Tue Nov 4 13:40:35 1997 Doug Evans * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling. (yylex): Record wide strings using target endianness, not host. Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com) * mn10200.h (ASM_OUTPUT_BSS): Delete. (ASM_OUTPUT_ALIGNED_BSS): New macro * mn10300.h (ASM_OUTPUT_BSS): Delete. (ASM_OUTPUT_ALIGNED_BSS): New macro. * v850.h (ASM_OUTPUT_BSS): Delete. (ASM_OUTPUT_ALIGNED_BSS): New macro. Tue Nov 4 00:55:48 1997 J"orn Rennecke * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP. Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com) * configure.in (sco5): Use cpio to install header files. Sun Nov 2 23:31:43 1997 Manfred Hollstein * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to 14 char length. * configure: Rebuild. Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com) * i386/sco5.h: enable -gstabs once again. Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com) * arm.c (output_move_double): Allocate 3 entries in otherops array. Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com) * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG notes for sjlj exceptions too. (expand_eh_region_end): Similarly for EH_REGION_END notes. (exception_optimize): Optimize EH regions for sjlj exceptions too. * final.c (final_scan_insn): Don't output labels for EH REGION notes if doing sjlj exceptions. Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com) * alias.c (init_alias_analysis): Handle -fno-alias-check when optimizing correctly. * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note or set current_function_calls_setjmp anymore. * flow.c (find_basic_blocks): If we delete the label for an exception handler, remove it from the EH label list and remove the EH_BEGIN/EH_END notes for that EH region. Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com) * flow.c (find_basic_blocks): Generate correct flow control information when exception handling notes are present. Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com) * dwarf2out.c (output_call_frame_info): Fix length argument to ASM_OUTPUT_ASCII. (output_die, output_pubnames, output_line_info): Likewise. Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if flag_debug_asm is on. (output_die, output_pubnames, output_line_info): Likewise. * alias.c (init_alias_analysis): Add struct_value_incoming_rtx and static_chain_rtx into the potential base values array if they are registers. * alias.c (new_reg_base_value): New array of potential base values. (unique_id): Now file scoped static. (find_base_value, case REG): Return the value in reg_base_value array for the REG if it exists. Else, return the value from new_reg_base_value if copying args and REG is a hard register. (find_base_value, case PLUS): If either operand of the PLUS is a REG, try to get its base value. Handle base + index and index + base. (record_set): Use new_reg_base_value instead of reg_base_value. (init_alias_analysis): Allocate space for new_reg_base_value too. Rework code to iterate over the insns propagating base value information until nothing changes. * global.c (global_alloc): Free the conflict matrix after reload has finished. Fri Oct 31 01:45:31 1997 Jason Merrill * libgcc2.c (L_eh): Define __eh_pc. Replace __eh_type with generic pointer __eh_info. Fri Oct 31 00:34:55 1996 J"orn Rennecke * expr.c (expand_increment): When enqueing a postincrement for a MEM, use copy_to_reg if address is not a general_operand. Fri Oct 31 00:16:55 1997 J"orn Rennecke * profile.c (output_func_start_profiler): Clear flag_inline_functions for the duration of the call to rest_of_compilation. Thu Oct 30 14:40:10 1997 Doug Evans * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf. Set extra_parts. (sparc*-*-*): Recognize --with-cpu=v9. * sparc/elf.h: New file. * sparc/t-elf: New file. Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com) * mn10300.c (const_8bit_operand): New function. (mask_ok_for_mem_btst): New funtion. * mn10300.md (btst patterns with mem operands): Use new functions to avoid creating btst instructions with invalid operands. Wed Oct 29 16:57:19 1997 Michael Meissner * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we are running on PowerPC Linux. Wed Oct 29 13:10:11 1997 Gavin Koch * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define if not previously defined. Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com) * function.c (assign_parms): Correct mode of stack_parm if entry_parm underwent a mode conversion. 1997-10-28 Brendan Kehoe * global.c (global_alloc): Use xmalloc instead of alloca for CONFLICTS, since max_allocno * allocno_row_words alone can be more than 2.5Mb sometimes. Tue Oct 28 15:29:15 1997 Richard Henderson * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of DEST for the spill, adjust mode of SRC to compensate. Tue Oct 28 14:36:45 1997 Richard Henderson * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p, since any_memory_operand() allows pseudos during reload. (reload_inhi, reload_outqi, reload_outhi): Likewise. Tue Oct 28 11:53:14 1997 Jim Wilson * m68k.md (btst patterns): Add 5200 support. Tue Oct 28 11:58:40 1997 Toon Moene * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3) optimizations, look inside dividend to determine if the expression can be simplified by using EXACT_DIV_EXPR. Tue Oct 28 10:19:01 1997 Jason Merrill From Brendan: * dwarf2out.c (output_call_frame_info): Use l1 instead of ".". Tue Oct 28 00:32:14 1997 Richard Henderson * alpha.c (summarize_insn [SUBREG]): Propogate SET. Mon Oct 27 23:59:26 1997 Richard Henderson * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap on a CLOBBER. Mon Oct 27 21:25:20 1997 Richard Henderson * alpha.md (movqi, movhi): Make sure new insns created during reload won't need reloading themselves. (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise. Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com) * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg. Sun Oct 26 13:50:44 1997 Richard Henderson * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask. Patch from Klaus Kaempf . Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com) * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference to an element in a constant string. Sun Oct 26 11:41:49 1997 Jason Merrill * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32 bit PC-relative offset. The exception range table pointer is now in the CIE. * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta. (count_fdes, add_fdes, get_cie): Adjust. (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses. From H.J. Lu: * frame.c (count_fdes, add_fdes): Skip linked once FDE entries. Sun Oct 26 11:52:01 1997 Richard Henderson * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just like stack_pointer_rtx. Sun Oct 26 11:32:16 1997 Manfred Hollstein * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap targets using "$@" to provide support for similar but not identical targets without having to duplicate code. (bootstrap4): New goal. * Makefile.in (compare, compare-lean, compare3): Combined to one ruleset determining actions to be performed via $@. (compare4, compare4-lean): New targets. (gnucompare, gnucompare3): Combined to one ruleset determining actions to be performed via $@. Also, note which files failed the comparison test in .bad_compare. (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets. Sun Oct 26 10:06:11 1997 Toon Moene * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR if the dividend is a multiple of the divisor. Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions. * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC, and POS_DEC. * alias.c (true_dependence): Fix typo. * toplev.c (flag_rerun_loop_opt): New variable. (f_options): Handle -frerun-loop-opt. (rest_of_compilation): If -frerun-loop-opt, then run the loop optimizer twice. (main): Enable -frerun-loop-opt by default for -O2 or greater. * loop.c (simplify_giv_expr): Adding two invariants results in an invariant. Sun Oct 26 09:15:15 1997 Richard Henderson * expr.c (get_inner_reference): Remove the array bias after converting the index to Pmode. Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com) * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug. (TARGET_MULT_BUG): Define. (TARGET_DEFAULT): Default to TARGET_MULT_BUG. * mn10300.md (mulsi3): Handle TARGET_MULT_BUG. Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com) * mn10200.c (indirect_memory_operand): Delete unused function. * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'. * mn10200.md (bset, bclr insns): Handle output in a reg too. Fri Oct 24 15:54:57 1997 Richard Henderson * alpha.md (call patterns): Revert Oct 16 change; if we are to elide the callee's ldgp, we must do it ourselves, and we use the jsr tag for more than scheduling. Fri Oct 24 13:23:04 1997 Doug Evans * sparc/sparc.h (ASM_SPEC): Delete asm_arch. Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com) * mn10300.c (symbolic_operand, legitimize_address): New functions. * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address. (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic. Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Thu Oct 23 08:03:59 1997 J"orn Rennecke * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string for FILENAME. Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com) * toplev.c (flag_exceptions): Default value is 2. (compile_file): If flag_exceptions still has the value 2, then set it to 0. * rs6000.c (struct machine_function): Add pic_offset_table_rtx. (rs6000_save_machine_status): Save pic_offset_table_rtx. (rs6000_restore_machine_status: Restore pic_offset_table_rtx. * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions are shared. * rs6000.md (*movsi_got_internal_mem): New pattern. (*movsi_got_internal_mem splitter): New define_split. Tue Oct 21 18:14:03 1997 Jim Wilson * obstack.h (obstack_empty_p): Fix spurious space after backslash. Tue Oct 21 18:34:01 1997 Geoffrey KEATING * rs6000.c: Avoid creating a stack frame under SYSV ABI if we only need to save LR. Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com) * mn10300.md (movqi, movhi): Avoid using address registers as destinations unless absolutely necessary. * mn10200.c (expand_prologue): Fix typo. * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed addresses. * mn10200.md (neghi2): Provide an alternative which works if the input and output register are the same. * mn10300.c (print_operand): Handle 'S'. * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for shift amount in last alternative * mn10300.c (expand_epilogue): Rework to handle register restores in "ret" and "retf" instructions correctly. Mon Oct 20 16:47:08 1997 Jim Wilson * expmed.c (extract_bit_field): Don't make flag_force_mem disable extzv for memory operands. * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse redundant conditional moves to single operand. Mon Oct 20 15:30:26 1997 Nick Clifton * v850.h: Move define of __v850__ from CPP_PREDEFINES to CPP_SPEC. * xm-v850.h: Use __v850 rather than __v850__ to identify v850 port. Mon Oct 20 14:15:02 1997 Jim Wilson * mips/mips.c (compute_frame_size): Not a leaf function if profile_flag set. Mon Oct 20 14:16:38 1997 Geoffrey KEATING * rs6000/t-ppccomm: Use -msdata=none for crtstuff. Mon Oct 20 12:28:17 1997 Doug Evans * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete. (DEFAULT_ARCH32_P): New macro. (TARGET_ARCH{32,64}): Allow compile time or runtime selection. (enum cmodel): Declare. (sparc_cmodel_string,sparc_cmodel): Declare. (SPARC_DEFAULT_CMODEL): Provide default. (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}. (TARGET_FULLANY): Deleted. (TARGET_CM_MEDMID): New macro. (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC. (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC. (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch). (CPP_SPEC): Rewrite. (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros. (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros. (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros. (ASM_SPEC): Add %(asm_arch). (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default. Rename asm_default to asm_cpu_default. Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian, cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch. (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH. ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values. (MASK_INT64,MASK_LONG64): Delete. (MASK_ARCH64): Renamed to MASK_64BIT. (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete. (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG. (TARGET_SWITCHES): Always provide 64 bit options. (ARCH64_SWITCHES): Delete. (TARGET_OPTIONS): New option -mcmodel=. (INT_TYPE_SIZE): Always 32. (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH. (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_.... (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support. (PRINT_OPERAND_PUNCT_VALID_P): Add '_'. * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. * sparc/linux.h: Likewise. * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete. (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC. (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT. (SPARC_DEFAULT_CMODEL): Define. (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. (LONG_DOUBLE_TYPE_SIZE): Define. (ASM_SPEC): Add %(asm_arch). * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. (TARGET_CPU_DEFAULT): Add ultrasparc case. * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete. (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. (SPARC_DEFAULT_CMODEL): Define. * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete. (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete MASK_LONG64, MASK_MEDANY. (SPARC_DEFAULT_CMODEL): Define. (CPP_PREDEFINES): Delete. (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC. (ASM_SPEC): Add %(asm_arch). (LONG_DOUBLE_TYPE_SIZE): Define. (DWARF2_DEBUGGING_INFO): Define. * sparc/splet.h (CPP_SPEC): Delete. * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC. (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support. (BLOCK_PROFILER): Likewise. * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals. (sparc_override_options): Handle code model selection. (sparc_init_expanders): Renamed from sparc64_init_expanders. * sparc/sparc.md: TARGET_ renamed to TARGET_CM_.... TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY. (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_.... (sethi_di_fullany): Delete. Mon Oct 20 02:00:18 1997 Klaus Kaempf Jeff Law Richard Kenner * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case. (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise. (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise. (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise. * alpha/alpha.md (arg_home): Likewise. * alpha/alpha.c (vmskrunch): Delete * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete. * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't truncate to 64 characters. * make-l2.com: Support openVMS/Alpha. * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX. Sun Oct 19 19:00:35 1997 J"orn Rennecke * longlong.h (count_leading_zeros): Add missing casts to USItype. Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com) * i386/bsd386.h (ASM_COMMENT_START): Define. Sat Oct 18 13:47:15 1997 Jason Merrill * tree.c (restore_tree_status): Also free up temporary storage when we finish a toplevel function. (dump_tree_statistics): Print stats for backend obstacks. Sat Oct 18 12:47:31 1997 Doug Evans * expr.c (use_group_regs): Don't call use_reg for MEMs. Sat Oct 18 09:49:46 1997 Jason Merrill * libgcc2.c (__throw): Don't copy the return address. * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address. * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized). * toplev.c (main): Initialize exceptions_via_longjmp. * tree.c: Add extra_inline_obstacks. (save_tree_status): Use it. (restore_tree_status): If this is a toplevel inline obstack and we didn't want to save anything on it, recycle it. (print_inline_obstack_statistics): New fn. * function.c (pop_function_context_from): Pass context to restore_tree_status. * obstack.h (obstack_empty_p): New macro. Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com) * i386/freebsd.h (ASM_COMMENT_START): Fix. Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com) * v850.c (ep_memory_offset): New function. (ep_memory_operand, substitute_ep_register, v850_reorg): Call it. * v850.h (CONST_OK_FOR_*): Add and correct comments. (CONSTANT_ADDRESS_P): Add comment. (EXTRA_CONSTRAINT): Define 'U'. * v850.md: Add comments on bit field instructions. (addsi3): Delete &r/r/r alternative. Add r/r/U alternative. (lshrsi3): Use N not J constraint. * v850.md (v850_tst1+1): New define_split for tst1 instruction. * v850.c (reg_or_0_operand): Call register_operand. (reg_or_int5_operand): Likewise. * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros. (TARGET_SWITCHES): Add "big-switch". (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE, ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH. (CASE_DROPS_THROUGH): Comment out. (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define. * v850.md (cmpsi): Delete compare mode. (casesi): New pattern. * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero. * v850.md (ashlsi3): Use SImode not QImode for shift count. (lshrsi3): Likewise. * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete unreachable switch statement after 'b' support. Remove "b" from strings for 'b' support. * v850.md (branch_normal, branch_invert): Change %b to b%b. Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an empty line if @inhibit_libc@ is empty. Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com) * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj. (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined. (EH_FRAME_SECTION_ASM_OP_COFF): Likewise. (DWARF2_UNWIND_INFO): Let this track object file format. (EXTRA_SECTIONS): Add in_eh. (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define. (EH_FRAME_SECTION_ASM_OP_COFF): Likewise. Fri Oct 17 17:13:42 1997 David S. Miller * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2. * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when TARGET_MEDANY. * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed. (output_double_int): Output DI mode values correctly when HOST_BITS_PER_WIDE_INT is 64. (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use fmovd so it works if a quad float ends up in one of the upper 32 float regs. * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns necessary for PIC support on sparc64. Fri Oct 17 13:39:56 1997 Doug Evans * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS. * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64. (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define. (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros. (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros. (SPARC_FP_ARG_FIRST): New macro. (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now. (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs. (NPARM_REGS): There are 32 fp argument registers now. (FUNCTION_ARG_REGNO_P): Likewise. (FIRST_PARM_OFFSET): Update to new v9 abi. (REG_PARM_STACK_SPACE): Define for arch64. (enum sparc_arg_class): Delete. (sparc_arg_count,sparc_n_named_args): Delete. (struct sparc_args): Redefine and use for arch32 as well as arch64. (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete. (FUNCTION_ARG_ADVANCE): Rewrite. (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite. (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite. (FUNCTION_ARG_CALLEE_COPIES): Delete. (FUNCTION_ARG_{PADDING,BOUNDARY}): Define. (STRICT_ARGUMENT_NAMING): Define. (doublemove_string): Declare. * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete. (single_move_string): Use GEN_INT, and HOST_WIDE_INT. (doublemove_string): New function. (output_move_quad): Clean up some of the arch64 support. (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64. Don't add 8 bytes of reserved space if arch64. (sparc_builtin_saveregs): Combine arch32/arch64 versions. (init_cumulative_args): New function. (function_arg_slotno): New static function. (function_arg,function_arg_partial_nregs): New functions. (function_arg_{pass_by_reference,advance}): New functions. (function_arg_padding): New function. * ginclude/va-sparc.h: Rewrite v9 support. Fri Oct 17 12:29:48 1997 Christian Iseli * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P for hard regs to determine base and index registers. * reload.c (debug_reload_to_stream): New function. Specify stream into which to write debug info. (debug_reload): Modify to call debug_reload_to_stream with stderr. Thu Oct 16 15:07:51 1997 Richard Henderson * combine.c (can_combine_p): Don't combine with an asm whose output is a hard register. Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com) * c-decl.c (start_struct): Ensure that structs with forward declarations are in fact packed when -fpack-struct is given. * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if we are packing a structure. This allows a structure with only bytes to be aligned on a byte boundary and have no padding on a m68k. Thu Oct 16 15:17:54 1997 Richard Kenner * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record. Thu Oct 16 11:20:30 1997 Richard Henderson * alpha.c (alpha_return_addr_rtx): New variable. (alpha_save_machine_status): New; save it. (alpha_restore_machine_status): New; restore it. (alpha_init_expanders): New; clear it. (alpha_return_addr): New; set it. (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live is overly conservative, so search the insns explicitly. (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed. (alpha_sa_size [VMS && !VMS]): Likewise. * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr. (INIT_EXPANDERS): New definition. * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file. (output_prolog [!VMS]): Use them. * alpha.c (output_prolog [!VMS]): Move gp detection to ... (alpha_does_function_need_gp): ... a new function. Refine the CALL_INSN test to just TYPE_JSR. * alpha.md (most call insns): Fix some jsr/ibr type transpositions. Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Wed Oct 15 21:38:18 1997 Richard Kenner * pa.c (move_operand): Respect -mdisable-indexing. * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise. Wed Oct 15 21:34:45 1997 David Edelsohn * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for PPC601. (umulsidi3,umulsi3_highpart): Ditto. (smulsi3_highpart_no_mq): Add !TARGET_POWER. Wed Oct 15 18:21:46 1997 Richard Henderson * alpha.c (final_prescan_insn): Gut, remove and transform to ... (alpha_handle_trap_shadows): ... a new function. Handle the entire function in one go. Emit RTL for trapb, instead of printf directly. (alpha_reorg): New function. Call alpha_handle_trap_shadows. (trap_pending): Kill global variable. (output_epilog): Don't call final_prescan_insn. (struct shadow_summary): Elide $31 and $f31; now it fits in a word. * alpha.h (FINAL_PRESCAN_INSN): Remove. (MACHINE_DEPENENT_REORG): Define. * alpha.md (jsr patterns with trapb): Stupid and useless. Kill. (trapb): New insn. Wed Oct 15 18:16:05 1997 Richard Henderson Tune Haifa scheduler for Alpha: * alpha.h (ISSUE_RATE): Define. * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply EV4 adjustments to EV5. * alpha.md: Remove all scaling from function unit delays. Rework EV5 function units to match the CPU. (umuldi3_highpart): EV5 added the IMULH insn class. Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com) * pa.c (following_call): Fail if the CALL_INSN is an indirect call. Tue Oct 14 12:01:00 1997 Mark Mitchell * cplus-dem.c (demangle_signature): Don't look for return types on constructors. Handle member template constructors. Tue Oct 14 11:30:29 1997 Jason Merrill * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns. * tree.h: Declare them. Fri Oct 10 13:46:56 1997 Doug Evans * configure.in: Handle --with-newlib. * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@. * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete. Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com) * config/ptx4.h: Fix typo. Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Tue Oct 7 16:27:34 1997 Manfred Hollstein * aclocal.m4: Substitute INSTALL. * configure: Re-built. Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com) * integrate.c (save_for_inline_copying): Avoid undefined pointer operations. (expand_inline_function): Likewise. * dwarf2out.c (output_call_frame_info): Reinstate last change using flag_debug_asm check instead of flag_verbose_asm. Tue Oct 7 12:57:26 1997 Jim Wilson * dwarf2out.c (output_call_frame_info): Remove last change. 1997-10-04 Andreas Schwab * frame.c (__frame_state_for): Execute the FDE insns until the current pc value is strictly bigger than the target pc value. Tue Oct 7 11:00:42 1997 Jason Merrill * regclass.c (init_reg_modes): If we can't find a mode for the register, use the previous one. Tue Oct 7 10:55:34 1997 Richard Henderson * haifa-sched.c (print_block_visualization): Call fprintf directly, don't sprintf through an alloca'ed buffer. Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de) * reload.c (decompose): Always initialize val.base. Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de) * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment instead of aborting. * dwarf2out.c (output_call_frame_info): Call app_enable and app_disable to let GNU as accept the generated comments. Tue Oct 7 11:41:21 1997 Michael Meissner * tree.h (get_file_function_name): Add declaration. * dwarf2out.c (output_call_frame_info): No need to cast get_file_function_name call anymore. * profile.c (toplevel): Remove get_file_function_name declaration. * c-lang.c (finish_file): Ditto. Tue Oct 7 10:01:45 1997 Chip Salzenberg * Makefile.in (program_transform_name): Let autoconf substitute the correct value. Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (schedule_block): If the first real insn in a block has any special notes attached to it, remove them. Tue Oct 7 09:48:51 1997 Richard Henderson * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5. Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de) * m88k.c (m88k_begin_prologue): Remove superfluous backslash. Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in (check-g77): New test target. (CHECK-TARGETS): Add check-g77. Fri Oct 3 11:56:36 1997 Jason Merrill * toplev.c (rest_of_compilation): Defer all non-nested inlines. Fri Oct 3 15:49:27 1997 Michael Meissner * flow.c (print_rtl_with_bb): Cast alloca return value for in_bb_p. Thu Oct 2 21:15:03 1997 Richard Henderson * i386.h (RETURN_ADDR_RTX): New definition that works for __builtin_return_address(0) and -fomit-frame-pointer. Wed Oct 1 13:43:53 1997 Jim Wilson Bring over from FSF. Tue Aug 5 16:10:45 1997 Jason Merrill * mips.c (function_arg): Handle passing a struct containing a double in a DFmode register without the PARALLEL. Wed Oct 1 11:13:25 1997 Ian Lance Taylor * pexecute.c: Use spawn if __CYGWIN32__. * pexecute.c: Include "config.h" first, as per autoconf manual (from Paul Eggert ). Wed Oct 1 01:44:36 1997 Philippe De Muyter * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump optimisation for f/expr.o and f/stb.o. Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com) * cse.c (this_insn_cc0_mode): Initialize. Tue Sep 30 23:09:40 1997 Thomas Koenig * cccp.c (expand_to_temp_buffer): Initialize all members of obuf. * haifa-sched.c (get_block_head_tail): Remove unneeded initialization. Tue Sep 30 23:06:43 1997 Richard Henderson * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since that pair will dual-issue on the 21164 and plus+beq won't. (bne): Likewise for cmpeq+beq. Tue Sep 30 16:07:58 1997 Jim Wilson * except.c (find_exception_handler_labels): Correct argument to free. Tue Sep 30 11:00:00 1997 Brendan Kehoe * except.c (find_exception_handler_labels): Free LABELS when we're done. Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Mon Sep 29 10:51:53 1997 Jason Merrill * flow.c (find_basic_blocks): Mark calls as potentially jumping to the EH labels. Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com) * configure.in: Substitute for "install" too. * configure: Rebuilt. Mon Sep 29 00:38:42 1997 Aaron Jackson * Makefile.in (bootstrap-lean, compare-lean): New targets. Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com) * alias.c (base_alias_check): Two symbols can conflict if they are accessed via AND. (memrefs_conflict_p): Likewise. * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn after flushing argument registers to the stack. * Makefile.in (mostlyclean): Remove .regmove files. Sun Sep 28 18:59:58 1997 Jason Merrill * libgcc2.c (__throw): Fix thinko. Sun Sep 28 12:00:52 1997 Mark Mitchell * cplus-dem.c (demangle_template): Add new parameter. Handle new template-function mangling. (consume_count_with_underscores): New function. (demangle_signature): Handle new name-mangling scheme. Sun Sep 28 01:55:04 1997 Philippe De Muyter * flow.c (print_rtl_with_bb): Cast alloca return values for variables start and end. Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com) * frame.c: Remove last change. * dwarf2.h: Remove last change. * tree.h: Add declarations of DWARF2 unwind info support functions. Sat Sep 27 11:02:38 1997 Jason Merrill * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size. * tree.h (built_in_function): Likewise. * expr.c (expand_builtin): Likewise. * except.h: Likewise. * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn. * libgcc2.c (copy_reg): New fn. (__throw): Use it. Fri Sep 26 08:54:59 1997 Paul Eggert * c-typeck.c (build_binary_op): Warn about comparing signed vs unsigned if -W is specified and -Wno-sign-compare is not. * c-decl.c (warn_sign_compare): Initialize to -1. (c_decode_option): -Wall no longer implies -Wsign-compare. Fri Sep 26 09:00:13 1997 Andreas Schwab * frame.c: Include gansidecl.h for PROTO. * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is defined. Don't declare dwarf2out_cfi_label here. * dwarf2.h: Add declarations of DWARF2 unwind info support functions. * m68k.c: Include dwarf2.h. (output_function_prologue): Add dwarf2 support. * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros. (INCOMING_FRAME_SP_OFFSET): Likewise. * integrate.c (expand_inline_function): Make sure there is at least one insn that can be used as an insertion point. Wed Sep 24 21:34:06 1997 Jason Merrill * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/ Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Wed Sep 24 17:36:23 1997 Doug Evans Bring over from FSF. Wed Sep 24 19:17:08 1997 Doug Evans * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32. (get_pc_via_rdpc): Renamed from get_pc_sp64. * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call. Wed Sep 24 18:38:22 1997 David S. Miller * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc. (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=, -malign-functions=. (sparc_align_{loops,jumps,funcs}_string): Declare. (sparc_align_{loops,jumps,funcs}): Declare. (DEFAULT_SPARC_ALIGN_FUNCS): New macro. (FUNCTION_BOUNDARY): Use sparc_align_funcs. (STACK_BIAS): Define. (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform test. (SPARC_SETHI_P): New macro. (CONST_OK_FOR_LETTER_P): Use it. (ASM_OUTPUT_ALIGN_CODE): Define. (ASM_OUTPUT_LOOP_ALIGN): Define. * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals. (sparc_align_{loops,jumps,funcs}): New globals. (sparc_override_options): Handle -malign-loops=, -malign-jumps=, -malign-functions=. (move_operand): Use SPARC_SETHI_P. (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then perform test. (arith11_double_operand): Likewise. (arith10_double_operand): Likewise. (finalize_pic): Finish sparc64 support. (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of 64 bit constants if able. (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD. (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if ! TARGET_FPU. * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx. (get_pc_sp32): Use for sparc64 as well. (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts. (sethi_di_sp64_const): Likewise. (movtf_cc_sp64): Check TARGET_HARD_QUAD. (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast. (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise. Tue Sep 23 19:02:46 1997 Doug Evans * sparc/linux-aout.h (COMMENT_BEGIN): Delete. * sparc/linux.h (COMMENT_BEGIN): Likewise. * sparc/linux64.h (COMMENT_BEGIN): Likewise. Tue Sep 23 14:48:18 1997 David S. Miller Add sparc64 linux support. * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h to xm_file list on 32-bit sparc-linux. * sparc/xm-sp64.h: New file. * sparc/linux64.h: New file. * sparc/xm-linux.h: Include some standard headers if not inhibit_libc. Don't include xm-sparc.h. * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define. * glimits.h (LONG_MAX): Handle sparc64. Sat Sep 20 03:07:54 1997 Doug Evans * sparc/sysv4.h (ASM_COMMENT_START): Delete. * sparc.h (ASM_COMMENT_START): Define. * sparc.c (output_function_prologue): Use it. (sparc_flat_output_function_{epi,pro}logue): Likewise. Wed Sep 17 15:04:19 1997 Doug Evans * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete, use sparc.h's copies. * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print ascii form as well. Mon Sep 8 08:45:19 1997 Richard Kenner * sparc.c (dwarf2out_cfi_label): Add declaration. (save_regs, output_function_prologue): Remove cast for it. (sparc_flat_{save_restore,output_function_prologue): Likewise. ({save,restore}_regs): No longer inline. Tue Sep 23 12:34:51 1997 Richard Kenner * fold-const.c (make_range): Correctly handle cases of converting from unsigned to signed type. Tue Sep 23 12:34:51 1997 Bernd Schmidt * fold-const.c (merge_ranges): Make sure that if one range is subset of another, it will always be the second range. Correct (+,-) case to account for this. Tue Sep 23 08:32:51 1997 Jason Merrill * final.c (final_end_function): Also do dwarf2 thing if DWARF2_DEBUGGING_INFO. (final_start_function): Likewise. Tue Sep 23 01:15:50 1997 David S. Miller * expmed.c (expand_divmod): If compute_mode is not the same as mode, handle the case where convert_modes() causes op1 to no longer be a CONST_INT. * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED note holding get_jump_flags() calculation to all JUMP_INSNs. * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA. * rtl.c (reg_note_name): Add new note types. Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com) * rtlanal.c (computed_jump_p): Fix typo in last change. Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * loop.c (indirect_jump_in_function_p): Return 0 by default. Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com) * rs6000/xm-rs6000.h: Fix thinko in last change. * rs6000/xm-sysv4.h: Likewise. Mon Sep 22 19:33:53 1997 Jim Wilson * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p. Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com) * reg-stack.c (find_blocks): Fix thinko in last change. 1997-09-21 Andreas Schwab * m68k.c (output_function_prologue): Add dwarf2 support. * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM, INCOMING_FRAME_SP_OFFSET): New definitions. Mon Sep 22 11:36:42 1997 David S. Miller * combine.c (try_combine): Use NULL_RTX instead of '0' where appropriate in calls to gen_rtx(). * cse.c (cse_main): Likewise. * emit-rtl.c (gen_label_rtx): Likewise. * expr.c (init_expr_once): Likewise. * haifa-sched.c (flush_pending_lists, sched_analyze_insn, sched_analyze, init_rgn_data_dependences, compute_block_backward_dependences): Likewise. * sched.c (schedule_insns): Likewise. * varasm.c (immed_double_const): Likewise. * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to SPARC_STACK_BIAS for sake of dwarf2 on sparc64. Mon Sep 22 11:21:33 1997 J. Kean Johnston * i386/sco5.h: Make ELF default file format and add -mcoff/-melf.. (MULTILIB_DEFAULTS): Define. (ASM_SPEC, CPP_SPEC): Handle -mcoff. (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise. (LIBGCC_SPEC): Likewise. (MASK_COFF, TARGET_COFF, TARGET_ELF): Define. (SUBTARGET_SWITCHES): Add -mcoff and -melf. * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC. (CRTSTUFF_T_CFLAGS_S): Tweak for COFF. (EXTRA_PARTS, TAROUTOPTS): Delete. (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete. (MULTILIB_OPTIONS): Define. (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise. (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise. Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com) * loop.c (loop_number): Delete function. Change all references to use uid_loop_num array. * loop.h (loop_number): Delete declaration. * unroll.c (unroll_loop): Change "loop_number" references to use uid_loop_num instead. * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA conditional. (loop_unroll_iter): Remove unused variable and all references. (loop_optimize): Always allocate and clear space for loop_unroll_factor. (insert_bct): Fix minor formatting problems. * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA. (loop_unroll_iter): Removed unused decl. * unroll.c (unroll_loop): Remove code to set loop_unroll_iter. Always record the unrolling factor. * cse.c (simplify_relational_operation): Set h0u just like h0s. Similarly for h1u and h1s. * flow.c (jmp_uses_reg_or_mem): Deleted unused function. (find_basic_blocks): Use computed_jump_p to determine if a particular JUMP_INSN is a computed jump. * reg-stack.c (find_blocks): Use computed_jump_p to determine if a particular JUMP_INSN is a computed jump. * rtlanal.c (jmp_uses_reg_or_mem): New function. (computed_jump_p): Likewise. * rtl.h (computed_jump_p): Declare. * genattrtab.c (pc_rtx): Define and initialize. * loop.c (loop_optimize): Always determine if the current function has a computed jump. (indirect_jump_in_function_p): Use computed_jump_p to determine if a particular JUMP_INSN is a computed jump. * loop.c (fix_bct_param): Delete unused function. (check_bct_param): Likewise. Sat Sep 20 16:22:06 1997 Jason Merrill * frame.c (__deregister_frame): Check properly for initialized object. Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined. Fri Sep 19 18:53:50 1997 J"orn Rennecke * jump.c (thread_jumps): check can_reverse_comparison_p before threading a reversed-condition jump. * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p. * haifa-sched.c (update_flow_info): Likewise. Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in (BOOT_CFLAGS): Use -O2. * configure.in (strtoul, bsearch): Have autoconf check for these functions. * configure, config.in: Rebuilt. * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__. * mips/mips.h (alloca): Likewise. * rs6000/xm-rs6000.h (alloca): Likewise. * rs6000/xm-sysv4.h: Likewise. Thu Sep 18 14:22:22 1997 Jason Merrill * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code. * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along. (dwarf2out_stack_adjust): A BARRIER resets the args space to 0. * except.c (end_eh_unwinder): Subtract 1 from return address. * libgcc2.c (__throw): Likewise. (find_exception_handler): Don't change PC here. Compare end with >. Thu Sep 18 10:43:07 1997 Nick Clifton * v850.c (compute_register_save_size): Correct register number. * v850.md (save_interrupt, return_interrupt): Correct register number. * v850/lib1funcs.asm (save_interrupt): Correct register number. (return_interrupt): Use stack pointer, not element pointer. 1997-09-18 Brendan Kehoe * configure.in, configure: Make sure to create the stage* and include symbolic links in each subdirectory. Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com) * pa.md (reload_peepholes): Don't allow addresses with side effects for the memory operand. Wed Sep 17 18:19:53 1997 Jason Merrill * libgcc2.c (find_exception_handler): Subtract one from our PC when looking for a handler, to avoid hitting the beginning of the next region. * except.c (expand_builtin_set_return_addr_reg): Use force_operand. Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com) * mips/abi64.h (LONG_MAX_SPEC): Define. * mips.h (LONG_MAX_SPEC): Define. (CPP_SPEC): Include long_max_spec. (EXTRA_SPECS): Include long_max_spec. Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com) * v850.c (construct_save_jarl): Fix thinko in last change. Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Tue Sep 16 14:22:36 1997 Jason Merrill * libgcc2.c (find_exception_handler): Not found is -1. * integrate.c (expand_inline_function): Move expand_start_bindings after expanding the arguments. Tue Sep 16 11:13:46 1997 Jim Wilson * expr.c (expand_expr): Remove previous incorrect change. If target and slot has no DECL_RTL, then call mark_addressable again for the slot after we give it RTL. Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com) * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable again for the slot after we give it RTL. Tue Sep 16 00:13:20 1997 Nick Clifton * v850.c (register_is_ok_for_epilogue, pattern_is_ok_for_epilogue, construct_restore_jr, pattern_is_ok_for_prologue, construct_save_jarl): New functions. * v850.h (pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New predicates. * v850.md: Replace prologue and epilogue patterns with a match_parallel pattern. Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com) * aclocal.m4: Add replacement for AC_PROG_INSTALL. * configure.in: Use EGCS_PROG_INSTALL. Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com) * dwarf2out.c (gen_subprogram_die): Handle redefinition of an extern inline function. Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com) * dwarf2out.c (reg_loc_descriptor): Fix prototype. (concat_loc_descriptor): New function. (loc_descriptor): Call it. (add_AT_location_description): Also elide the descriptor if both halves of a CONCAT are pseudos. (add_location_or_const_value_attribute): Recognize CONCAT too. Mon Sep 15 15:24:00 1997 Richard Henderson * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS. * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for out-or-range reg_offset. (output_epilog): Likewise. Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com) * cse.c (simplify_relational_operation): If MODE specifies a mode wider than HOST_WIDE_INT, then the high word of a CONST_INT is derived from the sign bit of the low word. Mon Sep 15 11:43:38 1997 Jason Merrill Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86. * dwarf2.h: Add DW_CFA_GNU_args_size. * frame.c (execute_cfa_insn): Likewise. * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise. (dwarf2out_args_size, dwarf2out_stack_adjust): New fns. (dwarf2out_frame_debug): If this isn't a prologue or epilogue insn, hand it off to dwarf2out_stack_adjust. (dwarf2out_begin_prologue): Initialize args_size. * frame.h (struct frame_state): Add args_size. * libgcc2.c (__throw): Use args_size. * final.c (final_scan_insn): If we push args, hand off all insns to dwarf2out_frame_debug. * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS. * dwarf2out.c dwarf2out_frame_debug): Fix typo. Handle epilogue restore of SP from FP. * emit-rtl.c (gen_sequence): Still generate a sequence if the lone insn has RTX_FRAME_RELATED_P set. * frame.c (extract_cie_info): Handle "e" augmentation. * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the absence of UNALIGNED_*_ASM_OP. (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF. (output_call_frame_info): Use "e" instead of "z" for augmentation. Don't emit augmentation fields length. (dwarf2out_do_frame): Move outside of #ifdefs. * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data opcodes. * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all. * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here. * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0. * sparc/sun4gas.h: New file. * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as. * collect2.c (write_c_file_stat, write_c_file_glob): Declare __register_frame_table and __deregister_frame. 1997-09-15 Brendan Kehoe * except.c (find_exception_handler_labels): Use xmalloc instead of alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million in some cases. Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in: Various changes to build info files in the object tree rather than the source tree. Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com) * fixinc.math: New file to fix math.h on some systems. * configure.in (freebsd, netbsd): Use fixinc.math on these systems. * configure: Rebuilt. Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com) * regmove.c (regmove_optimize): If we end up moving the original insn due to lifetime overlaps, make sure to move REG_NOTES too. Sat Sep 13 15:51:11 1997 Manfred Hollstein * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure. Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (add_branch_dependences): Make each insn in a SCHED_GROUP_P block explicitly depend on the previous insn. Fri Sep 12 13:49:58 1997 Jason Merrill * except.h: Prototype dwarf2 hooks. * expr.c: Adjust. Thu Sep 11 17:43:55 1997 Jim Wilson * configure.in (native_prefix): Delete. (mips-dec-netbsd): Don't set prefix. (*linux*): Don't set prefix. Thu Sep 11 15:48:32 1997 Fred Fish * protoize.c: Include only if HAVE_VARARGS_H is defined. If not defined, include if HAVE_SYS_VARARGS_H is defined. * configure.in: Test for varargs.h and sys/varargs.h. * configure: Regenerate with autoconf. * config.in: Regenerate with autoheader. * cpplib.c (quote_string): Cast first arg of sprintf call from "unsigned char *" to "char *". (output_line_command): Ditto. (macroexpand): Ditto. (do_line): Cast atoi arg from "unsigned char *" to "char *". Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. * Makefile.in (compare): Exit with nonzero status if there are comparison failures. Note which files failed the comparison test in .bad_compare. Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__. Wed Sep 10 16:37:28 1997 Fred Fish * Makefile.in (LN, LN_S): New macros, use where appropriate. * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests. * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN. * configure: Regenerated. Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com) * loop.c (strength_reduce): Fix typo. Wed Sep 10 16:01:15 1997 Jim Wilson * m88k/m88k.c (struct option): Rename to struct options. * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here. * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments. * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not __DOLPHIN__ or sysV88. Wed Sep 10 14:58:40 1997 Jim Wilson * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when create new subreg. Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com) * config.sub: Accept 'amigados' for backward compatability. Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * Makefile.in (testsuite/site.exp): New target. (check-gcc, check-g++): Depend on testsuite/site.exp. Don't stop for failure. Wed Sep 10 12:59:57 1997 Jason Merrill * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum() if DWARF2_UNWIND_INFO. Wed Sep 10 11:49:20 1997 Jason Merrill Add support for exception handling using DWARF 2 frame unwind info. Currently works on SPARC and MIPS, and almost on x86. * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr, next_stack_level, in_reg_window): Helper fns. (__throw): Implement for DWARF2_UNWIND_INFO. * expr.c (expand_builtin): Handle builtins used by __throw. * tree.h (enum built_in_function): Add builtins used by __throw. * c-decl.c (init_decl_processing): Declare builtins used by __throw. * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw. * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw. (expand_builtin_extract_return_addr): Likewise. (expand_builtin_frob_return_addr): Likewise. (expand_builtin_set_return_addr_reg): Likewise. (expand_builtin_eh_stub): Likewise. (expand_builtin_set_eh_regs): Likewise. (eh_regs): Choose two call-clobbered registers for passing back values. * frame.c, frame.h: New files for parsing dwarf 2 frame info. * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c. (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS) (stmp-multilib): Likewise. ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions. * except.c: #include "defaults.h". (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO. (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO. (register_exception_table_p): New fn. (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO. (end_eh_unwinder): Likewise. * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP, call __register_frame and __deregister_frame as needed. * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP. * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check EH_FRAME_SECTION_ASM_OP. * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define. * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define. (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols. * dwarf2out.c (output_call_frame_info): If no support for EXCEPTION_SECTION, mark the start of the frame info with a collectable tag. * collect2.c (frame_tables): New list. (is_ctor_dtor): Recognise frame entries. (scan_prog_file): Likewise. (main): Pass -fno-exceptions to sub-compile. Also do collection if there are any frame entries. (write_c_file_stat): Call __register_frame_table and __deregister_frame as needed. (write_c_file_glob): Likewise. * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported. Also require unaligned reloc support. * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define here. * sparc/sysv4.h: Not here. * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}. * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init. (dwarf2out_finish): Don't call dwarf2out_frame_finish. * libgcc2.c (L_eh): Reorganize, moving code shared by different EH implementations to the top. (find_exception_handler): Split out. Start from 0. Compare against end with >=. (__find_first_exception_table_match): Use it. * except.c (output_exception_table): Don't do anything if there's no table. Don't output a first entry of zeroes. (eh_outer_context): Adjust properly. (add_eh_table_entry): Use xrealloc. * toplev.c (compile_file): Just call output_exception_table. Wed Sep 10 11:30:36 1997 Jason Merrill * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case. Wed Sep 10 08:17:10 1997 Torbjorn Granlund * except.c (eh_outer_context): Do masking using expand_and. Wed Sep 10 01:38:30 1997 Doug Evans Add port done awhile ago for the ARC cpu. * arc/arc.h: New file. * arc/arc.c: New file. * arc/arc.md: New file. * arc/initfini.c: New file. * arc/lib1funcs.asm: New file. * arc/t-arc: New file. * arc/xm-arc.h: New file. * ginclude/va-arc.h: New file. * ginclude/stdarg.h: Include va-arc.h ifdef __arc__. * ginclude/varargs.h: Likewise. * Makefile.in (USER_H): Add va-arc.h. * configure.in (arc-*-elf*): Recognize. * longlong.h: Add ARC support. Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com) * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx. when clearing non-BLKmode data. Wed Sep 10 00:29:29 1997 Manfred Hollstein * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define. * libgcc2.c (__enable_execute_stack): Provide for sysV88 too. * xm-m88k.h (USG): Only define if it hasn't already been defined. * Makefile.in (risky-stage1): Delete gratutious whitespace. * Makefile.in (clean): Delete libgcc1-test. * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo. Tue Sep 9 17:07:36 1997 Stan Cox * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list template. Tue Sep 9 09:50:02 1997 Richard Kenner * dwarf2out.c (output_call_frame_info): Call named_section. Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (print_value): Fix last change. Tue Sep 9 01:30:37 1997 Jason Merrill * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of write_symbols. Mon Sep 8 16:32:43 1997 Jason Merrill * mips.c (function_prologue): Set up the CFA when ABI_32. * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG for dwarf2 unwind info. (output_function_prologue, sparc_flat_output_function_prologue): Same. * final.c (final_end_function): Check dwarf2out_do_frame instead of DWARF2_DEBUG for dwarf2 unwind info. (final_scan_insn): Likewise. (final_start_function): Likewise. Initialize dwarf2 frame debug here. (final): Not here. * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if count > 0. * varasm.c (exception_section): Check EXCEPTION_SECTION first. Mon Sep 8 15:15:11 1997 Nick Clifton * v850.h (ASM_SPEC): Pass on target processor. (CPP_PREDEFINES): Only define if not already specified. (TARGET_VERSION): Only define if not already specified. (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target processor. (EXTRA_SWITCHES): Extra entries in the switches array. (TARGET_DEFAULT): Set default target processor. Mon Sep 8 18:26:35 1997 Jim Wilson * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA cases, add %# and %/, and add : to make them into extended asms. Sun Sep 7 23:57:50 1997 Weiwen Liu * alias.c (init_alias_analysis): Clean up incompatible pointer type warning in bzero. * regmove.c (regmove_optimize): Ditto. * haifa-sched.c (find_rgns): Ditto. * haifa-sched.c (print_value): Clean up ptr->int cast warnings. Sun Sep 7 23:18:32 1997 Fred Fish * INSTALL: Change 'amigados' to 'amigaos' to match current usage. * install.texi (Configurations): Ditto. * config.sub: Ditto. Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu) * Makefile.in (sdbout.o): Depend on insn-config.h. Sun Sep 7 18:44:50 1997 Jim Wilson * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881. For 68303, 68332, cpu32, subtract MASK_68040_ONLY. Sun Sep 7 18:30:46 1997 Jason Merrill * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL prologue insn, only the first elt is significant. (output_call_frame_info): For exception handling, always use 4-byte fields as specified by the dwarf2 spec. Don't skip trivial FDEs. Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se) * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR when op1_is_pow2. Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com) * final.c (shorten_branches): During first pass, assume worst possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns. * Makefile.in (distclean): Remove various things left around by running the testsuite. Sun Sep 7 13:16:06 1997 Manfred Hollstein * configure.in (out_file): Emit definition to config.status in order to have a defined value for configure.lang. * configure: Re-built. Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl) * configure.in: Make symlink to as-new rather than as.new. Similarly for ld-new. * configure: Rebuilt. Fri Sep 5 16:54:55 1997 Jim Wilson * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero. Fri Sep 5 16:16:44 1997 Christian Kuehnke * sparc/sparc.md: Add ultrasparc scheduling support. * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns. Fri Sep 5 14:04:59 1997 Philippe De Muyter * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR, as initial value for real_label_map. (copy_for_inline): Likewise. Fri Sep 5 13:36:44 1997 J"orn Rennecke * sched.c (update_flow_info) When looking if to set found_split_dest or found_orig_dest, look at all parts of a PARALLEL. * haifa-sched.c (update_flow_info): Likewise. Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com) * v850: New directory for v850 port. * v850/lib1funcs.asm: New file. * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files. * ginclude/va-v850.h: New file. * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h. * configure.in (mn10200-*-*): New target. * configure: Rebuilt. * config.sub: Handle v850-elf. * Makefile.in (USER_H): Add va-mn10200.h. * invoke.texi: Document v850 stuff. Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com) * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN has integer TYPE_{MAX,MIN}_VALUE before using them. * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add __HPUX_ASM__ versions. Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com) * install.sh: Delete duplicate install script. Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com) * reg-stack.c (subst_stack_regs): Pop the stack register for a computed goto which sets the same stack register. * reg-stack.c (compare_for_stack_reg): Swap only if the source and destination are both on the regstack. (subst_stack_regs_pat): Put the destination at the top of the regstack. Thu Sep 4 15:02:27 1997 Jim Wilson * mips.md (nonlocal_goto_receiver): Define. * profile.c (output_arc_profiler): Check next_insert_after for non NULL before deferencing it. * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC. Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com) * i386.h (CPP_CPU_DEFAULT): Avoid using #elif. Thu Sep 4 15:01:49 1997 Michael Meissner * toplev.c (rest_of_compilation): For passes starting with flow_analysis, use print_rtl_with_bb instead of print_rtl. * print-rtl.c (print_rtl_single): Print a single rtl value to a file. * flow.c (print_rtl_with_bb): Print which insns start and end basic blocks. For the start of a basic block, also print the live information. Thu Sep 4 11:51:43 1997 Jim Wilson * toplev.c (main): Change #elif to #else/#ifdef * tlink.c: Include ctype.h. * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif. Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com) * bitmap.c: Conditionally include stdlib.h. (free): Provide a declaration if NEED_DECLARATION_FREE. Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com) * i960/i960.h: Added default for SUBTARGET_SWITCHES macro. Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com) * profile.c (output_arc_profiler): Verify next_insert_after is an INSN before and after skipping a stack pop. Thu Sep 4 07:39:19 1997 J"orn Rennecke * final.c (shorten_branches): Don't count the lengths of deleted instructions. Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. Thu Sep 4 11:04:21 1997 Michael Meissner * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over two bitmaps ANDed together. (bitmap_print): Declare. * bitmap.c (function_obstack): Don't declare any more. (bitmap_obstack): Obstack for allocating links from. (bitmap_obstack_init): New static to say whether to initialize bitmap_obstack. (bitmap_element_allocate): Use bitmap_obstack to allocate from. (bitmap_release_memory): Free all memory allocated from bitmap_obstack. * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke EXECUTE_IF_AND_IN_BITMAP. Wed Sep 3 10:39:42 1997 Jim Wilson * alias.c (true_dependence): Address with AND can alias scalars. (anti_dependence, output_dependence): Likewise. * alias.c (true_dependence): Test x for BLKmode, in addition to mem. Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com) * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h, sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES definitions. Use -qrtems instead of -mrtems. Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com) * xm-sco5.h (sys_siglist): Define. (SYS_SIGLIST_DECLARED): Likewise. Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com) * expr.c (convert_move): Handle truncation from TQFmode to QFmode. Wed Sep 3 02:09:30 1997 Torbjorn Granlund * except.c (eh_outer_context): Expand masking operation using expand_binop. Tue Sep 2 18:09:39 1997 Jim Wilson * alpha.md (floatdisf2-1): New pattern. Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com) * xm-svr4.h (SYS_SIGLIST_DECLARED): Define. * xm-news.h (SYS_SIGLIST_DECLARED): Likewise. * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise. * gcc.texi: Note that if you define sys_siglist that you should also define SYS_SIGLIST_DECLARED. * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions are relative to the next instruction, not the current instruction. Tue Sep 2 14:22:43 1997 Jim Wilson * local-alloc.c (contains_replace_regs): New function. (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM, verify that there is no existing REG_EQUIV note, and add a call to contains_place_regs. Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__. (STARTFILE_SPEC): Always use crtbegin.o%s (ENDFILE_SPEC): Always use crtend.o%s. Tue Sep 2 12:00:36 1997 Jim Wilson * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS is passed in. * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to SFmode for 64 bit hosts. Tue Sep 2 13:42:38 1997 Paul N. Hilfinger * fixincludes: Permits spaces between # and define. Discard C++ comments in sys/pci.h on HP/UX 10.20. Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for snapshot. * pa.c (restore_unscaled_index_insn_codes): New function. (record_unscaled_index_insn_codes): Likewise. (output_function_prologue): Call restore_unscaled_index_insn_codes. (output_function_epilogue): Free memory for unscaled_index_insn_codes. (pa_reorg): Call record_unscaled_index_insn_codes. * haifa-sched.c (move_insn): Handle notes correctly for insns with SCHED_GROUP_P set. Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * alpha/xm-linux.h (USE_BFD): Undef before define. Mon Sep 1 16:25:34 1997 Jim Wilson * cse.c (cse_insn): Don't record BLKmode values. Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com) * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches. Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com) * cccp.c (sys_errlist): Remove special 4.4bsd declaration. * collect2.c (sys_errlist): Likewise. * cpplib.c (sys_errlist): Likewise. * gcc.c (sys_errlist): Likewise. * protoize (sys_errlist): Likewise. * configure.in: Check for strerror. * xm-freebsd.h (HAVE_STRERROR): Remove definition. * xm-gnu.h (HAVE_STRERROR): Likewise. * xm-linux.h (HAVE_STRERROR): Likewise. * xm-netbsd.h (HAVE_STRERROR): Likewise. * xm-bsd386.h (HAVE_STRERROR): Likewise. * xm-cygwin32.h (HAVE_STRERROR): Likewise. * xm-dos.h (HAVE_STRERROR): Likewise. * xm-mingw32.h (HAVE_STRERROR): Likewise. * xm-pa.h (HAVE_STRERROR): Likewise. * xm-papro.h (HAVE_STRERROR): Likewise. * xm-sysv4.h (HAVE_STRERROR): Likewise. * configure, config.in: Rebuilt. * Makefile.in: Add several missing "else true" clauses. * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED. * mips-tfile.c: Likewise. * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs. * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition. * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise. * configure.in: Check for sys_siglist declaration. * configure, config.in: Rebuilt. Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com) * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sparc/rtems.h (subtarget_switches): Added -mrtems as a switch. * i960/i960.h: Added SUBTARGET_SWITCHES macro. * rs6000/sysv4.h (extra_subtarget_switches): Added new macro EXTRA_SUBTARGET_SWITCHES. * configure.in (sh*-*-rtems*): New target. * sh/rtems.h: New file. * sh/sh.h: Added SUBTARGET_SWITCHES macro. * configure: Rebuilt. Sat Aug 30 22:54:26 1997 Jim Wilson * unroll.c (calculate_giv_inc): Handle increment with code PLUS. Sat Aug 30 10:49:46 1997 David Edelsohn * rs6000.md: Make DF fused-add operations pay attention to -mno-fused-add. Fri Aug 29 19:19:54 1997 Jim Wilson * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define. Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com) * pa.md (reload_peepholes): Make sure operand is a REG before examining REGNO. Allow general registers too. Fri Aug 29 11:42:04 1997 Jim Wilson * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs. Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de) * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc to reallocate abbrev_die_table. Thu Aug 28 15:14:46 1997 Jim Wilson * m68k/m68k.md (iorsi_zexthi_ashl16): Disable. 1997-08-27 Andreas Schwab * Makefile.in (config.status): Depend on version.c * expr.h (insn_gen_function): Reenable prototype. * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of first parameter. Thu Aug 28 13:01:43 1997 Jim Wilson * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic. Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for latest snapshot. * bc-optab.c: Conditionally include stdlib.h. (free): Provide a declaration if NEED_DECLARATION_FREE. * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE. * rtl.h (free): Remove declaration. * tree.h (free): Remvoe declaration. * configure: Rebuilt. Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com) * flags.h (flag_move_all_movables): Declare. (flag_reduce_all_givs): Likewise. * loop.c (move_movables): Handle flag_move_all_movables. (strength_reduce): Handle flag_reduce_all_givs. * toplev.c (flag_move_all_movables): Define. (flag_reduce_all_givs): Likewise. (f_options): Add -fmove-all-movables and -freduce-all-givs. * invoke.texi: Document new options, including alias stuff that wasn't included last time. Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com) * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS. * t-mn10200: Ditto. * t-vxsparc: Ditto. * t-vxworks68: Ditto. * t-vxworks960: Ditto. * t-vx29k: Ditto. Wed Aug 27 16:35:29 1997 Richard Henderson * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC if not already defined, and USE_C_ALLOCA not defined. Wed Aug 27 16:08:43 1997 Jim Wilson * config.guess: Replace with script that uses ../config.guess. * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if USE_GNULIBC_1 is not defined. Wed Aug 27 15:49:12 1997 Richard Henderson * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1. * config.guess: Recognize alpha-linux-gnulibc1. * configure.in (alpha-*-linux-gnulibc1): New target. (alpha-*-linux-gnu*): Don't build crtbegin/end. Wed Aug 27 11:52:58 1997 Jim Wilson * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in last change. Wed Aug 27 01:56:18 1997 Doug Evans * loop.c (combine_movables): Earlier insns don't match later ones. Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * config/linux.h (CC1_SPEC): Define it only if not defined. * config/m68k/linux.h (CC1_SPEC): Undefine it before include * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if USE_GNULIBC_1 is not defined. * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1. * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if USE_GNULIBC_1 is not defined. Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com) * reorg.c (dbr_schedule): Allow current_function_return_rtx to be something other than a REG. * function.c (expand_function_end): Fix current_function_return_rtx if it was a pseudo. * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS. * x-netbsd: Likewise * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS (INSTALL_HEADERS): Delete. * x-dguxbcs: Likewise. * x-hp3bsd44: Likewise * x-pa: Likewise. Wed Aug 27 00:30:00 1997 Bernd Schmidt * i386.md (pop): pop increments the stack pointer. (prologue_set_stack_ptr): New pattern. * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr instead of subsi3. Tue Aug 26 18:50:32 1997 Jim Wilson * reload.c (find_reloads, case '0'): Reject matching a non-offsettable address where an offsettable address is required. Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz> * loop.c (check_final_value): Don't miss a biv increment in a parallel. Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com) * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check TYPE_DECL_IS_STUB instead of DECL_NAME. Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj. Mon Aug 25 23:27:10 1997 Jim Meyering * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES). Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (find_pre_sched_live): Remove #if 0 code. (find_post_sched_live): Likewise. * haifa-sched.c (schedule_block): Remove old code to get arguments from hard regs into pseudos early. Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for new snapshot. * local-alloc.c (update_equiv_regs): All the target to reject promotion of some REG_EQUAL to REG_EQUIV notes. * pa.h (DONT_RECORD_EQUIVALENCE): Define. * pa.c (secondary_reload_class): (mem (mem ... )) does not need secondary reloads. * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the store of the argument registers. Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu) * fold-const.c (multiple_of_p): New function. (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR. Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com) * expr.h (insn_gen_function): Temporarily remove prototype. Sun Aug 24 17:22:21 1997 Jim Wilson * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to filenames. Use sed to extract base filename for install. Sat Aug 23 18:19:40 1997 John F. Carr * unroll.c (find_splittable_givs): Only share if two givs have the same add and multiply values. Sat Aug 23 14:36:27 1997 Jim Wilson * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef. * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it. Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com) * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns around branch tables. * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab and .end_brtab directives if TARGET_GAS. Fri Aug 22 14:05:55 1997 Jim Wilson * alias.c (true_dependence): Pass x_addr not x to varies. * acconfig.h (NEED_DECLARATION_CALLOC): Add. * configure.in: Add GCC_NEED_DECLARATION call for calloc. * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete declarations. * config.in, configure: Regenerate. Thu Aug 21 23:52:16 1997 John F. Carr * alias.c (find_base_value): Improve handling of PLUS, MINUS, and LO_SUM. (record_set): Handle LO_SUM like PLUS. (init_alias_analysis): When following chains of base addresses, do not stop on reaching a hard register. Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com) * version.c: Bump for new snapshot. Thu Aug 21 17:28:00 1997 Jim Wilson * alpha.h (ARCH_ASM_FILE_START): Define. (ASM_FILE_START): Use ARCH_ASM_FILE_START. * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string. Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com) * Makefile.in (install-common): Put gcov comment at start of line. Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com) * alias.c (init_alias_analysis): When simplifying the reg_base_value array, simplify entries for hard registers too. Wed Aug 20 12:35:47 1997 Dave Love * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from list. Wed Aug 20 11:58:33 1997 Jim Wilson * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test block_stack before dereferencing it. Wed Aug 20 11:57:11 1997 Michael Meissner * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate. Tue Aug 19 17:10:56 1997 Jason Merrill * cplus-dem.c: Add 'extern' to prepends_underscore. Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate. (get_issue_rate): Delete. * pa.h (ISSUE_RATE): Define. * 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. * 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. * haifa-sched.c (debug_dependencies): Fix thinko. * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define. (site.exp, check, check-g++, check-gcc): New targets. * haifa-sched.c: Make lots of variables static. Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu) * expr.h, real.h: Finish prototyping. Mon Aug 18 21:49:02 1997 Jim Wilson * 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. Mon Aug 18 17:39:02 1997 Mike Meissner * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single quotes around the name. * configure: Regenerate. Mon Aug 18 13:46:47 1997 Jim Wilson * Makefile.in (stmp-multilib-sub): Fix typo in last change. Thu Aug 7 10:33:13 1997 Manfred Hollstein * 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. Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk) * configure.in: Expurgate `broken_install' (install is autoconfed). * configure.lang: Substitute autoconfed ${INSTALL} (not currently relevant). Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com) * 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. Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com) * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed. (schedule_region): Likewise. (schedule_insns): Likewise. * PROJECTS: Update with Haifa stuff. Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com) * version.c: Change the version string to look like: egcs-2.90.00 970814 (gcc2-970802 experimental). * loop.c (is_conditional_branch): Make definition match declaration. * gcc.c: Take out experimental snapshot warning message. Fri Aug 15 13:43:39 1997 Michael Meissner * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to print out the names of the notes. Print out the name of the insn that is not a note, and not an {,CALL_,JUMP_}INSN. Wed Aug 13 17:32:38 1997 Jason Merrill * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable again for the slot after we give it RTL. Wed Aug 13 01:03:37 1997 Doug Evans * configure.in (haifa configury): Fix typo. * configure: Regenerate. Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com) * 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. Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com) * Integrate Haifa instruction scheduler. * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references to sched with $(SCHED_CFLAGS. * configure.in: Handle --enable-haifa. * configure: Rebuilt. * flags.h: Add new flags for haifa instruction scheduler. * genattrtab.c (expand_units): For haifa, don't subtract one when computing blockage. * toplev.h (flag_schedule_interblock): Haifa scheduler flag. (flag_schedule_speculative): Ditto. (flag_schedule_speculative_load): Ditto. (flag_schedule_speculative_load_dangerous): Ditto. (flag_schedule_reverse_before_reload): Ditto. (flag_schedule_reverse_after_reload): Ditto. (flag_branch_on_count_reg): Ditto. (f_options): Add Haifa switches. (main): Turn off some Haifa options if appropriate macro is defined. Process Haifa switches. * unroll.c (iteration_info): No longer static, since Haifa scheduler uses it. (unroll_loop): Inform HAIFA scheduler about loop unrolling factor. * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value. * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls. * loop.h (loop_initial_value,loop_unroll_iter): New globals. * loop.c (loop_optimize): If HAIFA is defined, allocate additional storage for the Haifa scheduler. (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and LABEL_NEXTREF. (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count are defined, call analyze_loop_iterations and insert_bct to use countdown loops. (record_giv): Refine test for jumps out of loops if HAIFA is defined. (analyze_loop_iterations): New function to identify if we can use a countdown loop. (insert_bct): Insert countdown loop. (instrument_loop_bct): Low level code to insert countdown loop. (loop_number): Calculate UID of loop. (indirect_jump_in_function_p): Return true if an indirect jump is in the function. (is_power_of_2): Return true if value is a power of 2. (is_conditional_branch): Return true if insn is a conditional jump. (fix_bct_param): Process -fbct-{min,max}-N switches. (check_bct_param): Return true if loop should be instrumented. * loop.c (loop_initial_value,loop_unroll_iter): New globals. (loop_optimize): Initialize. (get_condition_for_loop): Ditto. * loop.c (strength_reduce): Inside of code that uses #ifdef HAVE_decrement_and_branch_on_count code, test it to make sure the condition is true. (instrument_loop_bct): Ditto. * haifa-sched.c: New file. * Integrate regmove pass. * Makefile.in (OBJS): Add regmove.o (regmove.o): Add dependencies. * flow.c (find_use_as_address): No longer static. * rtl.h (find_use_as_address): Declare. * toplev.c (regmove_dump, flag_regmove): Define. (f_options): Add -fregmove. (regmove_dump_file, regmove_time): Define. (fatal_insn): Close the regmove dump file. (compile_file): Initialize regmove_time; open/close the regmove dump file as needed. Print regmove time as needed. (rest_of_compilation): Run regmove pass if requested, dump RTL after regmove if requested. (main): If -O2 or more, turn on regmove. Handle dump switches. * regmove.c: New file. Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com) * 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. Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com) * 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. (sched_analyze_2): Add new arguments to true_dependence. (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. * Integrate reload bugfix from Wilon 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. Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com) * egcs project officially starts.