1 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
5 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
6 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
7 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
8 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
9 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
10 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
11 Fix mismatching modes in SET operands.
12 (conditional move patterns): Fix formatting.
13 (unnamed subx arch64 pattern): Remove duplicate insn.
15 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
17 * config/sparc/sparc.c (const64_operand, const64_high_operand):
18 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
19 (input_operand): Fixup test for what we accept for constant
21 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
23 (safe_constDI): Remove.
24 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
25 gen_safe_XOR64): New functions.
26 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
27 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
29 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
30 available when HOST_BITS_PER_WIDE_INT is not 64.
31 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
32 move before movdi_insn_sp64 pattern.
33 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
34 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
35 symbolic_operand as predicate for second operand.
36 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
37 expander): Give set VOIDmode.
39 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
41 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
43 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
45 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
47 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
49 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
51 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
53 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
55 * install.texi: Various SCO OpenServer tweaks.
57 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
59 * reload1.c (eliminate_regs_in_insn): Handle another case when
60 eliminating the frame pointer to the hard frame pointer. Add
61 missing ep->to_rtx check to one existing case.
63 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
65 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
67 * tree.h: De-conditionalize init_priority code.
69 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
70 * collect2.c (NM_FLAGS): Change from -p to -n.
72 * configure.in: Turn on collect2 for mipstx39-elf.
73 Handle use_collect2=no properly.
75 * c-common.c: De-conditionalize init_priority code.
76 * collect2.c (extract_init_priority, sort_ids): New fns.
77 (main): Call sort_ids.
78 Move sequence_number to file scope.
80 * configure.in: Handle --enable-init-priority.
81 * c-common.c (attrs): Add A_INIT_PRIORITY.
82 (init_attributes, decl_attributes): Likewise.
83 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
84 * tree.c (get_file_function_name_long): Split out...
85 (get_file_function_name): ...from here.
87 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
89 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
92 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
94 * toplev.c (display_help): Add braces to shut up warnings.
95 * tree.c (simple_cst_equal): Likewise.
97 * fold-const.c (non_lvalue): Don't deal with null pointer
99 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
101 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
102 of any size to a pointer.
104 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
106 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
108 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
110 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
112 * mn10300.md (prologue insn): Only save registers which need saving.
113 (epilogue insn): Similarly.
115 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
118 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
120 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
121 VAR_DECL's in gp addressable sections.
123 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
125 * sparc.c: Change return <exp> to <exp>; return; in functions
127 * sparc.md: Add empty semicolon statement after final label in
130 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
132 * config/sparc/sparc.md (define_insn addx_extend): Rename to
133 addx_extend_sp64, only allow when TARGET_ARCH64.
134 (define_insn addx_extend_sp32 and split): Version that works when
136 (define_insn subx_extend): Likewise.
137 (define_split adddi3 and subdi3 with zero extension): Fixup and
138 correct bugs when not TARGET_ARCH64.
140 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
142 * except.c (set_exception_lang_code, set_exception_version_code):
143 Use prototype-style definition if __STDC__, to match declaration
146 * genemit.c: Change FAIL and DONE macros not to use loops.
148 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
150 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
151 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
153 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
155 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
157 * README.g77: Update from Craig.
159 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
161 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
163 (safe_constDI sparc_emit_set_const64_quick1,
164 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
165 analyze_64bit_constant, const64_is_2insns,
166 create_simple_focus_bits): Fix some bugs when compiled on real
168 (function_arg_record_value_3, function_arg_record_value_2,
169 function_arg_record_value): Add fully prototyped forward decls.
170 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
171 to cmpsi_insn and use on both 64 and 32 bit targets.
172 (define_insn cmpsi_insn_sp64): Remove.
173 (define_expand zero_extendsidi2): Allow for 32-bit target too.
174 (define_insn zero_extendsidi2_insn): Rename to
175 zero_extendsidi2_insn_sp64.
176 (define_insn zero_extendsidi2_insn_sp32): New pattern and
177 assosciated forced split for it.
179 * config/sparc/sparc.c (const64_operand, const64_high_operand):
181 * config/sparc/sparc.h: Declare them.
182 (PREDICATE_CODES): Add them.
183 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
184 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
186 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
188 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
189 in v9 case as the latter makes the Solaris assembler crash.
191 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
193 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
194 for TFmode when !v9. We require offsettable memory addresses.
195 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
196 DFmode register number conversions.
197 * config/sparc/sparc.md (define_split DFmode moves): If register
198 is a SUBREG do alter_subreg on it before using.
199 (define_expand movtf): Fixup comment about alignment on v9.
200 (define_split TFmode moves): Don't use gen_{high,low}part, create
201 explicit SUBREGs instead.
203 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
205 * Makefile.in (mbchar.o): Depend on mbchar.c.
207 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
208 Richard Henderson <rth@cygnus.com>
210 Rewrite Sparc backend for better code generation and
211 improved sparc64 support.
212 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
214 * config/sparc/sysv4.h: Likewise.
215 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
216 move_operand, v8plus_regcmp_op, emit_move_sequence,
217 singlemove_string, doublemove_string, mem_aligned_8,
218 output_move_double, output_move_quad, output_fp_move_double,
219 move_quad_direction, output_fp_move_quad, output_scc_insn):
221 (small_int_or_double): New predicate.
222 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
223 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
224 old pic_{sethi,lo_sum}_si patterns.
225 (mem_min_alignment): New generic function to replace
226 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
227 available and can test for arbitrary alignments. All callers
229 (save_regs, restore_regs, build_big_number,
230 output_function_prologue, output_cbranch, output_return,
231 sparc_flat_save_restore, sparc_flat_output_function_prologue,
232 sparc_flat_output_function_epilogue): Prettify
234 (output_function_epilogue): Likewise and add code to output
235 deferred case vectors.
236 (output_v9branch): Likewise, add new arg INSN and use it to tack
237 on branch prediction settings. All callers changed.
238 (print_operand): Likewise and output %l44 for LO_SUMs when
240 (sparc_splitdi_legitimate): New function to make sure DImode
241 splits can be run properly when !arch64.
242 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
243 Reformat example code in comments.
244 (set_extends): Remove UNSPEC/v8plus_clear_high case.
245 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
246 of deferred case vectors we need to output.
247 (sparc_defer_case_vector): Record a case vector.
248 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
249 sparc_output_deferred_case_vectors): New functions to output them.
250 (sparc_emit_set_const32): New function to form 32-bit constants in
251 registers when that requires more than one instruction.
252 (safe_constDI, sparc_emit_set_const64_quick1,
253 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
254 analyze_64bit_constant, const64_is_2insns,
255 create_simple_focus_bits, sparc_emit_set_const64): New functions
256 which do the same for 64-bit constants when arch64.
257 (sparc_emit_set_symbolic_const64): New function to emit address
258 loading for all code models on v9.
259 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
260 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
261 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
262 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
263 inaccuracies in comments, add symbolic and text_segment operands
264 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
265 GENERAL_REGS in these cases as a temp REG is needed to load these
266 addresses into a register properly.
267 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
269 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
270 quads are guarenteed to have 16-byte alignment.
271 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
272 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
273 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
274 deferred case vector implementation.
275 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
276 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
277 Generate "internal label - label" instead of "label - 1b".
278 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
279 (PREDICATE_CODES): Remove sparc_operand, move_operand,
280 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
282 (doublemove_string, output_block_move, output_fp_move_double,
283 output_fp_move_quad, output_move_double, output_move_quad,
284 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
285 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
286 (sparc_emit_set_const32, sparc_emit_set_const64,
287 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
288 mem_min_alignment, small_int_or_double): Add externs.
289 * config/sparc/sparc.md: Document the many uses of UNSPEC and
290 UNSPEC_VOLATILE in this backend.
291 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
292 unary to types which execute in it.
293 (define_function_unit ieu_shift): Rename to ieu0.
294 (define_function_unit ieu1): New, executes compare, call, and
295 uncond_branch type insns.
296 (define_function_units for type fdivs, fdivd, fsqrt): These
297 execute in the fpu multiply unit not the adder on UltraSparc.
298 (define_expand cmpdi): Disallow TARGET_V8PLUS.
299 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
300 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
301 allows the arith_double_operand predicate and rHI constraint when
303 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
304 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
305 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
306 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
307 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
308 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
309 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
310 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
311 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
312 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
313 sign_extendqihi2_insn, sign_extendqisi2_insn,
314 sign_extendqidi2_insn, sign_extendhidi2_insn,
315 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
316 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
317 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
318 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
319 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
320 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
321 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
322 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
323 smulsi3_highpart_v8plus, unnamed subreg mult,
324 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
325 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
326 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
327 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
328 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
329 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
330 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
331 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
332 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
333 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
334 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
335 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
336 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
337 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
338 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
339 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
340 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
341 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
342 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
343 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
344 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
345 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
346 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
347 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
348 call_address_untyped_struct_value_sp32,
349 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
350 call_value_symbolic_sp32, call_value_address_sp64,
351 call_value_symbolic_sp64, branch_sp32, branch_sp64,
352 flush_register_windows, goto_handler_and_restore,
353 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
354 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
355 return_addsi, return_di, return_adddi, return_sf, all call+jump
356 peepholes, trap, unnamed trap insns): Prettify output strings.
357 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
358 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
359 Likewise and force + implement splits for integer cases.
360 (define_insn return_sf_no_fpu): Likewise and allow to match when
361 no-fpu because of our subreg SFmode splits.
362 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
363 zero_extendqidi2_insn, zero_extendhidi2_insn,
364 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
365 input_operand for second operand.
366 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
367 reg_or_0_operand for operand 2 so new splits can use it.
368 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
369 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
371 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
372 CONST_DOUBLEs for operand 2.
373 (define_insn move_label_di): Likewise and label distance
374 optimization because it no longer works with new deferred case
375 vector scheme. To be revisited.
376 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
377 and allow reg_or_0_operand and J constraint for second operand.
378 (define_insn jump): Set branch predict taken on V9.
379 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
380 new deferred case vector scheme.
381 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
382 (define_insn negdi2_sp32): Force + implement splits.
383 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
384 one_cmplsi2_not_liveg0 respectively, and create expander of original
385 names which emit special rtl for TARGET_LIVE_G0.
386 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
387 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
388 gen_compare_reg, FAIL instead.
389 (define_insn sgtu, sleu): Likewise and check gen_s*() return
390 values when trying to reverse condition codes, if they FAIL then
392 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
393 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
394 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
395 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
396 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
397 set output string to # to indicate they are mandatory splits.
398 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
399 pic_sethi_di, move_pic_label_si): Remove.
400 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
401 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
403 (define_expand movsi_pic_label_ref, define_insn
404 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
405 expander and insns to handle PIC label references and deferred
407 (define_insn get_pc_via_rdpc): Comment out as it is no longer
409 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
410 Rewrite to not use emit_move_sequence, make use of new constant
411 formation code, and new splits for all multi-insn cases.
412 (define_insn movqi_insn): Remove sethi case, it can never happen.
413 Use reg_or_zero_operand instead of const0_rtx explicit test,
414 use input_operand instead of move_operand for source, and use
415 general_operand now for dest.
416 (define_insn movhi_insn): Similar but leave sethi case.
417 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
418 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
419 movhi_lo_sum respectively, prettify output string.
420 (define_insn movsi_zero_liveg0): New pattern to put zero into a
421 register when needed on TARGET_LIVE_G0.
422 (define_insn movsi_insn): Use general_operand and input_operand
423 for dest and src respectively. Simplify applicability test.
424 Prettify output strings, and add clr alternative for J
426 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
427 deprecated std and reg-reg DI moves): Remove and...
428 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
429 implementation which uses forced splits for all non-single insn
431 (define_split DI move cases on !arch64): New splits to handle all
432 situations of 64-bit double register DImode on 32bit, and
433 unaligned registers and memory addresses for all subtargets.
434 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
436 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
437 input_operand for dest and src respectively, prettify output
439 (define_insn movdf_insn, movdf_no_e_insn, store_df,
440 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
442 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
443 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
444 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
445 movtf_no_e_insn_sp64) Replace with new
446 implementation which uses forced splits for all non-single insn
448 (define_split DF move cases): New splits in similar vein to DI
450 (define_insn sethi_di_medlow, sethi_di_medium_pic,
451 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
452 movdi_sp64_insn): Remove old v9 code model and constant loading
454 (define_insn pic_lo_sum_di, pic_sethi_di,
455 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
456 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
457 embmedany_sethi, embmedany_losum, embmedany_brsum,
458 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
459 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
460 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
461 scheme, using unspecs, secondary reloads, and one to one sparc
462 insn to rtl insn mapping for better scheduling and code gen.
463 (define_expand reload_indi, reload_outdi): Reload helpers for
464 MEDANY and EMBMEDANY symbol address loading cases which require a
466 (define_expand movsicc): Remove v8plus_regcmp cases.
467 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
468 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
469 cmp_diqi_trunc_set): New patterns used by some of the new scc
471 (define_insn xordi3_sp64_dbl): New pattern used for constant
472 formation when crossing from 32-bit targets.
473 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
475 (define_insn addx, subx): Make visible and prettify.
476 (define_insn adddi3_insn_sp32): Likewise and force split.
477 (define_insn addx_extend, subx_extend, unnamed): New patterns for
478 64bit scc split usage.
479 (define_insn unnamed plusDI zero_extend, unnamed minusDI
480 zero_extend, subdi3): Force and implement splits.
482 * final.c (final_scan_insn): Don't output labels if target
483 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
486 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
487 don't forget to walk inside SEQUENCESs too as these are what the
488 delay slot scheduler will create.
490 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
492 * alpha.md (extxl+1,+2): New patterns to work around
495 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
497 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
498 caused bad assembly code to be generated.
500 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
502 * netbsd.h: Fix typo.
504 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
506 * config.sub: Fix typo.
508 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
510 * invoke.texi (Environment Variables): Typo: Change "ascpects"
512 (Running Protoize): Typo: Change "ther" into "other".
514 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
516 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
517 * m68k/netbsd.h: Likewise.
518 * ns32k/netbsd.h: Likewise.
519 * sparc/netbsd.h: Likewise.
521 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
523 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
524 * ginclude/va-clipper.h (va_list): Likewise.
526 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
528 * rs6000.c (rs6000_override_options): If big endian and -Os, use
529 load/store multiple instructions unless user overrides.
531 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
533 * ns32k/netbsd.h: Fix typo.
535 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
537 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
538 labels with .debugsym if no parallel insns.
540 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
542 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
543 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
545 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
547 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
548 (AR_FOR_TARGET): Define.
550 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
552 * dyn-string.h: New file.
553 * dyn-string.c: Likewise.
554 * Makefile.in (OBJS): Add dyn-string.o.
555 (dwarf2out.o): Add dyn-string.h dependency.
556 (dyn-string.o): List dependencies.
557 * dwarf2out.c: Include dyn-string.h.
558 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
559 (addr_const_to_string): Take a dyn_string_t, not a char* as a
560 prototype. Use dyn_string_append rather than strcat, throughout.
561 (addr_to_string): Use dyn_string_t.
563 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
565 Function entry/exit profiling instrumentation:
566 * expr.h (profile_function_entry_libfunc,
567 profile_function_exit_libfunc): Declare new variables.
568 * optabs.c: Define them here.
569 (init_optabs): Initialize them.
570 * tree.h (struct tree_decl): New flag
571 no_instrument_function_entry_exit.
572 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
573 * c-decl.c (duplicate_decls): Merge it.
574 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
575 (init_attributes): Use it for "no_instrument_function".
576 (decl_attributes): Handle it, for functions that have not yet been
577 compiled. Set decl flag.
578 * flags.h (flag_instrument_function_entry_exit): Declare new
580 * toplev.c (flag_instrument_function_entry_exit): Define it here.
581 (f_options): New option "instrument-functions".
582 * function.h (struct function): New field instrument_entry_exit.
583 * function.c (current_function_instrument_entry_exit): New
585 (push_function_context_to, pop_function_context_from): Save and
587 (expand_function_start): Set current_ variable, maybe emit return
588 label and entry profile call.
589 (expand_function_end): Maybe emit exit profile call.
591 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
593 * i386.md (movqi): When optimizing a load of (const_int 1) into a
594 NON_QI_REG_P, pretend the register is SImode.
596 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
598 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
599 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
600 manufacturer id for ns32k.
601 * configure: Regenerated.
602 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
603 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
604 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
605 * config/m68k/netbsd.h: Same.
606 * config/ns32k/netbsd.h: Same.
607 * config/sparc/netbsd.h: Same.
609 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
611 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
612 or UNROLL_COMPLETELY loop that starts with a jump to its
615 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
617 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
618 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
619 (print_operand, case 'B'): Don't fall through.
620 (print_operand, case 'S'): Correct mask begin/end computation.
621 Use HOST_BITS_PER_WIDE_INT.
622 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
623 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
624 * rs6000/aix41.h (CPP_PREDEFINES): Same.
625 * rs6000/aix43.h (CPP_PREDEFINES): Same.
627 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
629 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
630 constraint from second alternative.
632 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
634 * configure.in: Fix --without/--disable cases for local-prefix,
635 gxx-include-dir and checking.
637 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
639 * configure.in (enable_haifa): Set by default for sparc64 too.
642 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
644 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
645 * i386/winnt.c (associated_type): New fn.
646 (i386_pe_valid_type_attribute_p): New fn.
647 (i386_pe_check_vtable_importexport): Remove.
648 (i386_pe_dllexport_p): Use associated_type.
649 (i386_pe_dllimport_p): Likewise.
651 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
652 * i386.c (i386_valid_type_attribute_p): Also accept
653 attributes for METHOD_TYPEs.
655 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
657 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
659 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
661 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
663 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
664 them from generating a new base name for each occurence of
667 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
669 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
671 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
675 * cplus-dem.c (type_kind_t): New type.
676 (demangle_template_value_parm): Add type_kind_t parameter. Rely
677 on this paramter, rather than demangling the type again.
678 (demangle_integral_value): Pass tk_integral.
679 (demangle_template_: Pass the value returned from do_type.
680 (do_type): Return a type_kind_t. Pass tk_integral to
681 demangle_template_value_parm for array bounds.
682 (demangle_fund_type): Likewise.
684 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
686 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
689 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
691 * pa.c (move_operand): Accept CONSTANT_P_RTX.
693 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
695 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
697 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
700 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
702 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
703 (DEBUGGER_ARG_OFFSET): Likewise.
705 * mn10300.md (movsf): Remove last change. Not needed.
707 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
709 * c-lex.c (yylex): Fix boundary conditions in character literal and
710 string literal loops.
712 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
714 * longlong.h (count_leading_zeros): Sparclite scan instruction was
715 being invoked incorrectly.
717 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
718 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
720 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
721 * configure.in: Added i[34567]86-*-win32
723 * configure: Rebuilt.
725 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
727 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
728 the frame pointer and compiling PIC code and reload has not completed.
730 * i386.c (output_to_reg): Add code to emulate non-popping DImode
733 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
735 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
737 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
739 * Makefile.in (install-info): Only try to update the info
740 directory file if it exists in the first place.
742 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
744 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
746 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
748 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
751 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
753 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
754 strings as the insertion of USER_LABEL_PREFIX.
755 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
757 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
760 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
762 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
763 already defined type.
765 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
767 * expr.c (check_max_integer_computation_mode): Allow conversions
768 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
769 (expand_expr): Likewise.
771 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
773 * expr.c (expand_expr): Expand RETURN_EXPR.
775 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
777 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
779 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
781 * dwarf2out.c (output_aranges): Call stripattributes
782 for TEXT_SECTION references.
783 (output_line_info): Likewise.
785 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
787 * profile.c (branch_prob): Call allocate_reg_info after outputting
788 profile rtl in instrument_arcs.
790 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
792 * fixinc.irix (math.h): Install wrapper instead of copying.
794 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
796 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
797 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
798 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
799 lang_flag_0. Added documentation in the flag table.
801 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
803 * cccp.c (do_include): Fix vax c style include handling.
805 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
807 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
809 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
811 * fold-const.c (non_lvalue): Don't deal with null pointer
813 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
815 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
817 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
818 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
819 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
820 (u_short_cint_operand): Same.
821 (reg_or_cint_operand): Same.
822 (logical_operand): Same.
823 (input_operand): Same.
824 (reg_or_short_operand): Use u_short_cint_operand.
826 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
828 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
829 but keep the insns and splits. Adjust so when the ultimate destination
830 is memory, use cvtql.
832 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
834 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
836 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
838 * gcc.c (do_spec): Call "error" not "warning".
840 * configure.in: Fix minor problems with gas feature detection code.
841 * configure: Rebuilt.
843 * gcc.c (do_spec): Issue a warning for '%[]' usage.
846 * gcc.c: Delete %[spec] support.
847 (do_spec_1, case '('): Likewise.
848 (do_spec_1, case '['): Call error.
850 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
852 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
853 (CPP_SUBTARGET_SPEC): Default to empty string.
854 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
855 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
856 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
857 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
859 * alpha/linux.h (CPP_PREDEFINES): Tidy.
860 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
861 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
862 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
863 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
864 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
865 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
866 * alpha/vxworks.h: Likewise.
868 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
870 * mips.md (reload_outsi): Added missing REGNO call.
871 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
873 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
874 another match_operator and compare the codes.
876 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
878 * MIPS multiply pattern fixes:
879 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
880 Add union classes for HI, LO, or HILO plus general registers.
881 (GENERATE_MADD): Deleted.
882 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
883 Add TARGET_MAD to condition.
884 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
885 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
886 "*d" for accumulator, to give preference to LO initially but not
889 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
891 * configure.in (enable_c_mbchar): New configure option.
892 (extra_cpp_objs): Always available now.
894 * cexp.y (mbchar.h): #include it.
895 (yylex): Handle Multibyte characters in character literals.
897 * cccp.c (mbchar.h): #include it.
898 (main): Set character set based on LANG environment variable.
899 (rescan): Handle multibyte characters in comments.
900 (skip_if_group): See above.
901 (validate_else): See above.
902 (skip_to_end_of_comment): See above.
903 (macarg1): See above.
904 (discard_comments): See above.
905 (rescan): Handle multibyte characters in string and character literals.
906 (collect_expansion): See above.
907 (skip_quoted_string): See above.
908 (macroexpand): See above.
909 (macarg1): See above.
910 (discard_comments): See above.
911 (change_newlines): See above.
913 * c-lex.c (mbchar.h): #include it.
914 (GET_ENVIRONMENT): New macro.
915 (init_lex): Set character set based on LANG environment variable.
916 (yylex): Handle multibyte characters in character literals.
917 (yylex): Handle multibyte characters in string literals.
919 * Makefile.in (mbchar.o): New target.
920 (cccp$(exeext)): @extra_cpp_objs@ is always available.
921 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
923 * mbchar.[ch]: New files for multibyte character handling.
925 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
927 * jump.c (jump_optimize): When simplifying noop moves and
928 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
929 the PUSHes to rewrite in second loop as we did in the first.
931 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
933 * cplus-dem.c (demangle_nested_args): Make function definition
934 static to match the prototype.
936 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
938 * alloca.c: Respect USE_C_ALLOCA.
939 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
940 * gengenrtl.c (xmalloc): Likewise.
942 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
944 * loop.h (struct induction): Add no_const_addval.
945 * loop.c (the_movables, reg_address_cost): New variables.
946 (init_loop): Init reg_address_cost.
947 (loop_optimize): Call end_alias_analysis.
948 (scan_loop): Init the_movables.
949 (record_giv): Init induction->no_const_addval.
950 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
951 [REG]: Rearrange loop search test to catch more cases.
952 (general_induction_var): Return success not benefit; take an extra
953 argument for that. Change all callers.
954 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
955 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
956 [default]: Search the_movables for additional combinations.
957 (sge_plus_constant, sge_plus): New functions.
958 (express_from_1): New function.
959 (express_from): Always define. Rewrite using express_from_1.
960 (combine_givs_p): Handle more cases. Ignore address cost.
961 (cmp_combine_givs_stats): New function.
962 (combine_givs_used_once, combine_givs_benefit_from): New functions.
963 (combine_givs): Rewrite to do best-fit combination.
965 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
966 (fold): Do a complete (A*C)+(B*C) association check.
968 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
970 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
972 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
974 * mn10300.c (MODES_TIEABLE_P): Fix typo.
976 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
978 * tree.c (valid_machine_attribute): Only create a new type variant if
979 there is a decl to use it.
981 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
983 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
986 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
988 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
991 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
993 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
994 Simplify tests for clearing an address register.
995 (expand_prologue): Corresponding changes.
997 * mn10300.md (movXX patterns): Make sure the destination is an
998 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
999 (logical patterns): Split into expanders + patterns
1000 (zero and sign extension patterns): Similarly.
1001 (shift patterns): Similarly.
1003 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
1005 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
1006 for the sequence, recording base values.
1008 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
1010 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
1012 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
1014 * gcc.c: Remove ANSI-C ism from --help code.
1016 * toplev.c: Support --help with USE_CPPLIB.
1018 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
1020 * configure.in: Rework gas feature code to work with symlink based
1023 * extend.texi: Clarify some issues related to local variables
1024 assigned to explicit registers.
1026 * mn10300.md (mulsi): Turn into expander + pattern.
1028 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
1031 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
1033 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
1035 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
1037 * version.c: Bump again to distinguish mainline tree from the
1040 Tue Jul 14 02:20:38 1998 Jeffrey A Law (law@cygnus.com)
1042 * version.c: Bump to avoid problems with old spec files during
1045 Mon Jul 13 23:11:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1047 * config/sparc/sparc.c (output_scc_insn): Enclose || conditions in
1048 parens while walking over notes.
1049 * config/sparc/sparc.md (reg movdi split): Clean up matching
1051 (all DI arithop splits on 32-bit): Handle immediate arguments
1052 correctly when they are CONST_INTs.
1054 Mon Jul 13 23:57:21 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1056 * m68k/m68k.h (TARGET_SWITCHES): Clear MASK_68040_ONLY for
1057 -m68020-40, -m68020-60 and -m5200.
1059 Mon Jul 13 23:52:05 1998 Weiwen Liu <weiwen.liu@yale.edu>
1061 * gcc.c (do_spec_1): Fix %O handling for secure temporary file
1064 Mon Jul 13 23:42:36 1998 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
1066 * sh/elf.h (MAX_OFILE_ALIGNMENT): Undefine before including svr4.h.
1068 Mon Jul 13 23:36:08 1998 Jim Wilson <wilson@cygnus.com>
1070 * i386/i386.h (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): New specs.
1071 (CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Use them.
1072 (EXTRA_SPECS): Support them.
1073 * gcc.c: Delete %[spec] support.
1074 (do_spec_1, case '('): Likewise.
1075 (do_spec_1, case '['): Call error.
1076 * i386/aix386ng.h, cygwin32.h, freebsd-elf.h, gas.h, isc.h,
1077 linux-aout.h, linux-oldld.h, linux.h, osfelf.h, osfrose.h, sco.h,
1078 sco4.h, sco4dbx.h, sco5.h, sol2.h, sysv3.h (CPP_SPEC): Delete
1081 Mon Jul 13 23:31:04 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1083 * m68k.c (output_scc_di): Use cmpw #0 only for address registers.
1085 Mon Jul 13 23:26:43 1998 Jeffrey A Law (law@cygnus.com)
1087 * tree.h (tree_common): Note front-end dependencies on layout of
1090 Mon Jul 13 23:18:39 1998 Craig Burley <burley@gnu.org>
1092 * stmt.c (expand_expr_stmt): If not assigning fresh
1093 value to last_expr_value, zero it, so old garbage
1094 doesn't get dereferenced.
1096 Mon Jul 13 23:06:55 1998 Henning.Petersen@t-online.de (Henning Petersen)
1098 * gcse.c (hash_scan_insn): Add missing argument declaration.
1100 Mon Jul 13 18:59:13 1998 Jim Wilson <wilson@cygnus.com>
1102 * configure.in (mips-sgi-irix5cross64, mips-sgi-irix5*): Remove
1103 HAVE_INTTYPES_H from xm_defines. Define xm_file to mips/xm-iris5.h.
1104 * mips/xm-iris5.h (USG): Delete.
1106 Mon Jul 13 17:18:47 1998 Nick Clifton <nickc@cygnus.com>
1108 * cccp.c (main): Add support for parsing --help.
1109 (display_help): New function: display command line switches.
1111 * cpplib.c (cpp_handle_option): Add support for parsing --help.
1112 (display_help): New function: display command line switches.
1114 * gcc.c (main): Add support for parsing --help, and passing it on
1115 to the sub-processes invoked by gcc.
1116 (display_help): New function: display comman line switches.
1118 * tm.texi (TARGET_SWITCHES and TARGET_OPTIONS): Document
1119 'description' field added to structure.
1121 * toplev.c: Add support for parsing --help.
1122 Add documentation strings to command line option tables.
1123 (display_help): New function: display comman line switches.
1125 Mon Jul 13 16:15:10 1998 John Carr <jfc@mit.edu>
1127 * sparc.c, sparc.h, sparc.md: New trampoline code.
1128 Allow integer operand 1 to V8+ DImode shift instructions.
1129 Fix bugs in V8+ wide multiply patterns.
1130 In 32 bit mode, split DImode register moves and logical instructions.
1131 Write V9 branch prediction flag.
1132 Use V9 conditional move more often for scc.
1134 Mon Jul 13 15:10:09 1998 Philippe De Muyter <phdm@macqel.be>
1136 * invoke.texi(-fno-builtin): Explain that the names of built-in
1137 functions begin with `__builtin_', not `__'.
1139 Mon Jul 13 19:01:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1141 * reload1.c (reload_reg_free_before_p): Abort for RELOAD_FOR_OUTPUT.
1143 Mon Jul 13 10:50:17 1998 Mark Mitchell <mark@markmitchell.com>
1145 * cplus-dem.c (SCOPE_STRING): Remove DMGL_JAVA stuff.
1146 (cplus_demangle_opname): Initialize work.
1147 (demangle_template): Remove is_java_array.
1148 (do_type): Remove DMGL_JAVA stuff.
1149 (long_options): Remove "java".
1150 (main): Remove 'j' option.
1152 Mon Jul 13 10:19:00 1998 Jeffrey A Law (law@cygnus.com)
1154 * mn10300.h (REG_CLASS_FROM_LETTER): Map 'y' to SP_REGS.
1155 Handle 'x' as NO_REGS for this cpu.
1156 (REGNO_OK_FOR_BIT_BASE_P): Define.
1157 (REG_OK_FOR_BIT_BASE_P): Define.
1158 (GO_IF_LEGITIMATE_ADDRESS): Use them.
1159 (REG_OK_FOR_INDEX_P): Tweak.
1160 * mn13000.c (REG_SAVE_BYTES): Define.
1161 (expand_epilogue, initial_offset): Use it.
1162 (secondary_reload_class): Slightly reformat.
1163 (output_tst): Tweak comments.
1164 * mn10300.md: Change 'x' to 'y' for SP_REGS. Then add 'x' to many
1166 (addsi3): Turn into a define_expand/define_insn pair. Rework code for
1167 three operand addition case to be more efficient.
1168 (subsi3): Turn into a define_expand/define_insn pair.
1170 * expr.c (expand_expr): Only set MEM_IN_STRUCT_P if the memory address
1171 is not varying for REFERENCE_TYPE or when we think we might have found
1172 an optimized access to the first element in an array.
1174 Mon Jul 13 02:24:08 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1176 * regclass.c (reg_scan_mark_refs): New arg min_regno. Only update
1177 regscan information for REGs with numbers greater than or equal to
1178 this. All callers changed.
1179 (reg_scan_update): New function to efficiently update regscan
1180 information on the fly.
1181 * rtl.h: Add prototype.
1182 * jump.c (jump_optimize): Call it when we make a transformation
1183 which generates new pseudo-REGs.
1185 Sun Jul 12 13:08:14 1998 Jeffrey A Law (law@cygnus.com)
1187 * collect2.c (main): Use "-x c" instead of "-lang-c" for force the
1188 compiler into C mode.
1190 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
1192 * cplus-dem.c (demangle_nested_args): Return a value.
1194 * tree.h (TYPE_P): New macro.
1196 Sat Jul 11 16:19:48 1998 Mark Mitchell <mark@markmitchell.com>
1198 * cplus-dem.c (string): Move definition before work_stuff.
1199 (work_stuff): Add volatile_type, forgetting_types,
1200 previous_argument, and nrepeats fields.
1201 (SCOPE_STRING): New macro.
1202 (demangle_template): Add `remember' parameter. Add comment.
1203 Register the `B' code type here, if remembering. Tidy. Fix crash
1204 on NULL tmpl_argvec. Be consistent with use of tname/trawname.
1205 (demangle_nested_args): New function.
1206 (internal_cplus_demangle): Handle volatile-qualified member
1208 (mop_up): Delete the previous_argument string if present.
1209 (demangle_signature): Tidy. Handle volatile-qualified member
1210 functions. Handle back-references using the `B' code. Use extra
1211 parameter to demangle_template and SCOPE_STRING where appropriate.
1212 (demangle_template_value_parm): Fix thinko; 'B' is not an integral
1214 (demangle_class): Use SCOPE_STRING.
1215 (gnu_special): Pass additional argument to demangle_template.
1217 (demangle_qualified): Save qualified types for later
1218 back-references. Handle constructors and destructors for template
1220 (do_type): Tidy. Use SCOPE_STRING. Pass extra argument to
1221 demangle_template. Use demangled_nested_args. Don't remember
1222 qualified types here; that's now done in demangle_qualified.
1223 Similarly for templates.
1224 (do_arg): Improve commment. Handle 'n' repeat code.
1225 (remember_type): Check forgetting_types.
1226 (demangle_args): Deal with 'n' repeat codes. Tidy.
1228 Sat Jul 11 02:59:08 1998 Richard Earnshaw <rearnsha@arm.com>
1230 * arm.md (extendhisi2_mem, movhi, movhi_bytes): Propagate the volatile
1231 and structure attribute flags to MEMs generated.
1232 (splits for sign-extended HI & QI mode from memory): Also propagate
1235 * configure.in (thumb-*-coff*): Don't cause fixincludes to be run.
1237 Fri Jul 10 19:06:59 1998 Michael Meissner <meissner@cygnus.com>
1239 * varray.h: Include system.h if it hasn't already been included
1240 before to get size_t declared.
1242 Fri Jul 10 12:53:58 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1244 * jump.c (jump_optimize): If after_regscan and our transformations
1245 generate new REGs, rerun reg_scan.
1247 Fri Jul 10 11:50:43 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1249 * config/i960/i960.c (i960_address_cost): MEMA operands with
1250 positive offsets < 4096 are free.
1252 Fri Jul 10 12:34:37 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1254 * config/m68k/m68k.c (const_uint32_operand): Recognize
1256 (const_sint32_operand): Likewise.
1258 Thu Jul 9 22:58:59 1998 Jeffrey A Law (law@cygnus.com)
1260 * Makefile.in (alias.o): Depend on $(EXPR_H).
1262 Thu Jul 9 18:24:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1264 * reload1.c (choose_reload_regs): If using an equivalence from
1265 find_equiv_reg and reg_reloaded_valid is not set for this register,
1266 clear the associated spill_reg_store.
1268 Thu Jul 9 18:12:49 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1270 * reload1.c (emit_reload_insns): If an output reload copies only
1271 to a secondary reload register, indicate that the secondary reload
1272 does the actual store.
1274 Thu Jul 9 18:01:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1276 * reload.c (find_equiv_reg): If need_stable_sp is set,
1277 check if stack pointer is changed directly in a PARALLEL.
1279 Thu Jul 9 10:38:14 1998 Jeffrey A Law (law@cygnus.com)
1281 * jump.c (duplicate_loop_exit_test): Fix thinko.
1283 Thu Jul 9 01:30:37 1998 Joel Sherrill <joel@OARcorp.com>
1284 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
1286 * config/i386/rtemself.h: Updated to keep in sync with
1287 config/i386/linux.h.
1289 * configure.in: Added sh-rtemself.
1290 * configure: Rebuilt.
1291 * config/sh/rtems.h: Removed -D__ELF__ since it is now COFF.
1292 * config/sh/rtemself.h: New file.
1294 * config/rs6000/rtems.h: Defined STARTFILE_DEFAULT_SPEC.
1296 Wed Jul 8 21:43:14 1998 Jeffrey A Law (law@cygnus.com)
1298 * configure.in: Check if the assembler supports ".balign" and
1299 ".p2align" and define HAVE_GAS_BALIGN_AND_P2ALIGN appropriately.
1300 * acconfig.h (HAVE_GAS_BALIGN_AND_P2ALIGN): New tag.
1301 * i386/gas.h (ASM_OUTPUT_ALIGN): If the assembler has support for
1302 ".balign" then use it.
1304 * print-rtl.c (print_rtx): Revert previous patch.
1306 * jump.c (duplicate_loop_exit_test): Do not duplicate the loop exit
1307 test if the exit code has an insn with ASM_OPERANDS.
1309 * i386/cygwin32.h (STDIO_PROTO): Fix typo.
1310 * m32r.h (STDIO_PROTO): Fix typo.
1312 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Handle addresses created by
1313 LEGITIMIZE_RELOAD_ADDRESS.
1314 * tm.texi (LEGITIMIZE_RELOAD_ADDRESS): Note that this macro must be
1315 able to handle addresses created by previous invocations of the macro.
1317 * flow.c (find_auto_inc): Remove most recent change. Real bug was
1320 * cse.c (count_reg_usage): Count registers used in addresses of
1323 Wed Jul 8 15:08:29 1998 Jim Wilson <wilson@cygnus.com>
1325 * Makefile.in (STAGESTUFF): Readd line lost during June 9 FSF merge.
1327 * configure.in (mips64orion-*-rtems*): Use elf64.h not elfl64.h.
1329 1998-07-08 Vladimir N. Makarov <vmakarov@cygnus.com>
1331 * config/fp-bit.c (__gexf2, __fixxfsi, __floatsixf): Add function
1334 * toplev.c (lang_options): Add -Wlong-long, -Wno-long-long
1336 * c-decl.c (warn_long_long): Define.
1337 (c_decode_option): Parse -Wlong-long, -Wno-long-long options.
1338 (grokdeclarator): Add flag `warn_long_long' as guard for
1339 warning "ANSI C does not support `long long'".
1340 * invoke.texi: Add description of options -Wlong-long,
1342 * gcc.1: The same as above.
1344 Wed Jul 8 02:43:34 1998 Jeffrey A Law (law@cygnus.com)
1346 * rtlanal.c (reg_overlap_mentioned_p): Handle STRICT_LOW_PART. If
1347 either argument is CONSTANT_P, then return zero.
1348 * reload.c (reg_overlap_mentioned_for_reload_p): Similarly.
1350 * configure.in: Also look at $srcdir/gas/configure to find a
1353 Wed Jul 8 00:28:22 1998 Carlo Wood <carlo@runaway.xs4all.nl>
1355 * dsp16xx.h : Clean up of macro OPTIMIZATION_OPTIONS
1357 Tue Jul 7 21:18:14 1998 Mumit Khan <khan@xraylith.wisc.edu>
1359 * i386/cygwin32.h (ASM_DECLARE_FUNCTION_NAME): Merge duplicate
1360 definitions from last two patches.
1362 Tue Jul 7 23:03:34 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1364 * reload1.c (choose_reload_regs): Don't set reload_override_in
1365 if EQUIV is clobbered in INSN and the reload is done after INSN.
1367 Tue Jul 7 21:23:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1369 * expr.c (emit_queue): If emitting a SEQUENCE, set QUEUED_INSN
1370 to the first insn of the sequence.
1372 Tue Jul 7 21:05:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1374 * cse.c (cse_insn): Don't make change without validation.
1376 Tue Jul 7 11:40:05 1998 Jeffrey A Law (law@cygnus.com)
1378 * mn10200.md (various zero/sign extension patterns): zero and sign
1379 extensions which use "sub" clobber cc0.
1381 Tue Jul 7 09:12:08 PDT 1998 Jeff Law (law@cygnus.com)
1383 * version.c: Bump for snapshot.
1385 Tue Jul 7 10:07:20 1998 Jeffrey A Law (law@cygnus.com)
1387 * print-rtl.c (print_rtx): Use REAL_VALUE_TYPE instead of "double".
1389 Tue Jul 7 08:41:27 1998 Richard Henderson (rth@cygnus.com)
1391 * print-rtl.c (print_rtx): Only print fp values when REAL_VALUE_TYPE
1394 Tue Jul 7 00:31:58 PDT 1998 Jeff Law (law@cygnus.com)
1396 * version.c: Bump for snapshot.
1398 Tue Jul 7 01:03:03 1998 Mumit Khan <khan@xraylith.wisc.edu>
1400 Support for dllimport and dllexport attributes for i386-pe.
1402 * tree.h (DECL_NON_ADDR_CONST_P): New accessor macro.
1403 (struct tree_decl): Add non_addr_const_p field.
1404 * tree.c (staticp): Use.
1406 * i386/cygwin32.h (CPP_PREDEFINES): Map __declspec(x) to GCC
1408 (SUBTARGET_SWITCHES): Switches to turn on/off dllimport|export
1409 attributes. Also accept -mwindows option.
1410 (VALID_MACHINE_DECL_ATTRIBUTE): New macro.
1411 (MERGE_MACHINE_DECL_ATTRIBUTE): New macro.
1412 (REDO_SECTION_INFO_P): New macro.
1413 (DRECTVE_SECTION_FUNCTION): New macro.
1414 (drectve_section): Cover function to implement above.
1415 (SWITCH_TO_SECTION_FUNCTION): New macro.
1416 (switch_to_section): Covert function to implement above.
1417 (EXTRA_SECTIONS): Add in_drectve.
1418 (EXTRA_SECTION_FUNCTIONS): Add in_drectve and switch_to_section.
1419 (ENCODE_SECTION_INFO): Delete old macro and redefine as a function.
1420 (STRIP_NAME_ENCODING): Handle new attributes.
1421 (ASM_OUTPUT_LABELREF): New macro.
1422 (ASM_OUTPUT_FUNCTION_NAME): New macro.
1423 (ASM_OUTPUT_COMMON): New macro.
1424 (ASM_OUTPUT_DECLARE_OBJECT_NAME): New macro.
1426 * i386/mingw32.h (CPP_PREDEFINES): Map __declspec(x) to GCC
1429 * i386/winnt.c (i386_pe_valid_decl_attribute_p): New function.
1430 (i386_pe_merge_decl_attributes): New function.
1431 (i386_pe_check_vtable_importexport): New function.
1432 (i386_pe_dllexport_p): New function.
1433 (i386_pe_dllimport_p): New function.
1434 (i386_pe_dllexport_name_p): New function.
1435 (i386_pe_dllimport_name_p): New function.
1436 (i386_pe_mark_dllexport): New function.
1437 (i386_pe_mark_dllimport): New function.
1438 (i386_pe_encode_section_info): New function.
1439 (i386_pe_unique_section): Strip encoding from name first.
1441 Tue Jul 7 00:50:17 1998 Manfred Hollstein (manfred@s-direktnet.de)
1443 * libgcc2.c (L_exit): Provide a fake for atexit on systems which
1444 define ON_EXIT but not HAVE_ATEXIT.
1446 Tue Jul 7 00:44:35 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1448 * m68k.md (zero_extend QI to HI): Correctly handle TARGET_5200.
1450 Tue Jul 7 00:36:41 1998 Ulrich Drepper <drepper@cygnus.com>
1452 * i386.c: Remove random whitespace at end of lines.
1454 * i386.c (ix86_epilogue): For pentium processors, try to deallocate
1455 4 or 8 byte stacks with pop instructions instead of an add instruction.
1457 Tue Jul 7 00:30:08 1998 Klaus Kaempf <kkaempf@rmi.de>
1459 * alpha.c: Include tree.h before expr.h.
1461 Mon Jul 6 22:50:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1463 * c-parse.in (struct_head, union_head, enum_head): New nonterminals.
1464 (structsp): Use them. Update files generated from c-parse.in.
1465 * extend.texi (Type Attributes): Document it.
1467 * c-decl.c: Add warn_multichar.
1468 (c_decode_option): Handle -Wno-multichar.
1469 * c-lex.c (yylex): Check it.
1470 * c-tree.h: Declare it.
1471 * toplev.c (lang_options): Add it.
1472 * invoke.texi: Document it.
1474 Mon Jul 6 22:47:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1476 * reload.c (find_equiv_reg): When looking for stack pointer + const,
1477 make sure we don't use a stack adjust.
1479 * reload.c (find_equiv_reg): If need_stable_sp is set,
1480 check if stack pointer is changed directly.
1482 * reload1.c (delete_dead_insn): Don't delete feeding insn
1483 if that insn has side effects.
1485 * flow.c (find_auto_inc): Clear UNCHANGING bit of register that is
1488 * reload1.c (reload_reg_free_before_p): RELOAD_FOR_OPADDR_ADDR
1489 precedes RELOAD_FOR_OUTADDR_ADDRESS.
1491 * gcse.c (hash_scan_insn): New argument IN_LIBCALL_BLOCK. Changed
1494 Mon Jul 6 22:21:56 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1496 * m68k.c (output_scc_di): Use cmpw #0 instead of tstl when
1497 testing address registers on the 68000.
1499 Mon Jul 6 22:17:19 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
1501 * i386.c (is_fp_test): Fix thinko.
1503 * jump.c (jump_optimize) Check for CONST_INT before using INTVAL.
1505 Mon Jul 6 22:14:31 1998 Richard Henderson (rth@cygnus.com)
1507 * print-rtl.c (print_rtx): Display the real-value equivalent of
1508 a const_double when easy.
1510 * real.h (REAL_VALUE_TO_TARGET_SINGLE): Use a union to pun types.
1511 Zero memory first for predictability.
1512 (REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
1513 * varasm.c (immed_real_const_1): Notice width of H_W_I == double.
1515 * regclass.c (allocate_reg_info): Initialize the entire reg_data
1518 Mon Jul 6 22:09:32 1998 Ian Lance Taylor <ian@cygnus.com>
1519 Jeff Law <law@cygnus.com>
1522 * i386/cygwin32.h: Add some declaration of external functions.
1523 (ASM_DECLARE_FUNCTION_NAME): Define.
1524 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1525 (ASM_FILE_END): Define.
1526 * i386/winnt.c (i386_pe_declare_function_type): New function.
1527 (struct extern_list, extern_head): Define.
1528 (i386_pe_record_external_function): New function.
1529 (i386_pe_asm_file_end): New function.
1531 * cpplib.c (cpp_options_init): Initialize cplusplus_comments to 1,
1532 matching July 18, 1995 change to cccp.c. If -traditional then
1533 disable cplusplus_comments.
1535 Mon Jul 6 21:28:14 1998 Jeffrey A Law (law@cygnus.com)
1537 * combine.c (expand_compound_operation): Fix thinko in code to optimize
1538 (zero_extend:DI (subreg:SI (foo:DI) 0)) to foo:DI.
1540 * Disable the following change from gcc2. Not appropriate for egcs:
1542 Sun Jun 7 09:30:31 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1543 * reload.c (find_reloads): Give preference to pseudo that was the
1544 reloaded output of previous insn.
1546 Mon Jul 6 21:07:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1548 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): Don't define HOST_PTR_PRINTF.
1549 Instead, define a new macro HAVE_PRINTF_PTR which only signifies
1550 whether we have the %p format specifier or not.
1552 * acconfig.h: Delete stub for HOST_PTR_PRINTF, add HAVE_PRINTF_PTR.
1554 * machmode.h (HOST_PTR_PRINTF): When determining the definition,
1555 check HAVE_PRINTF_PTR to see whether "%p" is okay.
1557 * mips-tfile.c: Include machmode.h to get HOST_PTR_PRINTF.
1559 * Makefile.in (mips-tfile.o): Depend on machmode.h.
1561 Mon Jul 6 10:42:05 1998 Mark Mitchell <mark@markmitchell.com>
1563 * jump.c (duplicate_loop_exit_test): Don't refuse to copy a
1564 section of code just because it contains
1565 NOTE_INSN_BLOCK_{BEG,END}.
1566 * stmt.c (expand_end_loop): Likewise. Also, don't refuse to
1567 move CALL_INSNs or CODE_LABELs. When moving code, don't move
1568 NOTE_INSN_BLOCK_{BEG,END}.
1570 Mon Jul 6 09:38:15 1998 Mark Mitchell <mark@markmitchell.com>
1572 * cse.c (CSE_ADDRESS_COST): New macro, based on ADDRESS_COST, but
1573 dealing with ADDRESSOF.
1574 (find_best_addr): Use it.
1576 Mon Jul 6 09:27:08 1998 Richard Henderson <rth@cygnus.com>
1578 * alpha/vms.h (TRAMPOLINE_TEMPLATE): Revert last change.
1580 Mon Jul 6 09:25:06 1998 Dave Love <d.love@dl.ac.uk>
1582 * libgcc2.c (__eprintf): Make args consistent with prototype in
1585 Mon Jul 6 00:28:43 1998 Mark Mitchell <mark@markmitchell.com>
1587 * cse.c (cse_insn): When SETting (MEM (ADDRESSOF (X))) to Y,
1588 don't claim that the former is equivalent to the latter.
1590 Sun Jul 5 23:58:19 1998 Jeffrey A Law (law@cygnus.com)
1592 * cse.c (cse_insn): Second arg is an RTX now. Update all callers.
1593 (cse_basic_block): Keep track of the current RETVAL insn for a
1594 libcall instead of just noting that we're in a libcall.
1596 * combine.c (simplify_comparison): Do not commute a AND into
1597 a paradoxical SUBREG if not WORD_REGISTER_OPERATIONS.
1599 * i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Protect with
1600 HAVE_GAS_MAX_SKIP_P2ALIGN.
1601 * i386/linux.h: Likewise.
1603 Fri Jul 3 02:33:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1605 * sparc.c (sparc_operand, move_operand, arith_operand,
1606 arith11_operand, arith10_operand, arith_double_operand,
1607 arith11_double_operand, arith10_double_operand, small_int,
1608 uns_small_int): Recognize CONSTANT_P_RTX.
1609 (output_sized_memop, output_move_with_extension,
1610 output_load_address, output_size_for_block_move,
1611 output_block_move, delay_operand): Remove, has not been
1612 enabled or referenced for years.
1613 * sparc.md (movstrsi, block_move_insn): Likewise.
1614 * sparc.h (PREDICATE_CODES): Define.
1615 * linux-aout.h (MACHINE_STATE_{SAVE,RESTORE}): Override with
1616 version which uses getcc/setcc traps to save/restore condition
1618 * linux64.h: Likewise.
1619 * sunos4.h: Likewise.
1620 * linux.h: Likewise.
1622 * sun4o3.h: Likewise.
1624 Fri Jul 3 02:28:05 1998 Richard Henderson <rth@cygnus.com>
1626 * alpha.c (alpha_initialize_trampoline): Hack around Pmode/ptr_mode
1627 lossage on VMS. Reported by kkaempf@rmi.de.
1628 * alpha/vms.h (TRAMPOLINE_TEMPLATE): Add missing 0.
1630 Thu Jul 2 17:41:14 1998 Nick Clifton <nickc@cygnus.com>
1632 * config/m32r/m32r.h (MUST_PASS_IN_STACK): Override default
1635 Thu Jul 2 14:34:48 1998 David Edelsohn <edelsohn@mhpcc.edu>
1637 * expr.h (STACK_SIZE_MODE): New macro.
1638 * explow.c (allocate_dynamic_stack_space): Use it for
1639 mode of allocate_stack pattern increment operand.
1640 * tm.texi (STACK_SAVEAREA_MODE, STACK_SIZE_MODE): Document.
1641 * md.texi (stack_save_block, ...): Reflect use of macro.
1643 * rs6000.h (PROMOTE_MODE): Always promote to word_mode.
1644 (PROMOTE_FUNCTION_ARGS): Define.
1645 (PROMOTE_FUNCTION_RETURN): Define.
1646 (FUNCTION_VALUE): Promote to word_mode if smaller.
1647 Convert to gen_rtx_FOO.
1648 * rs6000.md (call_indirect): Store doubleword in 64-bit mode.
1649 Convert to gen_rtx_FOO.
1650 * rs6000.c: Convert to gen_rtx_FOO.
1652 Thu Jul 2 14:16:11 1998 Michael Meissner <meissner@cygnus.com>
1654 * varray.{c,h}: New files to provide virtual array support.
1656 * Makefile.in (OBJS): Add varray.o.
1657 (varray.o): Add new file.
1658 (REGS_H): New variable for dependencies for files including
1659 regs.h. Add varray.h and files it includes. Change all regs.h
1660 dependencies to $(REGS_H).
1662 * toplev.c (x{m,re}alloc): If size is 0, allocate 1 byte.
1663 (xcalloc): Provide frontend for calloc.
1664 * {tree,rtl}.h (xcalloc): Add declaration.
1666 * basic-block.h (REG_BASIC_BLOCK): Convert reg_n_info to be a
1669 * regs.h (toplevel): Include varray.h.
1670 (reg_n_info): Switch to use a varray.
1672 (allocate_reg_info): Change num_regs argument to be size_t.
1674 * regclass.c (reg_info_data): New structure to remember groups of
1675 reg_info structures allocated that are to be zeroed.
1676 ({pref,alt}class_buffer): New statics to hold buffers
1677 allocate_reg_info allocates for {pref,alt}class_buffer.
1678 (regclass): Use {pref,alt}class_buffer to initialize
1680 (allocate_reg_info): Switch to make reg_n_info use varrays.
1681 Allocate buffers for the preferred and alter register class
1682 information. Change num_regs argument to be size_t, not int.
1684 * flow.c (reg_n_info): Switch to use varrays.
1686 Thu Jul 2 10:11:47 1998 Robert Lipe <robertl@dgii.com>
1688 * install.texi (sco3.2v5): Document new --with-gnu-as flag.
1689 * config/i386/sco5.h (JUMP_TABLES_IN_TEXT_SECTION): Defined as
1691 (USE_GAS): Conditionalize away native assembler usage.
