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PR c/39035
* real.c (do_compare): Special-case compare of zero against
decimal float value.
* gcc.dg/dfp/pr39035.c: New test.
From-SVN: r143992
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gcc/
PR c/34252
* ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
* real.c (decimal_single_format): Correct values of emin and emax.
(decimal_double_format): Ditto.
(decimal_quad_format): Ditto.
* c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
computation of DECnn_MIN and DECnn_MAX for corrected values of
emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
__DECnn_MIN__, and adjust its computation for the corrected value
of emin.
gcc/testsuite/
PR c/34252
* gcc.dg/dfp/decfloat-constants.c: Check for DECnn_SUBNORMAL_MIN
instead of DECnn_DEN. Support -DDBG to list lines that fail.
From-SVN: r143128
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result stored to a double)
PR middle-end/36578
* convert.c (convert_to_real): Do not optimize conversions of
binary arithmetic operations between binary and decimal
floating-point types. Consider mode of target type in determining
decimal type for arithmetic. Unless
flag_unsafe_math_optimizations, do not optimize binary conversions
where this may change rounding behavior.
* real.c (real_can_shorten_arithmetic): New.
* real.h (real_can_shorten_arithmetic): Declare.
testsuite:
* gcc.dg/dfp/convert-bfp-13.c, gcc.dg/dfp/convert-bfp-14.c,
gcc.dg/dfp/convert-dfp-fold-2.c, gcc.target/i386/pr36578-1.c,
gcc.target/i386/pr36578-2.c: New tests.
From-SVN: r141432
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on powerpc-*)
PR target/36332
* real.c (real_maxval): Clear a lower bit to make real_maxval
match get_max_float for IBM long double format.
* gcc.c-torture/execute/ieee/pr36332.c: New test.
From-SVN: r139906
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2008-08-18 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
* real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
dconst_third_ptr, dconst_sqrt2_ptr): Declare.
(enum real_value_const): Delete.
(get_real_const): Delete.
* real.c (get_real_const): Delete.
(dconst_e_ptr): Define.
(dconst_third_ptr): Define.
(dconst_sqrt2_ptr): Define.
* builtins.c: Update all callers.
From-SVN: r139202
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* real.h (struct real_format): New member has_sign_dependent_rounding.
* real.c (ieee_single_format, mips_single_format, motorola_single_format,
spu_single_format, ieee_double_format, mips_double_format,
motorola_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): Initialize it.
* config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
* defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
* config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
(ROUND_TOWARDS_ZERO): Likewise.
* real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
(FLOAT_MODE_FORMAT): New macro.
(REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
(MODE_COMPOSITE_P): ... this new macro.
(MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
* machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.
* flags.h: Include "real.h".
* fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
REAL_MODE_FORMAT_COMPOSITE_P.
* simplify-rtx.c (simplify_const_binary_operation): Likewise.
* doc/tm.texi (Storage Layout): Remove documentation of
MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
MODE_HAS_SIGN_DEPENDENT_ROUNDING. Update documentation of
ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
they only apply to libgcc2.a.
From-SVN: r139016
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ChangeLog:
* real.h (struct real_format): New member round_towards_zero.
* real.c (round_for_format): Respect fmt->round_towards_zero.
(ieee_single_format, mips_single_format, motorola_single_format,
spu_single_format, ieee_double_format, mips_double_format,
motorola_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): Initialize it.
* config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
* builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
real_format to choose rounding mode when calling MPFR functions.
(do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
(do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.
* real.h (real_to_decimal_for_mode): Add prototype.
* real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
Respect target rounding mode when generating decimal representation.
(real_to_decimal): New stub for backwards compatibility.
* c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
real_to_decimal_for_mode instead of real_to_decimal.
* config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.
testsuite/ChangeLog:
* gcc.c-torture/execute/20031003-1.c (main): Update test to
accommodate SPU single-precision rounding mode.
* gcc.c-torture/execute/conversion.c (test_float_to_integer,
test_float_to_longlong_integer): Likewise.
* gcc.c-torture/execute/ieee/rbug.c (main): Likewise.
* gcc.dg/hex-round-1.c: Skip test on SPU.
* gcc.dg/hex-round-2.c: Likewise.
Co-Authored-By: Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
From-SVN: r139014
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ChangeLog:
* real.c (spu_single_format): New variable.
* real.h (spu_single_format): Declare.
* config/spu/spu.c (spu_override_options): Install SFmode format.
(spu_split_immediate): Use integer mode to operate on pieces of
floating-point values in all cases.
* config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.
testsuite/ChangeLog:
* gcc.c-torture/execute/ieee/inf-2.c (testf): Skip on the SPU.
