1 2004-07-06 Jan Beulich <jbeulich@novell.com>
3 * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
4 passing arguments the containers for which are registers.
6 * calls.c (emit_library_call_value_1): Use mode of function parameter
7 rather than that of argument since constants have none.
9 2004-07-08 Alexandre Oliva <aoliva@redhat.com>
11 Introduce H8SX support.
12 * expr.c (expand_strcpy): Renamed and moved to...
13 * builtins.c (expand_movstr): ... here. Tweak.
14 (expand_builtin_strcpy): Adjust. Use movstr if len can't be
15 computed or has side effects.
16 (expand_builtin_stpcpy): Likewise. Use strcpy if return value is
17 unused, or if mempcpy fails. Adjust the return value in the
18 latter case. Use movstr if everything else fails.
19 * doc/md.texi (movstr): Document.
20 (movmemM, clrmemM): Fix explanation of memory block operands.
21 * config/h8300/h8300.md (stpcpy): Renamed to...
22 (movstr): ... this. Adjust.
23 2004-07-07 Alexandre Oliva <aoliva@redhat.com>
24 * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
25 movmem* and clrstr* to clrmem*.
26 2004-06-27 Alexandre Oliva <aoliva@redhat.com>
27 * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
29 (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
30 getting the stack pointer as addr.
31 * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
32 from general_operand_dst.
33 * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
35 (movmd_internal): ... this. Add modes to operands. Disparage `D'
36 instead of requiring it to match only before reload.
37 (stpcpy_internal_normal): New, normal-mode variant of...
38 (stpcpy_internal): ... this. Add modes to operands. Disparage
39 `D' instead of requiring it to match only before reload.
40 * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
42 * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
43 * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
45 * config/h8300/h8300.md (attr type): Add call.
46 (attr can_delay): If type is call, set it no.
47 (call, call_value): Set type to call.
48 2004-06-21 Alexandre Oliva <aoliva@redhat.com>
49 * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
50 2004-06-16 Alexandre Oliva <aoliva@redhat.com>
51 * tree.c (get_narrower): Don't narrow integral types into
53 * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
54 frame_size *before* the first use.
55 * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
57 (peephole2): Don't widen instructions that push SP. Move
58 decrement of SP to the end of all stm-generating peepholes.
59 2003-07-24 Richard Sandiford <rsandifo@redhat.com>
60 * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
61 and OR to set it to all ones.
62 2003-07-24 Richard Sandiford <rsandifo@redhat.com>
63 * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
64 (call, call_value): Set can_delay to "no".
65 2003-07-22 Richard Sandiford <rsandifo@redhat.com>
66 * config/h8300/h8300.md (extzv): Make subreg check more robust.
67 2003-07-21 Richard Sandiford <rsandifo@redhat.com>
68 * config/h8300/h8300.md (*brabit): Remove.
69 * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
70 zero_extract. Use bit_memory_operand as the predicate for
71 operand 1 and 'WU' as the constraint. Check the difference
72 between the base length and the final one when deciding which
73 type of branch to use.
74 2003-07-21 Richard Sandiford <rsandifo@redhat.com>
75 * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
76 Use convert_move to extend the result for TARGET_H8300SX. Check
77 for QImode memory references. Optimize the case where the
78 destination is a paradoxical subreg.
79 2003-07-21 Richard Sandiford <rsandifo@redhat.com>
80 * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
81 * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
82 2003-07-21 Richard Sandiford <rsandifo@redhat.com>
83 * config/h8300/h8300.md: Include mova.md
84 (length_table): Add mova and mova_zero.
85 * config/h8300/h8300.c (print_operand): Handle '%o'. Print a length
86 after all constant addresses for '%R', '%X', '%T' and '%S'.
87 (h8300_mova_length): New function.
88 (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
89 * config/h8300/t-h8300 (mova.md): Generate from genmova.sh. Add to
90 dependencies for s-config, etc.
91 * config/h8300/gemova.sh: New file.
92 * config/h8300/mova.md: Generated.
93 2003-07-20 Alexandre Oliva <aoliva@redhat.com>
94 * config/h8300/h8300.c (h8300_bitfield_length): New.
95 (nibble_operand): Adjust.
96 (h8300_binary_length): Handle conditional binary op.
97 (h8300_insn_length_from_table): Handle bitfield and bitbranch.
98 * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
99 P#<X, respectively. The original P is now IP4>X. Introduced P#>0
100 and P#<0, unused so far. W and Y are now prefixes to multi-letter
101 constraints. WU is introduced as a variant of U that requires a
102 mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
103 * config/h8300/h8300.md (attr type): Added bitbranch.
104 (attr length_table): Added bitfield and bitbranch.
105 (attr length): Compute bitbranch length.
106 (andqi): Separate pattern for H8300SX. Use bfld for loading the
107 least-significant bit of a byte.
108 (brabit, brabc, brabs): New.
109 (insv, extzv): Emit bfst and bfld on H8300SX.
110 (bfld, bfst, seq, sne): New.
111 (bstzhireg, cmpstz, bstz, bistz): New.
112 (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
113 (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
114 2003-07-11 Richard Sandiford <rsandifo@redhat.com>
115 * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
116 (h8sx_unary_memory_operator): New function.
117 * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
118 (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
119 * config/h8300/h8300.md: Add peepholes to combine reloads and
121 2003-07-10 Richard Sandiford <rsandifo@redhat.com>
122 * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
123 (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
124 (and?i, ior?i, xor?i): Likewise.
125 2003-07-10 Richard Sandiford <rsandifo@redhat.com>
126 * config/h8300/h8300.c: Move enums and prototypes to head of file.
127 Various whitespace fixes.
128 (h8300_constant_length): New function, split out from...
129 (h8300_displacement_size): ...here. Rename h8300_displacement_length.
130 (h8300_classify_operand): Use IN_RANGE.
131 (h8300_classify_operand): Use h8300_constant_length.
132 (h8300_short_move_mem_p): Tighten size check.
133 (h8sx_mergeable_memrefs_p): Tighten equality check.
134 2003-06-30 Richard Sandiford <rsandifo@redhat.com>
135 * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
137 * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
138 * config/h8300/crtn.asm: Likewise.
139 * config/h8300/lib1funcs.asm: Likewise. Use 32-bit pointers
140 if __H8300SX__ is defined.
141 2003-06-27 Richard Sandiford <rsandifo@redhat.com>
142 * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
143 * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
144 (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
145 addresses as mode-dependent.
146 * config/h8300/h8300.c (print_operand_address): Update call to
148 (h8300_get_index): Take a mode argument. Rework to fix an
149 earlier misunderstanding.
150 2003-06-26 Richard Sandiford <rsandifo@redhat.com>
151 * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
152 into a register if TARGET_H8300SX.
153 (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
154 TARGET_H8300SX. Also disable related define_splits.
155 (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
156 2003-06-23 Richard Sandiford <rsandifo@redhat.com>
157 * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
158 2003-06-20 Richard Sandiford <rsandifo@redhat.com>
159 * config/h8300/h8300.h (OK_FOR_Z): New macro.
160 (EXTRA_CONSTRAINT_STR): Check it.
161 * config/h8300/h8300.c (h8300_classify_operand): Accept null
163 (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
164 * config/h8300/h8300.md (length_table): Add mov_imm4.
165 (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
166 2003-06-20 Richard Sandiford <rsandifo@redhat.com>
167 * genattrtab.c (write_eligible_delay): Allow candidate_insn to
169 * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
170 * config/h8300/h8300.c (h8300_reorg): New function.
171 (TARGET_MACHINE_DEPENDENT_REORG): Define.
172 * config/h8300/h8300.md (length): Subtract the length of the
173 delay slot from (pc) when checking the range of forward branches.
174 (delay_slot, can_delay): New attributes.
175 (define_delay): Add bra/s handling.
176 (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
177 (jump): Add delayed-branch handling.
178 2003-06-17 Richard Sandiford <rsandifo@redhat.com>
179 * expr.c (expand_strcpy): New function.
180 * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
181 (expand_builtin_stpcpy): Likewise.
182 * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
183 (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
184 * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
185 handling to improve register allocation for -fno-omit-frame-pointer.
186 (h8sx_split_movmd): Delete, moving er6 handling into...
187 (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
188 * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
189 (movmd): Add calls to copy_rtx.
190 (movmd_internal): In the second alternative, allow the initial and
191 final destination registers to be different . Update the splitter
192 accordingly. Call h8300_swap_into_er6 and h8300_swap_out_of_er6
193 instead of h8sx_split_movmd.
194 (stpcpy, movsd): New expanders.
195 (movsd_internal): New define_insn.
196 2003-06-13 Richard Sandiford <rsandifo@redhat.com>
197 * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
198 (h8sx_emit_movmd, h8sx_split_movmd): Declare.