1692 * config/i386/sco5gas.h: New file.
1693 * config/i386/t-sco5gas: New file.
1694 * configure.in (ix86-sco3.2v5*): Use new files if --with-gnu-as
1696 Thu Jul 2 08:20:00 1998 Catherine Moore <clm@cygnus.com>
1698 * haifa-sched.c (alloc_EXPR_LIST): Change to use
1701 Thu Jul 2 14:13:28 1998 Dave Love <d.love@dl.ac.uk>
1703 * Makefile.in (install-info): Don't use $realfile. Ignore
1704 possible errors from the install-info program.
1706 Thu Jul 2 01:53:32 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
1708 * combine.c (simplify_comparison): Apply SUBREG_REG to SUBREGs.
1710 Wed Jul 1 23:06:03 1998 Richard Henderson <rth@cygnus.com>
1712 * i386.h (HARD_REGNO_MODE_OK): Kill spurrious test.
1713 (MODES_TIEABLE_P): Tie SImode and HImode.
1715 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
1717 * invoke.texi (Optimize Options): Fix typo.
1719 Wed Jul 1 22:25:43 1998 Jim Wilson <wilson@cygnus.com>
1721 * xcoffout.c (xcoffout_begin_function): Call xcoffout_block for
1724 Wed Jul 1 23:12:58 1998 Ken Raeburn <raeburn@cygnus.com>
1726 * h8300.c (print_operand): Delete %L support.
1727 * h8300.md (branch_true, branch_false): Use %= with a prefix
1728 instead of %L for local branch labels.
1730 Wed Jul 1 21:27:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1732 * reload1.c (emit_reload_insns): Use proper register classes for
1733 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_MEMORY_NEEDED code.
1735 Wed Jul 1 21:17:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1737 * reload.c (find_reloads): If there are multiple
1738 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_OUTPUT_ADDRESS reloads for
1739 one operand, change RELOAD_FOR_INPADDR_ADDRESS /
1740 RELOAD_FOR_OUTADDR_ADDRESS for all but the first
1741 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_OUTPUT_ADDRESS reloads.
1743 Wed Jul 1 17:23:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1745 * regmove.c (fixup_match_2): Check that P has RTX_CLASS 'i' before
1748 Wed Jul 1 05:04:41 1998 Richard Henderson <rth@cygnus.com>
1750 * expr.c (emit_group_load, emit_group_store): Rewrite considering
1751 the size and alignment of the structure being manipulated.
1752 * expr.c, calls.c, function.c: Update all callers.
1753 * expr.h: Update prototypes.
1754 * cse.c (invalidate): Cope with parallels.
1756 Wed Jul 1 04:22:23 1998 Richard Henderson <rth@cygnus.com>
1758 * sparc.c (function_arg_record_value): Take a MODE arg with which to
1759 create the PARALLEL. Update all callers.
1761 Wed Jul 1 04:10:35 1998 Richard Henderson <rth@cygnus.com>
1763 * expr.c (expand_assignment, store_constructor, expand_expr): Use
1764 convert_memory_address instead of convert_to_mode when possible.
1766 Wed Jul 1 03:48:00 1998 Richard Henderson <rth@cygnus.com>
1768 * alpha.c (alpha_initialize_trampoline): Take arguments describing
1769 the layout. Use ptr_mode. Disable hint generation. Use gen_imb.
1770 * alpha.h (INITIALIZE_TRAMPOLINE): Pass extra args to the init func.
1771 (TRANSFER_FROM_TRAMPOLINE): Move ...
1772 * alpha/osf.h: ... here.
1773 * alpha/vms.h (INITIALIZE_TRAMPOLINE): Use alpha_initialize_trampoline.
1774 (TRANSFER_FROM_TRAMPOLINE): Remove undef.
1775 * alpha/win-nt.h: Likewise.
1776 * alpha/vxworks.h: Likewise.
1778 * alpha/linux.h: Revert gcc2 merge lossage.
1780 Wed Jul 1 10:56:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1782 * c-decl.c (grokdeclarator): Don't warn about implicit int in
1783 `typedef foo = bar'.
1785 Wed Jul 1 02:12:33 1998 Robert Lipe <robertl@dgii.com>
1787 * i386.c (asm_output_function_prefix): Make 686 function
1788 prologues not issue .types for non-global lables.
1790 Tue Jun 30 23:46:53 1998 Dmitrij Tejblum <tejblum@arc.hq.cti.ru>
1792 * i386/freebsd.h (WCHAR_TYPE): Chagne to an "int".
1793 (WCHAR_TYPE_SIZE): Update appropriately.
1795 Tue Jun 30 23:16:39 1998 Jeffrey A Law (law@cygnus.com)
1797 * flow.c (recompute_reg_usage): Does not return a value.
1798 * rtl.h (recompute_reg_usage): Update prototype.
1800 * jump.c (jump_optimize): Show that the jump chain is not
1801 valid when not optimizing.
1803 Tue Jun 30 16:01:01 1998 Richard Henderson <rth@cygnus.com>
1805 * rtl.def (CONSTANT_P_RTX): New.
1806 * rtl.h (CONSTANT_P): Recognize it.
1807 * cse.c (fold_rtx): Eliminate it.
1808 * expr.c (can_handle_constant_p): New variable.
1809 (init_expr_once): Initialize it.
1810 (expand_builtin): Generate CONSTANT_P_RTX if the expression is not
1811 immediately recognizable as a constant.
1813 * alpha.c (reg_or_6bit_operand): Recognize CONSTANT_P_RTX.
1814 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
1815 (sext_add_operand, and_operand, or_operand): Likewise.
1816 (reg_or_cint_operand, some_operand, input_operand): Likewise.
1817 * alpha.h (PREDICATE_CODES): Add CONSTANT_P_RTX where needed.
1819 1998-06-30 Benjamin Kosnik <bkoz@bliss.nabi.net>
1821 * dbxout.c (dbxout_type_methods): Remove warn_template_debugging.
1823 Tue Jun 30 14:03:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1825 * aclocal.m4 (GCC_NEED_DECLARATION): Accept an optional second
1826 argument, which is typically preprocessor code used to draw in
1827 additional header files when looking for a function declaration.
1828 (GCC_NEED_DECLARATIONS): Likewise.
1830 * configure.in (GCC_NEED_DECLARATIONS): Add checks for getrlimit
1831 and setrlimit, search for them in sys/resource.h.
1833 * acconfig.h: Add stubs for NEED_DECLARATION_GETRLIMIT and
1834 NEED_DECLARATION_SETRLIMIT.
1836 * system.h: Prototype getrlimit/setrlimit if necessary.
1838 Tue Jun 30 10:54:48 1998 Mark Mitchell <mark@markmitchell.com>
1840 * rtl.texi: Don't say that RTX_INTEGRATED_P is not depended
1843 Tue Jun 30 13:11:42 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1845 * rs6000/sysv4.h (asm output): add tabs for asm directives.
1847 Tue Jun 30 13:11:42 1998 David Edelsohn <edelsohn@mhpcc.edu>
1849 * Makefile.in (FLAGS_TO_PASS): Set AR_FLAGS to AR_FOR_TARGET_FLAGS.
1851 Tue Jun 30 08:59:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1853 * gansidecl.h (ATTRIBUTE_UNUSED): Use __unused__ not `unused'.
1854 Don't define NULL here. Also, remove all vestiges of autoconf
1855 based checks for bcmp/bcopy/bzero/index/rindex.
1857 * system.h: Immediately after including stdio.h, check for and if
1858 necessary provide a default definition of NULL.
1860 Tue Jun 30 08:22:05 1998 Michael Meissner <meissner@cygnus.com>
1862 * reload1.c (reload_cse_simplify_operands): Call
1863 fatal_insn_not_found, not abort.
1865 Tue Jun 30 02:34:02 1998 Jeffrey A Law (law@cygnus.com)
1867 * choose-temp.c (make_temp_file): Accept new argument for the
1868 file suffix to use. Allocate space for it and add it to the
1870 * mkstemp.c (mkstemps): Renamed from mkstemp. Accept new argument
1871 for the length of the suffix. Update template struture checks
1872 to handle optinal suffix.
1873 * collect2.c (make_temp_file): Update prototype.
1874 (main): Put proper suffixes on temporary files.
1875 * gcc.c (make_temp_file): Update prototype.
1876 (do_spec_1): Put proper suffixes on temporary files.
1878 Tue Jun 30 00:56:19 1998 Bruno Haible <haible@ilog.fr>
1880 * invoke.texi: Document new implicit structure initialization
1883 Mon Jun 29 22:12:06 1998 Jeffrey A Law (law@cygnus.com)
1885 * Merge from gcc2 June 9, 1998 snapshot. See ChangeLog.13 for
1888 * pa.c, pa.h, pa.md: Convert to gen_rtx_FOO.
1890 Mon Jun 29 20:12:41 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1892 * Makefile.in (fix-header): Don't needlessly depend on cpperror.o.
1894 * alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Cast expansion to
1895 void since it is evaluated in a comma list.
1897 * mips.h (ASM_GENERATE_INTERNAL_LABEL): Always sprintf `NUM'
1898 argument as a long and cast `NUM' to long to ensure it is of the
1899 proper width. Wrap macro arguments in parens when they appear in
1902 * sol2.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1904 * sparc.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1905 (ASM_DECLARE_RESULT): Fix fprintf format specifier to match
1906 function argument return type.
1907 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_FP_P,
1908 REGNO_OK_FOR_CCFP_P): Use `(unsigned)' not `U'.
1910 * cpplib.c (cpp_message_from_errno): Remove unneeded argument to
1913 * dbxout.c: Fix the comments after an #endif to reflect the actual
1914 condition tested in the preceding #if.
1916 * except.c (find_all_handler_type_matches): Switch to old-style
1917 function definition.
1919 * expr.c (expand_builtin): Remove unused variable `type' twice.
1921 * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Cast -1 before comparing it
1922 to an unsigned long.
1924 * haifa-sched.c (print_insn_chain): Remove unused function.
1926 * objc/objc-act.c (build_msg_pool_reference): Hide prototype and
1929 * toplev.c: When testing whether to include dbxout.h, also include
1930 it when XCOFF_DEBUGGING_INFO is defined.
1932 * unroll.c (unroll_loop): Add parentheses around assignment used
1935 Mon Jun 29 12:18:00 1998 Catherine Moore <clm@cygnus.com>
1937 * config/lb1spc.asm (.div, .udiv): Replace routines.
1939 Mon Jun 29 09:44:24 1998 Mark Mitchell <mark@markmitchell.com>
1941 * rtl.h: Update comment about special gen_rtx variants.
1942 * emit-rtl.c (gen_rtx): Handle MEMs using gen_rtx_MEM.
1944 Sun Jun 28 20:58:51 1998 Jeffrey A Law (law@cygnus.com)
1946 * choose-temp.c (choose_temp_base): Restore original variant of
1947 this function for compatibility.
1948 (make_temp_file): This is the new, preferred interface to create
1950 * collect2.c (choose_temp_base): Delete declaration.
1951 (make_temp_file): Declare.
1952 (temp_filename_length, temp_filename): Delete.
1953 (main): Use make_temp_file to get temporary files. Use --lang-c
1954 to force the resulting ctort/dtor file to be compiled with the C
1955 compiler. Make sure to remove temporary files on all exit paths.
1956 * gcc.c (make_temp_file): Provide prototype if MKTEMP_EACH_FILE is
1958 (choose_temp_base): Only provide prototype if MKTEMP_EACH_FILE is
1960 (do_spec): Use make_temp_file if MKTEMP_EACH_FILE is defined.
1962 Sun Jun 28 08:57:09 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1964 * configure.in (GCC_NEED_DECLARATIONS): Add strerror, getcwd and
1967 * acconfig.m4: Add stubs for NEED_DECLARATION_STRERROR,
1968 NEED_DECLARATION_GETCWD and NEED_DECLARATION_GETWD.
1970 * cccp.c: Remove strerror()/sys_nerr/sys_errlist decls.
1971 (my_strerror): Add prototype and make it static.
1973 * collect2.c: Likewise.
1975 * cpplib.c: Likewise.
1977 * gcc.c: Likewise, but keep `my_strerror' extern.
1979 * protoize.c: Likewise.
1981 * pexecute.c (my_strerror): Add argument to prototype.
1983 * system.h: Add prototypes for getcwd, getwd and strerror. Add
1984 extern decls for sys_nerr and sys_errlist. Make abort decl
1987 * getpwd.c: Remove decls for getwd and getcwd.
1989 Sun Jun 28 02:11:16 PDT 1998 Jeff Law (law@cygnus.com)
1991 * version.c: Bump for snapshot.
1993 Sat Jun 27 23:32:25 1998 Richard Henderson <rth@cygnus.com>
1995 * jump.c (jump_optimize): Use side_effects_p & may_trap_p instead
1996 of rtx_unsafe_p. Use modified_between_p instead of reg_set_between_p.
1997 Allow FP moves to be optimized.
1998 (rtx_unsafe_p): Delete.
2000 Sat Jun 27 23:02:04 1998 Richard Henderson <rth@cygnus.com>
2002 * objc/archive.c: Remove <string.h> prototypes.
2004 Sat Jun 27 22:37:05 1998 Jeffrey A Law (law@cygnus.com)
2006 * tm.texi (NEED_MATH_LIBRARY): Document new target macro.
2008 * Makefile.in (gencheck): Remove $(TREE_H) dependency.
2010 Sat Jun 27 20:20:00 1998 John Carr <jfc@mit.edu>
2012 * dsp16xx.h (FIRST_PSEUDO_REGISTER): Add parentheses to definition.
2013 * dsp16xx.c (next_cc_user_unsigned): New function.
2014 Remove save_next_cc_user_code.
2015 (print_operand): Use HOST_WIDE_INT_PRINT_* macros.
2016 * dsp16xx.md: Call next_cc_user_unsigned instead of using
2017 save_next_cc_user_code.
2018 Use gen_rtx_* functions instead of gen_rtx.
2020 Sat Jun 27 20:18:34 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2022 * rs6000.h: Add trap_comparison_operator to PREDICATE_CODES.
2024 Sat Jun 27 16:45:42 1998 Jeffrey A Law (law@cygnus.com)
2026 * flow.c (count_reg_sets): New function.
2027 (count_reg_sets_1, count_ref_references): Likewise.
2028 (recompute_reg_usage): Likewise.
2029 * rtl.h (recompute_reg_usage): Add prototype.
2030 * toplev.c (rest_of_compilation): Call recompute_reg_usage just
2031 before local register allocation.
2033 Sat Jun 27 13:15:30 1998 Richard Henderson <rth@cygnus.com>
2035 * alpha.md (negsf, negdf): Revert Jan 22 change.
2037 Sat Jun 27 07:35:21 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2039 * mkstemp.c: Include gansidecl.h. Rename uint64_t to gcc_uint64_t.
2040 (mkstemp): Remove size specifier for variable `letters'. Call
2041 gettimeofday, not __gettimeofday.
2043 * Makefile.in (EXPR_H): New dependency variable.
2044 (c-typeck.o): Depend on $(EXPR_H) instead of expr.h.
2045 (c-iterate.o): Likewise.
2046 (gencheck): Depend on $(TREE_H) instead of tree.h, etc.
2047 (stor-layout.o): Depend on $(EXPR_H) instead of expr.h.
2048 (toplev.o): Likewise. Also depend on $(RECOG_H) instead of recog.h.
2049 (varasm.o): Depend on $(EXPR_H) instead of expr.h.
2050 (function.o): Likewise.
2052 (except.o): Likewise.
2054 (calls.o): Likewise.
2055 (expmed.o): Likewise.
2056 (explow.o): Likewise.
2057 (optabs.o): Likewise.
2058 (sdbout.o): Likewise.
2059 (dwarf2out.o): Likewise.
2060 (emit-rtl.o): Likewise.
2061 (integrate.o): Likewise.
2064 (gcse.o): Likewise. Also depend on $(BASIC_BLOCK_H) instead of
2066 (loop.o): Depend on $(EXPR_H) instead of expr.h.
2067 (unroll.o): Likewise.
2068 (combine.o): Likewise.
2069 (reload.o): Likewise.
2070 (reload1.o): Likewise.
2071 (caller-save.o): Likewise.
2072 (reorg.o): Likewise.
2073 (alias.o): Don't depend on insn-codes.h.
2074 (regmove.o): Depend on $(RECOG_H)/$(EXPR_H) instead of recog.h/expr.h.
2075 (insn-emit.o): Depend on $(EXPR_H) instead of expr.h.
2076 (insn-opinit.o): Likewise.
2078 Sat Jun 27 01:35:14 1998 Jeffrey A Law (law@cygnus.com)
2080 * choose-temp.c (choose_temp_base): Remove MPW bits. Use mkstemp
2082 * gcc.c (MKTEMP_EACH_FILE): Define.
2083 (main): No need to call choose_temp_base if we are going to
2084 use choose_temp_base to create each file later.
2085 * mkstemp.c: New file. Adapted from glibc.
2086 * Makefile.in (xgcc, colect2, protoize, unprotoize): Link in mkstemp.o
2087 (mkstemp.o): Add dependencies.
2089 * configure.in (gettimeofday): Check for its existance.
2090 * config.in (HAVE_GETTIMEOFDAY): Define.
2091 * configure: Rebuilt.
2093 1998-06-26 Michael Meissner <meissner@cygnus.com>
2095 * rs6000.md (ne 0, non power case): Add missing & constraint.
2097 (negative abs insns): Add pattern names.
2099 Fri Jun 26 17:36:42 1998 Dave Love <d.love@dl.ac.uk>
2101 * Makefile.in (install-info): Run install-info program in separate
2104 Fri Jun 26 16:03:15 1998 Michael Meissner <meissner@cygnus.com>
2106 * haifa-sched.c (schedule_block): Add hooks for the machine
2107 description to reorder the ready list, and update how many more
2108 instructions can be issued this cycle.
2109 * tm.texi (MD_SCHED_{INIT,REORDER,VARIABLE_ISSUE}): Document.
2111 Fri Jun 26 11:54:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2113 * config/sparc/sparc.h (REGNO_OK_FOR_{INDEX,BASE,FP,CCFP}_P):
2114 Explicitly mark the constant being compared against as unsigned.
2115 * config/sparc/sparc.c (sparc_select, cpu_default, cpu_table):
2116 Fully initialize final members.
2117 (mem_aligned_8): Explicit init of offset to zero.
2118 (output_function_prologue): Explicit init of n_regs to zero.
2119 (output_function_epilogue): Likewise, and mark arg size as
2121 (init_cumulative_args): Mark libname and indirect as unused.
2122 (function_arg_pass_by_reference): Likewise for cum and named.
2123 (sparc_builtin_saveregs): Likewise for arglist.
2124 (sparc_flat_eligible_for_epilogue_delay): Likewise for slot.
2126 Fri Jun 26 06:58:54 1998 Richard Earnshaw (rearnsha@arm.com)
2128 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Only need a secondary reload
2131 * arm.h (arm_adjust_cost): Renamed bogus prototype from
2133 (bad_signed_byte_operand): Add prototype.
2134 * arm.c (arm_override_options): Make I unsigned.
2135 (const_ok_for_arm): Add casts to the constants.
2136 (load_multiple_operation): Don't redeclare elt in sub-block.
2137 (arm_gen_movstrqi): Delete external declaration of optimize.
2138 (gen_compare_reg): Declare parameter fp.
2140 * arm.c (final_prescan_insn): Only initialize scanbody if the insn
2143 Fri Jun 26 09:31:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2145 * alpha.c: Include system.h and toplev.h.
2146 (cint8_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
2147 (const48_operand): Likewise.
2148 (mode_width_operand): Likewise.
2149 (mode_mask_operand): Likewise.
2150 (mul8_operand): Likewise.
2151 (current_file_function_operand): Likewise.
2152 (signed_comparison_operator): Likewise.
2153 (divmod_operator): Likewise.
2154 (any_memory_operand): Likewise.
2155 (alpha_return_addr): Likewise for parameter `frame'.
2156 (alpha_builtin_saveregs): Likewise for parameter `arglist'.
2157 (vms_valid_decl_attribute_p): Likewise for parameters `decl' and
2159 (alpha_start_function): Likewise for parameter `decl'. Use
2160 HOST_WIDE_INT_PRINT_DEC in call to fprintf. Fix various format
2161 specifiers. Remove unused variables `lab' and `name'.
2162 (alpha_end_function): Mark parameter `decl' with ATTRIBUTE_UNUSED.
2163 (check_float_value): Likewise for parameter `overflow'.
2164 (alpha_need_linkage): Likewise for parameters `name' and `is_local'.
2166 * alpha.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Define as
2168 (ASM_OUTPUT_SHORT): Cast argument to `int' in call to fprintf.
2169 (ASM_OUTPUT_CHAR): Likewise.
2170 (ASM_OUTPUT_BYTE): Likewise.
2171 (PRINT_OPERAND_ADDRESS): Use HOST_WIDE_INT_PRINT_DEC in call to
2173 (PUT_SDB_EPILOGUE_END): Mention argument `NAME' in definition.
2174 Add prototypes for functions in alpha.c.
2176 * alpha.md (ashldi3): Add default case in switch.
2178 1998-06-26 Manfred Hollstein <manfred@s-direktnet.de>
2180 * Makefile.in (gcc_version, gcc_version_trigger): New macros.
2181 (version): Initialize from $(gcc_version).
2183 * configure.in (version): Rename to gcc_version.
2184 (gcc_version_trigger): New variable; call AC_SUBST for it and
2185 emit it into the generated config.status.
2186 * configure: Regenerate.
2188 Thu Jun 25 12:47:41 1998 Mark Mitchell <mark@markmitchell.com>
2190 * fold-const.c (make_range): Don't go looking at TREE_OPERANDs of
2191 nodes that are not expressions.
2193 Thu Jun 25 15:08:16 1998 Mark Mitchell <mark@markmitchell.com>
2195 * invoke.texi (-fstrict-aliasing): Document.
2196 * rtl.texi (MEM_ALIAS_SET): Document.
2198 * flags.h (flag_strict_aliasing): Declare.
2199 * toplev.c (flag_strict_aliasing): Define.
2200 (f_options): Add -strict-aliasing.
2201 (main): Set flag_strict_aliasing if -O2 or higher.
2203 * tree.h (tree_type): Add alias_set field.
2204 (TYPE_ALIAS_SET): New macro.
2205 (TYPE_ALIAS_SET_KNOWN_P): Likewise.
2206 (get_alias_set): Declare.
2207 * tree.c (lang_get_alias_set): Define.
2208 (make_node): Initialize TYPE_ALIAS_SET.
2209 (get_alias_set): New function.
2210 * print-tree.c (print_node): Dump the alias set for a type.
2212 * c-tree.h (c_get_alias_set): Declare.
2213 * c-common.c (c_get_alias_set): New function.
2214 * c-decl.c (init_decl_processing): Set lang_get_alias_set.
2216 * expr.c (protect_from_queue): Propogage alias sets.
2217 (expand_assignment): Calculate alias set for new MEMs.
2218 (expand_expr): Likewise.
2219 * function.c (put_var_into_stack): Likewise.
2220 (put_reg_into_stack): Likewise.
2221 (gen_mem_addressof): Likewise.
2222 (assign_parms): Likewise.
2223 * stmt.c (expand_decl): Likewise.
2224 * varasm.c (make_decl_rtl): Eliminate redundant clearing of
2225 DECL_RTL. Calculate alias set for new MEMs.
2227 * rtl.def (REG): Add dummy operand.
2228 (MEM): Add extra operand to store the MEM_ALIAS_SET.
2229 * rtl.h (MEM_ALIAS_SET): New macro.
2230 (gen_rtx_MEM): Declare.
2231 * emit-rtl.c (gen_rtx_MEM): New function.
2232 * gengenrtl.c (sepcial_rtx): Make MEMs special.
2234 * alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): New macro.
2235 (DIFFERENT_ALIAS_SETS_P): Likewise.
2236 (canon_rtx): Propogate the alias set to the new MEM.
2237 (true_dependence): Check the alias sets.
2238 (anti_dependence): Likewise.
2239 (output_dependence): Likewise.
2240 * explow.c (stabilize): Progoate alias sets.
2241 * integrate.c (copy_rtx_and_substitute): Likewise.
2242 * final.c (alter_subreg): Make sure not to leave MEM_IN_STRUCT_P
2243 in an unpredictable state. Propogate alias sets.
2244 * reload1.c (reload): Clear MEM_ALIAS_SET for new MEMs about which
2245 we have no alias information.
2247 Thu Jun 25 16:59:18 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2249 * except.h (CATCH_ALL_TYPE): Definition moved to eh-common.h.
2250 (find_all_handler_type_matches): Add function prototype.
2251 * eh-common.h (CATCH_ALL_TYPE): Definition added.
2252 * except.c (find_all_handler_type_matches): Add function to find all
2253 runtime type info in the exception table.
2254 (output_exception_table_entry): Special case for CATCH_ALL_TYPE.
2256 Thu Jun 25 15:47:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2258 * Makefile.in (xcoffout.o): Depend on toplev.h, output.h and dbxout.h.
2260 * config/fp-bit.c (_fpmul_parts): Move variables `x', `ylow',
2261 `yhigh' and `bit' into the scope in which they are used.
2262 (_fpdiv_parts): Remove unused variables `low', `high', `r0', `r1',
2263 `y0', `y1', `q', `remainder', `carry', `d0' and `d1'.
2265 * rs6000.c: Move include of output.h below tree.h. Include toplev.h.
2266 (any_operand): Mark unused parameters `op' and `mode' with
2268 (count_register_operand): Likewise for parameter `mode'.
2269 (fpmem_operand): Likewise.
2270 (short_cint_operand): Likewise.
2271 (u_short_cint_operand): Likewise.
2272 (non_short_cint_operand): Likewise.
2273 (got_operand): Likewise.
2274 (got_no_const_operand): Likewise.
2275 (non_add_cint_operand): Likewise.
2276 (non_logical_cint_operand): Likewise.
2277 (mask_operand): Likewise.
2278 (current_file_function_operand): Likewise.
2279 (small_data_operand): Likewise for parameters `op' and `mode' but
2280 only when !TARGET_ELF.
2281 (init_cumulative_args): Mark parameters `libname' with
2283 (function_arg_pass_by_reference): Likewise for parameters `cum',
2285 (expand_builtin_saveregs): Likewise for parameter `args'.
2286 (load_multiple_operation): Likewise for parameter `mode'.
2287 (store_multiple_operation): Likewise.
2288 (branch_comparison_operator): Likewise.
2289 (secondary_reload_class): Likewise.
2290 (print_operand): Add parentheses around & operation.
2291 (output_prolog): Mark parameter `size' with ATTRIBUTE_UNUSED.
2292 (output_epilog): Likewise. Cast argument to fprintf to int.
2293 (rs6000_adjust_cost): Mark parameter `dep_insn' with ATTRIBUTE_UNUSED.
2294 (rs6000_valid_decl_attribute_p): Likewise for parameters `decl',
2295 `attributes', `identifier' and `args'.
2296 (rs6000_valid_type_attribute_p): Likewise for parameter `attributes'.
2297 (rs6000_comp_type_attributes): Likewise for parameters `type1' and
2299 (rs6000_set_default_type_attributes): Likewise for parameter `type'.
2301 * rs6000.h (RTX_COSTS): Add parentheses around & operation.
2302 (toc_section, private_data_section, trap_comparison_operator): Add
2305 * dbxout.h (dbxout_parms, dbxout_reg_parms, dbxout_syms): Add
2308 * xcoffout.c: Include toplev.h, outout.h and dbxout.h.
2310 * xcoffout.h (stab_to_sclass, xcoffout_begin_function,
2311 xcoffout_begin_block, xcoffout_end_epilogue,
2312 xcoffout_end_function, xcoffout_end_block,
2313 xcoff_output_standard_types, xcoffout_declare_function,
2314 xcoffout_source_line): Add prototypes.
2316 Thu Jun 25 09:54:55 1998 Nick Clifton <nickc@cygnus.com>
2318 * config/arm/arm.h (REG_ALLOC_ORDER): Add ARG_POINTER_REGNUM,
2319 noticed by grahams@rcp.co.uk.
2321 Thu Jun 25 11:12:29 1998 Dave Brolley <brolley@cygnus.com>
2323 * gcc.c (default_compilers): Use new | syntax to eliminate
2324 string concatenation.
2326 Thu Jun 25 01:00:48 1998 Richard Henderson <rth@cygnus.com>
2328 * alpha.c (alpha_function_name): Delete.
2329 (alpha_ra_ever_killed): Notice current_function_is_thunk.
2330 (alpha_sa_mask, alpha_sa_size, alpha_does_function_need_gp): Likewise.
2331 (alpha_start_function): Reorg from output_prologue.
2332 (alpha_end_function): Reorg from output_epilogue.
2333 * alpha.h (ASM_DECLARE_FUNCTION_NAME): Call alpha_start_function.
2334 (ASM_DECLARE_FUNCTION_SIZE): New.
2335 (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
2336 (PROFILE_BEFORE_PROLOGUE): Set.
2337 (ASM_OUTPUT_MI_THUNK): Remove bits now output by start/end_function.
2338 * alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
2340 Thu Jun 25 01:18:47 1998 John Wehle (john@feith.com)
2342 * i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.
2344 1998-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2346 * expr.c (expand_assignment): Rework address calculation for structure
2347 field members to expose more invariant computations to the loop
2349 (expand_expr): Likewise.
2351 Wed Jun 24 22:44:22 1998 Jeffrey A Law (law@cygnus.com)
2353 * local-alloc.c (block_alloc): Do not try to avoid false dependencies
2354 when SMALL_REGISTER_CLASSES is nonzero.
2356 Wed Jun 24 17:55:15 1998 Klaus Kaempf <kkaempf@progis.de>
2358 * alpha.md (call_vms, call_value_vms): Strip leading * from symbol.
2360 Wed Jun 24 16:27:23 1998 John Carr <jfc@mit.edu>
2362 * expr.c (get_memory_rtx): New function.
2363 (expand_builtin): Call get_memory_rtx for MEM arguments to builtin
2366 * expmed.c (init_expmed): Initialize all elements of *_cost arrays.
2368 * optabs.c: Use gen_rtx_FOO (...) instead of gen_rtx (FOO, ...).
2370 * explow.c: Likewise.
2371 * combine.c: Likewise.
2372 * reload1.c: Likewise.
2375 Wed Jun 24 15:13:01 1998 Dave Brolley <brolley@cygnus.com>
2377 * README.gnat: Add patch for new lang_decode_options interface.
2379 Wed Jun 24 09:14:04 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2381 * except.c (start_catch_handler): Do nothing if EH is not on.
2383 1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
2385 * configure.in (gxx_include_dir): Initialize default value depending on
2386 new flag --enable-version-specific-runtime-libs; remove superfluous
2387 default initialization afterwards.
2388 * configure: Regenerate.
2390 Wed Jun 24 01:32:12 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2392 * toplev.c (rest_of_compilation): Revert May 15 change.
2394 Tue Jun 23 21:27:27 1998 Ken Raeburn <raeburn@cygnus.com>
2396 * reload.c (find_reloads): Fix check for failure to match any
2397 alternative, to account for Mar 26 change in initial "best" cost.
2399 Tue Jun 23 16:44:21 1998 Dave Brolley <brolley@cygnus.com>
2401 * cpplib.c (do_line): Typo broke #line directive.
2402 (cpp_message_from_errno): New function.
2403 (cpp_error_from_errno): Call cpp_message_from_errno.
2404 * cpplib.h (cpp_message_from_errno): New function.
2406 Tue Jun 23 13:38:18 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2408 * libgcc2.c (__get_eh_table_version, __get_eh_table_language): New
2409 functions to return exception descriptor information.
2410 (find_exception_handler): Pass match_info field to runtime matcher,
2411 not a descriptor table entry.
2413 Tue Jun 23 09:30:58 1998 Dave Love <d.love@dl.ac.uk>
2415 * cpp.texi, gcc.texi: Add @dircategory, @direntry meant to
2416 accompany previous Makefile.in (install-info) change.
2418 Tue Jun 23 10:06:07 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2420 * eh-common.h (struct __eh_info): Remove coerced value field.
2421 * libgcc2.c (find_exception_handler): Don't set coerced_value field.
2422 * except.c (get_dynamic_handler_chain, get_dynamic_cleanup_chain): Use
2423 POINTER_SIZE instead of Pmode.
2424 (expand_start_all_catch): Call start_catch_handler() if we are not
2425 using new style exceptions.
2427 Tue Jun 23 06:45:00 1998 Catherine Moore <clm@cygnus.com>
2429 * varasm.c (assemble_variable): Remove reference to warn_bss_align.
2431 Mon Jun 22 23:57:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2433 * config/sparc/sparc.md (zero_extendhidi2, extendhisi2,
2434 extendqihi2, extendqisi2, extendqidi2, extendhidi2, adddi3,
2435 subdi3, negdi2, call, call_value, untyped_return, nonlocal_goto,
2436 splits and peepholes): Change remaining generic gen_rtx calls to
2437 specific genrtl ones.
2438 * config/sparc/sparc.c: Likewise.
2440 Mon Jun 22 22:21:46 1998 Richard Henderson <rth@cygnus.com>
2442 * gcc.c (handle_braces): Recognize | between options as an or.
2444 Mon Jun 22 23:13:47 1998 John Wehle (john@feith.com)
2446 * i386/freebsd-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Define as flag_pic.
2447 * i386/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Define as flag_pic.
2449 * i386.md (exception_receiver): Define.
2451 Mon Jun 22 12:01:48 1998 Jim Wilson <wilson@cygnus.com>
2453 * Makefile.in (PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME,
2454 PROTOIZE_CROSS_NAME, UNPROTOIZE_CROSS_NAME): New variables.
2455 (install-common): Use them.
2457 * gcse.c (add_label_notes): New function.
2458 (pre_insert_insn): Call it.
2459 * unroll.c (unroll_loop): Look for insns with a REG_LABEL note, and
2460 pass the label to set_label_in_map.
2462 Mon Jun 22 19:01:14 1998 Dave Love <d.love@dl.ac.uk>
2464 * Makefile.in (install-info): Fix typpo in previous change.
2466 Mon Jun 22 11:10:00 1998 Catherine Moore <clm@cygnus.com>
2468 * varasm.c (assemble_variable): Emit alignment warning.
2470 Mon Jun 22 08:18:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2472 * Makefile.in (varasm.o): Depend on sdbout.h.
2473 (sdbout.o): Depend on toplev.h.
2475 * collect2.c (scan_prog_file): Cast fprintf argument to `long' and
2478 * final.c (shorten_branches): Cast first arg of `bzero' to char *.
2480 * genextract.c (main): When creating insn-extract.c, mark variable
2481 `i' with ATTRIBUTE_UNUSED.
2483 * genpeep.c (main): When creating insn-peep.c, mark variables
2484 `insn', `x' and `pat' with ATTRIBUTE_UNUSED.
2486 * objc/init.c (__objc_tree_print): Wrap function definition in
2489 * objc/objc-act.c (encode_array): Cast sprintf argument to `long'
2490 and use %ld specifier.
2491 (adorn_decl): Likewise, twice.
2493 * reload1.c (reload_cse_regs): Cast first arg of `bzero' to char *.
2495 * sdbout.c: Include output.h and toplev.h.
2496 (PUT_SDB_INT_VAL): Use HOST_WIDE_INT_PRINT_DEV to print argument
2497 `a'. Cast `a' to HOST_WIDE_INT to force it to always be so.
2498 (PUT_SDB_SIZE): Likewise.
2500 * sdbout.h (sdbout_mark_begin_function): Add prototype.
2502 * stmt.c (check_for_full_enumeration_handling): Cast argument of
2503 `warning' to long and use %ld specifier.
2505 * toplev.c (main): Likewise for `fprintf'.
2507 * toplev.h (output_file_directive): Add prototype.
2509 * unroll.c (unroll_loop): Use HOST_WIDE_INT_PRINT_DEC specifier in
2511 (precondition_loop_p): Likewise.
2513 * varasm.c Include sdbout.h.
2514 (assemble_static_space): Move sometimes-unused variable `rounded'
2515 into the scope in which it is used.
2517 * mips.c (gpr_mode): Don't say `static' twice.
2519 * cpplib.c (cpp_handle_option): Don't pass unneeded NULL to cpp_fatal.
2521 * objc/objc-act.c (init_selector): Hide prototype and definition.
2523 * optabs.c (gen_cond_trap): Remove unused variable `icode'.
2525 * regmove.c (copy_src_to_dest): Likewise for `i'.
2527 * mips-tfile.c (add_local_symbol): Cast width format specifier to int.
2528 (add_ext_symbol): Likewise.
2529 (add_file): Likewise.
2530 (parse_def): Likewise.
2531 (write_varray): Use HOST_PTR_PRINTF to print a pointer. Fix
2532 remaining format specifiers and arguments.
2533 (write_object): Likewise, several times.
2534 (read_seek): Likewise.
2535 (out_of_bounds): Likewise.
2536 (allocate_cluster): Likewise.
2537 (xmalloc): Likewise.
2538 (xcalloc): Likewise.
2539 (xrealloc): Likewise.
2542 * mips-tdump.c (print_symbol): Likewise.
2544 Sun Jun 21 17:05:34 1998 Dave Love <d.love@dl.ac.uk>
2546 * Makefile.in (install-info): Use install-info program if
2547 available, per GNU standard.
2549 Sun Jun 21 18:56:44 1998 Jeffrey A Law (law@cygnus.com)
2551 * invoke.texi: Document -mrelax for the mn10300 and mn10200.
2553 * basic-block.h (init_regset_vector): Delete declaration.
2554 * flow.c (init_regset_vector): Make it static and add a prototype.
2556 * bitmap.h (debug_bitmap): Declare.
2558 * haifa-sched.c (debug_ready_list): Make static.
2560 * toplev.h (fancy_abort): Declare.
2562 Sun Jun 21 18:30:13 1998 H.J. Lu (hjl@gnu.org)
2564 * basic-block.h (init_regset_vector): New declaration.
2566 * Makefile.in (sdbout.o): Add insn-codes.h to dependency.
2568 * global.c: Include machmode.h amd move hard-reg-set.h before
2571 * haifa-sched.c (insn_issue_delay, birthing_insn_p,
2572 adjust_priority, print_insn_chaino): New declaration.
2573 (schedule_insns): Remove declaration.
2574 (init_target_units, get_visual_tbl_length,
2575 init_block_visualization): Add prototype.
2577 * integrate.c (pushdecl, poplevel): Remove declaration.
2579 * rtl.h (expand_expr): Remove declaration.
2581 * loop.c (oballoc): Remove declaration.
2582 (replace_call_address): Add prototype.
2584 Sun Jun 21 01:08:17 PDT 1998 Jeff Law (law@cygnus.com)
2586 * version.c: Bump for snapshot.
2588 Sun Jun 21 01:16:38 1998 John Wehle (john@feith.com)
2590 * i386.c (output_fp_conditional_move): Don't bother handling
2591 (cc_prev_status.flags && CC_NO_OVERFLOW) since the INSN patterns
2592 prevent this from happening.
2594 * i386.md (nonlocal_goto_receiver): Delete.
2596 Sun Jun 21 00:42:20 1998 H.J. Lu (hjl@gnu.org)
2598 * Makefile.in (crtbeginS.o, crtendS.o): Add -fno-exceptions and
2600 (INSTALL): cd $(srcdir) before make.
2602 * flow.c (allocate_for_life_analysis, init_regset_vector):
2605 * function.h (get_first_block_beg): New declaration.
2607 * gbl-ctors.h (__do_global_dtors): Add prototype.
2609 * gcov-io.h (__fetch_long): New declaration.
2610 (__store_long): Likewise.
2611 (__read_long): Likewise.
2612 (__write_long): Likewise.
2614 * gcov.c (print_usage): New declaration.
2616 * Makefile.in (c-iterate.o): Depend on insn-codes.h too.
2618 Sat Jun 20 00:36:16 1998 Jeffrey A Law (law@cygnus.com)
2620 * calls.c (expand_call): Initialize "src" and "dest".
2621 * stmt.c (expand_return): Likewise.
2622 * expmed.c (extract_split_bit_field): Similarly for "result"
2623 * gcse.c (compute_hash_table): Mark first arg as unused.
2624 * jump.c (jump_optimize): Initialize reversep.
2625 * tree.c (make_node): Initialize length.
2627 * c-common.c (check_format_info): Initialize length_char and
2628 fci to keep -Wall quiet.
2630 * except.c (jumpif_rtx): Put declaration and definition
2631 inside a suitable #ifdef.
2632 (jumpifnot_rtx): Delete dead function.
2634 * i386.h (output_int_conditional_move): Declare.
2635 (output_fp_conditional_move): Likewise.
2636 (ix86_can_use_return_insn_p): Likewise.
2638 * optabs.c (init_traps): Put prototype inside a suitable #ifdef.
2640 Sat Jun 20 00:27:40 1998 Graham <grahams@rcp.co.uk>
2642 * alias.c: Include toplev.h
2643 * caller-save.c: Include toplev.h
2644 * combine.c: Include toplev.h
2645 * flow.c Include toplev.h
2646 * global.c: Include toplev.h
2647 * jump.c: Include toplev.h
2648 * local-alloc.c: Include toplev.h
2649 * loop.c: Include toplev.h
2650 * regmove.c: Include toplev.h
2651 * stupid.c: Include toplev.h
2652 * unroll.c: Include toplev.h
2653 * Makefile.in: Add toplev.h dependencies.
2655 Fri Jun 19 22:40:25 1998 Jason Merrill <jason@yorick.cygnus.com>
2657 * regmove.c (copy_src_to_dest): Add decl for loop_depth.
2659 * svr4.h (ASM_GENERATE_INTERNAL_LABEL): Cast arg to unsigned.
2660 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA1): Likewise.
2661 Add parens to various macros.
2663 Fri Jun 19 23:22:42 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2665 * c-typeck.c (pop_init_level): Warn about implicit zero initialization
2668 Fri Jun 19 23:06:33 1998 Jason Merrill <jason@yorick.cygnus.com>
2670 * varasm.c (assemble_start_function): Add weak_global_object_name.
2671 * tree.c (get_file_function_name): Use it.
2673 Fri Jun 19 22:55:14 1998 Jeffrey A Law (law@cygnus.com)
2675 * except.c (jumpif_rtx): Make static and add prototype.
2676 (jumpifnot_rtx): Likewise.
2678 * README.gnat: Add a build patch from Fred Fish.
2680 * c-lang.c (GNU_xref_begin, GNU_xref_end): Deleted.
2682 * Makefile.in (c-iterate.o): Depend on expr.h.
2684 Fri Jun 19 20:38:34 1998 H.J. Lu (hjl@gnu.org)
2686 * except.h (emit_unwinder, end_eh_unwinder): Removed.
2688 * dwarfout.c (getpwd): Add prototype.
2689 (is_pseudo_reg, type_main_variant, is_tagged_type,
2690 is_redundant_typedef): New declaration.
2691 (output_decl): Add prototype for FUNC.
2692 (type_main_variant): Make it static.
2693 (is_tagged_type): Likewise.
2694 (is_redundant_typedef): Likewise.
2696 * expr.c (do_jump_by_parts_greater_rtx): Removed.
2697 (truthvalue_conversion): Likewise.
2699 * c-iterate.c: Include "expr.h".
2700 (expand_expr): Use proper values when calling the function.
2702 * explow.c (emit_stack_save): Add prototype for FCN.
2703 (emit_stack_restore): Likewise.
2705 * dwarf2out.c (getpwd): Add prototype.
2707 * dwarf2out.h (debug_dwarf, debug_dwarf_die): New declarations.
2709 * c-typeck.c (c_expand_asm_operands): Use proper values when calling
2712 * c-lex.c (yyprint): Add prototype.
2713 (check_newline, build_objc_string): Remove declaration.
2715 * c-tree.h (comptypes_record_hook): Removed.
2716 (finish_incomplete_decl): New prototype.
2718 * alias.c (find_base_value): Add prototype.
2719 (true_dependence): Add prototype for function argument.
2721 * c-aux-info.c (xmalloc): Remove declaration.
2723 Fri Jun 19 20:23:05 1998 Robert Lipe <robertl@dgii.com>
2725 * i386.c: Include system.h. Remove redundant includes.
2726 (optimization_options): Mark param 'size' with ATTRIBUTE_UNUSED.
2727 (i386_cc_probably_useless_p): Likewise for 'decl', 'attributes',
2728 'identifier', 'args'.
2729 (i386_valid_type_attribute_p): Likewise for 'attributes'.
2730 (i386_comp_type_attribute_p): Likewise for 'type1', 'type2'.
2731 (function_arg_partial_nregs): Likewise for 'cum', 'mode', 'type',
2733 (symbolic_operand): Likewise for 'mode'.
2734 (call_insn_operand): Likewise.
2735 (expander_call_insn_operand): Likewise.
2736 (ix86_logical_operator): Likewise.
2737 (ix86_binary_operator_ok): Likewise.
2738 (emit_pic_move): Likewise.
2739 (VOIDmode_compare_op): Likewise.
2741 (str_immediate_operand): Likewise.
2742 (ix86_uary_operator_ok): Likewise for 'code', 'mode', and 'operands'.yy
2743 (asm_output_function_prefix): Likewise for 'name'.
2744 (function_prologue): Likewise for 'file', and 'size'.
2745 (function_epilogue): Likewise.
2747 1998-06-19 Jim Wilson <wilson@cygnus.com>
2749 * loop.h (struct induction): Clarify comment for unrolled field.
2750 * unroll.c (find_splittable_givs): Move set of unrolled field
2751 after address validity check.
2753 Fri Jun 19 18:38:04 1998 Michael Meissner <meissner@cygnus.com>
2755 * config/fp-bit.c (INLINE): Only define if not already defined.
2757 1998-06-19 Manfred Hollstein <manfred@s-direktnet.de>
2759 * Makefile.in (installdirs): Loop over directories in $(libsubdir)
2760 creating probably missing ones, instead of single if statements.
2762 Fri Jun 19 10:43:52 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2764 * c-common.c (truthvalue_conversion): Protect side effects in the
2765 expression when splitting a complex value.
2766 * fold-const.c (fold): Likewise.
2768 Fri Jun 19 02:31:16 1998 Klaus Kaempf (kkaempf@progis.de)
2770 * cccp.c (hack_vms_include_specification): rewrite to handle
2771 '#include <dir/file.h>' correctly.
2773 Fri Jun 19 02:24:11 1998 H.J. Lu (hjl@gnu.org)
2775 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Defined.
2777 Fri Jun 19 02:10:10 1998 John Wehle (john@feith.com)
2779 * i386.c (notice_update_cc): Integer conditional moves don't
2782 * i386.md (movsfcc, movdfcc, movxfcc): Use emit_store_flag
2783 to support LT, LE, GE, and GT signed integer comparisons.
2784 (movsfcc+1, movsfcc+2, movdfcc+1, movdfcc+2,
2785 movxfcc+1, movxfcc+2): Pattern doesn't match if the comparison
2786 is LT, LE, GE, or GT.
2787 (movdicc): Remove code resulting from an earlier patch which
2788 didn't apply correctly.
2790 Fri Jun 19 02:00:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2792 * reload1.c (reload_cse_regno_equal_p): If -ffloat-store, don't
2793 consider a MEM in FP mode as equal.
2795 Fri Jun 19 01:02:17 1998 Jeffrey A Law (law@cygnus.com)
2797 * c-decl.c (duplicate_decls): Avoid setting TREE_ASM_WRITTEN for
2798 duplicate declarations of a function.
2800 Fri Jun 19 00:33:33 1998 H.J. Lu (hjl@gnu.org)
2802 * config/float-i386.h: New.
2804 * configure.in (i[34567]86-*-linux-*): Set float_format to i386.
2806 Thu Jun 18 20:11:00 1998 Jim Wilson <wilson@cygnus.com>
2808 * sched.c (schedule_insns): Use xmalloc not alloca for max_uid
2809 indexed arrays. Call free at the end of the function for them.
2810 * haifa-sched.c (schedule_insns): Likewise.
2812 Thu Jun 18 18:16:01 1998 Jim Wilson <wilson@cygnus.com>
2814 * dwarf2out.c (size_of_string): Do count backslashes.
2816 Thu Jun 18 11:43:54 1998 Nick Clifton <nickc@cygnus.com>
2818 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow REG+REG
2819 addressing when one register is the frame pointer or stack
2820 pointer. Disallow REG+CONST addressing in HI mode.
2822 Thu Jun 18 17:30:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2824 * reload.c (find_reloads): Don't narrow scope of RELOAD_OTHER to
2827 Thu Jun 18 09:36:50 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2829 * Makefile.in (c-lang.o): Depend on output.h.
2831 * c-lang.c: Include output.h.
2833 * sparc.c (sparc_builtin_saveregs): Remove unused variable `fntype'.
2835 * except.c (expand_builtin_eh_stub): Likewise for variable `jump_to'.
2837 * genrecog.c (write_subroutine): When writing insn-recog.c, mark
2838 variables `insn', `pnum_clobbers', `x[0 .. max_depth]' and `tem'
2839 with ATTRIBUTE_UNUSED.
2841 * regmove.c (copy_src_to_dest): Make function static to match its
2844 * reload1.c Include hard-reg-set.h before rtl.h to get macro
2845 HARD_CONST. Include machmode.h before hard-reg-set.h.
2847 * rtl.h: Prototype `retry_global_alloc' and wrap with macro
2848 HARD_CONST to protect usage of typedef HARD_REG_SET.
2850 * tree.c: Prototype `_obstack_allocated_p'.
2852 * varasm.c: Wrap prototype of `asm_output_aligned_bss' in macro
2855 Thu Jun 18 09:20:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2857 * pa.c: Include system.h and toplev.h. Remove redundant code.
2858 (call_operand_address): Mark parameter `mode' with ATTRIBUTE_UNUSED.
2859 (symbolic_operand): Likewise.
2860 (symbolic_memory_operand): Likewise.
2861 (pic_label_operand): Likewise.
2862 (fp_reg_operand): Likewise.
2863 (pre_cint_operand): Likewise.
2864 (post_cint_operand): Likewise.
2865 (ireg_or_int5_operand): Likewise.
2866 (int5_operand): Likewise.
2867 (uint5_operand): Likewise.
2868 (int11_operand): Likewise.
2869 (uint32_operand): Likewise.
2870 (ior_operand): Likewise.
2871 (lhs_lshift_cint_operand): Likewise.
2872 (pc_or_label_operand): Likewise.
2873 (legitimize_pic_address): Likewise.
2874 (hppa_legitimize_address): Likewise for parameter `old'.
2875 (output_block_move): Likewise for parameter `size_is_constant'.
2876 (output_function_prologue): Likewise for parameter `size'.
2877 (output_function_epilogue): Likewise.
2878 (return_addr_rtx): Likewise for parameter `count'.
2879 (output_mul_insn): Likewise for parameter `unsignedp'.
2880 (hppa_builtin_saveregs): Likewise for parameter `arglist'.
2881 (output_bb): Likewise for parameter `operands'.
2882 (output_bvb): Likewise.
2883 (function_label_operand): Likewise for parameter `mode'.
2884 (plus_xor_ior_operator): Likewise.
2885 (shadd_operand): Likewise.
2886 (non_hard_reg_operand): Likewise.
2887 (eq_neq_comparison_operator): Likewise.
2888 (movb_comparison_operator): Likewise.
2889 (pa_combine_instructions): Likewise for parameter `insns'.
2891 * pa.h: Add prototypes for functions `output_deferred_plabels',
2892 `override_options', `output_ascii', `output_function_prologue',
2893 `output_function_epilogue', `print_operand',
2894 `symbolic_expression_p', `reloc_needed', `compute_frame_size',
2895 `hppa_address_cost', `and_mask_p', `symbolic_memory_operand',
2896 `pa_adjust_cost', `pa_adjust_insn_length' and
2897 `secondary_reload_class'.
2899 Wed Jun 17 22:28:48 1998 Jason Merrill <jason@yorick.cygnus.com>
2901 * configure.in: Don't turn on collect2 unconditionally.
2903 Wed Jun 17 20:20:48 1998 Mark Mitchell <mark@markmitchell.com>
2905 * cse.c (cse_basic_block): Don't include NOTE insns in the count
2906 that is used to decide whether or not it is time to erase the
2909 Wed Jun 17 18:30:43 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2911 * rs6000/linux.h (JUMP_TABLES_IN_TEXT_SECTION): Define to zero.
2913 Wed Jun 17 19:05:03 1998 John Carr <jfc@mit.edu>
2915 * haifa-sched.c (haifa_classify_insn): TRAP_IF is risky.
2916 (sched_analyze_2): Allow scheduling TRAP_IF.
2918 * reorg.c (mark_referenced_resources): Examine operands of TRAP_IF.
2920 * rtl.h (TRAP_CODE): New macro.
2922 * rtl.def (TRAP_IF): Change second operand type to rtx.
2924 * optabs.c (gen_cond_trap): New function.
2925 (init_traps): New function.
2926 (init_optabs): Call init_traps.
2927 * expr.h: Declare gen_cond_trap.
2929 * jump.c (jump_optimize): Optimize jumps to and around traps.
2931 * sparc.md: Define trap instructions.
2933 * rs6000.md: Define trap instructions.
2934 * rs6000.c (print_operand): New code 'V' for trap condition.
2935 (trap_comparison_operator): New function.
2937 * m88k.md: Update use of TRAP_IF.
2939 * tree.h (enum built_in_function): New function code BUILT_IN_TRAP.
2940 * c-decl.c (init_decl_processing): New builtin __builtin_trap.
2941 * expr.c (expand_builtin): Handle BUILT_IN_TRAP.
2943 * expr.c (expand_builtin): Error if __builtin_longjmp second argument
2946 Wed Jun 17 15:20:00 PDT 1998 Catherine Moore <clm@cygnus.com>
2948 * reload1.c (spill_hard_reg): Check mode of register when
2949 spilling from scratch_list.
