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* 2008-06-23 Basile Starynkevitch <basile@starynkevitch.net>bstarynk2008-06-231-1/+1
| | | | | | | | | | | | | | | MELT branch merged with trunk r137030 * gcc/melt/warm-basilys.bysl: some primitives got explicit casts. * gcc/basilys.h: added casts to avoid implicit conversion from void* disallowed with C++ * gcc/basilys.c: (delete_special, forwarded, scanning) likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@137031 138bc75d-0d04-0410-961f-82ee72b054a4
* 2008-03-26 Basile Starynkevitch <basile@starynkevitch.net>bstarynk2008-03-261-7/+12
| | | | | | | | MELT branch merged with trunk r133612 (in particular gcc/Makefile.in with auto dependencies) git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@133613 138bc75d-0d04-0410-961f-82ee72b054a4
* gcc/rsandifo2008-02-081-0/+4
| | | | | | | | | | | | PR bootstrap/35051 * double-int.h: Don't include gmp.h for GENERATOR_FILEs. (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs. * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs. (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs. * tree.h (get_type_static_bounds): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@132188 138bc75d-0d04-0410-961f-82ee72b054a4
* * MAINTAINERS (c4x port): Remove.jsm282008-01-251-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | contrib: * paranoia.cc (main): Remove handling of c4x_single and c4x_extended formats. gcc: * config/c4x: Remove directory. * config.gcc (crx-*, mt-*): Mark obsolete. (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*, h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*, sh-*-rtemscoff*): Remove cases. * defaults.h (C4X_FLOAT_FORMAT): Remove. * real.c (encode_c4x_single, decode_c4x_single, encode_c4x_extended, decode_c4x_extended, c4x_single_format, c4x_extended_format): Remove. * real.h (c4x_single_format, c4x_extended_format): Remove. * doc/extend.texi (interrupt, naked): Remove mention of attributes on C4x. (Pragmas): Remove comment about c4x pragmas. * doc/install.texi (c4x): Remove target-specific instructions. * doc/invoke.texi (TMS320C3x/C4x Options): Remove. * doc/md.texi (Machine Constraints): Remove C4x documentation. * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not refer to C4x source files as examples. (C4X_FLOAT_FORMAT): Remove documentation. gcc/testsuite: * gcc.dg/builtin-inf-1.c, gcc.dg/compare6.c, gcc.dg/sibcall-3.c, gcc.dg/sibcall-4.c, gcc.dg/torture/builtin-attr-1.c: Don't handle c4x-*-* targets. libgcc: * config.host (tic4x-*-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*, h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*, sh-*-rtemscoff*): Remove cases. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131835 138bc75d-0d04-0410-961f-82ee72b054a4
* gcc/ada/janis2007-09-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reapply reverted change: 2007-09-06 Eric Botcazou <ebotcazou@adacore.com> * trans.c (convert_with_check): Update call to real_2expN. gcc/ config/m68k/m68k.c (floating_exact_log2): Update call to real_2expN. config/s390/s390.md (fixuns_trunc<BFP:mode><GPR:mode>2): Ditto. Reapply reverted changes: 2007-09-06 Jan Hubicka <jh@suse.cz> * config/i386.c (ix86_expand_lround, ix86_expand_round): Update call of real_2expN. 2007-09-06 Richard Sandiford <richard@codesourcery.com> * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2) (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN. 2007-09-05 Janis Johnson <janis187@us.ibm.com> * optabs.c (expand_float): Convert unsigned integer as signed only if it provides sufficient accuracy; add mode argument to real_2expN. (expand_fix): Fix comment typos; extend binary float into mode wider than destination for converion to unsigned integer; add mode argument to real_2expN. * real.c (real_2expN): Add mode argument to special-case decimal float values. * real.h (real_2expN): Ditto. * fixed-value.c (check_real_for_fixed_mode): Add mode argument to real_2expN. (fixed_from_string): Ditto. (fixed_to_decimal): Ditto. (fixed_convert_from_real): Ditto. (real_convert_from_fixed): Ditto. * config/rs6000/rs6000.md (FP): Include DD and TD modes. * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1, floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128247 138bc75d-0d04-0410-961f-82ee72b054a4
