rtl.texi (Machine Modes): Document QQ...
* doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes. Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM. Document GET_MODE_IBIT, and GET_MODE_FBIT. * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM. (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P, SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P, SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P, ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P, ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P, SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P, ALL_FIXED_POINT_MODE_P): New define. (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM. (GET_MODE_IBIT, GET_MODE_FBIT): New define. * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM): New mode classes. * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT. Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTA. * genmodes.c (struct mode_data): Add ibit and fbit fields. (blank_mode): Initialize ibit and fbit. (adj_ibit, adj_fbit): New to adjust ibit and fbit. (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM. (new_adjust): Change required_class to required_class_from and required_class_to for testing within a range. (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM. (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define. (make_fixed_point_mode): New. (_ADD_ADJUST): Change C to C1 and C2. (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to use a range for machine classes. (ADJUST_IBIT, ADJUST_FBIT): New. (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and CONST_MODE_FBIT. (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM. Emit adjustment for ibit and fbit. (emit_mode_ibit, emit_mode_fbit): New. (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit. From-SVN: r126007
This commit is contained in:
Chao-ying Fu
Chao-ying Fu
parent
b46ce77fe8
commit
1699ec0b95
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@ -1,3 +1,55 @@
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2007-06-25 Chao-ying Fu <fu@mips.com>
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* doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
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UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
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Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
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Document GET_MODE_IBIT, and GET_MODE_FBIT.
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* machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
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MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
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(SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
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SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
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SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
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ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
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ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
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SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
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ALL_FIXED_POINT_MODE_P): New define.
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(CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
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MODE_UACCUM.
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(GET_MODE_IBIT, GET_MODE_FBIT): New define.
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* mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
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MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
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MODE_VECTOR_UACCUM): New mode classes.
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* machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
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UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
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Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
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USA, UDA, and UTA.
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* genmodes.c (struct mode_data): Add ibit and fbit fields.
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(blank_mode): Initialize ibit and fbit.
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(adj_ibit, adj_fbit): New to adjust ibit and fbit.
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(vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
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(new_adjust): Change required_class to required_class_from and
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required_class_to for testing within a range.
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(complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
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MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
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MODE_VECTOR_UACCUM.
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(FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
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(make_fixed_point_mode): New.
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(_ADD_ADJUST): Change C to C1 and C2.
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(ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
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use a range for machine classes.
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(ADJUST_IBIT, ADJUST_FBIT): New.
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(emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
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CONST_MODE_FBIT.
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(emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
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MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
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Emit adjustment for ibit and fbit.
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(emit_mode_ibit, emit_mode_fbit): New.
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(emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
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2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
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* config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
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118
gcc/doc/rtl.texi
118
gcc/doc/rtl.texi
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@ -1135,6 +1135,96 @@ floating point number all 128 of whose bits are meaningful.
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all 128 of whose bits are meaningful. One common use is the
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IEEE quad-precision format.
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@findex QQmode
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@item QQmode
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``Quarter-Fractional'' mode represents a single byte treated as a signed
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fractional number. The default format is ``s.7''.
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@findex HQmode
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@item HQmode
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``Half-Fractional'' mode represents a two-byte signed fractional number.
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The default format is ``s.15''.
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@findex SQmode
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@item SQmode
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``Single Fractional'' mode represents a four-byte signed fractional number.
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The default format is ``s.31''.
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@findex DQmode
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@item DQmode
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``Double Fractional'' mode represents an eight-byte signed fractional number.
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The default format is ``s.63''.
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@findex TQmode
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@item TQmode
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``Tetra Fractional'' mode represents a sixteen-byte signed fractional number.
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The default format is ``s.127''.
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@findex UQQmode
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@item UQQmode
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``Unsigned Quarter-Fractional'' mode represents a single byte treated as an
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unsigned fractional number. The default format is ``.8''.
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@findex UHQmode
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@item UHQmode
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``Unsigned Half-Fractional'' mode represents a two-byte unsigned fractional
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number. The default format is ``.16''.
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@findex USQmode
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@item USQmode
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``Unsigned Single Fractional'' mode represents a four-byte unsigned fractional
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number. The default format is ``.32''.
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@findex UDQmode
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@item UDQmode
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``Unsigned Double Fractional'' mode represents an eight-byte unsigned
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fractional number. The default format is ``.64''.
