--- gcc/ChangeLog 2018/04/24 16:45:30 1.1.1.9 +++ gcc/ChangeLog 2018/04/24 16:47:24 1.1.1.11 @@ -1,3 +1,336 @@ +Sat Nov 19 02:18:02 1988 Richard Stallman (rms at apple-gunkies.ai.mit.edu) + + * Version 1.31 released. + + * sparc.md: Change `K' to `I' in all constraints. + + * loop.c (gen_iv_mult): Handle TARGET==0. + + * c-decl.c (duplicate_decls): Undo last change. + + * c-decl.c (pushdecl): Instead of that change, + save old-decl's file/line before calling duplicate_decls, + and pass them later to warning_with_file_and_line. + * toplev.c (warning_with_file_and_line): New fn. + +Fri Nov 18 13:07:06 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * stmt.c (fixup_var_refs_1): (SUBREG (MEM)) was slipping through + in case where a SET was writing in the variable being fixed. + + * recog.c (register_operand, nonmemory_operand, memory_operand): + Changes to handle new var reload_completed: 1 means that + (SUBREG (MEM)) now counts as a mem-ref, since alter_subreg + will make it one. + * toplev.c (rest_of_compilation): Set and clear reload_completed. + + * sparc.md (call patterns): If TARGET_SUN_ASM, and address in reg, + output a jmpl rather than a call. + * tm-sun4os3.h: Like tm-sparc.h but turn on TARGET_SUN_ASM. + + * reload.c (push_reloads): Reinstate handling of reg_equiv_constant. + +Thu Nov 17 09:48:14 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload1.c (constraint_accepts_reg_p): Name changed from + constraint_all_regs_p; new arg is reg we are concerned with, + and condition tested takes some advantage of that reg. + + * gcc.c (main): Rename var `error' to `error_count' for name conflict. + + * emit-rtl.c (emit_note): Output line #s even if no debug info wanted. + (emit_line_note): New fn, does what emit_note did. + (emit_line_note_force): New name for emit_note_force. + * stmt.c, c-parse.y: Call emit_line_note instead of emit_note. + + * c-parse.y (maybe_type_qual): Call emit_note instead of emit_line_note + Now we can find the line # of every `asm' from the RTL. + * toplev.c (error_for_asm): New fn, gets line # by searching for NOTE. + * reload.c (find_reloads): Use error_for_asm. + * reload1.c (choose_reload_targets): Likewise. + * final.c (output_operand_lossage): Likewise. + Variable this_is_asm_operands is now current insn if it's nonzero. + + * loop.c (move_movables): When a reg is moved, update regno_first_uid + and regno_last_uid; say life span includes entire loop. + * Decrement THRESHOLD per reg moved, not per insn moved. + +Wed Nov 16 08:41:32 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * gnulib.c (___builtin_saveregs): New fn, for sparc. + + * tm-sparc.h (GO_IF_LEGITIMATE_ADDRESS): Don't recognize + SYMBOL_REFs, except for the constants pool. + But do recognize REG+REG and SMALLINT+REG. + * sparc.md: New patterns for fetching and storing memory + whose address is symbolic and not "legitimate". + + * sparc.md (movsi): Add `f' to op1 constraint. + New output clause for result in fp reg. + (Floating point fetch patterns): Output sethi insns. + (call_value, related patterns): value-register has `register_operand'. + + * output-sparc.c (hardreg): New function. + (COMPATIBLE): Clause added for n_regs == 2. + (single_insn_src_p): Return 0 for MEM whose address is absolute. + + * tm-genix.h (GO_IF_LEGITIMATE_ADDRESS subroutines): + Redefine, to exclude any possibility of SB-referencing addresses. + + * loop.c (strength_reduce): Can't eliminate a biv if used before + start of the loop. Used before is same as used after, if contained + in another loop. + + * recog.c (asm_noperands, decode_asm_operands): + Handle case of no outputs, but some clobbers. + * stmt.c (expand_asm_operands): Generate right stuff for that case. + + * tm-sun3.h (CPP_SPEC): Don't define __HAVE_68881__ if using fpa. + +Tue Nov 15 00:10:26 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * loop.c (gen_iv_mult): Arg OP0 may not be a constant. + Pay attention to return value of expand_mult. + (eliminate_biv): Call changed. + + * output-m88k.c, output-sparc.c (output_move_double): + Fix typo `optype0' for `optype1'. + + * c-decl.c (duplicate_decls): Don't alter file, line of old decl. + + * c-parse.y (skip_white_space): Don't recognize comments; rely on cpp. + + * rtl.c (rtx_equal_p): Handle vectors. + + * loop.c (scan_loop): Change elts of n_times_set back to positive + for