2951 Wed Jun 17 16:25:38 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
2953 * except.c (add_new_handler): fix bug in finding last region handler.
2954 * libgcc2.c (find_exception_handler): Pass exception table pointer
2955 to runtime type matcher, not the match info field.
2957 Wed Jun 17 15:57:48 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
2959 * eh-common.h (struct eh_context): Add comment for hidden use of
2960 field dynamic_handler_chain.
2961 * except.c (get_dynamic_handler_chain): Comment on, and use the
2962 correct offset of the dynamic_handler_chain field.
2964 1998-06-17 12:46:56 1998 Jim Wilson <wilson@cygnus.com>
2966 * mips/iris6.h (LINK_SPEC): Add -woff 131.
2968 1998-06-17 Jason Merrill <jason@yorick.cygnus.com>
2970 * dwarf2out.c: Disable EH_FRAME_SECTION if we don't have .init.
2972 * configure.in: Don't disable collect2 when we have GNU ld.
2974 Wed Jun 17 08:38:13 1998 Jeffrey A Law (law@cygnus.com)
2976 * fold-const.c (make_range): Do not widen the type of the expression.
2978 * expr.c (check_max_integer_computation_mode): New function.
2979 (expand_expr): Avoid integer computations in modes wider than
2980 MAX_INTEGER_COMPUTATION_MODE.
2981 * fold-const.c (fold): Likewise.
2982 * tree.h (check_max_integer_computation_mode): Declare.
2983 * tm.texi (MAX_INTEGER_COMPUTATION_MODE): Document it.
2985 * configure.in (nm): Make a link to "nm" in the build tree too.
2987 * mn10300.md (andsi3): Fix typo.
2989 Tue Jun 16 22:58:40 1998 Richard Henderson <rth@cygnus.com>
2991 * reload1.c (reload_cse_regs): Call bzero instead of looping.
2993 Tue Jun 16 18:30:35 1998 Jim Wilson <wilson@cygnus.com>
2995 * dwarf2out.c (stripattributes): Prepend '*' to the section name.
2997 Tue Jun 16 16:49:26 1998 Richard Henderson <rth@cygnus.com>
2999 * alpha.c (alpha_expand_prologue, alpha_expand_epilogue): New fns.
3000 (output_prologue, output_epilogue): Merge VMS and OSF versions;
3001 Remove anything related to the actual code generation.
3002 (output_end_prologue): New function.
3003 (alpha_sa_mask, alpha_sa_size): Merge VMS and OSF versions.
3004 (alpha_does_function_need_gp): Return false for VMS.
3005 (alpha_function_needs_gp): Make static.
3006 (add_long_const): Delete.
3007 (summarize_insn): Don't assume a SUBREG is of a REG.
3008 Prototype all static functions. Rename VMS-specific global
3010 * alpha.h (TARGET_CAN_FAULT_IN_PROLOGUE): Default to 0.
3011 (FUNCTION_BOUNDARY): Align to cache line.
3012 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER): Align to octaword.
3013 (FUNCTION_END_PROLOGUE): New macro.
3014 * alpha.md (attribute length): New. Mark all insns.
3015 (return_internal, prologue_stack_probe_loop) New patterns.
3016 (prologue, init_fp, epilogue): New patterns.
3018 * linux.h (TARGET_CAN_FAULT_IN_PROLOGUE): Define.
3020 Tue Jun 16 17:36:35 1998 Dave Brolley <brolley@cygnus.com>
3022 * toplev.c (lang_options): Add -trigraphs option for cpplib.
3024 Tue Jun 16 23:33:24 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3026 * reload1.c (reload_reg_free_before_p): RELOAD_FOR_OUTADDR_ADDRESS
3027 is earlier than RELOAD_FOR_OUTPUT_ADDRESS; RELOAD_FOR_INPADDR_ADDRESS
3028 is earlier than RELOAD_FOR_INPUT_ADDRESS.
3030 Tue Jun 16 13:15:16 1998 Jim Wilson <wilson@cygnus.com>
3032 * libgcc1-test.c (memcpy): Define.
3034 Tue Jun 16 13:44:02 1998 Michael Meissner <meissner@cygnus.com>
3036 * genattrtab.c (struct attr_desc): Change int flags to bit
3037 fields. Add bit fields for this being function_units_used
3038 or *_blockage_range attributes.
3039 (write_unit_name): New function to print a function unit name
3041 (expand_units): Indicate whether this is function_units_used or
3042 *_blockage_range attributes.
3043 (write_toplevel_expr): Print function_units_used and
3044 *_blockage_range attributes in a more friendly fashion.
3045 (make_internal_attr): Indicate whether this attribute is either
3046 function_units_used or *_blockage_range.
3048 Mon Jun 15 17:06:43 1998 Michael Meissner <meissner@cygnus.com>
3049 Jim Wilson <wilson@cygnus.com>
3051 * regmove.c (copy_src_to_dest): Do not copy src to dest if either
3052 the source or destination is special.
3054 Mon Jun 15 13:20:33 1998 Jim Wilson <wilson@cygnus.com>
3056 * c-decl.c (shadow_tag_warned): Use specs not declspecs in for loop.
3058 Mon Jun 15 07:16:29 PDT 1998 Jeff Law (law@cygnus.com)
3060 * version.c: Bump for snapshot.
3062 Sat Jun 13 13:10:40 1998 Krister Walfridsson <cato@df.lth.se>
3064 * config/sparc/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Undefine before
3067 Fri Jun 12 18:06:45 1998 Doug Evans <devans@egcs.cygnus.com>
3069 * m32r/m32r.h (STARTFILE_SPEC): Delete crtsysc.o.
3070 (ENDFILE_SPEC): Add -lgloss.
3072 Fri Jun 12 14:57:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3074 * mips.c (small_int): Mark parameter `mode' with ATTRIBUTE_UNUSED.
3075 (large_int): Likewise.
3076 (pc_or_label_operand): Likewise.
3077 (call_insn_operand): Likewise.
3078 (consttable_operand): Likewise.
3079 (m16_uimm3_b): Likewise.
3080 (m16_simm4_1): Likewise.
3081 (m16_nsimm4_1): Likewise.
3082 (m16_simm5_1): Likewise.
3083 (m16_nsimm5_1): Likewise.
3084 (m16_uimm5_4): Likewise.
3085 (m16_nuimm5_4): Likewise.
3086 (m16_simm8_1): Likewise.
3087 (m16_nsimm8_1): Likewise.
3088 (m16_uimm8_1): Likewise.
3089 (m16_nuimm8_1): Likewise.
3090 (m16_uimm8_m1_1): Likewise.
3091 (m16_uimm8_4): Likewise.
3092 (m16_nuimm8_4): Likewise.
3093 (m16_simm8_8): Likewise.
3094 (m16_nsimm8_8): Likewise.
3095 (m16_usym8_4): Likewise.
3096 (m16_usym5_4): Likewise.
3097 (mips_move_1word): Change type of variable `i' from int to size_t.
3098 (mips_move_2words): Likewise.
3099 (output_block_move): Mark parameter `libname' with ATTRIBUTE_UNUSED.
3100 (function_arg_advance): Use HOST_PTR_PRINTF to print an address.
3101 (function_arg): Likewise.
3102 (function_arg_partial_nregs): Mark parameter `named' with
3104 (override_options): Use ISDIGIT instead of isdigit.
3105 (mips_output_external): Mark parameter `file' with ATTRIBUTE_UNUSED.
3106 (final_prescan_insn): Likewise for parameters `opvec' and `noperands'.
3107 (save_restore_insns): Cast HOST_WIDE_INT arguments passed to
3108 function `fatal' to long before printing. Use
3109 HOST_WIDE_INT_PRINT_DEC in fprintf. Both changes done several
3110 times in this function.
3111 (function_prologue): Mark parameter `size' with ATTRIBUTE_UNUSED.
3112 (function_epilogue): Likewise for parameters `file' and `size'.
3113 Print an int with "%d" not "%ld".
3114 (mips_select_rtx_section): Mark parameter `x' with ATTRIBUTE_UNUSED.
3115 (mips_function_value): Likewise for parameter `func'.
3116 (function_arg_pass_by_reference): Likewise for parameters `cum'
3118 (extend_operator): Likewise for parameter `mode'
3119 (highpart_shift_operator): Likewise.
3121 * mips.md (mul_acc_si): Remove unused variable `macc'.
3123 Fri Jun 12 09:33:44 1998 Richard Henderson <rth@cygnus.com>
3125 * fold-const.c (fold): Revert last change. It breaks constant
3126 expressions somehow.
3128 Fri Jun 12 10:23:36 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3130 * expr.c (do_jump, case EQ_EXPR, NE_EXPR): When comparing complex
3131 prevent operands from being evaluated twice.
3133 Fri Jun 12 00:50:27 1998 Sergey Okhapkin <sos@prospect.com.ru>
3135 * toplev.c (lang_options): Add -remap as a preprocessor option.
3137 Fri Jun 12 00:30:32 1998 John Wehle (john@feith.com)
3139 * i386.md (cmpsi_1, cmphi_1, cmpqi_1): Remove code
3140 which set CC_REVERSED since reload should ensure that
3141 the operands are already the correct type.
3143 Thu Jun 11 17:14:15 1998 Jim Wilson <wilson@cygnus.com>
3145 * except.c (expand_builtin_eh_stub): Call emit_move_insn rather than
3146 calling gen_rtx_SET.
3148 Thu Jun 11 18:45:49 1998 David Edelsohn <edelsohn@mhpcc.edu>
3150 * config/rs6000/x-aix43 (AR): Delete.
3151 (AR_FOR_TARGET_FLAGS): Add -X32_64 here.
3153 Thu Jun 11 16:19:17 1998 David W. Schuler <schuld@btv.ibm.com>
3155 * config/i386/aix386ng.h (CPP_SPEC): Remove extraneous quote.
3157 Thu Jun 11 12:40:27 1998 Jim Wilson <wilson@cygnus.com>
3159 * mips.c (override_options): Replace word_mode with explicit
3162 Thu Jun 11 14:50:02 1998 Michael Meissner <meissner@cygnus.com>
3164 * regmove.c (regmove_optimize): If we can't replace the
3165 destination in an insn that sets the source, generate an explicit
3166 move of the source to the destination.
3167 (copy_src_to_dest): New function.
3168 (toplevel): Include basic-block.h
3170 * Makefile.in (regmove.o): Add basic-block.h dependencies.
3172 Thu Jun 11 10:30:09 1998 Dave Brolley <brolley@cygnus.com>
3174 * toplev.c (lang_options): Add missing options (nostdinc, idirafter).
3176 Wed Jun 10 23:39:32 1998 Mark Mitchell <mark@markmitchell.com>
3178 * rtl.h (rtx_def): Improve documentation.
3179 (MEM_IN_STRUCT_P): Likewise.
3181 Wed Jun 10 23:23:17 1998 Graham <grahams@rcp.co.uk>
3183 * c-decl.c (start_decl): Correct test for -Wmain.
3185 * c-decl.c (grokdeclarator): Remove unused variable "last".
3187 Wed Jun 10 14:52:27 1998 Jim Wilson <wilson@cygnus.com>
3189 * expr.c (expand_builtin_setjmp): Store const1_rtx in target.
3190 (expand_builtin_longjmp): Abort if value isn't const1_rtx.
3191 Delete code storing value in static_chain_rtx.
3192 (expand_builtin, case BUILT_IN_LONGJMP): Pass NULL_RTX for target
3193 to second expand_expr call.
3195 Wed Jun 10 13:08:41 1998 Mark Mitchell <mark@markmitchell.com>
3197 * mips/mips.c: Remove -mabi=o32 and -mabi=n64.
3199 Wed Jun 10 13:41:23 1998 Dave Brolley <brolley@cygnus.com>
3201 * cppmain.c (fatal): New function.
3202 * configure.in (cpp_main): New configuration variable.
3203 * configure: Regenerated.
3204 * Makefile.in (CCCP): Use a configuration variable to select basex
3206 (cppmain$(exeext)): Add @extra_cpp_objs@.
3208 Wed Jun 10 13:07:02 1998 Dave Brolley <brolley@cygnus.com>
3210 * objc/objc-act.c: Add cpplib declarations.
3211 (lang_decode_option): Initialize cpplib if necessary.
3212 (lang_decode_option): New argc/argv interface.
3213 * tree.h (lang_decode_option): New argc/argv interface.
3214 * toplev.c (lang_options): Add cpp options.
3215 (main): New interface for lang_decode_option.
3216 * gcc.c (default_compilers): Don't call cpp for a cpplib-enabled C compiler
3217 unless -E, -M or -MM is specified.
3218 * cpplib.h (cpp_handle_option): New function.
3219 * cpplib.c (cpp_handle_option): New function.
3220 (cpp_handle_options): Now calls cpp_handle_option.
3221 * c-tree.h (c_decode_option): New argc/argv interface.
3222 * c-lex.c (init_parse): cpplib now initialized in c_decode_option.
3223 * c-lang.c (lang_decode_option): New argc/argv interface.
3224 * c-decl.c: Add cpplib declarations.
3225 (c_decode_option): New argc/argv interface.
3226 (c_decode_option): Call cpp_handle_option.
3227 (c_decode_option): Now returns number of strings processed.
3229 Wed Jun 10 09:47:13 1998 Richard Earnshaw (rearnsha@arm.com)
3231 * unroll.c (verify_addresses): Use validate_replace_rtx to undo the
3232 changes. Abort if the undo fails.
3234 1998-06-10 Vladimir N. Makarov <vmakarov@cygnus.com>
3236 * config/rs6000/rs6000.c (output_prolog): Change locations and
3237 directions of saving and restoring arguments of main on the stack.
3239 Wed Jun 10 08:56:27 1998 John Carr <jfc@mit.edu>
3241 * reload1.c (reload_cse_simplify_operands): Do not call gen_rtx_REG
3242 for each alternative. Do not replace a CONST_INT with a REG unless
3245 Wed Jun 10 02:11:55 1998 Jeffrey A Law (law@cygnus.com)
3247 * decl.c (init_decl_processing): Fix typo.
3249 * mips.c (gpr_mode): New variable.
3250 (override_options): Initialize gpr_mode.
3251 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
3252 determine size and offset of general purpose registers save slots.
3253 (save_restore_insns, mips_expand_prologue): Similarly.
3255 * reload.c (find_reloads_toplev): Use gen_lowpart common to convert
3256 between constant representations when we have (SUBREG (REG)) with
3257 REG equivalent to a constant.
3259 Wed Jun 10 01:39:00 1998 Juha Sarlin <juha@c3l.tyreso.se>
3261 * h8300.c (get_shift_alg): Add special cases for shifts of 8 and 24.
3263 Tue Jun 9 22:05:34 1998 Richard Henderson <rth@cygnus.com>
3265 * fold-const.c (fold): Even with otherwise constant trees, look for
3266 opportunities to combine integer constants.
3268 Wed Jun 3 23:41:24 EDT 1998 John Wehle (john@feith.com)
3270 * i386.c (notice_update_cc): Clear cc_status.value2 in the
3271 case of UNSPEC 5 (bsf).
3273 * i386.md (movsfcc, movdfcc, movxfcc): The floating point
3274 conditional move instructions don't support signed integer
3277 Tue Jun 9 14:31:19 1998 Nick Clifton <nickc@cygnus.com>
3279 * config/v850/t-v850 (TCFLAGS): Add assembler options to warn of
3282 * config/v850/lib1funcs.asm (__return_interrupt): Use 'addi
3283 16,sp,sp' ratehr than 'add 16,sp'. Patch courtesy of Biomedin
3286 Tue Jun 9 16:23:13 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3288 * except.c (expand_start_catch): Rename to start_catch_handler.
3289 (expand_end_catch): Delete function.
3290 (expand_end_all_catch): Remove catch status that expand_end_catch
3292 * except.h (expand_start_catch): Rename prototype.
3293 (expand_end_catch): Delete prototype.
3295 Tue Jun 9 12:57:32 1998 Mark Mitchell <mark@markmitchell.com>
3297 * invoke.texi: Add documentation for -mips4 and -mabi=*.
3299 Tue Jun 9 12:12:34 1998 Klaus Kaempf (kkaempf@progis.de)
3301 * alpha/vms.h (EXTRA_SECTIONS): Add in_ctors and in_dtors.
3302 (EXTRA_SECTION_FUNCTIONS): Add ctors_section and dtors_section.
3303 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
3305 Tue Jun 9 12:10:27 1998 John Carr <jfc@mit.edu>
3307 * haifa-sched.c (update_flow_info): Use UNITS_PER_WORD, not MOVE_MAX,
3308 as the threshold to permit splitting memory operations.
3310 Tue Jun 9 12:36:16 1998 Jeffrey A Law (law@cygnus.com)
3312 * mips.c (gpr_mode): New variable.
3313 (override_options): Initialize gpr_mode.
3314 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
3315 determine size and offset of general purpose registers save slots.
3316 (save_restore_insns, mips_expand_prologue): Similarly.
3318 * Makefile.in (LIB2FUNCS_EH): Define. Just "_eh" for now.
3319 (LIBGCC2_CFLAGS): Remove -fexceptions.
3320 (LIB2FUNCS): Remove "_eh".
3321 (libgcc2.a): Iterate over LIB2FUNCS_EH and build everything in
3322 it with -fexceptions.
3324 * Makefile.in (local-alloc.o): Depend on insn-attr.h.
3325 * local-alloc.c (block_alloc): Avoid creating false
3326 dependencies for targets which use instruction scheduling.
3328 Tue Jun 9 02:40:49 1998 Richard Henderson <rth@cygnus.com>
3330 * mips/elf.h (ASM_DECLARE_OBJECT_NAME): Define.
3331 (ASM_FINISH_DECLARE_OBJECT): Define;
3332 * mips/elf64.h: Likewise.
3334 Tue Jun 9 01:08:47 1998 Richard Henderson <rth@cygnus.com>
3336 * toplev.c (flag_new_exceptions): Remove extraneous `extern'.
3338 Mon Jun 8 23:24:48 PDT 1998 Jeff Law (law@cygnus.com)
3340 * version.c: Bump for snapshot.
3342 Mon Jun 8 23:24:58 1998 David Edelsohn <edelsohn@mhpcc.edu>
3344 * rs6000.md (mulsidi3): Add !TARGET_POWERPC64 constraint.
3345 (mulsidi3_ppc64): Delete.
3347 Mon Jun 8 20:57:40 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3349 * Makefile.in (varasm.o): Depend on dbxout.h.
3350 (cse.o): Depend on toplev.h and output.h.
3351 (gcse.o): Depend on output.h.
3353 * mips.c: Include system.h and toplev.h and remove redundant code.
3354 Include output.h after tree.h so all its prototypes get activated.
3355 * mips.md (table_jump): Remove unused variable `dest'.
3357 * sparc.h: Add prototype for `v8plus_regcmp_op'.
3359 * crtstuff.c (fini_dummy, init_dummy): Mark function definitions
3360 with __attribute__ ((__unused__)).
3361 (__frame_dummy): Provide prototype before use, wrap it with
3362 EH_FRAME_SECTION_ASM_OP.
3364 * cse.c: Move inclusion of <setjmp.h> above local headers.
3365 Include toplev.h and output.h.
3367 * dbxout.h: Add prototype for `dbxout_begin_function'.
3369 * final.c (final_scan_insn): Wrap variable `max_skip' in macro
3370 ASM_OUTPUT_MAX_SKIP_ALIGN.
3372 * gcse.c: Include system.h and output.h.
3373 (dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data):
3374 Make extern instead of static.
3375 (compute_can_copy): Only declare variables `reg' and `insn' when
3376 AVOID_CCMODE_COPIES is not defined.
3377 (record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED.
3378 (hash_scan_clobber): Likewise for `x' and `insn'.
3379 (hash_scan_call): Likewise.
3380 (record_last_set_info): Likewise for `setter'.
3381 (mark_call): Likewise for `pat'.
3382 (pre_insert_insn): Wrap variable `note' in macro HAVE_cc0.
3384 * libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the
3385 length parameter so that it multiplies the number of elements by
3386 the sizeof(element).
3388 * output.h: Add prototype for `weak_finish'.
3390 * recog.h: Likewise for `validate_replace_src'.
3392 * rtl.h: Likewise for `optimize_save_area_alloca',
3393 `fix_sched_param', `purge_addressof', `gcse_main',
3394 `regmove_optimize', `dbr_schedule', `branch_prob' and
3397 * toplev.h: Likewise for `set_float_handler' and
3398 `output_quoted_string'.
3400 * varasm.c: Include dbxout.h.
3402 Mon Jun 8 18:12:06 1998 Jim Wilson <wilson@cygnus.com>
3404 * mips.c (mips_secondary_reload_class): Use gp_reg_p instead of
3405 GP_REG_P. Use gr_regs instead of GR_REGS.
3407 Mon Jun 8 16:54:12 1998 Ken Raeburn <raeburn@cygnus.com>
3408 Jeff Law <law@cygnus.com>
3410 * Revamped multiply support for MIPS chips.
3411 * mips.c (extend_operator): New function.
3412 (highpart_shift_operator): Likewise.
3413 * mips.h: Declare new functions.
3414 (PREDICATE_CODES): Add support for new predicates.
3415 * mips.md (mulsi3 expander): Simplify.
3416 (mulsi_mult3): Add another constraint alternative. Support
3417 3 operand multiply instructions as found on various mips
3419 (mulsi3_r4650): Delete pattern, now handled by mulsi_mult3.
3420 (mul_acc_si): New pattern and associated splitters.
3421 (mulsidi3 expander): Rework to use mulsidi3_64bit and
3423 (umulsidi3): New expander.
3424 (mulsidi3_internal): Accept either sign or zero extended
3425 operands and generate code as appropriate appropriately.
3426 (mulsidi3_64bit): Similarly.
3427 (smulsi3_highpart): Turn into an expander and generate code
3428 to match new patterns.
3429 (umulsi3_highpart): Likewise.
3430 (xmulsi3_highpart_internal): New pattern.
3431 (maddi patterns): Delete. Replace with:
3432 (mul_acc_di, mul-acc_64bit_di): New patterns.
3434 Mon Jun 8 14:16:15 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3436 * eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
3437 flag_new_exceptions runtime flag.
3438 (struct old_exception_table): New struct which represents what
3439 the exception table looks like without the new model.
3440 (NEW_EH_RUNTIME): New value used as a tag in the exception table to
3441 flag that this is a new style table.
3442 * except.h: Remove compile time flag NEW_EH_MODEL.
3443 (expand_builtin_eh_stub_old): New prototype.
3444 * tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
3445 * expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
3446 * c-decl.c (init_decl_processing): Add new builtin function
3447 __builtin_eh_stub_old.
3448 * final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
3449 * flags.h (flag_new_exceptions): New runtime flag.
3450 * toplev.c (flag_new_exceptions): Initialize default to 0,
3451 -fnew-exceptions sets to 1.
3452 * except.c (output_exception_table_entry): Output New style exception
3453 identifier into table, and replace compile time flag NEW_EH_MODEL
3454 with runtime flag flag_new_exceptions.
3455 (output_exception_table): Replace compile time flag NEW_EH_MODEL.
3456 (expand_builtin_eh_stub_old): Duplicates original functionality of
3457 expand_builtin_eh_stub.
3458 (expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
3459 * libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
3460 (old_find_exception_handler): New func, same as find_exception_handler
3461 except it works on the old style exception table.
3462 (__throw): Replace NEW_EH_MODEL. Detect new model based on presence
3463 of identifier in the exception table, and call appropriate routines.
3465 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
3467 * function.c: Define current_function_cannot_inline.
3468 (push_function_context_to): Save it.
3469 (pop_function_context_from): Restore it.
3470 * function.h (struct function): Provide it a home.
3471 * output.h: Declare it.
3472 * integrate.c (function_cannot_inline_p): Check it.
3474 Mon Jun 8 10:43:15 1998 Richard Henderson <rth@cygnus.com>
3476 * expr.c (force_operand): Detect PIC address loads before
3477 splitting arithmetic.
3479 Mon Jun 8 09:22:38 PDT 1998 Jeff Law (law@cygnus.com)
3481 * version.c: Bump for snapshot.
3483 Mon Jun 8 02:55:56 1998 Graham <grahams@rcp.co.uk>
3485 * tree.c (tree_class_check): Add braces to eliminate ambigious
3487 (tree_check): Likewise.
3489 Mon Jun 8 02:49:23 1998 H.J. Lu (hjl@gnu.org)
3491 * reg-stack.c (subst_stack_regs_pat): Make sure the top of
3492 stack is the destination for conditional move insn.
3494 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
3496 * tree.h (TREE_VEC_END): Cast unused value to void.
3498 * i386.c (print_operand): Use %lx for long operand.
3500 Mon Jun 8 00:04:07 1998 Richard Henderson <rth@cygnus.com>
3502 * alpha.c (summarize_insn): Ignore rtl slot format 'i'.
3504 Sun Jun 7 14:15:45 1998 John Carr <jfc@mit.edu>
3506 * sol2.h (INIT_SUBTARGET_OPTABS): Use Solaris libc float/long long
3507 conversion functions.
3509 Sun Jun 7 14:02:58 1998 Richard Henderson <rth@cygnus.com>
3511 * toplev.c (flag_exceptions): Default to 0.
3512 (compile_file): Remove flag_exceptions == 2 hack.
3513 (main): Call lang_init_options.
3514 * tree.h: Declare it.
3515 * c-lang.c: Implement it.
3516 * objc/objc-act.c: Likewise.
3518 Sun Jun 7 12:27:30 1998 David Edelsohn <edelsohn@mhpcc.edu>
3520 * rs6000.md (restore_stack_block): Generate MEM and specify mode.
3521 * rs6000.h (STACK_SAVEAREA_MODE): SAVE_FUNCTION is VOIDmode.
3522 * rs6000.c (rs6000_output_load_toc_table): Use fputs.
3523 (output_function_profiler): Use asm_fprintf and fputs.
3525 Sat Jun 6 12:17:12 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3527 * gencheck.c: Remove redundant stdio.h include. Add a definition
3528 of xmalloc for when we are forced to link with alloca.o.
3530 * reload1.c (reload_reg_free_for_value_p): Use `(unsigned)1'
3533 * fold-const.c (constant_boolean_node): Make definition static to
3534 match the prototype.
3536 Fri Jun 5 15:53:17 1998 Per Bothner <bothner@cygnus.com>
3538 * gcc.c (lang_specific_pre_link): New LANG_SPECIFIC_DRIVER function.
3539 (lang_specific_extra_outfiles): New LANG_SPECIFIC_DRIVER variable.
3540 (do_spec, input_filename, input_filename_length): Make public.
3541 (main): Adjust outfiles allocation by lang_specific_extra_outfiles.
3542 Call lang_specific_pre_link befor elinking.
3544 Fri Jun 5 12:29:28 1998 Jeffrey A Law (law@cygnus.com)
3546 * haifa-sched.c (rank_for_schedule): For "equally good insns", prefer
3547 the insn which has the most insns dependent on it.
3549 Fri Jun 5 09:03:22 1998 John Carr <jfc@mit.edu>
3551 * alias.c (find_base_value): Avoid reading past end of reg_base_value.
3553 Fri Jun 5 03:05:34 1998 Richard Henderson <rth@cygnus.com>
3555 * alpha.md (insxh-1): New insxl pattern for combine.
3557 Fri Jun 5 01:12:15 1998 H.J. Lu (hjl@gnu.org)
3559 * i386/i386.c (output_fp_conditional_move): New function
3560 to output floating point conditional move.
3561 (output_int_conditional_move): New function to output integer
3564 * i386/i386.md (movsicci+5, movhicc+5, movdicc+5): Call
3565 output_int_conditional_move () to output int conditional move.
3566 (movsfcc+5, movdfcc+5, movxfcc+5): Call
3567 output_fp_conditional_move () to output floating point
3570 * i386/i386.c (put_condition_code): In INT mode, check
3571 cc_prev_status.flags & CC_NO_OVERFLOW for GE and LT.
3573 Thu Jun 4 16:09:51 1998 Dave Brolley <brolley@cygnus.com>
3575 * dbxout.c (dbxout_type): Output arrays of bits as if
3576 they were bitstrings for Chill
3578 Thu Jun 4 14:35:27 1998 David Edelsohn <edelsohn@mhpcc.edu>
3580 * tree.c (get_inner_array_type): New function.
3581 * tree.h (get_inner_array_type): Prototype.
3582 * expr.h (STACK_SAVEAREA_MODE): New macro.
3583 * expr.c (expand_builtin_setjmp): Initialize sa_mode using
3584 STACK_SAVEAREA_MODE.
3585 (expand_builtin_longjmp): Likewise.
3586 * explow.c (emit_stack_save): Likewise.
3587 (allocate_dynamic_stack_space): Use Pmode not insn_operand_mode.
3589 * rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC.
3590 (CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC.
3591 * rs6000/aix43.h: New file.
3592 * rs6000/t-aix43: New file.
3593 * rs6000/x-aix41: New file.
3594 * rs6000/x-aix43: New file.
3595 * configure.in (rs6000-ibm-aix*): Use them.
3596 * rs6000/powerpc.h: Delete.
3597 * rs6000/sysv4.h: Move necessary powerpc.h definitions to here.
3598 * rs6000/netware.h: and here.
3599 * rs6000/win-nt.h: and here.
3601 * rs6000/rs6000.c (processor_target_table, 620): Do not affect
3603 (rs6000_override_options): Ignore flag_pic for AIX.
3604 (rs6000_immed_double_const): Delete.
3605 (u_short_cint_operand): Don't assume 32-bit CONST_INT.
3606 (reg_or_u_short_operand): Don't assume 32-bit CONST_INT.
3607 (num_insns_constant): mask64_operand() is 2 insns.
3608 (logical_operand): Don't assume 32-bit CONST_INT.
3609 (non_logical_cint_operand): Don't assume 32-bit CONST_INT.
3610 (easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit.
3611 (mask_constant): HOST_WIDE_INT parameter.
3612 (non_and_cint_operand): Delete.
3613 (mask64_operand): New function.
3614 (and64_operand): New function.
3615 (function_arg_advance): DImode arguments do not need special
3616 alignment when 64-bit.
3617 (function_arg): Likewise.
3618 (setup_incoming_varargs): Reverse reg_size assignment.
3619 (print_operand): HOST_WIDE_INT second parameter.
3620 (print_operand, 'B'): New case.
3621 (print_operand, 'M'): Fix typo in lossage string.
3622 (print_operandm 'S'): New case.
3623 (rs6000_stack_info): Reverse reg_size assignment. Use total_raw_size
3624 to compute AIX push_p. Use reg_size to compute {cr,lr}_save_offset.
3625 (rs6000_output_load_toc_table): Reverse init_ptr assignment. Use
3626 TARGET_64BIT not TARGET_POWERPC64. Convert fprintf to fputs.
3627 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
3628 (rs6000_allocate_stack_space): Use {cal|la}.
3629 (output_epilog): Use {cal|la}
3630 (output_function_profiler): Add call glue to mcount call.
3631 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
3633 * rs6000/rs6000.h (TARGET_SWITCHES): Add powerpc64.
3634 (STACK_BOUNDARY): Depend on TARGET_32BIT.
3635 (ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type.
3636 (CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT.
3637 (EXTRA_CONSTRAINTS): Remove NT 'S' and 'T'. Replace 'S' with
3638 64-bit mask operand.
3639 (RS6000_SAVE_TOC): Depend on TARGET_32BIT.
3640 (STACK_SAVEAREA_MODE): New macro.
3641 (LEGITIMATE_CONSTANT_P): DImode okay for 64bit.
3642 (LEGITIMIZE_RELOAD_ADDRESS): New macro.
3643 (RTX_COSTS, AND/IOR/XOR): Reflect current machine description.
3644 (ASM_FILE_START): Emit 64-bit ABI directive.
3645 (ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode.
3646 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit.
3647 (PREDICATE_CODES): Add "and64_operand" and "mask64_operand".
3648 Delete "non_and_cint_operand". "input_operand" includes CONST_DOUBLE.
3650 * rs6000/rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask.
3651 Restore define_splits.
3652 (floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint.
3653 (floatsidf2_internal, floatunssidf2_internal2): Likewise.
3654 Do not specify base register operand mode.
3655 (floatsidf2_loadaddr): Do not specify base register operand mode.
3656 (floatsidf2_store1, floatsidf2_store2): Operand 1 must be base
3657 register; do not specify mode. Remove !TARGET_POWERPC64 final
3659 (floatsidf2_load): Do not specify base register operand mode. Remove
3660 !TARGET_POWERPC64 final constraint.
3661 (fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Do not specify
3662 base register operand mode.
3663 (adddi3): Split large constants early.
3664 (absdi3): Shift by 63, not 31.
3665 (*mulsidi3_ppc64): New pattern.
3666 (rotldi3): Add masking combiner patterns.
3667 (anddi3): Add rldic{r,l} masking. Remove split of large constants
3668 because PPC insns zero-extend.
3669 (iordi3, xordi3): Split large constants early.
3670 (movsi matcher): Remove S and T constraints.
3671 (movsf const_double): create SImode constant from TARGET_DOUBLE.
3672 (movdf_hardfloat32): Add default abort() case.
3673 (movdf easy_fp_const): create DImode constant from TARGET_DOUBLE.
3674 (movdi): Remove 64-bit constant generator. Try to convert
3675 CONST_DOUBLE to CONST_INT. Handle TOC memory constants.
3676 (movdi_32): Add default abort() case.
3677 (movdi_64): Add numerous ways to split 64-bit constants.
3678 Make catch-all define_split more optimal and never FAIL.
3679 (movti_ppc64): Add default abort() case.
3680 (allocate_stack): Remove operand modes. Use Pmode.
3681 (restore_stack_block): Remove operand modes. Generate Pmode
3683 (save_stack_nonlocal, restore_stack_nonlocal): Generate Pmode
3684 temporary. Save area is double Pmode.
3685 (call_indirect_aix64, call_value_indirect_aix64): New patterns.
3686 (call, call_value): Do not specify address operand mode. Choose
3687 appropriate AIX ABI.
3688 (*call_local64, *ret_call_local64): New patterns.
3689 (*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns.
3690 (*ret_call_nonlocal_aix32): Use call_value_indirect for REG.
3691 (compare): Materialize DImode truthvalues.
3693 Thu Jun 4 01:26:57 1998 Craig Burley <burley@gnu.org>
3695 * expr.c (safe_from_p): Avoid combinatorial explosion
3696 over duplicate SAVE_EXPRs by ensuring we never recurse
3697 on one that has already been visited.
3699 Thu Jun 4 00:54:21 1998 Graham <grahams@rcp.co.uk>
3701 * loop.c (check_dbra_loop): Initialise final_value before
3702 normalizing the loop.
3704 Wed Jun 3 20:00:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3706 * reload1.c (reload_reg_free_for_value_p): New arguments out and
3707 reloadnum. Changed all callers.
3709 1998-06-03 Ulrich Drepper <drepper@cygnus.com>
3711 * system.h: Add _() and N_() macros in preparation for gettext.
3713 Wed Jun 3 11:02:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3715 * c-common.c (check_format_info): Put back check for C9x `hh'
3716 length modifier. Warn about %n format writing into const. Remove
3718 (format_char_info): Fix comments.
3720 * configure.in: Set float_format to m68k for all m68k targets that
3721 do not override LONG_DOUBLE_TYPE_SIZE.
3722 * config/float-m68k.h: New file.
3724 Tue Jun 2 23:14:01 1998 Richard Henderson <rth@cygnus.com>
3726 * jump.c (jump_optimize): Remove debug messages accidentally left in
3727 with the previous change.
3729 Tue Jun 2 22:46:08 1998 Richard Henderson <rth@cygnus.com>
3731 * expr.c (store_expr): Revert stray patch associated with
3734 Tue Jun 2 21:59:01 1998 Richard Henderson <rth@cygnus.com>
3736 * jump.c (rtx_unsafe_p): New function.
3737 (jump_optimize): Use it on if/then/else transformations and
3738 conditional move transformations.
3740 Tue Jun 2 22:50:10 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3742 * fold-const.c (fold, case EQ_EXPR): When folding VAR++ == CONST
3743 or VAR-- == CONST construct a proper mask if VAR is a bitfield.
3744 Cope with CONST being out of range for the bitfield.
3746 Tue Jun 2 22:28:31 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
3748 * expr.c (emit_move_insn_1): When moving complex values in several
3749 steps, emit a CLOBBER to show the destination dies.
3751 Tue Jun 2 22:17:26 1998 Jeffrey A Law (law@cygnus.com)
3753 * Makefile.in (site.exp): Use the object testsuite directory as
3754 the temporary directory.
3756 * expr.c (expand_expr, case ADDR_EXPR): Handle taking the
3757 address of an ADDRESSOF rtx.
3759 1998-06-02 Mike Stump <mrs@wrs.com>
3761 * expr.c (expand_builtin_setjmp): Handle BUILTIN_SETJMP_FRAME_VALUE.
3762 * i960.h (SETUP_FRAME_ADDRESSES, BUILTIN_SETJMP_FRAME_VALUE): Define.
3763 * i960.md (ret, flush_register_windows): Define.
3764 (nonlocal_goto): Likewise. Nested function nonlocal gotos don't
3766 * tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Document new macro.
3768 Tue Jun 2 14:02:38 1998 Richard Henderson <rth@cygnus.com>
3770 * alpha.md (divsi3, udivsi3, modsi3, umodsi3): Enable, and work
3771 around an OSF/1 library bug wrt sign-extension of inputs.
3773 Tue Jun 2 13:02:44 1998 Richard Henderson <rth@cygnus.com>
3775 * vax/netbsd.h (DWARF2_UNWIND_INFO): Must be undef, not defined 0.
3777 Mon Jun 1 03:44:03 1998 Catherine Moore <clm@cygnus.com>
3779 * config/sh/sh.h (MAX_OFILE_ALIGNMENT): Define.
3781 * varasm.c (assemble_variable): Augment alignment warning.
3783 Mon Jun 1 12:14:28 1998 Michael Meissner <meissner@cygnus.com>
3785 * config/fp-bit.c (_fp{add,div}_parts): Return correct IEEE result
3786 in the presence of IEEE negative 0's.
3788 Sun May 31 16:11:41 1998 John Wehle (john@feith.com)
3790 * reload.c (find_reloads): Record the existing mode if
3791 operand_mode == VOIDmode before replacing a register with
3793 * i386.md (tstsi, tsthi, tstqi, tstsf, tstdf, tstxf): Set
3794 i386_compare_op1 to const0_rtx for the benefit of the
3795 conditional move patterns.
3796 (movsicc, movhicc, movsfcc, movdfcc, movxfcc, movdicc): Rewrite
3797 based on suggestions from Jim Wilson.
3799 Sun May 31 00:44:02 PDT 1998 Jeff Law (law@cygnus.com)
3801 * version.c: Bump for snapshot.
3803 Sun May 31 00:34:17 1998 Bruce Korb <korbb@datadesign.com>
3805 * Makefile.in (fixinc.sh): Update rules again.
3807 Sun May 31 00:27:47 1998 Jeffrey A Law (law@cygnus.com)
3809 * extend.texi: Bring back reference to trampoline paper.
3811 Sun May 31 00:22:34 1998 Ulrich Drepper <drepper@cygnus.com>
3813 * Makefile.in (USER_H): Add stdbool.h.
3814 * ginclude/stdbool.h: New file.
3816 Fri May 29 01:48:25 1998 Jeffrey A Law (law@cygnus.com)
3818 * jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER
3821 * gcse.c (pre_delete): Fix code to determine the mode of
3822 the reaching pseudo register.
3824 Fri May 29 01:07:28 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3826 * Makefile.in (GEN): Add gencheck
3827 (STAGESTUFF): Add tree-check.h and gencheck.
3829 Fri May 29 00:57:37 1998 Bruce Korb <korbb@datadesign.com>
3831 * Makefile.in (cstamp-h.in): Remove before trying to recreate.
3832 (fixinc.sh): Set some additional environment variables before
3833 calling mkfixinc.sh.
3835 Thu May 28 12:57:05 1998 Jeffrey A Law (law@cygnus.com)
3837 * reload.c (find_reloads): Do not force a reloads of match_operators.
3839 Thu May 28 10:22:22 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3841 * except.h (remove_handler): Add new prototype.
3842 * except.c (remove_handler): New function to remove handlers
3843 from an exception region.
3844 * flow.c (find_basic_blocks_1): Remove handlers from regions when
3845 handler label is deleted; remove exception regions with no handlers.
3847 Thu May 28 09:36:39 1998 Michael Meissner <meissner@cygnus.com>
3849 * except.h (rtx): Define rtx type correctly if needed.
3850 * function.h (rtx): Ditto.
3851 (tree): Define tree type correctly if needed.
3853 * c-pragma.c (toplevel): Include rtl.h.
3855 * stor-layout.c (toplevel): Move include of rtl.h before
3858 * Makefile.in (c-pragma.o): Add except.h, rtl.h dependencies.
3859 (tree.o): Add except.h dependency.
3861 Wed May 27 22:02:40 1998 Jeffrey A Law (law@cygnus.com)
3863 * reload1.c: Revert accidental checkin.
3865 * configure.lang: Fix thinko when adding a definition for
3866 target_alias to the Makefile.
3868 Wed May 27 02:50:00 1998 Catherine Moore (clm@cygnus.com)
3870 * config/sparc/lb1spc.asm (.rem and .urem): Replace
3873 Wed May 27 02:48:31 1998 Richard Earnshaw (rearnsha@arm.com)
3875 * arm.c (arm_gen_constant): Rework to eliminate uninitialized
3876 variable warnings. Don't generate scratch registers if only
3878 (find_barrier): Eliminate unused variable SRC.
3880 1998-05-27 Manfred Hollstein <manfred@s-direktnet.de>
3882 * toplev.h (rtx_def): Provide global declaration to avoid
3883 `limited scope' warnings.
3885 Tue May 26 23:47:52 1998 Mumit Khan <khan@xraylith.wisc.edu>
3887 * Makefile.in (gencheck.o): Use HOST_CC.
3888 * i386/t-mingw32: New file.
3889 * configure.in (i386-*-mingw32*): Use.
3891 Tue May 26 07:31:04 1998 Richard Earnshaw (rearnsha@arm.com)
3893 * arm.c (bad_signed_byte_operand): New predicate function.
3894 * arm.h (PREDICATE_CODES): Add it to the list.
3895 * arm.md (*extendqi[sh]i_insn): Split any addresses that ldrsb
3897 (define_split): Two new splits for above insns.
3899 * arm.c: Include toplev.h.
3900 (arm_override_options): Add parentheses around use of tune_flags.
3901 (arm_split_constant): Remove unused variable.
3902 (arm_gen_constant, arm_gen_movstrqi, add_constant): Likewise.
3903 (output_func_prologue, arm_expand_prologue): Likewise.
3904 (arm_canonicalize_comparison): Make I unsigned; rework constants
3905 accordignly. Add missing paratheses around << operation.
3906 (arm_rtx_costs): Correctly parenthesise MULT costs. Add a DEFAULT
3908 ({load,store}_multiple_sequence): Initialize BASE_REG.
3909 (select_dominance_cc_mode): Add DEFAULT clauses.
3910 (broken_move): Return zero if the destination is not a register.
3911 (arm_reorg): Move unused REGNO declaration into the dead code.
3912 * arm.h (CANONICALIZE_COMPARISON): Ensure OP1 is updated.
3914 Mon May 25 22:49:56 PDT 1998 Jeff Law (law@cygnus.com)
3916 * version.c: Bump for snapshot.
3918 Mon May 25 11:56:24 PDT 1998 Jeff Law (law@cygnus.com)
3920 * version.c: Bump for snapshot.
3922 Mon May 25 14:00:13 1998 Dave Brolley <brolley@cygnus.com>
3924 * cpperror.c (v_cpp_message): Remove static prototype.
3925 * cpplib.c (v_cpp_message): Move prototype to cpplib.h.
3926 * cpplib.h (v_cpp_message): Add protoptype.
3927 (stdarg.h,varargs.h): Needed for v_cpp_message prototype.
3929 Sun May 24 20:36:15 PDT 1998 Jeff Law (law@cygnus.com)
3931 * version.c: Bump for snapshot.
3933 Sun May 24 02:08:57 PDT 1998 Jeff Law (law@cygnus.com)
3935 * version.c: Bump for snapshot.
3937 1998-05-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3939 * m68k.h: Declare more functions used in macros.
3940 (REG_CLASS_CONTENTS): Completely embrace initializer.
3941 * m68k.md (adddi3, subdi3): Add abort call to avoid warning
3942 about returning no value.
3943 * cse.c (find_best_addr): Declare p and found_better only if
3945 * dbxout.c (dbxout_continue): Define only if DBX_CONTIN_LENGTH > 0.
3946 * dwarfout.c (string_length_attribute): #if 0 away.
3947 * function.c (expand_function_end): Define varible blktramp only
3949 * jump.c (find_insert_position): Define only if !HAVE_cc0.
3950 * loop.c (combine_givs_p): Define variable tem only if needed.
3951 * real.c: Comment out unused functions eabs, eround,
3952 e{24,53,64,113}toasc and eiinfin.
3955 Sat May 23 23:44:53 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3957 * Makefile.in (boostrap2-lean, bootstrap3-lean,
3958 bootstrap4-lean): New targets.
3960 Sat May 23 23:35:14 1998 Jeffrey A Law (law@cygnus.com)
3962 * warn_summary, test_summary: Moved into the contrib directory.
3964 1998-05-23 Manfred Hollstein <manfred@s-direktnet.de>
3966 * Makefile.in (ENQUIRE_CFLAGS, ENQUIRE_LDFLAGS): Move down to the end
3968 (FLOAT_H_TEST): Likewise.
3969 (ENQUIRE): Likewise.
3970 (float.h-nat): Likewise.
3971 (float.h-cross): Likewise.
3972 (enquire): Likewise.
3973 (enquire.o): Likewise.
3974 (stmp-int-hdrs): Fix comment about enquire; depend upon gfloat.h.
3975 (stmp-headers): Move actions to stmp-int-hdrs, retaining only a
3977 (FLOAT_H): Remove old float.h-nat version; move current definition
3978 to CROSS_FLOAT_H location.
3979 (all.cross): Remove comments about enquire stuff.
3981 * Makefile.in (all.cross): Swap $(LIBGCC) and $(STMP_FIXPROTO).
3982 (rest.encap): Likewise.
3983 (libgcc2.ready): Depend upon $(STMP_FIXPROTO)
3985 * toplev.h (tree_node): Provide global declaration to avoid
3986 `limited scope' warnings.
3988 Sat May 23 23:23:35 1998 Robert Lipe <robertl@dgii.com>
3990 * test_summary: Display section breaks for each entry
3991 in a multilibbed target's output.
3993 1998-05-23 Richard Henderson <rth@cygnus.com>
3995 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
3996 offset's mode is not ptr_mode, convert it.
3998 1998-05-22 Jason Merrill <jason@yorick.cygnus.com>
4000 * fold-const.c (ssize_binop): New fn.
4001 * tree.h: Declare it.
4003 Fri May 22 03:42:05 1998 Richard Earnshaw (rearnsha@arm.com)
4005 * genextract.c (print_path): Handle zero-length path as a special
4008 Fri May 22 01:38:07 1998 Hans-Peter Nilsson <hp@axis.se>
4010 * cplus-dem.c (MBUF_SIZE): Bumped from 512 to 32767.
4012 Fri May 22 00:57:00 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
4014 * final.c (JUMP_TABLES_IN_TEXT_SECTION): Provide a default value.
4015 (shorten_branches, final_scan_insn): Test value of
4016 JUMP_TABLES_IN_TEXT_SECTION instead of just testing whether it
4018 * tm.texi (JUMP_TABLES_IN_TEXT_SECTION): Corresponding changes.
4019 * arm/coff.h: Define JUMP_TABLES_IN_TEXT_SECTION to 1.
4020 * arm/tcoff.h: Likewise.
4021 * i386/386bsd.h: Likewise.
4022 * i386/freebsd-elf.h: Likewise.
4023 * i386/freebsd.h: Likewise.
4024 * i386/netbsd.h: Likewise.
4025 * i386/ptx4-i.h: Likewise.
4026 * i386/sysv4.h: Likewise.
4027 * pa/pa.h: Likewise.
4028 * rs6000/linux.h: Likewise.
4029 * rs6000/rs6000.h: Likewise.
4030 * sh/sh.h: Likewise.
4031 * sparc/sp64-elf.h: Likewise.
4032 * v850/v850.h: Likewise.
4033 * rs6000/sysv4.h: Define JUMP_TABLES_IN_TEXT_SECTION to 0.
4034 * i386/linux.h: Define JUMP_TABLES_IN_TEXT_SECTION to (flag_pic).
4036 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4038 * regmove.c (gen_add3_insn): New function.
4039 (fixup_match_2): Use it instead of calling gen_addsi3.
4041 Thu May 21 23:09:50 1998 Jeffrey A Law (law@cygnus.com)
4043 * Makefile.in (gencheck): Depend on HOST_LIBDEPS.
4045 * alias.c (rtx_equal_for_memref_p): Handle SCRATCH as a memory
4048 Thu May 21 20:18:13 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
4050 * Makefile.in (TREE_H): Add tree-check.h.
4051 (tree-check.h, gencheck): New targets.
4052 * gencheck.c: New file.
4053 * tree.c (tree_check, tree_class_check): New functions.
4054 * tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define.
4055 (TYPE_CHECK, DECL_CHECK): Define.
4056 Modify all access macros to use generated checking macros.
4058 Wed May 20 23:44:28 EDT 1998 John Wehle (john@feith.com)
4060 * acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag.
4061 * configure.in: Check for it.
4062 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Use it.
4063 * final.c (uid_align, uid_shuid, label_align): Make static.
4064 (label_align): Change type to struct label_alignment pointer.
4065 (LABEL_TO_ALIGNMENT, shorten_branches): Update due to type change.
4066 (LABEL_TO_MAX_SKIP): Define.
4067 (LABEL_ALIGN_MAX_SKIP, LOOP_ALIGN_MAX_SKIP,
4068 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Provide defaults.
4069 (shorten_branches): Record the maximum bytes to skip when
4071 (final_scan_insn): Use the maximum bytes to skip when aligning a label
4072 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
4073 * i386.h (LOOP_ALIGN_MAX_SKIP,
4074 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
4075 * i386.c (override_options): i386_align_jumps and i386_align_loops
4076 default to 4 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
4077 * invoke.texi: Document new i386 align-loops and align-jumps behavior.
4079 1998-05-21 Mark Mitchell <mmitchell@usa.net>
4081 * cplus-dem.c (do_type): Handle volatile qualification.
4083 Thu May 21 12:23:17 1998 Per Bothner <bothner@cygnus.com>
4085 * function.c (init_function_start): Don't call emit_line_note if
4086 lineno is 0. (Can happen when compiling Java .class files.)
4088 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4090 * reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT
4091 end of lifetime and RELOAD_FOR_OUTPUT start of lifetime.
4093 Thu May 21 19:32:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4095 * combine.c (nonzero_bits): For paradoxical subregs, take
4096 LOAD_EXTENDED_OP into account.
4098 Thu May 21 11:51:15 1998 Dave Brolley <brolley@cygnus.com>
4100 * configure.in (extra_c_objs): add prefix.o.
4101 (extra_cxx_objs): extra objects for C++ with cpplib.
4102 * configure: Regenerate.
4104 * c-tree.h: (get_directive_line): Different prototype for cpplib.
4105 (GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line.
4107 * c-lex.h: (get_directive_line): Not needed here for cpplib.
4109 * c-lex.c: (yy_cur,yy_lim,yy_get_token): Move to c-common.c.
4110 (GET_DIRECTIVE_LINE): Move to c-common.c and rename to get_directive_line.
4112 * c-common.c (parse_in,parse_options,cpp_token): Declare for cpplib.
4113 (yy_cur,yy_lim,yy_get_token,get_directive,line): Moved here from c-lex.c
4115 Thu May 21 09:04:42 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4117 * gengenrtl.c (type_from_format, accessor_from_format): Change
4118 type of parameter `c' from `char' to `int'.
4120 Wed May 20 22:28:34 1998 Jeffrey A Law (law@cygnus.com)
4122 * warn_summary, test_summary: New scripts from
4123 Kaveh Ghazi and Alexandre Oliva respectively.
4125 * gcse.c (current_function_calls_longjmp): Declare.
4127 1998-05-20 Jason Merrill <jason@yorick.cygnus.com>
4129 * dwarf2out.c (base_type_die): Use int_size_in_bytes.
4131 Wed May 20 01:11:02 1998 Doug Evans (devans@cygnus.com)
4132 Jeff Law (law@cygnus.com)
4134 * Global CSE and constant/copy propagation.
4135 * Makefile.in (OBJS): Add gcse.o
4136 (STAGESTUFF): Add *.gcse.
4137 (gcse.o): Add dependencies.
4138 (mostlyclean): Remove *.gcse and */*.gcse.
4140 * loop.c (loop_optimize): Move call to init_alias_analysis.
4141 * recog.c (validate_replace_src): New function.
4142 * toplev.c (gcse_dump): New global variable.
4143 (flag_gcse, gcse_time): Likewise.
4144 (compile_file): Initialize gcse_time and clean out the gcse dump
4146 (rest_of_compilation): Call gcse_main as requested. Dump RTL
4147 after gcse if requested.
4148 (main): Enable gcse for -O2 and above. Handle -dG. Enable gcse
4150 * gcc.texi: Add gcse related internal documentation.
4151 * invoke.texi: Note new command line options for gcse.
4152 * tm.texi: Document AVOID_CCMODE_COPIES.
4153 * mips.h (AVOID_CCMODE_COPIES): Define.
4155 Tue May 19 22:31:20 1998 Jeffrey A Law (law@cygnus.com)
4157 * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
4159 (stmp-fixproto): Simlarly for running fixproto.
4160 * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.
