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* * output.h: Fix comment typos.kazu2002-12-251-1/+1
| | | | | | | | | | | | | | | | | | | * predict.c: Likewise. * print-tree.c: Likewise. * profile.c: Likewise. * ra-build.c: Likewise. * ra-colorize.c: Likewise. * ra-debug.c: Likewise. * ra-rewrite.c: Likewise. * ra.c: Likewise. * ra.h: Likewise. * real.c: Likewise. * recog.c: Likewise. * reg-stack.c: Likewise. * regclass.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@60502 138bc75d-0d04-0410-961f-82ee72b054a4
* Merge basic-improvements-branch to trunkzack2002-12-161-0/+100
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@60174 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (real_to_decimal): Fix buffer overrun when buffer sizegrahams2002-11-171-5/+5
| | | | | | | is smaller than representation. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@59200 138bc75d-0d04-0410-961f-82ee72b054a4
* * hard-reg-set.h: Follow spelling conventions.kazu2002-11-161-3/+3
| | | | | | | | * real.c: Likewise. * target.h: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@59173 138bc75d-0d04-0410-961f-82ee72b054a4
* * combine.c: Fix comment formatting.kazu2002-10-271-1/+1
| | | | | | | | | | | | | | | | * loop.c: Likewise. * real.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * regrename.c: Likewise. * reg-stack.c: Likewise. * reload1.c: Likewise. * reload.c: Likewise. * reload.h: Likewise. * unroll.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58583 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (real_to_decimal): If the >1 tens reduction loop resultsrth2002-10-251-9/+17
| | | | | | | in a negative exponent, fall into the <1 pten computation. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58538 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (sticky_rshift_significand): Return inexact, don'trth2002-10-221-18/+66
| | | | | | | | | | | | | | 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
* * real.c (do_add): Fix 0+0 sign corner case.rth2002-10-191-4/+4
| | | | | | | (do_divide): Fix Inf/0 corner case. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58322 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (cmp_significand_0, rtd_divmod, ten_to_mptwo): New.rth2002-10-181-75/+270
| | | | | | | | | (real_to_decimal): Re-implement using the logic from the gcc 3.2 etoasc. Comment heavily. (div_significands): Simplify loop startup and comparison logic. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58295 138bc75d-0d04-0410-961f-82ee72b054a4
* gcc/rth2002-10-161-20/+44
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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
* * real.h (SIGNIFICAND_BITS): Add one more word.rth2002-10-041-38/+49
| | | | | | | | | | | | | (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
* * real.c (real_to_decimal): Crop trailing zeros for DIGITS < 0.rth2002-10-021-5/+19
| | | | | | | | | (real_to_hexadecimal): Likewise. * print-rtl.c (print_rtx): If we are linked with real.c, don't dump the XWINT fields of a floating point CONST_DOUBLE. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57719 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (real_from_string): Apply sign last. Tidy exponent handling.rth2002-09-301-18/+21
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57637 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.h (ibm_extended_format): Declare.dje2002-09-291-0/+93
| | | | | | | | * real.c (encode_ibm_extended, decode_ibm_extended): New functions. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57633 138bc75d-0d04-0410-961f-82ee72b054a4
* * ChangeLog.4: Fix typos.kazu2002-09-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | * ChangeLog.6: Likewise. * FSFChangeLog.10: Likewise. * genattrtab.c: Fix comment typos. * haifa-sched.c: Likewise. * real.c: Likewise. * tree.h: Likewise. * config/arm/arm.c: Likewise. * config/arm/crti.asm: Likewise. * config/arm/crtn.asm: Likewise. * config/frv/frv.c: Likewise. * config/frv/frv.md: Likewise. * config/h8300/h8300.md: Likewise. * config/i386/rtemself.h: Likewise. * config/ia64/unwind-ia64.c: Likewise. * config/ip2k/ip2k.h: Likewise. * config/m88k/m88k.c: Likewise. * config/m88k/m88k.md: Likewise. * config/mips/sr71k.md: Likewise. * config/mmix/mmix.c: Likewise. * config/rs6000/rs6000.c: Likewise. * config/sh/sh.md: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57614 138bc75d-0d04-0410-961f-82ee72b054a4
