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Lotsa sparc stuff.
[gcc.git] / gcc / ChangeLog
CommitLineData
2d5b6dea
GK		 1Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2
3 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
4
f0a9fa6c
DE		 5Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
6
7 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
8 (DEFAULT_ARCH32_P): New macro.
9 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
10 (enum cmodel): Declare.
11 (sparc_cmodel_string,sparc_cmodel): Declare.
12 (SPARC_DEFAULT_CMODEL): Provide default.
13 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
14 (TARGET_FULLANY): Deleted.
15 (TARGET_CM_MEDMID): New macro.
16 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
17 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
18 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
19 (CPP_SPEC): Rewrite.
20 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
21 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
22 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
23 (ASM_SPEC): Add %(asm_arch).
24 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
25 Rename asm_default to asm_cpu_default.
26 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
27 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
28 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
29 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
30 (MASK_INT64,MASK_LONG64): Delete.
31 (MASK_ARCH64): Renamed to MASK_64BIT.
32 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
33 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
34 (TARGET_SWITCHES): Always provide 64 bit options.
35 (ARCH64_SWITCHES): Delete.
36 (TARGET_OPTIONS): New option -mcmodel=.
37 (INT_TYPE_SIZE): Always 32.
38 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
39 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
40 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
41 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
42 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
43 CPP_SPEC.
44 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
45 * sparc/linux.h: Likewise.
46 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
47 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
48 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
49 (SPARC_DEFAULT_CMODEL): Define.
50 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
51 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
52 (LONG_DOUBLE_TYPE_SIZE): Define.
53 (ASM_SPEC): Add %(asm_arch).
54 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
55 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
56 (TARGET_CPU_DEFAULT): Add ultrasparc case.
57 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
58 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
59 (SPARC_DEFAULT_CMODEL): Define.
60 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
61 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
62 MASK_LONG64, MASK_MEDANY.
63 (SPARC_DEFAULT_CMODEL): Define.
64 (CPP_PREDEFINES): Delete.
65 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
66 (ASM_SPEC): Add %(asm_arch).
67 (LONG_DOUBLE_TYPE_SIZE): Define.
68 (DWARF2_DEBUGGING_INFO): Define.
69 * sparc/splet.h (CPP_SPEC): Delete.
70 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
71 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
72 (BLOCK_PROFILER): Likewise.
73 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
74 (sparc_override_options): Handle code model selection.
75 (sparc_init_expanders): Renamed from sparc64_init_expanders.
76 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
77 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
78 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
79 (sethi_di_fullany): Delete.
80
a3b0df2d
KK		 81Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
82 Jeff Law <law@cygnus.com>
83 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
84
3a133c72
KK		 85 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
86 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
87 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
88 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
89 * alpha/alpha.md (arg_home): Likewise.
90
a3b0df2d
KK		 91 * alpha/alpha.c (vmskrunch): Delete
92 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
93 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
94 truncate to 64 characters.
95
96 * make-l2.com: Support openVMS/Alpha.
97
98 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
99
7d4f2e6c
R		 100Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
101
102 * longlong.h (count_leading_zeros): Add missing casts to USItype.
103
decd44ac
JL		 104Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
105
106 * i386/bsd386.h (ASM_COMMENT_START): Define.
107
d1485032
JM		 108Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
109
110 * tree.c (restore_tree_status): Also free up temporary storage
111 when we finish a toplevel function.
112 (dump_tree_statistics): Print stats for backend obstacks.
113
6bd35f86
DE		 114Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
115
116 * expr.c (use_group_regs): Don't call use_reg for MEMs.
117
d1485032
JM		 118Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
119
120 * libgcc2.c (__throw): Don't copy the return address.
121 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
122
123 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
124 * toplev.c (main): Initialize exceptions_via_longjmp.
125
126 * tree.c: Add extra_inline_obstacks.
127 (save_tree_status): Use it.
128 (restore_tree_status): If this is a toplevel inline obstack and we
129 didn't want to save anything on it, recycle it.
130 (print_inline_obstack_statistics): New fn.
131 * function.c (pop_function_context_from): Pass context to
132 restore_tree_status.
133 * obstack.h (obstack_empty_p): New macro.
134
6981eacf
JL		 135Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
136
137 * i386/freebsd.h (ASM_COMMENT_START): Fix.
138
1933ec7e
JW		 139Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
140
141 * v850.c (ep_memory_offset): New function.
142 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
143
144 * v850.h (CONST_OK_FOR_*): Add and correct comments.
145 (CONSTANT_ADDRESS_P): Add comment.
146 (EXTRA_CONSTRAINT): Define 'U'.
147 * v850.md: Add comments on bit field instructions.
148 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
149 (lshrsi3): Use N not J constraint.
150
151 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
152
153 * v850.c (reg_or_0_operand): Call register_operand.
154 (reg_or_int5_operand): Likewise.
155 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
156 (TARGET_SWITCHES): Add "big-switch".
157 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
158 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
159 (CASE_DROPS_THROUGH): Comment out.
160 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
161 * v850.md (cmpsi): Delete compare mode.
162 (casesi): New pattern.
163
164 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
165 * v850.md (ashlsi3): Use SImode not QImode for shift count.
166 (lshrsi3): Likewise.
167
168 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
169 unreachable switch statement after 'b' support. Remove "b" from
170 strings for 'b' support.
171 * v850.md (branch_normal, branch_invert): Change %b to b%b.
172
13c2de98
JL		 173Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
174
175 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
176 empty line if @inhibit_libc@ is empty.
177
b2167bee
RL		 178Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
179
180 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
181 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
182 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
183 (DWARF2_UNWIND_INFO): Let this track object file format.
184 (EXTRA_SECTIONS): Add in_eh.
185 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
186 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
187
bf2a2c6b
DM		 188Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
189
190 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
da2a90f7
DM		 191 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
192 TARGET_MEDANY.
f4f8e370
DE		 193 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
194 (output_double_int): Output DI mode values correctly when
195 HOST_BITS_PER_WIDE_INT is 64.
9d162eb2
DE		 196 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
197 fmovd so it works if a quad float ends up in one of the upper 32
198 float regs.
7e37212e
DM		 199 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
200 necessary for PIC support on sparc64.
bf2a2c6b 201
9ff84e67
DE		 202Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
203
204 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
205 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
206 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
207 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
208 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
209 (SPARC_FP_ARG_FIRST): New macro.
210 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
211 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
212 (NPARM_REGS): There are 32 fp argument registers now.
213 (FUNCTION_ARG_REGNO_P): Likewise.
214 (FIRST_PARM_OFFSET): Update to new v9 abi.
215 (REG_PARM_STACK_SPACE): Define for arch64.
216 (enum sparc_arg_class): Delete.
217 (sparc_arg_count,sparc_n_named_args): Delete.
218 (struct sparc_args): Redefine and use for arch32 as well as arch64.
219 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
220 (FUNCTION_ARG_ADVANCE): Rewrite.
221 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
222 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
223 (FUNCTION_ARG_CALLEE_COPIES): Delete.
224 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
225 (STRICT_ARGUMENT_NAMING): Define.
226 (doublemove_string): Declare.
227 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
228 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
229 (doublemove_string): New function.
230 (output_move_quad): Clean up some of the arch64 support.
231 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
232 Don't add 8 bytes of reserved space if arch64.
233 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
234 (init_cumulative_args): New function.
235 (function_arg_slotno): New static function.
236 (function_arg,function_arg_partial_nregs): New functions.
237 (function_arg_{pass_by_reference,advance}): New functions.
238 (function_arg_padding): New function.
c1215820 239 * ginclude/va-sparc.h: Rewrite v9 support.
9ff84e67 240
b8fb2d72
CI		 241Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
242
f22376c7
CI		 243 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
244 for hard regs to determine base and index registers.
245
b8fb2d72
CI		 246 * reload.c (debug_reload_to_stream): New function. Specify stream
247 into which to write debug info.
248 (debug_reload): Modify to call debug_reload_to_stream with stderr.
249
b79ee7eb
RH		 250Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
251
252 * combine.c (can_combine_p): Don't combine with an asm whose
253 output is a hard register.
254
5c19a356
MS		 255Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
256
257 * c-decl.c (start_struct): Ensure that structs with forward
258 declarations are in fact packed when -fpack-struct is given.
259
260 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
261 we are packing a structure. This allows a structure with only
262 bytes to be aligned on a byte boundary and have no padding on a
263 m68k.
264
02bef6da
RK		 265Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
266
267 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
268
9ecc37f0
RH		 269Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
270
271 * alpha.c (alpha_return_addr_rtx): New variable.