Co-Authored-By: Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
From-SVN: r139013
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* dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
real.c: Remove references to IEEE 754R.
* doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
* doc/libgcc.texi (Decimal float library routines): Likewise.
From-SVN: r136933
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gcc/
* cgraph.c: Fix typos in comments.
(cgraph_availability_names): Fix string typo.
* fold-const.c: Fix typos in comments.
(fold_binary): Fix typo in warning.
* genautomata.c: Fix typos in comments.
(check_presence_pattern_sets): Fix typo in local variable.
(output_description): Fix typo in output.
* ggc-zone.c (ggc_pch_finish): Fix typo in error message.
* hwint.h: Likewise.
* matrix-reorg.c (check_allocation_function): Likewise.
* omega.c (smooth_weird_equations): Likewise.
* auto-inc-dec.c: Fix typos in comments.
* bb-reorder.c: Likewise.
* builtins.c: Likewise.
* c-common.c: Likewise.
* c-cppbuiltin.c: Likewise.
* c-parser.c: Likewise.
* c-pretty-print.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgexpand.c: Likewise.
* cfghooks.c: Likewise.
* cfglayout.c: Likewise.
* cfgloopmanip.c: Likewise.
* cgraphunit.c: Likewise.
* coverage.c: Likewise.
* dbxout.c: Likewise.
* df-byte-scan.c: Likewise.
* df-core.c: Likewise.
* df-problems.c: Likewise.
* df-scan.c: Likewise.
* dfp.c: Likewise.
* dominance.c: Likewise.
* domwalk.c: Likewise.
* dse.c: Likewise.
* dwarf2out.c: Likewise.
* emit-rtl.c: Likewise.
* et-forest.c: Likewise.
* function.c: Likewise.
* function.h: Likewise.
* gcc.c: Likewise.
* gcov-io.c: Likewise.
* gcov.c: Likewise.
* gcse.c: Likewise.
* genattrtab.c: Likewise.
* ggc-page.c: Likewise.
* gimplify.c: Likewise.
* gthr-lynx.h: Likewise.
* haifa-sched.c: Likewise.
* ipa-cp.c: Likewise.
* ipa-inline.c: Likewise.
* ipa-prop.h: Likewise.
* ipa-pure-const.c: Likewise.
* ipa-struct-reorg.c: Likewise.
* ipa-struct-reorg.h: Likewise.
* ipa-type-escape.c: Likewise.
* ipa.c: Likewise.
* loop-doloop.c: Likewise.
* mips-tfile.c: Likewise.
* mkmap-flat.awk: Likewise.
* mkmap-symver.awk: Likewise.
* modulo-sched.c: Likewise.
* omp-low.c: Likewise.
* optabs.c: Likewise.
* optabs.h: Likewise.
* opts.c: Likewise.
* passes.c: Likewise.
* postreload-gcse.c: Likewise.
* postreload.c: Likewise.
* predict.c: Likewise.
* pretty-print.h: Likewise.
* profile.c: Likewise.
* protoize.c: Likewise.
* ra-conflict.c: Likewise.
* real.c: Likewise.
* recog.c: Likewise.
* regclass.c: Likewise.
* regs.h: Likewise.
* reload.c: Likewise.
* rtl-error.c: Likewise.
* rtlanal.c: Likewise.
* scan.h: Likewise.
* sched-rgn.c: Likewise.
* see.c: Likewise.
* stmt.c: Likewise.
* target.h: Likewise.
* tree-dfa.c: Likewise.
* tree-eh.c: Likewise.
* tree-flow-inline.h: Likewise.
* tree-inline.c: Likewise.
* tree-into-ssa.c: Likewise.
* tree-loop-distribution.c: Likewise.
* tree-nested.c: Likewise.
* tree-parloops.c: Likewise.
* tree-pass.h: Likewise.
* tree-pretty-print.c: Likewise.
* tree-profile.c: Likewise.
* tree-scalar-evolution.c: Likewise.
* tree-sra.c: Likewise.
* tree-ssa-alias-warnings.c: Likewise.
* tree-ssa-ccp.c: Likewise.
* tree-ssa-coalesce.c: Likewise.
* tree-ssa-dom.c: Likewise.
* tree-ssa-dse.c: Likewise.
* tree-ssa-forwprop.c: Likewise.
* tree-ssa-live.c: Likewise.
* tree-ssa-live.h: Likewise.
* tree-ssa-loop-im.c: Likewise.
* tree-ssa-loop-ivopts.c: Likewise.
* tree-ssa-loop-niter.c: Likewise.
* tree-ssa-loop-prefetch.c: Likewise.
* tree-ssa-phiopt.c: Likewise.
* tree-ssa-phiprop.c: Likewise.