4162 Tue May 19 19:08:52 1998 Jim Wilson <wilson@cygnus.com>
4164 * config/mips/mips.c (double_memory_operand): Accept any MEM during
4165 reload when TARGET_64BIT.
4167 Tue May 19 18:21:25 1998 Jim Wilson <wilson@cygnus.com>
4169 Finish incomplete change started by Kenner.
4170 * configure.in (*-*-linux-gnu*): Delete NO_STAB_H from xm_defines.
4171 (powerpcle-*-cygwin32): Delete xm_defines.
4172 * final.c, mips-tfile.c, xcoffout.c, config/mips/mips.c: Use
4173 HAVE_STAB_H instead of NO_STAB_H.
4174 * config/xm-linux.h (NO_STAB_H): Delete.
4175 (HAVE_STAB_H): Undefine.
4176 * config/i386/xm-go32.h (NO_STAB_H): Delete.
4178 1998-05-19 Jim Wilson <wilson@cygnus.com>
4180 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore
4181 LANG_TYPE trees with DECL_SOURCE_LINE of 0.
4183 Tue May 19 15:07:54 1998 Todd Vierling <tv@netbsd.org>
4185 * arm/netbsd.h: Ensure DWARF2_UNWIND_INFO is undefined.
4187 Tue May 19 17:19:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4189 * reload1.c (reload_reg_free_for_value_p): New function.
4190 (allocate_reload_reg, choose_reload_regs): Use it.
4192 Tue May 19 11:51:00 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
4194 * except.c (expand_start_catch): Correct logic for when to
4195 generate a new handler label, and when to use the old one.
4197 Tue May 19 11:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4199 * Makefile.in (print-rtl.o): Depend on bitmap.h.
4200 (dbxout.o): Depend on toplev.h.
4201 ($(SCHED_PREFIX)sched.o): Likewise.
4202 ($(out_object_file)): Likewise for system.h and toplev.h.
4203 (cppmain.o): Depend on gansidecl.h.
4204 (cpplib.o): Likewise.
4205 (cpperror.o): Likewise.
4206 (cppexp.o): Likewise.
4207 (cpphash.o): Likewise.
4208 (cppalloc.o): Likewise.
4209 (fix-header.o): Depend on cpplib.h and cpphash.h.
4210 (scan-decls.o): Depend on gansidecl.h.
4212 * basic-block.h (free_regset_vector): Add prototype.
4214 * cccp.c (check_precompiled): Mark parameter `fname' with
4216 (do_assert): Likewise for `op' and `keyword'.
4217 (do_unassert): Likewise.
4218 (do_line): Likewise for `keyword'.
4219 (do_error): Likewise for `op' and `keyword'.
4220 (do_warning): Likewise.
4221 (do_ident): Likewise for `keyword'.
4222 (do_pragma): Likewise for `limit', `op' and `keyword'.
4223 (do_sccs): Likewise.
4224 (do_if): Likewise for `keyword'.
4225 (do_elif): Likewise.
4226 (do_else): Likewise.
4227 (do_endif): Likewise.
4229 * collect2.c (getenv): Remove redundant prototype.
4230 (collect_exit, collect_execute, dump_file): Likewise.
4231 (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST.
4232 (dump_prefix_list): Hide prototype and definition.
4234 * sparc.c: Include toplev.h.
4235 (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
4236 (symbolic_memory_operand): Likewise.
4237 (sp64_medium_pic_operand): Likewise.
4238 (data_segment_operand): Likewise.
4239 (text_segment_operand): Likewise.
4240 (splittable_symbolic_memory_operand): Likewise.
4241 (splittable_immediate_memory_operand): Likewise.
4242 (eq_or_neq): Likewise.
4243 (normal_comp_operator): Likewise.
4244 (noov_compare_op): Likewise.
4245 (v9_regcmp_op): Likewise.
4246 (v8plus_regcmp_op): Likewise.
4247 (extend_op): Likewise.
4248 (cc_arithop): Likewise.
4249 (cc_arithopn): Likewise.
4250 (small_int): Likewise.
4251 (uns_small_int): Likewise.
4252 (clobbered_register): Likewise.
4253 (legitimize_pic_address): Likewise.
4254 (delay_operand): Likewise.
4255 (sparc_builtin_saveregs): Remove unused variable `stdarg'.
4257 * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay,
4258 sparc_issue_rate, v8plus_regcmp_p): Add prototypes.
4260 * sparc.md (cmpdi_v8plus): Add abort for default case in switch.
4262 * cppalloc.c: Include gansidecl.h.
4264 * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h.
4265 (cpp_file_line_for_message): Mark parameter `pfile' with
4267 (v_cpp_message): New function.
4268 (cpp_message): Use it. Also convert to variable arguments.
4269 (cpp_fatal): Likewise.
4270 (cpp_pfatal_with_name): Constify parameter `name'.
4272 * cppexp.c: Move gansidecl.h before cpplib.h.
4273 * cpphash.c: Likewise.
4274 * cpphash.h (hashf, delete_macro): Add prototypes.
4276 * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before
4277 cpplib.h. Don't include errno.h.
4278 (update_path): Add arguments to prototype.
4279 (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro,
4280 cpp_print_containing_files): Remove redundant prototypes.
4281 (cpp_hash_cleanup, add_import, append_include_chain,
4282 make_assertion, path_include, initialize_builtins,
4283 initialize_char_syntax, finclude, validate_else, comp_def_part,
4284 lookup_import, redundant_include_p, is_system_include,
4285 read_name_map, read_filename_string, open_include_file,
4286 check_macro_name, compare_defs, compare_token_lists,
4287 eval_if_expression, change_newlines): Add prototype arguments.
4288 (hashf): Remove redundant prototype.
4289 (read_token_list, free_token_list, safe_read, xcalloc, savestring,
4290 conditional_skip, skip_if_group): Add prototype arguments.
4291 (fdopen): Remove redundant prototype.
4292 (do_define, do_line, do_include, do_undef, do_error, do_pragma,
4293 do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs,
4294 do_once, do_assert, do_unassert, do_warning): Add prototype arguments.
4295 (struct directive): Add prototype arguments to function pointer
4297 (handle_directive): Add missing arguments to call to `do_line'.
4298 (do_include): Mark parameters `unused1' and `unused2' with
4300 (do_line): Likewise for `keyword' and new parameters `unused1' and
4302 (do_error): Likewise for `keyword'.
4303 (do_warning): Likewise. Also add missing argument `pfile' in call
4305 (do_once): Mark parameter `keyword', `unused1' and `unused2' with
4307 (do_ident): Likewise for `keyword', `buf' and `limit'.
4308 (do_pragma): Likewise. Also add missing arguments in call to do_once.
4309 (do_sccs): Mark parameter `keyword', `buf' and `limit' with
4311 (do_if): Likewise for `keyword'.
4312 (do_elif): Likewise.
4313 (eval_if_expression): Likewise for `buf' and `length'.
4314 (do_xifdef): Likewise for `unused1' and `unused2'.
4315 (do_else): Likewise for `keyword', `buf' and `limit'.
4316 (do_endif): Likewise.
4317 (parse_name): Add missing argument `pfile' in call to cpp_pedwarn.
4318 (cpp_handle_options): Remove superfluous NULL argument in call to
4320 (cpp_handle_options): Likewise.
4321 (do_assert): Mark parameter `keyword', `buf' and `limit' with
4323 (do_unassert): Likewise.
4324 (cpp_print_file_and_line): Add missing argument `pfile' in call to
4325 cpp_file_line_for_message.
4326 (v_cpp_error): New function.
4327 (cpp_error): Use it. Also accept variable arguments.
4328 (v_cpp_warning): New function.
4329 (cpp_warning): Use it. Also accept variable arguments.
4330 (cpp_pedwarn): Accept variable arguments.
4331 (v_cpp_error_with_line): New function
4332 (cpp_error_with_line): Use it. Accept variable arguments.
4333 (v_cpp_warning_with_line): New function.
4334 (cpp_warning_with_line): Use it. Accept variable arguments. Hide
4336 (cpp_pedwarn_with_line): Accept variable arguments.
4337 (cpp_pedwarn_with_file_and_line): Likewise.
4338 (cpp_error_from_errno): Constify parameter `name'. Add missing
4339 argument `pfile' in call to cpp_file_line_for_message.
4340 (cpp_perror_with_name): Constify parameter `name'.
4342 * cpplib.h: Define PARAMS() in terms of PROTO().
4343 (fatal): Remove redundant prototype.
4344 (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line,
4345 cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line,
4346 cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name,
4347 cpp_fatal, cpp_message, cpp_pfatal_with_name,
4348 cpp_file_line_for_message, cpp_print_containing_files): Add
4349 arguments to prototypes.
4350 (scan_decls, cpp_finish): Add prototypes.
4352 * cppmain.c: Include gansidecl.h.
4353 (main): Remove unused variable `i'.
4355 * dbxout.c: Include toplev.h.
4357 * demangle.h (do_tlink, collect_execute, collect_exit,
4358 collect_wait, dump_file, file_exists): Add prototype.
4360 * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide
4361 prototype and definition.
4362 (gen_unspecified_parameters_die): Don't assign results of call to
4363 function new_die() to unused variable `parm_die'.
4364 (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED.
4365 (dwarf2out_define): Likewise for `lineno' and `buffer'.
4367 * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide
4368 prototype and definition.
4369 (output_die): Add prototype arguments to function pointer arg.
4370 (output_unspecified_parameters_die): Mark parameter `arg' with
4373 * except.c (output_exception_table_entry): Remove unused variable
4376 * except.h (expand_fixup_region_start, expand_fixup_region_end):
4379 * expr.c (do_jump_by_parts_equality_rtx): Remove prototype.
4381 * expr.h (do_jump_by_parts_equality_rtx): Add prototype.
4383 * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h
4384 before cpplib.h, include cpphash.h, remove redundant prototype of
4385 cpp_fatal, don't define `const', add a prototype for `fatal'.
4386 (cpp_file_line_for_message): Add missing arguments `pfile'.
4387 (v_cpp_message): New function.
4388 (cpp_message): Use it.
4389 (v_fatal): New function.
4390 (fatal, cpp_fatal): Use it.
4391 (cpp_pfatal_with_name): Constify parameter `name'.
4393 * flow.c (free_regset_vector): Remove redundant prototype.
4395 * function.c (round_down): Wrap prototype and definition with
4396 macro ARGS_GROW_DOWNWARD.
4397 (record_insns): Wrap prototype and definition with
4398 defined (HAVE_prologue) || defined (HAVE_epilogue).
4400 * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros.
4402 * gen-protos.c: Include gansidecl.h.
4403 (hashf): Don't make it static, constify parameter `name'.
4405 * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match
4406 specifier %s in calls to function `fatal'.
4408 * haifa-sched.c: Include toplev.h.
4409 (find_rgns): Remove unused variable `j'.
4411 * integrate.c (note_modified_parmregs): Mark parameter `x' with
4413 (mark_stores): Likewise.
4415 * jump.c (mark_modified_reg): Likewise.
4417 * output.h (insn_current_reference_address): Add prototype.
4418 (eh_frame_section): Likewise.
4420 * print-rtl.c: Include bitmap.h.
4422 * reload1.c (reload): Wrap variables `note' and `next' in macro
4423 PRESERVE_DEATH_INFO_REGNO_P.
4424 (forget_old_reloads_1): Mark parameter `ignored' with
4426 (choose_reload_regs): Remove unused variable `in'.
4427 (reload_cse_invalidate_mem): Mark parameter `ignore' with
4429 (reload_cse_check_clobber): Likewise.
4431 * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype.
4432 (mark_elimination): Fix typo in prototype.
4434 * scan-decls.c: Include gansidecl.h.
4436 * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype.
4438 Mon May 18 22:37:33 1998 Jeffrey A Law (law@cygnus.com)
4440 * function.c (identify_blocks): Fix thinko when setting the
4441 block number for NOTE_INSN_BLOCK_END.
4443 Mon May 18 15:30:42 1998 Nick Clifton <nickc@cygnus.com>
4445 * config/v850/lib1funcs.asm: Add .text pseudo op to start of
4448 * config/v850/lib1funcs.asm: Fix .size pseudo ops to use three
4449 underscores for the prefixes to the names of the maths functions.
4451 * dbxout.c (dbxout_parms): Revert to using DECL_ARG_TYPE. Add
4452 comment explaining why.
4454 Mon May 18 13:20:23 1998 Richard Henderson <rth@cygnus.com>
4456 * tree.h (TYPE_SIZE_UNIT): New.
4457 (struct tree_type): Add size_unit member.
4458 * stor-layout.c (layout_type): Initialize it.
4459 * expr.c (get_inner_reference) [ARRAY_REF]: Use it.
4460 * tree.c (size_in_bytes, int_size_in_bytes): Likewise.
4462 Mon May 18 12:07:37 1998 Richard Earnshaw (rearnsha@arm.com)
4464 * stor-layout.c (layout_record): Fix off-by-one error when checking
4465 length of the TYPE_BINFO vector.
4467 Mon May 18 10:59:23 1998 Nick Clifton <nickc@cygnus.com>
4469 * dbxout.c (dbxout_parms): Use TREE_ARG to compute the type of a
4470 function parameter passed in memory.
4472 Mon May 18 09:02:09 1998 Robert Lipe <robertl@dgii.com>
4474 * dwarfout.h, dwarf2out.h, dbxout.h, sdbout.h: New files.
4475 Prototypes for externally used functions in respective C files.
4476 * dwarfout.c, dbxout.c, dwarf2out.c, sdbout.c, toplev,c,
4477 final.c: Include above files.
4478 * Makefile.in (toplev.o): Add dependency for above four headers.
4479 (final.o): Likewise.
4480 (dwarfout.o, dbxout.o, dwarf2out.o, sdbout.o): Depend on four
4481 respective header files.
4483 Mon May 18 01:23:33 1998 Jeffrey A Law (law@cygnus.com)
4485 * Makefile.in (TARGET_TOOLPREFIX): No longer define.
4486 (AR_FOR_TARGET, RANLIB_FOR_TARGET): Define to use versions in
4487 the build tree if they exist.
4488 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Update
4490 (objdir): Let configure substitute value.
4491 (FLOAT_H): Let configure select a pre-built version from the
4493 * build-make (INSTALL_TARGET, ALL): Disable, no longer needed.
4494 * configure.in: Substitute for objdir.
4496 * Makefile.in (build_canonical, host_canonical): Let configure
4497 substitute values for these variables.
4498 * configure.in: Substitute for build_canonical, host_canonical
4499 and target_subdir in generated Makefile.
4501 * output.h (find_basic_blocks): Declare.
4502 (free_basic_block_vars, set_block_num, life_analysis): Likewise.
4504 * Makefile.in (BISON): Use bison from the build tree if it exists.
4507 Mon May 18 00:08:19 1998 Nick Clifton <nickc@cygnus.com>
4509 * gcc.c (SWITCH_CURTAILS_COMPILATION): Definition.
4510 (DEFAULT_SWITCH_CURTAILS_COMPILATION): True for options -S and -c.
4511 (process_command): If HAVE_EXECUTABLE_SUFFIX is defined then scan
4512 command line arguments to see if an executable is not being
4513 created, and if so - do not append the suffix.
4515 * tm.texi (SWITCH_CURTAILS_COMPILATION): Add description of new
4518 Sun May 17 23:59:45 1998 John Wehle (john@feith.com)
4520 * i386.h (ALIGN_DFmode): Delete.
4521 (CONSTANT_ALIGNMENT): Define.
4522 * varasm.c (force_const_mem): Use it.
4524 Sun May 17 19:31:05 1998 Richard Henderson <rth@cygnus.com>
4526 * alpha.c (alpha_emit_conditional_branch): Clear cmp_code after
4527 using it with swap_condition, not before.
4529 Sun May 17 13:44:32 1998 Jim Wilson <wilson@cygnus.com>
4531 * alias.c (mode_alias_check): Delete.
4532 (true_dependence, anti_dependence, output_dependence): Revert April 21
4535 Sun May 17 08:45:21 1998 Krister Walfridsson <cato@df.lth.se>
4537 * toplev.c (output_lang_identify): Enable prototype and definition.
4539 Sun May 17 01:12:27 PDT 1998 Jeff Law (law@cygnus.com)
4541 * version.c: Bump for snapshot.
4543 Sat May 16 23:20:32 1998 Richard Henderson <rth@cygnus.com>
4545 * alpha/osf.h (HAVE_STAMP_H): Define.
4547 * alpha/netbsd.h, alpha/netbsd-elf.h: New files.
4548 * configure.in (alpha*-*-netbsd*): New.
4549 Based on patches from Paul H. Anderson <pha@pdq.com>.
4551 * configure.in (alpha*-*-linux-*): Kill xm_defines.
4552 (alpha*-*-linux-gnulibc1*) [fixincludes]: Define.
4553 * alpha/xm-linux.h: Remove file.
4555 Sat May 16 18:32:45 1998 Doug Evans <devans@canuck.cygnus.com>
4557 * dbxout.c (dbxout_parms): If mode of type of parameter living
4558 in memory doesn't match mode of DECL_RTL, make big endian correction.
4560 Fri May 15 21:40:06 1998 John Wehle (john@feith.com)
4562 * i386.md (movdi-1, movdi): Rewrite based on SI move patterns.
4564 Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com>
4566 * tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros.
4567 * stor-layout.c (layout_record): Set it.
4569 Fri May 15 18:49:30 1998 Mark Mitchell <mmitchell@usa.net>
4571 * toplev.c (rest_of_compilation): Don't defer nested functions.
4573 Fri May 15 17:42:52 1998 Bob Manson <manson@charmed.cygnus.com>
4575 * config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom
4576 to an 8-byte boundary if info_ptr->fpmem_p.
4578 Fri May 15 17:36:11 1998 Bill Moyer <ttk@cygnus.com>
4580 * loop.c (basic_induction_var): Added test preventing
4581 CCmode parameter passed to convert_modes().
4583 Fri May 15 17:26:18 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4585 * expr.c (expand_expr, case EXPR_WITH_FILE_LOCATION): Save/restore
4586 input_filename and lineno around expand_expr call. Set them to values
4587 in WFL before expand_expr call.
4589 Fri May 15 12:44:57 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
4591 * stor-layout.c (set_sizetype): Set TYPE_NAME on bitsizetype.
4593 Fri May 15 07:20:03 1998 Mark Mitchell <mmitchell@usa.net>
4595 * fold-const.c (constant_boolean_node): New function.
4598 Fri May 15 11:21:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4600 * sh.c (gen_shl_and): Don't sign extend constant for kind two.
4601 Abort if trying to split kind 3 or 4 outside of combine.
4603 Fri May 15 01:47:37 1998 Jeffrey A Law (law@cygnus.com)
4605 * mips.c (print_operand, case 'x'): Use HOST_WIDE_INT_PRINT_HEX.
4607 Fri May 15 01:42:45 1998 Mumit Khan <khan@xraylith.wisc.edu>
4609 * objc/Make-lang.in (OBJC_O): Add missing exeext.
4610 (libobjc.a, runtime-info.h): Likewise.
4612 Fri May 15 01:29:39 1998 John Wehle (john@feith.com)
4614 * i386.h (DATA_ALIGNMENT): Define.
4616 Fri May 15 05:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4618 * reload1.c (delete_output_reload): Ignore single USE that
4619 was emitted for the pseudo use of this INSN.
4620 If the no reference to REG between OUTPUT_RELOAD_INSN and INSN
4621 remains, we can always delete OUTPUT_RELOAD_INSN.
4623 Thu May 14 18:38:50 1998 Jim Wilson <wilson@cygnus.com>
4625 * reload.c (find_reloads): Don't penalize SCRATCH output reload.
4627 Thu May 14 15:10:30 1998 Jeffrey A Law (law@cygnus.com)
4629 * Makefile.in (expr.o): Remove dependency on deleted modemap.def file.
4631 Thu May 14 16:30:47 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
4633 * eh-common.h: New file for basic EH data structures.
4634 * except.h: Various prototypes and structures for NEW_EH_MODEL
4635 * function.h (struct function): Add a struct eh_stack for the catch
4637 * except.c (gen_exception_label): New function to generate an
4639 (push_eh_entry): Use gen_exception_label() and init 'label_used' field.
4640 (push_entry): New function to push an existing entry onto a stack.
4641 (receive_exception_label): New function to emit the code required
4642 at the start of all catch blocks.
4643 (struct func_eh_entry): New structure for maintaining handlers
4644 associated with EH regions.
4645 (new_eh_region_entry): New function to register an EH region.
4646 (add_new_handler): New function to register a handler with a region.
4647 (get_new_handler): Creates anew handler entry for registering.
4648 (find_func_region): New function to convert a NOTE eh region number
4649 to an Eh region index.
4650 (get_first_handler): New function to get the first handler in a region.
4651 (clear_function_eh_region): New function to release memory.
4652 (duplicate_handlers): New function to duplicate a list of handlers.
4653 (expand_eh_region_end): Create a new region entry node as well.
4654 (expand_leftover_cleanups): Call receive_exception_label() and
4655 register the cleanup as a handler to the current region.
4656 (expand_start_catch): New function to start a catch clause.
4657 (expand_end_catch): New function to end a catch clause.
4658 (expand_start_all_catch): restructure to not do the equivilent of
4659 what expand_start_catch() does now. Push the exception region being
4660 handled onto the catch stack.
4661 (output_exception_table_entry): Issue an entry for each handler
4662 associated with a region.
4663 (set_exception_lang_code): New function for setting the language code.
4664 (set_exception_version_code): New function to set the version number.
4665 (output_exception_table): Output version and language codes.
4666 (find_exception_handler_labels): Find handler labels using new scheme.
4667 (is_exception_handler_label): New function, returns 1 if label is
4668 present as a handler in some exception region.
4669 (check_exception_handler_labels): Use the new scheme.
4670 (init_eh_for_function): Initialize the catch stack.
4671 (save_eh_status): Save the catch stack.
4672 (restore_eh_status): Restore the catch stack.
4673 (scan_region): Don't remove unreferenced handler label. Flow does it.
4674 (get_reg_for_handler): New function to get the eh_context pointer
4676 (expand_builtin_eh_stub): Changes required for NEW_EH_MODEL only.
4677 * final.c (final_scan_insn): With NEW_EH_MODEL, add EH table
4678 entry when processing END region rather that START region.
4679 * flow.c (find_basic_blocks_1): Find all potential handler regions
4680 now that we don't automatically know what the labels might be.
4681 Let scan_region() remove unreferenced EH BEGIN/END labels.
4682 * integrate.c (get_label_from_map): Put inlined labels onto the
4683 permanent obstack since we dont know which ones might be exception
4685 (save_for_inline_copying): Make new copies of all the handlers.
4686 (expand_inline_function): Make new copies of all the handlers.
4687 * libgcc2.c: Remove local struct decls, and include eh-common.h.
4688 (find_exception_handler): With NEW_EH_MODEL the first matching
4689 region we find is the right one. Add eh_info as a new parameter.
4690 (__throw): Pass eh_info to find_exception_handler. Set handler
4691 and pass use different regs under NEW_EH_MODEL.
4693 Thu May 14 12:58:21 1998 Jim Wilson <wilson@cygnus.com>
4695 * i960.h (hard_regno_mode_ok): Changed to function from array of
4697 (HARD_REGNO_MODE_OK): Call function instead of testing bit.
4698 * i960.c (hard_regno_mode_ok): Changed to function from array of
4701 Thu May 14 08:41:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4703 * reload.c (remove_replacements): New function.
4704 * reload.h (remove_replacements): Declare.
4705 * reload1.c (choose_reload_regs): Disable some reloads that
4706 belong to inherited reloads.
4708 Thu May 14 02:17:17 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4710 * loop.c (scan_loop): Don't call move_moveables for optimize_size.
4712 * reload1.c (merge_assigned_reloads): When merging, reset
4713 reload_spill_index for the eliminated reload.
4715 Wed May 13 17:51:13 1998 Jeffrey A Law (law@cygnus.com)
4717 * haifa-sched.c (schedule_insns): Fix merge goof.
4719 1998-05-13 Jim Wilson <wilson@cygnus.com>
4721 * varasm.c (make_decl_rtl): Revert April 1 change.
4722 * alpha/alpha.h, alpha/win-nt.h, arm/arm.h, i386/unix.h, i960/i960.h,
4723 m68k/linux.h, pa/pa.h, sparc/sparc.h, vax/vax.h (ASM_OUTPUT_MI_THUNK):
4724 Get function name from the SYMBOL_REF in the DECL_RTL, not from
4725 DECL_ASSEMBLER_NAME.
4726 * i386/winnt.c (gen_stdcall_suffix): Comment for questionable use of
4727 DECL_ASSEMBLER_NAME.
4729 Wed May 13 13:09:19 1998 Jim Wilson <wilson@cygnus.com>
4731 * i386.c (notice_update_cc, output_float_compare): Disable
4732 TARGET_CMOVE support.
4734 Wed May 13 15:28:59 1998 Michael Meissner <meissner@cygnus.com>
4735 Jeff Law <law@cygnus.com>
4737 * rtlanal.c (find_reg_note): Ignore notes that are not on on
4739 (find_regno_note): Likewise.
4741 * Makefile.in (stor-layout.o): Depend on except.h
4742 (varasm.o, function.o): Likewise.
4743 (expr.o): Depend on except.h, modemap.def and hard-reg-set.h.
4745 * Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o.
4746 (rtl.o, emit-rtl.o): Add dependency on bitmap.h.
4747 ($(HOST_PREFIX_1)rtl.o): Likewise.
4748 ($(HOST_PREFIX_1)bitmap.o): New host object.
4749 * emit-rtl.c (toplevel): Include bitmap.h.
4750 (gen_rtx): Handle 't' and 'b' nodes.
4751 * print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes.
4752 Print block number for block begin/end notes. Print 't' type
4753 nodes as a pointer. Know that the 3rd argument of live range
4754 start/stop notes is really a range_info rtx. If type is 'b', print
4755 out argument as a bitmap.
4756 * rtl.c: Include bitmap.c.
4757 (copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'.
4758 (note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE.
4759 * rtl.def (RANGE_LIVE): New node to hold live information while we
4760 recalculate the basic blocks.
4761 (RANGE_REG, RANGE_INFO): New rtl types for live range splitting.
4762 (RANGE_VAR): New node, to hold information saved in symbol node for New
4763 communicating live range information to the debug output functions.
4764 * rtl.h (rtunion_def): Add rttree and rtbit fields.
4765 (XBITMAP, XTREE): New accessor macros.
4766 (NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes.
4767 (NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes.
4768 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Define.
4769 (NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes.
4770 (RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros.
4771 (RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros.
4772 (RANGE_INFO_*): Likewise.
4773 * sched.c (sched_analyze): Keep live range start/stop notes.
4774 (unlink_other_notes): Likewise.
4775 * haifa-sched.c (sched_analyze): Keep live range start/stop notes.
4776 (unlink_other_notes): Likewise.
4777 * tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros.
4778 (BLOCK_LIVE_RANGE_FLAG): Likewise.
4779 (DECL_LIVE_RANGE_RTL): Likewise.
4780 (struct tree_block): Add live_range_flag, live_range_var_flag,
4781 live_range_start and live_range_end.
4782 (struct tree_decl): Add live_range_rtl field.
4783 * gengenrtl.c (type_from_format): Handle 'b' and 't'.
4784 (accessor_from_format): Likewise.
4786 * haifa-sched.c (schedule_block): Make verbose output line up.
4787 Also add a blank line in printing the individual ready lists.
4789 Wed May 13 15:43:44 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4791 * Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
4792 (c-lex.o): Depend on output.h.
4793 (c-common.o): Likewise.
4795 (calls.o): Likewise.
4796 (integrate.o): Depend on toplev.h.
4797 (regclass.o): Depend on output.h.
4798 (final.o): Depend on reload.h.
4800 * c-common.c: Include output.h.
4801 (check_format_info): Remove unused variable `integral_format'.
4803 * c-decl.c (print_lang_decl): Mark parameters `file', `node' and
4804 `indent' with ATTRIBUTE_UNUSED.
4805 (print_lang_type): Likewise.
4806 (maybe_build_cleanup): Likewise for parameter `decl'.
4807 (copy_lang_decl): Likewise for parameter `node'.
4809 * c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
4810 (lang_print_xnode): Mark parameters `file', `node' and `indent'
4811 with ATTRIBUTE_UNUSED.
4812 (lookup_interface): Likewise for parameter `arg'.
4813 (is_class_name): Likewise.
4814 (maybe_objc_check_decl): Likewise for parameter `decl'.
4815 (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
4817 (maybe_objc_method_name): Likewise for parameter `decl'.
4818 (build_objc_string): Likewise for parameters `len' and `str'.
4820 * c-lex.c: Include output.h.
4822 * c-lex.h (position_after_white_space): Correct typo in prototype.
4824 * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
4825 c_expand_end_cond, init_iterators): Add prototypes.
4827 * caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
4828 with ATTRIBUTE_UNUSED.
4830 * calls.c: Include output.h.
4832 * cccp.c (pipe_closed): Mark parameter `signo' with
4835 * combine.c: Move inclusion of expr.h to after insn-config.h.
4837 * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
4838 as empty, rather define as ((void)0).
4840 * sparc.c (sparc_check_64): Add braces around ambiguous `else'.
4841 Add parentheses around assignment used as truth value.
4843 * cplus-dem.c (squangle_mop_up): Change return type to void.
4844 (internal_cplus_demangle): Remove unused parameter `options'.
4845 All callers changed.
4846 (cplus_demangle_opname): Remove function wide variable `int i' and
4847 replace with `size_t i' at each location where it is used.
4848 (cplus_demangle_opname): change type of `i' from int to size_t.
4850 * cppexp.c (right_shift): Mark parameter `pfile' with
4853 * cpphash.c (cpp_lookup): Likewise.
4854 (cpp_hash_cleanup): Likewise.
4856 * cpplib.c (parse_name): Add a prototype and make it static.
4857 (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4858 (null_cleanup): Likewise for parameters `pbuf' and `pfile'.
4859 (macro_cleanup): Likewise for parameter `pfile'.
4860 (file_cleanup): Likewise.
4862 * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
4863 cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
4865 * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
4866 __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
4868 * cse.c (cse_check_loop_start): Mark parameter `set' with
4871 * dbxout.c (flag_minimal_debug, have_used_extensions,
4872 source_label_number): Move inside macro wrapper check against
4873 defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
4875 * dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
4877 * except.h (doing_eh): Provide prototype.
4879 * expr.c: Move inclusion of expr.h to after insn-config.h.
4881 * final.c: Include reload.h.
4882 (shorten_branches): Cast the first argument of bzero to char *.
4884 * fix-header.c (cpp_print_containing_files): Mark parameter
4885 `pfile' with ATTRIBUTE_UNUSED.
4886 (cpp_fatal): Likewise.
4888 * flow.c (find_basic_blocks_1): Cast the first argument of bzero
4891 * genattrtab.c (make_length_attrs): Change the type of variable
4892 `i' from int to size_t.
4893 (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
4896 * genextract.c (main): When generating insn-extract.c, mark
4897 variable `junk' with ATTRIBUTE_UNUSED.
4899 * gengenrtl.c (gencode): When generating genrtl.c, cast the first
4900 argument of bzero to char*.
4902 * integrate.c: Include toplev.h.
4904 * libgcc2.c: Wrap `struct exception_table' and
4905 `find_exception_handler' in macro DWARF2_UNWIND_INFO.
4907 * objc/Make-lang.in (objc-act.o): Depend on toplev.h.
4909 * objc/objc-act.c: Include toplev.h.
4910 (lang_print_xnode): Mark parameters `file', `node' and `indent'
4911 with ATTRIBUTE_UNUSED.
4912 (finish_protocol): Likewise for parameter `protocol'.
4914 * output.h (declare_weak): Add prototype.
4915 (decode_reg_name): Don't wrap with TREE_CODE macro.
4916 (assemble_alias): Add prototype.
4918 * regclass.c: Include output.h.
4920 * reload.h (reloads_conflict): Add prototype.
4922 * rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
4923 output_func_start_profiler): Add prototypes.
4925 * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
4928 * scan-decls.c: Include scan.h.
4930 * scan.h (recognized_function, recognized_extern): Add prototypes.
4932 * stmt.c: Include output.h.
4934 * toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
4935 (output_lang_identify): Hide prototype and definition.
4936 (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
4937 (pipe_closed): Likewise.
4939 * toplev.h (count_error, strip_off_ending, error_for_asm,
4940 warning_for_asm): Add prototypes.
4942 Wed May 13 12:54:19 1998 Michael Meissner <meissner@cygnus.com>
4944 * toplev.c (rest_of_compilation): "Charge" final for any time
4945 doing various cleanup operations after finishing compilation
4948 * flow.c (dump_flow_info): Also print number of sets and
4949 whether or not the pseudo is a user variable.
4951 * flow.c (reg_n_max): New global variable.
4952 * regclass.c (allocate_reg_info): Keep reg_n_max up to date.
4953 Delete regno_max variable.
4954 * regs.h (REG_N_CHECK): Define.
4955 (REG_N_REFS, REG_N_SETS, REG_N_DEATHS): Use REG_N_CHECK.
4956 (REG_N_CHANGES_SIZE, REG_N_CALLS_CROSSED, REG_LIVE_LENGTH): Likewise.
4957 (REGNO_FIRST_UID, REGNO_LAST_UID, REGNO_LAST_NOTE_UID): Likewise.
4959 Wed May 13 12:54:19 1998 Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>
4961 * acconfig.h (ENABLE_CHECKING): Undefine.
4962 * configure.in (--enable-checking): New option.
4964 Wed May 13 08:52:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4966 * reload1.c (merge_assigned_reloads): Can merge
4967 RELOAD_FOR_INPUT_ADDRESS and RELOAD_FOR_OTHER_ADDRESS even
4968 if RELOAD_FOR_INPUT with the same reload_reg_rtx is present.
4970 Tue May 12 20:05:57 1998 Jim Wilson <wilson@cygnus.com>
4972 * collect2.c (main): Ignore do_collecting when COLLECT_EXPORT_LIST.
4974 Wed May 13 03:23:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4976 * reload1.c (gen_reload): Create REG_EQUIV notes.
4978 Tue May 12 22:21:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4980 * reload1.c (reload): Fix check for USEs to use code of pattern.
4981 (choose_reload_regs): Remove dead variable use_insn.
4983 Tue May 12 14:04:49 1998 Jeffrey A Law (law@cygnus.com)
4985 * pa.h (DBX_CONTIN_LENGTH): Reduce to 3000 bytes.
4987 Tue May 12 15:16:02 1998 Michael Meissner <meissner@cygnus.com>
4989 * haifa-sched.c (HAIFA_INLINE): Define to be __inline unless
4991 (find_insn_{,mem_}list): Use HAIFA_INLINE, not __inline.
4992 (insn_{unit,issue_delay}): Ditto.
4993 (blockage_range): Ditto.
4994 (actual_hazard{,_this_instance}): Ditto.
4995 (schedule_unit): Ditto.
4996 (potential_hazard): Ditto.
4999 (queue_insn): Ditto.
5000 (birthing_insn_p): Ditto.
5001 (adjust_priority): Ditto.
5002 (get_block_head_tail): Ditto.
5003 (init_rgn_data_dependences): Ditto.
5005 Tue May 12 10:27:54 1998 Klaus Kaempf <kkaempf@progis.de>
5007 * alpha/vms.h (COMMON_ASM_OP, ASM_OUTPUT_ALIGNED_COMMON): Define.
5009 Tue May 12 11:44:14 1998 Gavin Koch <gavin@cygnus.com>
5011 * config/mips/mips.h (ASM_OUTPUT_ALIGN): Remove trailing semi-colon.
5013 Tue May 12 11:38:31 1998 Gavin Koch <gavin@cygnus.com>
5015 * config/mips/mips.md (dslot): Move after definition of "cpu"
5016 attribute. Handle r3900 case.
5018 Tue May 12 10:21:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5020 * system.h: Define the STRINGIFY macro here.
5021 * protoize.c: Not here.
5022 * gengenrtl.c (DEF_RTL_EXPR): Use the STRINGIFY macro.
5024 Tue May 12 00:47:33 1998 John Wehle (john@feith.com)
5026 * varasm.c (assemble_variable): Compute the alignment of the data
5027 earlier so that both initialized and uninitialized variables are
5028 effected by DATA_ALIGNMENT.
5029 * tm.texi (DATA_ALIGNMENT): Updated appropriately.
5031 Mon May 11 19:57:58 1998 Jeffrey A Law (law@cygnus.com)
5033 * mips.c: Prototype static functions.
5035 Mon May 11 17:43:03 1998 Jim Wilson <wilson@cygnus.com>
5037 * regmove.c (fixup_match_2, find_matches, regmove_profitable):
5038 Add explanatory comments.
5040 * sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Support TARGET_FLAT.
5042 Mon May 11 17:24:27 1998 Richard Henderson <rth@cygnus.com>
5044 * sparc.md (ffsdi2): Disable. Simplify the expression as well.
5046 Mon May 11 13:30:44 1998 Jim Wilson <wilson@cygnus.com>
5048 * varasm.c (make_decl_rtl): Disable April 1 change.
5050 Mon May 11 09:14:41 1998 Richard Henderson <rth@cygnus.com>
5052 * configure.in (alpha-*-linux-gnu): Undo lossage from gcc2 merge.
5054 Mon May 11 08:24:18 1998 Richard Henderson <rth@cygnus.com>
5056 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'.
5057 * alpha.c (print_operand): Handle it.
5058 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and
5059 related define_splits. Also add peepholes for SImode reload
5060 plus sign_extend lossage.
5062 Mon May 11 09:33:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5064 * genattr.c: Include stdarg.h/varargs.h. Change function
5065 `fatal' to use variable arguments instead of faking it with
5066 integer parameters. Provide a prototype which also
5067 checks the format specifiers using ATTRIBUTE_PRINTF_1.
5069 * genattrtab.c: Likewise.
5070 * gencodes.c: Likewise.
5071 * genconfig.c: Likewise.
5072 * genemit.c: Likewise.
5073 * genextract.c: Likewise.
5074 * genflags.c: Likewise.
5075 * genopinit.c: Likewise.
5076 * genpeep.c: Likewise.
5077 * genrecog.c: Likewise.
5078 * genoutput.c: Likewise. Similarly for function `error'.
5080 Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5082 * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
5083 * alocal.m4 (GCC_C_VOLATILE): New autoconf test.
5084 * configure.in: Use GCC_C_VOLATILE.
5085 * system.h (volatile): Define as empty if no volatile support is
5088 Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com)
5090 * genemit.c (output_add_clobbers): Removed unused variable 'i' from
5093 Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com>
5095 * loop.c (get_condition): Don't combine when either compare is MODE_CC.
5096 * alpha.c (alpha_emit_conditional_branch): New function. Taken from
5097 the body of beq; additionally set the mode of the branch to CCmode for
5098 FP compares and not fast_math.
5099 (alpha_emit_conditional_move): Always use a compare insn for FP
5100 when not fast_math, as well as setting CCmode on the cmov.
5101 * alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch.
5103 * machmode.h (COMPLEX_MODE_P): New macro.
5105 Sat May 9 01:53:23 1998 Richard Henderson <rth@cygnus.com>
5107 * haifa-sched.c (print_exp): Fix typo.
5109 Fri May 8 21:48:50 PDT 1998 Jeff Law (law@cygnus.com)
5111 * version.c: Bump for snapshot.
5113 Fri May 8 18:23:08 1998 Michael Meissner <meissner@cygnus.com>
5115 * final.c (final_scan_insn): Call fatal_insn instead of abort if
5116 we could not split an insn when required to.
5118 * m32r.md ({add,sub}di3): Add define_splits and appropriate low
5120 (peepholes): Disable peepholes that call dead_or_set_p.
5121 (movsi): Rewrite to handle addresses better after last change.
5122 Add define_split to split load of addresses in large/medium modes.
5123 (prologue): Call m32r_expand_prologue.
5124 (movsi_{push,pop}): Generators for push/pop.
5125 (movsi): Support PRE_{INC,DEC}, POST_INC.
5126 (mov{di,df}): Rewrite. Always split the insns.
5127 (movsf): Add define_split to get register load in correct mode.
5128 (cmp_ne_small_const_insn): Use 'N' instead of 'S' constraint.
5129 (attributes): Rewrite attributes so that type indicates both the
5130 type and the length of the insn directly.
5131 (all insns): Change to use new type attributes.
5132 (debug): New attribute to convey whether -mdebug was used.
5133 (opt_space): New attribute to convey whether -Os was used.
5134 (function units): Loads are 3 cycles, not 2. Better classify all
5135 insns into short/long.
5136 (load/store/extend insns): Add separate case for load/store
5137 indirect operations without an offset.
5138 (divsi3): Division is a long operation, not short.
5140 * m32r.h (LEGITIMATE_LO_SUM_ADDRESS_P): Do not allow LO_SUM for
5142 (GO_IF_MODE_DEPENDENT_ADDRESS): LO_SUM is now mode dependent.
5143 (CONST_OK_FOR_LETTER_P): Make 'N' handle reverse 8 bit compares.
5144 (EXTRA_CONSTRAINT): Remove 'S' special support. Add 'U' for
5145 operands with PRE_{INC,DEC}, POST_INC.
5146 (FUNCTION_PROFILER): Call abort instead of doing nothing.
5147 (GO_IF_LEGITIMATE_ADDRESS): Allow PRE_{INC,DEC}, POST_INC of
5149 (gen_split_move_double): Declare.
5150 (EXTRA_CONSTRAINT): Add 'T' for memory reference with no offset.
5152 * m32r.c (gen_split_move_double): Fix typo. Also, don't call
5153 emit_move_insn, build up SET's directly.
5154 (toplevel): Include system.h, not stdio.h.
5155 (move_double_src_operand): Allow any DF or DI mode constant.
5156 (gen_split_move_double): Split moves of DI or DF values into the
5157 appropriate moves, loads, or stores. Don't handle use of auto
5158 inc/dec if using dead index. Do handle overlapping moves, etc.
5159 (m32r_frame_info): Remove prologue_size field.
5160 (m32r_compute_frame_size): Don't calculate prologue size.
5161 (m32r_output_function_prologue): Change to pretty much a NOP.
5162 (m32r_expand_prologue): Expand prologue as a series of INSNs.
5163 (m32r_print_operand): Add support for PRE_{INC,DEC}, POST_INC.
5164 (m32r_print_operand_address): Ditto.
5166 Fri May 8 14:13:21 1998 H.J. Lu (hjl@gnu.org)
5168 * reload1.c (emit_reload_insns): When performing expensive
5169 optimizations, do not output the last reload insn if OLD is
5170 not the dest of NSN and is in the src and is clobbered by INSN.
5172 Fri May 8 09:47:29 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5174 * Makefile.in (genrtl.o): Depend on system.h.
5175 * gengenrtl.c (gencode): When creating genrtl.c, have it
5178 Fri May 8 10:57:33 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5180 * config/m68k/t-linux: Remove extra stuff already included in
5183 Fri May 8 09:53:24 Paul Eggert <eggert@twinsun.com>
5185 * fixinc.wrap: Renamed from fixinc.math. Put wrapper around
5186 curses.h if it contains `typedef char bool;', as suggested by
5187 Manfred Hollstein <manfred@s-direktnet.de>.
5189 * configure.in: Rename fixinc.math to fixinc.wrap.
5191 Thu May 7 19:26:34 1998 Jim Wilson <wilson@cygnus.com>
5193 * gcc.c (read_specs): Handle missing blank line at end of specs file.
5195 * i386.md (movsicc, movhicc, movsicc_1, movhicc_1, movsfcc_1,
5196 movdfcc_1): Disable.
5198 Thu May 7 15:39:14 1998 Jim Wilson <wilson@cygnus.com>
5200 * configure.in (enable_threads): Rename to enable_threads_flag before
5201 main loop. Set enable_threads to enable_threads_flag inside main
5204 Thu May 7 17:38:03 1998 Michael Meissner <meissner@cygnus.com>
5206 * r6000/eabi.asm (__eabi): Restore LR in case __eabi is called
5209 Thu May 7 14:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5211 * aclocal.m4 (GCC_FUNC_VFPRINTF_DOPRNT): New macro.
5213 * configure.in: Add a call to GCC_FUNC_VFPRINTF_DOPRNT.
5214 (AC_CHECK_HEADERS): Remove unused check for varargs.h,sys/varargs.h.
5215 (AC_CHECK_FUNCS): Remove unused check for vprintf.
5217 * Makefile.in: Add support for linking in vfprintf.c and doprint.c.
5218 (cccp.o): Depend on gansidecl.h.
5221 * cccp.c: Convert from using PRINTF_ALIST/PRINTF_DCL to VPROTO as
5222 per the rest of gcc source.
5223 * cexp.y: Likewise. Include gansidecl.h and remove all code made
5226 * cccp.c: Remove checks for HAVE_VPRINTF and the associated code
5227 used when vfprintf is missing.
5230 * genattrtab.c: Likewise.
5231 * mips-tfile.c: Likewise.
5232 * toplev.c: Likewise.
5234 * vfprintf.c: New file.
5235 * doprint.c: New file.
5237 Thu May 7 10:18:41 1998 Jeffrey A Law (law@cygnus.com)
5239 * config/linux.h (ASM_COMMENT_START): Remove from here,
5240 * config/linux-aout.h (ASM_COMMENT_START): and here,
5241 * config/i386/linux.h (ASM_COMMENT_START): to here,
5242 * config/i386/linux-aout.h (ASM_COMMENT_START): and here.
5243 * config/i386/linux-oldld.h (ASM_COMMENT_START): Define
5246 Thu May 7 10:55:59 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5248 * config/m68k/m68k.md (adddi3, subdi3): Properly negate the DImode
5251 Wed May 6 22:32:37 CDT 1998 Robert Lipe <robertl@dgii.com>
5253 * Makefile.in (dwarfout.o) Add toplev.h dependency.
5254 * dwarfout.c, i386.c: Include toplev.h
5255 * toplev.h: (pfatal_with_name) Add prototype.
5257 Wed May 6 19:02:29 1998 Jason Merrill <jason@yorick.cygnus.com>
5259 * Makefile.in: Fix .SUFFIXES.
5261 Wed May 6 19:31:32 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
5263 * config/linux.h (ASM_COMMENT_START): Define as "#".
5264 * config/linux-aout.h (ASM_COMMENT_START): Likewise.
5266 Wed May 6 15:51:39 1998 Jim Wilson <wilson@cygnus.com>
5268 * objc/Make-lang.h (objc-parse.o): Add toplev.h dependency.
5269 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5271 * toplev.c: Include toplev.h.
5272 * Makefile.in (c-common.o, c-convert.o, c-decl.o, c-iterate.o,
5273 c-lex.o, c-parse.o, c-pragma.o, c-typeck.o, calls.o, convert.o,
5274 dwarf2out.o, except.o, expr.o, final.o, fold-const.o, function.o,
5275 hash.o, profile.o, real.o, reg-stack.o, regclass.o, reload.o,
5276 reload1.o, stmt.o, stor-layout.o, tlink.o, tree.o, varasm.o): Add
5277 toplev.h dependency.
5279 * mips/mips.c (save_restore_insns): Change FRAME_POINTER_REGNUM to
5280 HARD_FRAME_POINTER_REGNUM.
5282 * expr.c (target_temp_slot_level): Delete duplicate definition.
5284 Wed May 6 16:46:01 1998 Jeffrey A Law (law@cygnus.com)
5286 * stmt.c (mark_seen_cases): Make it have external linkage again.
5287 * expr.h (mark_seen_cases): Add declaration, but only when tree.h
5290 * haifa-sched.c (print_value, case SUBREG): Fix typo.
5292 * i386.c (output_387_binary_op): Add some braces to avoid warnings.
5293 * i386.h (REG_CLASS_CONTENTS): Similarly.
5295 * toplev.c (-fsched-max): Delete flag.
5296 (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise.
5297 * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N
5298 and -fsched-interblock-max-insns-N support. Remove INTERBLOCK_DEBUG
5301 * haifa-sched.c (find_rgns): Correctly handle reducible loops with
5302 inner loops which are not reducible.
5304 * loop.c (regs_match_p): Fix typo in prototype.
5306 * regmove.c (try_auto_increment): Wrap declaration inside an
5307 #ifdef AUTO_INC_DEC.
5309 Wed May 6 17:07:47 1998 Michael Meissner <meissner@cygnus.com>
5311 * final.c (output_operand_lossage): Call fatal with the operand
5312 lossage message instead of calling abort.
5314 Wed May 6 15:37:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5316 * c-common.c: Convert to using ctype macros defined in system.h.
5317 * c-lex.c: Likewise.
5319 * collect2.c: Likewise.
5320 * rs6000.c: Likewise.
5321 * cpplib.c: Likewise.
5322 * fix-header.c: Likewise.
5324 * gen-protos.c: Likewise.
5325 * pexecute.c: Likewise.
5326 * protoize.c: Likewise.
5330 * tlink.c: Likewise.
5331 * toplev.c: Likewise.
5333 Wed May 6 14:44:14 1998 Gavin Koch <gavin@cygnus.com>
5335 * config/mips/r3900.h (SUBTARGET_ASM_DEBUGGING_SPEC) :
5336 Replace -gdwarf-2 with -g0.
5338 Wed May 6 11:43:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5340 * Makefile.in (mips-tfile.o, mips-tdump.o): Depend on system.h.
5341 * mips-tdump.c: Include system.h, remove redundant headers.
5342 * mips-tfile.c: Likewise. Also, convert all ctype function calls
5343 to calls of the macro versions defined in system.h.
5345 * objc/Make-lang.in (objc-act.o): Depend on system.h.
5346 * objc/objc-act.c: Include system.h, remove redundant headers.
5348 Wed May 6 11:21:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5350 * configure.in (AC_CHECK_FUNCS): Add isascii.
5351 (GCC_NEED_DECLARATIONS): Add atof.
5353 * system.h: Provide prototypes for abort, atof, atol and sbrk here.
5354 * rtl.c, rtl.h, toplev.c, tree.h: Not here.
5356 Wed May 6 10:52:49 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5358 * system.h: Wrap time.h and sys/file.h in autoconf checks.
5359 Provide default definitions for O_RDONLY and O_WRONLY here.
5361 * cccp.c, cpplib.c, fix-header.c, gcc.c, protoize.c: Not here.
5363 1998-05-06 Mark Mitchell <mmitchell@usa.net>
5365 * tree.h (IS_EXPR_CODE_CLASS): Remove bogus '3'.
5367 Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
5369 * toplev.h: New file. Protypes for functions in toplev.c.
5370 * tree.h, rtl.h: Deleted protos for functions in toplev.c.
5371 * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
5372 c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
5373 convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
5374 function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
5375 reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
5376 varasm.c: include it.
5378 Wed May 6 01:09:01 1998 Jeffrey A Law (law@cygnus.com)
5379 Jim Wilson (wilson@cygnus.com)
5381 * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
5382 blocks. Check for 1 successor which is the EXIT_BLOCK.
5384 * haifa-sched.c (find_rgns): Detect unreachable blocks, including
5385 unreachable loops with more than one block.
5387 Wed May 6 08:22:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
5389 * fix-header.c (write_rbrac): Add "abort" to functions which need to
5392 Wed May 6 00:09:36 1998 Jeffrey A Law (law@cygnus.com)
5394 * Check in merge from gcc2. See ChangeLog.12 for details.
5396 Tue May 5 14:33:49 1998 Jim Wilson <wilson@cygnus.com>
5398 * c-common.c (scan_char_table): Separate 's' and 'c'. 'c' does not
5399 accept 'a' flag. 'S' does accept 'a' flag.
5400 (check_format_info): When pedantic, warn for m/C/S/a/A formats,
5403 * elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include.
5405 Tue May 5 10:50:39 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5407 * config/m68k/m68k.h: Declare functions from m68k.c used in
5408 macros and machine description.
5409 (ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for
5411 (ASM_OUTPUT_FLOAT): Likewise.
5412 (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
5414 Tue May 5 01:28:12 1998 Jason Merrill <jason@yorick.cygnus.com>
5416 * tree.def: Add NAMESPACE_DECL.
5417 * dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
5418 * dwarf2out.c (push_decl_scope): Likewise.
5419 (scope_die_for): Likewise.
5420 * tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
5421 how to get next context level.
5423 Tue May 5 01:43:16 1998 Jim Wilson <wilson@cygnus.com>
5425 * i386.c (output_fix_trunc): Add code to emulate non-popping DImode
5428 Tue May 5 01:15:06 1998 Jeffrey A Law (law@cygnus.com)
5430 * h8300.h (ADDITIONAL_REGISTER_NAMES): Add "er" registers.
5432 * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes
5433 for any insns skipped at the start of a block because they were
5436 Mon May 4 20:23:51 1998 Jim Wilson <wilson@cygnus.com>
5438 * alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000.
5440 1998-05-04 Ulrich Drepper <drepper@cygnus.com>
5442 * c-common.c (format_char_info): Add new field hhlen.
5443 (print_char_table, scan_char_table, time_char_table): Initialize
5444 hhlen field appropriately.
5445 (char_format_info): Recognize hh modifier and lookup correct char
5448 Mon May 4 19:15:29 1998 Jim Wilson <wilson@cygnus.com>
5450 * expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
5451 reference if this is a store.
5453 Mon May 4 17:25:17 1998 Richard Henderson <rth@cygnus.com>
5455 * sparc.c (output_move_quad): Fix typo in mov_by_64 argument.
5457 Sun May 3 23:57:25 1998 Robert Lipe <robertl@dgii.com>
5459 Make UnixWare 7 bootstrap support work with final shipping product.
5460 * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
5461 Pick up xm-siglist and xm-alloca.
5462 (xm_defines): Add USG so dbxout will build.
5463 * configure: Regenerate.
5465 Sun May 3 13:51:34 PDT 1998 Richard Henderson <rth@cygnus.com>
5467 Support for official Sparc V9 ABI:
5468 * sparc.c (sparc_override_options): Force stack bias off for !arch64.