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@findex UTQmode
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@item UTQmode
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``Unsigned Tetra Fractional'' mode represents a sixteen-byte unsigned
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fractional number. The default format is ``.128''.
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@findex HAmode
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@item HAmode
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``Half-Accumulator'' mode represents a two-byte signed accumulator.
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The default format is ``s8.7''.
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@findex SAmode
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@item SAmode
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``Single Accumulator'' mode represents a four-byte signed accumulator.
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The default format is ``s16.15''.
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@findex DAmode
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@item DAmode
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``Double Accumulator'' mode represents an eight-byte signed accumulator.
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The default format is ``s32.31''.
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@findex TAmode
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@item TAmode
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``Tetra Accumulator'' mode represents a sixteen-byte signed accumulator.
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The default format is ``s64.63''.
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@findex UHAmode
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@item UHAmode
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``Unsigned Half-Accumulator'' mode represents a two-byte unsigned accumulator.
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The default format is ``8.8''.
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@findex USAmode
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@item USAmode
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``Unsigned Single Accumulator'' mode represents a four-byte unsigned
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accumulator. The default format is ``16.16''.
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@findex UDAmode
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@item UDAmode
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``Unsigned Double Accumulator'' mode represents an eight-byte unsigned
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accumulator. The default format is ``32.32''.
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@findex UTAmode
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@item UTAmode
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``Unsigned Tetra Accumulator'' mode represents a sixteen-byte unsigned
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accumulator. The default format is ``64.64''.
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@findex CCmode
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@item CCmode
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``Condition Code'' mode represents the value of a condition code, which
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@ -1226,6 +1316,26 @@ Floating point modes. By default these are @code{QFmode},
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Decimal floating point modes. By default these are @code{SDmode},
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@code{DDmode} and @code{TDmode}.
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@findex MODE_FRACT
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@item MODE_FRACT
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Signed fractional modes. By default these are @code{QQmode}, @code{HQmode},
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@code{SQmode}, @code{DQmode} and @code{TQmode}.
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@findex MODE_UFRACT
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@item MODE_UFRACT
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Unsigned fractional modes. By default these are @code{UQQmode}, @code{UHQmode},
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@code{USQmode}, @code{UDQmode} and @code{UTQmode}.
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@findex MODE_ACCUM
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@item MODE_ACCUM
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Signed accumulator modes. By default these are @code{HAmode},
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@code{SAmode}, @code{DAmode} and @code{TAmode}.
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@findex MODE_UACCUM
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@item MODE_UACCUM
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Unsigned accumulator modes. By default these are @code{UHAmode},
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@code{USAmode}, @code{UDAmode} and @code{UTAmode}.
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@findex MODE_COMPLEX_INT
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@item MODE_COMPLEX_INT
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Complex integer modes. (These are not currently implemented).
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@ -1293,6 +1403,14 @@ Returns the size in bytes of a datum of mode @var{m}.
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@item GET_MODE_BITSIZE (@var{m})
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Returns the size in bits of a datum of mode @var{m}.
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@findex GET_MODE_IBIT
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@item GET_MODE_IBIT (@var{m})
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Returns the number of integral bits of a datum of fixed-point mode @var{m}.
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@findex GET_MODE_FBIT
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@item GET_MODE_FBIT (@var{m})
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Returns the number of fractional bits of a datum of fixed-point mode @var{m}.