272 (alpha_save_machine_status): New; save it.
273 (alpha_restore_machine_status): New; restore it.
274 (alpha_init_expanders): New; clear it.
275 (alpha_return_addr): New; set it.
276 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
277 is overly conservative, so search the insns explicitly.
278 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
279 (alpha_sa_size [VMS && !VMS]): Likewise.
280 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
281 (INIT_EXPANDERS): New definition.
282
283 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
284 (output_prolog [!VMS]): Use them.
285
286 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
287 (alpha_does_function_need_gp): ... a new function. Refine the
288 CALL_INSN test to just TYPE_JSR.
289 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
290
bda2ffef
JL		 291Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
292
293 * version.c: Bump for snapshot.
294
96b63cd7
RK		 295Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
296
297 * pa.c (move_operand): Respect -mdisable-indexing.
298 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
299
f192bf8b
DE		 300Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
301
302 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
303 PPC601.
304 (umulsidi3,umulsi3_highpart): Ditto.
305 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
306
2ea844d3
RH		 307Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
308
309 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
310 (alpha_handle_trap_shadows): ... a new function. Handle the entire
311 function in one go. Emit RTL for trapb, instead of printf directly.
312 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
313 (trap_pending): Kill global variable.
314 (output_epilog): Don't call final_prescan_insn.
315 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
316 * alpha.h (FINAL_PRESCAN_INSN): Remove.
317 (MACHINE_DEPENENT_REORG): Define.
318 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
319 (trapb): New insn.
320
74835ed8
RH		 321Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
322
323 Tune Haifa scheduler for Alpha:
324 * alpha.h (ISSUE_RATE): Define.
325 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
326 EV4 adjustments to EV5.
327 * alpha.md: Remove all scaling from function unit delays. Rework
328 EV5 function units to match the CPU.
329 (umuldi3_highpart): EV5 added the IMULH insn class.
330
cdc0de30
JL		 331Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
332
333 * pa.c (following_call): Fail if the CALL_INSN is an indirect
334 call.
335
041c97f2
MM		 336Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
337
338 * cplus-dem.c (demangle_signature): Don't look for return types on
339 constructors. Handle member template constructors.
340
f0632762
JM		 341Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
342
343 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
22ef8a13 344 * tree.h: Declare them.
f0632762 345
dec88383
DE		 346Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
347
348 * configure.in: Handle --with-newlib.
349 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
350
351 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
352
0e1f3f5e
JL		 353Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
354
355 * config/ptx4.h: Fix typo.
356
12504ae0
JL		 357Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
358
359 * version.c: Bump for snapshot.
360
5643c767
MH		 361Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
362
363 * aclocal.m4: Substitute INSTALL.
364 * configure: Re-built.
365
aa0c1401
JL		 366Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
367
f644bd14
JL		 368 * integrate.c (save_for_inline_copying): Avoid undefined pointer
369 operations.
370 (expand_inline_function): Likewise.
371
aa0c1401
JL		 372 * dwarf2out.c (output_call_frame_info): Reinstate last change
373 using flag_debug_asm check instead of flag_verbose_asm.
374
6c2df6c9
JW		 375Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
376
377 * dwarf2out.c (output_call_frame_info): Remove last change.
378
13ab2b83
AS		 3791997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
380
381 * frame.c (__frame_state_for): Execute the FDE insns until the
382 current pc value is strictly bigger than the target pc value.
383
066c2fea
JM		 384Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
385
386 * regclass.c (init_reg_modes): If we can't find a mode for the
387 register, use the previous one.
388
2f308fec
RH		 389Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
390
391 * haifa-sched.c (print_block_visualization): Call fprintf directly,
392 don't sprintf through an alloca'ed buffer.
393
43984e29
TK		 394Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
395
396 * reload.c (decompose): Always initialize val.base.
397
e9e30253
MH		 398Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
399
400 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
401 instead of aborting.
402 * dwarf2out.c (output_call_frame_info): Call app_enable and
403 app_disable to let GNU as accept the generated comments.
404
496651db
MM		 405Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
406
407 * tree.h (get_file_function_name): Add declaration.
408 * dwarf2out.c (output_call_frame_info): No need to cast
409 get_file_function_name call anymore.
410 * profile.c (toplevel): Remove get_file_function_name
411 declaration.
412 * c-lang.c (finish_file): Ditto.
413
e6347456
CS		 414Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
415
416 * Makefile.in (program_transform_name): Let autoconf substitute
417 the correct value.
418
1447b516
JL		 419Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
420
421 * haifa-sched.c (schedule_block): If the first real insn in a
422 block has any special notes attached to it, remove them.
423
1a42ead7
RH		 424Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
425
426 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
427
4b6140f1
MH		 428Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
429
430 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
431
dc84d7bc
JL		 432Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
433
434 * Makefile.in (check-g77): New test target.
435 (CHECK-TARGETS): Add check-g77.
436
c0da11c4
JM		 437Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
438
439 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
440
d8d64559
MM		 441Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
442
443 * flow.c (print_rtl_with_bb): Cast alloca return value for
444 in_bb_p.
445
e414ab29
RH		 446Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
447
448 * i386.h (RETURN_ADDR_RTX): New definition that works for
449 __builtin_return_address(0) and -fomit-frame-pointer.
450
15039abe
JW		 451Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
452
453 Bring over from FSF.
454 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
455
456 * mips.c (function_arg): Handle passing a struct
457 containing a double in a DFmode register without the PARALLEL.
458
281de624
ILT		 459Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
460
d8d64559 461 * pexecute.c: Use spawn if __CYGWIN32__.
281de624 462
d8d64559 463 * pexecute.c: Include "config.h" first, as per autoconf manual
281de624
ILT		 464 (from Paul Eggert <eggert@twinsun.com>).
465
3cbdd5fc
PDM		 466Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
467
468 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
469 optimisation for f/expr.o and f/stb.o.
470
135d84b8
JL		 471Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
472
473 * cse.c (this_insn_cc0_mode): Initialize.
474
55d89719
TK		 475Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
476
d3878e49
TK		 477 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
478
479 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
55d89719 480
e9d0757e
RH		 481Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
482
483 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
484 that pair will dual-issue on the 21164 and plus+beq won't.
485 (bne): Likewise for cmpeq+beq.
486
3f34faec
JW		 487Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
488
489 * except.c (find_exception_handler_labels): Correct argument to free.
490
3226dac5 491Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
988cea7d
BK		 492
493 * except.c (find_exception_handler_labels): Free LABELS when we're
494 done.
495
3a6eabfa
JL		 496Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
497
498 * version.c: Bump for snapshot.
499
974c50f9
JM		 500Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
501
502 * flow.c (find_basic_blocks): Mark calls as potentially jumping
503 to the EH labels.
504
9b16d2c4
JL		 505Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
506
507 * configure.in: Substitute for "install" too.
508 * configure: Rebuilt.
509
b1e3ddfd
AJ		 510Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
511
512 * Makefile.in (bootstrap-lean, compare-lean): New targets.
513
6662a38d
RH		 514Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
515
c02f035f
RH		 516 * alias.c (base_alias_check): Two symbols can conflict if they
517 are accessed via AND.
518 (memrefs_conflict_p): Likewise.
519
7a14fdc5
RH		 520 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
521 after flushing argument registers to the stack.
522
6662a38d
RH		 523 * Makefile.in (mostlyclean): Remove .regmove files.
524
f3447109
JM		 525Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
526
527 * libgcc2.c (__throw): Fix thinko.
528
37f6b6bf
MM		 529Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
530
531 * cplus-dem.c (demangle_template): Add new parameter. Handle new
532 template-function mangling.
533 (consume_count_with_underscores): New function.
534 (demangle_signature): Handle new name-mangling scheme.
535
adfc539e
PDM		 536Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
537
538 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
539 start and end.
540
92cbe4d2
JL		 541Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
542
543 * frame.c: Remove last change.
544 * dwarf2.h: Remove last change.
545 * tree.h: Add declarations of DWARF2 unwind info support
546 functions.
547
2f3ca9e7
JM		 548Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
549
550 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
551 * tree.h (built_in_function): Likewise.
552 * expr.c (expand_builtin): Likewise.
553 * except.h: Likewise.
554 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
555 * libgcc2.c (copy_reg): New fn.
556 (__throw): Use it.
557
407cb092
PE		 558Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
559
560 * c-typeck.c (build_binary_op): Warn about comparing signed vs
561 unsigned if -W is specified and -Wno-sign-compare is not.
562 * c-decl.c (warn_sign_compare): Initialize to -1.
563 (c_decode_option): -Wall no longer implies -Wsign-compare.
564
3ba10494
AS		 565Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
566
a7cc7f29
AS		 567 * frame.c: Include gansidecl.h for PROTO.