199 * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
200 and DESTINATION_REGS.
201 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
202 (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
203 (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
204 (h8300_move_ratio): Declare.
205 (MOVE_RATIO): Use it.
206 * config/h8300/h8300.c (h8300_move_ratio): New variable.
207 (h8300_init_once): Initialize it.
208 (h8300_reg_class_from_letter): New function.
209 (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
210 (h8sx_emit_movmd, h8sx_split_movmd): New functions.
211 * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
212 (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
213 (movstrsi, movmd): New expanders.
214 (movmd_internal): New insn.
215 2003-06-06 Richard Sandiford <rsandifo@redhat.com>
216 * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
217 2003-06-04 Richard Sandiford <rsandifo@redhat.com>
218 * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
219 * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
220 2003-06-03 Richard Sandiford <rsandifo@redhat.com>
221 * config/h8300/h8300.c (nibble_operand): Fix warning.
222 * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
223 (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
224 (movsf_h8300h): Disable for TARGET_H8300SX.
225 2003-06-03 Richard Sandiford <rsandifo@redhat.com>
226 * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
227 h8300_stm_parallel and h8300_return_parallel.
228 * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
229 h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
230 h8300_stm_parallel, h8300_return_parallel): New functions.
231 (h8300_expand_prologue): Don't enforce ldm/stm register alignment
232 if TARGET_H8300SX. Use h8300_push_pop.
233 (h8300_expand_epilogue): Likewise. Try to merge the return insn
234 and final pop when generating h8sx code. Always emit some form
236 * config/h8300/h8300.md: Don't enforce register alignment in
237 stm peepholes if TARGET_H8300SX.
238 (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
239 (ldm_h8300s_[234], stm_h8300_[234]): Disable.
240 (epilogue): Expect h8300_expand_epilogue to emit a return insn.
241 2003-06-03 Richard Sandiford <rsandifo@redhat.com>
242 * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
243 (MULTILIB_DIRNAMES): Add a directory for it.
244 (MULTILIB_MATCHES): Delete.
245 2003-05-28 Richard Sandiford <rsandifo@redhat.com>
246 * final.c (walk_alter_subreg): Handle addresses with subregs
247 inside a ZERO_EXTEND or AND.
248 * config/h8300/h8300-protos.h (h8300_get_index): Declare.
249 * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
251 (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
252 * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
253 @(dd,Rn.w) and @(dd,ERn.L).
254 (h8300_displacement_size): Take the whole address as argument.
255 (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
256 2003-05-28 Richard Sandiford <rsandifo@redhat.com>
257 * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
258 (h8sx_mergeable_memrefs_p): Declare.
259 * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
260 (HAVE_PRE_INCREMENT): Likewise.
261 (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
262 addresses for TARGET_H8300SX,
263 * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
265 (movb_length_table, movl_length_table): New tables.
266 (movw_length_table): Define to movb_length_table.
267 (h8300_displacement_size): New, split out from...
268 (h8300_classify_address): ...here. Handle pre/post inc/dec.
269 (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
270 (h8300_insn_length_from_table): Add cases for movb, movw and movl.
271 (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
272 (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
273 (compute_plussi_length, compute_plussi_cc): Update accordingly.
274 (h8sx_unary_shift_operator): Get the mode from the operator.
275 (binary_shift_operator): Likewise.
276 * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
277 a memory reference, check whether the reference is offsettable.
278 (length_table): Add movb, movw and movl.
279 (movqi): Add new h8sx pattern. Don't force one operand to be a
280 register when generating h8sx code.
281 (movhi, movsi, movsf): Likewise.
282 (movstrictqi): Use the length_table attribute.
283 (movstricthi): Likewise. Add h8sx alternative for mov.w #xx:3,Rn.
284 (addqi3): Split into a define_expand and define_insn. Don't accept
285 memory operands in the expander. Use h8300_operands_match_p to
286 check for matching operands in the define_insn.
287 (subqi3, negqi2, one_cmplqi2): Likewise.
288 (add[hs]i3): Don't accept memory operands in the expander. Likewise
289 in any patterns that are unused in h8sx code. In the h8sx patterns,
290 use h8300_operands_match_p to check whether operands match.
291 (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
292 one_cmpl[hs]i3): Likewise.
293 (andqi3, iorqi3, xorqi3): Likewise. Don't call fix_bit_operand
295 2003-05-23 Richard Sandiford <rsandifo@redhat.com>
296 * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
297 (h8300_insn_length_from_table): Add a second parameter.
298 (output_h8sx_shift): Declare.
299 * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
300 (EXTRA_CONSTRAINT): Replace with...
301 (EXTRA_CONSTRAINT_STR): ...this. Use OK_FOR_W and OK_FOR_Y.
302 (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
303 (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
304 and h8sx_binary_shift_operator.
305 * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
307 (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
308 (bit_memory_operand, fix_bit_operand): Likewise.
309 (h8300_length_table_for_insn): Remove.
310 (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
312 (h8300_short_immediate_length, h8300_binary_length): New functions.
313 (h8300_insn_length_from_table): Add an opcodes parameter. Rework.
314 (output_plussi): Use sub to add negative constants.
315 (compute_plussi_length): Adjust accordingly.
316 (h8sx_single_shift_type): New enum.
317 (h8sx_single_shift, h8sx_unary_shift_operator,
318 h8sx_binary_shift_operator, output_h8sx_shift): New functions.
319 (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
320 single h8sx instruction. Return false in this case.
321 * config/h8300/h8300.md (length_table): Add short_immediate.
322 (length): Pass the operand array to h8300_insn_length_from_table.
323 (adjust_length): Assume "no" for insns with a length_table attribute.
324 (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
325 (*addhi3_h8300hs): Don't use for h8sx.
326 (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
328 (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
329 1's predicate to nonimmediate_operand. Only skip default expansion
330 if expand_a_shift or expand_a_rotate returns true. Add new patterns
331 for single h8sx shift instructions.
332 2003-05-22 Alexandre Oliva <aoliva@redhat.com>
333 * config/h8300/h8300.c (nibble_operand): Split out of...
334 (reg_or_nibble_operand): ... this.
335 * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
336 * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
337 umulhisi3): Introduce expand, and introduce separate insns for
338 sign- or zero-extended REG and already-extended CONST_INT.
339 2003-05-20 Richard Sandiford <rsandifo@redhat.com>
340 * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
341 * config/h8300/h8300.md (subqi3): Generalize for h8sx.
342 (subhi3): Likewise. Don't accept immediates for operand 1.
343 Remove the early clobber from second alternative of the h8300s pattern.
344 (subsi3): Generalize for h8sx. Force operand 2 into a register
345 on plain h8300 targets.
346 (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
347 (subsi3_h8300h): Generalize for h8sx.
348 (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
349 2003-05-19 Alexandre Oliva <aoliva@redhat.com>
350 * config/h8300/h8300.c (reg_or_nibble_operand): New.
351 * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
352 (TARGET_H8300SXMUL): New.
353 (CONST_OK_FOR_P): New.
354 (CONST_OK_FOR_LETTER_P): Adjust.
355 * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
356 umulhisi3): Accept 4-bit immediate on H8SX.
357 (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
358 (udivsi3, divhi3, udivsi3, divsi3): New.
359 2003-05-19 Richard Sandiford <rsandifo@redhat.com>
360 * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
361 * config/h8300/h8300.h (OK_FOR_Q): New macro.
362 (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
363 (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
364 Add ADDRESSOF to the bit_operand entry.
365 * config/h8300/h8300.c (h8300_dst_operand): New predicate.
366 (h8300_src_operand): Likewise.
367 (bit_operand): Check nonimmediate_operand rather than general_operand.
368 Accept any nonimmediate_operand in h8sx code.
369 (h8300_and_costs): Initialize operands[1].
370 (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
371 (h8300_operand_class): New enum.
372 (h8300_length_table): New typedef.
373 (addb_length_table, addw_length_table, addl_length_table,
374 logicl_length_table): New tables.
375 (logicb_length_table, logicw_length_table): New macros.
376 (h8300_classify_operand, h8300_length_from_table,
377 h8300_length_table_for_insn, h8300_unary_length,
378 h8300_insn_length_from_table): New functions.
379 (output_plussi): Only use adds and subs for register destinations.
380 Disable redundant clause.
381 (compute_plussi_cc): Likewise.
382 (compute_plussi_length): Likewise. Use h8300_length_from_table
383 to work out the length of an insn.
384 (output_logical_op): Only use narrower immediate instructions
385 if the destination is a register.
386 (compute_logical_op_cc): Likewise.
387 (compute_logical_op_length): Likewise. Use h8300_length_from_table.
388 (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
389 * config/h8300/h8300.md (length_table): New attribute.
