2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
Janis Johnson <janis187@us.ibm.com>
David Edelsohn <dje@watson.ibm.com>
Ben Elliston <bje@au.ibm.com>
* dfp.h, dfp.c: New files.
* Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
(DECNUM_H): Likewise.
(LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
(INCLUDES): Append $(DECNUMINC).
(OBJS-common): Add dfp.o.
(dfp.o): New rule.
* real.h (EXP_BITS): Pinch one bit to ..
(struct real_value): Add decimal field.
(real_format): Change table size, update documentation.
(REAL_MODE_FORMAT): Update for to handle float, decimal float.
(real_from_string3): Declare.
(decimal_single_format): Declare.
(decimal_double_format): Declare.
(decimal_quad_format): Declare.
(REAL_VALUE_TO_TARGET_DECIMAL32): New.
(REAL_VALUE_TO_TARGET_DECIMAL64): New.
(REAL_VALUE_TO_TARGET_DECIMAL128): New.
* real.c: Include dfp.h.
(normalize): Early return for decimal floats.
(do_add): Zero decimal field.
(do_compare): Call do_decimal_compare for decimal floats.
(do_fix_trunc): Likewise, call decimal_do_fix_trunc.
(real_arithmetic): Call decimal_real_arithmetic for decimal
floating point operands.
(real_identical): If a and b are of differing radix, return false.
(real_to_integer): Call decimal_real_to_integer if the value is a
decimal float.
(real_to_integer2): Likewise, call decimal_real_to_integer2.
(real_to_decimal): Likewise, call decimal_real_to_decimal.
(real_to_hexadecimal): Place "N/A" in the return string for
decimal float.
(real_from_string3): New variant, given a mode.
(real_maxval): Use decimal_real_maxval for decimal floats.
(round_for_format): Use decimal_round_for_format for decimals.
(real_convert): Use decimal_real_convert where appropriate.
(significand_size): Handle base 10.
(encode_decimal_single, decode_decimal_single,
encode_decimal_double, decode_decimal_double, encode_decimal_quad,
decode_decimal_quad): New functions.
(decimal_single_format): New.
(decimal_double_format): New.
(decimal_quad_format): New.
* machmode.def: Add SD, DD and TD decimal floating point modes.
* machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
Include MODE_DECIMAL_FLOAT.
(DECIMAL_FLOAT_MODE_P): New.
* mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
* genmodes.c (struct mode_data): Add counter field.
(struct mode_data): Update comment for format.
(blank_mode): Initialise counter field.
(new_mode): Increment counter field for each mode defined.
(complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
using a format.
(make_complex_modes): Handle modes containing `D'.
(DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
(make_decimal_float_mode): New.
(reset_float_format): Handle MODE_DECIMAL_FLOAT.
(cmp_modes): Compare counter field if other characteristics
similar.
(emit_real_format_for_mode): Support formats for decimal floats.
* doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
Document MODE_DECIMAL_FLOAT.
Co-Authored-By: Ben Elliston <bje@au.ibm.com>
Co-Authored-By: David Edelsohn <dje@watson.ibm.com>
Co-Authored-By: Janis Johnson <janis187@us.ibm.com>
From-SVN: r107861
* genmodes.c: Change the word "bitsize" to "precision" throughout.
* machmode.def: Likewise.
* machmode.h (GET_MODE_SIZE): Cast value to unsigned short.
(GET_MODE_BITSIZE): Define as GET_MODE_SIZE * BITS_PER_UNIT.
(GET_MODE_PRECISION): New macro.
(mode_bitsize): Renamed mode_precision.
* stor-layout.c (mode_for_size, smallest_mode_for_size):
Use GET_MODE_PRECISION; clarify comments.
ada:
* misc.c (fp_prec_to_size, fp_size_to_prec): Use GET_MODE_PRECISION
and update for changed meaning of GET_MODE_BITSIZE.
From-SVN: r73295
* genmodes.c (struct mode_data): Add contained and next_cont
fields.
(complete_mode): Maintain linked list of modes that have a
given component.
(emit_mode_unit_size): Delete.
(emit_mode_nunits): New.
(emit_insn_modes_c): Update to match.
(emit_mode_adjustments): Propagate size and alignment
adjustments from component modes to their containers.
* machmode.h (mode_unit_size): Delete.
(mode_nunits): New.
(GET_MODE_NUNITS): Just return the value in the table.
(GET_MODE_UNIT_SIZE): Compute using GET_MODE_INNER and
GET_MODE_SIZE.
* expmed.c (store_bit_field, extract_bit_field): Can use a
plain move instruction if bitsize >= GET_MODE_BITSIZE of
destination/source mode, respectively.
* varasm.c (assemble_real): Write out the full size of the
constant, not just its bitsize.
(output_constant): Honor TYPE_MODE of TREE_REAL_CSTs.
* config/ia64/ia64-modes.def: Define XFmode as well as TFmode.
Use ADJUST_BYTESIZE and ADJUST_ALIGNMENT to set size and
alignment of XF and TF modes in compliance with ia64 ABIs.