568 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
569 defined. Don't declare dwarf2out_cfi_label here.
570 * dwarf2.h: Add declarations of DWARF2 unwind info support
571 functions.
572 * m68k.c: Include dwarf2.h.
573 (output_function_prologue): Add dwarf2 support.
574 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
575 (INCOMING_FRAME_SP_OFFSET): Likewise.
576
3ba10494
AS		 577 * integrate.c (expand_inline_function): Make sure there is at
578 least one insn that can be used as an insertion point.
579
c5cec899
JM		 580Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
581
582 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
583
e166cb18
JL		 584Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
585
586 * version.c: Bump for snapshot.
587
01a94cba
DE		 588Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
589
590 Bring over from FSF.
591
592 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
593
594 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
595 (get_pc_via_rdpc): Renamed from get_pc_sp64.
596 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
597
598 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
599
600 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
601 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
602 -malign-functions=.
603 (sparc_align_{loops,jumps,funcs}_string): Declare.
604 (sparc_align_{loops,jumps,funcs}): Declare.
605 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
606 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
607 (STACK_BIAS): Define.
608 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
609 test.
610 (SPARC_SETHI_P): New macro.
611 (CONST_OK_FOR_LETTER_P): Use it.
612 (ASM_OUTPUT_ALIGN_CODE): Define.
613 (ASM_OUTPUT_LOOP_ALIGN): Define.
614 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
615 (sparc_align_{loops,jumps,funcs}): New globals.
616 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
617 -malign-functions=.
618 (move_operand): Use SPARC_SETHI_P.
619 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
620 perform test.
621 (arith11_double_operand): Likewise.
622 (arith10_double_operand): Likewise.
623 (finalize_pic): Finish sparc64 support.
624 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
625 64 bit constants if able.
626 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
627 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
628 ! TARGET_FPU.
629 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
630 (get_pc_sp32): Use for sparc64 as well.
631 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
632 (sethi_di_sp64_const): Likewise.
633 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
634 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
635 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
636
637 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
638
639 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
640 * sparc/linux.h (COMMENT_BEGIN): Likewise.
641 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
642
643 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
644
645 Add sparc64 linux support.
646 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
647 to xm_file list on 32-bit sparc-linux.
648 * sparc/xm-sp64.h: New file.
649 * sparc/linux64.h: New file.
650 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
651 Don't include xm-sparc.h.
652 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
653 * glimits.h (LONG_MAX): Handle sparc64.
654
655 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
656
657 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
658 * sparc.h (ASM_COMMENT_START): Define.
659 * sparc.c (output_function_prologue): Use it.
660 (sparc_flat_output_function_{epi,pro}logue): Likewise.
661
662 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
663
664 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
665 use sparc.h's copies.
666 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
667 ascii form as well.
668
669 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
670
671 * sparc.c (dwarf2out_cfi_label): Add declaration.
672 (save_regs, output_function_prologue): Remove cast for it.
673 (sparc_flat_{save_restore,output_function_prologue): Likewise.
674 ({save,restore}_regs): No longer inline.
675
ce2157a1
JL		 676Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
677
678 * fold-const.c (make_range): Correctly handle cases of converting
679 from unsigned to signed type.
680
681Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
682
683 * fold-const.c (merge_ranges): Make sure that if one range is subset
684 of another, it will always be the second range. Correct (+,-) case to
685 account for this.
686
c5cec899
JM		 687Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
688
689 * final.c (final_end_function): Also do dwarf2 thing if
690 DWARF2_DEBUGGING_INFO.
691 (final_start_function): Likewise.
692
c107334d
DM		 693Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
694
e13a25d5
DM		 695 * expmed.c (expand_divmod): If compute_mode is not the same as
696 mode, handle the case where convert_modes() causes op1 to no
697 longer be a CONST_INT.
698
c107334d
DM		 699 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
700 note holding get_jump_flags() calculation to all JUMP_INSNs.
701 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
702 * rtl.c (reg_note_name): Add new note types.
703
8d7532d9
JL		 704Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
705
0774afd7 706 * rtlanal.c (computed_jump_p): Fix typo in last change.
8d7532d9 707
7019d00e
L		 708Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
709
710 * loop.c (indirect_jump_in_function_p): Return 0
711 by default.
712
b9dfb357
JL		 713Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
714
715 * rs6000/xm-rs6000.h: Fix thinko in last change.
716 * rs6000/xm-sysv4.h: Likewise.
717
4b7e467b
JW		 718Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
719
720 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
721
8c8e6faa
JL		 722Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
723
724 * reg-stack.c (find_blocks): Fix thinko in last change.
725
078e983e
AS		 7261997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
727
728 * m68k.c (output_function_prologue): Add dwarf2 support.
729
730 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
731 INCOMING_FRAME_SP_OFFSET): New definitions.
732
d7027667
DM		 733Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
734
9524f769
DM		 735 * combine.c (try_combine): Use NULL_RTX instead of '0' where
736 appropriate in calls to gen_rtx().
737 * cse.c (cse_main): Likewise.
738 * emit-rtl.c (gen_label_rtx): Likewise.
739 * expr.c (init_expr_once): Likewise.
740 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
741 sched_analyze, init_rgn_data_dependences,
742 compute_block_backward_dependences): Likewise.
743 * sched.c (schedule_insns): Likewise.
744 * varasm.c (immed_double_const): Likewise.
745
d7027667
DM		 746 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
747 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
748
fbf8b71c
KJ		 749Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
750
751 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
752 (MULTILIB_DEFAULTS): Define.
753 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
754 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
755 (LIBGCC_SPEC): Likewise.
756 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
757 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
758 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
759 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
760 (EXTRA_PARTS, TAROUTOPTS): Delete.
761 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
762 (MULTILIB_OPTIONS): Define.
763 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
764 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
765
c14a951f
JL		 766Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
767
768 * version.c: Bump for snapshot.
769
7014927a
JL		 770Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
771
37aa45a2
JL		 772 * loop.c (loop_number): Delete function. Change all references
773 to use uid_loop_num array.
774 * loop.h (loop_number): Delete declaration.
775 * unroll.c (unroll_loop): Change "loop_number" references to
776 use uid_loop_num instead.
777
b47404d1
JL		 778 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
779 conditional.
780 (loop_unroll_iter): Remove unused variable and all references.
781 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
782 (insert_bct): Fix minor formatting problems.
783 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
784 (loop_unroll_iter): Removed unused decl.
785 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
786 Always record the unrolling factor.
787
cb3bb2a7
JL		 788 * cse.c (simplify_relational_operation): Set h0u just like h0s.
789 Similarly for h1u and h1s.
790
d5ff3a2e 791 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
2a1777af
JL		 792 (find_basic_blocks): Use computed_jump_p to determine if a
793 particular JUMP_INSN is a computed jump.
794 * reg-stack.c (find_blocks): Use computed_jump_p to determine
795 if a particular JUMP_INSN is a computed jump.
796 * rtlanal.c (jmp_uses_reg_or_mem): New function.
797 (computed_jump_p): Likewise.
798 * rtl.h (computed_jump_p): Declare.
799 * genattrtab.c (pc_rtx): Define and initialize.
800 * loop.c (loop_optimize): Always determine if the current
801 function has a computed jump.
802 (indirect_jump_in_function_p): Use computed_jump_p to determine
803 if a particular JUMP_INSN is a computed jump.
804
7014927a
JL		 805 * loop.c (fix_bct_param): Delete unused function.
806 (check_bct_param): Likewise.
807
6d53d7c2
JM		 808Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
809
810 * frame.c (__deregister_frame): Check properly for initialized object.
811
5a5e9503 812Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
71e4fbe6
L		 813
814 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
815
272299b9
R		 816Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
817
cc5e1642
R		 818 * jump.c (thread_jumps): check can_reverse_comparison_p before
819 threading a reversed-condition jump.
820
272299b9
R		 821 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
822 * haifa-sched.c (update_flow_info): Likewise.
823
18511014
JL		 824Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
825
e6493727
JL		 826 * Makefile.in (BOOT_CFLAGS): Use -O2.
827
1e467e19
JL		 828 * configure.in (strtoul, bsearch): Have autoconf check for these
829 functions.
830 * configure, config.in: Rebuilt.
831
18511014
JL		 832 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
833 * mips/mips.h (alloca): Likewise.
834 * rs6000/xm-rs6000.h (alloca): Likewise.
835 * rs6000/xm-sysv4.h: Likewise.
836
6020d360
JM		 837Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
838
839 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
840 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
841 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
842
843 * except.c (end_eh_unwinder): Subtract 1 from return address.