390 (length): When an instruction has a length_table attribute, use
391 h8300_insn_length_from_table to calculate its default length.
392 (cmpqi): Use h8300_dst_operand for the first operand and
393 h8300_src_operand for the second.
394 (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
395 negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
396 addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
397 iorsi3, xorhi3, xorsi3): Likewise.
398 (andqi3): Use h8300_src_operand for operand 2. Adjust the condition
399 so that it allows any combination of operands for TARGET_H8300SX.
400 (iorqi3, xorqi3): Likewise.
401 (cmpqi): Use the length_table attribute.
402 (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
403 xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
404 (cmpqi): Add 'Q' constraint.
405 (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
406 iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
407 2003-05-14 Richard Sandiford <rsandifo@redhat.com>
408 * config/h8300/h8300.h (MASK_H8300SX): New macro.
409 (TARGET_H8300S): True for both -ms and -msx.
410 (TARGET_H8300SX): New macro.
411 (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
412 * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
413 * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
414 * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
416 2003-02-28 Alexandre Oliva <aoliva@redhat.com>
417 * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
418 16-bit pointers and 32-bit ints.
419 * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
420 CONST_DOUBLE with mode no wider than SImode.
421 * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
423 2003-02-27 Alexandre Oliva <aoliva@redhat.com>
424 * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
426 * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
427 2003-02-22 Alexandre Oliva <aoliva@redhat.com>
428 * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
430 2004-05-28 Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
432 * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
434 2004-07-07 Per Bothner <per@bothner.com>
436 * flow.c (attempt_auto_inc): Remove now-redundant PUT_CODE.
438 2004-07-07 Mike Stump <mrs@apple.com>
440 * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
441 * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
442 (machopic_finish): Likewise.
444 2004-07-07 Richard Henderson <rth@redhat.com>
446 * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
447 through any value-preserving cast.
449 2004-07-07 Alexandre Oliva <aoliva@redhat.com>
451 * function.c (assign_parm_find_data_types): Call
452 FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
454 2004-07-07 Steven Bosscher <stevenb@suse.de>
456 * tree-cfg.c (group_case_labels): Remove case labels that have
457 the same target as the default case.
459 2004-07-07 Steven Bosscher <stevenb@suse.de>
461 * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
462 regardless of DECL_LANG_SPECIFIC being present or not.
463 * tree.h (DECL_NUM_STMTS): Purge.
465 2004-07-07 Andrew Pinski <apinski@apple.com>
467 * configure: Regenerate with the right autoconf.
469 2004-07-07 David Edelsohn <edelsohn@gnu.org>
471 * ifcvt.c (total_bb_rtx_cost): New function.
472 (find_if_case_1): Compare rtx_cost of basic block to cost of
474 (find_if_case_2): Same.
476 2004-07-07 Eric Botcazou <ebotcazou@libertysurf.fr>
479 * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
480 (output_return): Likewise.
481 (output_sibcall): Abort if !flag_delayed_branch.
482 (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
483 (emit_and_preserve): New function.
484 (sparc_output_mi_thunk): Use it. Honor flag_delayed_branch. Emit an
485 indirect jump to the thunked-to function if !flag_delayed_branch.
486 * config/sparc/sparc.md (delayed_branch): New attribute.
487 (load_pcrel_sym): Honor flag_delayed_branch. Use above
488 attribute to compute the length of the insn.
489 (goto_handler_and_restore): Likewise.
491 2004-07-07 Andrew Pinski <apinski@apple.com>
493 PR tree-optimization/15777
494 * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
496 * expr.c (expand_expr_real_1): Fix formating.
497 BUFFER_REF and IN_EXPR are dead.
498 * fold-const.c (non_lvalue): BUFFER_REF is dead.
499 * tree-inline.c (estimate_num_insns_1): Likewise.
500 * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
501 IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
502 * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
504 2004-07-07 H.J. Lu <hongjiu.lu@intel.com>
506 * collect2.c (dump_file): Don't call cplus_demangle if
507 HAVE_LD_DEMANGLE is defined.
508 (main): Pass "--demangle" to ld if no_demangle is not 0 and
509 HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
510 if HAVE_LD_DEMANGLE is defined.
512 * configure.ac (--with-demangler-in-ld): Added
513 (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
514 --with-demangler-in-ld is used.
515 * config.in: Regenerated.
516 * configure: Likewise.
518 2004-07-07 Roger Sayle <roger@eyesopen.com>
520 * config/rs6000/rs6000.c (struct processor_costs): Add new fields
521 for simple floating point operations "fp", double precision
522 multiplication "dmul", and single and double precision division
523 "sdiv" and "ddiv". Update all CPU variant tables as appropriate.
524 (ppc630_cost): New table split from ppc620_cost, to distinguish
525 differences in floating point latencies.
526 (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
527 (rs6000_rtx_costs): Add support for single and double precision
528 floating point addition, subtraction, multiplication, division,
529 fused-multiply-add, fused-multiply-sub, negation, absolute value
530 and negative absolute value. Tweak MEM case to use prefered idiom.
532 2004-07-07 Richard Henderson <rth@redhat.com>
534 * tree-flow-inline.h (may_propagate_copy): Move...
535 * tree-ssa-copy.c (may_propagate_copy): ... here. Fail if we
536 attempt to copy between types requiring conversion.
537 * tree-flow.h (may_propagate_copy): Update decl.
538 * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
540 2004-07-07 Jakub Jelinek <jakub@redhat.com>
542 * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
545 2004-07-07 Alexandre Oliva <aoliva@redhat.com>
547 * builtins.c: Rename movstr*, except for movstrict*, to
548 movmem* and clrstr* to clrmem*.
551 * genopinit.c: Likewise.
552 * integrate.c: Likewise.
553 * local-alloc.c: Likewise.
554 * optabs.c: Likewise.
555 * optabs.h: Likewise.
556 * config/alpha/alpha.h: Likewise.
557 * config/alpha/alpha.md: Likewise.
558 * config/arm/arm-protos.h: Likewise.
559 * config/arm/arm.c: Likewise.
560 * config/arm/arm.md: Likewise.
561 * config/avr/avr.md: Likewise.
562 * config/c4x/c4x.c: Likewise.
563 * config/c4x/c4x.md: Likewise.
564 * config/frv/frv.md: Likewise.
565 * config/i386/i386-protos.h: Likewise.
566 * config/i386/i386.c: Likewise.
567 * config/i386/i386.h: Likewise.
568 * config/i386/i386.md: Likewise.
569 * config/i860/i860.c: Likewise.
570 * config/i860/i860.md: Likewise.
571 * config/ip2k/ip2k.md: Likewise.
572 * config/ip2k/libgcc.S: Likewise.
573 * config/ip2k/t-ip2k: Likewise.
574 * config/m32r/m32r.c: Likewise.
575 * config/m32r/m32r.md: Likewise.
576 * config/mcore/mcore.md: Likewise.
577 * config/mips/mips.c: Likewise.
578 * config/mips/mips.md: Likewise.
579 * config/ns32k/ns32k.c: Likewise.
580 * config/ns32k/ns32k.h: Likewise.
581 * config/ns32k/ns32k.md: Likewise.
582 * config/pa/pa.c: Likewise.
583 * config/pa/pa.md: Likewise.
584 * config/pdp11/pdp11.h: Likewise.
585 * config/pdp11/pdp11.md: Likewise.
586 * config/rs6000/rs6000.c: Likewise.
587 * config/rs6000/rs6000.md: Likewise.
588 * config/s390/s390-protos.h: Likewise.
589 * config/s390/s390.c: Likewise.
590 * config/s390/s390.md: Likewise.
591 * config/sh/lib1funcs.asm: Likewise.
592 * config/sh/sh.c: Likewise.
593 * config/sh/sh.md: Likewise.
594 * config/sh/t-sh: Likewise.
595 * config/sparc/sparc.h: Likewise.
596 * config/vax/vax.md: Likewise.
597 * config/xtensa/xtensa.c: Likewise.
598 * config/xtensa/xtensa.md: Likewise.
599 * doc/invoke.texi: Likewise.
600 * doc/md.texi: Likewise.
601 * doc/rtl.texi: Likewise.
603 2004-07-07 Richard Sandiford <rsandifo@redhat.com>
606 * config/mips/mips-protos.h (mips_declare_common_object): Declare.
607 * config/mips/mips.c (mips_declare_common_object): New function,
608 mostly split out from...
609 (mips_output_aligned_decl_common): ...here.
610 * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
611 (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
612 * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
613 rather than ASM_OUTPUT_LOCAL. Call mips_declare_common_object.
615 2004-07-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
618 * function.c (assign_parms): Fix typo from previous change.