* * c-common.h: Follow spelling conventions.kazu2002-09-261-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | * cpplex.c: Likewise. * cpplib.h: Likewise. * gthr-dce.h: Likewise. * gthr-posix.h: Likewise. * optabs.c: Likewise. * output.h: Likewise. * profile.c: Likewise. * protoize.c: Likewise. * ra-rewrite.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * reg-stack.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * reload.c: Likewise. * reload.h: Likewise. * reload1.c: Likewise. * reorg.c: Likewise. * resource.c: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57555 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (do_multiply): Normalize U before addition.rth2002-09-231-3/+3
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57435 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (struct real_format): Move to real.h.rth2002-09-211-170/+94
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (real_format_for_mode): Rename from fmt_for_mode; update all users; initialize with ieee defaults. (real_to_target_fmt, real_from_target_fmt): New. (ieee_single_format, ieee_double_format, ieee_extended_motorola_format, ieee_extended_intel_96_format, ieee_extended_intel_128_format, ieee_quad_format, i370_single_format, i370_double_format, c4x_single_format, c4x_extended_format): Rename from s/_format//. (ieee_quad_format): Fix emin. (format_for_size, init_real_once): Remove. * real.h (struct real_format): Move from real.c. (real_format_for_mode): Declare. (real_to_target_fmt, real_from_target_fmt): Declare. (ieee_single_format, ieee_double_format, ieee_extended_motorola_format, ieee_extended_intel_96_format, ieee_extended_intel_128_format, ieee_quad_format, vax_f_format, vax_d_format, vax_g_format, i370_single_format, i370_double_format, c4x_single_format, c4x_extended_format): Declare. * toplev.c (do_compile): Don't call init_real_once. * defaults.h (INTEL_EXTENDED_IEEE_FORMAT): Remove. * doc/tm.texi (INTEL_EXTENDED_IEEE_FORMAT): Remove. * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Define. * config/alpha/osf5.h (LONG_DOUBLE_TYPE_SIZE): 64, if vax mode. * config/alpha/alpha.c (override_options): Set real_format_for_mode for VAX, if enabled. * config/c4x/c4x.c (c4x_override_options): Set real_format_for_mode for C4X. * config/i370/i370.h (OVERRIDE_OPTIONS): New. * config/i370/i370.c (override_options): New. * config/i370/i370-protos.h: Update. * config/i386/i386.c (override_options): Set real_format_for_mode for Intel 80-bit extended. * config/i386/i386.h (INTEL_EXTENDED_IEEE_FORMAT): Remove. * config/i960/i960.h (LONG_DOUBLE_TYPE_SIZE): Mind -mlong-double-64. (OVERRIDE_OPTIONS): Move code... * config/i960/i960.c (i960_initialize): ... here. Set real_format_for_mode for Intel 80-bit extended. * config/ia64/ia64.c (ia64_override_options): Set real_format_for_mode for Intel 80-bit extended, if enabled. * config/m68k/m68k.c (override_options): Set real_format_for_mode for Motorola 96-bit extended. * config/vax/vax.h (OVERRIDE_OPTIONS): New. * config/vax/vax.c (override_options): New. * config/vax/vax-protos.h: Update. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57388 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (real_hash): New.rth2002-09-201-0/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | * real.h: Declare it. * cse.c (canon_hash): Use it. * cselib.c (hash_rtx): Likewise. * emit-rtl.c (const_double_htab_hash): Likewise. * rtl.h (CONST_DOUBLE_REAL_VALUE): New. * varasm.c (struct rtx_const): Reduce vector size; separate integer and fp vectors. (HASHBITS): Remove. (const_hash_1): Rename from const_hash. Use real_hash. Do not take modulus MAX_HASH_TABLE. (const_hash): New. Do take modulus MAX_HASH_TABLE. (output_constant_def): Do not take modulus MAX_HASH_TABLE. (SYMHASH): Don't use HASHBITS. (decode_rtx_const): Copy only active bits from REAL_VALUE_TYPE. Fix CONST_VECTOR thinko wrt fp vectors. Fix kind comparison. (simplify_subtraction): Fix kind comparison. (const_hash_rtx): Return unsigned int. Don't use HASHBITS. Use a union to pun integer array. * config/rs6000/rs6000.c (rs6000_hash_constant): Use real_hash; only hash two words of integral CONST_DOUBLE. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57356 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (do_fix_trunc): Static.rth2002-09-201-1/+34