5469 Care for flag_pcc_struct_return default.
5470 (output_move_quad): Rewrite to move by halves on v9 and in the
5472 (move_quad_direction): New function.
5473 (output_fp_move_quad): Use it to determine the direction of copy.
5474 (function_arg_slotno): Return -1 for FP reg overflow as well.
5475 (function_arg_record_value*): New functions.
5476 (function_arg): Use them. Streamline unprototyped parameter passing.
5477 (function_arg_pass_by_reference): Pass TCmode by reference.
5478 (function_value): New function.
5479 * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
5480 long long in 64-bit mode.
5481 (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
5482 (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
5483 (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
5484 (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
5485 (BASE_INCOMING_ARG_REG): Likewise.
5486 (FUNCTION_VALUE): Call function_value.
5487 (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
5488 * sparc.md (movdi_sp32_v9): Disable for arch64.
5489 (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
5490 (call_value_address_sp64): Remove register class constraints.
5491 (call_value_symbolic_sp64): Likewise.
5492 (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain
5493 v9 case to 32-bit constants.
5494 (goto_handler_and_restore_v9): Provide a version for arch64.
5495 * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
5496 * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
5497 (CPP_PREDEFINES): New.
5498 * sparc/sp64-elf.h: Likewise.
5499 (PREFERRED_DEBUGGING_TYPE): Dwarf2.
5500 (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
5501 * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.
5503 Sat May 2 17:47:17 PDT 1998 Jeff Law (law@cygnus.com)
5505 * version.c: Bump for snapshot.
5507 Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5509 * reload.c (find_reloads): Emit USEs to mark where a pseudo
5510 is reloaded with the MEM of its stack slot.
5511 * reload1.c (cannot_omit_stores): Delete.
5512 (reload): Don't initialize it.
5513 Don't apply avoid_return_reg logic to USEs.
5514 When done, remove USEs that have a REG_EQUAL note on them.
5515 (emit_reload_insns): Handle case where we have inherited a MEM.
5516 (choose_reload_regs): Likewise.
5517 (delete_output_reload): Don't use cannot_omit_stores.
5519 Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com>
5521 * Makefile.in (cpp.info, gcc.info): Put -o option before input file.
5523 Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com>
5525 * haifa-sched.c (print_{exp,value}): Various changes to make the
5526 debug output easier to read. Also, use only one buffer, and make
5527 sure the buffer we are passed in doesn't overflow.
5528 (safe_concat): Concatenate to a buffer without overflow.
5530 Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5532 * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
5535 Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5537 * sched.c (new_insn_dead_notes): Check if the register was
5538 used in the original instruction.
5539 * haifa-sched.c (new_insn_dead_notes): Likewise.
5541 Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
5543 * dwarf2out.c (scope_die_for): If could not find proper scope,
5544 check for and handle tagged type with incorrect TYPE_CONTEXT.
5546 Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
5548 * calls.c (expand_call): Fix recognition of C++ operator new.
5550 * alias.c (mode_alias_check): Disable type based alias detection.
5552 Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com>
5554 * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
5555 ASM_OUTPUT_WEAK_ALIAS): Define.
5556 * config/mips/elf64.h: Same.
5557 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
5558 ASM_WEAKEN_LABEL): Removed.
5560 Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5562 * calls.c (expand_call): Bump the length limit on the specially
5563 recognized function names to 17.
5565 Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com>
5567 * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS
5568 when undefining macros at the end.
5570 * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
5571 val or len has TREE_SIDE_EFFECTS set.
5573 * sparc.md (mulsidi3): Call const v8plus and v8plus routines.
5574 (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name.
5575 (smuldi3_highpart): Call const v8plus routine.
5576 (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus.
5577 (const_smulsi3_highpart_v8plus): New pattern.
5578 (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32.
5579 (umulsidi3): Call const v8plus routine.
5580 (umulsi3_highpart): Handle const before v8plus. Call const v8plus
5582 (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus.
5583 (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32.
5585 Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com>
5587 * m32r.c (*_oper{and|ator}): Change enum arguments and return
5588 values to int, so they can be prototyped even in files that don't
5590 ({small,large}_insn_p): Ditto.
5591 (m32r_select_cc_mode): Ditto.
5592 (gen_compare): Ditto.
5593 (function_arg_partial_nregs): Ditto.
5594 (m32r_setup_incoming_varargs): Ditto.
5595 (init_reg_tables): Add prototype.
5596 (m32r_frame_info): Add prolog_size field.
5597 (m32r_compute_frame_size): Calculate the size of the prologue.
5598 (m32r_first_insn_address): Return prologue size.
5599 (m32r_output_function_prologue): Calculate frame size before
5600 printing out information. Print out the prologue size.
5602 * m32r.h: Prototype all functions in m32r.c.
5603 (FIRST_INSN_ADDRESS): Declare, returning prologue size.
5605 * m32r.md (bcc functions): Cast enum's to int.
5607 * m32r.c (conditional_move_operand): Silence a debug message.
5608 ({small,long}_insn): New predicates.
5610 * m32r.h (TARGET_M32R): New macro.
5611 (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.
5612 (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler
5614 (ISSUE_RATE): Define as 2.
5616 * m32r.md (insn_size): New attribute.
5617 ({,rev_}branch_insn): Add .s qualifier to branches believed to be
5619 (m32r): New attribute.
5621 * configure.in (enable_haifa): Switch m32r to Haifa by default.
5622 * configure: Regenerate.
5624 (Changes from Nick Clifton <nickc@cygnus.com>)
5625 * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm
5626 the equivalent of a negated 'I' constraint.
5627 (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole
5628 optimisation to work.
5630 * m32r.md (cmp_ne_small_const_insn): Use 'S' constriant rather
5631 than 'I' since the value is negated.
5632 (peephole): Add peephole optimisation to cope with optimization of
5633 divide and subtracts of the same operands.
5635 * m32r.c zero_and_one, emit_cond_move): Add support for MVFC.
5639 * m32r.h (PREDICATE_CODES): Add declaration of machine specific
5642 Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de>
5644 * Makefile.in (libgcc2.ready): Revert last patch (Apr 24).
5646 Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com>
5648 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against
5649 frame_pointer_rtx not FRAME_POINTER_REGNUM.
5651 Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com>
5653 * reg-stack.c: Revert last patch (Apr 20).
5654 (convert_regs): Set insn to PREV_INSN (next) after do while loop.
5656 * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code.
5658 * loop.c (check_dbra_loop): New locals jump, first_compare, and
5659 compare_and_branch. Call get_condition to set first_compare.
5660 Set compare_and_branch to number of compare/branch instructions.
5661 Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare.
5662 Replace '2' with compare_and_branch.
5664 Mon Apr 27 15:53:30 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5666 * cplus-dem.c (demangle_qualified): Replace missing else.
5668 Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5670 * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG.
5672 Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5674 * sh.c (sh_expand_prologue, sh_expand_epilogue):
5675 If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment.
5676 * sh.h (STACK_BOUNDARY): Likewise.
5678 Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5680 * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
5682 Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com>
5684 * system.h (abort): If abort is not defined, and neither is
5685 USE_SYSTEM_ABORT, redefine abort to call fprintf and exit,
5686 reporting the line and filename of the error.
5688 * .gdbinit: Add breakpoints on exit and fancy_abort.
5690 * final.c (split_double): Avoid a compiler warning if
5691 BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT.
5693 * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros
5694 for calling jump_optimize.
5696 * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_*
5697 macros, rather than 0/1's.
5699 Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com>
5701 * alpha.h (CONST_COSTS): Zero is always free.
5702 (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown.
5704 Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5706 * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the
5707 length in the name of a virtual table.
5709 Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com>
5711 * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N.
5713 Sat Apr 25 22:11:38 PDT 1998 Jeff Law (law@cygnus.com)
5715 * version.c: Bump for snapshot.
5717 Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com)
5719 * fold-const.c (fold_convert): Fix typo.
5721 Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu>
5723 * alias.c (alias_invariant): New variable.
5724 (record_base_value): New argument INVARIANT.
5725 (memrefs_conflict_p): If a register has an entry in the alias_invariant
5726 array, try substituting that value for the register.
5728 * rtl.h: Declare record_base_value.
5730 * loop.c, unroll.c: Update callers of record_base_value.
5732 * alias.c (find_base_value, find_base_term): SIGN_EXTEND and
5733 ZERO_EXTEND do not affect base values.
5735 Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com)
5737 * dbxout.c (dbxout_type): Fix typo.
5738 (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix.
5740 * configure.in: Use CC_FOR_BUILD, not BUILD_CC.
5742 Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
5744 * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
5745 if the argument is the address of a structure or array.
5747 * configure.in: Enable Haifa scheduler by default for SPARC.
5749 Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5751 * cse.c (cse_set_around_loop): Don't do optimization when
5752 new pseudos are created.
5754 Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com)
5756 * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC
5758 (dbxout_type_method_1, dbxout_type): Likewise.
5759 (print_int_cst_octal, print_octal, dbxout_symbol): Likewise.
5760 (dbxout_type): Fix check for when to print a type range in
5763 Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5765 * (gen_shl_and, in case 1): Fix comparison with mask.
5767 Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com>
5769 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
5770 pointer as second register in REG+REG pair.
5772 Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5774 * c-common.c (check_format_info): Don't check for the 'x' format
5775 character twice, instead check for 'x' and 'X'
5777 Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
5779 * Makefile.in (libgcc2.ready): Add explicit dependancy from
5780 $(STMP_FIXPROTO) to ensure all necessary include files have
5781 been created and to guarantee proper parallel builds.
5783 Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5785 * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
5786 register for stdarg functions.
5787 * sh.h (current_function_varargs): Declare.
5788 (FUNCTION_ARG): Ignore NAMED for stdarg functions.
5790 1998-04-23 Jim Wilson <wilson@cygnus.com>
5792 * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
5793 inhibit_libc is defined.
5795 * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL.
5797 Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com>
5799 * profile.c (tablejump_entry_p): New function.
5800 (branch_prob): Add code to recognize MIPS tablejump entry branch.
5801 Use tablejump_entry_p in MIPS and HPPA tablejump checking code.
5803 Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com>
5805 * config/arm/arm.c (find_barrier): Return as soon as a barrier is
5806 found, rather than at end of the loop, after the insn has been
5809 Thu Apr 23 20:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5811 * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
5812 * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
5814 Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com>
5816 * loop.c (note_addr_stored): Correct function to take 2 arguments,
5819 * rtl.def (MATCH_INSN2): Add new matching pattern.
5820 * genrecog.c (add_to_sequence): Support MATCH_INSN2.
5822 Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu>
5824 * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero
5825 if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD.
5827 * final.c (split_double): Sign extend both halves of a split CONST_INT.
5829 Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com)
5831 * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT.
5833 Wed Apr 22 10:53:49 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5835 * cplus-dem.c (struct work stuff): Add field for B and K mangle codes.
5836 (cplus_demangle_opname): Call mop_up_squangle.
5837 (cplus_demangle): Initialize squangle info, then call
5838 internal_cplus_demangle. (Most code moved there as well)
5839 (internal_cplus_demangle): New function, performs most of what use
5840 to be done in cplus_demangle, but is only called with this file.
5841 (squangle_mop_up): New function to clean up B and K code data.
5842 (mop_up): set pointers to NULL after freeing.
5843 (demangle_signature, demangle_template, demangle_class): Add
5844 switch elements to handle K and B codes.
5845 (demangle_prefix, gnu_special, demangle_qualified): Add
5846 code to handle K and B codes.
5847 (do_type, demangle_fund_type): Handle B and K codes.
5848 (remember_Ktype): New function to store K info.
5849 (register_Btype, remember_Btype): New functions for B codes.
5850 (forget_B_and_K_types): New function to destroy B and K info.
5852 1998-04-21 Jim Wilson <wilson@cygnus.com>
5854 * stmt.c (check_seenlabel): When search for line number note for
5855 warning, handle case where there is no such note.
5857 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
5859 * genemit.c (gen_exp): Allow machine description to set mode of
5862 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
5864 * alias.c (mode_alias_check): New function.
5865 (true_dependence, anti_dependence, output_dependence): Call
5868 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
5870 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
5871 (MIPS_STACK_ALIGN): Similarly.
5873 * c-common.c (type_for_mode): Handle TI types.
5874 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
5875 (init_decl_processing): Handle TI types.
5876 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
5878 * mips.c (block_move_loop): Test Pmode == DImode instead of
5880 (expand_block_move, save_restore_insns): Likewise.
5881 (function_prologue, mips_expand_prologue): Likewise.
5882 (mips_expand_epilogue): Likewise.
5883 * mips.h (POINTER_SIZE): Allow specific targets to override.
5884 (Pmode): Allow specific targets to override.
5885 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
5886 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
5887 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5888 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
5889 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
5890 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
5891 * mips.md (indirect, tablejump & casesi support): Test for
5892 Pmode == DImode instead of TARGET_MIPS64.
5893 (call patterns): Likewise.
5895 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5897 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
5898 for gen_rtx(MEM, ...).
5900 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
5902 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
5903 to not be so gross, and to properly function with PIC.
5905 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
5907 * frame.c (heapsort): Rename to frame_heapsort.
5909 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
5911 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
5913 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
5915 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
5917 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
5918 operands during and after reload.
5920 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5922 * final.c (shorten_branches, init_insn_lengths): Move code
5923 to free label_align, uid_shuid, insn_lengths, insn_addresses
5924 and uid_align from the former function into the latter one;
5925 Add code to clear these variables.
5926 * sh.h (label_align): Remove declaration.
5928 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
5930 * gcc.c (lang_specific_driver): Declare prototype properly so
5931 fatal can be passed to it without error.
5933 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
5934 * configure: Regenerate.
5935 * config.in: Add #undef's for strchr and strrchr.
5937 * protoize.c (toplevel): If we have rindex, but not strrchr, map
5939 (file_could_be_converted): Use strrchr, not rindex since rindex is
5940 not defined on Linux systems when _POSIX_SOURCE is defined.
5941 (file_normally_convertible): Ditto.
5942 (process_aux_info_file): Ditto.
5945 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
5946 a constant to an integer register, don't split the insns that do
5947 the simple AND and OR operations, rather just split each word, and
5948 let the normal movsi define split handle it further.
5950 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5952 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
5953 (split_branches): Call init_insn_lengths.
5955 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
5957 * i386.c: Include expr.h to get the change_address prototype
5960 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
5962 * reg-stack.c (subst_asm_stack_regs): Change to return the last
5963 new insn generated by this function.
5964 (subst_stack_regs): Likewise.
5965 (convert_regs): Record the last newly generated insn and use
5966 it for change_stack () instead of INSN.
5968 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
5970 * fix-header.c (enum special_file): Undefine enumerators if they
5971 are already defined by include files.
5972 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
5973 macro with '__' to not pollute user namespace.
5975 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
5977 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
5979 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
5981 * version.c: Bump for snapshot.
5983 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
5985 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
5987 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
5988 Add missing -Dpentium* options.
5989 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
5990 instead of CPP_CPU_DEFAULT.
5991 (EXTRA_SPECS): Add entry for cpp_cpu_default.
5993 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
5995 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
5996 negative in a stackless frame.
5997 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
5998 in stackless frame size. Support 64-bit stackless frame size.
5999 Combine fpmem offset calculations and don't add total_size to
6000 offset if not pushing a stack frame.
6002 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
6004 * regmove.c (fixup_match_1): In three places, in flag_exceptions
6005 check, change p to q.
6007 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
6009 * gcc.c (lang_specific_driver): Add new parm type to prototype.
6010 (added_libraries): New file scope static variable.
6011 (process_command): Initialize added_libraries. Pass it to
6012 lang_specific_driver.
6013 (main): Use added_libraries in check for no input files.
6015 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
6017 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
6018 code generation. Use 64 bit instructions in 32 bit mode when
6019 possible. Use V9 return instruction. UltraSPARC optimizations.
6021 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
6023 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
6025 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
6026 just pass zero. That will work regardless of the size of HARD_REG_SET.
6028 * libgcc2.c (__floatdisf): Fix a couple typos.
6030 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
6032 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
6034 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
6036 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
6038 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
6040 * emit-rtl.c (operand_subword_force): If a register can not be
6041 accessed by words, copy it to a pseudo register.
6043 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
6045 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
6047 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
6049 * tree.h (mark_seen_cases): Delete declaration.
6051 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
6053 * stmt.c (mark_seen_cases): Make static and add prototype.
6055 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6057 * frame.c: Include stdlib.h and unistd.h to possibly get various
6058 function prototypes. The fixproto script guarantees these header
6059 files exist on the target system.
6060 * libgcc2.c: Likewise.
6062 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
6063 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
6064 function parameters.
6065 * libgcc2.c (__udiv_w_sdiv): Likewise.
6067 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
6069 * varasm.c (asm_output_bss): Add prototype.
6070 (asm_output_aligned_bss): Likewise.
6072 * unroll.c (verify_addresses): Add prototype.
6074 * toplev.c: Add many prototypes. Too many to mention here.
6076 * stmt.c (check_seenlabel): Add prototype.
6078 * rtlanal.c (reg_set_p_1): Add prototype.
6079 (reg_set_last_1): Likewise.
6081 * reorg.c (find_dead_or_set_registers): Add prototype.
6083 * regmove (try_auto_increment): Add prototype.
6085 * reg-stack.c (pop_stack): Add prototype.
6087 * recog.c (validate_replace_rtx_1): Add prototype.
6088 (find_cosntant_term_loc): Likewise.
6090 * loop.c (regs_patch_p): Add prototype.
6091 (add_label_notes, count_nonfixed_reads): Likewise.
6092 (find_single_use_in_loop): Likewise.
6093 (express_from): Surround prototype with #ifdef.
6094 (giv_sort): Similarly.
6096 * jump.c (mark_modified_reg): Add prototype.
6098 * haifa-sched.c (is_prisky): Add prototype.
6099 (queue_to_ready): Likewise.
6101 * genextract.c (gen_insn): Add prototype.
6103 * genemit.c (max_operand_1): Add prototype.
6104 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
6105 (gen_expand, gen_explit, output_add_clobbers): Likewise.
6106 (output_init_mov_optab): Likewise.
6108 * genattrtab.c (attr_hash_add_rtx): Add prototype.
6109 (attr_hash_add_string, write_length_unit_log): Likewise.
6111 * genattr.c (init_range): Add prototype.
6113 * combine.c (sets_function_arg_p): Add prototype.
6115 * expr.c (store_constructor_field): Add prototype.
6116 (get_memory_usage_from_modifier): Likewise
6118 * expmed.c (synth_mult): Add prototype.
6119 (choose_multiplier, invert_mod2n): Likewise.
6121 * except.c (push_eh_entry): Add prototype.
6122 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
6123 (call_get_eh_context, start_dynamic_cleanup): Likewise.
6124 (start_dynamic_handler, can_throw): Likewise.
6125 (output_exception_table_entry, scan_region): Likewise.
6126 (eh_regs, set_insn_eh_region): Likewise.
6128 * dwarfout.c (decl_class_context): Add prototype.
6129 (output_inheritance_die, type_ok_for_scope): Likewise.
6131 * c-lex.c (skip_white_space_on_line): Add prototype.
6133 * alias.c (record_set): Add prototype.
6134 (find_base_term, base_alias_check): Likewise.
6136 * function.c (assign_outer_stack_local): Make static and add prototype.
6138 * haifa-sched.c (build_control_flow): Accept raw data as inputs
6139 instead of computing it locally. Callers changed.
6140 (find_rgns): Several new arguments. Callers changed.
6141 Generally clean up and comment better. Use dominators to
6142 identify reducible loops. Convert some flag arrays to bitmaps.
6143 Convert most of the code to work on pred/succ lists instead of
6144 an edge table. Add comments for future improvements.
6145 (schedule_insns): Allocate temporary tables for flow data, call
6146 routines to compute flow data and pass it along to children as
6148 (debug_control_flow): Delete. Use dump_bb_data instead.
6150 * basic-block.h (compute_dominators): Declare.
6152 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
6154 * basic-block.h: Declare them.
6156 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
6158 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
6161 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
6163 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
6164 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
6165 node is non NULL. Cache last file name and file name identifier node.
6167 1998-04-15 Mark Mitchell <mmitchell@usa.net>
6169 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
6170 the length of an array, not TREE_TYPE.
6172 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
6174 * flow.c (sbitmap_union_of_successors): New function.
6175 * basic-block.h (sbitmap_union_of_successors): Declare it.
6177 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
6179 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
6180 Set gnu_ld to gnu_ld_flag inside main loop.
6183 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
6185 * toplev.c (compile_file): Call init_parse using new interface.
6186 (init_lex): Remove declaration.
6188 * c-lex.c (init_parse): Now returns char* containing filename.
6190 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
6192 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
6194 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
6196 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
6197 (gen{extract,peep,opinit,output}): Ditto.
6199 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
6200 global definition so print-rtl.o can be linked in.
6201 * gen{peep,recog}.c (insn_attr_name): Ditto.
6203 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
6205 * fixincludes: discard empty C++ comments, as found in sys/time.h
6208 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6210 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
6213 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
6215 * emit-rtl.c (operand_subword): Rework slightly to avoid
6216 bogus warning from previous change.
6218 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
6220 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
6221 Nov 8 find_replacement change. Move decls of get_unaligned_address
6222 * alpha.h: ... here.
6224 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
6226 * function.c (assign_parms): Initialize unsignedp before passing
6227 its pointer to promote_mode.
6229 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
6230 (write_test_expr): Allow MATCH_INSN.
6232 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
6234 * install.texi: Update section on warnings that can be safely ignored.
6236 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
6238 * mips.md (reload_outdi): Change the scratch mode from DImode to
6239 TImode. New variable scratch, used instead of operand[2] in template.
6240 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
6242 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
6244 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
6246 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
6248 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
6250 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
6252 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
6253 (ASM_FINISH_DECLARE_OBJECT): Likewise.
6255 * Idea and part of the patch from HJ.
6256 * Makefile.in: auto-host.h renamed from auto-config.h. All references
6258 (distclean): Remove auto-build.h too.
6259 * configure.in: Rename host autoconf generated file to auto-host.h.
6260 If host != build, then run autoconf to generate auto-build.h for
6261 the build machine and include it in build_xm_files.
6262 Check for wait.h and sys/wait.h.
6264 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
6265 TRULY_NOOP_TRUNCATION.
6267 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
6269 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
6271 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
6273 * invoke.texi (ld options) Include memset requirements
6274 for options -nodstdlib and -nodefaultlibs.
6276 1998-04-12 Paul Eggert <eggert@twinsun.com>
6278 This change is from an idea suggested by Arthur David Olson.
6280 * c-common.c (decl_attributes, record_function_format,
6281 check_format_info, init_function_format_info):
6282 Add support for strftime format checking.
6283 (enum format_type): New type.
6284 (record_function_format): Now static, and takes value of type
6285 enum format_type instead of int.
6286 (time_char_table): New constant.
6287 (struct function_format_info): format_type member renamed from is_scan.
6288 (check_format_info): Use `warning' rather than sprintf followed by
6289 `warning', to avoid mishandling `%' in warnings.
6290 Change `pedwarn' to `warning', since these warnings do not necessarily
6291 mean the program does not conform to the C Standard, as the code
6292 need not be executed.
6294 * c-tree.h (record_function_format): Remove decl; no longer extern.
6296 * extend.texi: Add documentation for strftime format checking.
6298 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
6300 * mips/ecoffl.h: Do not include mips.h.
6301 * mips/elf.h: Likewise.
6303 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
6304 * mips/ecoff.h: Include "mips/mips.h".
6306 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
6308 * version.c: Bump for snapshot.
6310 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
6312 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
6313 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
6314 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
6315 between loop optimization passes.
6316 * rtl.h: Updated appropriately.
6318 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
6320 Reinstall this patch from Jason.
6321 * function.c (push_function_context_to): Don't call init_emit.
6323 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
6325 * rtl.c (read_skip_spaces): Prevent infinite loops upon
6326 encountering unterminated comments.
6328 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
6330 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
6333 * configure.in: Handle --with-fast-fixincludes.
6334 (fixincludes): If --with-fast-fixincludes, then use a different
6335 fixincludes program by default.
6336 * Makefile.in (fixinc.sh): New rule.
6338 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
6340 * i386.md (movqi+1): Handle invalid QI register.
6341 (movsf_push-1): Likewise.
6343 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
6345 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
6347 symbolic_memort_operand(), call32_operand(), int8_operand(),
6348 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
6350 uint16_operand(): Made static.
6352 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
6354 * calls.c (expand_call): Fix typo.
6356 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
6358 * c-lex.c (finput): New global.
6359 (init_parse): Always included. Handle !USE_CPPLIB using
6360 code originally in compile_file.
6361 (finish_parse): Update for CPPLIB.
6362 * toplev.c (init_parse, finish_parse): Declare.
6363 (finput): Delete variable. Now in front-ends.
6364 (compile_file): Remove code which is now handled by init_parse
6365 which is unconditionally called. Similarly for finish_parse.
6367 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
6369 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
6370 ASM_WEAKEN_LABEL): Add.
6372 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
6374 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
6375 * configure.in (alpha-*-linux*): Use them.
6377 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6379 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
6380 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
6381 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
6382 (build_expr_wfl): New prototype declaration.
6383 * tree.c (build_expr_wfl): New function, to build
6384 EXPR_WITH_FILE_LOCATION nodes.
6385 (copy_node): Don't zero TREE_CHAIN if copying a
6386 EXPR_WITH_FILE_LOCATION node.
6387 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
6388 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
6390 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
6392 * configure.in (v850): Use t-v850.
6393 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
6395 * protoize.c (creat, read, write): Do not declare.
6397 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
6398 refer to the CODE_LABEL before a dispatch table.
6400 * invoke.texi: Add ARC options.
6402 * gcc.c (proces_command): Improve error message for -o with
6405 * i386/x-cygwin32 (CLIB): Link in advapi32.
6407 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
6408 (ASM_IDENTIFY_LANGUAGE): Likewise.
6410 * i386.md (movqi recognizer): Don't perfom byte increment into
6413 * configure.in (x86-dg-dgux): Run fixinc.dgux.
6415 * i370.h: Fix typo in GEN_INT changes.
6417 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
6418 of an empty arglist in prototype.
6420 * Makefile.in: Remove bytecode crud that crept back in after the
6423 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
6425 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
6426 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
6428 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
6430 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
6432 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
6434 * c-lex.c (is_class_name): Delete declaration.
6435 (whitespace_cr): Make static and add prototype.
6436 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
6437 yylex, get_directive_line): Turn declarations into prototypes.
6438 (position_after_whitespace, check_newline, yyerror,, is_class_name,
6439 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
6441 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
6443 * gencodes.c (gen_insn): Add prototype.
6444 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
6445 gen_peephole): Add prototypes.
6446 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
6448 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
6449 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
6450 genheader, gencode): Add prototypes.
6451 * genopinit.c (gen_insn): Add prototype.
6452 * genoutput.c (output_prologue, output_epilogue, scan_operands,
6453 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
6454 gen_expand, gen_split, n_occurrences): Add prototypes.
6455 * genpeep.c (gen_peephole): Add prototype.
6456 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
6457 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
6458 labels_in_range_p, count_loop_regs_set, note_addr_stored,
6459 loop_reg_used_before_p, scan_loop, replace_call_address,
6460 skip_consec_insns, libcall_benefit, ignore_some_movables,
6461 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
6462 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
6463 check_final_value, record_giv, update_giv_derive, basic_induction_var,
6464 simplify_giv_expr, general_induction_var, consec_sets_giv,
6465 check_dbra_loop, express_from, combine_givs_p, combine_givs,
6466 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
6467 last_use_this_basic_block, record_initial, update_reg_last_use,
6468 iteration_info, analyze_loop_iterations, insert_bct,
6469 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
6472 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
6474 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
6476 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
6478 * config/mips/mips.c (siginfo): Deleted.
6479 (override_options): Don't install SIGINFO signal handler.
6481 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
6483 * loop.c (check_dbra_loop): When normalize comparison_val, add check
6484 to verify it is non-negative.
6486 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
6488 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
6489 (alpha_expand_block_clear): Likewise.
6491 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
6493 * tree.h (sizetype_tab): Fix previous change for K&R.
6495 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
6497 * version.c: Bump for snapshot.
6499 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
6501 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
6502 Add USG and POSIX to xm_defines.
6504 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
6506 * gcc.c: Add linker spec.
6507 (link_command_spec): Use %(linker) instead of ld.
6508 (main): If collect2 is requested as the linker, see if it exists;
6509 if not, use ld instead.
6511 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
6513 (install-collect2): Install as collect2, not ld.
6515 * configure.in(will_use_collect2): It's named collect2 now.
6517 * collect2: Remove checks to see if we were invoked recursively.
6518 (collect_execute): Use _spawnvp under cygwin32.
6520 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
6522 * haifa-sched.c (build_control_flow): Set unreachable for block whose
6523 only predecessor is itself.
6525 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6527 * c-parse.in: Include system.h, and remove stuff now made redundant.
6530 * protoize.c: Likewise. Properly check for cpp stringification.
6532 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
6535 * objc/Make-lang.in (objc-parse.o): Likewise.
6537 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6539 * gansidecl.h: Check if compiler supports __attribute__. Provide
6540 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
6541 __attribute__ when its available. Also provide definitions for
6542 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
6543 terms of ATTRIBUTE_PRINTF.
6545 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
6548 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
6550 * combine.c (can_combine_p): Include successor in volatile test.
6552 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6554 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
6557 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
6559 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
6560 in prototype and definition.
6562 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
6564 * version.c: Bump for snapshot.
6566 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
6568 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
6569 alpha_expand_unaligned_store_words.
6571 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
6573 * i386.md (movsf_push, movsf_mem): Remove.
6574 (movsf_push): Rename from movsf_push_nomove and move in front of
6575 movsf. Use nonmemory_operand predicate and don't bother checking
6577 (movsf_push_memory): New pattern.
6578 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
6579 both operands refer to memory then force operand[1] into a register.
6580 (movsf_normal): Change to unnamed pattern.
6581 Likewise for movdf, movxf, and friends.
6583 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
6585 * version.c: Bump for snapshot.
6587 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
6589 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
6591 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
6593 * configure.in (mips-wrs-vxworks): New target.
6595 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
6597 * expmed.c (synth_mult): The value -1, has no zeros, so it can
6598 never have the form ...011.
6600 * version.c: Bump for snapshot.
6602 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
6604 * i386.c (asm_output_function_prefix, load_pic_register):
6605 Use ASM_GENERATE_INTERNAL_LABEL properly.
6606 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
6607 (print_operand): Ignore it.
6608 (load_pic_register): Use it for the got load call.
6609 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
6610 (prologue_get_pc_and_set_got): Likewise.
6611 * i386.h: Update print_operand docs.
6613 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
6615 * i386.md (ffssi, ffshi): Rewrite as define_expands.
6616 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
6617 * i386.c (notice_update_cc): Recognize unspec 5.
6619 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
6621 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
6622 * alpha.c (print_operand): Handle it.
6623 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
6625 (fix_truncdfdi2): Likewise.
6627 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
6629 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
6630 of these into a single struct, with additional [us]sizetype entries.
6631 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
6632 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
6635 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
6637 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
6639 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
6641 * haifa-sched.c (split_block_insns): Don't supress insn splitting
6642 on subsequent passes.
6644 * alpha.c (hard_fp_register_operand): New function.
6645 * alpha.h (PREDICATE_CODES): Add it.
6646 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
6647 f<-m case and accompanying define_split.
6648 (trapb): Use a unique unspec_volatile number.
6650 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
6652 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
6655 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
6657 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
6660 * haifa-sched.c: Mirror recent changes from gcc2.
6662 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
6664 * Makefile.in (insn*.o): Depend on system.h.
6666 * pa.c (output_global_address): Initialize base.
6667 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
6669 1998-04-03 Mike Stump <mrs@wrs.com>
6671 * gthr.h: Support systems that don't have weak, but have threads.
6672 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
6673 * gthr-vxworks.h: New file.
6674 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
6676 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
6678 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
6680 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
6682 * ginclude/va-i960.h (va_end): Change void * to void.
6684 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6686 * Makefile.in (choose-temp.o): Depend on system.h.
6688 * choose-temp.c: Include system.h when IN_GCC.
6690 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
6691 Richard Henderson <rth@cygnus.com>
6693 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
6694 (move_replacements): New function.
6695 * reload.h: Prototype it.
6697 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
6699 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
6701 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
6704 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
6705 (gen_highpart): Likewise.
6706 * final.c (alter_subreg): Allow the target to hook by-mode subreg
6707 hard register number changes.
6709 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
6711 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
6712 rnbitsize, rnmode and rinner.
6713 (make_range): Initialize type.
6714 (fold): Initialize arg0, arg1 and varop.
6716 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
6718 (expand_function_start): Initialize last_ptr.
6720 * stor-layout.c (layout_record): Initialize desired_align.
6721 (get_best_mode): Initialize unit.
6723 * tree.c (copy_node): Initialize length.
6725 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
6727 * caller-save.c (insert_save_restore): Initialize pat, code and
6730 * emit-rtl.c (push_to_sequence): Initialize top.
6731 (push_topmost_sequence): Likewise.
6733 * genattrtab.c (simplify_by_exploding): Initialize defval.
6735 * profile.c (branch_prob): Initialize dest.
6737 * rtl.h (note_stores): Remove duplicate prototype.
6738 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
6740 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
6741 strings that are not actually lengths.
6743 * genattrtab.c: Make generated file use system.h, instead of
6744 including stdio.h, etc directly.
6745 * genextract.c, genopinit.c, genoutput.c: Likewise.
6746 * genpeep.c, genrecog.c: Likewise
6748 * genoutput.c (process_template): Mark operands in the generated
6749 function as potentially unused if compiling with GNU CC.
6751 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
6753 * pa.md (reload peepholes): Remove unused variable "mode".
6755 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
6757 * config/arm/thumb.h: Add super interworking support.
6758 * config/arm/thumb.c: Add super interworking support.
6759 * config/arm/thumb.md: Add super interworking support.
6760 * config/arm/lib1funcs.asm: Add interworking support.
6761 * config/arm/lib1thumb.asm: Add super interworking support.
6762 * config/arm/t-semi: Add interworking support.
6763 * config/arm/t-thumb: Add interworking support.
6764 * config/arm/README-interworking: New file.
6766 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
6768 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
6769 (MD_STARTFILE_PREFIX): Unset.
6771 1998-04-01 Mark Mitchell <mmitchell@usa.net>
6773 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
6774 entity in a local scope.
6776 * fold-const.c (fold): Call truthvalue_conversion for values which
6777 are folded to boolean type.
6779 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
6781 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
6782 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
6783 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
6784 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
6785 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
6786 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
6787 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
6788 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
6789 * md.texi: Likewise.
6791 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
6793 * fixincludes (limits.h): Fix nested comments in Motorola's
6794 limits.h and sys/limits.h.
6796 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
6798 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
6799 as dest of expand_binop call.
6801 * alpha.md (extzv): Correct check for valid operand[2] values.
6803 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
6806 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
6808 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
6810 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
6811 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
6813 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
6814 cygwin32 can override this to allow both unix and win32 style PATHs.
6816 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
6817 style environment paths.
6819 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6821 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
6822 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
6823 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
6826 * cpphash.c: Include config.h.
6827 * cppalloc.c: Include system.h. Add parameters to various
6828 function prototypes.
6829 * cpperror.c: Likewise.
6830 * cppexp.c: Likewise.
6831 * cpphash.c: Likewise.
6832 * cpplib.c: Likewise.
6833 * cppmain.c: Likewise.
6834 * fix-header.c: Likewise.
6836 * gen-protos.c: Likewise.
6837 * gengenrtl.c: Likewise.
6838 * halfpic.c: Likewise.
6840 * scan-decls.c: Likewise.
6843 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
6845 * README.gnat: Add lang_print_xnode definition.
6847 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6849 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
6850 fmovecr on the 68060.
6852 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
6854 * genemit.c (DONE): Rework so that it works in the true arm if
6855 an if-else conditional.
6858 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
6860 * rs6000.c: Do not include stdioh or ctype.h anymore.
6862 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
6864 (stor-layout.o): Likewise.
6865 * c-typeck.c: Include rtl.h and expr.h.
6866 * stor-layout.c: Likewise.
6868 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
6869 All callers changed.
6870 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
6871 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
6872 All callers changed.
6874 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
6876 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
6878 * tree.h (lang_print_xnode): Provide prototype.
6880 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
6882 * version.c: Bump for snapshot.
6884 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
6886 * objc/sendmsg.c (__objc_block_forward): Add braces for return
6887 value if INVISIBLE_STRUCT_RETURN.
6889 * pa.c (arith_double_operand): Fix parens.
6891 * haifa-sched.c (print_pattern): Correct arg to sprintf.
6893 * Makefile.in (libgcc1.null): Make return type for __foo void.
6895 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
6897 * pa.h: Add declarations for many functions defined in pa.c.
6899 * genpeep.c (main): Remove unused variable 'i' from the generated
6902 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
6903 (gen_split): Likewise.
6904 (main): Rework generated definitions of DONE and FAIL so that they
6905 no longer use gotos. Avoids warnings about unused labels.
6907 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
6908 unused "junk" variable.
6910 * genattrtab.c (write_complex_function): Add a default case in
6911 generated switch statement to keep -W -Wall quiet.
6913 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
6915 * invoke.texi: Document more ARM and Thumb command line options.
6917 * config/arm/xm-thumb.h: New file.
6919 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
6921 * stmt.c (expand_expr_stmt): Must generate code for
6922 statements within an expression (gcc's `({ ... )}')
6923 even if -fsyntax-only.
6925 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6926 Jeffrey A Law (law@cygnus.com)
6928 * basic-block.h (basic_block_computed_jump_target): Declare.
6929 * flags.h: (current_function_has_computed_jump): Declare.
6930 * flow.c: (basic_block_computed_jump_target): Define.
6931 (flow_analysis): Allocate it. Set current_function_has_computed_jump
6933 (find_basic_blocks): Set current_function_has_computed_jump and
6934 elements of basic_block_computed_jump_target to 1 as appropriate.
6935 * function.c: (current_function_has_computed_jump): Define.
6936 * global.c (global_conflicts): Don't allocate pseudos into stack regs
6937 at the start of a block that is reachable by a computed jump.
6938 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
6940 (subst_stack_regs): Undo change from Sep 4 1997.
6941 (uses_reg_or_mem): Now unused, deleted.
6942 * stupid.c (stupid_life_analysis): Compute
6943 current_function_has_computed_jump.
6944 (stupid_find_reg): Don't allocate stack regs if the function has a
6946 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
6947 the current function has a computed jump. Use the global value
6950 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
6952 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
6953 (DWARF2_UNWIND_INFO): Define to zero.
6955 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
6957 * gcc.c (set_std_prefix): Add declaration.
6958 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
6959 suffix, and update the standard prefix prefix.c uses.
6961 * prefix.c (std_prefix): New global to hold default prefix value.
6962 (get_key_value): Change to use std_prefix instead of PREFIX.
6963 (translate_name): Ditto.
6964 (update_path): Ditto.
6965 (get_key_value): Release allocated scratch storage.
6966 (set_std_prefix): New function to reset the standard prefix.
6968 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6970 * sh.c (find_barrier): Fix calculations for alignment increase.
6972 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
6974 * Makefile.in (stmp-fixinc): If we're actually fixing include
6975 files, copy gcc's assert.h into the fixed include dir.
6976 * fixincludes (assert.h): Avoid any attempts to fix a probably
6977 broken system specific assert.h file.
6978 * fixproto (stdlib.h): Make sure, it'll contain a definition of
6981 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
6983 * regclass.c (reg_scan_mark_refs): Be more selective about
6984 when we mark a register with REGNO_POINTER_FLAG.
6986 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6988 reload inheritance improvement:
6989 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
6990 Change meaning: index is now hard reg number.
6991 (reg_reloaded_valid, reg_reloaded_dead): New variables.
6992 (reload_spill_index): Content is now a hard reg number.
6993 (reload_as_needed): Change to fit new variable meaning.
6994 (forget_old_reloads_1, allocate_reload_reg): Likewise.
6995 (choose_reload_regs, emit_reload_insns): Likewise.
6997 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6999 * regclass.c (record_reg_classes): '?' increases cost by two.
7001 * reload.c (find_reloads): Double previous costs. Output
7002 reloads cost one unit extra.
7004 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
7005 boiled down to && ! 0.
7007 * reload.c (find_equiv_reg): Also consider a goal offset from the
7008 frame pointer to be constant.
7010 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7012 * sh.h (OPTIMIZATION_OPTIONS): Define.
7014 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
7016 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
7018 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
7020 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
7022 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
7024 * c-common.c (check_format_info): Initialize type, is_type. New local
7025 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
7026 when pedantic if used with integral format specifier.
7028 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
7030 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
7032 (function_arg_padding): Declare.
7034 * rs6000.c: Include system.h.
7035 (function_arg_padding): Change return type to int, cast enum's to
7038 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
7039 * collect2.c (scan_prog_file): Add explicit braces to avoid
7042 * dbxout.c (dbxout_type_fields): Add braces around empty body in
7044 (dbxout_type): Likewise.
7046 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
7047 `ptt_size' from int to size_t.
7048 (rs6000_file_start): Likewise for `i'.
7049 (rs6000_replace_regno): Add default case in enumeration switch.
7050 (output_epilog): Remove unused variable `i'.
7051 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
7054 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
7056 (get_issue_rate, non_logical_cint_operand): Add prototype.
7057 (rs6000_output_load_toc_table): Ditto.
7059 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
7062 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
7064 * config/arm/thumb.c: New File. Support for ARM's Thumb
7066 * config/arm/thumb.h: New File. Thumb definitions.
7067 * config/arm/thumb.md: New File. Thumb machine description.
7068 * config/arm/tcoff.h: New File. Thumb COFF support.
7069 * config/arm/t-thumb: New File. Thumb makefile fragment.
7070 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
7072 * configure.in: Add Thumb-coff target.
7073 * configure: Add Thumb-coff target.
7074 * config.sub: Add Thumb-coff target.
7076 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
7078 * loop.c (scan_loop): Initialize move_insn_first to zero.
7080 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
7082 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
7083 * config/i386/rtems.h: Likewise.
7084 * config/i960/rtems.h: Likewise.
7085 * config/m68k/rtems.h: Likewise.
7086 * config/mips/rtems64.h: Likewise.
7087 * config/pa/rtems.h: Likewise.
7088 * config/rs6000/rtems.h: Likewise.
7089 * config/sh/rtems.h: Likewise.
7090 * config/sparc/rtems.h: Likewise.
7092 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7094 * pa.c (emit_move_sequence): If in reload, call find_replacement.
7096 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
7098 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
7100 * collect2.c (find_a_file): Add debugging.
7101 (find_a_file): Test for win32 style absolute paths if
7102 DIR_SERPARATOR is defined.
7103 (prefix_from_string): Add debugging.
7104 (main): Test for debug command line switch at start of program
7106 (main): Use GET_ENVIRONMENT rather than getenv().
7107 (prefix_from_env): Use GET_ENVIRONMENT.
7109 1998-03-24 Mark Mitchell <mmitchell@usa.net>
7111 * cplus-dem.c (optable): Add sizeof.
7112 (demangle_template_value_parm): New function containing code
7113 previously found in demangle_template.
7114 (demangle_integral_value): New function which handles complicated
7115 integral expressions.
7116 (demangle_template): Use them.
7118 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7120 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
7121 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
7122 genattrtab.o, genoutput.o): Depend on system.h.
7124 * genattr.c: Include system.h. Add arguments to various function
7125 prototypes. Remove redundant prototype of read_rtx().
7126 * genattrtab.c: Likewise.
7127 * gencodes.c: Likewise.
7128 * genconfig.c: Likewise.
7129 * genemit.c: Likewise.
7130 * genextract.c: Likewise.
7131 * genflags.c: Likewise.
7132 * genopinit.c: Likewise.
7133 * genoutput.c: Likewise.
7134 * genpeep.c: Likewise.
7135 * genrecog.c: Likewise.
7137 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
7139 * c-lang.c (lang_print_xnode): New function.
7140 * objc/objc-act.c (lang_print_xnode): Likewise.
7141 * print-tree.c (print_node): Call it
7143 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
7145 * c-parse.in: Recognize protocol qualifiers in class
7146 definitions for objc.
7148 (yyerror): Remove redundant decl.
7149 (yyprint): Fix prototype.
7151 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
7153 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
7155 * stmt.c (unroll_block_trees): Free block_vector if needed.
7157 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
7159 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
7160 (zero_extendsidi2): Avoid useless copy.
7161 (iordi_zext): New pattern.
7162 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
7164 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
7166 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
7167 (ashldi3): Allow constant shift count in range ]32,63].
7168 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
7170 1998-03-22 Mark Mitchell <mmitchell@usa.net>
7172 * tree.h (IS_EXPR_CODE_CLASS): New macro.
7174 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
7176 * h8300.h (CONST_COSTS): Remove definition.
7177 (DEFAULT_RTX_COSTS): Define.
7179 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
7181 * config/sh/rtems.h: Switched from ELF to COFF.
7183 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7185 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
7187 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
7189 * version.c: Bump for snapshot.
7191 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
7192 Geoff Noer <noer@cygnus.com>
7194 * Makefile.in: Various fixes for building cygwin32 native toolchains.
7196 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
7197 * objc/Make-lang.in: Likewise.
7199 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
7201 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
7203 * configure.in: Handle with-PACKAGE=no correctly
7205 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7207 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
7208 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
7209 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
7210 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
7211 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
7212 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
7213 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
7214 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
7215 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
7216 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
7219 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
7220 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
7221 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
7222 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
7223 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
7224 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
7225 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
7226 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
7227 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
7228 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
7229 xcoffout.c: Include system.h. Organize include ordering so
7230 that stdarg/varargs comes before other system headers. Remove
7231 spurious casts of functions assured of a prototype in system.h.
7233 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
7235 * reg-stack.c (pop_stack): Define. Pops any register on the
7236 regstack and adjusts regstack.
7237 (compare_for_stack_reg): Use pop_stack.
7239 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
7241 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
7244 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
7246 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
7248 * fold-const.c (fold): Replace sign-extension of a zero extended
7249 value by a single zero extension.
7251 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
7253 * except.c (init_eh): Do nothing.
7254 (save_eh_status): Call init_eh_for_function, not init_eh.
7255 * function.c (push_function_context_to): Don't call init_emit.
7257 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
7259 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
7262 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7264 * final.c (shorten_branches): Add parentheses around +/- in
7267 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
7269 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
7271 * regclass.c (memory_move_secondary_cost): Wrap uses of
7272 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
7275 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
7277 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
7279 * flow.c (life_analysis): #include <sys/types.h> to make sure
7281 * cplus-dem.c (demangle_function_name): Likewise.
7283 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
7285 * final.c (insn_noperands): Change type to unsigned int.
7286 (final_scan_insn): Likewise for noperands;
7287 properly check operand number boundaries.
7289 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
7291 * alpha.md (extzv): Don't reject register operands. Fix
7294 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
7296 * dbxout.c (dbxout_function_end): Fix last change. The correct
7297 predicate is ASM_OUTPUT_SECTION_NAME.
7299 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
7301 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
7302 (ashlsi): Use match_dup 1 instead of match_operand 2.
7304 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7306 * fold-const.c (operand_equal_for_comparison_p): See if equal
7307 when nop conversions are removed.
7309 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7311 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
7312 don't use ORIGINAL_TARGET unless REG.
7314 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7316 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
7318 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
7320 * loop.c (struct movable): New field move_insn_first.
7321 (scan_loop): In consec sets code, set it. Clear it otherwise.
7322 (move_movables): In consec sets code, use it. Copy REG_NOTES from
7323 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
7326 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
7328 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
7329 is large, and the system doesn't provide atoll or atoq.
7332 * alpha/xm-vms.h (HAVE_ATOLL): Define.
7333 Reported by Klaus Kaempf <kkaempf@progis.de>.
7335 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7337 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
7338 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
7340 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
7341 test !ACCUMULATE_OUTGOING_ARGS.
7343 * collect2.c (write_c_file_glob): Wrap function definition in
7344 macro test !LD_INIT_SWITCH.
7346 * combine.c (try_combine): Wrap variables `cc_use' and
7347 `compare_mode' in macro test EXTRA_CC_MODES.
7349 * cpplib.c (do_ident): Remove unused variable `len'.
7350 (skip_if_group): Remove unused variables `at_beg_of_line' and
7352 (cpp_get_token): Remove unused variable `dummy'.
7354 * dbxout.c (scope_labelno): Move static variable definition inside
7355 the one function scope where it is used.
7356 (dbxout_function_end): Wrap prototype and definition in
7357 macro test !NO_DBX_FUNCTION_END.
7359 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
7360 in macro test !MIPS_DEBUGGING_INFO.
7362 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
7363 into the scope where it is used. Wrap empty else-statement body
7366 * fix-header.c: Fix typo in comment.
7367 (inf_skip_spaces): Cast results of INF_UNGET to (void).
7368 (check_protection, main): Likewise.
7370 * flow.c (find_basic_blocks_1): Remove dangling comment text.
7372 * function.c (contains): Wrap prototype and definition in macro
7373 test HAVE_prologue || HAVE_epilogue.
7374 (fixup_var_refs_1): Remove unused variable `width'.
7376 * gen-protos.c (main): Remove unused variable `optr'.
7378 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
7380 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
7381 (__sjpopnthrow): Remove unused variable `jmpbuf'.
7382 (__throw): Remove unused variable `val'.
7384 * protoize.c: Check for a previously existing definition before
7385 defining *_OK macros.
7387 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
7389 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7391 * vax.h (ADDR_VEC_ALIGN): Define.
7393 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
7395 * gcc.c (default_arg): Don't wander off the end of allocated
7398 (From Geoffrey Keating <geoffk@ozemail.com.au>)
7399 * rs6000.c (small_data_operand): Ensure that any address
7400 referenced relative to the small data area is inside the SDA.
7402 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
7404 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
7406 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
7408 * except.h (in_same_eh_region): New prototype.
7409 (free_insn_eh_region, init_insn_eh_region): New prototypes.
7410 * except.c (insn_eh_region, maximum_uid): New static variables.
7411 (set_insn_eh_region): New static function to set region numbers.
7412 (free_insn_eh_region): New function to free EH region table.
7413 (init_insn_eh_region): New function to initialize EH region table.
7414 (in_same_eh_region): New function used to determine if two rtl
7415 instructions are in the same exception region or not.
7416 * final.c (final): Initialize the table indicating which instructions
7417 belong in which exception region.
7418 * genpeep.c (main): Add "except.h" to include file list in generated
7420 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
7421 peepholes involving calls and unconditional branches.
7423 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
7425 * README.gnat: New file.
7427 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7429 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
7430 "recog.h" for offsettable_memref_p.
7431 (legitimize_pic_address): Remove unused variable `offset'.
7432 (notice_update_cc): Change return type to void. Add default label
7434 (standard_68881_constant_p): Remove unused variable mode.
7435 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
7436 (const_int_cost): Explicitly declare as returning int.
7437 (output_dbcc_and_branch): Change return type to void.
7439 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
7440 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
7441 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
7443 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
7445 * version.c: Bump for snapshot.
7447 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7449 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
7450 check for 'M' constraint.
7452 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
7454 * cccp.c (create_definition): If pedantic, call pedwarn for macro
7457 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7459 * i386.c (ix86_logical_operator): New function.
7460 (split_di): Ensure that when a MEM is split, the resulting MEMs have
7462 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
7465 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7466 Richard Earnshaw <rearnsha@arm.com>
7467 Nick Clifton <nickc@cygnus.com>
7469 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
7471 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
7473 * cse.c (rtx_cost): Provide a default case in an enumeration
7474 switch, and call DEFAULT_RTX_COSTS if it's defined.
7476 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
7478 * basic-block.h (compute_preds_succs): Change return type in
7480 * flow.c (compute_preds_succs): Likewise in function definition.
7482 * regmove.c (find_matches): Cast char used as array index to unsigned char
7485 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
7487 * i386.h (RTX_COSTS): Insert braces around nested if.
7488 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
7491 * gcc.c (default_compilers): Properly put brackets around array elements in
7494 * getopt.c (_getopt_internal): Add explicit braces around nested if;
7497 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
7498 (record_reg_life_pat): Add explicit parens around && and || in expression.
7499 (stack_reg_life_analysis): Add parens around assignment used as expression.
7500 (convert_regs): Likewise.
7502 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
7504 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
7505 change callers accordingly.
7507 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
7508 and definition; change all callers accordingly.
7510 * except.c (init_eh): Avoid assignment of unused return value of
7511 build_pointer_type; cast it to void, instead, and remove unused
7514 * gcc.c (lang_specific_driver): Define prototype only #ifdef
7515 LANG_SPECIFIC_DRIVER.
7516 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
7518 * genoutput.c (output_epilogue): Initialize next_name to 0.
7520 * real.c (efrexp): #if 0 prototype and function definition.
7521 (eremain): Likewise.
7528 * reload.c (push_secondary_reload): Define prototype only
7529 #ifdef HAVE_SECONDARY_RELOADS.
7531 * varasm.c (assemble_static_space): Define rounded only
7532 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
7534 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
7536 * i386.md (andsi): Add default case in enumeration switch.
7541 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
7543 * c-decl (finish_struct): Change type of min_align to unsigned.
7545 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
7546 remove unused variable len.
7548 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
7549 comment indicating this is proper behaviour.
7550 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
7552 (based_loc_descr): Likewise.
7554 * enquire.c (bitpattern): Change type of variable i to unsigned.
7556 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
7558 * flow.c (life_analysis): Change type of variable i to size_t;
7559 remove unused variable insn.
7561 * gcc.c (translate_options): Change type of variables optlen, arglen and
7563 (input_filename_length): Change type to size_t.
7564 (do_spec_1): Change type of variable bufsize to size_t.
7565 (main): Change type of variables i and j to size_t;
7566 remove subblock local definition of variable i.
