Jeffrey A Law [Thu, 21 Aug 1997 04:48:46 +0000 (04:48 +0000)]
alias.c (init_alias_analysis): When simplifying the reg_base_value array, simplify entries for hard registers too.
* alias.c (init_alias_analysis): When simplifying the reg_base_value
array, simplify entries for hard registers too.
From jfc. Fixes c-torture failure on the PA.
Jeffrey A Law [Tue, 19 Aug 1997 21:09:22 +0000 (21:09 +0000)]
configure.in: Turn on haifa by default for the PA.
* configure.in: Turn on haifa by default for the PA.
* configure: Rebuilt.
* pa.c (override_options): Accept -mschedule=7200 option.
(pa_adjust_cost): No longer need to scale costs for newer
processors.
* pa.h (enum processor_type): Add PROCESSOR_7200.
* pa.md: Revamp scheduling parameters to work better with
haifa. Add scheduling parameters for the 7200.
Jeffrey A Law [Tue, 19 Aug 1997 18:02:21 +0000 (18:02 +0000)]
haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P insns too.
* haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
insns too.
(schedule_block): When adjusting basic_block_{head,end}, account
for movement of SCHED_GROUP_P insns too.
Jim Wilson [Tue, 19 Aug 1997 16:04:22 +0000 (16:04 +0000)]
reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR reloads to...
* reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
* reload1.c: Undo bugfix from Aug 11.
Back out "simple" patch for PA reload bug and install the one accepted
by the FSF.
Makefile.in (sub-makes): Pass the current value of LANGUAGES down to sub-makes to avoid building more...
* Makefile.in (sub-makes): Pass the current value of LANGUAGES down
to sub-makes to avoid building more passes than the user might have
requested on the command line.
From Manfred Hollstein.
Jeffrey A Law [Sun, 17 Aug 1997 23:33:04 +0000 (23:33 +0000)]
INSTALL: Rebuilt.
* INSTALL: Rebuilt.
* install.texi: Remove "Object File Differences" section. Remove
all references to zzz.o failing comparison tests.
* version.c, version.h: Renamed from zzz.c and zzz.h. Remove
date and time stamps so a 3 stage build reports no differences.
* Make-lang.in: Corresponding changes.
* Makefile.in: Likewise.
* g77.c, parse.c: Likewise.
So 3-stage build compares OK. Rename zzz.[ch] files to version.[ch].
Jeffrey A Law [Sat, 16 Aug 1997 07:09:42 +0000 (07:09 +0000)]
loop.c (is_power_of_2, [...]): Delete unused functions and declarations.
* loop.c (is_power_of_2, is_conditional_branch): Delete unused
functions and declarations.
(analyze_loop_iterations): Use condjump_p.
(insert_bct): Likewise. Use exact_log2.
Just cleanup up some haifa code.
Jeffrey A Law [Tue, 12 Aug 1997 17:13:25 +0000 (17:13 +0000)]
version.c: Bump version to "gcc-3.0.0 970802 experimental".
* version.c: Bump version to "gcc-3.0.0 970802 experimental".
* gcc.info*: Rebuilt.
* COPYING.g77, README.g77: New files.
* real.c (ereal_unto_float, ereal_unto_double): New functions.
* real.h (ereal_unto_float, ereal_unto_double): Declare them.
(REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
Get g77 to work with gcc3.
Jeffrey A Law [Tue, 12 Aug 1997 17:12:21 +0000 (17:12 +0000)]
g77.info*: Rebuilt.
* g77.info*: Rebuilt.
* config-lang.in: Don't demand the backend patch.
* com.c (lang_printable_name): Second argument is now an int. Don't
store into the value of the second argument.
* top.c (ffe_decode_option): Temporarily disable setting
of "Toon" loop options until we figure out how to address
them.
Jeffrey A Law [Mon, 11 Aug 1997 20:23:53 +0000 (20:23 +0000)]
* Integrate tlink patch from jason@cygnus.com
* gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
(process_command): Increment n_switches for them. Don't discard
their args. Validate them.
(main): Escape " marks when creating COLLECT_GCC_OPTIONS.
From Rohan Lenard.
(process_command): Set include_prefixes from COMPILER_PATH.
(main): Set COLLECT_GCC_OPTIONS sooner.
* confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
* tlink.c, hash.c, hash.h: New files.
* Makefile.in (USE_COLLECT2): Always use collect2.
(collect2): Depend on and link in hash.o and tlink.o.
(tlink.o, hash.o): Add dependencies.
Jeffrey A Law [Mon, 11 Aug 1997 20:07:24 +0000 (20:07 +0000)]
* Integrate alias analysis changes from jfc@mit.edu
* Makefile.in (OBJS): Add alias.o
(alias.o): Add dependencies.
* alias.c: New file.
* sched.c: Remove alias analysis code. It lives in alias.c now.
(reg_last_uses_size): Declare.
(sched_analyze_2): Add new arguments to true_dependence.
(sched_analyze_insn): Use reg_last_uses_size instead of max_reg.