* Revert:janis2007-09-061-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2007-09-06 Jan Hubicka <jh@suse.cz> * i386.c (ix86_expand_lround, ix86_expand_round): Update call of real_2expN. 2007-09-06 Richard Sandiford <richard@codesourcery.com> * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2) (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN. 2007-09-05 Janis Johnson <janis187@us.ibm.com> * optabs.c (expand_float): Convert unsigned integer as signed only if it provides sufficient accuracy; add mode argument to real_2expN. (expand_fix): Fix comment typos; extend binary float into mode wider than destination for converion to unsigned integer; add mode argument to real_2expN. * real.c (real_2expN): Add mode argument to special-case decimal float values. * real.h (real_2expN): Ditto. * fixed-value.c (check_real_for_fixed_mode): Add mode argument to real_2expN. (fixed_from_string): Ditto. (fixed_to_decimal): Ditto. (fixed_convert_from_real): Ditto. (real_convert_from_fixed): Ditto. * config/rs6000/rs6000.md (FP): Include DD and TD modes. * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1, floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128193 138bc75d-0d04-0410-961f-82ee72b054a4
* gcc/janis2007-09-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * optabs.c (expand_float): Convert unsigned integer as signed only if it provides sufficient accuracy; add mode argument to real_2expN. (expand_fix): Fix comment typos; extend binary float into mode wider than destination for converion to unsigned integer; add mode argument to real_2expN. * real.c (real_2expN): Add mode argument to special-case decimal float values. * real.h (real_2expN): Ditto. * fixed-value.c (check_real_for_fixed_mode): Add mode argument to real_2expN. (fixed_from_string): Ditto. (fixed_to_decimal): Ditto. (fixed_convert_from_real): Ditto. (real_convert_from_fixed): Ditto. * config/rs6000/rs6000.md (FP): Include DD and TD modes. * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1, floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New. gcc/testsuite/ * gcc.target/powerpc/dfp-dd.c: New test. * gcc.target/powerpc/dfp-td.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128156 138bc75d-0d04-0410-961f-82ee72b054a4
* Change copyright header to refer to version 3 of the GNU General Public ↵nickc2007-07-261-4/+3
| | | | | | License and to point readers at the COPYING3 file and the FSF's license web page. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126948 138bc75d-0d04-0410-961f-82ee72b054a4
* * expr.c (handled_component_p): Constify.ghazi2007-07-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * fold-const.c (fit_double_type): Likewise. * real.h (real_value_from_int_cst): Likewise. * tree-flow-inline.h (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars, gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var, gimple_nonlocal_all, gimple_var_anns, end_htab_p, end_referenced_vars_p, var_ann, function_ann, may_aliases, end_readonly_imm_use_p, has_zero_uses, has_single_use, single_imm_use, num_imm_uses, is_exec_stmt, is_label_stmt, is_global_var, phi_ssa_name_p, factoring_name_p, is_call_clobbered, tree_common_ann, op_iter_done, end_imm_use_stmt_p, end_imm_use_on_stmt_p, unmodifiable_var_p, array_ref_contains_indirect_ref, ref_contains_array_ref, lookup_subvars_for_var, var_can_have_subvars, overlap_subvar, gimple_ssa_operands, gimple_mem_ref_stats): Likewise. * tree-flow.h (tree_common_ann, var_ann, function_ann, may_aliases, is_exec_stmt, is_label_stmt, ref_contains_array_ref, array_ref_contains_indirect_ref, var_can_have_subvars, overlap_subvar, is_call_clobbered, unmodifiable_var_p): Likewise. * tree-gimple.c (is_gimple_min_invariant): Likewise. * tree-gimple.h (is_gimple_min_invariant): Likewise. * tree.c (type_hash_list, attribute_hash_list, tree_size, cst_and_fits_in_hwi, real_value_from_int_cst, build_real_from_int_cst, integer_zerop, integer_onep, integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2, tree_floor_log2, real_zerop, real_onep, real_twop, real_minus_onep, really_constant_p, purpose_member, chain_member, list_length, fields_length, int_size_in_bytes, bit_position, int_bit_position, byte_position, int_byte_position, expr_align, array_type_nelts, tree_node_structure, type_contains_placeholder_1, iterative_hash_pointer, is_attribute_with_length_p, is_attribute_p, check_qualified_type, tree_map_base_eq, type_hash_list, type_hash_eq, attribute_hash_list, type_num_arguments, tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare, host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn, simple_cst_list_equal, compare_tree_int, iterative_hash_expr, int_fits_type_p, get_containing_scope, decl_function_context, decl_type_context, omp_clause_operand_check_failed, initializer_zerop, int_cst_value, num_ending_zeros): Likewise. * tree.h (omp_clause_operand_check_failed, tree_size, build_real_from_int_cst, array_type_nelts, purpose_member, tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare, host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn, is_attribute_p, check_qualified_type, expr_align, int_size_in_bytes, bit_position, int_bit_position, byte_position, int_byte_position, list_length, fields_length, initializer_zerop, integer_zerop, integer_onep, integer_all_onesp, integer_pow2p, integer_nonzerop, cst_and_fits_in_hwi, num_ending_zeros, tree_node_structure, handled_component_p, get_containing_scope, decl_function_context, decl_type_context, real_zerop, type_num_arguments, fit_double_type, really_constant_p, int_fits_type_p, tree_log2, tree_floor_log2, iterative_hash_expr, compare_tree_int, chain_member, simple_cst_list_equal, real_onep, real_twop, real_minus_onep, int_cst_value): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126923 138bc75d-0d04-0410-961f-82ee72b054a4
* PR target/30652ghazi2007-07-181-0/+4
| | | | | | | | | | | | | | | | | | | PR middle-end/20558 * builtins.c (expand_builtin_interclass_mathfn): Provide a generic fallback for isinf. * c-cppbuiltin.c (builtin_define_float_constants): Move FP max calculation code ... * real.c (get_max_float): ... to here. * real.h (get_max_float): New. testsuite: * gcc.dg/pr28796-1.c: Add more cases. * gcc.dg/pr28796-2.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126724 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (real_isfinite): New.ghazi2007-06-121-0/+3
| | | | | | | | | | (real_sqrt): Use it. * real.h (real_isfinite): New. * builtins.c: Use it. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125654 138bc75d-0d04-0410-961f-82ee72b054a4
* * config/m68k/m68k.c (override_options): Don't overrideschwab2007-06-031-3/+3
| | | | | | | | | | | | | | | | | REAL_MODE_FORMAT. * config/m68k/m68k-modes.def (SF, DF): Define to use motorola_single_format and motorola_double_format, resp. * real.c (motorola_single_format): Renamed from coldfire_single_format. (motorola_double_format): Renamed from coldfire_double_format. (encode_ieee_extended): Generate a proper canonical NaN image respecting canonical_nan_lsbs_set. (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to true. * real.h: Adjust declarations. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125295 138bc75d-0d04-0410-961f-82ee72b054a4
* 2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>krebbel2007-05-211-5/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed. * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed. * real.c (encode_i370_single, decode_i370_single, encode_i370_double, decode_i370_double): Functions removed. (i370_single_format, i370_double_format): Initializations removed. (real_maxval, round_for_format, exact_real_truncate, significand_size): Consider the log2_b field to always be one. (ieee_single_format, mips_single_format, coldfire_single_format, ieee_double_format, mips_double_format, coldfire_double_format, ieee_extended_motorola_format, ieee_extended_intel_96_format, ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format, ibm_extended_format, mips_extended_format, ieee_quad_format, mips_quad_format, vax_f_format, vax_d_format, vax_g_format, decimal_single_format, decimal_double_format, decimal_quad_format, c4x_single_format, c4x_extended_format, real_internal_format): Remove initialization of log2_b. * real.h (i370_single_format, i370_double_format): Declarations removed. * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b field to always be one. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124901 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (mpfr_from_real): Handle Inf and NaN, and allow thebrooks2007-04-251-2/+2
| | | | | | | | | | | rounding mode to be specified by the caller. (real_to_mpfr) Likewise. * real.h: Update mpfr_from_real, mpfr_to_real prototypes to include new arguments. * builtins.c: Update mpfr_from_real, mpfr_to_real calls. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@124139 138bc75d-0d04-0410-961f-82ee72b054a4
* 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>manu2007-03-221-2/+3