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@findex GET_MODE_MASK
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@item GET_MODE_MASK (@var{m})
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Returns a bitmask containing 1 for all bits in a word that fit within
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138
gcc/genmodes.c
138
gcc/genmodes.c
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@ -73,6 +73,8 @@ struct mode_data
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const char *file; /* file and line of definition, */
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unsigned int line; /* for error reporting */
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unsigned int counter; /* Rank ordering of modes */
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unsigned int ibit; /* the number of integral bits */
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unsigned int fbit; /* the number of fractional bits */
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};
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static struct mode_data *modes[MAX_MODE_CLASS];
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@ -83,7 +85,7 @@ static const struct mode_data blank_mode = {
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0, "<unknown>", MAX_MODE_CLASS,
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-1U, -1U, -1U, -1U,
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0, 0, 0, 0, 0, 0,
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"<unknown>", 0, 0
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"<unknown>", 0, 0, 0, 0
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};
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static htab_t modes_by_name;
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@ -104,6 +106,8 @@ struct mode_adjust
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static struct mode_adjust *adj_bytesize;
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static struct mode_adjust *adj_alignment;
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static struct mode_adjust *adj_format;
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static struct mode_adjust *adj_ibit;
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static struct mode_adjust *adj_fbit;
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/* Mode class operations. */
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static enum mode_class
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@ -126,6 +130,10 @@ vector_class (enum mode_class cl)
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{
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case MODE_INT: return MODE_VECTOR_INT;
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case MODE_FLOAT: return MODE_VECTOR_FLOAT;
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case MODE_FRACT: return MODE_VECTOR_FRACT;
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case MODE_UFRACT: return MODE_VECTOR_UFRACT;
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case MODE_ACCUM: return MODE_VECTOR_ACCUM;
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case MODE_UACCUM: return MODE_VECTOR_UACCUM;
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default:
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error ("no vector class for class %s", mode_class_names[cl]);
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return MODE_RANDOM;
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@ -200,7 +208,8 @@ static void ATTRIBUTE_UNUSED
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new_adjust (const char *name,
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struct mode_adjust **category, const char *catname,
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const char *adjustment,
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enum mode_class required_class,
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enum mode_class required_class_from,
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enum mode_class required_class_to,
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const char *file, unsigned int line)
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{
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struct mode_data *mode = find_mode (name);
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@ -214,10 +223,12 @@ new_adjust (const char *name,
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return;
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}
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if (required_class != MODE_RANDOM && mode->cl != required_class)
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if (required_class_from != MODE_RANDOM
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&& (mode->cl < required_class_from || mode->cl > required_class_to))
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{
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error ("%s:%d: mode \"%s\" is not class %s",
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file, line, name, mode_class_names[required_class] + 5);
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error ("%s:%d: mode \"%s\" is not among class {%s, %s}",
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file, line, name, mode_class_names[required_class_from] + 5,
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mode_class_names[required_class_to] + 5);
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return;
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}