(schedule_block): Initialize reg_last_uses_size.
(schedule_insns): Always call init_alias_analysis.
* calls.c (expand_call): Note calls to malloc, calloc, and realloc;
mark return value from such functions as a pointer and keep track of
them for alias analysis. If a return value from a function is a
pointer, mark it as such.
* combine.c (distribute_notes): Handle REG_NOALIAS.
* cse.c (struct write_data): Delete. No longer needed.
(invalidate): Don't call set_nonvarying_address_components anymore.
Use true_dependence to decide if an entry should be removed from
the hash table.
(invalidate_memory): Remove WRITES argument, simplify appropriately.
Fix all callers.
(note_mem_written): Similarly for WRITE_PTR argument.
(invalidate_from_clobbers): Similarly for W argument.
(invalidate_for_call): Remove memory elements from the hash table.
(refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
(cse_rtx_varies_p): New function. Derived from old
cse_rtx_addr_varies_p.
(cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
Don't call note_mem_written anymore. Stack pushes invalidate the stack
pointer if PUSH_ROUNDING is defined. No longer need to call
cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
(skipped_writes_memory): Remove variable.
(invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
(invalidate_skipped_block): Simplify for new alias analysis code.
(cse_set_around_loop): Likewise.
(cse_main): Call init_alias_analysis.
* flags.h (flag_alias_check, flag_argument_noalias): Declare.
* toplev.c (flag_alias_check, flag_argument_noalias): Define.
(f_options): Add new alias checking arguments.
(main): Set flag_alias_check when optimizing.
* local_alloc (validate_equiv_mem_from_store): Add new arguments
to true_dependence.
(memref_referenced_p): Likewise.
* loop.c (NUM_STORES): Increase to 30.
(prescan_loop): Only non-constant calls set unknown_address_altered.
(invariant_p): Add new arguments to true_dependence.
(record_giv): Initialize unrolled and shared fields.
(emit_iv_add_mult): Call record_base_value as needed.
* loop.h (struct induction): Add unrolled and shared fields.
* unroll.c (unroll_loop): Call record_base_value as needed.
(copy_loop_body): Likewise.
(final_biv_value): Likewise.
(final_giv_value): Likewise.
(find_splittable_regs): Likewise. Only create one new pseudo
if we have multiple address GIVs that were combined with the same
dst_reg GIV. Note when a new register is created due to unrolling.
* rtl.c (reg_note_name): Add REG_NOALIAS.
* rtl.h (enum reg_note): Similarly.
(rtx_varies_p, may_trap_p, side_effects_p): Declare.
(volatile_refs_p, volatile_insn_p, remove_note): Likewise.
(note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
(true_dependence, read_dependence, anti_dependence): Likewise.
(output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
(mark_user_reg, mark_reg_pointer): Likewise.
jfc's alias analysis code.
Jeff Law [Mon, 11 Aug 1997 19:31:10 +0000 (13:31 -0600)]
* Integrate reload bugfix from Wilson which enables the PA port
to bootstrap again.
* reload1.c (reload): Sum needs for both OPADDR_ADDR and and
OPERAND_ADDRESS when computing how many registers an insn needs.
(reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
conflict.
(reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
OPADDR_ADDR reload.
(reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
in reload_reg_use_in_op_addr do not reach the end.
do not reach the end.
(reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
RELOAD_FOR_OPERAND_ADDRESS.
Richard Kenner [Sat, 2 Aug 1997 17:20:21 +0000 (13:20 -0400)]
(flag_check_memory_usage, flag_prefix_function_name): New variable.
(f_options): Add `check-memory-usage' and `prefix_function_name'.
(main): Disable `-fomit-frame-pointer' if `-fcheck-memory-usage' is set
and the machine can't debug without the frame pointer.
Richard Kenner [Sat, 2 Aug 1997 17:19:38 +0000 (13:19 -0400)]
(expand_computed_goto): If -fcheck-memory-usage, check that computed address of a goto is executable.
(expand_computed_goto): If -fcheck-memory-usage, check that computed address
of a goto is executable.
(expand_asm, expand_asm_operands): If -fcheck-memory-usage, disallow
asm statments.
Richard Kenner [Sat, 2 Aug 1997 17:17:17 +0000 (13:17 -0400)]
(expand_builtin, case BUILT_IN_AGGREGATE_INCOMING_ADDRESS): New case.
(expand_assignment, expand_expr, emit_push_insn, store_expr):
Insert calls to chkr_check_addr, chkr_set_right, and chkr_copy_bitmap
when -fcheck-memory-usage.
(get_push_address, get_memory_usage_from_modifier): New functions.
Richard Kenner [Sat, 2 Aug 1997 17:14:33 +0000 (13:14 -0400)]
(expand_call): If -fcheck-memory-usage...
(expand_call): If -fcheck-memory-usage, use pseudo-register, check
indirectly called function is executable, and set rights of memory for
aggregate as write only.
(store_one_arg): If -fcheck-memory-usage, set rights for pushed stack
argument.
git://gcc.gnu.org / gcc.git / log