| | | | | | | | | | (encode_ieee_single, encode_ieee_double, encode_ieee_extended, encode_ieee_quad, encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single, encode_i370_double, encode_c4x_single, encode_c4x_extended): Add default abort case. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57344 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.h (enum real_value_class, SIGNIFICAND_BITS, EXP_BITS,rth2002-09-201-287/+231
| | | | | | | | | | | | | | | | | | | | | MAX_EXP, SIGSZ, SIG_MSB, struct real_value): Move from real.c. (struct realvaluetype): Remove. (REAL_VALUE_TYPE): Use struct real_value. (REAL_VALUE_TYPE_SIZE): Use SIGNIFICAND_BITS. (test_real_width): New. * real.c: Global replace struct real_value with REAL_VALUE_TYPE. (real_arithmetic): Avoid hoops for REAL_VALUE_TYPE parameters. (real_compare, real_exponent, real_ldexp, real_isinf, real_isnan, real_isneg, real_isnegzero, real_identical, exact_real_inverse, real_to_integer, real_to_integer2, real_to_decimal, real_to_hexadecimal, real_from_string, real_from_integer, real_inf, real_nan, real_2expN, real_convert, real_to_target, real_from_target): Likewise. * tree.h (struct tree_real_cst): Use real_value not realvaluetype. * gengtype-yacc.y (bitfieldopt): Accept an ID as well. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57343 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (round_for_format): Collect sticky as unsigned long, not bool.rth2002-09-191-3/+3
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57289 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (sticky_rshift_significand): Collect sticky asrth2002-09-181-2/+2
| | | | | | | unsigned long, not bool. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57284 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (do_fix_trunc): New.rth2002-09-171-0/+34
| | | | | | | | | (real_arithmetic): Call it. * simplify-rtx.c (simplify_unary_operation): Handle FIX with a floating-point result mode. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57223 138bc75d-0d04-0410-961f-82ee72b054a4
* gcc/rth2002-09-171-7/+94
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * builtin-types.def (BT_FN_FLOAT_CONST_STRING): New. (BT_FN_DOUBLE_CONST_STRING, BT_FN_LONG_DOUBLE_CONST_STRING): New. * builtins.def (__builtin_nan, __builtin_nanf, __builtin_nanl): New. (__builtin_nans, __builtin_nansf, __builtin_nansl): New. * builtins.c (fold_builtin_nan): New. (fold_builtin): Call it. * real.c (real_nan): Parse a non-empty string. (round_for_format): Fix NaN significand truncation. * real.h (real_nan): Return bool. * doc/extend.texi: Document new builtins. libstdc++/ * include/std/std_limits.h (__glibcpp_f32_QNaN_bytes, __glibcpp_f32_has_QNaN, __glibcpp_f32_SNaN_bytes, __glibcpp_f32_has_SNaN, __glibcpp_f64_QNaN_bytes, __glibcpp_f64_has_QNaN, __glibcpp_f64_SNaN_bytes, __glibcpp_f64_has_SNaN, __glibcpp_f80_QNaN_bytes, __glibcpp_f80_has_QNaN, __glibcpp_f80_SNaN_bytes, __glibcpp_f80_has_SNaN, __glibcpp_f96_QNaN_bytes, __glibcpp_f96_has_QNaN, __glibcpp_f96_SNaN_bytes, __glibcpp_f96_has_SNaN, __glibcpp_f128_QNaN_bytes, __glibcpp_f128_has_QNaN, __glibcpp_f128_SNaN_bytes, __glibcpp_f128_has_SNaN, __glibcpp_float_QNaN_bytes, __glibcpp_float_has_QNaN, __glibcpp_float_SNaN_bytes, __glibcpp_float_has_SNaN, __glibcpp_double_QNaN_bytes, __glibcpp_double_has_QNaN, __glibcpp_double_SNaN_bytes, __glibcpp_double_has_SNaN, __glibcpp_long_double_QNaN_bytes, __glibcpp_long_double_has_QNaN, __glibcpp_long_double_SNaN_bytes, __glibcpp_long_double_has_SNaN): Remove. (__glibcpp_f128_is_iec559): True if IEEE. (__glibcpp_float_QNaN, __glibcpp_float_SNaN): Remove. (__glibcpp_double_QNaN, __glibcpp_double_SNaN): Remove. (__glibcpp_long_double_QNaN, __glibcpp_long_double_SNaN): Remove. (std::numeric_limits<float>::has_quiet_NaN): Use __builtin_nanf. (std::numeric_limits<float>::has_signaling_NaN): Mirror has_quiet_NaN. (std::numeric_limits<float>::quiet_NaN): Use __builtin_nanf. (std::numeric_limits<float>::signaling_NaN): Use __builtin_nansf. (std::numeric_limits<double>): Similarly. (std::numeric_limits<long double>): Similarly. * src/limits.cc (__glibcpp_float_QNaN, __glibcpp_float_SNaN): Remove. (__glibcpp_double_QNaN, __glibcpp_double_SNaN): Remove. (__glibcpp_long_double_QNaN, __glibcpp_long_double_SNaN): Remove. * testsuite/18_support/numeric_limits.cc (test_infinity): New. (test_denorm_min, test_qnan, test_is_iec559): New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57221 138bc75d-0d04-0410-961f-82ee72b054a4
