECORD_EXPR if required.
(expand_expr, case PLACEHOLDER_EXPR, WITH_RECORD_EXPR): New cases.
(expand_expr, case ARRAY_REF): Make WITH_RECORD_EXPR expressions when needed.

From-SVN: r5584
 1993-10-03 21:48:03 -04:00
Richard Kenner
0088fcb195 (expand_assignment, expand_expr, do_jumps): Push and pop temp slots 
around making new temp slots and freeing them.

From-SVN: r5524
 1993-09-28 21:26:23 -04:00
Jan Brittenson
de7d93205e (bc_expand_constructor): Delete cast of argument to bc_emit_instruction to HOST_WIDE_INT. 
(bc_expand_constructor): Delete cast of argument to
bc_emit_instruction to HOST_WIDE_INT. Move assignment of ptroffs to
separate line.

From-SVN: r5487
 1993-09-27 11:21:32 -07:00
Richard Stallman
673bc773d3 (expand_expr, case COND_EXPR): Set MEM_IN_STRUCT_P properly for TEMP. 
From-SVN: r5481
 1993-09-27 01:25:54 +00:00
Richard Kenner
ad92c8260e (do_store_flag): Use new macros LOAD_EXTEND_OP and WORD_REGISTER_OPERATION... 
(do_store_flag): Use new macros LOAD_EXTEND_OP and
WORD_REGISTER_OPERATION instead of BYTE_LOADS_*_EXTEND and
LOAD_EXTEND.

From-SVN: r5474
 1993-09-25 08:21:34 -04:00
Richard Stallman
eb862a3735 Fix typo in last change. 
From-SVN: r5472
 1993-09-25 12:15:25 +00:00
Jan Brittenson
e7a4277263 changed bytecode rtx structure references into macros 
From-SVN: r5435
 1993-09-23 10:08:13 -07:00
Richard Stallman
a97f5a864f (expand_increment): Don't store directly ito a subreg 
that is narrower than a word.

From-SVN: r5433
 1993-09-23 16:56:28 +00:00
Richard Stallman
a68c760860 (bc_adjust_stack): Use VALIDATE_STACK_FOR_BC, not VALIDATE_STACK. 
From-SVN: r5421
 1993-09-22 22:01:15 +00:00
Richard Stallman
5e70898cb4 (bc_strdup): Don't use strcpy's value. 
From-SVN: r5414
 1993-09-22 20:21:03 +00:00
Jan Brittenson
292b12167d fixed typo in bytecode code 
From-SVN: r5404
 1993-09-22 11:45:16 -07:00
Jan Brittenson
c02bd5d96e bytecode fixes 
From-SVN: r5402
 1993-09-22 11:33:20 -07:00
Jan Brittenson
ca695ac93d bytecode 
From-SVN: r5379
 1993-09-21 14:25:24 -07:00
Richard Stallman
2c4c436ae8 (expand_expr): Handle flag_volatile here. 
From-SVN: r5375
 1993-09-20 21:24:17 +00:00
Richard Stallman
81d79e2c7a (convert_move): Use emit_library_call_value. 
From-SVN: r5353
 1993-09-18 13:28:10 +00:00
Richard Stallman
03dc44a614 (store_constructor): Handle TREE_PURPOSE of array constructor. 
(expand_expr, ARRAY_REF case): Likewise.

From-SVN: r5315
 1993-09-13 20:16:51 +00:00
Per Bothner
d4c8913966 (expand_expr, ARRAY_REF): Coerce low_bound to sizetype. 
From-SVN: r5313
 1993-09-12 23:01:37 -07:00
Richard Stallman
3f15938e00 (protect_from_queue): Don't alter an existing MEM. 
(convert_modes): Use X's mode (not OLDMODE) unless it is VOIDmode.

From-SVN: r5311
 1993-09-12 13:19:38 +00:00
Richard Stallman
5ffe63ed99 (convert_modes): New function. 
(convert_to_mode): Use that.