* tree-ssa-sccvn.c: Likewise.
* tree-ssa-ter.c: Likewise.
* tree-ssa-threadupdate.c: Likewise.
* tree-ssa.c: Likewise.
* tree-vect-analyze.c: Likewise.
* tree-vect-transform.c: Likewise.
* tree-vectorizer.c: Likewise.
* tree-vn.c: Likewise.
* tree-vrp.c: Likewise.
* tree.c: Likewise.
* tree.def: Likewise.
* tree.h: Likewise.
* unwind-dw2-fde.c: Likewise.
* unwind.inc: Likewise.
* value-prof.c: Likewise.
* vmsdbgout.c: Likewise.
From-SVN: r136425
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2008-05-16 Doug Kwan <dougkwan@google.com>
* real.c (real_to_decimal, real_to_hexadecimal): Distinguish
QNaN & SNaN.
(real_from_string): Handle NaNs and Inf as approriate.
From-SVN: r135421
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dconstthird, dconste and/or dconst10.
* builtins.c (expand_builtin_pow, fold_builtin_cabs,
fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
dconstsqrt2, dconstthird, dconste and/or dconst10.
* config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
* emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
dconstsqrt2, dconste): Delete.
(init_emit_once): Likewise. Simplify initializing dconstm1.
Constify variable.
* real.c (get_real_const): New.
* real.h (dconst3, dconst10, dconstm2, dconstthird,
dconstsqrt2, dconste): Delete.
(real_value_const, get_real_const): New.
From-SVN: r133607
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* MAINTAINERS (c4x port): Remove.
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.
From-SVN: r131835
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gcc/ada/
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.
From-SVN: r128247
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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.
From-SVN: r128193
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provides sufficient accuracy...
gcc/
* 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.
From-SVN: r128156
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License and to point readers at the COPYING3 file and the FSF's license web page.
From-SVN: r126948
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fpclassify functions)
PR target/30652
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.
From-SVN: r126724
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* real.c (real_isfinite): New.
(real_sqrt): Use it.
* real.h (real_isfinite): New.
* builtins.c: Use it.
From-SVN: r125654
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* config/m68k/m68k.c (override_options): Don't override
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.
From-SVN: r125295
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2007-05-26 Tobias Burnus <burnus@net-b.de>
PR fortran/32083
* real.c (mpfr_from_real): Fix sign of -Inf.
2007-05-26 Tobias Burnus <burnus@net-b.de>
PR fortran/32083
* gfortran.dg/transfer_simplify_3.f90: New.
From-SVN: r125108
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2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>
* 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.
From-SVN: r124901
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be specified by the caller.
* real.c (mpfr_from_real): Handle Inf and NaN, and allow the
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.
From-SVN: r124139
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that overflows with option -Wextra)
2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
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.
From-SVN: r123137
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gcc/
* 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.
From-SVN: r120922
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2006-12-18 Roger Sayle <roger@eyesopen.com>
Eric Christopher <echristo@apple.com>
PR target/29302
* real.c (real_maxval): Correctly handle IBM extended double format.
Co-Authored-By: Eric Christopher <echristo@apple.com>
From-SVN: r120040
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2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
* real.h (real_isinteger): Declare.
* real.c (real_isinteger): Define.
* builtins.c (integer_valued_real_p): Use it.
From-SVN: r119130
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2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/29862
* real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
From-SVN: r118881
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* config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
comment typos.
From-SVN: r118133
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should be resolved at compile-time)
PR middle-end/29335
* 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.
From-SVN: r117983
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PR middle-end/21781
* real.c (real_from_string): If the mantissa is zero, don't bother
parsing the exponent as the result should always be zero.
* gcc.dg/real-const-1.c: New test case.
From-SVN: r112136
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PR middle-end/19983
* real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
* gcc.c-torture/execute/ieee/builtin-nan-1.c: New test case.
From-SVN: r111470
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From-SVN: r108622
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From-SVN: r107865
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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
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PR 23941
* real.c (exact_real_truncate): Return false if the format cannot
represent the number as a normal.
From-SVN: r104424
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PR c/21720
* real.c (real_from_string): Also set last bit if there is a
nonzero hex digit beyond GCC's internal precision after ".".
testsuite:
* gcc.dg/hex-round-1.c: Test more cases.
* gcc.dg/hex-round-2.c: New test.
From-SVN: r102567
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PR c/21720
* real.c (real_from_string): Set last bit if there is a nonzero
hex digit beyond GCC's internal precision.
testsuite:
* gcc.dg/hex-round-1.c: New test.
From-SVN: r102539
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From-SVN: r101317
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|
single and extended floating point formats.
* real.c (c4x_single_format, c4x_extended_format): Provide values
for signbit_ro for c4x's single and extended floating point formats.