* gcc/rth2002-09-161-5884/+3032
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * real.c, real.h: Rewrite from scratch. * Makefile.in (simplify-rtx.o): Depend on TREE_H. (paranoia): New target. * builtins.c (fold_builtin_inf): Use new real.h interface. * c-common.c (builtin_define_with_hex_fp_value): Likewise. * c-lex.c (interpret_float): Likewise. * emit-rtl.c (gen_lowpart_common): Likewise. * optabs.c (expand_float): Use real_2expN. * config/ia64/ia64.md (divsi3, udivsi3): Likewise. * defaults.h (INTEL_EXTENDED_IEEE_FORMAT): New. (FLOAT_WORDS_BIG_ENDIAN): New. * cse.c (find_comparison_args): Don't pass FLOAT_STORE_FLAG_VALUE directly to REAL_VALUE_NEGATIVE. * loop.c (canonicalize_condition): Likewise. * simplify-rtx.c: Include tree.h. (simplify_unary_operation): Don't handle FIX and UNSIGNED_FIX with floating-point result modes. * toplev.c (backend_init): Call init_real_once. * fold-const.c (force_fit_type): Don't call CHECK_FLOAT_VALUE. * tree.c (build_real): Likewise. * config/alpha/alpha.c, config/vax/vax.c (float_strings, float_values, inited_float_values, check_float_value): Remove. * config/alpha/alpha.h, config/m68hc11/m68hc11.h, config/m88k/m88k.h, config/vax/vax.h (CHECK_FLOAT_VALUE): Remove. * doc/tm.texi (CHECK_FLOAT_VALUE): Remove. gcc/f/ * target.c (ffetarget_real1): Don't pass FFETARGET_ATOF_ directly to ffetarget_make_real1. (ffetarget_real2): Similarly. * target.h (ffetarget_cvt_r1_to_rv_, ffetarget_cvt_rv_to_r2_, ffetarget_cvt_r2_to_rv_): Use new real.h interface and simplify. gcc/java/ * jcf-parse.c (get_constant): Runtime check for IEEE format; use new real.h interface. * jcf-write.c (find_constant_index): Use new real.h interface. * lex.c (IS_ZERO): Use REAL_VALUES_EQUAL. contrib/ * paranoia.cc: New file. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57198 138bc75d-0d04-0410-961f-82ee72b054a4
* * ChangeLog: Follow spelling conventions.kazu2002-09-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * ChangeLog.0: Likewise. * ChangeLog.1: Likewise. * ChangeLog.2: Likewise. * ChangeLog.3: Likewise. * ChangeLog.4: Likewise. * ChangeLog.5: Likewise. * ChangeLog.6: Likewise. * FSFChangeLog.10: Likewise. * FSFChangeLog.11: Likewise. * c-common.c: Likewise. * c-common.h: Likewise. * c-format.c: Likewise. * c-opts.c: Likewise. * cpplib.c: Likewise. * langhooks.h: Likewise. * real.c: Likewise. * reg-stack.c: Likewise. * toplev.c: Likewise. * config/arm/arm.c: Likewise. * config/arm/arm.md: Likewise. * config/arm/linux-gas.h: Likewise. * config/arm/netbsd.h: Likewise. * config/c4x/c4x.c: Likewise. * config/c4x/c4x.h: Likewise. * config/c4x/c4x.md: Likewise. * config/c4x/libgcc.S: Likewise. * config/fr30/fr30.md: Likewise. * config/frv/frv.md: Likewise. * config/ia64/ia64.md: Likewise. * config/mips/mips.h: Likewise. * config/mn10300/mn10300.c: Likewise. * config/stormy16/stormy16.c: Likewise. * config/v850/v850.md: Likewise. * doc/extend.texi: Likewise. * doc/invoke.texi: Likewise. * doc/md.texi: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57166 138bc75d-0d04-0410-961f-82ee72b054a4
* * basic-block.h: Fix comment formatting.kazu2002-09-081-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | * c-common.c: Likewise. * c-common.h: Likewise. * c-lex.c: Likewise. * c-pretty-print.c: Likewise. * cfglayout.c: Likewise. * cfgloop.c: Likewise. * defaults.h: Likewise. * et-forest.c: Likewise. * explow.c: Likewise. * function.h: Likewise. * gcov.c: Likewise. * genattrtab.c: Likewise. * gengtype.c: Likewise. * ifcvt.c: Likewise. * libgcc2.c: Likewise. * loop.c: Likewise. * profile.c: Likewise. * ra-build.c: Likewise. * real.c: Likewise. * rtl.h: Likewise. * tracer.c: Likewise. * tree-inline.c: Likewise. * varasm.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56952 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (ereal_inf): Clear E before use.rth2002-09-081-0/+1