Can now hardwire the format of both modes.
* config/ia64/ia64.c: Change TFmode to XFmode wherever appropriate.
(general_tfmode_operand, destination_tfmode_operand)
(tfreg_or_fp01_operand, spill_tfmode_operand): Rename to
general_xfmode_operand, destination_xfmode_operand,
xfreg_or_fp01_operand, spill_xfmode_operand respectively.
(ia64_init_builtins): Make TYPE_PRECISION of fpreg_type
and float80_type be 96 so they get XFmode. Use !TARGET_HPUX,
not INTEL_EXTENDED_IEEE_FORMAT, to decide how to define
__float128.
* config/ia64/ia64.h: Default TARGET_HPUX to 0.
Change TFmode to XFmode wherever appropriate. Remove all
references to INTEL_EXTENDED_IEEE_FORMAT.
(LONG_DOUBLE_TYPE_SIZE): Varies with TARGET_HPUX.
(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define (always 96).
(PREDICATE_CODES): Update to match function renames.
* config/ia64/ia64.md: Change TF to XF throughout; rename all
patterns to match. Remove all references to
INTEL_EXTENDED_IEEE_FORMAT. Update predicate calls to match
function renames.
* config/ia64/ia64-protos.c: Update all prototypes to match
renamed functions.
* config/ia64/hpux.h: Redefine TARGET_HPUX to 1.
Remove all references to INTEL_EXTENDED_IEEE_FORMAT.
* config/ia64/lib1funcs.asm: Add __divxf3 as new name for
__divtf3; keep old name for backward compatibility.
(L__compat): New section providing forwarding stubs for
__fixtfti, __fixunstfti, __floattitf.
* config/ia64/t-ia64: Add __compat to LIB1ASMFUNCS.
From-SVN: r72916
* Makefile.in (BUILD_RTL): Replace $(BUILD_PREFIX)insn-modes.o
with min-insn-modes.o.
(STAGESTUFF): Add min-insn-modes.c.
(genobjs): Add genmodes.o.
(print-rtl.o, print-rtl1.o): Depend on $(TM_P_H).
(insn-modes.o): Depend on $(TM_H) not $(GTM_H); also real.h.
(min-insn-modes.c, min-insn-modes.o): New rules.
(s-modes): Also generate min-insn-modes.c.
($(BUILD_PREFIX_1)insn-modes.o): Kill.
* genmodes.c (struct mode_data): Add format field.
(blank_mode, validate_mode, complete_mode): Update to match.
(make_scalar_mode): Separate into make_int_mode and make_float_mode.
(_SCALAR_MODE): Kill.
(FLOAT_MODE, FRACTIONAL_FLOAT_MODE): Add format argument.
(emit_insn_modes_c_header): Adjust.
(emit_min_insn_modes_c_header, emit_real_format_for_mode)
(emit_min_insn_modes_c): New functions.
(emit_insn_modes_c): Call emit_real_format_for_mode.
(main): Add -m option to generate min-insn-modes.c.
* machmode.h: Update documentation. Add format argument to
all uses of FLOAT_MODE.
* real.c: Don't define real_format_for_mode here.
* dwarfout.c: Move default definition of PRINT_REG...
* defaults.h: ...here.
* print-rtl.c: Include tm_p.h.
(DEBUG_PRINT_REG, DEBUG_REGISTER_NAMES, debug_reg_names, reg_names):
Kill.
(print_rtx): Use PRINT_REG, not DEBUG_PRINT_REG. But surround
this entire block with #ifndef GENERATOR_FILE.
* regclass.c: Unconditionally define reg_names.
* config/mips/mips.h, config/rs6000/rs6000.h, config/sh/sh.h
Don't define DEBUG_REGISTER_NAMES.
* config/rs6000/darwin.h: Don't use DEBUG_REGISTER_NAMES in
redefinition of REGISTER_NAMES.
* config/i386/i386.h: Don't define DEBUG_PRINT_REG.
* combine.c: Change all preprocessor conditionals on
EXTRA_CC_MODES to use SELECT_CC_MODE instead; rearrange a bit
for clarity.
* genopinit.c: Remove mention of EXTRA_CC_MODES in comment.
* configure.in: Don't define EXTRA_CC_MODES.
* configure, config.in: Regenerate.
* doc/tm.texi: Remove documentation of EXTRA_CC_MODES.
* config/arc/arc.c, config/m32r/m32r.c, config/sparc/sparc.c:
May assume that GET_MODE_CLASS is accurate for extra CC modes
at all times.
* config/i860/i860.h (INIT_CUMULATIVE_ARGS): Pass correct
number of arguments to aggregate_value_p.
* genmodes.c (RESET_FLOAT_FORMAT, reset_float_format): New.
* machmode.def: Explain ARCH-modes.def. Document
RESET_FLOAT_FORMAT. Improve commentary on various mode
clusters. Do not define OI, PQI, PHI, PSI, PDI, QF, HF, TQF,
XF, or TF modes here. Remove backward-compatibility
definition of CC.