844 * libgcc2.c (__throw): Likewise.
845 (find_exception_handler): Don't change PC here. Compare end with >.
846
b24bcfb3
NC		 847Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
848
849 * v850.c (compute_register_save_size): Correct register
850 number.
851 * v850.md (save_interrupt, return_interrupt): Correct
852 register number.
853 * v850/lib1funcs.asm (save_interrupt): Correct register number.
854 (return_interrupt): Use stack pointer, not element pointer.
855
93cf819d
BK		 8561997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
857
858 * configure.in, configure: Make sure to create the stage* and include
859 symbolic links in each subdirectory.
860
f0501149
JL		 861Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
862
863 * pa.md (reload_peepholes): Don't allow addresses with side
864 effects for the memory operand.
865
4f870c04
JM		 866Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
867
868 * libgcc2.c (find_exception_handler): Subtract one from our PC when
869 looking for a handler, to avoid hitting the beginning of the next
870 region.
871
872 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
873
4eb66248
JL		 874Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
875
876 * mips/abi64.h (LONG_MAX_SPEC): Define.
877 * mips.h (LONG_MAX_SPEC): Define.
878 (CPP_SPEC): Include long_max_spec.
879 (EXTRA_SPECS): Include long_max_spec.
880
44158507
JL		 881Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
882
883 * v850.c (construct_save_jarl): Fix thinko in last change.
884
bf520cd9
JL		 885Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
886
887 * version.c: Bump for snapshot.
888
255fe733
JM		 889Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
890
c0727e2a
JM		 891 * libgcc2.c (find_exception_handler): Not found is -1.
892
255fe733
JM		 893 * integrate.c (expand_inline_function): Move expand_start_bindings
894 after expanding the arguments.
895
21002281
JW		 896Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
897
898 * expr.c (expand_expr): Remove previous incorrect change.
899 If target and slot has no DECL_RTL, then call mark_addressable
900 again for the slot after we give it RTL.
901
e693cc28 902Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
f633220c 903
e693cc28
UD		 904 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
905 again for the slot after we give it RTL.
f633220c 906
145870b5
NC		 907Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
908
84e75068 909 * v850.c (register_is_ok_for_epilogue,
145870b5
NC		 910 pattern_is_ok_for_epilogue, construct_restore_jr,
911 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
912
84e75068 913 * v850.h (pattern_is_ok_for_prologue,
145870b5
NC		 914 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
915 predicates.
916
84e75068 917 * v850.md: Replace prologue and epilogue patterns with a
145870b5
NC		 918 match_parallel pattern.
919
76143254
JL		 920Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
921
922 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
923 * configure.in: Use EGCS_PROG_INSTALL.
924
4401bf24
JL		 925Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
926
927 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
928 extern inline function.
929
930Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
931
932 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
933 (concat_loc_descriptor): New function.
934 (loc_descriptor): Call it.
935 (add_AT_location_description): Also elide the descriptor if both
936 halves of a CONCAT are pseudos.
937 (add_location_or_const_value_attribute): Recognize CONCAT too.
938
0d24ff5d
RH		 939Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
940
4bb43724
RH		 941 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
942
0d24ff5d
RH		 943 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
944 out-or-range reg_offset.
945 (output_epilog): Likewise.
946
05ef8897
JL		 947Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
948
949 * cse.c (simplify_relational_operation): If MODE specifies a
950 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
951 is derived from the sign bit of the low word.
952
ca55abae
JM		 953Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
954
955 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
956
957 * dwarf2.h: Add DW_CFA_GNU_args_size.
958 * frame.c (execute_cfa_insn): Likewise.
959 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
960 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
961 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
962 insn, hand it off to dwarf2out_stack_adjust.
963 (dwarf2out_begin_prologue): Initialize args_size.
964 * frame.h (struct frame_state): Add args_size.
965 * libgcc2.c (__throw): Use args_size.
966 * final.c (final_scan_insn): If we push args, hand off all insns
967 to dwarf2out_frame_debug.
968 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
969
970 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
971 Handle epilogue restore of SP from FP.
972 * emit-rtl.c (gen_sequence): Still generate a sequence if the
973 lone insn has RTX_FRAME_RELATED_P set.
974
975 * frame.c (extract_cie_info): Handle "e" augmentation.
976 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
977 absence of UNALIGNED_*_ASM_OP.
978 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
979 (output_call_frame_info): Use "e" instead of "z" for augmentation.
980 Don't emit augmentation fields length.
981 (dwarf2out_do_frame): Move outside of #ifdefs.
982 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
983 opcodes.
984
985 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
986 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
987 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
988 * sparc/sun4gas.h: New file.
989 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
990
991 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
992 __register_frame_table and __deregister_frame.
993
1d77fa53
BK		 9941997-09-15 Brendan Kehoe <brendan@cygnus.com>
995
996 * except.c (find_exception_handler_labels): Use xmalloc instead of
997 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
998 in some cases.
999
8be52aaa
JL		 1000Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
1001
1002 * Makefile.in: Various changes to build info files
1003 in the object tree rather than the source tree.
1004
a3ee3246
JL		 1005Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
1006
1007 * fixinc.math: New file to fix math.h on some systems.
1008 * configure.in (freebsd, netbsd): Use fixinc.math on these
1009 systems.
1010 * configure: Rebuilt.
1011
124da275
JL		 1012Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
1013
1014 * regmove.c (regmove_optimize): If we end up moving the
1015 original insn due to lifetime overlaps, make sure to move
1016 REG_NOTES too.
1017
fca9d4b0
MH		 1018Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
1019
1020 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
1021
326ee7a3
JL		 1022Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
1023
1024 * haifa-sched.c (add_branch_dependences): Make each insn in
1025 a SCHED_GROUP_P block explicitly depend on the previous insn.
1026
ca55abae
JM		 1027Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1028
1029 * except.h: Prototype dwarf2 hooks.
1030 * expr.c: Adjust.
1031
5188d2b2
JW		 1032Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
1033
1034 * configure.in (native_prefix): Delete.
1035 (mips-dec-netbsd): Don't set prefix.
1036 (*linux*): Don't set prefix.
1037
2e384318
FF		 1038Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
1039
70988851
FF		 1040 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
1041 defined. If not defined, include <sys/varargs.h> if
1042 HAVE_SYS_VARARGS_H is defined.
1043 * configure.in: Test for varargs.h and sys/varargs.h.
1044 * configure: Regenerate with autoconf.
1045 * config.in: Regenerate with autoheader.
1046
2e384318
FF		 1047 * cpplib.c (quote_string): Cast first arg of sprintf call
1048 from "unsigned char *" to "char *".
1049 (output_line_command): Ditto.
1050 (macroexpand): Ditto.
1051 (do_line): Cast atoi arg from "unsigned char *" to "char *".
1052
3fb2f401
JL		 1053Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
1054
f2e4e16f
JL		 1055 * version.c: Bump for snapshot.
1056
3fb2f401
JL		 1057 * Makefile.in (compare): Exit with nonzero status if there
1058 are comparison failures. Note which files failed the
1059 comparison test in .bad_compare.
1060
d26cb668
L		 1061Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1062
1063 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
1064
ac64120e
JW		 1065Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
1066
1067 * Makefile.in (LN, LN_S): New macros, use where appropriate.
1068 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
1069 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
1070 * configure: Regenerated.
1071
1072Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
1073
1074 * loop.c (strength_reduce): Fix typo.
1075
db87ec0b
JW		 1076Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
1077
1078 * m88k/m88k.c (struct option): Rename to struct options.
1079 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
1080 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
1081 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
1082 __DOLPHIN__ or sysV88.
1083
04395f96
JW		 1084Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
1085
1086 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
1087 create new subreg.
1088
becdcf6d
JL		 1089Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
1090
1091 * config.sub: Accept 'amigados' for backward compatability.
1092
04395f96 1093Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3979dfb8
JW		 1094
1095 * Makefile.in (testsuite/site.exp): New target.
1096 (check-gcc, check-g++): Depend on testsuite/site.exp.
1097 Don't stop for failure.
1098
ca55abae
JM		 1099Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
1100
1101 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
1102 if DWARF2_UNWIND_INFO.
1103
1104Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
1105
1106 Add support for exception handling using DWARF 2 frame unwind info.
1107 Currently works on SPARC and MIPS, and almost on x86.
1108
1109 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
1110 next_stack_level, in_reg_window): Helper fns.
1111 (__throw): Implement for DWARF2_UNWIND_INFO.
1112
1113 * expr.c (expand_builtin): Handle builtins used by __throw.
1114 * tree.h (enum built_in_function): Add builtins used by __throw.