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56925 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c: Avoid parse error if FLOAT_WORDS_BIG_ENDIAN isthorpej2002-09-051-1/+3
| | | | | | | | | | | | | | not a compile-time constant for the non-IBM case. * config/arm/arm-protos.h (arm_float_words_big_endian): New prototype. * config/arm/arm.c (arm_float_words_big_endian): New function. (TARGET_CPU_CPP_BUILTINS): Define __VFP_FP__ if TARGET_VFP and not TARGET_HARD_FLOAT. (ARM_FLAG_VFP, TARGET_VFP): Define. (FLOAT_WORDS_BIG_ENDIAN): Use arm_float_words_big_endian. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56854 138bc75d-0d04-0410-961f-82ee72b054a4
* * builtin-types.def (BT_FN_FLOAT): New.rth2002-09-041-2/+45
| | | | | | | | | | | | | | (BT_FN_DOUBLE, BT_FN_LONG_DOUBLE): New. * builtins.def (BUILT_IN_INF, BUILT_IN_INFF, BUILT_IN_INFL, BUILT_IN_HUGE_VAL, BUILT_IN_HUGE_VALF, BUILT_IN_HUGE_VALL): New. * builtins.c (fold_builtin_inf): New. (fold_builtin): Call it. * real.c (ereal_inf): New. * real.h: Declare it. * doc/extend.texi: Document new builtins. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56820 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (ereal_to_decimal): Add digits parameter.rth2002-09-041-5/+58
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * real.h (REAL_VALUE_TO_DECIMAL): Remove format; add digits parameter. * c-pretty-print.c (pp_c_real_literal): Update call. * print-rtl.c (print_rtx): Likewise. * print-tree.c (print_node_brief, print_node): Likewise. * sched-vis.c (print_value): Likewise. * config/arc/arc.c (arc_print_operand): Likewise. * config/c4x/c4x.c (c4x_print_operand): Likewise. * config/i370/i370.h (PRINT_OPERAND): Likewise. * config/i386/i386.c (print_operand): Likewise. * config/i960/i960.c (i960_print_operand): Likewise. * config/ip2k/ip2k.c (asm_output_float): Likewise. * config/m32r/m32r.c (m32r_print_operand): Likewise. * config/m68hc11/m68hc11.c (print_operand): Likewise. * config/m68k/hp320.h (PRINT_OPERAND, ASM_OUTPUT_FLOAT_OPERAND, ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND): Likewise. * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND, ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND): Likewise. * config/m68k/sun2o4.h (ASM_OUTPUT_FLOAT_OPERAND, ASM_OUTPUT_DOUBLE_OPERAND): Likewise. * config/m68k/sun3.h (ASM_OUTPUT_FLOAT_OPERAND, ASM_OUTPUT_DOUBLE_OPERAND): Likewise. * config/mips/mips.c (print_operand): Likewise. * config/ns32k/ns32k.c (print_operand): Likewise. * config/pdp11/pdp11.h (PRINT_OPERAND): Likewise. * config/vax/vax.h (PRINT_OPERAND): Likewise. * doc/tm.texi (REAL_VALUE_TO_DECIMAL): Update docs. * f/target.h (ffetarget_print_real1, ffetarget_print_real2): Update call to REAL_VALUE_TO_DECIMAL. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56798 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (ieee_64): Always define.ghazi2002-08-121-3/+10
| | | | | | | | | | | (ieee_113): Guard with INTEL_EXTENDED_IEEE_FORMAT == 0. (dec_h): Not used yet, hide it. (emdnorm): Mark parameter in ATTRIBUTE_UNUSED. Guard label with macro controlling use. (TFbignan, TFlittlenan): Guard with INTEL_EXTENDED_IEEE_FORMAT == 0. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56232 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (ieee_24, ieee_53, ieee_64, ieee_113): Define only if thedanglin2002-07-301-0/+4
| | | | | | | | | floating point format of the target is IEEE. * (dec_f, dec_d, dec_g, dec_h): Define only if the floating point format of the target is DEC. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55859 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (REAL_WORDS_BIG_ENDIAN): Make 1 for DEC.danglin2002-07-231-742/+456
