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Commit | Line | Data |
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b4f32d7b JW |
1 | Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com> |
2 | ||
3 | * alpha.h (ARCH_ASM_FILE_START): Define. | |
4 | (ASM_FILE_START): Use ARCH_ASM_FILE_START. | |
5 | * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string. | |
6 | ||
ca363bb6 JL |
7 | Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com) |
8 | ||
f1e18282 JL |
9 | * version.c: Bump for new snapshot. |
10 | ||
ca363bb6 JL |
11 | * Makefile.in (install-common): Put gcov comment at start of line. |
12 | ||
7557aa98 JL |
13 | Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com) |
14 | ||
15 | * alias.c (init_alias_analysis): When simplifying the reg_base_value | |
16 | array, simplify entries for hard registers too. | |
17 | ||
c34e3ae4 DL |
18 | Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk> |
19 | ||
20 | * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from | |
21 | list. | |
22 | ||
e3eef942 JW |
23 | Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com> |
24 | ||
25 | * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test | |
26 | block_stack before dereferencing it. | |
27 | ||
28 | Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com> | |
246853b9 MM |
29 | |
30 | * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate. | |
31 | ||
04f41951 JM |
32 | Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com> |
33 | ||
34 | * cplus-dem.c: Add 'extern' to prepends_underscore. | |
35 | ||
e933cbe0 JL |
36 | Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com) |
37 | ||
62d65906 JL |
38 | * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate. |
39 | (get_issue_rate): Delete. | |
40 | * pa.h (ISSUE_RATE): Define. | |
41 | ||
2da05a5b JL |
42 | * configure.in: Turn on haifa by default for the PA. |
43 | * configure: Rebuilt. | |
44 | * pa.c (override_options): Accept -mschedule=7200 option. | |
45 | (pa_adjust_cost): No longer need to scale costs for newer | |
46 | processors. | |
47 | * pa.h (enum processor_type): Add PROCESSOR_7200. | |
48 | * pa.md: Revamp scheduling parameters to work better with | |
49 | haifa. Add scheduling parameters for the 7200. | |
50 | ||
4f64eaca JL |
51 | * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P |
52 | insns too. | |
53 | (schedule_block): When adjusting basic_block_{head,end}, account | |
54 | for movement of SCHED_GROUP_P insns too. | |
55 | ||
56 | * haifa-sched.c (debug_dependencies): Fix thinko. | |
57 | ||
e933cbe0 JL |
58 | * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define. |
59 | (site.exp, check, check-g++, check-gcc): New targets. | |
60 | ||
4f64eaca | 61 | * haifa-sched.c: Make lots of variables static. |
61822835 | 62 | |
e9576d2c L |
63 | Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu) |
64 | ||
65 | * expr.h, real.h: Finish prototyping. | |
66 | ||
61822835 JL |
67 | Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com> |
68 | ||
69 | * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR | |
70 | reloads to RELOAD_FOR_OPERAND_ADDRESS reloads. | |
71 | * reload1.c: Undo bugfix from Aug 11. | |
72 | ||
f24b370a MM |
73 | Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com> |
74 | ||
75 | * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single | |
76 | quotes around the name. | |
77 | * configure: Regenerate. | |
78 | ||
1c4c5851 JW |
79 | Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com> |
80 | ||
81 | * Makefile.in (stmp-multilib-sub): Fix typo in last change. | |
82 | ||
71abb567 MH |
83 | Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de> |
84 | ||
85 | * Makefile.in (sub-makes): Pass the current value of LANGUAGES down | |
86 | to sub-makes to avoid building more passes than the user might have | |
87 | requested on the command line. | |
88 | ||