620 2004-07-07 Jason Merrill <jason@redhat.com>
623 * doc/extend.texi (C++ Interface): Correct information and
626 2004-07-07 Vladimir Makarov <vmakarov@redhat.com>
631 * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
634 2004-07-06 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
637 * config/m32r/m32r.c (m32r_function_symbol): New function:
638 Generate a symbol name RTX with the correct m32r specific flags
640 (block_move_call): Use new function to generate correct symbol.
641 * config/m32r/m32r-protos.h: Add prototype for new funcion.
642 * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
645 2004-07-07 Nathan Sidwell <nathan@codesourcery.com>
647 * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
648 TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
649 TYPE_BINFO_BASETYPE): Remove.
650 (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
652 (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
654 (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
655 (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
656 (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
657 (struct tree_binfo): Rename base_types to base_binfos.
658 * alias.c (record_component_aliases): Adjust BINFO macros.
659 * dbxout.c (dbxout_type): Likewise.
660 * dwarf2out.c (gen_member_die): Likewise.
661 * sdbout.c (sdbout_one_type): Likewise.
662 * tree-dump.c (deque_and_dump): Likewise.
663 * config/i386/i386.c (classify_argument,
664 contains_128bit_aligned_vector_p): Likewise.
666 2004-07-07 Nick Clifton <nickc@redhat.com>
668 * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
669 arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
671 2004-07-07 Nathan Sidwell <nathan@codesourcery.com>
673 * vec.h: Fix the example use.
675 2004-07-06 Richard Henderson <rth@redhat.com>
677 * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
678 * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
679 * tree-inline.c (copy_body_r, setup_one_parameter,
680 initialize_inlined_parameters, expand_call_inline,
681 declare_inline_vars): Don't check it.
682 (expand_calls_inline): Remove old version, rename new version
683 from gimple_expand_calls_inline.
684 * tree-optimize.c (execute_gimple): Remove.
685 (pass_gimple): Don't run anything.
687 2004-07-06 Joseph S. Myers <jsm@polyomino.org.uk>
689 * doc/sourcebuild.texi: Use semicolons instead of commas in
692 2004-07-06 Richard Henderson <rth@redhat.com>
694 * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
695 (sra_walk_modify_expr, scan_init): Likewise.
696 (generate_element_zero): Check visited before scanning children.
697 (generate_element_init): Set visited on error.
698 (scalarize_init): Handle generate_element_init failure similar
701 2004-07-06 Joseph S. Myers <jsm@polyomino.org.uk>
703 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
704 (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
706 2004-07-06 Richard Henderson <rth@redhat.com>
708 * config/i386/i386.c (legitimize_pic_address): Make static.
709 (legitimize_address): Handle CONST with TLS operand.
710 (ix86_expand_move): Don't call legitimize_pic_address directly.
711 * config/i386/i386-protos.h (legitimize_pic_address): Remove.
713 2004-07-06 Roger Sayle <roger@eyesopen.com>
715 * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
716 (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
717 (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
718 is currently executed unconditionally, i.e. not in "else_bb".
720 2004-07-06 Steven Bosscher <stevenb@suse.de>
722 * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
723 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
724 * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
725 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
726 * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
727 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
728 * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
729 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
730 * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
731 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
732 * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
733 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
734 * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
735 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
736 * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
737 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
739 2004-07-06 Daniel Berlin <dberlin@dberlin.org>
741 * dojump.c (do_jump): REFERENCE_EXPR is dead.
742 * expr.c (expand_expr_real_1): Ditto.
743 * tree-inline.c (estimate_num_insns_1): Ditto.
744 * tree-pretty-print.c (dump_generic_node): Ditto.
748 2004-07-06 Daniel Berlin <dberlin@dberlin.org>
750 * tree-ssa-pre.c (reference_node_pool): New pool.
751 (find_or_generate_expression): Class 'r' is okay too.
752 (create_value_expr_from): Ditto.
753 (add_to_sets): LHS should not include vuses.
755 (compute_avail): Reverse ordering of tests.
756 Valuize INDIRECT_REF as well.
758 2004-07-06 Richard Sandiford <rsandifo@redhat.com>
760 PR rtl-optimization/16380
761 * loop.c (check_dbra_loop): Sink comparison instructions if they
762 do something other than set cc0.
764 2004-07-06 James E Wilson <wilson@specifixinc.com>
766 * doc/interface.texi (longjmp and automatic variables): Delete
767 paragraph recommending taking the address of a variable.
769 2004-07-06 Nathan Sidwell <nathan@codesourcery.com>
771 * vec.h (VEC_embedded_alloc): Remove.
772 (VEC_embedded_size, VEC_embedded_init): New.
773 (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
776 (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
777 (vec_embedded_alloc): Remove.
778 * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
779 (vec_embedded_alloc): Remove.
781 2004-07-06 Mark Mitchell <mark@codesourcery.com>
783 * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
784 (gt-langhooks.h): Remove.
786 2004-07-06 George Helffrich <george@gly.bris.ac.uk>
788 * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
790 2004-07-06 Eric Botcazou <ebotcazou@libertysurf.fr>
792 * config/sparc/sparc.c (get_pc_symbol): Rename into
793 add_pc_to_pic_symbol.
794 (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
795 (load_pic_register): Account for previous changes.
796 Use reg_names. Don't create the label twice.
797 * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
798 UNSPEC_LOAD_PCREL_SYM.
799 (get_pc): Rename into load_pcrel_sym. Add predicate to
800 operands. Remove condition.
802 2004-07-06 Nathan Sidwell <nathan@codesourcery.com>
804 * dbxout.c (dbxout_type): Don't test whether the binfo slot of
805 RECORD, UNION & QUAL_UNION is actually a binfo.
807 * tree.h (TREE_VIA_VIRTUAL): Rename to ...
808 (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
809 (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
810 * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
811 * dwarf2out.c (add_data_member_location_attribute): Likewise.
812 (gen_inheritance_die): Likewise.
813 * tree-dump.c (deque_and_dump): Likewise.
814 * doc/c-tree.texi (Binfos): Add under reconstruction note.
816 2004-07-06 Steven Bosscher <stevenb@suse.de>
818 * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
820 * config/mcore/mcore.md: Model memory latency with a simple DFA
821 pipeline description instead of a define_function_unit.
823 2004-07-05 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
825 * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
826 * langhooks.h (var_mod_type_p): Likewise.
827 * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
828 * expr.c (count_type_elements): Properly handle return from
829 array_type_nelts and properly test for overflow.
830 * gimplify.c (gimplify_init_constructor): Properly handle return
831 from array_type_nelts.
832 (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
833 * integrate.c (copy_decl_for_inlining): Correct comments.
834 * tree-inline.c (remap_decl): Update comments, remove dead code,
835 and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
836 (remap_type): Only remap if variably modified by vars in function
838 (copy_body_r): Use compatible_type langhooks to see when can fold.
839 (setup_one_parameter): Don't remap type.
840 (inline_forbidden_p_1): Add arg to variably_modified_type_p.
841 * tree.c (recompute_tree_invarant_for_addr_expr): Properly
842 compute TREE_INVARIANT for decl case.
843 (find_var_from_fn): New function.
844 (variably_modified_type_p): Add arg and call new function.
845 * tree.h (variably_modified_type_p): Add extra arg.
847 2004-07-05 Eric Botcazou <ebotcazou@libertysurf.fr>
849 * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
850 (goto_handler_and_restore_v9): Delete disabled insn.
851 (goto_handler_and_restore_v9_sp64): Likewise.
853 2004-07-05 Roger Sayle <roger@eyesopen.com>
855 * calls.c (load_register_parameters): Call expand_shift instead
856 of expand_binop with ashl_optab (or other shift optab) directly.
857 * expr.c (emit_group_load, emit_group_store): Likewise.
858 * function.c (assign_parm_setup_block): Likewise.
859 * stmt.c (shift_return_value): Likewise.
861 2004-07-05 Jakub Jelinek <jakub@redhat.com>
863 * expr.c (expand_assignment): Disable the bitfield += optimizations.
865 2004-07-05 Joseph S. Myers <jsm@polyomino.org.uk>
867 * doc/sourcebuild.texi: Revert previous patch.
869 2004-07-05 Joseph S. Myers <jsm@polyomino.org.uk>
871 * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
872 TARGET_MEM_FUNCTIONS.
873 * system.h: Poison TARGET_MEM_FUNCTIONS.
874 * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
875 bcmp_libfunc, bzero_libfunc): Remove.
876 * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
878 * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
879 * doc/standards.texi: Don't mention calling BSD string functions.
880 * doc/invoke.texi: Likewise. Mention that memmove may be called.
881 * config/vax/t-memfuncs: New.
882 * config/memcmp.c, config/memcpy.c, config/memmove.c,
883 config/memset.c: New.