| | | | | | | | | | | | | | | | | | | | | | | | | (LARGEST_EXPONENT_IS_NORMAL): Ditto. (VAX_HALFWORD_ORDER): Define (1 for DEC VAX, 0 otherwise). (TARGET_G_FLOAT): Default to 0 if not defined. (ieeetoe): New, common routine to convert target format floats to internal form. (e24toe, e53toe): Change to use ieeetoe, distinguish DEC vs. others. (e113toe): Change to use ieeetoe. (REAL_WORDS_BIG_ENDIAN): Make sure it is 0 for DEC and 1 for IBM. (e53toe): Assume IEEE if non of DEC, IBM and C4X is defined. (e64toe): Remove special cases for DEC and IBM. Remove support for ARM_EXTENDED_IEEE_FORMAT. (e24toe): Remove special cases for DEC. (significand_size): Simplify. Indent. (ieee_format, ieee_24, ieee_53, ieee_64, ieee_113): New. (etoieee, toieee): New. (etoe113, toe113, etoe64, toe64, etoe53, toe53, etoe24, toe24): Use etoieee and toieee for IEEE arithmetic. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55683 138bc75d-0d04-0410-961f-82ee72b054a4
* * tree.h: Forward-declare struct realvaluetype.zack2002-05-281-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | (struct tree_real_cst): Point to the REAL_VALUE_TYPE, do not contain it. (TREE_REAL_CST_PTR): New accessor. (TREE_REAL_CST): Update. * real.h: Include machmode.h. (realvaluetype): Make it struct realvaluetype, not a typedef. (build_real): Prototype here. * tree.c: Include real.h. (build_real): Allocate the REAL_VALUE_TYPE as a separate object in GC memory, set TREE_REAL_CST_PTR to point to it. (build_real_from_int_cst): Use build_real. * ggc-common.c (ggc_mark_trees): Mark TREE_REAL_CST_PTR of a REAL_CST. * builtins.c, c-common.c, c-lex.c, dwarf2out.c, expr.c, fold-const.c, print-tree.c, real.c, cp/mangle.c, cp/tree.c, f/bld.c, f/com.c, f/expr.c, f/target.c, java/decl.c, java/jcf-parse.c, java/parse.y, java/typeck.c: Include real.h. * Makefile.in, cp/Make-lang.in, f/Make-lang.in, java/Make-lang.in: Update dependency lists. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53959 138bc75d-0d04-0410-961f-82ee72b054a4
* * expr.c (compress_float_constant): New.rth2002-05-121-0/+16
| | | | | | | | | | | | | | | | (emit_move_insn): Use it. (float_extend_from_mem): New. (init_expr_once): Initialize it. * real.c (exact_real_truncate): New. * config/i386/i386.h (CONST_COSTS): Assume CONST_DOUBLE gets dropped into memory; penalize for size. (RTX_COSTS): FLOAT_EXTEND is free. * config/i386/i386.md (extendsfdf2, extendsfxf2, extendsftf2, extenddfxf2, extenddftf2): Accept constants and drop them to memory. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53401 138bc75d-0d04-0410-961f-82ee72b054a4
* * read-rtl.c: Fix formatting.kazu2002-05-091-21/+21
| | | | | | | | | | | | | | | | | * real.c: Likewise. * recog.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * reg-stack.c: Likewise. * reload1.c: Likewise. * reload.c: Likewise. * resource.c: Likewise. * rtlanal.c: Likewise. * rtl.c: Likewise. * rtl-error.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53313 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (etoasc): Strip most trailing zeros for clarity.rth2002-05-041-6/+3
| | | | | | | | | * sched-vis.c: Include real.h. (print_value): Use REAL_VALUE_TO_DECIMAL as needed. * Makefile.in (sched-vis.o): Add real.h. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53137 138bc75d-0d04-0410-961f-82ee72b054a4
* Add some explanation for last change.schwab2002-04-191-1/+4
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@52531 138bc75d-0d04-0410-961f-82ee72b054a4
* 2002-04-19 Andreas Schwab <schwab@suse.de>dje2002-04-191-5/+12
| | | | | | | | * real.c: Allow sizeof (REAL_VALUE_TYPE) > 2*NE. (PUT_REAL): Restore old definition. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@52527 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.h: Define REAL_VALUE_TYPE_SIZE as 96 or 160, aszack2002-04-191-76/+27
| | | | | | | | | | | | | | | | | | | | appropriate. Document need for extended precision even when MAX_LONG_DOUBLE_TYPE_SIZE is smaller. Define REAL_WIDTH here, based on REAL_VALUE_TYPE_SIZE. Use REAL_WIDTH to size REAL_VALUE_TYPE. Define CONST_DOUBLE_FORMAT here. Use #error instead of relying on later syntax error when REAL_WIDTH > 5. * real.c: Define NE based only on whether or not we have a full 128-bit extended type (not INTEL_EXTENDED_IEEE_FORMAT). Require sizeof(REAL_VALUE_TYPE) == 2*NE. Unconditionally define GET_REAL and PUT_REAL as simple memcpy operations; no need to byteswap or round. Use #error instead of #ifdef-ing out the entire file, for prompt error detection. * rtl.c, gengenrtl.c: No need to calculate CONST_DOUBLE_FORMAT here. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@52502 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.h: Don't define REAL_INFINITY or REAL_IS_NOT_DOUBLE.zack2002-03-231-8/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Always make REAL_VALUE_TYPE a struct containing an array of HOST_WIDE_INT, not a double. Tidy up the code deciding how big it is. Don't declare or use union real_extract. * emit-rtl.c (init_emit_once), varasm.c (immed_real_const_1, decode_rtx_const, output_constant_pool), config/a29k/a29k.c (print_operand), config/arm/arm.c (output_move_double), config/arm/arm.md (consttable_4, consttable_8), config/romp/romp.c (output_fpops), config/s390/s390.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY), config/xtensa/xtensa.c (xtensa_output_literal): Don't use union real_extract. * config/dsp16xx/dsp16xx.c (print_operand), config/i860/i860.c (sfmode_constant_to_ulong), config/ns32k/merlin.h (PRINT_OPERAND), config/ns32k/ns32k.c (print_operand), config/pdp11/pdp11.h (PRINT_OPERAND), config/we32k/we32k.h (PRINT_OPERAND): Don't use local version of union real_extract. * config/convex/convex.c (check_float_value), config/vax/vax.c (vax_float_literal), config/m88k/m88k.md (divdf3), config/dsp16xx/dsp16xx.md (fixuns_trunchfhi2), config/pdp11/pdp11.c (output_move_quad): Don't do host arithmetic on target floating point quantities. * config/a29k/a29k.md, config/dsp16xx/dsp16xx.c (output_dsp16xx_float_const): Don't test HOST_FLOAT_FORMAT. * fold-const.c (fold), simplify-rtx.c (simplify_binary_real): Use MODE_HAS_INFINITIES rather than #ifdef REAL_INFINITY. * real.c (earith): Test INFINITY rather than REAL_INFINITY; NANS implies INFINITY, so can drop #ifdef NANS inside #ifndef INFINITY. * print-rtl.c (print_rtx): Disable code which needs floating-point emulator. * libgcc2.c: Include float.h and use DBL_MANT_DIG, FLT_MANT_DIG, to define DF_SIZE and SF_SIZE, rather than depending on HOST_FLOAT_FORMAT to be defined properly. * ch/grant.c, cp/error.c: Always use REAL_VALUE_TO_DECIMAL; don't test REAL_IS_NOT_DOUBLE. * config/1750a/1750a.c (get_double, float_label): Delete. (print_operand): Delete huge commented-out chunk. Use REAL_VALUE_TO_DECIMAL. * config/1750a/1750a-protos.h: Delete prototypes of deleted functions. * config/convex/convex.h: Always set TARGET_FLOAT_FORMAT to IEEE_FLOAT_FORMAT. * config/i370/i370.h (PRINT_OPERAND [TARGET_HLASM version]): Use REAL_VALUE_TO_DECIMAL as ELF version does. * config/m88k/m88k.c (real_power_of_2_operand, legitimize_operand): Take the REAL_VALUE_TYPE and/or union real_extract out of the union; run the input through REAL_VALUE_TO_TARGET_DOUBLE, then plug the pair of longwords from that into the union. * config/pdp11/pdp11.c (output_move_double): Rearrange parentheses to make automatic indenter happy. * doc/tm.texi (Cross-compilation): Rename node to "Floating Point" and rewrite to describe current situation. Also adjust documentation of REAL_VALUE_TO_TARGET_SINGLE and friends to match code. * doc/rtl.texi: Adjust cross reference. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51210 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (eiisneg): Move outside #ifdef NANS.rsandifo2002-03-221-3/+1
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51172 138bc75d-0d04-0410-961f-82ee72b054a4
* * defaults.h (LARGEST_EXPONENT_IS_NORMAL, ROUND_TOWARDS_ZERO): New.rsandifo2002-03-111-14/+61
| | | | | | | | | | | | | | | | | | | | | | | | | (MODE_HAS_NANS, MODE_HAS_INFINITIES): Evaluate to false if LARGEST_EXPONENT_IS_NORMAL for the given mode. (MODE_HAS_SIGN_DEPENDENT_ROUNDING): False when ROUND_TOWARDS_ZERO. * real.c (eadd1): Make rounding dependent on !ROUND_TOWARDS_ZERO. (ediv, emul, eldexp, esqrt): Likewise. (etoe113, etoe64, etoe53, etoe24, etodec, etoibm, etoc4x): Likewise. (e24toe): Only check NaNs & infinities if !LARGEST_EXPONENT_IS_NORMAL. (saturate): New function. (toe53, toe24): Saturate on overflow if LARGEST_EXPONENT_IS_NORMAL. (make_nan): Use a saturation value instead of a NaN if LARGEST_EXPONENT_IS_NORMAL. Warn when this happens. * fp-bit.c (pack_d): Saturate on NaN, infinite or overflowing inputs if LARGEST_EXPONENT_IS_NORMAL. Represent subnormals as zero if NO_DENORMALS. Only round to nearest if !ROUND_TOWARDS_ZERO. (unpack_d): No NaNs or infinities if LARGEST_EXPONENT_IS_NORMAL. (_fpmul_parts, _fpdiv_parts): Only round to nearest if !ROUND_TOWARDS_ZERO. * doc/tm.texi (LARGEST_EXPONENT_IS_NORMAL): Document. (ROUND_TOWARDS_ZERO): Document. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50569 138bc75d-0d04-0410-961f-82ee72b054a4