1115 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
1116 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
1117 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
1118 (expand_builtin_extract_return_addr): Likewise.
1119 (expand_builtin_frob_return_addr): Likewise.
1120 (expand_builtin_set_return_addr_reg): Likewise.
1121 (expand_builtin_eh_stub): Likewise.
1122 (expand_builtin_set_eh_regs): Likewise.
1123 (eh_regs): Choose two call-clobbered registers for passing back values.
1124
1125 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
1126 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
1127 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
1128 (stmp-multilib): Likewise.
1129 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
1130
1131 * except.c: #include "defaults.h".
1132 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
1133 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
1134 (register_exception_table_p): New fn.
1135 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
1136 (end_eh_unwinder): Likewise.
1137
1138 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
1139 call __register_frame and __deregister_frame as needed.
1140 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
1141 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
1142 EH_FRAME_SECTION_ASM_OP.
1143 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
1144 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
1145 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
1146
1147 * dwarf2out.c (output_call_frame_info): If no support for
1148 EXCEPTION_SECTION, mark the start of the frame info with a
1149 collectable tag.
1150 * collect2.c (frame_tables): New list.
1151 (is_ctor_dtor): Recognise frame entries.
1152 (scan_prog_file): Likewise.
1153 (main): Pass -fno-exceptions to sub-compile. Also do collection
1154 if there are any frame entries.
1155 (write_c_file_stat): Call __register_frame_table and
1156 __deregister_frame as needed.
1157 (write_c_file_glob): Likewise.
1158
1159 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
1160 Also require unaligned reloc support.
1161 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1162 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
1163 * sparc/sysv4.h: Not here.
1164
1165 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
1166 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
1167 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
1168
1169 * libgcc2.c (L_eh): Reorganize, moving code shared by different
1170 EH implementations to the top.
1171 (find_exception_handler): Split out. Start from 0. Compare against
1172 end with >=.
1173 (__find_first_exception_table_match): Use it.
1174 * except.c (output_exception_table): Don't do anything if there's
1175 no table. Don't output a first entry of zeroes.
1176 (eh_outer_context): Adjust properly.
1177 (add_eh_table_entry): Use xrealloc.
1178 * toplev.c (compile_file): Just call output_exception_table.
1179
1180Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
1181
1182 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
1183
1184Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
1185
1186 * except.c (eh_outer_context): Do masking using expand_and.
1187
b4d940a2
JL		 1188Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
1189
1190 Add port done awhile ago for the ARC cpu.
1191 * arc/arc.h: New file.
1192 * arc/arc.c: New file.
1193 * arc/arc.md: New file.
1194 * arc/initfini.c: New file.
1195 * arc/lib1funcs.asm: New file.
1196 * arc/t-arc: New file.
1197 * arc/xm-arc.h: New file.
1198 * ginclude/va-arc.h: New file.
1199 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
1200 * ginclude/varargs.h: Likewise.
1201 * Makefile.in (USER_H): Add va-arc.h.
1202 * configure.in (arc-*-elf*): Recognize.
1203 * longlong.h: Add ARC support.
1204
1205Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
1206
1207 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
1208 when clearing non-BLKmode data.
1209
10211581
JL		 1210Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
1211
9dfc6eba
MH		 1212 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
1213 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
1214
55259219
MH		 1215 * xm-m88k.h (USG): Only define if it hasn't already been defined.
1216
1217 * Makefile.in (risky-stage1): Delete gratutious whitespace.
1218
ee291069
MH		 1219 * Makefile.in (clean): Delete libgcc1-test.
1220
10211581
JL		 1221 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
1222
1223Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
48f0be1b
SC		 1224
1225 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
1226 template.
1227
ca55abae
JM		 1228Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1229
1230 * dwarf2out.c (output_call_frame_info): Call named_section.
1231
8f3d79e0
JL		 1232Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
1233
1234 * haifa-sched.c (print_value): Fix last change.
1235
ca55abae
JM		 1236Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
1237
1238 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
1239 write_symbols.
1240
1241Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1242
1243 * mips.c (function_prologue): Set up the CFA when ABI_32.
1244
1245 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
1246 for dwarf2 unwind info.
1247 (output_function_prologue, sparc_flat_output_function_prologue): Same.
1248
1249 * final.c (final_end_function): Check dwarf2out_do_frame instead
1250 of DWARF2_DEBUG for dwarf2 unwind info.
1251 (final_scan_insn): Likewise.
1252 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
1253 (final): Not here.
1254
1255 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
1256 count > 0.
1257
1258 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
1259
74aca74b
NC		 1260Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
1261
1262 * v850.h (ASM_SPEC): Pass on target processor.
1263 (CPP_PREDEFINES): Only define if not already specified.
1264 (TARGET_VERSION): Only define if not already specified.
1265 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
1266 processor.
1267 (EXTRA_SWITCHES): Extra entries in the switches array.
1268 (TARGET_DEFAULT): Set default target processor.
1269
c0b04148
JW		 1270Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
1271
1272 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
1273 cases, add %# and %/, and add : to make them into extended asms.
1274
52b7724b
WL		 1275Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
1276
1277 * alias.c (init_alias_analysis): Clean up incompatible pointer
1278 type warning in bzero.
1279 * regmove.c (regmove_optimize): Ditto.
1280 * haifa-sched.c (find_rgns): Ditto.
1281
1282 * haifa-sched.c (print_value): Clean up ptr->int cast
1283 warnings.
1284
0c82f6bf
FF		 1285Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
1286
1287 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
1288 * install.texi (Configurations): Ditto.
1289 * config.sub: Ditto.
1290
1fed1f51
WL		 1291Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
1292
1293 * Makefile.in (sdbout.o): Depend on insn-config.h.
1294
239e68f6
JW		 1295Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
1296
1297 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
1298 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
1299
267c09ab
JM		 1300Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1301
1302 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
1303 prologue insn, only the first elt is significant.
1304 (output_call_frame_info): For exception handling, always use 4-byte
1305 fields as specified by the dwarf2 spec.
1306 Don't skip trivial FDEs.
1307
db7cafb0
JL		 1308Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
1309
1310 * version.c: Bump for snapshot.
1311
1312Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
1313
1314 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
1315 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
1316 when op1_is_pow2.
1317
1318Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
1319
bf520cd9
JL		 1320 * final.c (shorten_branches): During first pass, assume worst
1321 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
db7cafb0
JL		 1322
1323 * Makefile.in (distclean): Remove various things left around
1324 by running the testsuite.
1325
7ed46111
MH		 1326Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
1327
1328 * configure.in (out_file): Emit definition to config.status in order
1329 to have a defined value for configure.lang.
1330 * configure: Re-built.
1331
e41cea70
JJH		 1332Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
1333
bf520cd9 1334 * configure.in: Make symlink to as-new rather than as.new. Similarly
e41cea70
JJH		 1335 for ld-new.
1336 * configure: Rebuilt.
1337
1aeb1f6f
JW		 1338Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
1339
1340 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
1341
770a0113
CK		 1342Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
1343
1344 * sparc/sparc.md: Add ultrasparc scheduling support.
1345 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
1346
f5ffa999
PDM		 1347Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1348
1349 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
1350 as initial value for real_label_map.
1351 (copy_for_inline): Likewise.
1352
acceac1a
R		 1353Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1354
1355 * sched.c (update_flow_info) When looking if to set found_split_dest
1356 or found_orig_dest, look at all parts of a PARALLEL.
1357 * haifa-sched.c (update_flow_info): Likewise.
1358
f84271d9
JL		 1359Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
1360
1361 * v850: New directory for v850 port.
1362 * v850/lib1funcs.asm: New file.
1363 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
1364 * ginclude/va-v850.h: New file.
1365 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
1366 * configure.in (mn10200-*-*): New target.
1367 * configure: Rebuilt.
1368 * config.sub: Handle v850-elf.
1369 * Makefile.in (USER_H): Add va-mn10200.h.
1370 * invoke.texi: Document v850 stuff.
1371
89cc6098
JW		 1372Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
1373
04940ba5
JW		 1374 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
1375 has integer TYPE_{MAX,MIN}_VALUE before using them.
1376
89cc6098
JW		 1377 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
1378 __HPUX_ASM__ versions.
1379
c74f7db8
JL		 1380Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
1381
bf520cd9 1382 * install.sh: Delete duplicate install script.
c74f7db8 1383
914ec131
SC		 1384Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
1385
1386 * reg-stack.c (subst_stack_regs): Pop the stack register for a
1387 computed goto which sets the same stack register.
1388
1389 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
1390 destination are both on the regstack.
1391 (subst_stack_regs_pat): Put the destination at the top of the regstack.