7567 (lookup_compiler): Change type of second argument to size_t;
7568 change type of variable i to size_t.
7570 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
7572 * genopinit.c (get_insn): Change type of variable pindex to size_t.
7574 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
7576 * global.c (global_alloc): Change type of variable i to size_t.
7578 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
7580 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
7581 (expand_end_case): Change type of variable count to size_t.
7583 * toplev.c (main): Change type of variable j to size_t.
7584 (set_target_switch): Change type of variable j to size_t.
7585 (print_switch_values): Change type of variable j to size_t;
7586 remove unused variable flags.
7588 * varasm.c (assemble_variable): Change type of variable align to size_t.
7589 (const_hash_rtx): Change type of variable i to size_t.
7591 1998-03-11 Mark Mitchell <mmitchell@usa.net>
7593 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
7594 TREE_VEC if that's what it really is.
7596 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
7598 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
7601 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
7603 * gthr.h: Changed the comment about return values.
7604 * gthr-solaris.h (__gthread_once): Do not use errno; return the
7605 error number instead of -1.
7606 (__gthread_key_create): Any non-zero return value is an error.
7607 * libgcc2.c (eh_context_initialize): Check for non-zero return
7608 value from __gthread_once.
7609 Check that the value of get_eh_context was really changed.
7611 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7613 * sh.h (LOOP_ALIGN): Only align when optimizing.
7614 * sh.c (find_barrier): Clear inc for CODE_LABELs.
7615 When not optimizing, calculate alignment for BARRIERs directly.
7617 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7619 * final.c (shorten_branches): Remove conditionalizing on
7620 SHORTEN_WITH_ADJUST_INSN_LENGTH
7621 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
7623 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
7625 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
7626 an unconditional jump around deleted blocks.
7628 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
7630 * profile.c (branch_prob): If see computed goto, call fatal instead of
7633 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
7635 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
7636 Patch from Bruno Haible.
7638 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
7639 (assign_parms): Set aggregate if hide_last_arg and last_named.
7641 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7643 * final.c (shorten_branches): Initialize insn_addresses.
7645 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7647 * sh.h (MUST_PASS_IN_STACK): Define.
7649 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
7651 * final.c (shorten_branches): Fix minor logic error in
7652 ADDR_DIFF_VEC shortening support.
7654 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
7656 * version.c: Bump for snapshot.
7658 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
7660 * haifa-sched.c (is_cfg_nonregular): Change return type to
7661 an int. No longer compute "estimated" number of edges. Use
7662 computed_jump_p instead of duplicating the code. Fixup/add
7664 (build_control_flow): Returns a value indicating an irregularity
7665 in the cfg was detected. Count the number of edges in the cfg.
7666 allocate various edge tables.
7667 (find_rgns): No longer look for unreachable blocks.
7668 (schedule_insns): Do not allocate memory for edge tables here.
7669 Free memory for edge tables before returning. Do not perform
7670 cross block scheduling if build_control_flow returns nonzero.
7671 * flow.c (compute_preds_succs): More accurately determine when
7674 * basic-block.h (free_basic_block_vargs): Provide prototype.
7676 * cccp.c (main): Fix dumb mistakes in last change.
7678 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7680 * rtl.h (addr_diff_vec_flags): New typedef.
7681 (union rtunion_def): New member rt_addr_diff_vec_flags.
7682 (ADDR_DIFF_VEC_FLAGS): New macro.
7684 * sh.c (output_branch): Fix offset overflow problems.
7686 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
7687 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
7688 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
7689 * stmt.c (expand_end_case): Supply new arguments to
7690 gen_rtx_ADDR_DIFF_VEC.
7691 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
7692 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
7693 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
7694 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
7695 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
7696 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
7697 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
7698 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
7699 * i386/freebsd.h, i386/linux.h : Likewise.
7700 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
7701 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
7702 * m68k/mot3300.h, m68k/sgs.h : Likewise.
7703 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
7704 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
7705 (CASE_VECTOR_SHORTEN_MODE): Define.
7706 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
7707 (med_branch_p, braf_branch_p): Don't declare.
7708 (mdep_reorg_phase, barrier_align): Declare.
7709 (ADJUST_INSN_LENGTH): Remove alignment handling.
7710 * sh.c (uid_align, uid_align_max): Deleted.
7711 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
7712 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
7713 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
7714 (output_far_jump): Don't use braf_branch_p.
7715 (output_branchy_insn): Don't use branch_offset.
7716 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
7717 Remove paired barrier stuff.
7718 Don't use cache_align_p.
7719 Take alignment insns into account.
7720 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
7722 (barrier_align, branch_dest): New function.
7723 (machine_dependent_reorg, split_branches): Remove infrastructure
7724 for branch shortening that is now provided in the backend.
7725 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
7726 (braf_branch_p, braf_cbranch_p): Likewise.
7727 (attribute length): Use new attributes.
7728 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
7729 (addr_diff_vec_adjust): Delete.
7730 (align_2): Now a define_expand.
7731 (align_log): Now length 0.
7733 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
7735 * m32r.md (right): Correctly check for length == 2, not 1.
7737 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7739 * mips/mips.h: Prototype `machine_dependent_reorg'.
7740 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
7742 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
7744 * final.c (shorten_branches): Restore accidentally removed code.
7746 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7748 * configure.in: Remove duplicate uses of AC_PROG_CC and
7751 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
7753 * configure.in (target_cpu_default2): Correct typo for alphapca56.
7755 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
7756 Doug Evans (devans@cygnus.com)
7758 * haifa-sched.c (build_jmp_edges): Delete dead function.
7759 (build_control_flow): Use cfg routines from flow.c
7760 (schedule_insns): Remove debugging code accidentally checked
7763 * basic-block.h: Add external integer list structures, typdefs,
7764 accessor macros and function declarations. Simlarly for
7765 basic block pred/succ support and simple bitmap stuff.
7766 * flow.c: Add functions for integer list, basic block pred/succ
7767 support and simple bitmap support.
7768 (compute_dominators): New function to compute dominators and
7770 (find_basic_blocks): Split into two functions.
7771 (life_analysis): Likewise.
7772 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
7773 the life_analysis from toplev.c
7774 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
7775 life_analysis instead of flow_analysis.
7777 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7779 * jump.c (jump_optimize): Call mark_jump_label also for deleted
7781 (mark_jump_label): Don't increment ref counts for deleted insns.
7783 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7785 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
7787 * mips/mips.c: Include stdlib.h and unistd.h.
7788 (mips_asm_file_end): Add braces around empty body in an if-statement.
7789 (function_prologue): Wrap variable `fnname' in
7790 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
7791 (mips_select_rtx_section, mips_select_section): Declare as void.
7793 * mips/mips.h: Add prototypes for extern functions in mips.c.
7794 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
7795 (ENCODE_SECTION_INFO): Add braces around empty body in an
7798 * mips/mips.md (movdi): Add parentheses around && within ||.
7799 (movsf, movdf): Likewise.
7800 (branch_zero, branch_zero_di): Add default case in
7804 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
7806 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
7807 real constants, since they can't be changed.
7808 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
7809 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
7810 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
7811 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
7812 * alpha/vms.h (TARGET_OPEN_VMS): New.
7813 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
7815 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
7817 * reload.c (find_reloads): Always force (subreg (mem)) to be
7818 reloaded if WORD_REGISTER_OPERATIONS.
7820 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
7822 * haifa-sched.c (free_list): Rename from free_pnd_lst.
7823 (free_pending_lists): Rename free_pnd_lst uses.
7824 (remove_dependence): Place expunged element on unused_insn_list.
7825 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
7826 gen_rtx_*_LIST and alloc_rtx to use them.
7827 (compute_block_backward_dependences): Free the reg_last_* lists.
7829 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
7831 * cccp.c (main): Avoid undefined behavior when setting pend_includes
7834 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
7836 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
7837 USE_GNULIBC_1 is defined
7838 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
7839 includes the t-linux-gnulibc1 fragment
7841 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
7843 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
7845 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7847 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
7849 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7851 * final.c (shorten_branches): Tag the loop alignment onto the
7852 first label after NOTE_INSN_LOOP_BEG even if there is an
7855 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7857 * final.c (insn_current_reference_address):
7858 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
7859 proper alignment chain.
7861 * final.c (max_labelno): New static variable.
7862 (final_scan_insn): Check max_labelno before outputting an
7863 alignment for a label.
7864 (shorten_branches): Remove unused variable length_align.
7866 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7868 * sparc.c (ultrasparc_adjust_cost): Add default case in
7871 * sparc.h: Add prototypes for extern functions defined in
7874 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
7876 * toplev.c: Only generate <name>.dbr file when dumping RTL if
7877 DEALY_SLOTS is defined.
7879 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
7881 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
7882 in call to fill_slots_from_thread.
7884 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
7886 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
7887 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
7889 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7891 * final.c (insn_last_address, insn_current_align, uid_align):
7893 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
7894 (insn_current_reference_address): Likewise.
7895 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
7896 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
7897 (label_to_alignment): New function.
7898 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
7899 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
7900 insn_current_reference_address instead of insn_current_address.
7901 (or_attr_value, write_length_unit_log): New functions.
7902 (main): Call write_length_unit_log.
7903 (write_const_num_delay_slots): Output extra '\n'.
7904 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
7906 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
7907 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
7908 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
7910 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
7911 (LABEL_ALIGN_AFTER_BARRIER).
7912 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
7913 * ns32k/tek6000.h: Likewise.
7914 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
7915 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
7916 ASM_OUTPUT_ALIGN_CODE.
7918 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
7920 * version.c: Bump for snapshot.
7922 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
7924 * version.c: Bump for snapshot.
7926 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
7928 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
7929 if condition code of jump conflicts with opposite_needed.
7931 * reorg.c (fill_slots_from_thread): Mark resources referenced in
7932 opposite_needed thread. Return delay_list even when cannot get
7933 any more delay insns from end of subroutine.
7935 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
7937 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
7938 All callers changed.
7940 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
7942 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
7943 end_fde_sort): New functions for fast sorting of an FDE array.
7944 (fde_insert): Simplified.
7945 (add_fdes): Change argument list.
7946 (frame_init): Use the new functions.
7948 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
7950 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
7952 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
7954 * fold-const.c (fold_range_test): Always return a value.
7956 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
7958 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
7959 data in the text section unless READONLY_DATA_SECTION is defined.
7961 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
7963 * c-parse.in (undeclared variable error): Tweak error message to
7966 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
7968 * version.c: Bump for snapshot.
7970 1998-02-28 Mark Mitchell <mmitchell@usa.net>
7972 * final.c (final_scan_insn): Undo overzealous removal of `set'.
7974 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7976 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
7977 case, add parentheses to specify the proper order of precedence in
7981 * c-aux-info.c: Include string.h/strings.h.
7983 * pa.c: Include stdlib.h.
7984 (pa_combine_instructions): Prototype the function.
7985 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
7986 (reloc_needed): Add default case for enumeration switch.
7987 (remove_useless_addtr_insns): Remove unused variable `all'.
7988 (hppa_expand_prologue): Add explicit braces to avoid
7990 (output_function_epilogue): Remove unused variable `i'.
7991 (output_millicode_call): Remove unused variable `link'.
7992 (shadd_constant_p, forward_branch_p): Make the function static.
7993 (following_call): Explicitly declare to return int.
7994 (pa_reorg): Declare as void.
7995 (pa_combine_instructions): Declare as static void. Add
7996 parentheses around && within ||.
7998 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
7999 following_call, function_label_operand, lhs_lshift_cint_operand
8002 * pa.md: Add parentheses around && within ||.
8004 * cppalloc.c: Include stdlib.h.
8006 * cpperror.c (cpp_print_containing_files): Remove unused variable
8007 `i'. Fix format specifier in fprintf.
8009 * cse.c (cse_around_loop): Add explicit braces to avoid
8011 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
8013 * expr.c (expand_expr): Add parentheses around && within ||.
8015 * final.c (app_enable): Replace fprintf with fputs where there are
8016 no format specifiers and no trailing argument after the string.
8017 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
8018 (app_disable): Likewise.
8019 (final_end_function): Likewise.
8020 (final_scan_insn): Likewise. Remove unused variable `set'.
8021 (profile_function): Wrap empty if-statement body in {} brackets.
8023 * function.c: Include stdlib.h.
8024 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
8025 (reposition_prologue_and_epilogue_notes): Add parentheses
8026 around assignment used as truth value.
8028 * integrate.c (expand_inline_function): Wrap variable
8029 `cc0_insn' in macro HAVE_cc0.
8031 * jump.c (jump_optimize): Wrap variable `q' in macro
8032 HAVE_cc0. Remove unused variable `prev1'.
8034 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
8035 within ||. Fix format specifier in fprintf.
8036 (__bb_init_prg): Add parentheses around assignment used as
8039 * local-alloc.c: Include stdlib.h.
8040 (requires_inout): Add parentheses around assignment used
8043 * loop.c (analyze_loop_iterations): Wrap prototype and definition
8044 in macro HAVE_decrement_and_branch_on_count.
8045 (insert_bct, instrument_loop_bct): Likewise.
8046 (move_movables): Add parentheses around assignment used as
8048 (consec_sets_invariant_p): Likewise.
8049 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
8051 * objc/objc-act.c: Include stdlib.h.
8052 (lookup_method_in_protocol_list): Wrap empty else-statement body
8054 (lookup_protocol_in_reflist): Likewise.
8055 (objc_add_static_instance): Remove unused variables `decl_expr'
8057 (get_objc_string_decl): Remove unused variable `decl'.
8058 (generate_static_references): Remove unused variables `idecl' and
8060 (check_protocols): Wrap empty else-statement body in braces.
8062 * protoize.c: Include stdlib.h.
8063 (substr): Add parentheses around assignment used as truth value.
8064 (abspath): Likewise.
8065 (shortpath): Likewise.
8067 * regmove.c (fixup_match_1): Add parentheses around assignment
8068 used as truth value.
8070 * reload.c (push_secondary_reload): Remove unused variable `i'.
8071 (find_reloads): Add parentheses around assignment used as truth
8074 * reload1.c: Include stdlib.h.
8076 * rtl.h: Correct typo in prototype of offsettable_memref_p.
8078 * stmt.c (add_case_node): Add parentheses around assignment used
8080 (case_tree2list): Likewise.
8082 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
8083 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
8084 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
8085 (merge_attributes): Add explicit braces to avoid ambiguous
8088 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
8091 * varasm.c: Include stdlib.h.
8094 * system.h: Remove sys/stat.h.
8095 * gcc.c: Add sys/stat.h.
8097 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
8098 * genattrtab.c: Likewise.
8099 * genconfig.c: Likewise.
8100 * genemit.c: Likewise.
8101 * genextract.c: Likewise.
8102 * genflags.c: Likewise.
8103 * genopinit.c: Likewise.
8104 * genoutput.c: Likewise.
8105 * genpeep.c: Likewise.
8106 * genrecog.c: Likewise.
8107 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
8109 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8111 * invoke.texi: Use @itemx for a secondary item in a @table.
8113 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
8116 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
8118 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
8120 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
8122 * i386.c (struct machine_function): Add new fields for PIC stuff.
8123 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
8125 (restore_386_machine_status): Corresponding changes.
8126 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
8128 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
8130 * c-parse.y (undeclared variable error): Tweak error message
8133 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
8135 * flags.h (g_switch_value, g_switch_set): Declare.
8136 * alpha.c (override_options): Set g_switch_value=8 if not set.
8137 * alpha/elf.h (CC1_SPEC): New.
8139 (LINK_SPEC): Pass along the -G value we were given.
8140 (LOCAL_ASM_OP): Remove.
8141 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
8142 (MAX_OFILE_ALIGNMENT): New.
8143 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
8144 (EXTRA_SECTIONS): Add sbss and sdata.
8145 (SECTION_FUNCTION_TEMPLATE): New.
8146 (EXTRA_SECTION_FUNCTIONS): Use it.
8147 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
8148 (SELECT_SECTION): Use sdata when small enough.
8149 * alpha/linux.h (ASM_SPEC): Remove.
8152 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
8153 * config.sub (sco5): Fix typo.
8155 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
8157 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
8159 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
8160 * config/alpha/t-linux: Remove file.
8161 * config/sparc/t-linux: Remove file.
8162 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
8163 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
8164 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
8166 (alpha*-*-linux-gnu*): Likewise.
8167 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
8168 (sparc-*-linux-gnu*): Likewise.
8170 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
8171 * collect2.c (ldd_file_name): Bracket declaration with same
8173 (full_real_ld_suffix): Deleted. Variable was calloced and
8174 written into, but never read.
8176 1998-02-23 Mike Stump <mrs@wrs.com>
8178 * configure.in: Add support for i386-wrs-vxworks configuration.
8179 * i386/vxi386.h: New file.
8181 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
8183 * tree.c (contains_placeholder_p): Ensure function always returns
8185 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
8186 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
8188 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
8190 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
8192 1998-02-22 Paul Eggert <eggert@twinsun.com>
8194 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
8195 Define this new symbol.
8196 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
8197 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
8198 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
8200 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
8202 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
8203 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
8205 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
8207 * objc/Object.m (-error): Call objc_verror with our va_list.
8209 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8211 * collect2.c (scan_prog_file): Completely cover uses of variable
8212 `exports' with macro COLLECT_EXPORT_LIST.
8214 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
8216 * version.c: Bump for snapshot.
8218 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
8220 * sched.c (schedule_block): Remove code to get arguments from hard
8221 regs into pseudos early. Same as Aug 25, 1997 change to
8224 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
8226 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
8228 1998-02-16 Mark Mitchell <mmitchell@usa.net>
8230 * toplev.c (rest_of_compilation): Do not defer the output of a
8233 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
8235 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
8236 continuation character (line 243).
8238 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8240 * genrecog.c (main): Remove duplicated sentence in emitted comment.
8242 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
8243 David Edelsohn <edelsohn@mhpcc.edu>
8245 * collect2.c (XCOFF_SCAN_LIBS): Remove.
8246 (export_flag): New variable.
8247 (export_file): #ifdef COLLECT_EXPORT_LIST.
8248 (import_file, exports, imports, undefined): New variables.
8249 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
8250 (dump_list, dump_prefix_list, is_in_list): New functions.
8251 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
8252 (write_import_file, resolve_lib_name): New functions.
8253 (use_import_list, ignore_library): Same.
8254 (collect_exit): maybe_unlink import_file and #ifdef.
8256 (main): New variable importf, #ifdef exportf. Move parsing of
8257 -shared before general argument parsing. Resolve AIX library
8258 paths and import libgcc.a symbols. Treat .so shared libraries the
8259 same as objects and .a libraries. Create alias for object_lst and
8260 increment it instead of original pointer. Scan AIX libraries as
8261 objects earlier instead of using scan_libraries. Perform AIX
8262 tlink later to resolve templates instead of forking ld.
8263 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
8264 (GCC_UNDEF_SYMBOL): New macro.
8265 (scan_prog_file): Loop for members of AIX libraries. Handle
8266 export/import of ctors/dtors.
8267 (aix_std_libs): New variable.
8268 (scan_libraries, XCOFF): Delete.
8270 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
8272 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
8274 1998-02-19 Mike Stump <mrs@wrs.com>
8276 * Makefile.in: Use $tooldir for sys-include to match toplevel
8279 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
8280 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8282 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
8284 * emit-rtl.c (hard-reg-set.h): Include.
8285 (get_lowpart_common): Don't make new REG for hard reg in a
8286 class that cannot change size.
8287 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
8289 * combine.c: Revert previous patch.
8291 1998-02-19 Paul Eggert <eggert@twinsun.com>
8293 * config/sparc/sol2-sld.h: New file.
8294 * configure.in (sparc-*-solaris2*): Use it when using the
8297 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
8299 * loop.c (force_movables): Fix typo.
8301 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
8303 * m88k.h: Change file pattern to match reality.
8305 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
8307 * varasm.c (output_constant_pool): Fix dumb thinko in last
8310 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
8311 a function name to a section name.
8313 1998-02-18 Doug Evans <devans@cygnus.com>
8315 * tree.h (merge_machine_{type,decl}_attributes): Declare.
8316 (split_specs_attrs, strip_attrs): Add prototypes.
8317 * tree.c (merge_machine_{type,decl}_attributes): New functions.
8318 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
8319 Update olddecl's attributes too.
8320 * c-common.c (strip_attrs): New function.
8321 * c-typeck.c (common_type): Call merge_machine_type_attributes.
8322 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
8323 (make_decl_rtl): Likewise.
8325 1998-02-18 Jim Wilson <wilson@cygnus.com>
8327 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
8329 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
8331 Remove this change until we can fix it correctly.
8332 * collect2.c: Bracket declaration of 'exportf' and
8333 'full_real_ld_suffix'.
8335 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
8337 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
8339 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
8341 * c-common.c (c_expand_start_cond, c_expand_end_cond,
8342 c_expand_start_else): Don't warn about non-ambiguous else even if
8345 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
8347 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
8348 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
8351 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
8353 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
8354 simplifying a subreg of a hard reg.
8355 (expand_compound_operation): Likewise.
8356 (force_to_mode): Likewise.
8358 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8360 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
8361 (lshift_double): Add parentheses around + or - inside shift.
8362 (rshift_double): Likewise.
8363 (size_int_wide): Explicitly set type of `bit_p' to `int'.
8365 * Makefile.in (fold-const.o): Depend on system.h.
8367 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
8370 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
8371 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
8372 (sched_note_set): Remove unused parameter `b', all callers changed.
8373 (schedule_block): Likewise for `rgn'.
8374 (split_hard_reg_notes): Likewise for `orig_insn'.
8375 (check_live): Likewise for `trg'.
8376 (update_live): Likewise.
8377 (check_live_1): Explcitly declare variable `i' as int.
8378 (update_live_1): Likewise.
8379 (insn_issue_delay): Remove unused variable `link'.
8380 (sched_analyze_2): Add default case in enumeration switch.
8381 (schedule_insns): Remove unused variable `i'.
8383 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
8385 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
8387 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
8388 a dangling else clause.
8390 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
8392 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
8393 pointer for the stack pointer in MIPS16 and 64BIT.
8395 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8397 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
8398 * emit-rtl.c (force_line_numbers, restore_line_number_status):
8400 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
8401 (expand_start_case): Adjust to this change.
8402 (check_seenlabel): New function.
8403 (pushcase, pushcase_range, expand_endcase): Use it.
8405 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8407 * i386.md (adddi3): Add =!r,0,0,X alternative.
8409 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
8411 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
8412 * x-aix31 (INSTALL): Delete.
8414 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
8416 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
8417 tsize changes to something other than zero.
8419 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
8421 * ginclude/va-mips.h: Replace casts of pointers to int with
8422 casts of pointers to __PTRDIFF_TYPE__.
8424 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
8426 * loop.c (strength_reduce, record_biv, record_giv): Use
8427 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
8429 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
8431 * tree.c (first_rtl_op): New fn.
8432 (unsave_expr_now): Use it.
8433 * print-tree.c (print_node): Likewise.
8434 * tree.c (has_cleanups): New fn.
8435 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
8436 conservative about pushing the cleanup point down.
8437 * tree.h: Declare them.
8439 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
8441 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
8442 (flag_schedule_reverse_after_reload): Likewise.
8443 (f_options): Remove reverse scheduling support.
8444 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
8445 (flag_schedule_reverse_after_reload): Likewise.
8446 * haifa-sched.c (rank_for_schedule): Remove support for reverse
8449 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8451 * gcc.c: Get system includes, prototypes and macros via "system.h"
8452 instead of doing it manually. Change all calls of the ctype
8453 macros to custom versions defined in "system.h".
8455 * system.h: Fix return type of bcmp prototype from `void' to `int'.
8456 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
8457 Add a prototype for getenv.
8459 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
8461 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
8463 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
8465 * alias.c: Include <stdlib.h> and <string.h>.
8466 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
8468 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
8470 * version.c: Bump for snapshot.
8472 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
8474 * arm.md (movsfcc): Also validate operands[3] when compiling hard
8476 (movdfcc): Only accept fpu_add_operand for operands[3].
8478 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
8479 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
8481 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
8483 * varasm.c (output_constant_pool): Bring back 'done' label inside
8484 an appropriate #ifdef.
8486 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
8488 (bitmap_copy, bitmap_operation): Likewise.
8489 * combine.c (combinable_i3pat): Similarly for 'src'.
8490 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
8491 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
8492 * regclass.c (copy_cost): Similarly for 'secondary_class'.
8493 * reload.c (make_memloc): Simliarly for 'i'.
8494 (find_reloads_address_1): Similarly for 'link'.
8495 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
8496 (emit_reload_insns): Similarly for 'second_reloadreg'.
8497 * unroll.c (iteration_info): Similarly for 'v'.
8499 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
8500 * calls.c (expand_call): Similarly for 'i'.
8501 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
8502 * fold-const.c (strip_compund_expr): Similarly for 'type'.
8503 * function.c (fixup_var_refs_1): Similarly for 'width'.
8504 (fixup_memory_subreg): Similarly for 'saved'.
8505 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
8506 (setjmp_protect): Similarly for 'sub'.
8507 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
8508 * loop.c (record_giv): Similarly for 'p'.
8509 (combine_givs): Similarly for 'temp_iv'.
8510 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
8511 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
8512 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
8513 * unroll.c (unroll_loop): Similarly for 'copy'.
8514 (iteration_info): Similarly for 'b'.
8515 * varasm.c (assemble_string): Similarly for 'i'.
8516 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
8518 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
8520 * c-lang.c (lang_print_xnode): New function.
8521 * objc/objc-act.c (lang_print_xnode): Likewise.
8522 * print-tree.c (print_node): Call it
8524 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
8526 * dwarf2out.c (decl_scope_node): New type.
8527 (decl_scope_table): Change type to use it.
8528 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
8529 (push_decl_scope): Use new type. New locals containing_scope, i.
8530 Add code to handle setting previous field.
8531 (scope_die_for): Change type of local i to int. Add code to use
8533 (dwarf2out_init): Use new type.
8535 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
8537 * except.c (emit_throw): Lose throw_used.
8539 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8541 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
8543 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
8545 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
8547 * genextract.c (main): Fix typo.
8549 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
8551 * c-lang.c (finish_file): Bracket declaration of static_ctors,
8554 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
8555 'old_stack_arg_under_construction'
8556 (emit_library_call): Bracket declaration of 'upper_bound',
8557 'lower_bound', 'i', 'reg_parm_stack_space'
8558 (emit_library_call_value): Likewise.
8561 * collect2.c: include <unistd.h> when appropriate.
8562 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
8564 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
8566 * explow.c (plus_constant_for_output_wide): Remove unused variable
8568 (memory_address): Remove unused variable 'orig_x'.
8570 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
8571 (write_const_num_delay_slots): Remove unused variable 'i'.
8573 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
8574 (gen_insn): Remove unused variable 'obstack_ptr'.
8576 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
8578 (__bb_exit_trace_func): Remove unused variable 'e'.
8580 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
8582 (expand_unop): Remove unused variable 'funexp'.
8583 (expand_complex_abs): Remove unused variable 'funexp'.
8584 (init_optabs): Bracket declaration of 'j'.
8585 (init_complex_libfuncs): Deleted. Dead static function.
8587 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
8589 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
8590 (reg_to_stack): 'initialized', 'before_function_beg'
8591 explictly type as ints instead of defaulting.
8592 (emit_swap_insn): Remove unused variable 'i2'.
8593 (compare_for_stack_reg): Remove unused variable 'src_note'.
8595 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
8597 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
8599 * stmt.c (add_case_node): Add parens for assignment used as truth.
8600 (all_cases_count): Remove unused variable 'count_high'.
8601 (mark_seen_cases): Remove unused variable 'i'.
8602 (check_for_full_enumeration_handling): Remove unused variable 't'.
8603 Bracket declaration of 'all_values', 'l'.
8605 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
8607 * varasm.c (assemble_string): Remove unused variable 'i'.
8608 (immed_double_const): Remove unused variable 'in_current_obstack'.
8609 (immed_real_const_1): Likewise.
8610 (output_constant_pool): Remove unreferenced label 'done'.
8611 (output_constant): Remove unused variable 'x'.
8613 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
8616 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
8619 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8621 * combine.c (can_combine_p): Handle USEs in PARALLELs.
8623 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
8625 * config/linux.h (LIB_SPEC): Add -lc for -shared if
8626 USE_GNULIBC_1 is not defined.
8627 * config/sparc/linux.h; Ditto.
8629 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
8631 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
8632 USE_GNULIBC_1 is not defined.
8634 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
8636 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
8639 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8641 * system.h: New file to get common systems includes and various
8642 definitions and declarations based on autoconf macros.
8644 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
8646 * cccp.c (new_include_prefix): Correctly handle -I./.
8648 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
8650 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
8652 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
8654 * expr.c (expand_assignment): Correct typo exposed by -Wall.
8655 offset should have been a truth value, not an assignment.
8657 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
8659 * cse.c (delete_dead_from_cse): If a libcall produces a constant
8660 result and that result can be substituted into SET_SRC of the
8661 insn with the REG_RETVAL note, then perform the substitution
8662 and delete the libcall.
8664 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
8666 * mips.md (trucndihi2,truncdiqi2): Change these to support
8669 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
8671 * mips/mips.c (movdi_operand): Direct referances to symbols
8672 that arn't mips16 consts in mips16 mode arn't valid operands.
8674 * mips/mips.c (mips_move_2words): Add gprel handling.
8676 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
8678 * mips.md (extendsidi2): Allow extension to/from a non-mips16
8681 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
8683 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
8686 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8688 * Makefile.in (WARN_CFLAGS): New variable.
8689 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
8691 1998-02-11 Mark Mitchell <mmitchell@usa.net>
8693 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
8694 falling through default case in switch.
8695 (i386_aligned_p): Likewise.
8697 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
8699 * mips/mips.h (mips_abi_string): Correct typo in comment.
8701 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
8703 * mips/mips.md (movdi): These PLUS's need to be Pmode.
8705 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8707 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
8708 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
8709 indirectly via expr.h.
8711 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
8713 * stor-layout.c (layout_type): Do upper - lower in the native type,
8714 so as to properly handle negative indices.
8716 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
8718 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
8719 (expand_eh_region_start_tree): Remove unused variable 'note'.
8720 (exception_optimize): Remove unused variable 'regions'.
8721 (expand_builtin_eh_stub): Remove unused variable 'temp'.
8722 (copy_eh_entry): Deleted. Dead function.
8724 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
8725 'last' with same #if HAVE_load_multiple as use of it.
8726 (move_block_from_reg): Likewise.
8727 (emit_move_insn_1): Remove unused variable 'insns'.
8728 (store_constructor): Bracket declaration of startb, endb with
8729 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
8730 'target', and 'xtarget'.
8731 (expand_builtin_setjmp): Remove unused variables 'op0',
8732 'next_arg_reg', 'old_inhibit_defer_pop'.
8733 (expand_builtin): Remove unused variable 'offset'.
8734 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
8735 (emit_queue): Add parens for assignment used as conditional.
8736 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
8738 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
8740 * i386.c: Added include for recog.h.
8741 (override_options): Removed unused variable p. Initialized regno to
8743 (order_regs_for_local_alloc): Initialized regno to avoid warning.
8744 (legitimize_address): Likewise for 'other'.
8745 (i386_aligned_reg_p): Added default case with abort ().
8746 (print_operand): Likewise.
8747 (reg_mentioned_in_mem): Likewise.
8748 (ix86_expand_binary_operator): Removed unused variables i & insn.
8749 (ix86_expand_unary_operator): Removed unused variable insn.
8750 (output_fp_cc0_set): Removed unused variable unordered_label.
8752 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
8754 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
8755 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
8756 and format string match.
8758 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
8760 * flow.c (life_analysis): Do not conside the stack pointer live at
8761 the end of a function if the fucntio ncalls alloca.
8762 (mark_used_regs): Similarly.
8764 1998-02-10 John F Carr <jfc@mit.edu>
8766 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
8767 1, fzero on alternative 8.
8769 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8771 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
8773 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8775 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
8776 SUBREGs of CONST_INTs.
8778 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
8780 * mips.c (print_operand, function_prologue): Make printf format
8781 match argument type.
8783 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8785 * alpha.c (alpha_return_addr): Remove unused variable `first'.
8786 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
8787 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
8789 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8791 * loop.c (strength_reduce): When placing increment for auto-inc
8792 case, do comparison in loop order.
8794 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
8796 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
8797 not a HOST_WIDE_INT.
8799 * calls.c (expand_call): Change test of expand_inline_function
8800 return value to stop compiler warning.
8802 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
8804 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
8805 Jeff Law (law@cygnus.com)
8807 * regmove.c: Fix various minor formatting problems.
8808 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
8809 is true. Make end of basic block tests consistent through regmove.c.
8810 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
8811 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
8813 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8815 * gansidecl.h: Check for a conflicting macro definition before
8816 attempting to prototype bcopy, bcmp or bzero.
8818 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
8820 * expr.c (clear_pending_stack_adjust): Handle case where a function
8821 calls alloca, but the user has specified -fomit-fframe-pointer.
8823 * function.c (assign_parms): Fix typo in last change.
8825 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
8827 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
8829 (free_path_suffix): Remove unreferenced static function.
8830 (process_command): Remove unused variable temp.
8831 (default_arg): Remove unused variable i.
8832 (do_spec_1): Add parens for assignment used as truth value.
8834 (validate_all_switches): Likewise.
8835 (main): Remove unused variables i, first_time>
8837 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
8839 * calls.c (expand_call): Remove unused variables funtree,
8840 n_regs, and tmpmode.
8842 * dbxout.c, except.c: Include <string.h>/<strings.h>.
8844 * explow.c: (plus_constant_for_output_wide) Removed unused
8845 variable all_constant.
8847 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
8848 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
8849 genrecog.c, global.c, integrate.c , stupid.c : Include
8852 * genextract.c: (walk_rtx) Remove unused variable link.
8854 * genrecog.c: (concat) Remove unreferenced static function.
8856 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
8858 * stmt.c: Include <stdlib.h>.
8859 (expand_asm_operands): Remove unused variable val1.
8860 (expand_return): Remove unused variable block.
8861 (pushcase): Remove unused variables l and n.
8862 (pushcaserange): Likewise.
8864 * unroll.c (unroll_loop): Remove unused variable temp.
8866 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
8868 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
8870 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8872 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
8873 functions for whether they support the %p format specifier.
8874 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
8875 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
8876 * configure, config.in: Rebuild.
8878 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
8880 * function.c (assign_parms): New variable named_arg, with value
8881 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
8883 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
8885 * mips/t-r3900: New - same as t-ecoff but eliminate
8886 multilibs: mips1 and mips3.
8887 * configure.in (tx39*): Use new mips/t-r3900.
8888 * configure: Rebuild.
8889 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
8891 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
8893 * dwarf2out.c: Add old_args_size.
8894 (dwarf2out_args_size): Use it.
8895 (dwarf2out_begin_prologue): Initialize it.
8896 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
8897 pushed args until we see a call.
8898 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
8899 before outputting them.
8901 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
8903 * cplus-dem.c (demangle_template_template_parm): New function.
8904 (demangle_template): Handle template template parameters.
8906 1998-02-02 Mark Mitchell <mmitchell@usa.net>
8908 * calls.c (expand_call): Don't confuse member functions named
8909 realloc, setjmp, and so forth with the standard library
8910 functions of the same names.
8912 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
8914 * stmt.c (expand_asm_operands): Correctly identify asm statements
8917 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8919 * c-common.c (decl_attributes): Flag unrecognized attribute
8920 functions as warnings instead of as errors.
8922 1998-02-05 Marc Lehmann <pcg@goof.com>
8924 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
8925 when -Os is specified.
8926 * toplev.c (main): Don't disable flag_inline_functions anymore when
8929 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8931 * regmove.c: Update.
8932 * flags.h (flag_regmove): Declare.
8933 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
8934 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
8935 Moved into regmove; changed caller.
8936 * toplev.c (rest_of_compilation): Call regmove_optimize also for
8937 expensive_optimizations.
8939 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
8941 * version.c: Bump for snapshot.
8943 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8944 Undo this change (the problem was actually in reload):
8945 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8947 * sh.md (movqi_i+1): New peephole.
8949 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
8951 * jump.c (jump_optimize): Lose calls to modified_in_p they are
8952 not needed anymore due to changes elsewhere in jump.c.
8954 * jump.c (jump_optimize): Fix first arg to modified_in_p in
8957 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
8959 * expr.c (expand_builtin_setjmp): Accept two new arguments for
8960 the labels to branch to on first and subsequent executions. Don't
8961 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
8962 and provide it with the jmp_buf. Use only one of
8963 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
8964 and provide the former with the target label.
8965 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
8966 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
8967 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
8968 insn to replace all of the normal nonlocal_goto code. Don't play
8969 with __dummy. Correct arguments to nonlocal_goto.
8970 * expr.h (expand_builtin_setjmp): Update prototype.
8971 * except.c (start_dynamic_handler): When using builtin_setjmp,
8972 generate more accurate flow information.
8974 * alpha.md (nonlocal_goto_receiver_osf): Delete.
8975 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
8976 (builtin_longjmp, builtin_setjmp_receiver): New.
8977 * sparc.md (update_return): Disambiguate unspec number.
8978 (nonlocal_goto): Rearrange arguments to match caller in except.c.
8979 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
8981 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
8982 (builtin_setjmp_setup*, builtin_longjmp): New.
8984 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
8986 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
8988 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
8990 * vmsconfig.com: Remove bytecode references.
8992 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8994 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
8995 -fno-sjlj-exceptions works for a target that defines
8996 DWARF2_UNWIND_INFO as zero.
8998 * regmove.c (fixup_match_1): Undo last change which removed some
8999 "useless" code, and add a comment explaining this.
9001 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
9003 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
9006 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
9008 * makefile.vms: Remove bytecode references.
9009 Create genrtl files.
9011 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
9013 * jump.c (jump_optimize): Allow conditional loading of floating point
9014 constants and constants from memory. Reinstalled modified_in_p tests.
9016 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9018 * loop.c (get_condition): Handle sign-extended constants.
9020 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
9022 * expr.c (emit_push_insn): Add code to use movstrti if present.
9024 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
9025 and movstrqi as in emit_block_move ().
9027 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
9029 * config/m68k/x-next: Remove /NextDeveloper/Headers from
9030 the directories to fixinclude - /usr/include is a link
9031 to it and hence its contents are fixed by default.
9033 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
9035 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
9037 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
9039 * cccp.c (main): Predefine __VMS_VER on VMS.
9041 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9043 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
9044 * fold-const.c (size_int): Replace with
9046 (make_bit_field_ref): Use bitsize_int for bit position.
9047 * stor-layout.c (sizetype): Delete.
9048 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
9049 (layout_record, layout_union, layout_type):
9050 Use bitsize_int for bit size.
9051 (set_sizetype): New function.
9052 (make_signed_type, make_unsigned_type): Use it.
9053 * c-decl.c (init_decl_processing): Likewise.
9054 * tree.h (size_int): Don't delcare, #define.
9055 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
9056 (set_sizetype): Declare.
9057 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
9059 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
9060 Convert result to sizetype.
9061 (really_start_incremental_init, push_init_level):
9062 Set type of constructor_bit_index to sbitsizetype.
9063 (push_init_level): Use unsigned arithmetic to determine padding.
9064 (output_init_element): Likewise.
9066 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
9068 * combine.c (simplify_shift_const): Fix typo in last change.
9070 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
9072 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
9073 is (truncate (lshiftrt)).
9075 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
9077 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
9078 Make sure result winds up in TGT.
9079 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
9080 src to be other than DImode.
9081 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
9082 (alpha_expand_unaligned_store_words): Likewise.
9083 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
9084 that source and destination are separately optimized for alignment.
9085 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
9087 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
9089 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
9090 with handling of -32768.
9092 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9094 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
9095 shell variable argument instead of only hard coded functions.
9096 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
9098 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
9099 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
9100 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
9101 declarations for bcopy, bcmp and bzero.
9103 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
9105 * gansidecl.h: If we have bcopy but don't declare it, then do so.
9106 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
9107 bzero, index and rindex if they aren't already present.
9109 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
9111 * toplev.c (close_dump_file): Wrap function prototype for
9112 argument "func" in PROTO.
9113 (dump_rtl): Likewise.
9115 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
9117 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
9119 (output_function_epilogue): Omit epilogue if nothing drops through.
9120 (output_move_double): Supress int ldd usage on ultrasparc and v9.
9121 (registers_ok_for_ldd_peep): Likewise.
9122 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
9123 (ultrasparc_adjust_cost): New function.
9124 (sparc_issue_rate): New function.
9125 * sparc.h (MASK_VIS, TARGET_VIS): New
9126 (MASK_V8PLUS, TARGET_V8PLUS): New.
9127 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
9128 (TARGET_SWITCHES): Add vis and v8plus.
9129 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
9130 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
9131 (RTX_COSTS): Use TARGET_HARD_MUL
9132 (ADJUST_COST): Call ultrasparc_adjust_cost.
9134 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
9135 of load & fp appropritely.
9136 (supersparc function units): Adjust for Haifa.
9137 (ultrasparc function units): Likewise.
9138 (get_pc_via_rdpc): All v9, not just arch64.
9139 (movdi_v8plus, movdi_v8plus+1): New.
9140 (adddi3_sp32+1): New.
9141 (subdi3_sp32+1): New.
9142 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
9143 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
9144 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
9145 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
9146 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
9147 (ldd peepholes): Suppress for v9.
9148 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
9149 (return_subsi): Revmove.
9151 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
9153 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
9154 save/restore MEM rtl.
9156 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
9158 * configure.in: Check for declaration of abort.
9159 * acconfig.h: Corresponding changes.
9160 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
9163 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
9165 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
9168 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
9170 * version.c: Bump for snapshot.
9172 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
9174 * configure.in: Check for atoq and atoll.
9175 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
9176 proper routine for converting ascii into long long values.
9178 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
9180 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
9182 * vmsconfig.com: Remove bytecode references.
9184 * alpha/vms.h (PREFIX): Define.
9186 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
9188 * am-alpha.h: Don't include alloca for OPEN_VMS.
9190 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
9192 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
9193 (GCC_INCLUDE_DIR): Define
9195 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
9196 * makefile.vms: New file.
9198 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
9200 * alpha.c (output_prolog): Output '.name' directive
9201 for minimal traceback information.
9203 * alpha.c (output_prolog): Don't prepend entry point symbols
9204 with '$' on OPEN_VMS.
9206 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
9207 Jeffrey A Law (law@cygnus.com)
9209 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
9212 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
9214 * genemit.c (gen_exp): Likewise.
9215 * genpeep.c (match_rtx): Likewise.
9216 * genrecog.c (write_tree_1): Likewise.
9218 * c-lex.c (yyprint): Use proper format string based upon
9219 disposition of HOST_BITS_PER_WIDE_INT.
9220 (yylex): Put casts in right place for args to build_int_2.
9222 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
9224 * combine.c: Fix typos in Jan27 changes.
9226 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
9228 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
9229 (LINK_SPEC): Likewise.
9230 (STARTFILE_SPEC): Likewise.
9232 1998-01-28 Mike Stump <mrs@wrs.com>
9234 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
9236 * genattrtab.c (reload_completed): Define.
9238 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
9241 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9243 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
9244 SUBREG_REG if the word count is unchanged, also in the input reload
9245 case. Disable non-applicable sanity checks.
9247 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
9249 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
9251 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
9253 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
9255 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
9257 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
9258 is a TREE_VEC before trying to use it for baseclasses.
9259 (Chill uses the same field for a different purpose.)
9261 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
9263 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
9265 * config.sub: More accurate determination of HP processor types.
9267 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9269 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
9270 prototype for `handle_sysv_pragma', and make it static. Add
9271 parentheses around assignment used as truth value.
9273 * combine.c (combine_instructions): Protect variable `prev' with
9275 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
9276 (extract_left_shift): Add parentheses around operand of &.
9277 (merge_outer_ops): Avoid an empty body in an else-statement.
9278 (gen_rtx_combine): Remove unused variable `i'.
9280 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
9281 function monstartup `void'. Likewise for internal_mcount. Add
9282 `static void' prototype for moncontrol. Reconcile sprintf format
9285 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
9286 Make return type of function_arg_slotno explicitly `int'.
9287 (reg_unused_after): Add parentheses around assignment used as
9289 (save_regs): Add explicit braces to avoid ambiguous `else'.
9290 (function_arg_slotno): Add parentheses around && within ||.
9291 (function_arg_pass_by_reference): Likewise.
9292 (sparc_flat_output_function_prologue): Reconcile fprintf format
9295 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
9296 assignment used as truth value.
9298 * cplus-dem.c: Include <stdlib.h>.
9299 (demangle_signature): Avoid an empty body in an else-statement.
9300 (do_type): Remove unused variable `lvl'.
9302 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
9303 Include <string.h>/<strings.h>.
9304 (cpp_lex): Remove unused variable `namelen'.
9305 (cpp_lex): Explicitly declare `num_chars' as an int.
9307 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
9308 <unistd.h> instead. Explicitly declare is_system_include
9310 (make_assertion): Remove unused variable `kt'.
9311 (cpp_expand_to_buffer): Hide variable `obuf'.
9312 (output_line_command): Remove unused variables, `line_end',
9313 `line_cmd_buf' and `len'.
9314 (macarg): Remove unused variable `arg_start'.
9315 (special_symbol): Remove unused variable `i'. Add parentheses
9316 around assignment used as truth value.
9317 (do_include): Remove unused variables `pcfname' and `retried',
9318 hide `pcf' and `pcfbuflimit'.
9319 (do_line): Remove unused variable `i'.
9320 (finclude): Hide variable `missing_newline'.
9321 (cpp_handle_options): Remove unused variable `j'.
9322 (read_token_list): Remove unused variable `eofp'.
9323 (cpp_error_with_line): Remove unused variable `i'.
9324 (cpp_warning_with_line): Likewise.
9325 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
9326 (cpp_error_from_errno): Remove unused variable `i'.
9328 * cse.c (invalidate): Add parentheses around assignment used as
9330 (find_best_addr): Move declaration of variable `our_cost' inside
9331 the conditional macro where its used.
9332 (fold_rtx): Avoid an empty body in an if-statement.
9333 (cse_insn): Wrap variables `this_insn_cc0_mode' and
9334 `this_insn_cc0' in macro HAVE_cc0.
9336 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
9337 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
9338 (output_uleb128): Likewise.
9339 (output_sleb128): Likewise.
9340 (output_cfi): Likewise.
9341 (output_call_frame_info): Remove unused variables `j', `fde_size'
9343 (comp_unit_has_inlines): Hide declaration as per rest of file.
9344 (size_of_line_prolog): Correct typo in prototype.
9345 (add_arange): Likewise.
9346 (output_aranges): Likewise.
9347 (add_name_and_src_coords_attributes): Likewise.
9348 (gen_array_type_die): Likewise.
9349 (gen_inlined_subroutine_die): Likewise.
9350 (equate_decl_number_to_die): Remove unused variable `i'.
9351 (print_die): Reconcile format vs. args in fprintf's.
9352 (print_dwarf_line_table): Likewise.
9353 (output_die): Likewise.
9354 (output_line_info): Likewise.
9355 (add_subscript_info): Avoid an empty body in an else-statement.
9356 (gen_subprogram_die): Remove unused variable `fp_loc'.
9358 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
9359 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
9360 macro. Protect `src_coords_attribute' prototype with
9361 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
9362 prototype as in the rest of the file. Likewise for
9363 `output_pointer_type_die' and `output_reference_type_die'. Remove
9364 prototype for `type_of_for_scope'.
9365 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
9366 (type_attribute): Add explicit braces to avoid ambiguous `else'.
9368 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
9369 (shorten_branches): Protect declaration of tmp_length with
9370 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
9371 (profile_function): Protect declaration of `sval' and `cxt'
9372 variables with appropriate macros.
9373 (final_scan_insn): Likewise for `note' variable. Add explicit
9374 braces to avoid empty body in an if-statement.
9375 (output_asm_insn): Move variable `i' inside macro conditional
9376 where it is used. Add parentheses around assignment used as truth
9378 (asm_fprintf) Likewise, likewise.
9380 * fix-header.c (main): Remove unused variable `done'. Protect
9381 declaration of `i' with FIXPROTO_IGNORE_LIST.
9383 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
9385 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
9388 * profile.c: Include <string.h>/<strings.h>.
9389 (instrument_arcs): Remove unused variables `note', `inverted',
9390 `zero' and `neg_one'.
9391 (branch_prob): Avoid empty body in an if-statement.
9393 * regclass.c: Include <stdlib.h>.
9394 (reg_alternate_class): Explicitly declare parameter `regno'.
9396 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
9397 parentheses around assignment used as truth value.
9398 (find_matches): Remove unused variables `output_operand' and
9400 (fixup_match_1): Remove statement with no effect: "if (0) ;".
9402 * scan.c (sstring_append): Explicitly declare `count' as int.
9403 (scan_string): Explicitly declare parameter `init' as int.
9405 * sched.c: Include <stdlib.h>.
9406 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
9407 (rank_for_schedule): Add parentheses around assignment used as
9409 (schedule_block): Likewise.
9410 (regno_use_in): Likewise.
9411 (schedule_insns): Remove unused variable `i'.
9413 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
9414 (v_message_with_decl): Remove unused variable `n'.
9415 (botch): Explicitly declare parameter `s' as char *.
9416 (main): Add parentheses around assignment used as truth value.
9418 * tree.c (make_node): Protect the variable `kind' with the
9419 GATHER_STATISTICS macro.
9420 (real_value_from_int_cst): Move variable `e' inside conditional
9421 macro area where it is used.
9422 (tree_last): Add parentheses around assignment used as truth value.
9423 (build1): Protect the variable `kind' with the GATHER_STATISTICS
9425 (print_obstack_statistics): Reconcile format vs. args in fprintf.
9426 Protect variables `i', `total_nodes', and `total_bytes' with the
9427 GATHER_STATISTICS macro.
9429 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
9431 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
9432 some comments regarding use of dead_or_set_p.
9434 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
9436 * fixincludes: Tweak fix for struct exception in math.h
9438 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
9440 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
9441 Change mode of registers used to add/sub from
9442 hard_frame_pointer_rtx from word_mode to Pmode.
9444 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
9446 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
9447 asm_output_aligned_bss() instead of asm_output_bss().
9449 * toplev.c (rest_of_compilation): Replace references to
9450 stack_reg_dump_file and dbr_sched_dump_file with references to
9453 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
9455 * tlink.c (scan_linker_output): Call fclose() for opened files.
9457 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
9459 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
9460 compiling with -fpic -- we want to be able to override symbols
9462 (alpha_expand_block_move): Fix thinko in last change.
9464 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
9465 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
9466 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
9468 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
9470 * alpha.md (abssf, absdf): Revert last change.
9472 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
9474 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
9475 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
9477 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
9479 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
9480 a CONST_INT into SFmode.
9482 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
9484 * flags.h: New flag (optimize_size).
9485 * toplev.c (main): Parse -Os option and set optimize_space
9487 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
9488 __OPTIMIZE_SIZE__ when compiling with -Os.
9489 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
9490 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
9491 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
9493 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
9495 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
9497 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
9498 stuff only if MCT_TEXT is #define'd.
9500 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
9502 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
9505 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
9507 * toplev.c: Add -dM command line option to dump RTL after the
9508 machine dependent reorganisation pass, if there is one.
9509 Reorganise RTL dump code, so that only one file handle is
9512 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
9514 * except.c (check_exception_handler_labels): Disable warning when
9517 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
9519 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
9521 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9523 * c-decl.c (grokdeclarator): Get parameter tags from
9524 last_function_parm_tags.
9525 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
9526 traversing the parameter types.
9527 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
9529 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
9531 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
9533 (get_shift_alg): Fix typo.
9535 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
9537 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
9539 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
9541 * toplev.c (get_run_time): Make sure each case gets its variables.
9543 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
9545 * configure.in (build_xm_file): Add auto-config.h if host=build.
9546 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
9547 (build_xm_file_list): Likewise.
9548 * configure: Rebuild.
9550 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
9552 * recog.c (validate_replace_rtx_1): Only perform substitutions
9553 of arguments to commutative and comparison operators once.
9555 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9557 * sparc.c (output_cbranch): Add default case in
9560 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
9561 (emit_delay_sequence): Eliminate unused parameter, all callers
9563 (fill_simple_delay_slots): Likewise.
9564 (fill_slots_from_thread): Likewise.
9565 (fill_eager_delay_slots): Likewise.
9566 (mark_referenced_resources): Add default case in enumeration switch.
9567 (mark_set_resources): Likewise.
9568 (rare_destination): Likewise.
9569 (mostly_true_jump): Likewise.
9570 (find_dead_or_set_registers): Likewise.
9571 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
9572 (update_reg_unused_notes): Remove unused variable `p'.
9573 (mark_target_live_regs): Remove unused variables `next' and
9575 (fill_simple_delay_slots): Remove unused variable `j'.
9576 (fill_slots_from_thread): Add parentheses around assignment used
9578 (dbr_schedule): Likewise.
9580 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
9581 (objc.stage2, objc.stage3, objc.stage4): Likewise.
9583 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
9585 * cse.c (simplify_ternary_operation): Don't try to simplify
9586 IF_THEN_ELSE expressions (created by combine) that don't use
9587 relational operators.
9589 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
9591 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
9594 * crtstuff.c (init_dummy): Keep the epilogue in the init
9595 section for non-ELF systems.
9597 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9599 * sh.md (movqi_i+1): New peephole.
9601 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
9603 * Makefile.in: Remove remaining bytecode stuff.
9604 * emit-rtl.c, expr.c: Likewise.
9606 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
9608 * toplev.c (lang_options): Add unknown-pragma options.
9610 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
9612 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
9613 special (and incomplete) handling for Chill arrays.
9615 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
9617 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
9620 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
9622 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
9624 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
9626 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
9627 .frame directive instead of FRAME_POINTER_REGNUM.
