r137782 - in /branches/cell-4_3-branch/gcc: bui...

[pinskia@gcc.gnu.org]

Author: pinskia
Date: Mon Jul 14 10:09:13 2008
New Revision: 137782

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=137782
Log:
2007-09-06  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>

       * doc/tm.texi (DENORM_OPERANDS_ARE_ZERO, DENORM_RESULTS_ARE_ZERO,
       ZERO_RESULTS_ARE_POSITVE, REAL_CONVERT_AS_IEEE): Document new macros.
       (ROUND_TOWARDS_ZERO): Document new mode argument.
       * flags.h (HONOR_NONIEEE_DENORMS): Define.
       * defaults.h (ROUND_TOWARDS_ZERO): Add size argument.
       (MODE_HAS_SIGN_DEPENDENT_ROUNDING): Pass size to ROUND_TOWARDS_ZERO.
       (DENORM_OPERANDS_ARE_ZERO, DENORM_RESULTS_ARE_ZERO,
       ZERO_RESULTS_ARE_POSITVE, REAL_CONVERT_AS_IEEE): Define.
       * fold-const.c (const_binop): Call real_arithmetic_fold.
       (fold_relational_const): Call real_compare_fold.
       (fold_convert_const_real_from_real): Call real_convert_fold.
       (fold_real_zero_addition_p): Return false when HONOR_NONIEEE_DENORMS
       is true.
       (fold_binary): Don't allow certain optimizations when
       HONOR_NONIEEE_DENORMS is true.
       * real.c (real_is_denorm, real_convert_ieee, real_arithmetic_fold,
       real_compare_fold, real_convert_fold): Define.
       (round_for_format): Handle round_towards_zero field.
       (ieee_single_format, mips_single_format, motorola_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, decimal_single_format,
       decimal_double_format, decimal_quad_format, c4x_single_format,
       c4x_extended_format, real_internal_format): Initialize
       round_towards_zero field.
       (spu_extended_format): Define new real format.
       * real.h (real_format): Add round_towards_zero field.
       (real_arithmetic_fold, real_compare_fold, real_convert_fold,
       spu_extended_format): Declare.
       * simplify-rtx.c (simplify_const_unary_operation): Call
       real_convert_fold for FLOAT_EXTEND when REAL_CONVERT_AS_IEEE is
       true.
       (simplify_binary_operation_1): Don't allow certain optimizations when
       HONOR_NONIEEE_DENORMS is true.
       (simplify_const_binary_operation): Call real_arithmetic_fold.
       (simplify_const_relational_operation): Call real_compare_fold.
       * c-common.c (c_common_truthvalue_conversion): Call real_compare_fold.
       * config/spu/spu.c (spu_override_options):  Initialize
       REAL_MODE_FORMAT for SFmode.
       * config/spu/spu.h (ROUND_TOWARDS_ZERO, DENORM_OPERANDS_ARE_ZERO,
       DENORM_RESULTS_ARE_ZERO, ZERO_RESULTS_ARE_POSITVE,
       REAL_CONVERT_AS_IEEE, LARGEST_EXPONENT_IS_NORMAL): Define.
       (MODE_HAS_NANS, MODE_HAS_INFINITIES,
       MODE_HAS_SIGN_DEPENDENT_ROUNDING): Delete.
       * config/fp-bit.h (FLO_mode): Define.
       * config/fp-bit.c: Include insn-modes.h.
       (pack_d, _fpmul_parts, _fpdiv_parts): Pass FLO_mode as argument to
       ROUND_TOWARDS_ZERO.

in gcc/testsuite/

2007-09-06  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
       * gcc.c-torture/execute/ieee/fold.c: Add.


Added:
    branches/cell-4_3-branch/gcc/testsuite/gcc.c-torture/execute/ieee/fold.c
Modified:
    branches/cell-4_3-branch/gcc/builtins.c
    branches/cell-4_3-branch/gcc/c-common.c
    branches/cell-4_3-branch/gcc/config/fp-bit.c
    branches/cell-4_3-branch/gcc/config/fp-bit.h
    branches/cell-4_3-branch/gcc/config/spu/spu.c
    branches/cell-4_3-branch/gcc/config/spu/spu.h
    branches/cell-4_3-branch/gcc/defaults.h
    branches/cell-4_3-branch/gcc/doc/tm.texi
    branches/cell-4_3-branch/gcc/flags.h
    branches/cell-4_3-branch/gcc/fold-const.c
    branches/cell-4_3-branch/gcc/real.c
    branches/cell-4_3-branch/gcc/real.h
    branches/cell-4_3-branch/gcc/simplify-rtx.c