1392
c1090daa
JW		 1393Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
1394
d5d1738a
JW		 1395 * mips.md (nonlocal_goto_receiver): Define.
1396
f4da7881
JW		 1397 * profile.c (output_arc_profiler): Check next_insert_after for non
1398 NULL before deferencing it.
1399
c1090daa
JW		 1400 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
1401
da594c94
JL		 1402Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
1403
1404 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
1405
3e28fe44
MM		 1406Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
1407
1408 * toplev.c (rest_of_compilation): For passes starting with
1409 flow_analysis, use print_rtl_with_bb instead of print_rtl.
1410
1411 * print-rtl.c (print_rtl_single): Print a single rtl value to a
1412 file.
1413
1414 * flow.c (print_rtl_with_bb): Print which insns start and end
1415 basic blocks. For the start of a basic block, also print the live
1416 information.
1417
7053ca72
JW		 1418Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
1419
417b0fa2
JW		 1420 * toplev.c (main): Change #elif to #else/#ifdef
1421
7053ca72
JW		 1422 * tlink.c: Include ctype.h.
1423 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
1424
f05a8b25
MM		 1425Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
1426
1427 * bitmap.c: Conditionally include stdlib.h.
bf520cd9 1428 (free): Provide a declaration if NEED_DECLARATION_FREE.
f05a8b25 1429
02d7a569
JS		 1430Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
1431
1432 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
1433
6030b6af
JW		 1434Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
1435
1436 * profile.c (output_arc_profiler): Verify next_insert_after is an
1437 INSN before and after skipping a stack pop.
1438
04da53bd
R		 1439Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1440
1441 * final.c (shorten_branches): Don't count the lengths of deleted
1442 instructions.
1443
780532a4
JL		 1444Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
1445
1446 * version.c: Bump for snapshot.
1447
22fa5b8a
MM		 1448Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
1449
1450 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
1451 two bitmaps ANDed together.
1452 (bitmap_print): Declare.
1453
1454 * bitmap.c (function_obstack): Don't declare any more.
1455 (bitmap_obstack): Obstack for allocating links from.
1456 (bitmap_obstack_init): New static to say whether to initialize
1457 bitmap_obstack.
1458 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
1459 (bitmap_release_memory): Free all memory allocated from
1460 bitmap_obstack.
1461
1462 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
1463 EXECUTE_IF_AND_IN_BITMAP.
1464
57163df0
JW		 1465Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
1466
fa8b6024
JW		 1467 * alias.c (true_dependence): Address with AND can alias scalars.
1468 (anti_dependence, output_dependence): Likewise.
1469
57163df0
JW		 1470 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
1471
8aa4e786
JS		 1472Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
1473
1474 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
1475 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
1476 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
1477 definitions. Use -qrtems instead of -mrtems.
1478
feb21122
RL		 1479Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
1480
1481 * xm-sco5.h (sys_siglist): Define.
1482 (SYS_SIGLIST_DECLARED): Likewise.
1483
704af6a1
JL		 1484Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
1485
1486 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
1487
127cd405
TG		 1488Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
1489
1490 * except.c (eh_outer_context): Expand masking operation using
1491 expand_binop.
1492
8cf02b47
JW		 1493Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
1494
1495 * alpha.md (floatdisf2-1): New pattern.
1496
49dad301
JL		 1497Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
1498
068f1cb8
JL		 1499 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
1500 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
f04e7122 1501 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
068f1cb8
JL		 1502 * gcc.texi: Note that if you define sys_siglist that you should
1503 also define SYS_SIGLIST_DECLARED.
1504
49dad301
JL		 1505 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
1506 are relative to the next instruction, not the current instruction.
1507
a1729519
JW		 1508Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
1509
1510 * local-alloc.c (contains_replace_regs): New function.
1511 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
1512 verify that there is no existing REG_EQUIV note, and add a call to
1513 contains_place_regs.
1514
290c8b1f
L		 1515Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1516
1517 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
1518 (STARTFILE_SPEC): Always use crtbegin.o%s
1519 (ENDFILE_SPEC): Always use crtend.o%s.
1520
a6a503ed
JW		 1521Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
1522
1523 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
1524 is passed in.
1525 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
1526 SFmode for 64 bit hosts.
1527
a94729bc
PH		 1528Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
1529
1530 * fixincludes: Permits spaces between # and define. Discard C++
1531 comments in sys/pci.h on HP/UX 10.20.
1532
c9e03727
JL		 1533Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
1534
1535 * version.c: Bump for snapshot.
1536
2eddfed1
JL		 1537 * pa.c (restore_unscaled_index_insn_codes): New function.
1538 (record_unscaled_index_insn_codes): Likewise.
1539 (output_function_prologue): Call restore_unscaled_index_insn_codes.
1540 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
1541 (pa_reorg): Call record_unscaled_index_insn_codes.
1542
c9e03727
JL		 1543 * haifa-sched.c (move_insn): Handle notes correctly for insns
1544 with SCHED_GROUP_P set.
1545
a5d6a95b
L		 1546Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1547
1548 * alpha/xm-linux.h (USE_BFD): Undef before define.
1549
bc4ddc77
JW		 1550Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
1551
1552 * cse.c (cse_insn): Don't record BLKmode values.
1553
f3e0ca6c
SW		 1554Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
1555
1556 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
1557
e3512ac2
JL		 1558Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
1559
a63d08e6
JL		 1560 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
1561 * collect2.c (sys_errlist): Likewise.
1562 * cpplib.c (sys_errlist): Likewise.
1563 * gcc.c (sys_errlist): Likewise.
1564 * protoize (sys_errlist): Likewise.
1565 * configure.in: Check for strerror.
1566 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
1567 * xm-gnu.h (HAVE_STRERROR): Likewise.
1568 * xm-linux.h (HAVE_STRERROR): Likewise.
1569 * xm-netbsd.h (HAVE_STRERROR): Likewise.
1570 * xm-bsd386.h (HAVE_STRERROR): Likewise.
1571 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
1572 * xm-dos.h (HAVE_STRERROR): Likewise.
1573 * xm-mingw32.h (HAVE_STRERROR): Likewise.
1574 * xm-pa.h (HAVE_STRERROR): Likewise.
1575 * xm-papro.h (HAVE_STRERROR): Likewise.
1576 * xm-sysv4.h (HAVE_STRERROR): Likewise.
1577 * configure, config.in: Rebuilt.
1578
db814993
JL		 1579 * Makefile.in: Add several missing "else true" clauses.
1580
e3512ac2
JL		 1581 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
1582 * mips-tfile.c: Likewise.
1583 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
1584 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
1585 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
1586 * configure.in: Check for sys_siglist declaration.
1587 * configure, config.in: Rebuilt.
1588
5d84b57e
JS		 1589Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
1590
1591 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
1592 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
1593 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
1594 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
1595 * rs6000/sysv4.h (extra_subtarget_switches): Added new
1596 macro EXTRA_SUBTARGET_SWITCHES.
1597 * configure.in (sh*-*-rtems*): New target.
1598 * sh/rtems.h: New file.
1599 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
1600 * configure: Rebuilt.
1601
2599dcc7
JW		 1602Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
1603
1604 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
1605
3b7e5ef4
DE		 1606Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
1607
1608 * rs6000.md: Make DF fused-add operations pay attention to
1609 -mno-fused-add.
1610
5cd5f4a7
JW		 1611Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
1612
1613 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
1614
63e7fe9b
JL		 1615Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
1616
1617 * pa.md (reload_peepholes): Make sure operand is a REG before
1618 examining REGNO. Allow general registers too.
1619
eb7b11fd
JW		 1620Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
1621
1622 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
1623
c760091a
PT		 1624Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
1625
5cd5f4a7 1626 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
c760091a
PT		 1627 to reallocate abbrev_die_table.
1628
57583338
JW		 1629Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
1630
1631 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
1632
eae4b970
AS		 16331997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1634
4f91a0f8
AS		 1635 * Makefile.in (config.status): Depend on version.c
1636
eae4b970
AS		 1637 * expr.h (insn_gen_function): Reenable prototype.
1638
1639 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
1640 first parameter.
1641
00fc09e1
JW		 1642Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
1643
1644 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
1645
2601ebca
JL		 1646Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
1647
1648 * version.c: Bump for latest snapshot.
1649
1650 * bc-optab.c: Conditionally include stdlib.h.
1651 (free): Provide a declaration if NEED_DECLARATION_FREE.
1652 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
1653 * rtl.h (free): Remove declaration.
1654 * tree.h (free): Remvoe declaration.
1655
1656 * configure: Rebuilt.
1657
e5eb27e5
JL		 1658Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
1659
1660 * flags.h (flag_move_all_movables): Declare.