From-SVN: r5297
 1993-09-09 19:51:59 +00:00
Richard Stallman
4d87de75c5 (expand_expr): Set ignore for COND_EXPR with VOID_TYPE. 
From-SVN: r5293
 1993-09-09 13:49:54 +00:00
Jim Wilson
431a6ecab3 (convert_move): When truncating, call force_reg first if 
it is something that gen_lowpart won't understand.

From-SVN: r5287
 1993-09-08 11:58:14 -07:00
Richard Kenner
904762c89e (apply_args_egister_offset): Don't use ANSI-style definition. 
From-SVN: r5214
 1993-08-26 05:58:46 -04:00
Kresten Krab Thorup
fb2ca25a9d (apply_args_register_offset): New function 
(apply_args_register_offset): New function
(apply_args_register_offset): New function
(apply_args_reg_offset): New variable
(apply_args_size): Added initialization of apply_args_reg_offset.

From-SVN: r5198
 1993-08-24 09:53:21 +00:00
Jeff Law
b4af138b01 * expr.c (expand_builtin_apply): Fix typo. 
From-SVN: r5191
 1993-08-22 21:37:09 -06:00
Richard Kenner
34a25822f3 (expand_expr, case SAVE_EXPR): Set MEM_IN_STRUCT_P appropriately when 
the result is a MEM.

From-SVN: r5159
 1993-08-13 19:26:34 -04:00
Richard Stallman
7d26fec6ad (store_expr): Don't return TEMP if it's a MEM. 
From-SVN: r5139
 1993-08-12 08:06:01 +00:00
Jim Wilson
591b15bb1c (expand_increment): Call save_expr on inner expression if 
it is itself an increment expression.

From-SVN: r5115
 1993-08-08 15:48:15 -07:00
Richard Stallman
709f5be119 (expand_assignment): If WANT_VALUE is 0, return NULL. 
(store_expr): Likewise.
Rename arg SUGGEST_REG to WANT_VALUE.
Never return TARGET if WANT_VALUE unless BLKmode.
Instead, return TEMP or a value copied from TARGET.
Pass 0 for WANT_VALUE in recursive calls that ignore value.

(expand_expr, case PLUS_EXPR): Goto binop2 not
both_summands if we should not be returning a plus.

(do_tablejump) [PIC_CASE_VECTOR_ADDRESS]: If pic,
copy INDEX to a register early, to avoid invalid address later.

From-SVN: r5108
 1993-08-08 18:54:00 +00:00
Richard Stallman
19b2fd27ea (do_tablejump): Use PIC_CASE_VECTOR_ADDRESS if defined. 
From-SVN: r5050
 1993-08-01 20:11:48 +00:00
Richard Stallman
b6f01001b1 (expand_expr, case ADDR_EXPR): Treat CONCAT like REG. 
From-SVN: r5030
 1993-07-28 18:46:31 +00:00
Jim Wilson
0040593d86 (move_block_from_reg): New argument SIZE. 
(move_block_from_reg): New argument SIZE.  If SIZE less
than word and BYTES_BIG_ENDIAN, shift block left to align it
before storing it to memory.

From-SVN: r5014
 1993-07-28 10:13:53 -07:00
Richard Stallman
c937357e3a (emit_move_insn_1): For complex stack push, don't use change_address. 
From-SVN: r4983
 1993-07-24 22:20:55 +00:00
Jim Wilson
092dded9eb (expand_expr, COMPONENT_REF case): For unaligned object 
in an aligned union, set MEM_IN_STRUCT_P if create a MEM rtx.

From-SVN: r4964
 1993-07-21 15:05:43 -07:00
Richard Stallman
a358cee0e5 (expand_increment): Convert constant subtract to add before setting single_insn. 
(expand_increment): Convert constant subtract to add
before setting single_insn.  Compensate for this when choosing
the tree code to pass to `build'.