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@ -327,11 +338,16 @@ complete_mode (struct mode_data *m)
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case MODE_INT:
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case MODE_FLOAT:
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case MODE_DECIMAL_FLOAT:
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case MODE_FRACT:
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case MODE_UFRACT:
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case MODE_ACCUM:
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case MODE_UACCUM:
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/* A scalar mode must have a byte size, may have a bit size,
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and must not have components. A float mode must have a
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format. */
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validate_mode (m, OPTIONAL, SET, UNSET, UNSET,
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m->cl != MODE_INT ? SET : UNSET);
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(m->cl == MODE_FLOAT || m->cl == MODE_DECIMAL_FLOAT)
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? SET : UNSET);
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m->ncomponents = 1;
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m->component = 0;
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@ -361,6 +377,10 @@ complete_mode (struct mode_data *m)
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case MODE_VECTOR_INT:
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case MODE_VECTOR_FLOAT:
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case MODE_VECTOR_FRACT:
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case MODE_VECTOR_UFRACT:
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case MODE_VECTOR_ACCUM:
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case MODE_VECTOR_UACCUM:
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/* Vector modes should have a component and a number of components. */
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validate_mode (m, UNSET, UNSET, SET, SET, UNSET);
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if (m->component->precision != (unsigned int)-1)
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@ -533,6 +553,35 @@ make_int_mode (const char *name,
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m->precision = precision;
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}
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#define FRACT_MODE(N, Y, F) \
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make_fixed_point_mode (MODE_FRACT, #N, Y, 0, F, __FILE__, __LINE__)
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#define UFRACT_MODE(N, Y, F) \
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make_fixed_point_mode (MODE_UFRACT, #N, Y, 0, F, __FILE__, __LINE__)
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#define ACCUM_MODE(N, Y, I, F) \
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make_fixed_point_mode (MODE_ACCUM, #N, Y, I, F, __FILE__, __LINE__)
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#define UACCUM_MODE(N, Y, I, F) \
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make_fixed_point_mode (MODE_UACCUM, #N, Y, I, F, __FILE__, __LINE__)
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/* Create a fixed-point mode by setting CL, NAME, BYTESIZE, IBIT, FBIT,
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FILE, and LINE. */
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static void
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make_fixed_point_mode (enum mode_class cl,
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const char *name,
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unsigned int bytesize,
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unsigned int ibit,
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unsigned int fbit,
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const char *file, unsigned int line)
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{
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struct mode_data *m = new_mode (cl, name, file, line);
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m->bytesize = bytesize;
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m->ibit = ibit;
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m->fbit = fbit;
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}
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#define FLOAT_MODE(N, Y, F) FRACTIONAL_FLOAT_MODE (N, -1U, Y, F)
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#define FRACTIONAL_FLOAT_MODE(N, B, Y, F) \
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make_float_mode (#N, B, Y, #F, __FILE__, __LINE__)
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@ -658,12 +707,14 @@ make_vector_mode (enum mode_class bclass,
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}
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/* Adjustability. */
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#define _ADD_ADJUST(A, M, X, C) \
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new_adjust (#M, &adj_##A, #A, #X, MODE_##C, __FILE__, __LINE__)
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#define _ADD_ADJUST(A, M, X, C1, C2) \
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new_adjust (#M, &adj_##A, #A, #X, MODE_##C1, MODE_##C2, __FILE__, __LINE__)
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#define ADJUST_BYTESIZE(M, X) _ADD_ADJUST(bytesize, M, X, RANDOM)