candidates that weren't moved, before doing strength reduction. + + * ns32k.md (movdi, movdf): Use `&' constraint for first operand. + + * reload1.c (reload): Initialize spill_indirect_ok here. + + * config-sun4.h: Recognize `-static' switch. + + * global-alloc.c (set_preference): Avoid using nonsense hard reg #s + that result from adding OFFSET. + + * sdbout.c (sdbout_end_function): Line # in .ef should be relative. + + * final.c (output_source_line): For SDB, don't output negative #s. + + * tm-encore.h (ASM_OUTPUT_LOCAL): Don't ignore SIZE arg. + +Mon Nov 14 11:03:16 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * reload.c: Don't declare refers_to_regno_p. + + * gcc.c (main): Warn if any input files are for the linker + but the linker is not being run. + + * jump.c (sets_cc0_p): Dumb bug fetching elts of a PARALLEL. + + * local-alloc.c: qty_birth, qty_death elements are now -1, not 0, + when the value is not known. + + * expmed.c (extract_bit_field): Bug computing xbitpos, xoffset + when changing units from bytes to words. + + * loop.c: Rename `times_used' field in `struct movable' to `savings'. + (scan_loop): When scanning the consecutive sets, for each libcall, + increment `savings'--leave `consec'. + When making movable for (SET (REG) 0) which is part of zero-extension, + set `savings' to 1 initially, since only 1 insn will be moved. + And don't let any other reg force that insn. + Reduce initial THRESHOLDs. + (move_movables): Don't add `consec' into `savings' + since the initial `savings' was proportional to `consec'. + Decrement THRESHOLD by 3 (not 2) for each move done. + + * reload1.c (choose_reload_targets): Strip subregs from OLD + before writing the output-reload move-insn. + + * reload1.c (reload): counted_for_groups and counted_for_nongroups + are now file-scope. Update them both when spilling. + (new_spill_reg): No need for counted_for_nongroups as arg. + (choose_reload_targets): Don't use for a group + any spill regs for which counted_for_nongroups is set. + + * dbxout.c (dbxout_symbol): Indirect-symbol case checked erroneously + for PARM_DECL. + +Sun Nov 13 08:13:49 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * cse.c (fold_rtx): Don't alter MULT by -1 if arg mode != result mode. + + * loop.c (move_movables): If moving a CALL_INSN, make a new CALL_INSN. + * emit-rtl.c (emit_call_insn_before): New fn. + + * config-sun4.h (LINK_SPEC): Avoid shared libraries if -g. + + * expr.c (store_one_arg): Stabilize ARG->stack so it doesn't use SP + before computing the arg value. + + * combine.c (use_crosses_set_p): Moving a ref to stack ptr + is always forbidden if machine has push insns, since might cross one. + + * vax.md (movqi): Avoid out-of-range immed ops in mcomb. + + * expmed.c (extract_bit_field): Don't say `extzv' in the + clause for `extv'. + + * emit-rtl.c (copy_rtx_if_shared): Even if a MEM can be shared, + unshare its address from everything outside that MEM. + + * expr.c (expand_builtin): Fix omitted arg to `convert_to_mode'. + + * expr.c (store_expr): In case where will not return TARGET + and must do type conversion, don't fail to store into TARGET. + + * dbxout.c (FORCE_TEXT): New macro used before output `.stabs' + to go to the text section on targets that require it. + (DEBUG_SYMS_TEXT): Target macro which turns on that feature. + + * reload1.c (reload): Index in spill_regs was wrong + when checking counted_for_groups. + (choose_reload_targets): When calling find_equiv_reg looking for + a reload reg, reject all spill regs, even those not in use now. + + * tm-sun386.h, tm-sun386i.h, config-sun386i.h: New files. + + * cccp.c (main): Don't die if no output file arg given. + + * fixincludes: Tell `find' to find only ordinary files. + +Sat Nov 12 20:43:20 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * Makefile (gnulib): Use cp to make the temporary .c files; + less likely to fail than ln. + +Sat Nov 5 12:46:39 1988 Randall Smith (randy at sugar-bombs.ai.mit.edu) + + * tm-m68k.h (HARD_REGNO_MODE_OK): Disallowed d7:a0 as an allowable + pair of registers to hold a double value. This is correct for the + fpa but incorrect for the 68881. It was, however, simpler than + defining a new regclass. + +Tue Oct 25 12:03:49 1988 Randall Smith (randy at gluteus.ai.mit.edu) + + * m68k.md: Added some thoughts (comments) on best method to allow + 