From-SVN: r4944
 1993-07-20 06:23:58 +00:00
Jim Wilson
d57c66daa6 (convert_to_mode): Move misplaced parentheses. 
From-SVN: r4878
 1993-07-07 15:04:52 -07:00
Richard Stallman
ccc9803602 (store_field): Test STRICT_ALIGNMENT at run time. 
(expand_expr, COMPONENT_REF case): Fetch unaligned field as bitfield.

From-SVN: r4841
 1993-07-05 03:31:42 +00:00
Richard Stallman
c980ac4985 (expand_expr... 
(expand_expr, case PLUS_EXPR): In the special case
to return sym+integer as an expression, limit it to when
the non-CONST_INT arg is at least a constant.

(expand_increment): Do preinc with single insn if there's such an insn.

(store_field): Store unaligned field with bit field methods.

From-SVN: r4810
 1993-07-01 05:17:45 +00:00
Richard Kenner
e44842fede (store_constructor): Treat QUAL_UNION_TYPE just like UNION_TYPE. 
(safe_from_p, case ADDR_EXPR): EXP is safe from X it is is static or if the
object whose address is being taken is safe from X.
(expand_expr): Fix misplaced comment from last change.
(expand_expr, case *_DECL): If not already used, assemble external.
(expand_expr, case EXIT_EXPR): Simplify.
(expand_expr, TRUTH_{AND,OR}IF_EXPR): Properly handle IGNORE case.

From-SVN: r4772
 1993-06-27 18:55:11 -04:00
Richard Kenner
3319a3472f Fix typo: was ARGS_GROW_DOWNARD. 
From-SVN: r4767
 1993-06-27 18:40:04 -04:00
Richard Stallman
cd1db1088e (expand_assignment): If FROM is scalar function call, 
expand_expr FROM before TO.

From-SVN: r4759
 1993-06-26 20:45:13 +00:00
Richard Kenner
af508edd0a (do_store_flag): When computing via a shift, allow for an inner RSHIFT_EXPR in BITNUM. 
(do_store_flag): When computing via a shift, allow for an inner RSHIFT_EXPR
in BITNUM.
Sometimes do the operations as signed.

From-SVN: r4747
 1993-06-26 11:06:01 -04:00
Richard Stallman
c2e6aff601 (store_expr): If TARGET is volatile mem ref, return it. 
From-SVN: r4730
 1993-06-25 18:14:35 +00:00
Richard Kenner
dd27116b8f (expand_expr): Set IGNORE if target is const0_rtx or result type is VOID. 
Move most IGNORE processing to one place to avoid expanding things that don't
need to be expanded.
(expand_expr, case CONSTRUCTOR, case COND_EXPR): If IGNORE, don't expand
anything we don't have to.
(expand_expr, case CONVERT_EXPR): Don't deal with IGNORE here.

From-SVN: r4714
 1993-06-23 07:50:02 -04:00
Richard Stallman
2937cf8796 (expand_expr, case COND_EXPR): Fix typo; const1_rtx should 
be const0_rtx when ignoring expression.

From-SVN: r4674
 1993-06-13 18:15:58 +00:00
Richard Stallman
8c042b47af (expand_expr): Finish Tue Aug 18 23:07:33 1992 change. 
(expand_expr): Finish Tue Aug 18 23:07:33 1992 change.  It
didn't handle the target != 0 case, now it does.

From-SVN: r4561
 1993-05-24 19:26:25 +00:00
Richard Kenner
4be204f02d (expand_assignment): Fix error in last change. 
From-SVN: r4476
 1993-05-15 16:11:06 -04:00
Richard Stallman
d3652c4b7f (expand_assignment): Always return a result that has the mode of TO. 
From-SVN: r4468
 1993-05-15 13:59:45 +00:00
Richard Kenner
2abec1b739 (convert_move): Make copy of operands for REG_EQUAL note to avoid sharing RTL if called later than RTL generation... 
(convert_move): Make copy of operands for REG_EQUAL note to avoid
sharing RTL if called later than RTL generation, though probably not
called after RTL generation.

From-SVN: r4339
 1993-05-05 14:37:24 -04:00