| | | | | | | | | | | | | | | | | | PR other/23572 * c-lex.c (interpret_float): On overflow, emit pedantic warning if infinities not supported, otherwise emit warning if -Woverflow. On underflow, emit warning if -Woverflow. * real.c (real_from_string): Return -1 if underflow, +1 if overflow and 0 otherwise. * real.h (real_from_string): Update declaration testsuite/ * gcc.dg/float-range-4.c: New. * gcc.dg/float-range-1.c: Update. Test for a warning. * gcc.dg/float-range-3.c: New. * gcc.dg/float-range-5.c: New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@123137 138bc75d-0d04-0410-961f-82ee72b054a4
* * emit-rtl.c (dconstpi): Delete.ghazi2007-02-031-1/+1
| | | | | | | | | | | | | (dconstsqrt2): New. (init_emit_once): Delete dconstpi and init dconstsqrt2. * real.h (dconstpi): Delete. (dconstsqrt2): New. * builtins.c (fold_builtin_cabs): Use dconstsqrt2. (fold_builtin_hypot): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121550 138bc75d-0d04-0410-961f-82ee72b054a4
* gcc/rsandifo2007-01-181-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * real.h (real_format): Add a canonical_nan_lsbs_set field. (coldfire_single_format): Declare. (coldfire_double_format): Likewise. * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead of qnan_msb_set to determine the lower bits of a canonical NaN significand. (encode_ieee_double): Likewise. (encode_ieee_quad): Likewise. (ieee_single_format): Initialize canonical_nan_lsbs_set. (mips_single_format): Likewise. (ieee_double_format): Likewise. (mips_double_format): Likewise. (ieee_extended_motorola_format): Likewise. (ieee_extended_intel_96_format): Likewise. (ieee_extended_intel_128_format): Likewise. (ieee_extended_intel_96_round_53_format): Likewise. (ibm_extended_format): Likewise. (mips_extended_format): Likewise. (ieee_quad_format): Likewise. (mips_quad_format): Likewise. (vax_f_format): Likewise. (vax_d_format): Likewise. (vax_g_format): Likewise. (i370_single_format): Likewise. (i370_double_format): Likewise. (decimal_single_format): Likewise. (decimal_double_format): Likewise. (decimal_quad_format): Likewise. (c4x_single_format): Likewise. (c4x_extended_format): Likewise. (real_internal_format): Likewise. (coldfire_single_format): New real_format. (coldfire_double_format): Likewise. * config/pdp11/pdp11.c (pdp11_f_format): Initialize canonical_nan_lsbs_set. (pdp11_d_format): Likewise. * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE if TARGET_COLDFIRE_CPU. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120922 138bc75d-0d04-0410-961f-82ee72b054a4
* 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>manu2006-11-231-0/+3
| | | | | | | | | * real.h (real_isinteger): Declare. * real.c (real_isinteger): Define. * builtins.c (integer_valued_real_p): Use it. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119130 138bc75d-0d04-0410-961f-82ee72b054a4
* PR middle-end/29335ghazi2006-10-231-0/+8
| | | | | | | | | | | | * builtins.c (fold_builtin_sin, fold_builtin_cos, fold_builtin_tan): Fold all constant arguments. Take a "type" argument as necessary. (do_mpfr_arg1): New. * real.c, real.h (real_from_mpfr, mpfr_from_real): New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@117983 138bc75d-0d04-0410-961f-82ee72b054a4
* 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>bje2005-12-021-5/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107861 138bc75d-0d04-0410-961f-82ee72b054a4
* * Makefile.in (RTL_BASE_H): Add real.h.rth2005-08-011-1/+1
| | | | | | | | | | | | | | | * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy instead of memcpy. * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv directly. * rtl.c (rtl_check_failed_code_mode): New. * rtl.h (struct rtx_def): Add u.rv. (XCMWINT, XCNMPRV): New. (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT. (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102643 138bc75d-0d04-0410-961f-82ee72b054a4
* Update FSF address.kcook2005-06-251-2/+2
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@101317 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.h (struct real_format): Split the signbit field into twosayle2005-03-151-2/+7