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#define ADJUST_ALIGNMENT(M, X) _ADD_ADJUST(alignment, M, X, RANDOM)
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#define ADJUST_FLOAT_FORMAT(M, X) _ADD_ADJUST(format, M, X, FLOAT)
|
||||
#define ADJUST_BYTESIZE(M, X) _ADD_ADJUST(bytesize, M, X, RANDOM, RANDOM)
|
||||
#define ADJUST_ALIGNMENT(M, X) _ADD_ADJUST(alignment, M, X, RANDOM, RANDOM)
|
||||
#define ADJUST_FLOAT_FORMAT(M, X) _ADD_ADJUST(format, M, X, FLOAT, FLOAT)
|
||||
#define ADJUST_IBIT(M, X) _ADD_ADJUST(ibit, M, X, ACCUM, UACCUM)
|
||||
#define ADJUST_FBIT(M, X) _ADD_ADJUST(fbit, M, X, FRACT, UACCUM)
|
||||
|
||||
static void
|
||||
create_modes (void)
|
||||
|
|
@ -861,6 +912,8 @@ enum machine_mode\n{");
|
|||
#if 0 /* disabled for backward compatibility, temporary */
|
||||
printf ("#define CONST_REAL_FORMAT_FOR_MODE%s\n", adj_format ? "" :" const");
|
||||
#endif
|
||||
printf ("#define CONST_MODE_IBIT%s\n", adj_ibit ? "" : " const");
|
||||
printf ("#define CONST_MODE_FBIT%s\n", adj_fbit ? "" : " const");
|
||||
puts ("\
|
||||
\n\
|
||||
#endif /* insn-modes.h */");
|
||||
|
|
@ -1173,6 +1226,10 @@ emit_mode_adjustments (void)
|
|||
|
||||
case MODE_VECTOR_INT:
|
||||
case MODE_VECTOR_FLOAT:
|
||||
case MODE_VECTOR_FRACT:
|
||||
case MODE_VECTOR_UFRACT:
|
||||
case MODE_VECTOR_ACCUM:
|
||||
case MODE_VECTOR_UACCUM:
|
||||
printf (" mode_size[%smode] = %d*s;\n",
|
||||
m->name, m->ncomponents);
|
||||
printf (" mode_base_align[%smode] = (%d*s) & (~(%d*s)+1);\n",
|
||||
|
|
@ -1207,6 +1264,10 @@ emit_mode_adjustments (void)
|
|||
|
||||
case MODE_VECTOR_INT:
|
||||
case MODE_VECTOR_FLOAT:
|
||||
case MODE_VECTOR_FRACT:
|
||||
case MODE_VECTOR_UFRACT:
|
||||
case MODE_VECTOR_ACCUM:
|
||||
case MODE_VECTOR_UACCUM:
|
||||
printf (" mode_base_align[%smode] = %d*s;\n",
|
||||
m->name, m->ncomponents);
|
||||
break;
|
||||
|
|
@ -1219,6 +1280,22 @@ emit_mode_adjustments (void)
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Ibit adjustments don't have to propagate. */
|
||||
for (a = adj_ibit; a; a = a->next)
|
||||
{
|
||||
printf ("\n /* %s:%d */\n s = %s;\n",
|
||||
a->file, a->line, a->adjustment);
|
||||
printf (" mode_ibit[%smode] = s;\n", a->mode->name);
|
||||
}
|
||||
|
||||
/* Fbit adjustments don't have to propagate. */
|
||||
for (a = adj_fbit; a; a = a->next)
|
||||
{
|
||||
printf ("\n /* %s:%d */\n s = %s;\n",
|
||||
a->file, a->line, a->adjustment);
|
||||
printf (" mode_fbit[%smode] = s;\n", a->mode->name);
|
||||
}
|
||||
|
||||
/* Real mode formats don't have to propagate anywhere. */
|
||||
for (a = adj_format; a; a = a->next)
|
||||
|
|
@ -1228,6 +1305,43 @@ emit_mode_adjustments (void)
|
|||
puts ("}");
|
||||
}
|
||||
|
||||
/* Emit ibit for all modes. */
|
||||
|
||||
static void
|
||||
emit_mode_ibit (void)
|
||||
{
|
||||
int c;
|
||||
struct mode_data *m;
|
||||
|
||||
print_maybe_const_decl ("%sunsigned char",
|
||||
"mode_ibit", "NUM_MACHINE_MODES",
|
||||
ibit);
|
||||
|
||||
for_all_modes (c, m)
|
||||
tagged_printf ("%u", m->ibit, m->name);
|
||||
|
||||
print_closer ();
|
||||
}
|
||||
|
||||
/* Emit fbit for all modes. */
|
||||
|
||||
static void
|
||||
emit_mode_fbit (void)
|
||||
{
|
||||
int c;
|
||||
struct mode_data *m;
|
||||
|
||||
print_maybe_const_decl ("%sunsigned char",
|
||||
"mode_fbit", "NUM_MACHINE_MODES",
|
||||
fbit);
|
||||
|
||||
for_all_modes (c, m)
|
||||
tagged_printf ("%u", m->fbit, m->name);
|
||||
|
||||
print_closer ();
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
emit_insn_modes_c (void)
|
||||
{
|
||||
|
|
@ -1244,6 +1358,8 @@ emit_insn_modes_c (void)
|
|||
emit_class_narrowest_mode ();
|
||||
emit_real_format_for_mode ();
|
||||
emit_mode_adjustments ();
|
||||
emit_mode_ibit ();
|
||||
emit_mode_fbit ();
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
|
|||
|
|
@ -96,6 +96,24 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
|
|||
storage, but with only PRECISION significant bits, using
|
||||
floating point format FORMAT.
|
||||
|
||||
FRACT_MODE (MODE, BYTESIZE, FBIT);
|
||||
declares MODE to be of class FRACT and BYTESIZE bytes wide
|
||||
with FBIT fractional bits. There may be padding bits.
|
||||
|
||||
UFRACT_MODE (MODE, BYTESIZE, FBIT);
|
||||
declares MODE to be of class UFRACT and BYTESIZE bytes wide
|
||||
with FBIT fractional bits. There may be padding bits.
|
||||
|
||||
ACCUM_MODE (MODE, BYTESIZE, IBIT, FBIT);
|
||||
declares MODE to be of class ACCUM and BYTESIZE bytes wide
|
||||
with IBIT integral bits and FBIT fractional bits.
|
||||
There may be padding bits.
|
||||
|
||||
UACCUM_MODE (MODE, BYTESIZE, FBIT);
|
||||
declares MODE to be of class UACCUM and BYTESIZE bytes wide
|
||||
with IBIT integral bits and FBIT fractional bits.
|
||||
There may be padding bits.
|
||||
|
||||
RESET_FLOAT_FORMAT (MODE, FORMAT);
|
||||
changes the format of MODE, which must be class FLOAT,
|
||||
to FORMAT. Use in an ARCH-modes.def to reset the format
|
||||
|
|
@ -133,10 +151,12 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
|
|||
ADJUST_BYTESIZE (MODE, EXPR);
|
||||
ADJUST_ALIGNMENT (MODE, EXPR);
|
||||
ADJUST_FLOAT_FORMAT (MODE, EXPR);
|
||||
Arrange for the byte size, alignment, or floating point format
|
||||
of MODE to be adjustable at run time. EXPR will be executed
|
||||
ADJUST_IBIT (MODE, EXPR);
|
||||
ADJUST_FBIT (MODE, EXPR);
|
||||
Arrange for the byte size, alignment, floating point format, ibit,
|
||||
or fbit of MODE to be adjustable at run time. EXPR will be executed
|
||||
once after processing all command line options, and should
|
||||
evaluate to the desired byte size, alignment, or format.