68881 code with fpa code. + +Thu Oct 13 14:19:17 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * Version 1.30 released. + + * stupid.c (stupid_life_analysis): Init last_call_suid with + largest possible value, not 0. + +Wed Oct 12 04:40:18 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * output-i386.c (output_asm_insn_double_reg_op): Compensate for + assembler bug that interchanges fsub and fsubr. + + * reload1.c (order_regs_for_reload): Undo 29 Sept change. + It breaks the 386. + + * varasm.c (decode_rtx_const): Don't example value->addr + if what was stored in was value->d. + + * toplev.c (set_float_handler): New fn, specify where to jump + on floating exception signal. + * fold-const.c (combine): Use that to handle overflow in arithmetic. + + * c-decl.c (grokdeclarator): Don't clear CONSTP, VOLATILEP + when making an array type. + + * dbxout.c (dbxout_symbol): Ignore VAR_DECLs in memory whose + addresses we can't represent. + + * fold-const.c (fold): don't convert >= to > if both args are constant. + When converting >= to >, don't fail to change CODE. + +Tue Oct 11 04:13:40 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * vax.md (movhi): Error in truncating mcomw, addh3 args to 16 bits. + + * final.c: Better error checking for %-specs in templates. + (output_operand_lossage): new fn to report errors. + (insn_noperands): new var: # operands in current fn. + (this_insn_asm_operands): new var: 1 for `asm', 0 otherwise. + (output_asm_insn): Check for operand # out of range. + (output_asm_label, output_operand): Call new fn to report errors. + + * reload.c (push_reloads): An input reload for (REG N) can match one + for (POST_INC (REG N)) or (PRE_INC (REG N)), since the value + reloaded is the same in any case. + +Mon Oct 10 06:19:05 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * recog.c (next_insns_test_no_inequality): Like next_insn_tests... + but check all insns that follow this one and can use it's cc's. + * output-m68k.c (output_btst): Use that. + + * vax.md (movsf, movdf): Undo last change; movq/movl set the cc wrong. + + * expr.c (expand_call): Set current_function_calls_setjmp if appro. + * stmt.c (setjmp_protect): New fn: move all vars into stack + unless declared `register'. + * c-decl.c (finish_function): Call it if -traditional and setjmp used. + + * cccp.c (main): Open output after the input. + Handle `-o -'. + +Sun Oct 9 00:28:06 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * tm-sun3.h (CPP_SPEC): Define __HAVE_FPA__ if appropriate. + + * c-decl.c (pushdecl): After duplicate_decls, maybe warn about + "declared extern and later static". + + * expmed.c (store_bit_field): In insv case, avoid turning + VALUE into a subreg of a subreg. + + * loop.c (move_movables): When moving a libcall, + un-cse the function address; put it into the call insn. + +Sat Oct 8 01:48:03 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * cse.c (equiv_constant): Subroutine to find the constant equivalent + of a reg. Now handles SUBREGs too. + (fold_rtx, fold_cc0): Use that function. + Don't handle SUBREGs like arithmetic. + + * reload1.c (choose_reload_targets): Don't call reg_overlap_mentioned_p + if arg is 0. + +Fri Oct 7 01:00:19 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) + + * assert.h: Typo declaring __eprintf. + + * config.gcc: New file for making the links. + Fixed bugs for sun-[23]-os4. Added sun-[234] for sunos 3. + Added sequent-i386. + + * emit-rtl.c (gen_rtx): Return const0_rtx for 0 in DImode. + * varasm.c (immed_double_const): Don't be confused by this. + + * expmed.c (negate_rtx): New 1st arg MODE. + * expr.c (push_block): Calls changed. + * m68k.md, ns32k.md, vax.md: Calls changed. + + * c-decl.c (duplicate_decls): Don't discard DECL_BLOCK_SYMTAB_ADDRESS. + + * tree.c (staticp): INDIRECT_REF with constant address is static. + COMPONENT_REF may not be, if component offset isn't constant. + + * c-typeck.c (default_conversion): Converting array to ptr, if array + isn't a VAR_DECL, go through build_unary_op so that COMPONENT_REFs + will be simplified away. + + * ns32k.md (tbitd patterns): op 0 constraint: reject constants. + * ns32k.md (extzv for SImode and HImode): + Use adj_offsetable_operand; plus_constant was the wrong thing. + Thu Oct 6 00:10:41 1988 Richard Stallman (rms at sugar-bombs.ai.mit.edu) * Version 1.29 released.