* optabs.c (expand_copysign): Use the floating point format's
signbit_ro for expanding via expand_copysign_absneg, and it's
signbit_rw field for expanding via expand_copysign_bit.
Co-Authored-By: Richard Henderson <rth@redhat.com>
From-SVN: r96530
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signbit_ro and signbit_rw.
* real.h (struct real_format): Split the signbit field into two
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.
From-SVN: r96471
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From-SVN: r96169
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* real.c (do_add): Initialize signalling and canonical members.
* real.c (real_from_integer): Zero out destination.
From-SVN: r94228
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operations when different rounding mode.)
PR rtl-optimization/576
* 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.
From-SVN: r94020
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VOIDMode...
* real.c (real_floor): Don't leave the result uninitialized when
mode is VOIDMode, but return the unrounded intermediate value.
(real_ceil): Likewise.
From-SVN: r93988
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From-SVN: r91964
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of abort.
* ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
live_out_1, prune_hardregs_for_mode, init_one_web_common,
reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
record_conflict, compare_and_free_webs, init_webs_defs_uses,
parts_to_webs_1, parts_to_webs, reset_conflicts,
check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
* ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
put_move, remove_move, combine, select_spill, colorize_one_web,
try_recolor_web, insert_coalesced_conflicts, check_colors,
break_precolored_alias, restore_conflicts_from_coalesce,
sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
* ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
reloads_to_loads, rewrite_program2, emit_colors): Likewise.
* ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
check_df): Likewise.
* real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
real_arithmetic, real_compare, real_exponent, real_ldexp,
real_identical, real_to_integer, real_to_integer2, real_to_decimal,
real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
real_digit, real_nan, real_maxval, round_for_format, real_convert,
real_to_target, real_from_target, real_hash, 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): Likewise.
* recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
extract_insn, peep2_next_insn, peep2_reg_dead_p,
peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
if_test_bypass_p): Likewise.
* reg-stack.c (record_label_references, get_asm_operand_n_inputs,
stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
emit_swap_insn, swap_to_top, move_for_stack_reg,
subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
compensate_edge, convert_regs_1): Likewise.
* regclass.c (init_reg_sets, init_reg_sets_1,
memory_move_secondary_cost): Likewise.
* regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
Likewise.
* reload.c (push_secondary_reload, find_valid_class, push_reload,
operands_match_p, decompose, immune_p, find_reloads,
find_reloads_toplev, find_reloads_address_1, subst_reloads,
copy_replacements, refers_to_regno_for_reload_p,
reg_overlap_mentioned_for_reload_p): Likewise.
* reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
do_output_reload, fixup_abnormal_edges): Likewise.
* reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
fill_slots_from_thread, relax_delay_slots): Likewise.
* resource.c (mark_referenced_resources, mark_set_resources):
Likewise.
* rtl.c (copy_rtx, rtx_equal_p): Likewise.
* rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
* rtlhooks.c (gen_lowpart_general): Likewise.
* sbitmap.c (sbitmap_difference): Likewise.
* sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
sched_analyze, add_forward_dependence): Likewise.
* sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
* sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
schedule_insns): Likewise.
* sched-vis.c (print_pattern): Likewise.
* sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
* simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
simplify_const_relational_operation, simplify_ternary_operation,
simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
Likewise.
* sreal.c (copy, sreal_sub, sreal_div): Likewise.
* stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
resolve_operand_name_1, expand_return, expand_decl,
expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
* stor-layout.c (put_pending_size, smallest_mode_for_size,
int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
set_sizetype, get_mode_bounds): Likewise.
From-SVN: r87244
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* c-common.c: Rename all identifiers named `class' to `cl'.
* 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.
From-SVN: r85153
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Bug 14610
* Makefile.in (min-insn-modes.o): Correct dependencies.
* real.c (encode_ieee_extended, decode_ieee_extended): Always
produce/consume 12-byte little-endian Intel format.
(encode_ieee_extended_128, decode_ieee_extended_128): Delete.
(encode_ieee_extended_motorola, decode_ieee_extended_motorola)
(encode_ieee_extended_intel_96, decode_ieee_extended_intel_96)
(encode_ieee_extended_intel_128, decode_ieee_extended_intel_128):
New functions which convert between 12-byte little-endian Intel
format and the desired format.
(ieee_extended_motorola_format, ieee_extended_intel_96_round_53_format)
(ieee_extended_intel_96_format, ieee_extended_intel_128_format):
Update.
testsuite:
* gcc.dg/ia64-float80-1.c, gcc.dg/ia64-float80-2.c: New testcases.
From-SVN: r83295
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From-SVN: r83133
|