6042434a DL |
89 | Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk) |
90 | ||
91 | * configure.in: Expurgate `broken_install' (install is | |
92 | autoconfed). | |
93 | ||
94 | * configure.lang: Substitute autoconfed ${INSTALL} (not currently | |
95 | relevant). | |
96 | ||
38ea060f JL |
97 | Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com) |
98 | ||
99 | * loop.c (is_power_of_2, is_conditional_branch): Delete unused | |
100 | functions and declarations. | |
101 | (analyze_loop_iterations): Use condjump_p. | |
102 | (insert_bct): Likewise. Use exact_log2. | |
103 | ||
f187056f JL |
104 | Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com) |
105 | ||
106 | * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed. | |
107 | (schedule_region): Likewise. | |
108 | (schedule_insns): Likewise. | |
109 | ||
110 | * PROJECTS: Update with Haifa stuff. | |
111 | ||
9af06254 JL |
112 | Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com) |
113 | ||
114 | * version.c: Change the version string to look like: | |
11c21791 | 115 | egcs-2.90.00 970814 (gcc2-970802 experimental). |
9af06254 | 116 | |
0945e937 JL |
117 | * loop.c (is_conditional_branch): Make definition match declaration. |
118 | ||
9af06254 JL |
119 | * gcc.c: Take out experimental snapshot warning message. |
120 | ||
ebc25a17 MM |
121 | Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com> |
122 | ||
123 | * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to | |
124 | print out the names of the notes. Print out the name of the insn | |
125 | that is not a note, and not an {,CALL_,JUMP_}INSN. | |
126 | ||
992d1248 DE |
127 | Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com> |
128 | ||
129 | * configure.in (haifa configury): Fix typo. | |
130 | * configure: Regenerate. | |
131 | ||
7bb6fbd1 JL |
132 | Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com) |
133 | ||
134 | * version.c: Bump version to "gcc-3.0.0 970802 experimental". | |
135 | ||
136 | * gcc.info*: Rebuilt. | |
137 | ||
138 | * COPYING.g77, README.g77: New files. | |
139 | * real.c (ereal_unto_float, ereal_unto_double): New functions. | |
140 | * real.h (ereal_unto_float, ereal_unto_double): Declare them. | |
141 | (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define. | |
142 | ||
8c660648 JL |
143 | Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com) |
144 | ||
145 | * Integrate Haifa instruction scheduler. | |
146 | * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references | |
147 | to sched with $(SCHED_CFLAGS. | |
148 | * configure.in: Handle --enable-haifa. | |
149 | * configure: Rebuilt. | |
150 | * flags.h: Add new flags for haifa instruction scheduler. | |
151 | * genattrtab.c (expand_units): For haifa, don't subtract one | |
152 | when computing blockage. | |
153 | * toplev.h (flag_schedule_interblock): Haifa scheduler flag. | |
154 | (flag_schedule_speculative): Ditto. | |
155 | (flag_schedule_speculative_load): Ditto. | |
156 | (flag_schedule_speculative_load_dangerous): Ditto. | |
157 | (flag_schedule_reverse_before_reload): Ditto. | |
158 | (flag_schedule_reverse_after_reload): Ditto. | |
159 | (flag_branch_on_count_reg): Ditto. | |
160 | (f_options): Add Haifa switches. | |
161 | (main): Turn off some Haifa options if appropriate macro is | |
162 | defined. Process Haifa switches. | |
163 | * unroll.c (iteration_info): No longer static, since Haifa | |
164 | scheduler uses it. | |
165 | (unroll_loop): Inform HAIFA scheduler about loop unrolling factor. | |
166 | * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value. | |
167 | * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls. | |
168 | * loop.h (loop_initial_value,loop_unroll_iter): New globals. | |
169 | * loop.c (loop_optimize): If HAIFA is defined, allocate additional | |
170 | storage for the Haifa scheduler. | |
171 | (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and | |