| | | | | | | | | | | | | | | | | | | two fields, signbit_ro and signbit_rw. * real.c (ieee_single_format, mips_single_format, ieee_double_format, mips_double_format, ieee_extended_motorola_format, ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format, ieee_extended_intel_128_format, ibm_extended_format, mips_extended_format, ieee_quad_format, mips_quad_format, vax_f_format, vax_d_format, vax_g_format, i370_single_format, i370_double_format, c4x_single_format, c4x_extended_format, real_internal_format): Update initializers for new field. * builtins.c (expand_builtin_signbit): Use signbit_ro field of the real_format structure. * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw field of the real_format structure. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96471 138bc75d-0d04-0410-961f-82ee72b054a4
* PR middle-end/19405sayle2005-02-031-0/+6
| | | | | | | | | | * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro. * fold-const.c (const_binop): Avoid constant folding floating point operations in modes that use composite representations. * simplify-rtx.c (simplify_binary_operation): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94653 138bc75d-0d04-0410-961f-82ee72b054a4
* * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,kazu2005-01-221-1/+1
| | | | | | | | | | config/alpha/alpha-protos.h, config/alpha/alpha.h, config/alpha/alpha.md, config/alpha/predicates.md, config/sparc/freebsd.h, config/sparc/netbsd-elf.h, config/sparc/sol2.h: Update copyright. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94064 138bc75d-0d04-0410-961f-82ee72b054a4
* PR rtl-optimization/576sayle2005-01-211-1/+1
| | | | | | | | | | | | | | | | | * real.c (real_arithmetic): Change return type from void to bool to return an indication that the result may be inexact. * real.h (real_arithmeric): Update prototype. * fold-const.c (const_binop): Don't constant fold floating point expressions when the user specifies -frounding-math and the result may depend upon the run-time rounding mode. (fold_convert_const_real_from_real): Clean-up. (fold_initializer): Ignore flag_rounding_math for initializers. * simplify-rtx.c (simplify_binary_operation): Likewise, don't constant fold FP operations with flag_rounding_math if the result may depend upon the run-time rounding mode. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94020 138bc75d-0d04-0410-961f-82ee72b054a4
* * c-common.c: Rename all identifiers named `class' to `cl'.bernie2004-07-251-1/+1
| | | | | | | | | | | | | | | | | * c-decl.c: Likewise. * c-common.h: Likewise. * c-parse.in: Likewise. * c-typeck.c: Likewise. * genmodes.c: Likewise. * real.c: Likewise. * real.h: Likewise. * recog.c: Likewise. * recog.h: Likewise. * regrename.c: Likewise. * tree.h: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@85153 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (real_copysign): New function to implement libm's copysign.sayle2004-06-071-0/+3
| | | | | | | | | | | | | | | | | | | | * real.h (real_copysign): Prototype here. * fold-const.c (tree_expr_nonnegative_p): The result of sqrt, sqrtf and sqrtl can be negative, as sqrt(-0.0) = -0.0. Correct whitespace. * builtins.c (fold_builtin_isascii, fold_builtin_toascii, fold_builtin_isdigit): Add function prototypes. (fold_builtin_copysign): New function to fold copysign, copysignf and copysignl. Optimize copysign(x,x) as x. Evaluate copysign of constant arguments at compile-time using real_copysign. Fold copysign(X,Y) as fabs(X) if Y is always non-negative. (fold_builtin_1): Correct minor whitespace/style issues. Call fold_builtin_copysign for BUILT_IN_COPYSIGN{,F,L}. * gcc.dg/builtins-41.c: New test case. * gcc.dg/builtins-42.c: New test case. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@82721 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.h (struct real_value): Use the same type for allaoliva2004-03-221-2/+11
| | | | | | | | | | | | bitfields. Rename exp to uexp. (REAL_EXP, SET_REAL_EXP): New accessor macros for uexp. Adjust all uses of exp... * builtins.c: ... here, ... * emit-rtl.c: ... here, and ... * real.c: ... and here. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@79802 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (real_floor, real_ceil): Tweak to allow input and outputsayle2004-01-231-1/+3
| | | | | | | | | | | | | | arguments to overlap. (real_round): New function to implement round(3m) semantics. * real.h (real_round): Prototype here. * builtins.c (fold_builtin_round): New function to constant fold round, roundf and roundl. (fold_builtin): Call fold_builtin_round for BUILT_IN_ROUND{,F,L}. * gcc.dg/builtins-29.c: New test case. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@76428 138bc75d-0d04-0410-961f-82ee72b054a4