9629 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
9631 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
9632 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
9633 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
9634 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
9635 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
9636 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
9637 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
9638 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
9640 * longlong.h: Replace __mc68332__ with __mcpu32__.
9642 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
9644 * version.c: Bump for snapshot.
9646 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
9648 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
9649 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
9650 * reload1.c (eliminate_regs): Likewise.
9652 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
9654 * regmove.c (find_matches): Initialize matches->earlyclobber too.
9656 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
9658 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
9659 (negsf2, negdf2): Use proper subtract in IEEE mode.
9661 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
9663 * Makefile.in: Remove more bytecode stuff.
9664 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
9665 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
9666 * f/install.texi, objc/Make-lang.in: Likewise.
9668 * Makefile.in: Remove all bytecode support.
9669 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
9670 * emit-rtl.c: Remove all bytecode support.
9671 * expr.c, expr.h function.c, integrate.c: Likewise.
9672 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
9673 * tree.h, varasm.c: Likewise.
9674 * config/m68k/m68k.h: Likewise.
9675 * bi-*, bc-*, bytecode*: Delete bytecode related files.
9676 * modemap.def: Likewise.
9678 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
9680 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
9681 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
9683 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
9685 * i386.md (push): Prohibit symbolic constants if flag_pic.
9686 (movsi+1): Likewise for move to non-register.
9688 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
9690 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
9691 (print_operand): Handle 0xffffffff on 32 bit host.
9693 * configure.in (thread_file): Rename uses before main loop to
9694 target_thread_file. Initialize to empty in main loop. Set thread_file
9695 to target_thread_file after main loop if not set.
9696 * configure: Rebuild.
9698 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
9699 (add_values_to_cover): Revert last change (which had no ChangeLog
9701 (simplify_with_current_value_aux): Handle CONST_INT.
9703 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9705 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
9707 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
9709 * configure.in: Add cpp stringify test.
9710 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
9711 * gengenrtl.c: Use it.
9712 * configure, config.in: Rebuild.
9714 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9716 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
9718 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
9720 * configure.in: Find declaration for sbrk.
9721 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
9722 * config.in, configure: Rebuild.
9723 * mips-tfile.c: Properly protect declaration of sbrk and free.
9724 * toplev.c: Properly protect declaration of sbrk.
9726 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
9728 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
9730 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
9732 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
9734 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
9736 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
9738 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
9740 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
9741 constant offset computations from objects with known alignment in
9742 the presence of STACK_BIAS.
9744 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
9746 (const_hash): Hash val is unsigned long.
9747 (SYMHASH): Likewise.
9749 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
9751 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
9752 char pointer, not HOST_WIDE_INT.
9753 (print_node): Likewise. Also hash is unsigned long not
9756 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
9758 * explow.c (optimize_save_area_alloca): New function for targets
9759 where SETJMP_VIA_SAVE_AREA is true.
9760 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
9761 compute the amount of stack space needed should we find later that
9762 setjmp is never called by this function, stuff rtl for this inside
9763 a REG_NOTE of the final SET of stack_pointer_rtx.
9764 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
9765 current_function_calls_alloca, call optimize_save_area_alloca.
9767 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
9769 * i386.md: Remove redundant integer push patterns.
9770 Don't bother checking for TARGET_PUSH_MEMORY when
9771 pushing constants or registers.
9773 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
9774 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
9776 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
9777 (pwait): New function for mingw32.
9779 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
9780 pipe support is broken for now.
9782 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
9784 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
9785 between frame_pointer_rtx, hard_frame_pointer_rtx, and
9786 arg_pointer_rtx is respected in initialization.
9787 (init_emit_once): Use gen_rtx_raw_REG() to create
9788 return_address_pointer_rtx.
9790 * reorg.c: #include "expr.h" for rtx prototypes.
9791 * Makefile.in (reorg.o): Depend on expr.h
9793 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
9795 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
9796 local_prefix to sub-make invocations.
9798 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
9800 * objc-parse.c: Recognize protocol qualifiers in class definitions.
9802 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
9806 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
9807 * configure.in: Check for atol.
9808 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
9810 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
9812 * loop.c (find_and_verify_loops): When attempting to move insns from
9813 inside the loop outside the loop, create a BARRIER if no suitable
9816 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
9817 favor of an equivalent change from gcc-2.8.
9819 * i386/x-sco5 (CC): Remove trailing whitespace.
9821 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9823 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
9824 (accessor_from_format): Likewise.
9825 (xmalloc): New function for use when linking with alloca.o.
9827 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
9829 * frame.c (find_fde): Correct FDE's upper bound.
9831 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
9833 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
9835 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
9837 * calls.c (expand_call): Move #ifdef code out of macro argument
9839 (emit_library_call, emit_library_call_value): Likewise.
9841 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
9843 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
9845 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
9847 * version.c: Bump for snapshot.
9849 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
9851 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
9852 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
9853 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
9854 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
9855 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
9856 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
9857 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
9858 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
9859 * unroll.c, varasm.c: Likewise.
9860 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
9862 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
9864 * mips.h: Fix some type-o's from a previous change.
9866 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
9868 * loop.c (check_dbra_loop): Make sure initial value is a
9869 CONST_INT before trying to normalize it.
9871 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
9873 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
9875 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
9877 * cppexp.c: Include gansidecl.h
9879 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
9881 * svr4.h (LINK_SPEC): Never specify -h.
9882 * ptx4.h (LINK_SPEC): Likewise.
9883 * rs6000/sysv4.h (LINK_SPEC): Likewise.
9884 * sparc/sol2.h (LINK_SPEC): Likewise.
9886 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
9888 * c-typeck.c (comptypes): Exit early on NULL input.
9890 * haifa-sched.c (schedule_insns): Correctly remove inter-block
9891 dependencies after reload.
9893 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
9895 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
9897 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
9899 * alpha/vms.h (DIR_SEPARATOR): define
9901 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
9903 * Makefile.in (stamp-proto): Remove.
9904 (protoize.o, unprotoize.o): Straightforward compile.
9905 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
9907 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
9909 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
9910 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
9912 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
9914 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
9915 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
9916 * sparc/netbsd.h, vax/netbsd.h: Likewise.
9918 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
9920 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
9922 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
9924 * configure.in (target_cpu_default, target_cpu_default2): Use double
9925 quotes around them when testing their value.
9926 * configure: Rebuilt.
9928 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
9930 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
9932 (gendef): Call obstack_alloc_rtx.
9934 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
9936 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
9939 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
9941 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
9942 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
9943 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
9945 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
9947 * mips.md (return_internal): Change mode from SImode to VOIDmode.
9949 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
9951 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
9954 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
9956 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
9957 suffix from operand 3.
9959 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9960 Jeffrey A Law (law@cygnus.com)
9962 * regmove.c: New implementation of regmove pass.
9963 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
9964 decls, make them have external linkage. Return a value from
9965 optimize_reg_copy_1.
9966 * reload.h (count_occurrences): Add decl.
9967 * reload1.c (count_occurrences): Delete decl, make it have external
9969 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
9971 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
9973 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
9974 if it is not defined.
9976 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
9978 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
9979 * emit-rtl.c (gen_rtx): Move special code to ...
9980 (gen_rtx_CONST_INT): New function.
9981 (gen_rtx_REG): New function.
9982 (*): Update all calls to gen_rtx.
9983 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
9984 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
9985 (GEN_INT): Call gen_rtx_CONST_INT.
9986 * gengenrtl.c: New file.
9988 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
9990 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
9991 (base_alias_check): If no base found for address call canon_rtx and
9994 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
9996 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
9997 arguments for mips16.
9998 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
9999 Don't lose if tsize is zero after handling large stack for mips16.
10000 * mips.md (return): For trivial return, return address is in $31.
10002 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
10004 * mips/mips16.S: Various changes to make it work with -msingle-float
10007 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
10008 Ian Lance Taylor <ian@cygnus.com>
10009 Jeff Law <law@cygnus.com>
10011 * mips.c, mips.h, mips.md: First cut at merging in mips16
10012 support. Major modifications throughout all three files.
10014 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
10016 * configure.in: Make gthr-default.h a forwarding header instead of
10019 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10021 * gcov-io.h: Include sys/types.h to ensure we get size_t.
10023 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
10025 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
10026 Jeffrey A Law (law@cygnus.com)
10028 * crtstuff.c (__frame_dummy): New function for irix6.
10029 (__do_global_ctors): Call __frame_dummy for irix6.
10030 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
10032 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
10034 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
10036 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
10038 * c-decl.c (init_decl_processing): Provide proper fallback symbol
10039 for __builtin_memset.
10040 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
10041 not INTEGER_CST. Assert arg 3 is a constant.
10043 * alpha.c (mode_width_operand): Accept 64-bit modes.
10044 (mode_mask_operand): Likewise.
10045 (print_operand): Likewise for 'M' and 'U' codes.
10046 (alpha_expand_unaligned_load): New function.
10047 (alpha_expand_unaligned_store): Likewise.
10048 (alpha_expand_unaligned_load_words): Likewise.
10049 (alpha_expand_unaligned_store_words): Likewise.
10050 (alpha_expand_block_move): Likewise.
10051 (alpha_expand_block_clear): Likewise.
10052 * alpha.h (MOVE_RATIO): New define.
10053 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
10054 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
10056 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
10057 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
10059 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
10061 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
10062 * configure: Update.
10064 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
10066 * emit-rtl.c (operand_subword): Correctly handle extracting a word
10067 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
10069 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
10070 for first argument.
10072 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
10074 * configure.in: Set and subsitute host_exeext. Use it when creating
10075 the assembler and linker symlinks.
10076 * configure: Rebuild.
10077 * Makefile.in (exeext): Set to @host_exeext@.
10078 (build_exeext): New variable, set to @build_exeext@.
10079 (FLAGS_TO_PASS): Pass down build_exeext.
10080 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
10083 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
10085 * mn10200.md (addsi3, subsi3): Fix thinkos.
10087 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
10089 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
10090 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
10091 unix always, since we want to be able to thunk to functions in a
10092 shared library from an application.
10094 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
10096 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
10097 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
10099 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
10101 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
10102 offset's mode is not ptr_mode, convert it.
10104 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
10106 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
10107 compiling if it was already defined.
10109 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
10111 * flow.c (find_basic_blocks): Don't create a new basic block
10112 for calls in a LIBCALL block.
10114 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
10116 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
10118 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
10120 * cse.c (rtx_cost): Remove conflicting default case.
10122 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
10124 * configure.in: Move default enabling of Haifa out of for loop.
10125 * configure: Rebuild.
10127 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
10129 * version.c: Bump for snapshot.
10131 1997-12-25 Teemu Torma <tot@trema.com>
10133 * Makefile.in (GTHREAD_FLAGS): New var.
10134 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
10135 (distclean): Remove gthr-default.h.
10137 * configure.in: Accept dce as a thread package.
10138 Check for thread.h and pthread.h.
10139 Link gthr-default.h to appropriate thread file and set
10141 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
10142 include multilib definitions from pa/t-dce-thr.
10143 (sparc-*-solaris2*): Enable threads by default, if thread.h or
10144 pthread.h is found, preferring posix threads over solaris ones.
10146 * config/pa/t-dce-thr: New file.
10147 * config/pa/t-pa: Removed multilibs.
10148 * config/sparc/t-sol2: Ditto.
10150 * gthr.h: New file.
10151 * gthr-single.h: New file.
10152 * gthr-posix.h: New file.
10153 * gthr-solaris.h: New file.
10154 * gthr-dce.h: New file.
10155 * libgcc-thr.h: Removed.
10156 * objc/thr-dce.c: New file copied from thr-decosf1.c.
10158 * frame.c: Include gthr.h instead of libgcc-thr.h.
10159 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
10160 (eh_context_initialize): If __gthread_once fails, use static eh
10162 (eh_context_free): Call __gthread_key_dtor.
10164 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
10166 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
10168 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
10170 * cse.c (max_insn_uid): New variable.
10171 (cse_around_loop): Use max_insn_uid.
10172 (cse_main): Set max_insn_uid.
10174 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
10175 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
10176 -mlong64, and -mgp{32,64} options.
10177 * mips.c (mips_abi): Change type to int.
10178 * mips.h (enum mips_abi_type): Delete.
10179 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
10180 (mips_abi): Change type to int.
10182 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
10184 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
10185 optimization is now always enabled.
10187 * calls.c (expand_call): Recognize C++ operator new as malloc-like
10190 * alias.c (memrefs_conflict_p): Eliminate tests now done by
10192 (*_dependence): Call canon_rtx before base_alias_check.
10193 (init_alias_once): New function to precompute set of registers which
10194 can hold Pmode function arguments.
10196 * rtl.h: Declare init_alias_once.
10198 * toplev.c (compile_file): Call init_alias_once.
10200 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
10202 * tree.c (restore_tree_status): Do not dereference a null pointer.
10204 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
10206 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
10207 RLIMIT_STACK. This maintains consistency with the recent, similar
10208 patch to cccp.c and toplev.c.
10210 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
10212 * genattrtab.c (expand_units): For large nr opclasses, expand
10213 function_units_used with ORX to prevent blowups. Tag with FFS.
10214 (num_unit_opclasses): New variable.
10215 (gen_unit): Update it.
10216 (enum operator): Add ORX_OP.
10217 (operate_exp): Treat ORX as or, except don't expand across an if.
10218 Reuse number rtx's after operating on them.
10219 (check_attr_value): Accept IOR, AND, & FFS.
10220 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
10221 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
10222 (write_expr_attr_cache, write_toplevel_expr): New functions.
10223 (write_attr_get): Handle FFS-tagged expressions.
10224 (make_canonical): Don't expand const attributes.
10225 (convert_const_symbol_ref): Dike out.
10226 (evaluate_eq_attr): Handle SYMBOL_REF.
10227 (main): Don't emit get_attr_foo for const attributes.
10229 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
10230 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
10231 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
10232 * alpha.md: Redo all of the scheduling, adding EV6 support, and
10233 combining function units where possible.
10234 (attr "type"): Split loads, stores, cmov into int/fp. Combine
10235 multiplies and divides. Add EV6 sqrt, ftoi, itof.
10236 (attr "opsize"): New attribute.
10237 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
10238 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
10239 to control register allocation.
10240 (movsi2-1, movdi2-1): Likewise.
10242 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
10244 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
10245 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
10246 Move OSF/1 specific defines out.
10247 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
10248 Move Linux specific defines out.
10249 (LINK_SPEC): Genericize.
10250 (ASM_FILE_START): Emit .arch if using more than the base insn set.
10251 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
10252 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
10253 (HANDLE_SYSV_PRAGMA): Define.
10254 * alpha/osf.h: New file.
10255 * alpha/linux.h: Split. Retain file-format independant defines.
10256 Import Linux bits from elf.h.
10257 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
10258 (FUNCTION_PROFILER): _mcount takes its address in $28.
10259 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
10260 * alpha/linux-ecoff.h: New file.
10261 * alpha/linux-elf.h: New file.
10262 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
10263 * alpha/win-nt.h (TARGET_DEFAULT): Define.
10264 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
10265 Add new headers as appropriate.
10267 * configure.in (alpha*): Enable Haifa by default.
10268 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
10269 * configure: Rebuild.
10271 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
10273 * Makefile.in (clean): Remove the stages with their objects here ...
10274 (distclean): ... instead of here.
10276 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10278 * cse.c (rtx_cost): Add default case in enumeration switch.
10279 * fix-header.c (recognized_macro): Likewise.
10280 (recognized_extern): Likewise.
10281 (write_rbrac): Likewise.
10282 * objc/objc-act.c (encode_aggregate): Likewise.
10283 (gen_declarator): Likewise.
10284 (gen_declspecs): Likewise.
10286 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
10288 * haifa-sched.c (create_reg_dead_note): Detect and handle another
10289 case where we kill more regs after sched than were killed before
10291 * sched.c (create_reg_dead_note): Similarly.
10293 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
10295 * c-pragma.c: Include flags.h.
10297 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
10299 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
10300 about system headers.
10301 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
10302 and also to resolve symbols in prefix.c.
10304 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
10305 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
10306 when the definitions in auto-config.h is not visible.
10307 (HAVE_BZERO): Likewise.
10308 (HAVE_BCMP): Likewise.
10309 (HAVE_RINDEX): Likewise.
10310 (HAVE_INDEX): Likewise.
10312 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
10314 * pa.c (emit_move_sequence): Handle a function label source
10317 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
10319 * c-pragma.c (handle_pragma_token): Generate warning messages
10320 about unknown pragmas if warn_unknown_pragmas is set.
10322 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
10323 line option to set variable: warn_unknown_pragmas.
10325 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
10327 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
10329 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
10331 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
10333 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
10334 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
10335 generate more fine grained floating point emulation libraries.
10336 * config/fp-bit.c: Add protecting #ifdef to all functions so
10337 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
10338 then compile all suitable functions.
10339 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
10340 underscores to avoid namespace pollution.
10341 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
10343 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
10347 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10348 Jeff Law <law@cygnus.com>
10350 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
10351 of the declaration.
10352 * c-decl.c (finish_decl): Use parentheses around && within ||.
10353 * rtl.c: Include stdlib.h.
10354 (read_skip_spaces): Add parentheses around assignments used as
10356 (read_rtx): Initialize list_rtx.
10357 * cppexp.c (parse_number): Use || when operands are truth values.
10358 * alias.c (find_base_value): Add default case.
10359 (memrefs_conflict): Likewise.
10360 * combine.c (sets_function_arg_p): Likewise.
10361 * genemit.c (gen_exp): Likewise.
10362 * local-alloc.c (contains_replace_regs): Likewise.
10363 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
10364 * fold-const.c (fold_convert): Use "&&" for truth values.
10365 (fold): Add default case.
10366 * sdbout.c (sdbout_field_types): Fix typo in declaration.
10367 (sdbout_one_type): Add default case.
10368 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
10369 (some_operand): Add default case.
10370 (input_operand): Likewise.
10371 (signed_comparison_operator): Likewise.
10372 (divmod_operator): Likewise.
10373 (alpha_set_memflags_1): Likewise.
10374 * reload1.c (reload_cse_simplify_operands): Ensure function
10375 always returns a value.
10376 * scan-decls.c (scan_decls): Likewise.
10377 * c-lex.c (skip_white_space): Fix typo in declaraion.
10378 * c-typeck.c (comp_target_types): Add parentheses around assignment
10379 used as truth value.
10380 (print_spelling): Likewise.
10381 (constructor_implicit, constructor_result): Remove unused variables.
10382 * collect2.c (scan_library): Protect prototype with
10383 #ifdef SCAN_LIBRARIES.
10384 * emit-rtl.c (find_line_note): Fix typo in declaration.
10385 * final.c (asm_insn_count): Protect prototype with
10386 #ifdef HAVE_ATTR_length.
10387 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
10388 (try_pre_increment_1, try_pre_increment): Likewise.
10389 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
10390 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
10391 * gcov-io.h (__store_long, __write_long, __read_long): Fix
10392 unsigned/signed comparisons.
10393 * gcov.c (read_files): Remove unused "first_type" variable.
10394 (scan _for_source_files): Initialize s_ptr.
10395 (function_summary): Eliminate "%lf" formatting, use %ld for
10397 (output_data): Initialize branch_probs and last_line_num.
10398 Eliminate "%lf" formatting, use "%ld" for longs.
10400 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
10402 * mips16.S: New file.
10404 * libgcc2.c (varargs): Handle mips16.
10406 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
10408 * stmt.c (expand_end_case): Likewise.
10409 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
10410 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
10411 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
10413 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10415 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
10416 the build directory.
10417 (libobjc.a): Update dependency list.
10418 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
10420 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
10421 (objc.mostlyclean): Remove runtime-info.h.
10423 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
10425 * tree.c (build_range_type): Allow creation of ranges with no maximum.
10426 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
10427 * dwarf2out.c (add_subscript_info): Likewise.
10428 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
10429 * sdbout.c (plain_type_1): Likewise.
10430 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
10432 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
10435 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10437 * mips.c (fatal): Remove declaration.
10439 1997-12-18 Mark Mitchell <mmitchell@usa.net>
10441 * integrate.c (get_label_from_map): New function.
10442 (expand_inline_function): Use it. Initialize the label_map to
10443 NULL_RTX instead of gen_label_rtx.
10444 (copy_rtx_and_substitute): Use get_label_from_map.
10445 * integrate.h (get_label_from_map): New function.
10446 (set_label_from_map): New macro.
10447 * unroll.c (unroll_loop): Use them.
10448 (copy_loop_body): Ditto.
10450 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
10452 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
10453 (INIT_TARGET_OPTABS): Define.
10454 * mips/ecoff.h: Include gofast.h before mips.h.
10455 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
10456 * mips/elf64.h: Likewise.
10457 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
10459 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
10461 * except.c: Remove register_exception_table{,_p}.
10463 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
10465 * unroll.c (calculate_giv_inc): Handle constant increment found in
10466 a MEM with an appropriate REG_EQUAL note.
10468 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
10470 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
10471 frame pointer in the prologue.
10473 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
10475 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
10476 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
10478 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
10480 * config/m68k/m68k.c (output_function_prologue): Typecast
10481 dwarf2out_cfi_label to (char *).
10482 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
10484 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
10486 * sparc.md (jump): Don't use the annul bit around an empty loop.
10487 Patch from Kevin.Kelly@East.Sun.COM.
10489 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
10491 * jump.c: (jump_optimize): Don't use the return register as a
10492 source1 of a conditional move.
10494 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
10496 * sparc.c (DF_MODES): Or the mask not the bit number.
10497 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
10499 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
10501 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
10503 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
10505 * fixincludes (size_t): Add support for Motorola's stdlib.h
10506 which fails to provide a definition for size_t.
10507 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
10508 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
10509 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
10511 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
10512 prevent unresolved externals in libio.
10513 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
10515 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
10517 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
10518 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
10519 (LIB_SPEC): Updated for glibc 2.
10521 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
10523 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
10524 * ginclude/varargs.h: Likewise.
10526 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
10528 * version.c: Bump for snapshot.
10530 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
10532 * frame.h (__register_frame, __register_frame_table,
10533 __deregister_frame): New.
10534 * frame.c (__register_frame, __register_frame_table,
10535 __deregister_frame): New.
10536 * frame.c (__deregister_frame_info): Return void *.
10537 * frame.h (__deregister_frame_info): Ditto.
10538 * collect2.c (__deregister_frame_info): Ditto.
10540 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
10542 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
10544 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
10546 * alpha.c (alpha_cpu_name): New variable.
10547 (alpha_mlat_string): Likewise.
10548 (alpha_memory_latency): Likewise.
10549 (override_options): Handle -mmemory-latency.
10550 (alpha_adjust_cost): Adjust load cost for latency.
10551 * alpha.h (TARGET_OPTIONS): Add meory-latency.
10552 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
10553 TARGET_CIX into account.
10554 (MEMORY_MOVE_COST): Define in terms of memory_latency.
10555 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
10557 * alpha.h (ASM_COMMENT_START): New macro.
10559 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
10561 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
10562 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
10564 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
10565 SUBREG_REG if the word count is unchanged.
10566 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
10567 subregs of identical word size for push_reload.
10569 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
10571 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
10572 if all we're doing is dealing with -Wreturn-type.
10574 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
10576 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
10577 Use and 255 instead of zapnot 1, since it schedules better.
10579 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
10581 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
10584 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
10586 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
10587 dependency we delete. Properly update prev for multiple consecutive
10589 (priority): Skip deleted dependence.
10591 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
10593 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
10595 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
10597 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
10598 determining when a new basic block starts.
10600 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
10602 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
10603 * pa.md (iorsi3): Add missing args to *_operand calls.
10605 * except.c (call_get_eh_context): Don't mess with sequences.
10606 (emit_eh_context): Include the call in the sequence here.
10608 1997-12-11 Paul Eggert <eggert@twinsun.com>
10610 * collect2.c (write_c_file_glob): Allocate initial frame object
10611 in static storage and pass its address.
10613 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
10615 * except.c (call_get_eh_context): Don't take a parm.
10616 Put the call at the top of the function.
10617 (emit_eh_context): Adjust.
10618 (get_eh_context): Replace with former use_eh_context.
10619 (get_eh_context_once, get_saved_pc_ref): Remove.
10620 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
10621 * except.h: Adjust.
10622 * integrate.c (expand_inline_function): Adjust.
10623 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
10625 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
10627 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
10628 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
10630 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
10632 * fixincludes (strlen,strspn,strcspn return value): Handle different
10634 (hypot): Provide a fake for hypot which is broken on
10635 m88k-motorola-sysv3.
10637 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
10639 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
10640 tree_code_name from pointers to arrays.
10641 * tree.c: Remove standard_tree_code_* variables, no longer used.
10642 * print-tree.c: Remove declaration of tree_code_name.
10644 * cp/lex.c (init_lex): Update for tree_code_* changes.
10645 * objc/objc-act.c (init_objc): Likewise.
10647 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
10650 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
10652 * config.sub: Add support for BeOS target.
10653 * configure.in: Likewise.
10654 * ginclude/stdarg.h: Likewise.
10655 * ginclude/stddef.h: Likewise.
10656 * ginclude/varargs.h: Likewise.
10657 * rs6000/beos.h: New file for BeOS.
10658 * rs6000/t-beos: Likewise.
10659 * rs6000/x-beos: Likewise.
10660 * rs6000/xm-beos.h: Likewise.
10661 * toplev.c (get_run_time): Just return 0 on BeOS.
10663 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
10664 Toon Moene (toon@moene.indiv.nluug.nl)
10666 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
10667 old and broken Sun3 assemblers. Newer versions handle large
10668 offsets correctly as does the GNU assembler.
10670 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10672 * objc/objc-act.c (lang_report_error_function): Disable.
10673 * objc/objc-parse.y: Include "output.h".
10674 (yyerror): Remove redundant decl.
10675 (yyprint): Fix prototype.
10676 (apply_args_register_offset): Remove redundant decl.
10677 (get_file_function_name): Likewise.
10679 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
10681 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
10683 (find_basic_blocks_1): Likewise.
10685 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
10687 * except.c (use_eh_context): Don't copy_rtx a REG.
10688 (emit_throw): Lose old unwinder support.
10689 (expand_internal_throw): Likewise.
10690 * libgcc2.c (struct eh_context): Likewise.
10691 (new_eh_context): Likewise.
10692 (__get_eh_info): Lose redundant cast.
10693 (__get_dynamic_handler_chain): Likewise.
10694 (__get_saved_pc): Lose.
10695 Lose all old unwinder support code.
10697 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
10699 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
10701 * integrate.c (expand_inline_function): If the inline fn uses eh
10702 context, make sure that the current fn has one.
10703 * toplev.c (rest_of_compilation): Call emit_eh_context.
10704 * except.c (use_eh_context): New fn.
10705 (get_eh_context_once): New fn.
10706 (call_get_eh_context): New fn.
10707 (emit_eh_context): New fn.
10708 (get_eh_context): Call either get_eh_context_once or
10709 call_get_eh_context, depending on what we have.
10710 (get_dynamic_handler_chain): Call get_eh_context_once.
10711 * except.h: Prototypes for fns above.
10712 * optabs.c (get_eh_context_libfunc): Removed.
10713 (init_optabs): Don't initialize it.
10714 * expr.h (get_eh_context_libfunc): Removed.
10715 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
10716 * config/pa/pa.h (CPP_SPEC): Support for -threads.
10717 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
10718 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
10719 New multilib for -threads.
10720 * config/sparc/t-sol2: Added multilibs for -threads and
10721 made -pthreads alias to it.
10722 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
10723 Added -threads and -pthreads options.
10724 * libgcc-thr.h: New file.
10725 * libgcc2.c: (__get_cpp_eh_context): Removed.
10726 (struct cpp_eh_context): Removed.
10727 (struct eh_context): Replaced cpp_eh_context with generic language
10729 (__get_eh_info): New function.
10730 (__throw): Check eh_context::info.
10731 (__sjthrow): Ditto.
10732 * libgcc2.c: Include libgcc-thr.h.
10733 (new_eh_context, __get_eh_context,
10734 eh_pthread_initialize, eh_context_initialize, eh_context_static,
10735 eh_context_specific, eh_context_free): New functions.
10736 (get_eh_context, eh_context_key): New variables.
10737 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
10738 get_eh_context to get the context.
10739 (longjmp): Move the declaration inside
10740 #ifdef DONT_USE_BUILTIN_SETJMP.
10741 * frame.c: Include libgcc-thr.h.
10742 (object_mutex): Mutex to protect the object list.
10743 (find_fde, __register_frame, __register_frame_table,
10744 __deregister_frame): Hold the lock while accessing objects.
10745 * except.h (get_eh_context): Declare.
10746 * except.c (current_function_ehc): Define.
10747 (current_function_dhc, current_function_dcc): Removed.
10748 (get_eh_context): New function.
10749 (get_dynamic_handler_chain): Use get_eh_context.
10750 (get_saved_pc_ref): Ditto.
10751 (get_dynamic_cleanup_chain): Removed references to
10752 current_function_dcc.
10753 (save_eh_status, restore_eh_status): Save and restore
10754 current_function_ehc instead.
10755 * optabs.c (get_eh_context_libfunc): New variable.
10756 (init_optabs): Initialize it.
10757 * expr.h: Declare get_eh_context_libfunc.
10758 * function.h (struct function): Replaced dhc and dcc with ehc.
10759 * except.c (get_saved_pc_ref): New functions.
10760 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
10761 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
10763 (end_eh_unwinder): Likewise.
10764 (init_eh): Remove initialization of eh_saved_pc.
10765 * optabs.c (get_saved_pc_libfunc): New variable.
10766 (init_optabs): Initialize it.
10767 * expr.h: Declare get_saved_pc_libfunc.
10768 * except.h (eh_saved_pc_rtx): Deleted.
10769 (get_saved_pc_ref): Declared.
10771 From Scott Snyder <snyder@d0sgif.fnal.gov>:
10772 * libgcc2.c (__get_saved_pc): New.
10773 (__eh_type, __eh_pc): Deleted.
10774 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
10775 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
10778 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
10780 * sparc/sol2.h: Use 64 bit multiply and divide functions in
10781 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
10784 * rtl.h (global_rtl): New variable, replacing separate variables for
10786 (const_int_rtx): Now array of rtx_def, not rtx.
10787 * emit-rtl.c: Update for new rtl data structures.
10788 * genattrtab.c: Define global_rtl.
10790 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
10792 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
10795 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
10797 * crtstuff.c (__do_global_ctors): Fix typo.
10799 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
10801 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
10802 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
10804 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
10806 * rs6000.h (FUNCTION_ARG_PADDING): Define.
10807 * rs6000.c (function_arg_padding): New function.
10809 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
10811 * m68k.c: Include tree.h only once.
10813 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10815 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
10817 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
10819 * Partially cleaned up prototyping code from HJ.
10820 * tree.h: Add many prototypes.
10821 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
10822 All references changed.
10823 * rtl.h: Protect from multiple inclusions. Add many prototypes.
10825 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
10827 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
10828 string functions like strlen.
10830 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
10832 * configure.in: Check for functions getrlimit and setrlimit.
10833 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
10834 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
10836 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
10838 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
10840 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
10842 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
10843 Fix merge problems.
10845 * alpha.c (override_options): Don't know about scheduling for EV6.
10846 * alpha.md (ev5 function units): Don't overload as ev6.
10848 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
10849 * alpha.md (define_attr type): Add mvi.
10850 (ev5_e0): Define sceduling parameters for it.
10851 (TARGET_MAX insns): Type is mvi not shift.
10853 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
10855 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
10857 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10859 * cstamp-h, auto-config.h: Delete.
10861 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
10863 * version.c: Bump for snapshot.
10865 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
10867 * cccp.c: Fix typo brought over in merge.
10869 * Merge in changes from gcc-2.8.
10871 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
10873 * m68k.c: Include tree.h for dwarf2out_cfi_label.
10875 * gcc.c (process_command): Do not take address of function fatal when
10876 calling lang_specific_driver.
10878 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
10880 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
10881 doesn't work with it yet, so set it to 0.
10882 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
10884 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
10886 * cse.c (cse_insn): Check for invalid entries when taking references.
10888 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10890 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
10891 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
10892 * toplev.c (rest_of_compilation): Pass it. Remove code to
10893 save / clear / restore flag_unroll_{,all_}loops.
10895 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
10897 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
10899 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
10901 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
10903 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
10905 * except.c (get_dynamic_handler_chain): Only make the call once per
10908 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
10910 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10912 * sh.c (final_prescan_insn): Use local label prefix
10913 when emitting .uses pseudo-ops.
10915 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
10917 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
10918 * except.c: Lose outer_context_label_stack.
10919 (expand_eh_region_end): Rethrow from outer_context here.
10920 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
10921 (expand_internal_throw): Take no args.
10922 (expand_internal_throw_indirect): Lose.
10923 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
10924 (expand_start_all_catch): Start a rethrow region.
10925 (expand_end_all_catch): End it.
10926 (expand_rethrow): New fn.
10927 * except.h: Reflect above changes.
10928 * flow.c: Revert change of Nov 27.
10930 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
10932 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
10934 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
10936 * except.c (expand_fixup_region_end): New fn.
10937 (expand_fixup_region_start): Likewise.
10938 (expand_eh_region_start_tree): Store cleanup into finalization here.
10939 * stmt.c (expand_cleanups): Use them to protect fixups.
10941 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
10943 * mips/mips.md (muldi3_r4000): Broaden the output template
10944 and attribute assignments to handle three operand dmult;
10945 rename to muldi3_internal2.
10946 (muldi3): Call the new muldi3_internal2 for R4000, and
10947 any GENERATE_MULT3 chip.
10949 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
10951 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
10953 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
10955 * unroll.c (find_splittable_givs): Remove last change. Handle givs
10956 with a dest_reg that was created by loop.
10958 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
10960 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
10962 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
10964 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
10966 * configure.in: Fix NCR entries.
10968 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
10970 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
10971 nested exceptions correctly.
10973 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
10974 that was created by loop.
10976 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
10978 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
10980 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
10982 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
10984 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
10985 (print_operand): Use SMALL_DATA_REG for the register involved in
10986 small data relocations.
10987 (print_operand_address): Ditto.
10989 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
10990 -dynamic linker is not used.
10992 * rs6000.md (call insns): For local calls, use @local suffix under
10993 System V. Don't use @plt under Solaris.
10995 * rs6000.c (output_function_profiler): Put label address in r0, and
10996 store LR in 4(sp) for System V/eabi.
10998 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
10999 byte boundary, and maintain stack backchain.
11001 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
11003 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
11004 fix_truncsfdi2): Change *.
11006 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
11008 * toplev.c (main): Complain about -gdwarfn.
11010 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
11012 * dwarfout.c (output_type): If finalizing, write out nested types
11013 of types we've already written.
11015 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
11017 (patches originally from Geoffrey Keating)
11018 * rs6000.c (function_arg): Excess floating point arguments don't
11019 go into GPR registers after exhausting FP registers under the
11021 (function_arg_partial_nregs): Ditto.
11023 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
11026 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
11028 * integrate.c (output_inline_function): Just unset DECL_INLINE.
11030 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
11032 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
11035 * libgcc2.c (__throw): Initialize HANDLER.
11037 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
11039 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
11040 fix_truncsfdi2): Change *X to ?*X.
11042 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
11044 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
11046 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
11048 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
11050 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
11052 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
11054 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
11056 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
11057 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
11058 * expr.h: Likewise.
11060 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
11062 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
11063 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
11064 gas and not using the new HP assembler.
11066 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
11068 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
11069 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
11071 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
11073 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
11074 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
11077 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
11079 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
11081 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
11083 * except.h: Add outer_context_label_stack.
11084 * except.c: Likewise.
11085 (expand_start_all_catch): Push the outer_context for the try block
11086 onto outer_context_label_stack.
11087 (expand_end_all_catch): Use it and pop it.
11089 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
11091 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
11093 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
11095 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
11097 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
11099 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
11100 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
11102 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
11104 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
11105 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
11106 __builtin_delete, and __builtin_vec_delete.
11108 * except.c (output_exception_table): Don't bother with
11111 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
11113 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
11114 is an in/out operand.
11115 (zero extended variants of stwm/stwm patterns): Similarly.
11117 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
11119 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
11121 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
11123 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
11124 (output_call_frame_info): Emit a \n after using it.
11126 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
11128 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
11130 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
11132 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
11133 (ASM_OUTPUT_DWARF_VALUE4): New macro.
11134 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
11136 (output_call_frame_info): Do not output forward label differences
11137 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
11138 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
11140 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11142 * sh.md (attribute "type"): Add nil.
11143 (movsi_ie): y/y alternative is type nil.
11144 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
11146 (movsf_ie+1): Delete.
11148 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
11150 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
11151 large_int, emit two insns instead of one splitable insn.
11152 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
11153 from cfa_temp_value, use cfa_offset. Add assert checking that
11156 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
11158 * cccp.c (deps_output): Properly quote file names for make.
11160 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
11162 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
11164 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
11166 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
11168 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
11170 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
11172 (cse_end_of_basic_block): Similarly.
11174 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
11176 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
11177 (SELECT_RTX_SECTION): Define.
11178 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
11180 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
11182 * Makefile.in (compare, compare-lean): Define $stage for each
11184 (gnucompare, gnucompare-lean): Likewise.
11186 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
11188 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
11190 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
11191 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
11193 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
11195 * dwarfout.c (byte_size_attribute): Add local var upper_bound
11196 and add case to handle STRING_TYPE.
11197 * dwarfout.c (output_string_type_die): Fix code to generate
11198 correct string length attribute for fixed length strings.
11199 Still needs support for varying length strings.
11201 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
11203 * toplev.c (get_run_time): Do something sensible for cygwin32.
11205 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
11207 * expr.c (expand_builtin_setjmp): Set
11208 current_function_has_nonlocal_label.
11209 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
11210 call-saved registers across calls.
11212 * alpha.md (exception_receiver): Remove.
11213 (nonlocal_goto_receiver_osf): New
11214 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
11215 (nonlocal_goto_receiver): New, select _osf or _vms.
11217 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
11218 keep them from being propogated to the object file.
11219 (alpha_write_linkage): Likewise.
11220 * alpha.md (call_vms): Likewise.
11221 (call_value_vms): Likewise.
11222 (unnamed osf call insns): Likewise.
11224 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
11225 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11227 * alpha.c (call_operand): Any reg is valid for WinNT.
11228 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
11229 (anon nt calls): Add 'R' alternative.
11230 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
11231 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
11233 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
11235 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
11237 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
11238 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
11239 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
11241 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
11243 * reload1.c (new_spill_reg): Improve fixed or forbidden register
11244 spill error message.
11246 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11248 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
11249 use varargs.h. Wrap header with <>, not "".
11251 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
11253 * integrate.c (save_for_inline_copying): Add return value from
11256 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
11258 * fixincludes: Be a little more restrictive on what we will
11259 substitute to replace definitions of MAXINT for HPUX.
11261 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
11263 * dbxout.c (dbxout_symbol_location): Don't assume that variables
11264 whose address is the stack or argument pointers are indirect
11267 1997-11-13 Paul Eggert <eggert@twinsun.com>
11269 * cccp.c, cpplib.c (compare_defs):
11270 Don't complain about arg name respellings unless pedantic.
11271 * cpplib.c (compare_defs): Accept pfile as new arg.
11272 All callers changed.
11274 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11276 * fold-const.c (fold_truthop): Fix bug in last change.
11278 1997-11-13 Paul Eggert <eggert@twinsun.com>
11280 Fix some confusion with IEEE minus zero.
11282 * real.h (REAL_VALUES_IDENTICAL): New macro.
11284 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
11285 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
11287 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
11288 same tree structure as 0.0.
11290 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
11291 macro instead of doing it by hand.
11293 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
11295 * v850/lib1funcs.asm: Minor whitespace changes.
11296 * v850.c: Fix minor formatting problems in many places.
11297 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
11299 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
11301 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
11302 xplus1 when xplus0 is not a register.
11304 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
11306 * flow.c (find_basic_blocks): During marking phase, if we encounter
11307 an insn with a REG_LABEL note, make the target block live and
11308 create an edge from the insn to the target block. Do not make
11309 edges from all blocks to the target block.
11311 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
11313 * confiugre.in: Tweak NCR entries.
11314 * configure: Rebuilt.
11316 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
11318 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
11319 pick apart floating point values, instead of using CONST_DOUBLE_LOW
11320 and CONST_DOUBLE_HIGH.
11322 * rs6000.md (define_splits for DF constants): Use the appropriate
11323 REAL_VALUE_* interface to pick apart DF floating point constants in
11324 a machine independent fashion.
11326 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11328 * fold-const.c (fold_truthop): When changing a one-bit comparison
11329 against zero into a comparison against mask, do a proper sign
11332 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
11334 * except.c: Do not include "assert.h".
11335 (save_eh_status): Turn asserts into conditional aborts.
11336 (restore_eh_status, scan_region): Likewise.
11337 * dwarfout.c: Do not include "assert.h".
11338 (bit_offset_attribute): Turn asserts into conditional aborts.
11339 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
11340 (output_inlined_structure_type_die): Likewise.
11341 (output_inlined_union_type_die): Likewise
11342 (output_tagged_type_instantiation): Likewise.
11343 (dwarfout_file_scope_decl): Likewise.
11344 * dwarf2out.c: Do not include "assert.h"
11345 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
11346 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
11347 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
11348 (add_bit_size_attribute, scope_die_for): Likewise.
11349 (output_pending_types_for_scope): Likewise.
11350 (get_inlined_enumeration_type_die): Likewise.
11351 (get_inlined_structure_type_die): Likewise.
11352 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
11353 (gen_tagged_type_instantiation_die): Likewise.
11355 * flow.c (find_basic_blocks): Refine further to get a more correct
11356 cfg, especially in the presense of exception handling, computed
11357 gotos, and other non-trivial cases. Call abort if an inaccuracy
11358 is detected in the cfg.
11360 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11362 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
11364 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
11365 (skip_white_space): Use whitespace_cr.
11366 (check_newline): Handle whitespace more consistently.
11368 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
11370 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
11371 * i386/xm-cygwin32.h (POSIX): Define.
11373 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
11375 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
11376 is available elsewhere.
11378 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
11380 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
11381 what the instruction can handle.
11383 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
11385 * stmt.c (expand_decl_cleanup_no_eh): New fn.
11387 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
11389 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
11391 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
11392 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
11394 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
11396 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
11397 swap instruction order.
11399 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
11401 * fixinc.svr4 (__STDC__): Add another case.
11403 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11405 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
11406 addresses in the epilogue delay slot.
11408 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
11410 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
11411 in generated `specs' file.
11413 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
11415 * flags.h (flag_rerun_loop_opt): Declare.
11416 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
11417 * toplev.c (flag_rerum_loop_opt): Delete static.
11419 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11421 Bring over from FSF:
11423 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11425 * va-sh.h (__va_arg_sh1): Define.
11427 SH3E doesn't use any integer registers for subsequent arguments
11428 once a non-float value was passed in the stack.
11429 * sh.c (machine_dependent_reorg): If optimizing, put explicit
11430 alignment in front label for ADDR_DIFF_VEC.
11431 * sh.h (PASS_IN_REG_P): Fix SH3E case.
11432 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
11434 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11436 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
11439 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11441 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
11442 put an use_sfunc_addr before each sfunc.
11443 * sh.md (use_sfunc_addr, dummy_jump): New insns.
11444 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
11446 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11448 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
11450 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
11452 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
11455 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
11457 * alias.c (find_base_value): Only return the known base value for
11460 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
11462 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
11463 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
11465 (prologue_get_pc_and_set_got): New pattern.
11467 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
11469 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
11470 for SUBREG, just fall through.
11472 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
11474 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
11476 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
11478 * fixincludes: Fix "hypot" prototype in NeXT math.h.
11480 * Makefile.in (USE_ALLOCA): Always include alloca.o.
11481 (USE_HOST_ALLOCA): Likewise.
11483 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
11484 and LABEL_REFS fields.
11485 * rtl.h (LABEL_REFS): Update.
11487 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
11489 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
11490 sets i2dest. When calling distribute_notes for i3dest_killed, pass
11491 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
11494 * mips.md (insv, extzv, extv): Add change_address call.
11495 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
11497 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
11499 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
11501 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
11502 save_restore_insns if no FP and GP will be restored.
11504 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
11505 Convert CCmode to word_mode before calling GET_MODE_SIZE.
11507 * acconfig.h (HAVE_INTTYPES_H): Undef.
11508 * configure.in (inttypes.h): Check for conflicts between sys/types.h
11509 and inttypes.h, and verify that intmax_t is defined.
11510 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
11511 * config/mips/x-iris3: Likewise.
11513 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
11515 * alias.c (find_base_value): When copying arguments, return the
11516 tenative value for a hard register.
11518 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
11520 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
11521 (yylex): Record wide strings using target endianness, not host.
11523 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
11525 * mn10200.h (ASM_OUTPUT_BSS): Delete.
11526 (ASM_OUTPUT_ALIGNED_BSS): New macro
11527 * mn10300.h (ASM_OUTPUT_BSS): Delete.
11528 (ASM_OUTPUT_ALIGNED_BSS): New macro.
11529 * v850.h (ASM_OUTPUT_BSS): Delete.
11530 (ASM_OUTPUT_ALIGNED_BSS): New macro.
11532 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11534 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
11536 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
11538 * configure.in (sco5): Use cpio to install header files.
11540 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
11542 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
11544 * configure: Rebuild.
11546 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
11548 * i386/sco5.h: enable -gstabs once again.
11550 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
11552 * arm.c (output_move_double): Allocate 3 entries in otherops array.
11554 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
11556 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
11557 notes for sjlj exceptions too.
11558 (expand_eh_region_end): Similarly for EH_REGION_END notes.
11559 (exception_optimize): Optimize EH regions for sjlj exceptions too.
11560 * final.c (final_scan_insn): Don't output labels for EH REGION
11561 notes if doing sjlj exceptions.
11563 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
11565 * alias.c (init_alias_analysis): Handle -fno-alias-check when
11566 optimizing correctly.
11568 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
11569 or set current_function_calls_setjmp anymore.
11571 * flow.c (find_basic_blocks): If we delete the label for an
11572 exception handler, remove it from the EH label list and remove
11573 the EH_BEGIN/EH_END notes for that EH region.
11575 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
11577 * flow.c (find_basic_blocks): Generate correct flow control
11578 information when exception handling notes are present.
11580 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
11582 * dwarf2out.c (output_call_frame_info): Fix length argument
11583 to ASM_OUTPUT_ASCII.
11584 (output_die, output_pubnames, output_line_info): Likewise.
11586 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
11588 * version.c: Bump for snapshot.
11590 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
11591 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
11592 flag_debug_asm is on.
11593 (output_die, output_pubnames, output_line_info): Likewise.
11595 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
11596 and static_chain_rtx into the potential base values array if
11597 they are registers.
11599 * alias.c (new_reg_base_value): New array of potential base values.
11600 (unique_id): Now file scoped static.
11601 (find_base_value, case REG): Return the value in reg_base_value
11602 array for the REG if it exists. Else, return the value from
11603 new_reg_base_value if copying args and REG is a hard register.
11604 (find_base_value, case PLUS): If either operand of the PLUS is
11605 a REG, try to get its base value. Handle base + index and
11607 (record_set): Use new_reg_base_value instead of reg_base_value.
11608 (init_alias_analysis): Allocate space for new_reg_base_value too.
11609 Rework code to iterate over the insns propagating base value
11610 information until nothing changes.
11612 * global.c (global_alloc): Free the conflict matrix after
11613 reload has finished.
11615 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
11617 * libgcc2.c (L_eh): Define __eh_pc.
11618 Replace __eh_type with generic pointer __eh_info.
11620 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
11622 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
11623 use copy_to_reg if address is not a general_operand.
11625 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11627 * profile.c (output_func_start_profiler): Clear flag_inline_functions
11628 for the duration of the call to rest_of_compilation.
11630 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
11632 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
11634 (sparc*-*-*): Recognize --with-cpu=v9.
11635 * sparc/elf.h: New file.
11636 * sparc/t-elf: New file.
11638 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
11640 * mn10300.c (const_8bit_operand): New function.
11641 (mask_ok_for_mem_btst): New funtion.
11642 * mn10300.md (btst patterns with mem operands): Use new functions
11643 to avoid creating btst instructions with invalid operands.
11645 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
11647 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
11648 are running on PowerPC Linux.
11650 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
11652 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
11653 if not previously defined.
11655 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
11657 * function.c (assign_parms): Correct mode of stack_parm if
11658 entry_parm underwent a mode conversion.
11660 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
11662 * global.c (global_alloc): Use xmalloc instead of alloca for
11663 CONFLICTS, since max_allocno * allocno_row_words alone can be more
11664 than 2.5Mb sometimes.
11666 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
11668 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
11669 DEST for the spill, adjust mode of SRC to compensate.
11671 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
11673 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
11674 since any_memory_operand() allows pseudos during reload.
11675 (reload_inhi, reload_outqi, reload_outhi): Likewise.
11677 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
11679 * m68k.md (btst patterns): Add 5200 support.
11681 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
11683 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
11684 optimizations, look inside dividend to determine if the expression
11685 can be simplified by using EXACT_DIV_EXPR.
11687 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
11690 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
11692 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
11694 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
11696 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
11698 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
11701 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
11703 * alpha.md (movqi, movhi): Make sure new insns created during reload
11704 won't need reloading themselves.
11705 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
11707 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
11709 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
11711 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
11713 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
11714 Patch from Klaus Kaempf <kkaempf@progis.de>.
11716 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
11718 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
11719 to an element in a constant string.
11721 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
11723 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
11724 bit PC-relative offset. The exception range table pointer is now in
11726 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
11727 (count_fdes, add_fdes, get_cie): Adjust.
11728 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
11731 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
11733 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
11735 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
11736 like stack_pointer_rtx.
11738 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
11740 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
11741 targets using "$@" to provide support for similar but not identical
11742 targets without having to duplicate code.
11743 (bootstrap4): New goal.
11745 * Makefile.in (compare, compare-lean, compare3): Combined to one
11746 ruleset determining actions to be performed via $@.
11747 (compare4, compare4-lean): New targets.
11748 (gnucompare, gnucompare3): Combined to one ruleset determining
11749 actions to be performed via $@. Also, note which files failed
11750 the comparison test in .bad_compare.
11751 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
11753 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
11755 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
11756 if the dividend is a multiple of the divisor.
11758 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
11760 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
11762 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
11765 * alias.c (true_dependence): Fix typo.
11767 * toplev.c (flag_rerun_loop_opt): New variable.
11768 (f_options): Handle -frerun-loop-opt.
11769 (rest_of_compilation): If -frerun-loop-opt, then run the loop
11771 (main): Enable -frerun-loop-opt by default for -O2 or greater.
11773 * loop.c (simplify_giv_expr): Adding two invariants results
11776 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
11778 * expr.c (get_inner_reference): Remove the array bias after
11779 converting the index to Pmode.
11781 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
11783 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
11784 (TARGET_MULT_BUG): Define.
11785 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
11786 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
11788 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
11790 * mn10200.c (indirect_memory_operand): Delete unused function.
11791 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
11792 * mn10200.md (bset, bclr insns): Handle output in a reg too.
11794 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
11796 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
11797 the callee's ldgp, we must do it ourselves, and we use the jsr tag
11798 for more than scheduling.
11800 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
11802 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
11804 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
11806 * mn10300.c (symbolic_operand, legitimize_address): New functions.
11807 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
11808 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
11810 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
11812 * version.c: Bump for snapshot.
11814 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11816 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
11819 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
11821 * toplev.c (flag_exceptions): Default value is 2.
11822 (compile_file): If flag_exceptions still has the value 2, then
11825 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
11826 (rs6000_save_machine_status): Save pic_offset_table_rtx.
11827 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
11829 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
11832 * rs6000.md (*movsi_got_internal_mem): New pattern.
11833 (*movsi_got_internal_mem splitter): New define_split.
11835 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
11837 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
11839 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
11841 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
11842 only need to save LR.
11844 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
11846 * mn10300.md (movqi, movhi): Avoid using address registers as
11847 destinations unless absolutely necessary.
11849 * mn10200.c (expand_prologue): Fix typo.
11851 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
11853 * mn10200.md (neghi2): Provide an alternative which works if
11854 the input and output register are the same.
11856 * mn10300.c (print_operand): Handle 'S'.
11857 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
11858 shift amount in last alternative
11860 * mn10300.c (expand_epilogue): Rework to handle register restores
11861 in "ret" and "retf" instructions correctly.
11863 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
11865 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
11866 extzv for memory operands.
11868 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
11869 redundant conditional moves to single operand.
11871 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
11873 * v850.h: Move define of __v850__ from CPP_PREDEFINES
11876 * xm-v850.h: Use __v850 rather than __v850__ to
11877 identify v850 port.
11879 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
11881 * mips/mips.c (compute_frame_size): Not a leaf function if
11884 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
11886 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
11888 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
11890 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
11891 (DEFAULT_ARCH32_P): New macro.
11892 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
11893 (enum cmodel): Declare.
11894 (sparc_cmodel_string,sparc_cmodel): Declare.
11895 (SPARC_DEFAULT_CMODEL): Provide default.
11896 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
11897 (TARGET_FULLANY): Deleted.
11898 (TARGET_CM_MEDMID): New macro.
11899 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
11900 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
11901 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
11902 (CPP_SPEC): Rewrite.
11903 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
11904 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
11905 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
11906 (ASM_SPEC): Add %(asm_arch).
11907 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
11908 Rename asm_default to asm_cpu_default.
11909 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
11910 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
11911 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
11912 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
11913 (MASK_INT64,MASK_LONG64): Delete.
11914 (MASK_ARCH64): Renamed to MASK_64BIT.
11915 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
11916 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
11917 (TARGET_SWITCHES): Always provide 64 bit options.
11918 (ARCH64_SWITCHES): Delete.
11919 (TARGET_OPTIONS): New option -mcmodel=.
11920 (INT_TYPE_SIZE): Always 32.