172 | LABEL_NEXTREF. | |
173 | (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count | |
174 | are defined, call analyze_loop_iterations and insert_bct to use | |
175 | countdown loops. | |
176 | (record_giv): Refine test for jumps out of loops if HAIFA is | |
177 | defined. | |
178 | (analyze_loop_iterations): New function to identify if we can use | |
179 | a countdown loop. | |
180 | (insert_bct): Insert countdown loop. | |
181 | (instrument_loop_bct): Low level code to insert countdown loop. | |
182 | (loop_number): Calculate UID of loop. | |
183 | (indirect_jump_in_function_p): Return true if an indirect jump is | |
184 | in the function. | |
185 | (is_power_of_2): Return true if value is a power of 2. | |
186 | (is_conditional_branch): Return true if insn is a conditional | |
187 | jump. | |
188 | (fix_bct_param): Process -fbct-{min,max}-N switches. | |
189 | (check_bct_param): Return true if loop should be instrumented. | |
190 | * loop.c (loop_initial_value,loop_unroll_iter): New globals. | |
191 | (loop_optimize): Initialize. | |
192 | (get_condition_for_loop): Ditto. | |
193 | * loop.c (strength_reduce): Inside of code that uses #ifdef | |
194 | HAVE_decrement_and_branch_on_count code, test it to make sure the | |
195 | condition is true. | |
196 | (instrument_loop_bct): Ditto. | |
197 | * haifa-sched.c: New file. | |
198 | ||
199 | ||
200 | * Integrate regmove pass. | |
201 | * Makefile.in (OBJS): Add regmove.o | |
202 | (regmove.o): Add dependencies. | |
203 | * flow.c (find_use_as_address): No longer static. | |
204 | * rtl.h (find_use_as_address): Declare. | |
205 | * toplev.c (regmove_dump, flag_regmove): Define. | |
206 | (f_options): Add -fregmove. | |
207 | (regmove_dump_file, regmove_time): Define. | |
208 | (fatal_insn): Close the regmove dump file. | |
209 | (compile_file): Initialize regmove_time; open/close the regmove dump | |
210 | file as needed. Print regmove time as needed. | |
211 | (rest_of_compilation): Run regmove pass if requested, dump | |
212 | RTL after regmove if requested. | |
213 | (main): If -O2 or more, turn on regmove. Handle dump switches. | |
214 | * regmove.c: New file. | |
215 | ||
aa32d841 JL |
216 | Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com) |
217 | ||
218 | * Integrate tlink patch from jason@cygnus.com | |
219 | * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'. | |
220 | (process_command): Increment n_switches for them. Don't discard | |
221 | their args. Validate them. | |
222 | (main): Escape " marks when creating COLLECT_GCC_OPTIONS. | |
223 | From Rohan Lenard. | |
224 | (process_command): Set include_prefixes from COMPILER_PATH. | |
225 | (main): Set COLLECT_GCC_OPTIONS sooner. | |
226 | * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld. | |
227 | * tlink.c, hash.c, hash.h: New files. | |
228 | * Makefile.in (USE_COLLECT2): Always use collect2. | |
229 | (collect2): Depend on and link in hash.o and tlink.o. | |
230 | (tlink.o, hash.o): Add dependencies. | |
231 | ||
5fa39bfe JL |
232 | Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com) |
233 | ||
9ae8ffe7 JL |
234 | * Integrate alias analysis changes from jfc@mit.edu |
235 | * Makefile.in (OBJS): Add alias.o | |
236 | (alias.o): Add dependencies. | |
237 | * alias.c: New file. | |
238 | * sched.c: Remove alias analysis code. It lives in alias.c now. | |
9ae8ffe7 | 239 | (sched_analyze_2): Add new arguments to true_dependence. |
9ae8ffe7 JL |
240 | (schedule_insns): Always call init_alias_analysis. |
241 | * calls.c (expand_call): Note calls to malloc, calloc, and realloc; | |
242 | mark return value from such functions as a pointer and keep track of | |
243 | them for alias analysis. If a return value from a function is a | |
244 | pointer, mark it as such. | |
245 | * combine.c (distribute_notes): Handle REG_NOALIAS. | |