* * genmodes.c, mode-classes.def: New files.zack2003-10-101-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72313 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.h (REAL_MODE_FORMAT): New macro.zack2003-10-061-0/+1
| | | | | | | | | | | | * c-cppbuiltin.c, optabs.c, real.c, config/alpha/alpha.c * config/c4x/c4x.c, config/i370/i370.c, config/i386/freebsd.h * config/i386/i386.c, config/i960/i960.c, config/ia64/ia64.c * config/m68k/m68k.c, config/mips/mips.c, config/rs6000/rs6000.c * config/vax/vax.c: Use REAL_MODE_FORMAT instead of referring directly to real_format_for_mode array, wherever possible. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72168 138bc75d-0d04-0410-961f-82ee72b054a4
* * builtins.c (builtin_dconsts_init, dconstpi, dconste,ghazi2003-09-111-0/+2
| | | | | | | | | | init_builtin_dconsts): Delete. * emit-rtl.c (dconstpi, dconste): Define. (init_emit_once): Initialize dconstpi & dconste. * real.h (dconstpi, dconste): Declare. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@71320 138bc75d-0d04-0410-961f-82ee72b054a4
* * builtins.c (real_dconstp, fold_builtin_logarithm,ghazi2003-09-091-1/+4
| | | | | | | | | | | | | | | | | fold_builtin_exponent): New, split out from fold_builtin. Also generalize to add log2, log10, exp2 and exp10/pow10 equivalents. * emit-rtl.c (dconst3, dconst10, dconstthird): New. (init_emit_once): Initialize new dconsts, use ARRAY_SIZE in lieu of hardcoded array size. * fold-const.c (fold): Add cases for exp2, exp10 and pow10. (tree_expr_nonnegative_p): Likewise. * real.h (dconst3, dconst10, dconstthird): New. testsuite: * gcc.dg/torture/builtin-explog-1.c: New testcase. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@71252 138bc75d-0d04-0410-961f-82ee72b054a4
* 2003-07-10 Steven Bosscher <steven@gcc.gnu.org>steven2003-07-101-1/+1
| | | | | | | | | | | | | | | | | | * ggc.h, integrate.h, langhooks.h, real.h, toplev.h: Use `rtx' instead of `struct rtx_def *', `rtvec' instead of `struct rtvec_dev *' and `tree' instead of `union tree_node *' in function prototypes. * varray.h (const_equiv_data): Likewise for fields. (varray_data_tag): Likewise. * output.h: Likewise, and don't forward declare union tree_node. * emit_rtl.c (const_int_htab_hash): Cast to `rtx' instead of `struct rtxvec *'. * print-tree.c (print_node): Likewise. * reload1.c: Don't redeclare current_function_decl, tree.h is included in this file. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@69183 138bc75d-0d04-0410-961f-82ee72b054a4
* * jump.c: Convert prototypes to ISO C90.aj2003-07-061-79/+59
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * langhooks-def.h: Likewise. Add extern to prototypes. * langhooks.c: Likewise. * langhooks.h: Likewise. * lcm.c: Likewise. * local-alloc.c: Likewise. * loop-init.c: Likewise. * loop-unroll.c: Likewise. * loop-unswitch.c: Likewise. * loop.c: Likewise. * loop.h: Likewise. Add extern to prototypes. * machmode.h: Likewise. * main.c: Likewise. * mbchar.c: Likewise. * mbchar.h: Likewise. * mkdeps.c: Likewise. * mkdeps.h: Likewise. * optabs.c: Likewise. * optabs.h: Likewise. * output.h: Likewise. * gccspec.c: Likwise. * postreload.c: Likewise. * prefix.c: Likewise. * prefix.h: Likewise. * print-rtl.c: Likewise. * print-tree.c: Likewise. * profile.c: Likewise. * read-rtl.c: Likewise. * real.c: Likewise. * real.h: Likewise. * recog.c: Likewise. * recog.h: Likewise. * reg-stack.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * regrename.c: Likewise. * regs.h: Likewise. * reload.c: Likewise. * reload.h: Likewise. * reload1.c: Likewise. * reorg.c: Likewise. * resource.c: Likewise. * resource.h: Likewise. * rtl-error.c: Likewise. * rtl.c: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68998 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (real_trunc, real_floor, real_ceil): New functionssayle2003-07-031-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | to implement trunc, floor and ceil respectively. * real.h (real_trunc, real_floor, real_ceil): Prototype here. * builtins.c (integer_valued_real_p): New function to test if a floating point expression has an integer valued result. (fold_trunc_transparent_mathfn): Optimize foo(foo(x)) as foo(x) where foo is an integer rounding function. Similarly, optimize foo(bar(x)) as bar(x), and foo((double)(int)x) as (double)(int)x when both foo and bar are integer rounding functions and we don't need to honor errno. (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil): New functions to fold trunc, floor and ceil. (fold_builtin): Use fold_builtin_trunc to fold BUILT_IN_TRUNC*, fold_builtin_floor to fold BUILT_IN_FLOOR* and fold_builtin_ceil to fold BUILT_IN_CEIL*. * fold-const.c (tree_expr_nonnegative_p): Handle FLOAT_EXPR and the remaining integer rounding functions. * gcc.dg/builtins-25.c: New testcase. * gcc.dg/builtins-26.c: New testcase. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68903 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.h (ieee_extended_intel_96_round_53_format): New.ljrittle2003-06-251-0/+1