884 * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
885 * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
887 * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
888 config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
889 config/elfos.h, config/gnu.h, config/h8300/h8300.h,
890 config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
891 config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
892 config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
893 config/netbsd.h, config/openbsd.h, config/pa/pa.h,
894 config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
895 config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
896 config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
898 2004-07-05 Richard Henderson <rth@redhat.com>
900 * function.c (assign_parm_setup_reg): Properly rename variables in
901 FUNCTION_ARG_CALLEE_COPIES section.
903 2004-07-05 Zack Weinberg <zack@codesourcery.com>
905 * tree-mudflap.c: Include cgraph.h.
906 (mf_init_extern_trees): Rename to mudflap_init. Export.
907 Rewrite to create synthetic declarations instead of looking
908 up declarations from mf-runtime.h.
909 (mf_make_builtin, mf_make_cache_struct_type): New functions.
910 (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
912 (execute_mudflap_function_decls, mudflap_register_call):
913 Don't call mf_init_extern_trees.
914 (mudflap_finish_file): Use cgraph_build_static_cdtor.
916 * tree-mudflap.h: Update prototypes.
917 * c-mudflap.c: Delete file.
918 * c-common.c: Include tree-mudflap.h.
919 (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
920 * Makefile.in: Remove all references to c-mudflap.o.
923 2004-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
925 * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
926 displacements with the spatial-locality cache-control completer.
928 2004-07-05 Zack Weinberg <zack@codesourcery.com>
930 * langhooks.c: Don't include gt-langhooks.h.
931 (var_labelno): Delete.
932 (lhd_set_decl_assembler_name): Do not append a distinguishing
933 number to file-scope internal-linkage declarations for the first
934 input file, even if they have DECL_CONTEXT set. Use DECL_UID of
935 the declaration itself (if at block scope), or its containing
936 TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
939 * opts.c (cur_in_fname): New global.
940 * opts.h: Declare it.
941 * tree.c: Include opts.h.
942 (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
943 DECL_UID equal to cur_in_fname.
944 (copy_node_stat): Do not change DECL_UID when copying a
945 TRANSLATION_UNIT_DECL.
946 (build_common_tree_nodes): Adjust next_decl_uid to reserve the
947 range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
949 * c-decl.c (c_static_assembler_name): Delete.
950 * c-tree.h (c_static_assembler_name): Delete prototype.
951 * c-lang.c, objc/objc-lang.c: Don't override
952 LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
954 * Makefile.in (tree.o): Update dependencies.
955 (GTFILES): Remove langhooks.c.
957 2004-07-05 Roger Sayle <roger@eyesopen.com>
959 * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
960 by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
961 Normalize "X % C" as "X % -C" for signed modulus and negative C.
962 Optimize "X % -Y" as "X % Y" for signed modulus.
963 <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
964 into "((unsigned) X % Y) == 0".
966 2004-07-05 Joseph S. Myers <jsm@polyomino.org.uk>
968 * sourcebuild.texi (Config Fragments): Use @comma{} in
969 cross-reference to section title.
971 2004-07-05 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
973 * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
974 * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
975 (gimplify_target_expr, gimplify_expr): Likewise.
976 (copy_if_shared_r): No longer need special case for BIND_EXPR.
977 (unshare_body, unvisit_body): Only look at nested if BODY_P is
979 (gimplify_compound_lval): See if we can strip any useless conversion.
980 (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
982 (gimplify_modify_expr_to_memset): Likewise.
983 (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
984 * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
985 (declare_inline_vars): Likewise.
986 (walk_type_fields): New function.
988 * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
990 * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
991 (sra_walk_modify_expr): Allow init function to fail.
992 (scan_init): Now returns bool.
993 (generate_element_init): If can't understand INIT, return false.
994 (scalarize_init): Return false if generate_element_init does.
996 * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
999 * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
1000 bounds if bounds aren't constant.
1002 * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
1004 * function.c, langhooks-def.h, langhooks.h: Move max_size hook
1005 to type hooks; remove bogus PARAMS.
1007 2004-07-05 Nathan Sidwell <nathan@codesourcery.com>
1009 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
1010 * dwarf2out.c (add_data_member_location_attribute): Check for
1012 * tree.c (tree_node_kinds): Add "binfos".
1013 (binfo_lang_slots): New.
1014 (make_node_stat): Add TREE_BINFO.
1015 (make_tree_binfo_stat): New.
1016 (tree_node_structure): Add TREE_BINFO.
1017 * tree.def (TREE_BINFO): New.
1018 * tree.h (REC_OR_UNION_CHECK): Rename to ...
1019 (RECORD_OR_UNION_CHECK): ... here.
1020 (NOT_RECORD_OR_UNION_CHECK): New.
1021 (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
1022 (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
1023 RECORD_OR_UNION_CHECK.
1024 (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
1025 (TYPE_LANG_SLOT_1): New.
1026 (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
1027 BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
1028 BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
1029 (BINFO_ELTS): Remove.
1030 (BINFO_LANG_SLOT): New.
1031 (struct tree_binfo): New.
1032 (binfo_lang_slots): Declare.
1033 (enum tree_node_structure_enum): Add TS_BINFO.
1034 (union tree_node): Add binfo.
1035 (make_tree_binfo_stat): Declare.
1036 (make_tree_binfo): New.
1037 (enum tree_node_kind): Add binfo_kind.
1039 * objc/objc-act.c (start_class, objc_declare_protocols,
1040 start_protocols): Use TYPE_LANG_SLOT_1.
1041 * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
1043 (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
1044 (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
1045 CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
1046 PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
1048 2004-07-05 Steven Bosscher <stevenb@suse.de>
1050 * rtl.h (struct rtx_def): Remove the integrated flag.
1051 Use the return_val flag for MEM_SCALAR_P.
1052 Reshuffle and update flags in CLEAR_RTX_FLAGS.
1054 2004-07-05 Richard Sandiford <rsandifo@redhat.com>
1057 * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
1058 to mips_expand_unaligned_load, mips_expand_unaligned_store, and
1061 2004-07-05 Josef Zlomek <zlomekj@suse.cz>
1063 * var-tracking.c: Fix some comments.
1064 (frame_stack_adjust): New.
1065 (vt_stack_adjustments): Init stack_adjust of entry block to
1066 minus stack adjustment of function prologue.
1067 (adjust_stack_reference): Do not adjust if adjustment == 0.
1068 (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
1069 (emit_notes_in_bb): Likewise.
1070 (vt_add_function_parameters): Do not adjust locations of
1072 (vt_initialize): Compute the stack adjustment of function
1073 prologue and offset the initial "location" of frame_base_decl
1074 from the stack pointer after prologue.
1076 2004-07-04 Richard Henderson <rth@redhat.com>
1078 * function.c (struct assign_parm_data_all): New.
1079 (struct assign_parm_data_one): New.
1080 (assign_parms_initialize_all, assign_parms_augmented_arg_list,
1081 assign_parm_find_data_types, assign_parms_setup_varargs,
1082 assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
1083 assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
1084 assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
1085 assign_parm_setup_block, assign_parm_setup_reg,
1086 assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
1087 (assign_parms): ... here.
1089 2004-07-04 Daniel Berlin <dberlin@dberlin.org>
1091 * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
1092 now are bitmap_set_t's.
1093 (bitmap_insert_into_set): No point in inserting the value if
1095 (bitmap_set_contains): New function.
1096 (bitmap_set_replace_value): Add comment on why we do it
1098 (set_contains): Removed.
1099 (bitmap_set_subtract_from_value_set): New name of
1100 set_subtract now that it's arguments are two different
1103 (bitmap_find_leader): Change algorithm used.
1104 (find_or_generate_expression): Update use of functions for new
1106 (create_expression_by_pieces): Ditto.
1107 (insert_aux): Ditto.
1109 (add_to_sets): Ditto.
1111 (execute_pre): Ditto.
1112 (compute_avail): Ditto.
1113 Also ignore virtual phis.
1115 2004-07-04 Richard Sandiford <rsandifo@redhat.com>
1117 * combine.c (simplify_comparison): Fix comment typo.
1119 2004-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1121 * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
1122 into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
1123 (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
1124 (output_restore): Change parameter from 'insn' to 'pat'.
1125 (output_return): Adjust call to output_restore.
1126 (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
1127 Adjust call to output_restore.
1129 2004-07-04 Neil Booth <neil@duron.akihabara.co.uk>
1131 * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
1132 and assert system is bsd.
1134 2004-07-04 Richard Sandiford <rsandifo@redhat.com>
1136 * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
1137 (TARGET_SWITCHES): Remove -mdebugc.
1138 * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
1139 (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
1140 (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
1141 (sle_[sd]i_reg): Delete.