* * emit-rtl.c, final.c, fold-const.c, gengenrtl.c, optabs.c,zack2002-03-031-58/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | print-tree.c, real.c, real.h, recog.c, rtl.c, simplify-rtx.c, tree.c, config/m68k/m68k.c, f/com.c, f/target.h, java/expr.c, java/jcf-parse.c, java/lex.c: Remove all #ifndef REAL_ARITHMETIC blocks, make all #ifdef REAL_ARITHMETIC blocks unconditional. Delete some further #ifdef blocks predicated on REAL_ARITHMETIC. * flags.h, toplev.c: Delete remaining references to flag_pretend_float. * doc/invoke.texi: Remove documentation of -fpretend-float. * doc/tm.texi: Describe the various REAL_* macros as provided by real.h, not by the target configuration files. * config/alpha/alpha.h, config/alpha/unicosmk.h, config/arm/arm.h, config/avr/avr.h, config/c4x/c4x.h, config/convex/convex.h, config/cris/cris.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h, config/h8300/h8300.h, config/i370/i370.h, config/i386/i386.h, config/i386/osf1elf.h, config/i960/i960.h, config/ia64/ia64.h, config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/dpx2.h, config/m68k/linux-aout.h, config/m68k/linux.h, config/m68k/m68k.h, config/m68k/sun3.h, config/m68k/vxm68k.h, config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h, config/mn10300/mn10300.h, config/pa/pa.h, config/pj/pj.h, config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h, config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h, config/sparc/sol2.h, config/sparc/sparc.h, config/sparc/vxsim.h, config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h, config/xtensa/xtensa.h: Do not define, undefine, or mention in comments any of REAL_ARITHMETIC, REAL_VALUE_ATOF, REAL_VALUE_HTOF, REAL_VALUE_ISNAN, REAL_VALUE_ISINF, REAL_VALUE_TO_TARGET_SINGLE, REAL_VALUE_TO_TARGET_DOUBLE, REAL_VALUE_TO_TARGET_LONG_DOUBLE, REAL_VALUE_TO_DECIMAL, REAL_VALUE_TYPE, REAL_VALUES_EQUAL, REAL_VALUES_LESS, REAL_VALUE_LDEXP, REAL_VALUE_FIX, REAL_VALUE_UNSIGNED_FIX, REAL_VALUE_RNDZINT, REAL_VALUE_UNSIGNED_RNDZINT, REAL_INFINITY, REAL_VALUE_NEGATE, REAL_VALUE_TRUNCATE, REAL_VALUE_TO_INT, or REAL_VALUE_FROM_INT. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50263 138bc75d-0d04-0410-961f-82ee72b054a4
* * read-rtl.c: Fix formatting.kazu2002-01-151-25/+25
| | | | | | | | | | | | | * real.c: Likewise. * recog.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * reg-stack.c: Likewise. * reload1.c: Likewise. * rtlanal.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48870 138bc75d-0d04-0410-961f-82ee72b054a4
* * read-rtl.c: Fix formatting.kazu2002-01-101-4/+4
| | | | | | | | | | | | | * real.c: Likewise. * regclass.c: Likewise. * regrename.c: Likewise. * reg-stack.c: Likewise. * reload1.c: Likewise. * reload.c: Likewise. * rtl.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48704 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (c4xtoe, toc4x): Do some special conversion on long doublesrth2002-01-091-72/+73
| | | | | | | for the c4x target. Also improve layout. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48688 138bc75d-0d04-0410-961f-82ee72b054a4
* * real.c (GET_REAL, PUT_REAL): Don't cast away const-ness.ghazi2002-01-021-191/+224
| | | | | | | | | | | | | | | | | | (ezero, ehalf, eone, etwo, e32, elog2, esqrt2, epi): Const-ify. Add array size in declaration. (endian, emov, eisneg, eisinf, eisnan, eiisnan, eiisneg, emovi, emovo, emovz, eiisinf, ecmpm, eaddm, esubm, m16m, edivm, emulm, esub, eadd, eadd1, ediv, emul, e53toe, e64toe, e113toe, e24toe, etoe113, etoe64, etoe53, etoe24, ecmp, eround, ltoe, ultoe, eifrac, euifrac, e24toasc, e53toasc, e64toasc, e113toasc, etoasc, efloor, efrexp, eldexp, eremain, dectoe, etodec, ibmtoe, etoibm, c4xtoe, etoc4x, uditoe, ditoe, etoudi, etodi, esqrt, etens, emtens, make_nan): Const-ify. (TFbignan, TFlittlenan, XFbignan, XFlittlenan, DFbignan, DFlittlenan, SFbignan, SFlittlenan): Make static and const-ify. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48484 138bc75d-0d04-0410-961f-82ee72b054a4