Jeffrey A Law [Sun, 26 Oct 1997 16:56:15 +0000 (16:56 +0000)]
toplev.c (flag_rerun_loop_opt): New variable.
* 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.
* 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.
Jeffrey A Law [Thu, 23 Oct 1997 01:29:14 +0000 (01:29 +0000)]
toplev.c (flag_exceptions): Default value is 2.
* toplev.c (flag_exceptions): Default value is 2.
(compile_file): If flag_exceptions still has the value 2, then
set it to 0.
* lex.c (lang_init): Enable flag_exceptions by default if no
command line switch was specified.
Gross hacks to allow front-ends to override -fexceptions.
Brendan Kehoe [Thu, 23 Oct 1997 00:00:20 +0000 (00:00 +0000)]
method.c (build_template_parm_names, [...]): Add static to definitions.
* method.c (build_template_parm_names, build_decl_overload_real):
Add static to definitions.
* pt.c (add_to_template_args, note_template_header,
processing_explicit_specialization, type_unification_real): Likewise.
({determine,check}_explicit_specialization): Use a single string for
error messages.
com.c (ffecom_expr_): Take an new arg TREE_TYPE that if non-null specifies the type in which to do...
* com.c (ffecom_expr_): Take an new arg TREE_TYPE that if non-null
specifies the type in which to do the calculation. Change all callers.
[FFEBLD_opARRAYREF]: Force the index expr to use sizetype.
Jeff Law [Tue, 21 Oct 1997 19:55:51 +0000 (13:55 -0600)]
mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed addresses.
* 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.
Jeff Law [Tue, 21 Oct 1997 19:52:12 +0000 (13:52 -0600)]
mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed addresses.
* 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.
Jim Wilson [Mon, 20 Oct 1997 23:49:48 +0000 (23:49 +0000)]
Patches to fix minor optimizer bugs
Patches to fix minor optimizer bugs
* 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 11:44:20 1997 Mark Mitchell <mmitchell@usa.net>
* decl.c (duplicate_decls): Handle template specializations
correctly.
* error.c (dump_function_name): Fix printing of specializations of
member functions that are not member templates.
* cp-tree.h (processing_specialization): Make global.
* pt.c (processing_specialization): Likewise.
* lex.c (cons_up_default_function): Save and restore
processing_specialization to avoid confusion.
Jason Merrill [Sat, 18 Oct 1997 21:10:32 +0000 (21:10 +0000)]
tree.c (restore_tree_status): Also free up temporary storage when we finish a toplevel function.
* tree.c (restore_tree_status): Also free up temporary storage
when we finish a toplevel function.
(dump_tree_statistics): Print stats for backend obstacks.
* 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.
Jim Wilson [Sat, 18 Oct 1997 05:46:19 +0000 (05:46 +0000)]
v850.c (ep_memory_offset): New function.
* 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.
Doug Evans [Fri, 17 Oct 1997 23:20:03 +0000 (23:20 +0000)]
sparc.c (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD...
* sparc.c (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/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.
First pass at updating to current v9 abi.
Christian Iseli [Fri, 17 Oct 1997 15:40:52 +0000 (17:40 +0200)]
reload.c (debug_reload_to_stream): New function.
* 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.
Thanks. Installed.
Mike Stump [Thu, 16 Oct 1997 21:45:24 +0000 (21:45 +0000)]
c-decl.c (start_struct): Ensure that structs with forward declarations are in fact packed when...
* 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.
* 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.
alpha.c (final_prescan_insn): Gut, remove and transform to ...
* 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.
* 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.
Mark Mitchell [Tue, 14 Oct 1997 19:12:56 +0000 (19:12 +0000)]
decl.c (pushtag): Unset DECL_ASSEMBLER_NAME before setting it, so as to avoid incorrect manglings.
Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
* decl.c (pushtag): Unset DECL_ASSEMBLER_NAME before setting it,
so as to avoid incorrect manglings.
* method.c (build_decl_overload_real): Don't mangle return types
for constructors.
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