1143 2004-07-04 Steven Bosscher <stevenb@suse.de>
1145 * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
1147 * config/iq2000/iq2000.md: Translate old pipeline description to an
1150 2004-07-04 Roger Sayle <roger@eyesopen.com>
1152 * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
1153 Ensure the replacement rhs is valid gimple before performing
1154 the substitution. Return false if these sanity checks fail.
1155 (fold_stmt): Only set changed to true, if set_rhs returns true.
1156 (execute_fold_all_builtins): Only call modify_stmt if set_rhs
1159 2004-07-04 Richard Henderson <rth@redhat.com>
1162 * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
1164 2004-07-04 Mark Mitchell <mark@codesourcery.com>
1166 * configure.ac (ranlib_flags): New variable.
1167 * Makefile.in (RANLIB_FLAGS): New variable.
1168 (libbackend.a): Use it.
1169 * configure: Regenerated.
1171 2004-07-04 Roger Sayle <roger@eyesopen.com>
1173 * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
1174 a "sign mask" instead of using ashr_optab directly.
1176 2004-07-04 Neil Booth <neil@duron.akihabara.co.uk>
1178 * doc/cpp.texi: Don't document what we do for ill-formed expressions.
1179 * doc/cppopts.texi: Clarify processing of command-line defines.
1181 2004-07-04 Gerald Pfeifer <gerald@pfeifer.com>
1183 * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
1185 2004-07-04 Richard Henderson <rth@redhat.com>
1187 * rtl.def (ADDRESSOF): Remove.
1188 * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
1189 (find_base_term, memrefs_conflict_p): Likewise.
1190 * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
1191 (fold_rtx, cse_insn, set_live_p): Likewise.
1192 * dwarf2out.c (mem_loc_descriptor): Likewise.
1193 (add_location_or_const_value_attribute): Likewise.
1194 * emit-rtl.c (copy_insn_1): Likewise.
1195 * explow.c (memory_address): Likewise.
1196 * expmed.c (store_split_bit_field): Likewise.
1197 * expr.c (expand_expr_real_1): Likewise.
1198 * function.c (instantiate_decl
1199 (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
1200 * genrecog.c (preds, validate_pattern): Likewise.
1201 * integrate.c (copy_rtx_and_substitute): Likewise.
1202 * recog.c (general_operand, register_operand): Likewise.
1203 (memory_address_p): Likwise.
1204 * reload1.c (eliminate_regs, elimination_effects): Likewise.
1205 * rtl.c (copy_rtx): Likewise.
1206 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
1207 (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
1208 * rtlhooks.c (gen_lowpart_general): Likewise.
1209 * stmt.c (expand_asm_operands): Likewise.
1210 * web.c (entry_register, replace_ref, web_main): Likewise.
1211 * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
1212 alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1213 * config/arm/arm.c (thumb_rtx_costs): Likewise.
1214 * config/c4x/c4x.c (c4x_valid_operands): Likewise.
1215 * config/frv/frv.c (move_destination_operand, move_source_operand,
1216 condexec_dest_operand, condexec_source_operand,
1217 condexec_memory_operand): Likewise.
1218 * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
1219 * config/ia64/ia64.c (general_xfmode_operand): Likewise.
1220 (destination_xfmode_operand): Likewise.
1221 * config/mips/mips.h (PREDICATE_CODES): Likewise.
1222 * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
1223 * config/s390/s390.c (general_s_operand): Likewise.
1224 * config/s390/s390.md (mov*): Likewise.
1225 * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
1227 * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
1228 * expr.c (expand_expr_real_1): Likewise.
1229 * stmt.c (expand_decl): Likewise.
1230 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1232 * function.c (struct fixup_replacement, struct insns_for_mem_entry,
1233 postponed_insns, put_var_into_stack, put_reg_into_stack,
1234 schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
1235 fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
1236 fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
1237 walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
1238 gen_mem_addressof, flush_addressof, put_addressof_into_stack,
1239 purge_bitfield_addressof_replacements, purge_addressof_replacements,
1240 purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
1241 struct insns_for_mem_walk_info, insns_for_mem_walk,
1242 compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
1243 setjmp_protect_args): Remove.
1244 (push_function_context_to): Don't handle var_refs_queue.
1245 (pop_function_context_from, free_after_compilation): Likewise.
1246 (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
1247 (assign_parms, allocate_struct_function): Likewise.
1248 (use_register_for_decl): New.
1249 (expand_function_end): Don't setjmp_protect.
1250 * function.h (struct emit_status): Update commentary.
1251 (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
1252 (max_parm_reg, parm_reg_stack_loc): Remove.
1253 * passes.c (DFI_addressof): Remove.
1254 (dump_file_info): Remove addressof.
1255 (rest_of_handle_addressof): Remove.
1256 (rest_of_compilation): Don't call it.
1257 * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
1258 * stmt.c (expand_decl): Use use_register_for_decl.
1259 * tree.h: Update decls.
1260 * web.c (mark_addressof): Remove.
1261 * doc/invoke.texi (-dF): Remove.
1263 2004-07-03 Richard Henderson <rth@redhat.com>
1265 * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
1266 instead of gen_mem_addressof.
1267 * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
1268 TImode output register.
1270 2004-07-03 Richard Henderson <rth@redhat.com>
1272 PR tree-optimization/16341
1273 * tree-sra.c (sra_walk_function): Increment to next stmt before
1274 processing the current stmt.
1275 (sra_insert_after): Always use BSI_SAME_STMT.
1277 2004-07-03 Richard Henderson <rth@redhat.com>
1279 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
1282 2004-07-03 Joseph S. Myers <jsm@polyomino.org.uk>
1284 * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
1285 with tree_int_cst_equal.
1287 2004-07-03 Andreas Schwab <schwab@suse.de>
1289 * config/ia64/ia64.md: Define new attribute "empty".
1290 (prologue_use, nop_x, insn_group_barrier): Set it.
1292 * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
1293 skip over "empty" insns.
1295 2004-07-03 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1297 * tree-inline.c (initialize_inlined_parameters): Pass proper function
1298 context to gimplify_body.
1299 (walk_tree): Don't walk into types twice.
1300 (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
1302 * tree-sra.c (generate_element_init): Remove any useless conversions.
1304 * gimplify.c (gimplify_conversion): Remove stripping useless
1305 conversions from here.
1306 (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
1307 (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
1308 Unshare before substituting PLACEHOLDER_EXPR.
1309 (gimplify_modify_expr_to_memset): Likewise.
1310 Pass address of TO to memset, not TO itself.
1311 (gimplify_init_constructor): Make copy of OBJECT so we have it each
1312 time we make an expression (to match a PLACEHOLDER_EXPR).
1314 * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
1315 VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
1316 * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
1317 * tree-ssa-dom.c (local_fold): Likewise.
1319 * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
1320 * langhooks.h (strct lang_hooks): New field type_max_size.
1321 * function.c (assign_temp): Call it.
1323 2004-07-03 Steven Bosscher <stevenb@suse.de>
1325 * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
1326 * config/sh/sh.md: Convert the SH1 pipeline description to
1329 2004-07-02 Zack Weinberg <zack@codesourcery.com>
1331 * c-decl.c (struct c_binding): Remove contour field; add
1332 depth, invisible, nested fields.
1333 (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
1334 (B_IN_EXTERNAL_SCOPE): New convenience macros.
1335 (bind): Add invisible and nested arguments. Initialize
1336 new fields of struct c_binding; adjust loop scanning for
1338 (free_binding_and_advance): Clear structure with memset.
1339 (pop_scope): Adjust to match. Set DECL_CONTEXT on everything
1340 in file scope, even if it's in external scope too.
1341 (pushdecl): Adjust to match. Create invisible file-scope
1342 declarations for block-scope forward declarations of static functions.
1343 (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
1344 (undeclared_variable, lookup_label, declare_label, define_label)
1345 (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
1346 (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
1347 (store_parm_decls_oldstyle): Adjust to match.
1348 (diagnose_mismatched_decls): Correct handling of linkage clashes.
1349 (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
1351 * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
1352 (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
1354 2004-07-02 Richard Henderson <rth@redhat.com>
1356 * c-decl.c (grokdeclarator): Don't frob current_function_decl
1357 around variable_size.
1358 (set_decl_nonlocal): Remove.
1359 (store_parm_decls): Add stmts for pending sizes.
1360 * calls.c (calls_function, calls_function_1): Remove.
1361 (precompute_arguments): Don't call it.
1362 * cfgexpand.c (set_save_expr_context): Remove.
1363 (tree_expand_cfg): Don't call it.
1364 * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
1365 (dwarf2out_finish): Likewise.
1366 * expr.c (emit_block_move): Adjust addresses to BLKmode.
