Richard Kenner [Thu, 23 Jun 1994 21:45:46 +0000 (17:45 -0400)]
(output_move_double): If the dest is register pair and both regs are used in src address...
(output_move_double): If the dest is register pair and both regs are
used in src address, use ADDR to compute src address, not ADDD, which
throws away scaled index.
Richard Earnshaw [Thu, 23 Jun 1994 16:02:41 +0000 (16:02 +0000)]
include tree.h
include tree.h
(const_ok_for_arm): Add fast return for 0 or just a single non-zero bit.
(const_ok_for_op): New function.
(arm_split_constant): New function.
(arm_rtx_costs): New function.
(reg_or_int_operand): New function.
(shift_operator): Accept ROTATERT.
(multi_register_push): New function.
(shift_op): Don't abort if a constant is outside the acceptable range, but
convert the whole shift expression into something legal. If the shift is
zero, then return NULL.
(output_return_instruction): Output a call to abort if the function is
volatile.
(arm_volatile_func): New function.
(get_prologue_size): Remove all adjustments for insns that are now output as
rtx.
(output_func_prologue): Remove all code that outputs instructions, just print
a few comments.
(output_func_epilogue): Output a call to abort if a volatile function tries
to return.
(emit_multi_reg_push): New function.
(arm_expand_prologue): New function. Don't bother to push call-saved regs
if we will never return.
(arm_print_operand, case 'S'): If shift_op returns NULL, then no shift is
required.
Richard Earnshaw [Thu, 23 Jun 1994 16:02:41 +0000 (16:02 +0000)]
(TARGET_WHEN_DEBUGGING): Delete.
(MODES_TIEABLE_P): All modes of the same class are tieable.
(CONST_OK_FOR_LETTER_P): Add 'M' for constants valid in a shift.
(FUNCTION_PROFILER): Don't call arm_increase_location.
(INITIAL_ELIMINATION_OFFSET): Call saved regs are no-longer pushed for
functions that don't return.
(LEGITIMIZE_ADDRESS): Push constants that will never be legitimate -- symbols
and labels -- into registers. Handle DImode better.
(DEFAULT_SIGNED_CHAR): Use unsigned unless already defined.
(RTX_COSTS): Call arm_rtx_costs.
(ADDRESS_COST): Since most operations have the same rtx cost, make the
more complex addresses cheaper.
(PREDICATE_CODES): Add ROTATERT to shift_operator; and new predicates for
reg_or_int_operand and multi_register_push.
(DBX_CONTIN_LENGTH): Only define if not already done.
(PRINT_OPERAND_ADDRESS): Let arm_print operand output the ", " for shifts.
Richard Earnshaw [Thu, 23 Jun 1994 16:02:41 +0000 (16:02 +0000)]
Delete some dead code.
(STARTFILE_SPEC): Look in the correct places for start files.
(LIB_SPEC): Define.
(LINK_SPEC): Define.
(TARGET_WHEN_DEBUGGING): Delete.
(DEFAULT_SIGNED_CHAR): Set to unsigned.
(SIZE_TYPE, PTRDIFF_TYPE, TARGET_EDOM): Define.
Rewrite as expand patterns.
(rotlsi3): New expand.
(matchers, and split patterns for above): New.
(all patterns with shifts): Let arm_print_operand output the ", " before a
shift if it is needed.
(zero_extendqihi2): Delete.
(zero_extendqisi2): Expand to (and ...) if not memory.
(movsi): Call arm_split_constant to generate a constant.
(movqi): Only force a MEM into a register if not reloading.
(movsf, movdf): If loading a non-immediate floating point value, or loading
and floating point immediate into integer regs, push the constant straight
into the pool.
(movdf): Get rid of the scratch register.
(reload_outdf): Rewrite to expand to the two required insns.
(matcher for movdf): Remove alternative that used scratch register for
storing.
(movxf): rewrite as expand.
(matcher for movxf): Recognize even when XFmode code is disabled, so that
prologue insns can be generated.
(Matcher for reversed conditional jump): Don't match if the mode of the
CC register is not reversible.
(prologue): New expand.
(matcher for multi_register_push insn): New.
Richard Kenner [Wed, 22 Jun 1994 22:15:30 +0000 (18:15 -0400)]
(expand_binop): New variable next_methods; pass to most recursive calls when trying to avoid libcalls.
(expand_binop): New variable next_methods; pass to most recursive calls when
trying to avoid libcalls.
Always check for a return value of zero in recursive calls.
(expand_float): Ensure TARGET has proper mode.
Pass OPTAB_LIB_WIDEN to expand_binop calls.