* config/alpha/alpha-modes.def: New file; define TF mode.
* config/arc/arm-modes.def: Define XF mode.
* config/c4x/c4x-modes.def: Define QF and HF modes. Unset
float format for SF and DF modes.
* config/dsp16xx/dsp16xx-modes.def: New file; define HF mode.
* config/i386/i386-modes.def: Define XF and TF modes.
* config/i960/i960-modes.def: Define TF mode.
* config/ia64/ia64-modes.def: Define TF and OI modes.
* config/m68k/m68k-modes.def: New file; define XF mode.
* config/mips/mips-modes.def: New file; define TF mode, reset
formats for SF and DF modes.
* config/pa/pa-modes.def: Define TF mode.
* config/rs6000/rs6000.c: Define TF and PSI modes.
* config/s390/s390-modes.def: Define OI mode.
* config/sh/sh-modes.def: New file; define PSI mode.
* config/sparc/sparc-modes.def: Define TF mode.
* config/vax/vax-modes.def: New file; reset formats for SF and
DF modes.
* config/c4x/c4x.c (c4x_override_options): No need to mess
with real_format_for_mode or set REAL_MODE_FORMATs.
(c4x_immed_int_constant): Don't apply GET_MODE_CLASS to rtx
variable.
* config/i386/i386.c (override_options): No need to set
REAL_MODE_FORMATs here.
* config/i960/i960.c (i960_initialize): Likewise.
* config/m68k/m68k.c (m68k_override_options): Likewise.
* config/ia64/ia64.c (ia64_override_options): Set REAL_MODE_FORMAT
for TFmode only if not the default.
* config/mips/mips.c (override_options): Likewise.
* config/vax/vax.c (override_optionms): Set REAL_MODE_FORMAT for
DFmode only if not the default.
* config/i370/i370.h (RET_REG): Don't consider TFmode.
* config/m68hc11/m68hc11.c (print_operand): Don't consider XFmode.
* config/dsp16xx/dsp16xx.c (hard_regno_mode_ok): #if 0 out use
of modes that don't appear anywhere in the machine description.
* config/arc/arc-modes.def, config/arm/arm-modes.def
* config/c4x/c4x-modes.def, config/frv/frv-modes.def
* config/i386/i386-modes.def, config/i960/i960-modes.def
* config/ia64/ia64-modes.def, config/mmix/mmix-modes.def
* config/pa/pa-modes.def, config/pdp11/pdp11-modes.def
* config/rs6000/rs6000-modes.def, config/s390/s390-modes.def
* config/sparc/sparc-modes.def: Convert to new style for
declaring extra CC modes.
From-SVN: r72440
* genmodes.c, mode-classes.def: New files.
* machmode.def: Rewritten to genmodes.c interface.
* Makefile.in (extra_modes_file): New substitution variable.
(MACHMODE_H): No longer includes machmode.def or
@extra_modes_file@; instead, mode-classes.def and insn-modes.h.
(BUILD_RTL): Add $(BUILD_PREFIX)insn-modes.o.
(OBJS-common): Add insn-modes.o.
(STAGESTUFF): Add insn-modes.c, insn-modes.h, s-modes, and
genmodes$(build_exeext).
(insn-modes.o, insn-modes.c, insn-modes.h, s-modes, genmodes.o,
genmodes$(build_exeext), $(BUILD_PREFIX_1)insn-modes.o): New targets.
(s-genrtl): Don't depend on $(RTL_BASE_H).
(gengenrtl.o): Don't depend on coretypes.h, $(GTM_H), real.h,
or $(RTL_BASE_H); just rtl.def.
* gengenrtl.c: Don't include coretypes.h, tm.h, rtl.h, or
real.h. Give fake definition of CONST_DOUBLE_FORMAT and
substitute definition of NUM_RTX_CODE. Add casts to avoid
warnings.
* machmode.h: Include insn-modes.h, not machmode.def. Include
mode-classes.def to define enum mode_class. Tweak definitions
of GET_MODE_CLASS, GET_MODE_SIZE, GET_MODE_BITSIZE, GET_MODE_MASK,
GET_MODE_INNER, GET_MODE_WIDER_MODE, GET_CLASS_NARROWEST_MODE.
(inner_mode_array): Renamed mode_inner.
(mode_base_align): New.
* rtl.c (mode_name, mode_class, mode_bitsize, mode_size,
mode_unit_size, mode_wider_mode, mode_mask_array,
inner_mode_array, class_narrowest_mode): Delete definitions.
* stor-layout.c (get_mode_alignment): Use mode_base_align.
* real.h: Use MIN_MODE_FLOAT and MAX_MODE_FLOAT, not QFmode
and TFmode, in real_format_for_mode and REAL_MODE_FORMAT.
* config/ip2k/ip2k.h, config/iq2000/iq2000.h:
No need to define BITS_PER_UNIT.
From-SVN: r72313