| | | | | | | | | * real.c (ieee_extended_intel_96_round_53_format): New. * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Use it for XFmode and TFmode. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68445 138bc75d-0d04-0410-961f-82ee72b054a4
* * basic-block.h: Fix comment formatting.kazu2003-06-231-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | * bt-load.c: Likewise. * builtins.c: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-format.c: Likewise. * coverage.c: Likewise. * cpplib.h: Likewise. * cpppch.c: Likewise. * dbxout.c: Likewise. * diagnostic.c: Likewise. * dwarf2out.c: Likewise. * expr.c: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * gcc.c: Likewise. * gcov-io.c: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * profile.c: Likewise. * real.h: Likewise. * sched-deps.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68369 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (real_maxval): New function to return the largest finitesayle2003-05-231-0/+3
| | | | | | | | | | | | value representable in a given mode (i.e. FLT_MAX and DBL_MAX). * real.h (real_maxval): Prototype here. * fold-const.c (fold_inf_compare): Transform comparisons against +-Infinity into comparisons against DBL_MAX (or equivalent). * gcc.c-torture/execute/ieee/inf-2.c: New test case. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@67112 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (real_powi): New function to calculate the value ofsayle2003-05-061-0/+6
| | | | | | | | | | | | | | | a real raised to an integer power, i.e. pow(x,n) for int n. (real_sqrt): Convert to using the faster do_add, do_multiply and do_divide API for consistency with the rest of real.c. * real.h (real_powi): Prototype here. * builtins.c (fold_builtin): Avoid local variable mode when evaluating sqrt at compile time. Attempt to evaluate pow at compile-time, by checking for an integral exponent. * gcc.dg/builtins-14.c: New test case. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@66515 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.h (EXP_BITS): Make room for...aoliva2003-04-011-1/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (struct real_value): ... added canonical bit. (struct real_format): Added pnan. (mips_single_format, mips_double_format, mips_extended_format, mips_quad_format): New. * real.c: Copy p to pnan in all formats. (get_canonical_qnan, get_canonical_snan): Set canonical bit. (real_nan): Use pnan to compute significand's shift. (real_identical): Disregard significand in canonical NaNs. (real_hash): Likewise. Take signalling into account. (encode_ieee_single, encode_ieee_double, encode_ieee_quad): Disregard significand bits in canonical NaNs. Set all bits of canonical NaN if !qnan_msb_set. (encode_ibm_extended, decode_ibm_extended): Likewise. Use qnan_msb_set to tell the base double format. (ibm_extended_format): Use 53 as pnan. (mips_single_format, mips_double_format, mips_extended_format, mips_quad_format): Copied from the corresponding ieee/ibm formats, with qnan_msb_set false. * config/mips/iris6.h (MIPS_TFMODE_FORMAT): Use mips_extended_format. * config/mips/linux64.h (MIPS_TFMODE_FORMAT): Use mips_quad_format. * config/mips/mips.c (override_options): Use mips_single_format and mips_double_format. Default TFmode to mips_quad_format. * config/mips/t-linux64 (tp-bit.c): Define QUIET_NAN_NEGATED. * config/mips/t-irix6: Likewise. * config/mips/t-mips (fp-bit.c, dp-bit.c): Likewise. * config/fp-bit.c (pack_d, unpack_d): Obey it. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@65146 138bc75d-0d04-0410-961f-82ee72b054a4
* * emit-rtl.c (dconstm2, dconsthalf): New real constants.sayle2003-03-311-1/+3