1367 (store_constructor): Don't pre-evaluate SAVE_EXPR.
1368 (safe_from_p): Don't queue SAVE_EXPRs.
1369 (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
1370 or build plain VAR_DECLs.
1371 * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
1373 (fold_checksum_tree): Don't special-case SAVE_EXPR.
1374 * function.c (free_after_compilation): Don't clear x_save_expr_regs.
1375 (put_var_into_stack): Don't handle SAVE_EXPR.
1376 (gen_mem_addressof): Likewise.
1377 * function.h (struct function): Remove x_save_expr_regs.
1378 (save_expr_regs): Remove.
1379 * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
1380 * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
1381 * stor-layout.c (variable_size): Don't set it.
1382 (force_type_save_exprs, force_type_save_exprs_1): Remove.
1383 * tree-inline.c (remap_save_expr): Remove fn argument. Update
1384 all callers. Don't set SAVE_EXPR_CONTEXT.
1385 * tree-inline.h (remap_save_expr): Update decl.
1386 * tree.c (save_expr): Update build size.
1387 (first_rtl_op): Don't handle SAVE_EXPR.
1388 (unsave_expr_1, contains_placeholder_p): Likewise.
1389 (decl_function_context): Likewise.
1390 * tree.def (SAVE_EXPR): Remove args 1 and 2.
1391 * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
1392 (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
1394 2004-07-03 Joseph S. Myers <jsm@polyomino.org.uk>
1396 * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
1397 doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
1398 doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
1399 doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
1400 some first-person references and patronizing comments. Based on
1402 * doc/invoke.texi: Don't reference fortran@gnu.org.
1403 * doc/trouble.texi (Warning when a non-void function value is
1404 ignored): Rewrite. From Russ Allbery and Chris Devers.
1406 2004-07-02 Daniel Berlin <dberlin@dberlin.org)
1408 * tree-ssa-pre.c (bitmap_set_t): New.
1409 (bb_value_sets): avail_out is now a bitmap_set_t.
1410 (bitmap_find_leader): New function.
1411 (bitmap_value_insert_into_set): Ditto.
1412 (bitmap_set_copy): Ditto.
1413 (bitmap_value_replace_in_set): Ditto.
1414 (bitmap_set_contains_value): Ditto.
1415 (bitmap_set_new): Ditto.
1416 (bitmap_set_pool): New pool.
1417 (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
1418 (insert_aux): Ditto.
1419 (add_to_sets): Ditto.
1420 (compute_avail): Ditto
1424 (execute_pre): Ditto.
1426 2004-07-02 Roger Sayle <roger@eyesopen.com>
1428 * config/rs6000/rs6000.c (struct processor_costs): New structure
1429 used to hold instruction latencies/sizes for processor types.
1430 (rs6000_cost): New global variable pointing to current CPU's costs.
1431 (rs6000_override_options): Initialize rs6000_cost to point to the
1432 appropriate cost table based upon rs6000_cpu and optimize_size.
1433 (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
1436 2004-07-02 Richard Henderson <rth@redhat.com>
1438 * expmed.c (make_tree): Don't use SET_DECL_RTL.
1440 2004-07-02 Steven Bosscher <stevenb@suse.de>
1442 * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
1444 2004-07-01 Richard Henderson <rth@redhat.com>
1446 * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
1447 (alpha_gp_save_rtx): Use assign_stack_local instead of
1450 2004-07-01 Richard Henderson <rth@redhat.com>
1452 * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
1453 (alpha_rtx_cost_data): Update to match.
1454 (alpha_rtx_cost_size): New.
1455 (alpha_rtx_costs): Honor optimize_size.
1457 2004-07-01 Richard Henderson <rth@redhat.com>
1459 * gimple-low.c (lower_function_body): Don't reset_block_changes here.
1460 * cfgexpand.c (tree_expand_cfg): Do it here.
1461 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
1462 * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
1463 * config/mips/mips.c (mips_output_mi_thunk): And here.
1464 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
1465 * config/sh/sh.c (sh_output_mi_thunk): And here.
1466 * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
1468 2004-07-01 Richard Henderson <rth@redhat.com>
1470 * tree.def (RTL_EXPR): Remove.
1471 * c-typeck.c (lvalue_p): Don't handle it.
1472 * expr.c (safe_from_p): Likewise.
1473 (expand_expr_real_1): Likewise.
1474 * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
1475 (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
1476 * gengtype.c (adjust_field_tree_exp): Likewise.
1477 * stmt.c (warn_if_unused_value): Likewise.
1478 * tree-gimple.c (recalculate_side_effects): Likewise.
1479 * tree-pretty-print.c (dump_generic_node): Likewise.
1480 * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
1481 (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
1482 * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
1484 * stmt.c (struct stmt_status): Remove x_last_expr_type,
1485 x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
1486 (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
1487 (expand_expr_stmt): Merge with expand_expr_stmt_value. Remove
1488 all the bits that tracked last_expr.
1489 (expand_end_bindings): Don't track last_expr.
1490 (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
1491 (clear_last_expr): Remove.
1492 (expand_asm): Don't call it.
1493 (expand_asm_operands, expand_end_cond): Likewise.
1494 (expand_naked_return, expand_null_return_1): Likewise.
1495 * c-typeck.c (c_begin_compound_stmt): Likewise.
1496 * cfgexpand.c (expand_block): Use expand_expr_stmt.
1497 * expr.c (expand_expr_real_1): Likewise.
1498 * tree.h: Update prototypes.
1500 * function.h (struct sequence_stack): Remove sequence_rtl_expr.
1501 (struct emit_status): Remove sequence_rtl_expr.
1502 (struct function): Remove x_rtl_expr_chain.
1503 (seq_rtl_expr, rtl_expr_chain): Remove.
1504 * function.c (struct temp_slot): Remove rtl_expr.
1505 (assign_stack_temp_for_type): Don't set it.
1506 (free_temp_slots, pop_temp_slots): Don't check it.
1507 (free_after_compilation): Don't clear x_rtl_expr_chain.
1508 (fixup_var_refs): Don't search it.
1509 (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
1510 * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
1512 (push_topmost_sequence): Likewise.
1513 (end_sequence, init_emit): Likewise.
1514 (start_sequence_for_rtl_expr): Remove.
1515 * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
1516 * rtl.h (preserve_rtl_expr_result): Remove.
1518 2004-07-02 Kazu Hirata <kazu@cs.umass.edu>
1520 * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
1521 tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
1524 2004-07-02 Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1526 * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
1527 (STANDARD_STARTFILE_PREFIX_2): Define.
1528 (standard_startfile_prefix_1): Initialize to
1529 STANDARD_STARTFILE_PREFIX_1.
1530 (standard_startfile_prefix_2): Initialize to
1531 STANDARD_STARTFILE_PREFIX_2.
1532 * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
1533 (STANDARD_STARTFILE_PREFIX_1): Define.
1534 (STANDARD_STARTFILE_PREFIX_2): Define.
1535 * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
1536 (STANDARD_STARTFILE_PREFIX_2): Document.
1538 2004-07-01 Richard Henderson <rth@redhat.com>
1540 * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
1541 in order to disable scalarization. Instead set a flag and wait
1542 for a candidate decl.
1544 2004-07-01 Joseph S. Myers <jsm@polyomino.org.uk>
1546 * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
1547 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
1548 Use terminology "testsuite" and "enumerated".
1550 2004-07-01 Richard Henderson <rth@redhat.com>
1552 * dwarf2out.c (reg_save): Use INVALID_REGNUM.
1553 (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
1554 (initial_return_save): Likewise.
1555 (flush_queued_reg_saves): Remap register numbers.
1556 (dwarf2out_return_reg): Likewise.
1558 2004-07-01 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1560 * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
1562 * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
1563 access functions for lower bound and element size and only output
1564 if lower bound nonzero or element size not same as that of type.
1565 (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
1567 2004-07-01 Paolo Bonzini <bonzini@gnu.org>
1569 * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
1571 2004-07-01 Per Bothner <per@bothner.com>
1573 * final.c (final): Fix typo reported by Aaron W. LaFramboise.
1575 2004-07-01 Jakub Jelinek <jakub@redhat.com>
1577 * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
1578 bitfields as well. STRIP_NOPS from src operand and PLUS_EXPR's
1579 first operand. Don't optimize if the bitfield is volatile.
1581 2004-07-01 Paolo Bonzini <bonzini@gnu.org>
1583 * c-pretty-print.c (pp_c_postfix_expression): Handle
1584 floating-point comparison operators.
1585 (pp_c_expression): Pass floating-point comparison
1586 operators to pp_c_postfix_expression.
1588 2004-07-01 Roger Sayle <roger@eyesopen.com>
1590 * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
1591 rtx_cost instead of "had_mult" to determine whether the transformed
1592 expression is cheaper than the original.