Jason Merrill [Thu, 16 Jun 1994 23:37:53 +0000 (23:37 +0000)]
(compile_file): Unset DECL_DEFER_OUTPUT on decls considered at end of file.
(compile_file): Unset DECL_DEFER_OUTPUT on decls
considered at end of file.
(rest_of_compilation): Also postpone compilation of
inlines with DECL_DEFER_OUTPUT set.
(compile_file): Always emit postponed inlines if
-fkeep-inline-functions.
Doug Evans [Wed, 15 Jun 1994 07:49:12 +0000 (07:49 +0000)]
sparc.c (SKIP_CALLERS_UNIMP_P): Define.
* sparc/sparc.c (SKIP_CALLERS_UNIMP_P): Define.
(sparc_cpu_type, sparc_arg_count, sparc_n_named_args,
frame_base_offset, fpconv_stack_temp): New globals.
(leaf_reg_remap): Add additional registers for v9.
(sparc_override_options, sparc64_init_expanders,
sparc64_fpconv_stack_temp, intreg_operand, ccfp_reg_operand,
data_segment_operand, text_segment_operand, v9_regcmp_op,
arith11_operand, arith10_operand, arith11_double_operand,
arith10_double_operand, gen_v9_scc, emit_v9_brxx_insn,
sparc_init_modes, build_big_number, output_v9branch,
sparc_initialize_trampoline, sparc64_initialize_trampoline):
New functions.
(arith_double_operand, gen_compare_reg, finalize_pic,
emit_move_sequence, mem_aligned_8, output_move_double,
output_move_quad, output_fp_move_double, output_fp_move_quad,
output_block_move, save_regs, restore_regs): Add v9 support.
(sparc_mode_class): New enum.
(*_MODES): Redefine to use it.
(hard_32bit_mode_classes): Renamed from hard_regno_mode_ok.
(hard_regno_mode_classes, hard_64bit_mode_classes,
sparc_mode_class): New globals.
(num_gfregs): Renamed from num_fregs.
(compute_frame_size): Add v9 support. Simplify calculations.
(output_function_prologue): Call build_big_number to compute stack
size in %g1, then adjust %sp.
Fix saving of call saved registers. Handle new v9 registers.
(output_function_epilogue): Fix restoration of call saved registers.
Handle new v9 registers.
Use SKIP_CALLERS_UNIMP_P to see if unimp insn is at return address.
(sparc_builtin_saveregs): Define v9 version.
(output_cbranch): New argument fp_cond_reg. All callers changed.
Add v9 support.
(output_return): Use SKIP_CALLERS_UNIMP_P.
(print_operand): New codes '_', '@', 'C', 'D'.
(output_double_int): Handle LABEL_REF and MINUS for v9.
Use ASM_LONGLONG if assembler can handle it.
(encode, decode): Use 4 HOST_WIDE_INTs for encoded value with HOST_BITS_PER_WIDE_INT/2 bits in each.
(encode, decode): Use 4 HOST_WIDE_INTs for encoded
value with HOST_BITS_PER_WIDE_INT/2 bits in each.
(LOWPART, HIGHPART): New macros.
(BASE): Move definition outside of div_and_round_double.
(add_double, mul_double, lshift_double, rshift_double): Rewrite.
(lrotate_double): Use LOWPART, HIGHPART, and BASE.
(rrotate_double): Likewise.
(div_and_round_double): Major changes to code for general case.
Now it actually produces non-garbage results for large operands.
(div_and_round_double): Simplify condition for special code used when
divisor < BASE.
(const_binop): Delete special cases for multiplying by 0, 1, 2, 4, 8.
(fold, case *_DIV_EXPR): Don't try to optimize for overflow.
Richard Kenner [Tue, 14 Jun 1994 21:37:25 +0000 (17:37 -0400)]
(reload): Process and accumulate needs for RELOAD_FOR_OPADDR_ADDR reloads.
When determining if needs are nongroup needs, ignore inactive or optional
reloads.
(reload_reg_used_in_op_addr_reload): New variable to indicate when reloads of
class RELOAD_FOR_OPADDR_ADDR are in use.
(mark_reload_reg_in_use, clear_reload_reg_in_use): Process reloads of class
RELOAD_FOR_OPADDR_ADDR.
(reload_reg_free_p, reload_reg_free_before_p, reloads_conflict): Likewise.
(choose_reload_regs): Support RELOAD_FOR_OPADDR_ADDR reloads.
(emit_reload_insns): Output RELOAD_FOR_OPADDR_ADDR reloads.