|
||||
evaluate to the desired byte size, alignment, format, ibit or fbit.
|
||||
|
||||
Unlike a FORMAT argument, if you are adjusting a float format
|
||||
you must put an & in front of the name of each format structure.
|
||||
|
|
@ -181,6 +201,29 @@ FLOAT_MODE (DF, 8, ieee_double_format);
|
|||
FIXME define this only for targets that need it. */
|
||||
CC_MODE (CC);
|
||||
|
||||
/* Fixed-point modes. */
|
||||
FRACT_MODE (QQ, 1, 7); /* s.7 */
|
||||
FRACT_MODE (HQ, 2, 15); /* s.15 */
|
||||
FRACT_MODE (SQ, 4, 31); /* s.31 */
|
||||
FRACT_MODE (DQ, 8, 63); /* s.63 */
|
||||
FRACT_MODE (TQ, 16, 127); /* s.127 */
|
||||
|
||||
UFRACT_MODE (UQQ, 1, 8); /* .8 */
|
||||
UFRACT_MODE (UHQ, 2, 16); /* .16 */
|
||||
UFRACT_MODE (USQ, 4, 32); /* .32 */
|
||||
UFRACT_MODE (UDQ, 8, 64); /* .64 */
|
||||
UFRACT_MODE (UTQ, 16, 128); /* .128 */
|
||||
|
||||
ACCUM_MODE (HA, 2, 8, 7); /* s8.7 */
|
||||
ACCUM_MODE (SA, 4, 16, 15); /* s16.15 */
|
||||
ACCUM_MODE (DA, 8, 32, 31); /* s32.31 */
|
||||
ACCUM_MODE (TA, 16, 64, 63); /* s64.63 */
|
||||
|
||||
UACCUM_MODE (UHA, 2, 8, 8); /* 8.8 */
|
||||
UACCUM_MODE (USA, 4, 16, 16); /* 16.16 */
|
||||
UACCUM_MODE (UDA, 8, 32, 32); /* 32.32 */
|
||||
UACCUM_MODE (UTA, 16, 64, 64); /* 64.64 */
|
||||
|
||||
/* Allow the target to specify additional modes of various kinds. */
|
||||
#if HAVE_EXTRA_MODES
|
||||
# include EXTRA_MODES_FILE
|
||||
|
|
|
|||
|
|
@ -66,7 +66,11 @@ extern const unsigned char mode_class[NUM_MACHINE_MODES];
|
|||
/* Nonzero if MODE is a vector mode. */
|
||||
#define VECTOR_MODE_P(MODE) \
|
||||
(GET_MODE_CLASS (MODE) == MODE_VECTOR_INT \
|
||||
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_FLOAT)
|
||||
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_FLOAT \
|
||||
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_FRACT \
|
||||
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_UFRACT \
|
||||
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_ACCUM \
|
||||
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_UACCUM)
|
||||
|
||||
/* Nonzero if MODE is a scalar integral mode. */
|
||||
#define SCALAR_INT_MODE_P(MODE) \
|
||||
|
|
@ -82,12 +86,94 @@ extern const unsigned char mode_class[NUM_MACHINE_MODES];
|
|||
#define DECIMAL_FLOAT_MODE_P(MODE) \
|
||||
(GET_MODE_CLASS (MODE) == MODE_DECIMAL_FLOAT)
|
||||
|
||||
/* Nonzero if MODE is a scalar fract mode. */
|
||||
#define SCALAR_FRACT_MODE_P(MODE) \
|
||||
(GET_MODE_CLASS (MODE) == MODE_FRACT)
|
||||
|
||||
/* Nonzero if MODE is a scalar ufract mode. */
|
||||
#define SCALAR_UFRACT_MODE_P(MODE) \
|
||||
(GET_MODE_CLASS (MODE) == MODE_UFRACT)
|
||||
|
||||
/* Nonzero if MODE is a scalar fract or ufract mode. */
|
||||
#define ALL_SCALAR_FRACT_MODE_P(MODE) \
|
||||