1594 2004-07-01 Jerry Quinn <jlquinn@optonline.net>
1596 * alias.c (get_alias_set, canon_rtx, get_addr,
1597 nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
1599 * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
1600 expand_builtin): Likewise.
1601 * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
1603 * combine.c (can_combine_p, combinable_i3pat, try_combine,
1604 find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
1605 rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
1606 record_dead_and_set_regs_1, get_last_value_validate,
1607 mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
1608 * cse.c (check_dependence, canon_hash, equiv_constant,
1609 gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
1610 cse_around_loop, cse_check_loop_start, cse_set_around_loop,
1611 count_reg_usage): Likewise.
1612 * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
1613 cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
1614 cselib_record_sets): Likewise.
1615 * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
1616 dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
1617 * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
1618 * df.c (df_uses_record): Likewise.
1619 * dojump (do_jump): Likewise.
1620 * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
1621 loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
1622 decl_start_label): Likewise.
1623 * emit-rtl.c (gen_complex_constant_part, gen_highpart,
1624 operand_subword, change_address_1, make_safe_from): Likewise.
1625 * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
1626 stabilize, force_not_mem): Likewise.
1627 * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
1628 expand_mult_const, expand_divmod, emit_store_flag): Likewise.
1629 * expr.c (convert_move, convert_modes, emit_block_move,
1630 emit_group_load, emit_group_store, clear_storage, emit_move_insn,
1631 emit_move_insn_1, expand_assignment, store_expr,
1632 store_constructor_field, store_constructor, store_field,
1633 force_operand, safe_from_p, expand_expr_real_1, expand_increment):
1635 * final.c (cleanup_subreg_operands, alter_subreg,
1636 get_mem_expr_from_op): Likewise.
1637 * flow.c (notice_stack_pointer_modification_1,
1638 init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
1640 * function.c (mark_temp_addr_taken, preserve_temp_slots,
1641 preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
1642 optimize_bit_field, flush_addressof, purge_addressof_1,
1643 instantiate_decl, instantiate_virtual_regs_1, assign_parms,
1644 setjmp_protect, setjmp_protect_args, fix_lexical_addr,
1645 keep_stack_depressed): Likewise.
1646 * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
1647 noce_process_if_block, find_memory): Likewise.
1648 * integrate.c (subst_constants, allocate_initial_values): Likewise.
1649 * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
1650 update_equiv_regs): Likewise.
1651 * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
1652 maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
1653 * optabs.c (expand_abs, emit_unop_insn): Likewise.
1654 * passes.c (rest_of_handle_final): Likewise.
1655 * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
1656 move2add_note_store): Likewise.
1657 * ra-build.c (detect_remat_webs): Likewise.
1658 * ra-debug.c (dump_static_insn_cost): Likewise.
1659 * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
1660 * recog.c (validate_change, apply_change_group, cancel_changes,
1661 validate_replace_rtx_1, general_operand, register_operand,
1662 nonmemory_operand, push_operand, pop_operand, memory_operand,
1663 indirect_operand, asm_operand_ok, offsettable_memref_p,
1664 offsettable_nonstrict_memref_p, constrain_operands,
1665 store_data_bypass_p): Likewise.
1666 * reg-stack.c (subst_stack_regs_pat): Likewise.
1667 * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
1668 copy_cost, reg_scan_mark_refs): Likewise.
1669 * regmove.c (optimize_reg_copy_3, stack_memref_p,
1670 combine_stack_adjustments_for_block): Likewise.
1671 * regrename.c (copyprop_hardreg_forward_1): Likewise.
1672 * reload.c (can_reload_into, push_reload, decompose, immune_p,
1673 find_reloads, find_reloads_address, find_reloads_address_1,
1674 reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
1675 find_equiv_reg): Likewise.
1676 * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
1677 reload_as_needed, choose_reload_regs, emit_input_reload_insns,
1678 do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
1679 delete_address_reloads): Likewise.
1680 * resource.c (mark_referenced_resources): Likewise.
1681 * rtlanal.c (get_jump_table_offset, count_occurrences,
1682 reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
1683 reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
1684 num_sign_bit_copies1): Likewise.
1685 * rtlhooks.c (gen_lowpart_general): Likewise.
1686 * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
1687 * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
1688 sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
1689 sdbout_global_decl): Likewise.
1690 * simplify-rtx.c (simplify_subreg): Likewise.
1691 * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
1692 expand_anon_union_decl, expand_end_case_type): Likewise.
1693 * unroll.c (calculate_giv_inc): Likewise.
1694 * var-tracking.c (stack_adjust_offset_pre_post,
1695 bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
1696 add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
1697 vt_add_function_parameters): Likewise.
1698 * varasm.c (make_var_volatile, notice_global_symbol,
1699 assemble_external, decode_addr_const, mark_weak,
1700 default_encode_section_info): Likewise.
1702 2004-07-01 Steven Bosscher <stevenb@suse.de>
1704 * stmt.c (check_seenlabel): Remove.
1705 (pushcase, pushcase_range, expand_end_case_type): Don't call it.
1707 2004-07-01 Richard Henderson <rth@redhat.com>
1709 * function.h (struct function): Remove x_function_call_count.
1710 (function_call_count): Remove.
1711 * calls.c (expand_call): Don't set it.
1712 * integrate.c (copy_rtx_and_substitute): Likewise.
1714 * function.h (struct function): Remove x_cleanup_label.
1715 (cleanup_label): Remove.
1716 * stmt.c (expand_value_return): Don't use it.
1717 * function.c (free_after_compilation): Don't set it.
1718 (expand_function_start): Likewise. Remove parms_have_cleanups arg.
1719 * cfgexpand.c (tree_expand_cfg): Update call.
1720 * tree.h (expand_function_start): Update decl.
1722 2004-07-01 Joseph S. Myers <jsm@polyomino.org.uk>
1725 * c-lang.c (c_initialize_diagnostics): Move from here ...
1726 * c-objc-common.c: ... to here. Include "c-pretty-print.h".
1727 (c_tree_printer): Use pretty-printer to format %T.
1728 * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
1729 before '*' if not C++.
1730 (pp_c_direct_abstract_declarator): Don't try to print array upper
1731 bound for flexible array members.
1732 * c-tree.h: Include "diagnostic.h".
1733 (c_initialize_diagnostics): Declare.
1734 * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
1735 * c-format.c (format_type_warning): New function. Improve
1736 diagnostics for incorrect format argument types.
1737 (check_format_types): Use it. Add two parameters. Use the
1738 TYPE_MAIN_VARIANT of wanted_type.
1739 (check_format_info_main): Pass new parameters to
1741 (struct format_wanted_type): Update comment.
1743 2004-07-01 Nick Clifton <nickc@redhat.com>
1745 * target.h (struct gcc_target): Add new field to struct cxx:
1746 import_export_class.
1747 * target-def.h (TARGET_CXX): Initialise the new field.
1748 (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
1750 * doc/tm.texi: Document the new target hook.
1752 2004-07-01 Paolo Bonzini <bonzini@gnu.org>
1754 * builtins.c (fold_builtin_classify): Fix typo.
1756 2004-07-01 Richard Henderson <rth@redhat.com>
1758 * function.c (identify_blocks, identify_blocks_1): Remove.
1759 * function.h (identify_blocks): Remove.
1760 * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
1762 2004-07-01 Paolo Bonzini <bonzini@gnu.org>
1764 * builtins.c (fold_builtin_classify): New.
1765 (fold_builtin_unordered_cmp): Fix commentary.
1766 (fold_builtin): Use it.
1767 * builtins.def: Define builtins for isnan,
1768 isnanf, isnanl, finite, finitef, finitel,
1769 isinf, isinff, isinfl.
1771 2004-07-01 Richard Henderson <rth@redhat.com>
1773 * function.h (struct function): Remove dont_emit_block_notes.
1774 * gimple-low.c (lower_function_body): Don't set it.
1775 * cfgexpand.c (expand_block): Don't check it.
1776 * cfglayout.c (insn_locators_initialize): Likewise.
1777 * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
1778 * passes.c (rest_of_compilation): Likewise.
1779 * stmt.c (expand_start_bindings_and_block): Likewise.
1780 (expand_end_bindings): Likewise.
1782 2004-07-01 Richard Henderson <rth@redhat.com>
1784 * cgraph.h (cgraph_build_static_cdtor): Declare.
1785 * cgraphunit.c (cgraph_build_static_cdtor): New.
1786 * c-objc-common.c (build_cdtor): Use it.
1787 * coverage.c (create_coverage): Likewise.
1788 * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
1789 * optabs.c (init_optabs): Don't set gcov_init_libfunc.
1791 See ChangeLog.11 for earlier changes.
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