1661 (flag_reduce_all_givs): Likewise.
1662 * loop.c (move_movables): Handle flag_move_all_movables.
1663 (strength_reduce): Handle flag_reduce_all_givs.
1664 * toplev.c (flag_move_all_movables): Define.
1665 (flag_reduce_all_givs): Likewise.
1666 (f_options): Add -fmove-all-movables and -freduce-all-givs.
1667 * invoke.texi: Document new options, including alias stuff that
1668 wasn't included last time.
1669
d995a6dc
BM		 1670Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
1671
1672 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
1673 * t-mn10200: Ditto.
1674 * t-vxsparc: Ditto.
1675 * t-vxworks68: Ditto.
1676 * t-vxworks960: Ditto.
1677 * t-vx29k: Ditto.
1678
ba64ca33
RH		 1679Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
1680
1681 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
1682 if not already defined, and USE_C_ALLOCA not defined.
1683
ca20876d
JW		 1684Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
1685
7818d6fc
JW		 1686 * config.guess: Replace with script that uses ../config.guess.
1687
ca20876d
JW		 1688 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
1689 if USE_GNULIBC_1 is not defined.
1690
704a6306
RH		 1691Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
1692
1693 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
1694 * config.guess: Recognize alpha-linux-gnulibc1.
1695 * configure.in (alpha-*-linux-gnulibc1): New target.
1696 (alpha-*-linux-gnu*): Don't build crtbegin/end.
1697
67f68fd2
JW		 1698Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
1699
1700 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
1701 last change.
1702
88016fb7
DE		 1703Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
1704
1705 * loop.c (combine_movables): Earlier insns don't match later ones.
1706
bba17b29
L		 1707Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1708
1709 * config/linux.h (CC1_SPEC): Define it only if not defined.
1710
1711 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
1712 <linux.h>
1713
1714 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
1715 USE_GNULIBC_1 is not defined.
1716
33d2808b 1717 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
bba17b29
L		 1718
1719 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
1720 as 1 if USE_GNULIBC_1 is not defined.
1721
ed4044e0
JL		 1722Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
1723
f345de42
JL		 1724 * reorg.c (dbr_schedule): Allow current_function_return_rtx
1725 to be something other than a REG.
1726 * function.c (expand_function_end): Fix current_function_return_rtx
1727 if it was a pseudo.
1728
ed4044e0
JL		 1729 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
1730 * x-netbsd: Likewise
1731 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
1732 (INSTALL_HEADERS): Delete.
1733 * x-dguxbcs: Likewise.
1734 * x-hp3bsd44: Likewise
1735 * x-pa: Likewise.
1736
47d36400
BS		 1737Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1738
1739 * i386.md (pop): pop increments the stack pointer.
1740 (prologue_set_stack_ptr): New pattern.
1741 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
1742 instead of subsi3.
1743
fc79eafe
JW		 1744Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
1745
1746 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
1747 address where an offsettable address is required.
1748
c5da853f
MH		 1749Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
1750
1751 * loop.c (check_final_value): Don't miss a biv increment in a
1752 parallel.
1753
d4ef15f2
JW		 1754Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
1755
1756 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
1757 TYPE_DECL_IS_STUB instead of DECL_NAME.
1758
10549cbd
JW		 1759Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1760
1761 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
1762
1763Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
1764
1765 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
1766
484df988
JL		 1767Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
1768
1769 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
1770 (find_post_sched_live): Likewise.
1771
1772 * haifa-sched.c (schedule_block): Remove old code to get arguments
1773 from hard regs into pseudos early.
1774
39dfb55a
JL		 1775Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
1776
1777 * version.c: Bump for new snapshot.
1778
1779 * local-alloc.c (update_equiv_regs): All the target to reject
1780 promotion of some REG_EQUAL to REG_EQUIV notes.
1781 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
1782
1783 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
1784 secondary reloads.
1785
1786 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
1787 store of the argument registers.
1788
1789Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
1790
1791 * fold-const.c (multiple_of_p): New function.
1792 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
1793
d78778eb
JL		 1794Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
1795
1796 * expr.h (insn_gen_function): Temporarily remove prototype.
1797
feb9ea1a
JW		 1798Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
1799
1800 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
1801 filenames. Use sed to extract base filename for install.
1802
b6ffe602
JC		 1803Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
1804
1805 * unroll.c (find_splittable_givs): Only share if two givs have the
1806 same add and multiply values.
1807
2ebfd230
JW		 1808Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
1809
1810 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
1811 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
1812
251ffdee
JL		 1813Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
1814
1815 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
1816 around branch tables.
1817 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
1818 and .end_brtab directives if TARGET_GAS.
1819
19372aa1
JW		 1820Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
1821
27314274
JW		 1822 * alias.c (true_dependence): Pass x_addr not x to varies.
1823
19372aa1
JW		 1824 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
1825 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
1826 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
1827 declarations.
1828 * config.in, configure: Regenerate.
1829
2a2c8203
JC		 1830Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
1831
1832 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
1833 LO_SUM.
1834 (record_set): Handle LO_SUM like PLUS.
1835 (init_alias_analysis): When following chains of base addresses,
1836 do not stop on reaching a hard register.
1837
d80357b7
JL		 1838Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
1839
1840 * version.c: Bump for new snapshot.
1841
b4f32d7b
JW		 1842Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
1843
1844 * alpha.h (ARCH_ASM_FILE_START): Define.
1845 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
1846 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
1847
ca363bb6
JL		 1848Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
1849
1850 * Makefile.in (install-common): Put gcov comment at start of line.
1851
7557aa98
JL		 1852Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
1853
1854 * alias.c (init_alias_analysis): When simplifying the reg_base_value
1855 array, simplify entries for hard registers too.
1856
c34e3ae4
DL		 1857Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
1858
1859 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
1860 list.
1861
e3eef942
JW		 1862Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
1863
1864 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
1865 block_stack before dereferencing it.
1866
1867Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
246853b9
MM		 1868
1869 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
1870
04f41951
JM		 1871Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1872
1873 * cplus-dem.c: Add 'extern' to prepends_underscore.
1874
e933cbe0
JL		 1875Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
1876
62d65906
JL		 1877 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
1878 (get_issue_rate): Delete.
1879 * pa.h (ISSUE_RATE): Define.
1880
2da05a5b
JL		 1881 * configure.in: Turn on haifa by default for the PA.
1882 * configure: Rebuilt.
1883 * pa.c (override_options): Accept -mschedule=7200 option.
1884 (pa_adjust_cost): No longer need to scale costs for newer
1885 processors.
1886 * pa.h (enum processor_type): Add PROCESSOR_7200.
1887 * pa.md: Revamp scheduling parameters to work better with
1888 haifa. Add scheduling parameters for the 7200.
1889
4f64eaca
JL		 1890 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
1891 insns too.
1892 (schedule_block): When adjusting basic_block_{head,end}, account
1893 for movement of SCHED_GROUP_P insns too.
1894
1895 * haifa-sched.c (debug_dependencies): Fix thinko.
1896
e933cbe0
JL		 1897 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
1898 (site.exp, check, check-g++, check-gcc): New targets.
1899
4f64eaca 1900 * haifa-sched.c: Make lots of variables static.
61822835 1901
e9576d2c
L		 1902Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1903
1904 * expr.h, real.h: Finish prototyping.
1905
61822835
JL		 1906Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
1907
1908 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
1909 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
1910 * reload1.c: Undo bugfix from Aug 11.
1911
f24b370a
MM		 1912Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
1913
1914 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
1915 quotes around the name.
1916 * configure: Regenerate.
1917
1c4c5851
JW		 1918Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
1919
1920 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
1921
71abb567
MH		 1922Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
1923
1924 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
1925 to sub-makes to avoid building more passes than the user might have
1926 requested on the command line.
1927
6042434a
DL		 1928Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
1929
1930 * configure.in: Expurgate `broken_install' (install is
1931 autoconfed).
1932
1933 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
1934 relevant).
1935
38ea060f
JL		 1936Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
1937
1938 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
1939 functions and declarations.
1940 (analyze_loop_iterations): Use condjump_p.
1941 (insert_bct): Likewise. Use exact_log2.
1942
f187056f
JL		 1943Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
1944
1945 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
1946 (schedule_region): Likewise.
1947 (schedule_insns): Likewise.
1948
1949 * PROJECTS: Update with Haifa stuff.
1950
9af06254
JL		 1951Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
1952
1953 * version.c: Change the version string to look like:
11c21791 1954 egcs-2.90.00 970814 (gcc2-970802 experimental).
9af06254 1955
0945e937
JL		 1956 * loop.c (is_conditional_branch): Make definition match declaration.