(SCALAR_FRACT_MODE_P (MODE) || SCALAR_UFRACT_MODE_P (MODE))
|
||||
|
||||
/* Nonzero if MODE is a scalar accum mode. */
|
||||
#define SCALAR_ACCUM_MODE_P(MODE) \
|
||||
(GET_MODE_CLASS (MODE) == MODE_ACCUM)
|
||||
|
||||
/* Nonzero if MODE is a scalar uaccum mode. */
|
||||
#define SCALAR_UACCUM_MODE_P(MODE) \
|
||||
(GET_MODE_CLASS (MODE) == MODE_UACCUM)
|
||||
|
||||
/* Nonzero if MODE is a scalar accum or uaccum mode. */
|
||||
#define ALL_SCALAR_ACCUM_MODE_P(MODE) \
|
||||
(SCALAR_ACCUM_MODE_P (MODE) || SCALAR_UACCUM_MODE_P (MODE))
|
||||
|
||||
/* Nonzero if MODE is a scalar fract or accum mode. */
|
||||
#define SIGNED_SCALAR_FIXED_POINT_MODE_P(MODE) \
|
||||
(SCALAR_FRACT_MODE_P (MODE) || SCALAR_ACCUM_MODE_P (MODE))
|
||||
|
||||
/* Nonzero if MODE is a scalar ufract or uaccum mode. */
|
||||
#define UNSIGNED_SCALAR_FIXED_POINT_MODE_P(MODE) \
|
||||
(SCALAR_UFRACT_MODE_P (MODE) || SCALAR_UACCUM_MODE_P (MODE))
|
||||
|
||||
/* Nonzero if MODE is a scalar fract, ufract, accum or uaccum mode. */
|
||||
#define ALL_SCALAR_FIXED_POINT_MODE_P(MODE) \
|
||||
(SIGNED_SCALAR_FIXED_POINT_MODE_P (MODE) \
|
||||
|| UNSIGNED_SCALAR_FIXED_POINT_MODE_P (MODE))
|
||||
|
||||
/* Nonzero if MODE is a scalar/vector fract mode. */
|
||||
#define FRACT_MODE_P(MODE) \
|
||||
(GET_MODE_CLASS (MODE) == MODE_FRACT \
|
||||
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_FRACT)
|
||||
|
||||
/* Nonzero if MODE is a scalar/vector ufract mode. */
|
||||
#define UFRACT_MODE_P(MODE) \
|
||||
(GET_MODE_CLASS (MODE) == MODE_UFRACT \
|
||||
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_UFRACT)
|
||||
|
||||
/* Nonzero if MODE is a scalar/vector fract or ufract mode. */
|
||||
#define ALL_FRACT_MODE_P(MODE) \
|
||||
(FRACT_MODE_P (MODE) || UFRACT_MODE_P (MODE))
|
||||
|
||||
/* Nonzero if MODE is a scalar/vector accum mode. */
|
||||
#define ACCUM_MODE_P(MODE) \
|
||||
(GET_MODE_CLASS (MODE) == MODE_ACCUM \
|
||||
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_ACCUM)
|
||||
|
||||
/* Nonzero if MODE is a scalar/vector uaccum mode. */
|
||||
#define UACCUM_MODE_P(MODE) \
|
||||
(GET_MODE_CLASS (MODE) == MODE_UACCUM \
|
||||
|| GET_MODE_CLASS (MODE) == MODE_VECTOR_UACCUM)
|
||||
|
||||
/* Nonzero if MODE is a scalar/vector accum or uaccum mode. */
|
||||
#define ALL_ACCUM_MODE_P(MODE) \
|
||||
(ACCUM_MODE_P (MODE) || UACCUM_MODE_P (MODE))
|
||||
|
||||
/* Nonzero if MODE is a scalar/vector fract or accum mode. */
|
||||
#define SIGNED_FIXED_POINT_MODE_P(MODE) \
|
||||
(FRACT_MODE_P (MODE) || ACCUM_MODE_P (MODE))
|
||||
|
||||
/* Nonzero if MODE is a scalar/vector ufract or uaccum mode. */
|
||||
#define UNSIGNED_FIXED_POINT_MODE_P(MODE) \
|
||||
(UFRACT_MODE_P (MODE) || UACCUM_MODE_P (MODE))
|
||||
|
||||