11921 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
11922 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
11923 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
11924 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
11925 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
11927 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
11928 * sparc/linux.h: Likewise.
11929 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
11930 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
11931 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
11932 (SPARC_DEFAULT_CMODEL): Define.
11933 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
11934 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
11935 (LONG_DOUBLE_TYPE_SIZE): Define.
11936 (ASM_SPEC): Add %(asm_arch).
11937 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
11938 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
11939 (TARGET_CPU_DEFAULT): Add ultrasparc case.
11940 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
11941 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
11942 (SPARC_DEFAULT_CMODEL): Define.
11943 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
11944 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
11945 MASK_LONG64, MASK_MEDANY.
11946 (SPARC_DEFAULT_CMODEL): Define.
11947 (CPP_PREDEFINES): Delete.
11948 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
11949 (ASM_SPEC): Add %(asm_arch).
11950 (LONG_DOUBLE_TYPE_SIZE): Define.
11951 (DWARF2_DEBUGGING_INFO): Define.
11952 * sparc/splet.h (CPP_SPEC): Delete.
11953 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
11954 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
11955 (BLOCK_PROFILER): Likewise.
11956 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
11957 (sparc_override_options): Handle code model selection.
11958 (sparc_init_expanders): Renamed from sparc64_init_expanders.
11959 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
11960 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
11961 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
11962 (sethi_di_fullany): Delete.
11964 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
11965 Jeff Law <law@cygnus.com>
11966 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11968 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
11969 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
11970 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
11971 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
11972 * alpha/alpha.md (arg_home): Likewise.
11974 * alpha/alpha.c (vmskrunch): Delete
11975 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
11976 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
11977 truncate to 64 characters.
11979 * make-l2.com: Support openVMS/Alpha.
11981 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
11983 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
11985 * longlong.h (count_leading_zeros): Add missing casts to USItype.
11987 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
11989 * i386/bsd386.h (ASM_COMMENT_START): Define.
11991 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
11993 * tree.c (restore_tree_status): Also free up temporary storage
11994 when we finish a toplevel function.
11995 (dump_tree_statistics): Print stats for backend obstacks.
11997 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
11999 * expr.c (use_group_regs): Don't call use_reg for MEMs.
12001 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
12003 * libgcc2.c (__throw): Don't copy the return address.
12004 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
12006 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
12007 * toplev.c (main): Initialize exceptions_via_longjmp.
12009 * tree.c: Add extra_inline_obstacks.
12010 (save_tree_status): Use it.
12011 (restore_tree_status): If this is a toplevel inline obstack and we
12012 didn't want to save anything on it, recycle it.
12013 (print_inline_obstack_statistics): New fn.
12014 * function.c (pop_function_context_from): Pass context to
12015 restore_tree_status.
12016 * obstack.h (obstack_empty_p): New macro.
12018 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
12020 * i386/freebsd.h (ASM_COMMENT_START): Fix.
12022 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
12024 * v850.c (ep_memory_offset): New function.
12025 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
12027 * v850.h (CONST_OK_FOR_*): Add and correct comments.
12028 (CONSTANT_ADDRESS_P): Add comment.
12029 (EXTRA_CONSTRAINT): Define 'U'.
12030 * v850.md: Add comments on bit field instructions.
12031 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
12032 (lshrsi3): Use N not J constraint.
12034 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
12036 * v850.c (reg_or_0_operand): Call register_operand.
12037 (reg_or_int5_operand): Likewise.
12038 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
12039 (TARGET_SWITCHES): Add "big-switch".
12040 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
12041 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
12042 (CASE_DROPS_THROUGH): Comment out.
12043 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
12044 * v850.md (cmpsi): Delete compare mode.
12045 (casesi): New pattern.
12047 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
12048 * v850.md (ashlsi3): Use SImode not QImode for shift count.
12049 (lshrsi3): Likewise.
12051 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
12052 unreachable switch statement after 'b' support. Remove "b" from
12053 strings for 'b' support.
12054 * v850.md (branch_normal, branch_invert): Change %b to b%b.
12056 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
12058 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
12059 empty line if @inhibit_libc@ is empty.
12061 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
12063 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
12064 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
12065 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
12066 (DWARF2_UNWIND_INFO): Let this track object file format.
12067 (EXTRA_SECTIONS): Add in_eh.
12068 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
12069 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
12071 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
12073 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
12074 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
12076 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
12077 (output_double_int): Output DI mode values correctly when
12078 HOST_BITS_PER_WIDE_INT is 64.
12079 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
12080 fmovd so it works if a quad float ends up in one of the upper 32
12082 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
12083 necessary for PIC support on sparc64.
12085 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
12087 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
12088 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
12089 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
12090 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
12091 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
12092 (SPARC_FP_ARG_FIRST): New macro.
12093 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
12094 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
12095 (NPARM_REGS): There are 32 fp argument registers now.
12096 (FUNCTION_ARG_REGNO_P): Likewise.
12097 (FIRST_PARM_OFFSET): Update to new v9 abi.
12098 (REG_PARM_STACK_SPACE): Define for arch64.
12099 (enum sparc_arg_class): Delete.
12100 (sparc_arg_count,sparc_n_named_args): Delete.
12101 (struct sparc_args): Redefine and use for arch32 as well as arch64.
12102 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
12103 (FUNCTION_ARG_ADVANCE): Rewrite.
12104 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
12105 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
12106 (FUNCTION_ARG_CALLEE_COPIES): Delete.
12107 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
12108 (STRICT_ARGUMENT_NAMING): Define.
12109 (doublemove_string): Declare.
12110 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
12111 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
12112 (doublemove_string): New function.
12113 (output_move_quad): Clean up some of the arch64 support.
12114 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
12115 Don't add 8 bytes of reserved space if arch64.
12116 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
12117 (init_cumulative_args): New function.
12118 (function_arg_slotno): New static function.
12119 (function_arg,function_arg_partial_nregs): New functions.
12120 (function_arg_{pass_by_reference,advance}): New functions.
12121 (function_arg_padding): New function.
12122 * ginclude/va-sparc.h: Rewrite v9 support.
12124 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
12126 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
12127 for hard regs to determine base and index registers.
12129 * reload.c (debug_reload_to_stream): New function. Specify stream
12130 into which to write debug info.
12131 (debug_reload): Modify to call debug_reload_to_stream with stderr.
12133 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
12135 * combine.c (can_combine_p): Don't combine with an asm whose
12136 output is a hard register.
12138 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
12140 * c-decl.c (start_struct): Ensure that structs with forward
12141 declarations are in fact packed when -fpack-struct is given.
12143 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
12144 we are packing a structure. This allows a structure with only
12145 bytes to be aligned on a byte boundary and have no padding on a
12148 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12150 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
12152 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
12154 * alpha.c (alpha_return_addr_rtx): New variable.
12155 (alpha_save_machine_status): New; save it.
12156 (alpha_restore_machine_status): New; restore it.
12157 (alpha_init_expanders): New; clear it.
12158 (alpha_return_addr): New; set it.
12159 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
12160 is overly conservative, so search the insns explicitly.
12161 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
12162 (alpha_sa_size [VMS && !VMS]): Likewise.
12163 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
12164 (INIT_EXPANDERS): New definition.
12166 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
12167 (output_prolog [!VMS]): Use them.
12169 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
12170 (alpha_does_function_need_gp): ... a new function. Refine the
12171 CALL_INSN test to just TYPE_JSR.
12172 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
12174 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
12176 * version.c: Bump for snapshot.
12178 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12180 * pa.c (move_operand): Respect -mdisable-indexing.
12181 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
12183 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
12185 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
12187 (umulsidi3,umulsi3_highpart): Ditto.
12188 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
12190 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
12192 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
12193 (alpha_handle_trap_shadows): ... a new function. Handle the entire
12194 function in one go. Emit RTL for trapb, instead of printf directly.
12195 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
12196 (trap_pending): Kill global variable.
12197 (output_epilog): Don't call final_prescan_insn.
12198 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
12199 * alpha.h (FINAL_PRESCAN_INSN): Remove.
12200 (MACHINE_DEPENENT_REORG): Define.
12201 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
12204 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
12206 Tune Haifa scheduler for Alpha:
12207 * alpha.h (ISSUE_RATE): Define.
12208 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
12209 EV4 adjustments to EV5.
12210 * alpha.md: Remove all scaling from function unit delays. Rework
12211 EV5 function units to match the CPU.
12212 (umuldi3_highpart): EV5 added the IMULH insn class.
12214 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
12216 * pa.c (following_call): Fail if the CALL_INSN is an indirect
12219 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
12221 * cplus-dem.c (demangle_signature): Don't look for return types on
12222 constructors. Handle member template constructors.
12224 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
12226 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
12227 * tree.h: Declare them.
12229 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
12231 * configure.in: Handle --with-newlib.
12232 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
12234 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
12236 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
12238 * config/ptx4.h: Fix typo.
12240 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
12242 * version.c: Bump for snapshot.
12244 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
12246 * aclocal.m4: Substitute INSTALL.
12247 * configure: Re-built.
12249 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
12251 * integrate.c (save_for_inline_copying): Avoid undefined pointer
12253 (expand_inline_function): Likewise.
12255 * dwarf2out.c (output_call_frame_info): Reinstate last change
12256 using flag_debug_asm check instead of flag_verbose_asm.
12258 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
12260 * dwarf2out.c (output_call_frame_info): Remove last change.
12262 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
12264 * frame.c (__frame_state_for): Execute the FDE insns until the
12265 current pc value is strictly bigger than the target pc value.
12267 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
12269 * regclass.c (init_reg_modes): If we can't find a mode for the
12270 register, use the previous one.
12272 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
12274 * haifa-sched.c (print_block_visualization): Call fprintf directly,
12275 don't sprintf through an alloca'ed buffer.
12277 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
12279 * reload.c (decompose): Always initialize val.base.
12281 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
12283 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
12284 instead of aborting.
12285 * dwarf2out.c (output_call_frame_info): Call app_enable and
12286 app_disable to let GNU as accept the generated comments.
12288 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
12290 * tree.h (get_file_function_name): Add declaration.
12291 * dwarf2out.c (output_call_frame_info): No need to cast
12292 get_file_function_name call anymore.
12293 * profile.c (toplevel): Remove get_file_function_name
12295 * c-lang.c (finish_file): Ditto.
12297 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
12299 * Makefile.in (program_transform_name): Let autoconf substitute
12302 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
12304 * haifa-sched.c (schedule_block): If the first real insn in a
12305 block has any special notes attached to it, remove them.
12307 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
12309 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
12311 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
12313 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
12315 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
12317 * Makefile.in (check-g77): New test target.
12318 (CHECK-TARGETS): Add check-g77.
12320 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
12322 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
12324 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
12326 * flow.c (print_rtl_with_bb): Cast alloca return value for
12329 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
12331 * i386.h (RETURN_ADDR_RTX): New definition that works for
12332 __builtin_return_address(0) and -fomit-frame-pointer.
12334 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
12336 Bring over from FSF.
12337 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
12339 * mips.c (function_arg): Handle passing a struct
12340 containing a double in a DFmode register without the PARALLEL.
12342 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
12344 * pexecute.c: Use spawn if __CYGWIN32__.
12346 * pexecute.c: Include "config.h" first, as per autoconf manual
12347 (from Paul Eggert <eggert@twinsun.com>).
12349 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
12351 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
12352 optimisation for f/expr.o and f/stb.o.
12354 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
12356 * cse.c (this_insn_cc0_mode): Initialize.
12358 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
12360 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
12362 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
12364 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
12366 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
12367 that pair will dual-issue on the 21164 and plus+beq won't.
12368 (bne): Likewise for cmpeq+beq.
12370 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
12372 * except.c (find_exception_handler_labels): Correct argument to free.
12374 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
12376 * except.c (find_exception_handler_labels): Free LABELS when we're
12379 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
12381 * version.c: Bump for snapshot.
12383 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
12385 * flow.c (find_basic_blocks): Mark calls as potentially jumping
12388 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
12390 * configure.in: Substitute for "install" too.
12391 * configure: Rebuilt.
12393 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
12395 * Makefile.in (bootstrap-lean, compare-lean): New targets.
12397 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
12399 * alias.c (base_alias_check): Two symbols can conflict if they
12400 are accessed via AND.
12401 (memrefs_conflict_p): Likewise.
12403 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
12404 after flushing argument registers to the stack.
12406 * Makefile.in (mostlyclean): Remove .regmove files.
12408 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
12410 * libgcc2.c (__throw): Fix thinko.
12412 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
12414 * cplus-dem.c (demangle_template): Add new parameter. Handle new
12415 template-function mangling.
12416 (consume_count_with_underscores): New function.
12417 (demangle_signature): Handle new name-mangling scheme.
12419 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
12421 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
12424 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
12426 * frame.c: Remove last change.
12427 * dwarf2.h: Remove last change.
12428 * tree.h: Add declarations of DWARF2 unwind info support
12431 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
12433 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
12434 * tree.h (built_in_function): Likewise.
12435 * expr.c (expand_builtin): Likewise.
12436 * except.h: Likewise.
12437 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
12438 * libgcc2.c (copy_reg): New fn.
12441 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
12443 * c-typeck.c (build_binary_op): Warn about comparing signed vs
12444 unsigned if -W is specified and -Wno-sign-compare is not.
12445 * c-decl.c (warn_sign_compare): Initialize to -1.
12446 (c_decode_option): -Wall no longer implies -Wsign-compare.
12448 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
12450 * frame.c: Include gansidecl.h for PROTO.
12451 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
12452 defined. Don't declare dwarf2out_cfi_label here.
12453 * dwarf2.h: Add declarations of DWARF2 unwind info support
12455 * m68k.c: Include dwarf2.h.
12456 (output_function_prologue): Add dwarf2 support.
12457 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
12458 (INCOMING_FRAME_SP_OFFSET): Likewise.
12460 * integrate.c (expand_inline_function): Make sure there is at
12461 least one insn that can be used as an insertion point.
12463 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
12465 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
12467 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
12469 * version.c: Bump for snapshot.
12471 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
12473 Bring over from FSF.
12475 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
12477 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
12478 (get_pc_via_rdpc): Renamed from get_pc_sp64.
12479 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
12481 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
12483 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
12484 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
12485 -malign-functions=.
12486 (sparc_align_{loops,jumps,funcs}_string): Declare.
12487 (sparc_align_{loops,jumps,funcs}): Declare.
12488 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
12489 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
12490 (STACK_BIAS): Define.
12491 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
12493 (SPARC_SETHI_P): New macro.
12494 (CONST_OK_FOR_LETTER_P): Use it.
12495 (ASM_OUTPUT_ALIGN_CODE): Define.
12496 (ASM_OUTPUT_LOOP_ALIGN): Define.
12497 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
12498 (sparc_align_{loops,jumps,funcs}): New globals.
12499 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
12500 -malign-functions=.
12501 (move_operand): Use SPARC_SETHI_P.
12502 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
12504 (arith11_double_operand): Likewise.
12505 (arith10_double_operand): Likewise.
12506 (finalize_pic): Finish sparc64 support.
12507 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
12508 64 bit constants if able.
12509 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
12510 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
12512 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
12513 (get_pc_sp32): Use for sparc64 as well.
12514 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
12515 (sethi_di_sp64_const): Likewise.
12516 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
12517 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
12518 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
12520 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
12522 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
12523 * sparc/linux.h (COMMENT_BEGIN): Likewise.
12524 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
12526 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
12528 Add sparc64 linux support.
12529 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
12530 to xm_file list on 32-bit sparc-linux.
12531 * sparc/xm-sp64.h: New file.
12532 * sparc/linux64.h: New file.
12533 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
12534 Don't include xm-sparc.h.
12535 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
12536 * glimits.h (LONG_MAX): Handle sparc64.
12538 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
12540 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
12541 * sparc.h (ASM_COMMENT_START): Define.
12542 * sparc.c (output_function_prologue): Use it.
12543 (sparc_flat_output_function_{epi,pro}logue): Likewise.
12545 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
12547 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
12548 use sparc.h's copies.
12549 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
12550 ascii form as well.
12552 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12554 * sparc.c (dwarf2out_cfi_label): Add declaration.
12555 (save_regs, output_function_prologue): Remove cast for it.
12556 (sparc_flat_{save_restore,output_function_prologue): Likewise.
12557 ({save,restore}_regs): No longer inline.
12559 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12561 * fold-const.c (make_range): Correctly handle cases of converting
12562 from unsigned to signed type.
12564 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12566 * fold-const.c (merge_ranges): Make sure that if one range is subset
12567 of another, it will always be the second range. Correct (+,-) case to
12570 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
12572 * final.c (final_end_function): Also do dwarf2 thing if
12573 DWARF2_DEBUGGING_INFO.
12574 (final_start_function): Likewise.
12576 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
12578 * expmed.c (expand_divmod): If compute_mode is not the same as
12579 mode, handle the case where convert_modes() causes op1 to no
12580 longer be a CONST_INT.
12582 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
12583 note holding get_jump_flags() calculation to all JUMP_INSNs.
12584 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
12585 * rtl.c (reg_note_name): Add new note types.
12587 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
12589 * rtlanal.c (computed_jump_p): Fix typo in last change.
12591 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
12593 * loop.c (indirect_jump_in_function_p): Return 0
12596 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
12598 * rs6000/xm-rs6000.h: Fix thinko in last change.
12599 * rs6000/xm-sysv4.h: Likewise.
12601 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
12603 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
12605 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
12607 * reg-stack.c (find_blocks): Fix thinko in last change.
12609 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
12611 * m68k.c (output_function_prologue): Add dwarf2 support.
12613 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
12614 INCOMING_FRAME_SP_OFFSET): New definitions.
12616 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
12618 * combine.c (try_combine): Use NULL_RTX instead of '0' where
12619 appropriate in calls to gen_rtx().
12620 * cse.c (cse_main): Likewise.
12621 * emit-rtl.c (gen_label_rtx): Likewise.
12622 * expr.c (init_expr_once): Likewise.
12623 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
12624 sched_analyze, init_rgn_data_dependences,
12625 compute_block_backward_dependences): Likewise.
12626 * sched.c (schedule_insns): Likewise.
12627 * varasm.c (immed_double_const): Likewise.
12629 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
12630 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
12632 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
12634 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
12635 (MULTILIB_DEFAULTS): Define.
12636 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
12637 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
12638 (LIBGCC_SPEC): Likewise.
12639 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
12640 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
12641 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
12642 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
12643 (EXTRA_PARTS, TAROUTOPTS): Delete.
12644 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
12645 (MULTILIB_OPTIONS): Define.
12646 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
12647 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
12649 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
12651 * version.c: Bump for snapshot.
12653 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
12655 * loop.c (loop_number): Delete function. Change all references
12656 to use uid_loop_num array.
12657 * loop.h (loop_number): Delete declaration.
12658 * unroll.c (unroll_loop): Change "loop_number" references to
12659 use uid_loop_num instead.
12661 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
12663 (loop_unroll_iter): Remove unused variable and all references.
12664 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
12665 (insert_bct): Fix minor formatting problems.
12666 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
12667 (loop_unroll_iter): Removed unused decl.
12668 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
12669 Always record the unrolling factor.
12671 * cse.c (simplify_relational_operation): Set h0u just like h0s.
12672 Similarly for h1u and h1s.
12674 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
12675 (find_basic_blocks): Use computed_jump_p to determine if a
12676 particular JUMP_INSN is a computed jump.
12677 * reg-stack.c (find_blocks): Use computed_jump_p to determine
12678 if a particular JUMP_INSN is a computed jump.
12679 * rtlanal.c (jmp_uses_reg_or_mem): New function.
12680 (computed_jump_p): Likewise.
12681 * rtl.h (computed_jump_p): Declare.
12682 * genattrtab.c (pc_rtx): Define and initialize.
12683 * loop.c (loop_optimize): Always determine if the current
12684 function has a computed jump.
12685 (indirect_jump_in_function_p): Use computed_jump_p to determine
12686 if a particular JUMP_INSN is a computed jump.
12688 * loop.c (fix_bct_param): Delete unused function.
12689 (check_bct_param): Likewise.
12691 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
12693 * frame.c (__deregister_frame): Check properly for initialized object.
12695 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
12697 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
12699 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
12701 * jump.c (thread_jumps): check can_reverse_comparison_p before
12702 threading a reversed-condition jump.
12704 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
12705 * haifa-sched.c (update_flow_info): Likewise.
12707 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
12709 * Makefile.in (BOOT_CFLAGS): Use -O2.
12711 * configure.in (strtoul, bsearch): Have autoconf check for these
12713 * configure, config.in: Rebuilt.
12715 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
12716 * mips/mips.h (alloca): Likewise.
12717 * rs6000/xm-rs6000.h (alloca): Likewise.
12718 * rs6000/xm-sysv4.h: Likewise.
12720 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
12722 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
12723 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
12724 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
12726 * except.c (end_eh_unwinder): Subtract 1 from return address.
12727 * libgcc2.c (__throw): Likewise.
12728 (find_exception_handler): Don't change PC here. Compare end with >.
12730 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
12732 * v850.c (compute_register_save_size): Correct register
12734 * v850.md (save_interrupt, return_interrupt): Correct
12736 * v850/lib1funcs.asm (save_interrupt): Correct register number.
12737 (return_interrupt): Use stack pointer, not element pointer.
12739 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
12741 * configure.in, configure: Make sure to create the stage* and include
12742 symbolic links in each subdirectory.
12744 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
12746 * pa.md (reload_peepholes): Don't allow addresses with side
12747 effects for the memory operand.
12749 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
12751 * libgcc2.c (find_exception_handler): Subtract one from our PC when
12752 looking for a handler, to avoid hitting the beginning of the next
12755 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
12757 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
12759 * mips/abi64.h (LONG_MAX_SPEC): Define.
12760 * mips.h (LONG_MAX_SPEC): Define.
12761 (CPP_SPEC): Include long_max_spec.
12762 (EXTRA_SPECS): Include long_max_spec.
12764 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
12766 * v850.c (construct_save_jarl): Fix thinko in last change.
12768 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
12770 * version.c: Bump for snapshot.
12772 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
12774 * libgcc2.c (find_exception_handler): Not found is -1.
12776 * integrate.c (expand_inline_function): Move expand_start_bindings
12777 after expanding the arguments.
12779 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
12781 * expr.c (expand_expr): Remove previous incorrect change.
12782 If target and slot has no DECL_RTL, then call mark_addressable
12783 again for the slot after we give it RTL.
12785 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
12787 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
12788 again for the slot after we give it RTL.
12790 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
12792 * v850.c (register_is_ok_for_epilogue,
12793 pattern_is_ok_for_epilogue, construct_restore_jr,
12794 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
12796 * v850.h (pattern_is_ok_for_prologue,
12797 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
12800 * v850.md: Replace prologue and epilogue patterns with a
12801 match_parallel pattern.
12803 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
12805 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
12806 * configure.in: Use EGCS_PROG_INSTALL.
12808 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
12810 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
12811 extern inline function.
12813 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
12815 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
12816 (concat_loc_descriptor): New function.
12817 (loc_descriptor): Call it.
12818 (add_AT_location_description): Also elide the descriptor if both
12819 halves of a CONCAT are pseudos.
12820 (add_location_or_const_value_attribute): Recognize CONCAT too.
12822 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
12824 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
12826 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
12827 out-or-range reg_offset.
12828 (output_epilog): Likewise.
12830 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
12832 * cse.c (simplify_relational_operation): If MODE specifies a
12833 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
12834 is derived from the sign bit of the low word.
12836 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
12838 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
12840 * dwarf2.h: Add DW_CFA_GNU_args_size.
12841 * frame.c (execute_cfa_insn): Likewise.
12842 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
12843 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
12844 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
12845 insn, hand it off to dwarf2out_stack_adjust.
12846 (dwarf2out_begin_prologue): Initialize args_size.
12847 * frame.h (struct frame_state): Add args_size.
12848 * libgcc2.c (__throw): Use args_size.
12849 * final.c (final_scan_insn): If we push args, hand off all insns
12850 to dwarf2out_frame_debug.
12851 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
12853 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
12854 Handle epilogue restore of SP from FP.
12855 * emit-rtl.c (gen_sequence): Still generate a sequence if the
12856 lone insn has RTX_FRAME_RELATED_P set.
12858 * frame.c (extract_cie_info): Handle "e" augmentation.
12859 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
12860 absence of UNALIGNED_*_ASM_OP.
12861 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
12862 (output_call_frame_info): Use "e" instead of "z" for augmentation.
12863 Don't emit augmentation fields length.
12864 (dwarf2out_do_frame): Move outside of #ifdefs.
12865 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
12868 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
12869 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
12870 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
12871 * sparc/sun4gas.h: New file.
12872 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
12874 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
12875 __register_frame_table and __deregister_frame.
12877 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
12879 * except.c (find_exception_handler_labels): Use xmalloc instead of
12880 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
12883 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
12885 * Makefile.in: Various changes to build info files
12886 in the object tree rather than the source tree.
12888 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
12890 * fixinc.math: New file to fix math.h on some systems.
12891 * configure.in (freebsd, netbsd): Use fixinc.math on these
12893 * configure: Rebuilt.
12895 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
12897 * regmove.c (regmove_optimize): If we end up moving the
12898 original insn due to lifetime overlaps, make sure to move
12901 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
12903 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
12905 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
12907 * haifa-sched.c (add_branch_dependences): Make each insn in
12908 a SCHED_GROUP_P block explicitly depend on the previous insn.
12910 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
12912 * except.h: Prototype dwarf2 hooks.
12915 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
12917 * configure.in (native_prefix): Delete.
12918 (mips-dec-netbsd): Don't set prefix.
12919 (*linux*): Don't set prefix.
12921 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
12923 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
12924 defined. If not defined, include <sys/varargs.h> if
12925 HAVE_SYS_VARARGS_H is defined.
12926 * configure.in: Test for varargs.h and sys/varargs.h.
12927 * configure: Regenerate with autoconf.
12928 * config.in: Regenerate with autoheader.
12930 * cpplib.c (quote_string): Cast first arg of sprintf call
12931 from "unsigned char *" to "char *".
12932 (output_line_command): Ditto.
12933 (macroexpand): Ditto.
12934 (do_line): Cast atoi arg from "unsigned char *" to "char *".
12936 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
12938 * version.c: Bump for snapshot.
12940 * Makefile.in (compare): Exit with nonzero status if there
12941 are comparison failures. Note which files failed the
12942 comparison test in .bad_compare.
12944 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
12946 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
12948 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
12950 * Makefile.in (LN, LN_S): New macros, use where appropriate.
12951 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
12952 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
12953 * configure: Regenerated.
12955 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
12957 * loop.c (strength_reduce): Fix typo.
12959 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
12961 * m88k/m88k.c (struct option): Rename to struct options.
12962 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
12963 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
12964 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
12965 __DOLPHIN__ or sysV88.
12967 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
12969 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
12972 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
12974 * config.sub: Accept 'amigados' for backward compatability.
12976 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
12978 * Makefile.in (testsuite/site.exp): New target.
12979 (check-gcc, check-g++): Depend on testsuite/site.exp.
12980 Don't stop for failure.
12982 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
12984 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
12985 if DWARF2_UNWIND_INFO.
12987 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
12989 Add support for exception handling using DWARF 2 frame unwind info.
12990 Currently works on SPARC and MIPS, and almost on x86.
12992 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
12993 next_stack_level, in_reg_window): Helper fns.
12994 (__throw): Implement for DWARF2_UNWIND_INFO.
12996 * expr.c (expand_builtin): Handle builtins used by __throw.
12997 * tree.h (enum built_in_function): Add builtins used by __throw.
12998 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
12999 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
13000 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
13001 (expand_builtin_extract_return_addr): Likewise.
13002 (expand_builtin_frob_return_addr): Likewise.
13003 (expand_builtin_set_return_addr_reg): Likewise.
13004 (expand_builtin_eh_stub): Likewise.
13005 (expand_builtin_set_eh_regs): Likewise.
13006 (eh_regs): Choose two call-clobbered registers for passing back values.
13008 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
13009 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
13010 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
13011 (stmp-multilib): Likewise.
13012 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
13014 * except.c: #include "defaults.h".
13015 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
13016 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
13017 (register_exception_table_p): New fn.
13018 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
13019 (end_eh_unwinder): Likewise.
13021 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
13022 call __register_frame and __deregister_frame as needed.
13023 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
13024 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
13025 EH_FRAME_SECTION_ASM_OP.
13026 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
13027 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
13028 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
13030 * dwarf2out.c (output_call_frame_info): If no support for
13031 EXCEPTION_SECTION, mark the start of the frame info with a
13033 * collect2.c (frame_tables): New list.
13034 (is_ctor_dtor): Recognise frame entries.
13035 (scan_prog_file): Likewise.
13036 (main): Pass -fno-exceptions to sub-compile. Also do collection
13037 if there are any frame entries.
13038 (write_c_file_stat): Call __register_frame_table and
13039 __deregister_frame as needed.
13040 (write_c_file_glob): Likewise.
13042 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
13043 Also require unaligned reloc support.
13044 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
13045 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
13046 * sparc/sysv4.h: Not here.
13048 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
13049 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
13050 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
13052 * libgcc2.c (L_eh): Reorganize, moving code shared by different
13053 EH implementations to the top.
13054 (find_exception_handler): Split out. Start from 0. Compare against
13056 (__find_first_exception_table_match): Use it.
13057 * except.c (output_exception_table): Don't do anything if there's
13058 no table. Don't output a first entry of zeroes.
13059 (eh_outer_context): Adjust properly.
13060 (add_eh_table_entry): Use xrealloc.
13061 * toplev.c (compile_file): Just call output_exception_table.
13063 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
13065 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
13067 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
13069 * except.c (eh_outer_context): Do masking using expand_and.
13071 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
13073 Add port done awhile ago for the ARC cpu.
13074 * arc/arc.h: New file.
13075 * arc/arc.c: New file.
13076 * arc/arc.md: New file.
13077 * arc/initfini.c: New file.
13078 * arc/lib1funcs.asm: New file.
13079 * arc/t-arc: New file.
13080 * arc/xm-arc.h: New file.
13081 * ginclude/va-arc.h: New file.
13082 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
13083 * ginclude/varargs.h: Likewise.
13084 * Makefile.in (USER_H): Add va-arc.h.
13085 * configure.in (arc-*-elf*): Recognize.
13086 * longlong.h: Add ARC support.
13088 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
13090 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
13091 when clearing non-BLKmode data.
13093 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
13095 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
13096 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
13098 * xm-m88k.h (USG): Only define if it hasn't already been defined.
13100 * Makefile.in (risky-stage1): Delete gratutious whitespace.
13102 * Makefile.in (clean): Delete libgcc1-test.
13104 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
13106 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
13108 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
13111 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13113 * dwarf2out.c (output_call_frame_info): Call named_section.
13115 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
13117 * haifa-sched.c (print_value): Fix last change.
13119 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
13121 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
13124 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
13126 * mips.c (function_prologue): Set up the CFA when ABI_32.
13128 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
13129 for dwarf2 unwind info.
13130 (output_function_prologue, sparc_flat_output_function_prologue): Same.
13132 * final.c (final_end_function): Check dwarf2out_do_frame instead
13133 of DWARF2_DEBUG for dwarf2 unwind info.
13134 (final_scan_insn): Likewise.
13135 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
13138 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
13141 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
13143 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
13145 * v850.h (ASM_SPEC): Pass on target processor.
13146 (CPP_PREDEFINES): Only define if not already specified.
13147 (TARGET_VERSION): Only define if not already specified.
13148 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
13150 (EXTRA_SWITCHES): Extra entries in the switches array.
13151 (TARGET_DEFAULT): Set default target processor.
13153 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
13155 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
13156 cases, add %# and %/, and add : to make them into extended asms.
13158 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
13160 * alias.c (init_alias_analysis): Clean up incompatible pointer
13161 type warning in bzero.
13162 * regmove.c (regmove_optimize): Ditto.
13163 * haifa-sched.c (find_rgns): Ditto.
13165 * haifa-sched.c (print_value): Clean up ptr->int cast
13168 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
13170 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
13171 * install.texi (Configurations): Ditto.
13172 * config.sub: Ditto.
13174 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
13176 * Makefile.in (sdbout.o): Depend on insn-config.h.
13178 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
13180 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
13181 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
13183 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
13185 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
13186 prologue insn, only the first elt is significant.
13187 (output_call_frame_info): For exception handling, always use 4-byte
13188 fields as specified by the dwarf2 spec.
13189 Don't skip trivial FDEs.
13191 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
13193 * version.c: Bump for snapshot.
13195 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
13197 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
13198 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
13201 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
13203 * final.c (shorten_branches): During first pass, assume worst
13204 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
13206 * Makefile.in (distclean): Remove various things left around
13207 by running the testsuite.
13209 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
13211 * configure.in (out_file): Emit definition to config.status in order
13212 to have a defined value for configure.lang.
13213 * configure: Re-built.
13215 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
13217 * configure.in: Make symlink to as-new rather than as.new. Similarly
13219 * configure: Rebuilt.
13221 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
13223 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
13225 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
13227 * sparc/sparc.md: Add ultrasparc scheduling support.
13228 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
13230 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
13232 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
13233 as initial value for real_label_map.
13234 (copy_for_inline): Likewise.
13236 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
13238 * sched.c (update_flow_info) When looking if to set found_split_dest
13239 or found_orig_dest, look at all parts of a PARALLEL.
13240 * haifa-sched.c (update_flow_info): Likewise.
13242 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
13244 * v850: New directory for v850 port.
13245 * v850/lib1funcs.asm: New file.
13246 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
13247 * ginclude/va-v850.h: New file.
13248 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
13249 * configure.in (mn10200-*-*): New target.
13250 * configure: Rebuilt.
13251 * config.sub: Handle v850-elf.
13252 * Makefile.in (USER_H): Add va-mn10200.h.
13253 * invoke.texi: Document v850 stuff.
13255 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
13257 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
13258 has integer TYPE_{MAX,MIN}_VALUE before using them.
13260 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
13261 __HPUX_ASM__ versions.
13263 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
13265 * install.sh: Delete duplicate install script.
13267 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
13269 * reg-stack.c (subst_stack_regs): Pop the stack register for a
13270 computed goto which sets the same stack register.
13272 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
13273 destination are both on the regstack.
13274 (subst_stack_regs_pat): Put the destination at the top of the regstack.
13276 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
13278 * mips.md (nonlocal_goto_receiver): Define.
13280 * profile.c (output_arc_profiler): Check next_insert_after for non
13281 NULL before deferencing it.
13283 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
13285 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
13287 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
13289 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
13291 * toplev.c (rest_of_compilation): For passes starting with
13292 flow_analysis, use print_rtl_with_bb instead of print_rtl.
13294 * print-rtl.c (print_rtl_single): Print a single rtl value to a
13297 * flow.c (print_rtl_with_bb): Print which insns start and end
13298 basic blocks. For the start of a basic block, also print the live
13301 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
13303 * toplev.c (main): Change #elif to #else/#ifdef
13305 * tlink.c: Include ctype.h.
13306 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
13308 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
13310 * bitmap.c: Conditionally include stdlib.h.
13311 (free): Provide a declaration if NEED_DECLARATION_FREE.
13313 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
13315 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
13317 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
13319 * profile.c (output_arc_profiler): Verify next_insert_after is an
13320 INSN before and after skipping a stack pop.
13322 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
13324 * final.c (shorten_branches): Don't count the lengths of deleted
13327 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
13329 * version.c: Bump for snapshot.
13331 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
13333 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
13334 two bitmaps ANDed together.
13335 (bitmap_print): Declare.
13337 * bitmap.c (function_obstack): Don't declare any more.
13338 (bitmap_obstack): Obstack for allocating links from.
13339 (bitmap_obstack_init): New static to say whether to initialize
13341 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
13342 (bitmap_release_memory): Free all memory allocated from
13345 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
13346 EXECUTE_IF_AND_IN_BITMAP.
13348 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
13350 * alias.c (true_dependence): Address with AND can alias scalars.
13351 (anti_dependence, output_dependence): Likewise.
13353 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
13355 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
13357 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
13358 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
13359 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
13360 definitions. Use -qrtems instead of -mrtems.
13362 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
13364 * xm-sco5.h (sys_siglist): Define.
13365 (SYS_SIGLIST_DECLARED): Likewise.
13367 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
13369 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
13371 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
13373 * except.c (eh_outer_context): Expand masking operation using
13376 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
13378 * alpha.md (floatdisf2-1): New pattern.
13380 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
13382 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
13383 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
13384 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
13385 * gcc.texi: Note that if you define sys_siglist that you should
13386 also define SYS_SIGLIST_DECLARED.
13388 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
13389 are relative to the next instruction, not the current instruction.
13391 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
13393 * local-alloc.c (contains_replace_regs): New function.
13394 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
13395 verify that there is no existing REG_EQUIV note, and add a call to
13396 contains_place_regs.
13398 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13400 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
13401 (STARTFILE_SPEC): Always use crtbegin.o%s
13402 (ENDFILE_SPEC): Always use crtend.o%s.
13404 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
13406 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
13408 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
13409 SFmode for 64 bit hosts.
13411 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
13413 * fixincludes: Permits spaces between # and define. Discard C++
13414 comments in sys/pci.h on HP/UX 10.20.
13416 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
13418 * version.c: Bump for snapshot.
13420 * pa.c (restore_unscaled_index_insn_codes): New function.
13421 (record_unscaled_index_insn_codes): Likewise.
13422 (output_function_prologue): Call restore_unscaled_index_insn_codes.
13423 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
13424 (pa_reorg): Call record_unscaled_index_insn_codes.
13426 * haifa-sched.c (move_insn): Handle notes correctly for insns
13427 with SCHED_GROUP_P set.
13429 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13431 * alpha/xm-linux.h (USE_BFD): Undef before define.
13433 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
13435 * cse.c (cse_insn): Don't record BLKmode values.
13437 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
13439 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
13441 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
13443 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
13444 * collect2.c (sys_errlist): Likewise.
13445 * cpplib.c (sys_errlist): Likewise.
13446 * gcc.c (sys_errlist): Likewise.
13447 * protoize (sys_errlist): Likewise.
13448 * configure.in: Check for strerror.
13449 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
13450 * xm-gnu.h (HAVE_STRERROR): Likewise.
13451 * xm-linux.h (HAVE_STRERROR): Likewise.
13452 * xm-netbsd.h (HAVE_STRERROR): Likewise.
13453 * xm-bsd386.h (HAVE_STRERROR): Likewise.
13454 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
13455 * xm-dos.h (HAVE_STRERROR): Likewise.
13456 * xm-mingw32.h (HAVE_STRERROR): Likewise.
13457 * xm-pa.h (HAVE_STRERROR): Likewise.
13458 * xm-papro.h (HAVE_STRERROR): Likewise.
13459 * xm-sysv4.h (HAVE_STRERROR): Likewise.
13460 * configure, config.in: Rebuilt.
13462 * Makefile.in: Add several missing "else true" clauses.
13464 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
13465 * mips-tfile.c: Likewise.
13466 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
13467 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
13468 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
13469 * configure.in: Check for sys_siglist declaration.
13470 * configure, config.in: Rebuilt.
13472 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
13474 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
13475 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
13476 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
13477 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
13478 * rs6000/sysv4.h (extra_subtarget_switches): Added new
13479 macro EXTRA_SUBTARGET_SWITCHES.
13480 * configure.in (sh*-*-rtems*): New target.
13481 * sh/rtems.h: New file.
13482 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
13483 * configure: Rebuilt.
13485 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
13487 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
13489 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
13491 * rs6000.md: Make DF fused-add operations pay attention to
13494 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
13496 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
13498 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
13500 * pa.md (reload_peepholes): Make sure operand is a REG before
13501 examining REGNO. Allow general registers too.
13503 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
13505 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
13507 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
13509 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
13510 to reallocate abbrev_die_table.
13512 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
13514 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
13516 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
13518 * Makefile.in (config.status): Depend on version.c
13520 * expr.h (insn_gen_function): Reenable prototype.
13522 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
13525 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
13527 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
13529 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
13531 * version.c: Bump for latest snapshot.
13533 * bc-optab.c: Conditionally include stdlib.h.
13534 (free): Provide a declaration if NEED_DECLARATION_FREE.
13535 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
13536 * rtl.h (free): Remove declaration.
13537 * tree.h (free): Remvoe declaration.
13539 * configure: Rebuilt.
13541 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
13543 * flags.h (flag_move_all_movables): Declare.
13544 (flag_reduce_all_givs): Likewise.
13545 * loop.c (move_movables): Handle flag_move_all_movables.
13546 (strength_reduce): Handle flag_reduce_all_givs.
13547 * toplev.c (flag_move_all_movables): Define.
13548 (flag_reduce_all_givs): Likewise.
13549 (f_options): Add -fmove-all-movables and -freduce-all-givs.
13550 * invoke.texi: Document new options, including alias stuff that
13551 wasn't included last time.
13553 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
13555 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
13556 * t-mn10200: Ditto.
13557 * t-vxsparc: Ditto.
13558 * t-vxworks68: Ditto.
13559 * t-vxworks960: Ditto.
13562 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
13564 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
13565 if not already defined, and USE_C_ALLOCA not defined.
13567 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
13569 * config.guess: Replace with script that uses ../config.guess.
13571 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
13572 if USE_GNULIBC_1 is not defined.
13574 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
13576 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
13577 * config.guess: Recognize alpha-linux-gnulibc1.
13578 * configure.in (alpha-*-linux-gnulibc1): New target.
13579 (alpha-*-linux-gnu*): Don't build crtbegin/end.
13581 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
13583 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
13586 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
13588 * loop.c (combine_movables): Earlier insns don't match later ones.
13590 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13592 * config/linux.h (CC1_SPEC): Define it only if not defined.
13594 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
13597 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
13598 USE_GNULIBC_1 is not defined.
13600 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
13602 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
13603 as 1 if USE_GNULIBC_1 is not defined.
13605 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
13607 * reorg.c (dbr_schedule): Allow current_function_return_rtx
13608 to be something other than a REG.
13609 * function.c (expand_function_end): Fix current_function_return_rtx
13610 if it was a pseudo.
13612 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
13613 * x-netbsd: Likewise
13614 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
13615 (INSTALL_HEADERS): Delete.
13616 * x-dguxbcs: Likewise.
13617 * x-hp3bsd44: Likewise
13620 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
13622 * i386.md (pop): pop increments the stack pointer.
13623 (prologue_set_stack_ptr): New pattern.
13624 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
13627 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
13629 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
13630 address where an offsettable address is required.
13632 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
13634 * loop.c (check_final_value): Don't miss a biv increment in a
13637 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
13639 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
13640 TYPE_DECL_IS_STUB instead of DECL_NAME.
13642 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13644 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
13646 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
13648 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
13650 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
13652 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
13653 (find_post_sched_live): Likewise.
13655 * haifa-sched.c (schedule_block): Remove old code to get arguments
13656 from hard regs into pseudos early.
13658 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
13660 * version.c: Bump for new snapshot.
13662 * local-alloc.c (update_equiv_regs): All the target to reject
13663 promotion of some REG_EQUAL to REG_EQUIV notes.
13664 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
13666 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
13669 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
13670 store of the argument registers.
13672 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
13674 * fold-const.c (multiple_of_p): New function.
13675 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
13677 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
13679 * expr.h (insn_gen_function): Temporarily remove prototype.
13681 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
13683 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
13684 filenames. Use sed to extract base filename for install.
13686 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
13688 * unroll.c (find_splittable_givs): Only share if two givs have the
13689 same add and multiply values.
13691 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
13693 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
13694 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
13696 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
13698 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
13699 around branch tables.
13700 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
13701 and .end_brtab directives if TARGET_GAS.
13703 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
13705 * alias.c (true_dependence): Pass x_addr not x to varies.
13707 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
13708 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
13709 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
13711 * config.in, configure: Regenerate.
13713 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
13715 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
13717 (record_set): Handle LO_SUM like PLUS.
13718 (init_alias_analysis): When following chains of base addresses,
13719 do not stop on reaching a hard register.
13721 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
13723 * version.c: Bump for new snapshot.
13725 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
13727 * alpha.h (ARCH_ASM_FILE_START): Define.
13728 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
13729 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
13731 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
13733 * Makefile.in (install-common): Put gcov comment at start of line.
13735 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
13737 * alias.c (init_alias_analysis): When simplifying the reg_base_value
13738 array, simplify entries for hard registers too.
13740 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
13742 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
13745 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
13747 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
13748 block_stack before dereferencing it.
13750 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
13752 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
13754 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
13756 * cplus-dem.c: Add 'extern' to prepends_underscore.
13758 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
13760 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
13761 (get_issue_rate): Delete.
13762 * pa.h (ISSUE_RATE): Define.
13764 * configure.in: Turn on haifa by default for the PA.
13765 * configure: Rebuilt.
13766 * pa.c (override_options): Accept -mschedule=7200 option.
13767 (pa_adjust_cost): No longer need to scale costs for newer
13769 * pa.h (enum processor_type): Add PROCESSOR_7200.
13770 * pa.md: Revamp scheduling parameters to work better with
13771 haifa. Add scheduling parameters for the 7200.
13773 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
13775 (schedule_block): When adjusting basic_block_{head,end}, account
13776 for movement of SCHED_GROUP_P insns too.
13778 * haifa-sched.c (debug_dependencies): Fix thinko.
13780 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
13781 (site.exp, check, check-g++, check-gcc): New targets.
13783 * haifa-sched.c: Make lots of variables static.
13785 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
13787 * expr.h, real.h: Finish prototyping.
13789 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
13791 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
13792 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
13793 * reload1.c: Undo bugfix from Aug 11.
13795 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
13797 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
13798 quotes around the name.
13799 * configure: Regenerate.
13801 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
13803 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
13805 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
13807 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
13808 to sub-makes to avoid building more passes than the user might have
13809 requested on the command line.
13811 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
13813 * configure.in: Expurgate `broken_install' (install is
13816 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
13819 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
13821 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
13822 functions and declarations.
13823 (analyze_loop_iterations): Use condjump_p.
13824 (insert_bct): Likewise. Use exact_log2.
13826 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
13828 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
13829 (schedule_region): Likewise.
13830 (schedule_insns): Likewise.
13832 * PROJECTS: Update with Haifa stuff.
13834 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
13836 * version.c: Change the version string to look like:
13837 egcs-2.90.00 970814 (gcc2-970802 experimental).
13839 * loop.c (is_conditional_branch): Make definition match declaration.
13841 * gcc.c: Take out experimental snapshot warning message.
13843 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
13845 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
13846 print out the names of the notes. Print out the name of the insn
13847 that is not a note, and not an {,CALL_,JUMP_}INSN.
13849 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
13851 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
13852 again for the slot after we give it RTL.
13854 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
13856 * configure.in (haifa configury): Fix typo.
13857 * configure: Regenerate.
13859 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
13861 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
13863 * gcc.info*: Rebuilt.
13865 * COPYING.g77, README.g77: New files.
13866 * real.c (ereal_unto_float, ereal_unto_double): New functions.
13867 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
13868 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
13870 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
13872 * Integrate Haifa instruction scheduler.
13873 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
13874 to sched with $(SCHED_CFLAGS.
13875 * configure.in: Handle --enable-haifa.
13876 * configure: Rebuilt.
13877 * flags.h: Add new flags for haifa instruction scheduler.
13878 * genattrtab.c (expand_units): For haifa, don't subtract one
13879 when computing blockage.
13880 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
13881 (flag_schedule_speculative): Ditto.
13882 (flag_schedule_speculative_load): Ditto.
13883 (flag_schedule_speculative_load_dangerous): Ditto.
13884 (flag_schedule_reverse_before_reload): Ditto.
13885 (flag_schedule_reverse_after_reload): Ditto.
13886 (flag_branch_on_count_reg): Ditto.
13887 (f_options): Add Haifa switches.
13888 (main): Turn off some Haifa options if appropriate macro is
13889 defined. Process Haifa switches.
13890 * unroll.c (iteration_info): No longer static, since Haifa
13892 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
13893 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
13894 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
13895 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
13896 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
13897 storage for the Haifa scheduler.
13898 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
13900 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
13901 are defined, call analyze_loop_iterations and insert_bct to use
13903 (record_giv): Refine test for jumps out of loops if HAIFA is
13905 (analyze_loop_iterations): New function to identify if we can use
13907 (insert_bct): Insert countdown loop.
13908 (instrument_loop_bct): Low level code to insert countdown loop.
13909 (loop_number): Calculate UID of loop.
13910 (indirect_jump_in_function_p): Return true if an indirect jump is
13912 (is_power_of_2): Return true if value is a power of 2.
13913 (is_conditional_branch): Return true if insn is a conditional
13915 (fix_bct_param): Process -fbct-{min,max}-N switches.
13916 (check_bct_param): Return true if loop should be instrumented.
13917 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
13918 (loop_optimize): Initialize.
13919 (get_condition_for_loop): Ditto.
13920 * loop.c (strength_reduce): Inside of code that uses #ifdef
13921 HAVE_decrement_and_branch_on_count code, test it to make sure the
13923 (instrument_loop_bct): Ditto.
13924 * haifa-sched.c: New file.
13927 * Integrate regmove pass.
13928 * Makefile.in (OBJS): Add regmove.o
13929 (regmove.o): Add dependencies.
13930 * flow.c (find_use_as_address): No longer static.
13931 * rtl.h (find_use_as_address): Declare.
13932 * toplev.c (regmove_dump, flag_regmove): Define.
13933 (f_options): Add -fregmove.
13934 (regmove_dump_file, regmove_time): Define.
13935 (fatal_insn): Close the regmove dump file.
13936 (compile_file): Initialize regmove_time; open/close the regmove dump
13937 file as needed. Print regmove time as needed.
13938 (rest_of_compilation): Run regmove pass if requested, dump
13939 RTL after regmove if requested.
13940 (main): If -O2 or more, turn on regmove. Handle dump switches.
13941 * regmove.c: New file.
13943 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
13945 * Integrate tlink patch from jason@cygnus.com
13946 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
13947 (process_command): Increment n_switches for them. Don't discard
13948 their args. Validate them.
13949 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
13951 (process_command): Set include_prefixes from COMPILER_PATH.
13952 (main): Set COLLECT_GCC_OPTIONS sooner.
13953 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
13954 * tlink.c, hash.c, hash.h: New files.
13955 * Makefile.in (USE_COLLECT2): Always use collect2.
13956 (collect2): Depend on and link in hash.o and tlink.o.
13957 (tlink.o, hash.o): Add dependencies.
13959 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
13961 * Integrate alias analysis changes from jfc@mit.edu
13962 * Makefile.in (OBJS): Add alias.o
13963 (alias.o): Add dependencies.
13964 * alias.c: New file.
13965 * sched.c: Remove alias analysis code. It lives in alias.c now.
13966 (sched_analyze_2): Add new arguments to true_dependence.
13967 (schedule_insns): Always call init_alias_analysis.
13968 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
13969 mark return value from such functions as a pointer and keep track of
13970 them for alias analysis. If a return value from a function is a
13971 pointer, mark it as such.
13972 * combine.c (distribute_notes): Handle REG_NOALIAS.
13973 * cse.c (struct write_data): Delete. No longer needed.
13974 (invalidate): Don't call set_nonvarying_address_components anymore.
13975 Use true_dependence to decide if an entry should be removed from
13977 (invalidate_memory): Remove WRITES argument, simplify appropriately.
13979 (note_mem_written): Similarly for WRITE_PTR argument.
13980 (invalidate_from_clobbers): Similarly for W argument.
13981 (invalidate_for_call): Remove memory elements from the hash table.
13982 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
13983 (cse_rtx_varies_p): New function. Derived from old
13984 cse_rtx_addr_varies_p.
13985 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
13986 Don't call note_mem_written anymore. Stack pushes invalidate the stack
13987 pointer if PUSH_ROUNDING is defined. No longer need to call
13988 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
13989 (skipped_writes_memory): Remove variable.
13990 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
13991 (invalidate_skipped_block): Simplify for new alias analysis code.
13992 (cse_set_around_loop): Likewise.
13993 (cse_main): Call init_alias_analysis.
13994 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
13995 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
13996 (f_options): Add new alias checking arguments.
13997 (main): Set flag_alias_check when optimizing.
13998 * local_alloc (validate_equiv_mem_from_store): Add new arguments
13999 to true_dependence.
14000 (memref_referenced_p): Likewise.
14001 * loop.c (NUM_STORES): Increase to 30.
14002 (prescan_loop): Only non-constant calls set unknown_address_altered.
14003 (invariant_p): Add new arguments to true_dependence.
14004 (record_giv): Initialize unrolled and shared fields.
14005 (emit_iv_add_mult): Call record_base_value as needed.
14006 * loop.h (struct induction): Add unrolled and shared fields.
14007 * unroll.c (unroll_loop): Call record_base_value as needed.
14008 (copy_loop_body): Likewise.
14009 (final_biv_value): Likewise.
14010 (final_giv_value): Likewise.
14011 (find_splittable_regs): Likewise. Only create one new pseudo
14012 if we have multiple address GIVs that were combined with the same
14013 dst_reg GIV. Note when a new register is created due to unrolling.
14014 * rtl.c (reg_note_name): Add REG_NOALIAS.
14015 * rtl.h (enum reg_note): Similarly.
14016 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
14017 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
14018 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
14019 (true_dependence, read_dependence, anti_dependence): Likewise.
14020 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
14021 (mark_user_reg, mark_reg_pointer): Likewise.
14024 * Integrate reload bugfix from Wilon which enables the PA port
14025 to bootstrap again.
14026 * reload1.c (reload): Sum needs for both OPADDR_ADDR and
14027 OPERAND_ADDRESS when computing how many registers an insn needs.
14028 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
14030 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
14031 OPADDR_ADDR reload.
14032 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
14033 in reload_reg_use_in_op_addr do not reach the end.
14034 do not reach the end.
14035 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
14036 RELOAD_FOR_OPERAND_ADDRESS.
14038 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
14040 * egcs project officially starts.
14043 add-log-time-format: current-time-string