| | | | | | | | | | | | | | | | | | (init_emit_once): Initialize dconstm2 and dconsthalf here. * real.h (dconstm2, dconsthalf): Add prototypes here. * real.c (real_sqrt): Use dconsthalf rather than local copy. * builtins.c (fold_builtin): When optimizing sqrt(exp(x)) as exp(x/2.0) remember to fold the division if possible. Fold sin(0.0) as 0.0, cos(0.0) as 1.0, pow(x,1.0) as x, pow(x,-1.0) as 1.0/x, pow(x,2.0) as x*x, pow(x,-2.0) as 1.0/(x*x) and pow(x,0.5) as sqrt(x). * gcc.dg/builtins-3.c: Add new tests for sin and cos. * gcc.dg/builtins-7.c: New test case. * gcc.dg/builtins-8.c: New test case. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@65088 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.h (struct real_value): Add signalling.rth2003-03-271-1/+2
| | | | | | | | | | | | | | | | (EXP_BITS): Decrement. * real.c (get_canonical_qnan): Don't set MSB-1. (get_canonical_snan): Likewise. Set signalling. (real_identical): Compare signalling. (round_for_format): Remove force-one-bit on code. (real_nan): Likewise. Set signalling. (encode_ieee_single): Add force-one-bit code; honor signalling. (encode_ieee_double, encode_ieee_extended, encode_ieee_quad): Likewise. (decode_ieee_single): Set signalling. (decode_ieee_double, decode_ieee_extended, decode_ieee_quad): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@64935 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (real_sqrt): Return a bool result indicating whethersayle2003-01-151-3/+3
| | | | | | | | | | a floating point exception or trap should be raised. * real.h (real_sqrt): Update function prototype. * builtins.c (fold_builtin): Only fold non-trapping square roots unless we're ignoring errno and trapping math. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@61337 138bc75d-0d04-0410-961f-82ee72b054a4
* Merge basic-improvements-branch to trunkzack2002-12-161-0/+7
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@60174 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (sticky_rshift_significand): Return inexact, don'trth2002-10-221-0/+1
| | | | | | | | | | | | | | or it in immediately. (sub_significands): Accept incomming carry. (div_significands, rtd_divmod): Update for sub_significands change. (round_for_format): Update for sticky_rshift_significand change. (do_add): Don't involve the inexact bit in addition, do give the inexact bit as the subtraction carry-in. (encode_internal, decode_internal, real_internal_format): New. * real.h (real_internal_format): Declare. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58396 138bc75d-0d04-0410-961f-82ee72b054a4
* gcc/rth2002-10-161-5/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * real.c (real_to_decimal): Accept BUF_SIZE and CROP_TRAILING_ZEROS as arguments. Bound DIGITS by the available buffer size. (real_to_hexadecimal): Likewise. * real.h (real_to_decimal, real_to_hexadecimal): Update prototypes. (REAL_VALUE_TO_DECIMAL): Remove. * c-common.c, c-pretty-print.c, print-rtl.c, print-tree.c, sched-vis.c, config/arc/arc.c, config/c4x/c4x.c, config/fr30/fr30.c, config/i370/i370.h, config/i386/i386.c, config/i960/i960.c, config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c, config/m68k/hp320.h, config/m68k/m68k.h, config/m68k/sun2o4.h, config/m68k/sun3.h, config/mips/mips.c, config/ns32k/ns32k.c, config/pdp11/pdp11.h, config/vax/vax.h: Update all callers to use real_to_decimal directly, and with the proper arguments. * doc/tm.texi (REAL_VALUE_TO_DECIMAL): Remove. gcc/cp/ * error.c (dump_expr): Use real_to_decimal directly, and with the new arguments. gcc/f/ * target.h (ffetarget_print_real1, ffetarget_print_real2): Use real_to_decimal directly, and with the new arguments. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58187 138bc75d-0d04-0410-961f-82ee72b054a4
* * cfganal.c (dfs_enumerate_from): Use PARAMS.danglin2002-10-111-2/+4
| | | | | | | | | | * genautomata.c (output_insn_code_cases): Likewise. * real.c (real_format): Likewise. * tree.c (tree_size): Revise expressions using TREE_CODE_LENGTH to ensure value is promoted before doing subtraction. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58064 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.h (SIGNIFICAND_BITS): Add one more word.rth2002-10-041-2/+6
| | | | | | | | | | | | | (CONST_DOUBLE_FORMAT): Accomodate 6 words. * real.c (times_pten): New. (real_to_decimal, real_from_string): Use it. (sticky_rshift_significand): Use & to find modulus. (rshift_significand, lshift_significand): Likewise. (do_divide): Apply sticky bit after normalization. (real_to_decimal, real_to_hexadecimal): Fix sign of Inf and NaN. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57811 138bc75d-0d04-0410-961f-82ee72b054a4
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