246 | * cse.c (struct write_data): Delete. No longer needed. | |
247 | (invalidate): Don't call set_nonvarying_address_components anymore. | |
248 | Use true_dependence to decide if an entry should be removed from | |
249 | the hash table. | |
250 | (invalidate_memory): Remove WRITES argument, simplify appropriately. | |
251 | Fix all callers. | |
252 | (note_mem_written): Similarly for WRITE_PTR argument. | |
253 | (invalidate_from_clobbers): Similarly for W argument. | |
254 | (invalidate_for_call): Remove memory elements from the hash table. | |
255 | (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted. | |
256 | (cse_rtx_varies_p): New function. Derived from old | |
257 | cse_rtx_addr_varies_p. | |
258 | (cse_insn): Remove WRITES_MEMORY and INIT variables and all references. | |
259 | Don't call note_mem_written anymore. Stack pushes invalidate the stack | |
260 | pointer if PUSH_ROUNDING is defined. No longer need to call | |
261 | cse_rtx_addr_varies_p to decide if a MEM should be invalidated. | |
262 | (skipped_writes_memory): Remove variable. | |
263 | (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory. | |
264 | (invalidate_skipped_block): Simplify for new alias analysis code. | |
265 | (cse_set_around_loop): Likewise. | |
266 | (cse_main): Call init_alias_analysis. | |
267 | * flags.h (flag_alias_check, flag_argument_noalias): Declare. | |
268 | * toplev.c (flag_alias_check, flag_argument_noalias): Define. | |
269 | (f_options): Add new alias checking arguments. | |
270 | (main): Set flag_alias_check when optimizing. | |
271 | * local_alloc (validate_equiv_mem_from_store): Add new arguments | |
272 | to true_dependence. | |
273 | (memref_referenced_p): Likewise. | |
274 | * loop.c (NUM_STORES): Increase to 30. | |
275 | (prescan_loop): Only non-constant calls set unknown_address_altered. | |
276 | (invariant_p): Add new arguments to true_dependence. | |
277 | (record_giv): Initialize unrolled and shared fields. | |
278 | (emit_iv_add_mult): Call record_base_value as needed. | |
279 | * loop.h (struct induction): Add unrolled and shared fields. | |
280 | * unroll.c (unroll_loop): Call record_base_value as needed. | |
281 | (copy_loop_body): Likewise. | |
282 | (final_biv_value): Likewise. | |
283 | (final_giv_value): Likewise. | |
284 | (find_splittable_regs): Likewise. Only create one new pseudo | |
285 | if we have multiple address GIVs that were combined with the same | |
286 | dst_reg GIV. Note when a new register is created due to unrolling. | |
287 | * rtl.c (reg_note_name): Add REG_NOALIAS. | |
288 | * rtl.h (enum reg_note): Similarly. | |
289 | (rtx_varies_p, may_trap_p, side_effects_p): Declare. | |
290 | (volatile_refs_p, volatile_insn_p, remove_note): Likewise. | |
291 | (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise. | |
292 | (true_dependence, read_dependence, anti_dependence): Likewise. | |
293 | (output_dependence, init_alias_analysis, end_alias_analysis): Likewise. | |
294 | (mark_user_reg, mark_reg_pointer): Likewise. | |
295 | ||
296 | ||
297 | * Integrate reload bugfix from Wilon which enables the PA port | |
5fa39bfe JL |
298 | to bootstrap again. |
299 | * reload1.c (reload): Sum needs for both OPADDR_ADDR and and | |
300 | OPERAND_ADDRESS when computing how many registers an insn needs. | |
301 | (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do | |
302 | conflict. | |
303 | (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like | |
304 | OPADDR_ADDR reload. | |
305 | (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers | |
306 | in reload_reg_use_in_op_addr do not reach the end. | |
307 | do not reach the end. | |
308 | (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with | |
309 | RELOAD_FOR_OPERAND_ADDRESS. | |
310 | ||
311 | Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com) | |
312 | ||
2dcfcb56 | 313 | * egcs project officially starts. |
861bb6c1 | 314 |