1957
9af06254
JL		 1958 * gcc.c: Take out experimental snapshot warning message.
1959
ebc25a17
MM		 1960Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
1961
1962 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
1963 print out the names of the notes. Print out the name of the insn
1964 that is not a note, and not an {,CALL_,JUMP_}INSN.
1965
610ce97e
JM		 1966Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1967
1968 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
1969 again for the slot after we give it RTL.
1970
992d1248
DE		 1971Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
1972
1973 * configure.in (haifa configury): Fix typo.
1974 * configure: Regenerate.
1975
7bb6fbd1
JL		 1976Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
1977
1978 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
1979
1980 * gcc.info*: Rebuilt.
1981
1982 * COPYING.g77, README.g77: New files.
1983 * real.c (ereal_unto_float, ereal_unto_double): New functions.
1984 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
1985 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
1986
8c660648
JL		 1987Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
1988
1989 * Integrate Haifa instruction scheduler.
1990 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
1991 to sched with $(SCHED_CFLAGS.
1992 * configure.in: Handle --enable-haifa.
1993 * configure: Rebuilt.
1994 * flags.h: Add new flags for haifa instruction scheduler.
1995 * genattrtab.c (expand_units): For haifa, don't subtract one
1996 when computing blockage.
1997 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
1998 (flag_schedule_speculative): Ditto.
1999 (flag_schedule_speculative_load): Ditto.
2000 (flag_schedule_speculative_load_dangerous): Ditto.
2001 (flag_schedule_reverse_before_reload): Ditto.
2002 (flag_schedule_reverse_after_reload): Ditto.
2003 (flag_branch_on_count_reg): Ditto.
2004 (f_options): Add Haifa switches.
2005 (main): Turn off some Haifa options if appropriate macro is
2006 defined. Process Haifa switches.
2007 * unroll.c (iteration_info): No longer static, since Haifa
2008 scheduler uses it.
2009 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
2010 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
2011 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
2012 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
2013 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
2014 storage for the Haifa scheduler.
2015 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
2016 LABEL_NEXTREF.
2017 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
2018 are defined, call analyze_loop_iterations and insert_bct to use
2019 countdown loops.
2020 (record_giv): Refine test for jumps out of loops if HAIFA is
2021 defined.
2022 (analyze_loop_iterations): New function to identify if we can use
2023 a countdown loop.
2024 (insert_bct): Insert countdown loop.
2025 (instrument_loop_bct): Low level code to insert countdown loop.
2026 (loop_number): Calculate UID of loop.
2027 (indirect_jump_in_function_p): Return true if an indirect jump is
2028 in the function.
2029 (is_power_of_2): Return true if value is a power of 2.
2030 (is_conditional_branch): Return true if insn is a conditional
2031 jump.
2032 (fix_bct_param): Process -fbct-{min,max}-N switches.
2033 (check_bct_param): Return true if loop should be instrumented.
2034 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
2035 (loop_optimize): Initialize.
2036 (get_condition_for_loop): Ditto.
2037 * loop.c (strength_reduce): Inside of code that uses #ifdef
2038 HAVE_decrement_and_branch_on_count code, test it to make sure the
2039 condition is true.
2040 (instrument_loop_bct): Ditto.
2041 * haifa-sched.c: New file.
2042
2043
2044 * Integrate regmove pass.
2045 * Makefile.in (OBJS): Add regmove.o
2046 (regmove.o): Add dependencies.
2047 * flow.c (find_use_as_address): No longer static.
2048 * rtl.h (find_use_as_address): Declare.
2049 * toplev.c (regmove_dump, flag_regmove): Define.
2050 (f_options): Add -fregmove.
2051 (regmove_dump_file, regmove_time): Define.
2052 (fatal_insn): Close the regmove dump file.
2053 (compile_file): Initialize regmove_time; open/close the regmove dump
2054 file as needed. Print regmove time as needed.
2055 (rest_of_compilation): Run regmove pass if requested, dump
2056 RTL after regmove if requested.
2057 (main): If -O2 or more, turn on regmove. Handle dump switches.
2058 * regmove.c: New file.
2059
aa32d841
JL		 2060Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
2061
2062 * Integrate tlink patch from jason@cygnus.com
2063 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
2064 (process_command): Increment n_switches for them. Don't discard
2065 their args. Validate them.
2066 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
2067 From Rohan Lenard.
2068 (process_command): Set include_prefixes from COMPILER_PATH.
2069 (main): Set COLLECT_GCC_OPTIONS sooner.
2070 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
2071 * tlink.c, hash.c, hash.h: New files.
2072 * Makefile.in (USE_COLLECT2): Always use collect2.
2073 (collect2): Depend on and link in hash.o and tlink.o.
2074 (tlink.o, hash.o): Add dependencies.
2075
5fa39bfe
JL		 2076Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
2077
9ae8ffe7
JL		 2078 * Integrate alias analysis changes from jfc@mit.edu
2079 * Makefile.in (OBJS): Add alias.o
2080 (alias.o): Add dependencies.
2081 * alias.c: New file.
2082 * sched.c: Remove alias analysis code. It lives in alias.c now.
9ae8ffe7 2083 (sched_analyze_2): Add new arguments to true_dependence.
9ae8ffe7
JL		 2084 (schedule_insns): Always call init_alias_analysis.
2085 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
2086 mark return value from such functions as a pointer and keep track of
2087 them for alias analysis. If a return value from a function is a
2088 pointer, mark it as such.
2089 * combine.c (distribute_notes): Handle REG_NOALIAS.
2090 * cse.c (struct write_data): Delete. No longer needed.
2091 (invalidate): Don't call set_nonvarying_address_components anymore.
2092 Use true_dependence to decide if an entry should be removed from
2093 the hash table.
2094 (invalidate_memory): Remove WRITES argument, simplify appropriately.
2095 Fix all callers.
2096 (note_mem_written): Similarly for WRITE_PTR argument.
2097 (invalidate_from_clobbers): Similarly for W argument.
2098 (invalidate_for_call): Remove memory elements from the hash table.
2099 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
2100 (cse_rtx_varies_p): New function. Derived from old
2101 cse_rtx_addr_varies_p.
2102 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
2103 Don't call note_mem_written anymore. Stack pushes invalidate the stack
2104 pointer if PUSH_ROUNDING is defined. No longer need to call
2105 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
2106 (skipped_writes_memory): Remove variable.
2107 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
2108 (invalidate_skipped_block): Simplify for new alias analysis code.
2109 (cse_set_around_loop): Likewise.
2110 (cse_main): Call init_alias_analysis.
2111 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
2112 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
2113 (f_options): Add new alias checking arguments.
2114 (main): Set flag_alias_check when optimizing.
2115 * local_alloc (validate_equiv_mem_from_store): Add new arguments
2116 to true_dependence.
2117 (memref_referenced_p): Likewise.
2118 * loop.c (NUM_STORES): Increase to 30.
2119 (prescan_loop): Only non-constant calls set unknown_address_altered.
2120 (invariant_p): Add new arguments to true_dependence.
2121 (record_giv): Initialize unrolled and shared fields.
2122 (emit_iv_add_mult): Call record_base_value as needed.
2123 * loop.h (struct induction): Add unrolled and shared fields.
2124 * unroll.c (unroll_loop): Call record_base_value as needed.
2125 (copy_loop_body): Likewise.
2126 (final_biv_value): Likewise.
2127 (final_giv_value): Likewise.
2128 (find_splittable_regs): Likewise. Only create one new pseudo
2129 if we have multiple address GIVs that were combined with the same
2130 dst_reg GIV. Note when a new register is created due to unrolling.
2131 * rtl.c (reg_note_name): Add REG_NOALIAS.
2132 * rtl.h (enum reg_note): Similarly.
2133 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
2134 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
2135 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
2136 (true_dependence, read_dependence, anti_dependence): Likewise.
2137 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
2138 (mark_user_reg, mark_reg_pointer): Likewise.
2139
2140
2141 * Integrate reload bugfix from Wilon which enables the PA port
5fa39bfe
JL		 2142 to bootstrap again.
2143 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
2144 OPERAND_ADDRESS when computing how many registers an insn needs.
2145 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
2146 conflict.
2147 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
2148 OPADDR_ADDR reload.
2149 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
2150 in reload_reg_use_in_op_addr do not reach the end.
2151 do not reach the end.
2152 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
2153 RELOAD_FOR_OPERAND_ADDRESS.
2154
2155Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
2156
2dcfcb56 2157 * egcs project officially starts.
861bb6c1 2158
GNU Compiler Collection
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