/* Nonzero if MODE is a scalar/vector fract, ufract, accum or uaccum mode. */
|
||||
#define ALL_FIXED_POINT_MODE_P(MODE) \
|
||||
(SIGNED_FIXED_POINT_MODE_P (MODE) \
|
||||
|| UNSIGNED_FIXED_POINT_MODE_P (MODE))
|
||||
|
||||
/* Nonzero if CLASS modes can be widened. */
|
||||
#define CLASS_HAS_WIDER_MODES_P(CLASS) \
|
||||
(CLASS == MODE_INT \
|
||||
|| CLASS == MODE_FLOAT \
|
||||
|| CLASS == MODE_DECIMAL_FLOAT \
|
||||
|| CLASS == MODE_COMPLEX_FLOAT)
|
||||
|| CLASS == MODE_COMPLEX_FLOAT \
|
||||
|| CLASS == MODE_FRACT \
|
||||
|| CLASS == MODE_UFRACT \
|
||||
|| CLASS == MODE_ACCUM \
|
||||
|| CLASS == MODE_UACCUM)
|
||||
|
||||
/* Get the size in bytes and bits of an object of mode MODE. */
|
||||
|
||||
|
|
@ -99,6 +185,14 @@ extern CONST_MODE_SIZE unsigned char mode_size[NUM_MACHINE_MODES];
|
|||
extern const unsigned short mode_precision[NUM_MACHINE_MODES];
|
||||
#define GET_MODE_PRECISION(MODE) mode_precision[MODE]
|
||||
|
||||
/* Get the number of integral bits of an object of mode MODE. */
|
||||
extern CONST_MODE_IBIT unsigned char mode_ibit[NUM_MACHINE_MODES];
|
||||
#define GET_MODE_IBIT(MODE) mode_ibit[MODE]
|
||||
|
||||
/* Get the number of fractional bits of an object of mode MODE. */
|
||||
extern CONST_MODE_FBIT unsigned char mode_fbit[NUM_MACHINE_MODES];
|
||||
#define GET_MODE_FBIT(MODE) mode_fbit[MODE]
|
||||
|
||||
/* Get a bitmask containing 1 for all bits in a word
|
||||
that fit within mode MODE. */
|
||||
|
||||
|
|
|
|||
|
|
@ -23,10 +23,18 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
|
|||
DEF_MODE_CLASS (MODE_RANDOM), /* other */ \
|
||||
DEF_MODE_CLASS (MODE_CC), /* condition code in a register */ \
|
||||
DEF_MODE_CLASS (MODE_INT), /* integer */ \
|
||||
DEF_MODE_CLASS (MODE_PARTIAL_INT), /* integer with padding bits */ \
|
||||
DEF_MODE_CLASS (MODE_PARTIAL_INT), /* integer with padding bits */ \
|
||||
DEF_MODE_CLASS (MODE_FRACT), /* signed fractional number */ \
|
||||
DEF_MODE_CLASS (MODE_UFRACT), /* unsigned fractional number */ \
|
||||
DEF_MODE_CLASS (MODE_ACCUM), /* signed accumulator */ \
|
||||
DEF_MODE_CLASS (MODE_UACCUM), /* unsigned accumulator */ \
|
||||
DEF_MODE_CLASS (MODE_FLOAT), /* floating point */ \
|
||||
DEF_MODE_CLASS (MODE_DECIMAL_FLOAT), /* decimal floating point */ \
|
||||
DEF_MODE_CLASS (MODE_COMPLEX_INT), /* complex numbers */ \
|
||||
DEF_MODE_CLASS (MODE_COMPLEX_FLOAT), \
|
||||
DEF_MODE_CLASS (MODE_VECTOR_INT), /* SIMD vectors */ \
|
||||
DEF_MODE_CLASS (MODE_VECTOR_FRACT), /* SIMD vectors */ \
|
||||
DEF_MODE_CLASS (MODE_VECTOR_UFRACT), /* SIMD vectors */ \
|
||||
DEF_MODE_CLASS (MODE_VECTOR_ACCUM), /* SIMD vectors */ \
|
||||
DEF_MODE_CLASS (MODE_VECTOR_UACCUM), /* SIMD vectors */ \
|
||||
DEF_MODE_CLASS (MODE_VECTOR_FLOAT)
|
||||
|
|
|
|||
Loading…
Reference in New Issue