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Implement fma in soft-fp.
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51
ChangeLog
51
ChangeLog
@ -1,3 +1,54 @@
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2013-07-02 Joseph Myers <joseph@codesourcery.com>
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[BZ #13304]
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* soft-fp/op-common.h (_FP_FMA): New macro.
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* soft-fp/op-1.h (_FP_FRAC_HIGHBIT_DW_1): New macro.
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(_FP_MUL_MEAT_DW_1_imm): Likewise. Split out of ...
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(_FP_MUL_MEAT_1_imm): ... here.
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(_FP_MUL_MEAT_DW_1_wide): New macro. Split out of ...
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(_FP_MUL_MEAT_1_wide): ... here.
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(_FP_MUL_MEAT_DW_1_hard): Likewise. Split out of ...
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(_FP_MUL_MEAT_1_hard): ... here.
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* soft-fp/op-2.h (_FP_FRAC_HIGHBIT_DW_2): New macro.
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(_FP_MUL_MEAT_DW_2_wide): Likewise. Split out of ...
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(_FP_MUL_MEAT_2_wide): ... here.
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(_FP_MUL_MEAT_DW_2_wide_3mul): New macro. Split out of ...
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(_FP_MUL_MEAT_2_wide_3mul): ... here.
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(_FP_MUL_MEAT_DW_2_gmp): New macro. Split out of ...
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(_FP_MUL_MEAT_2_gmp): ... here.
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* soft-fp/op-4.h (_FP_FRAC_HIGHBIT_DW_4): New macro.
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(_FP_MUL_MEAT_DW_4_wide): Likewise. Split out of ...
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(_FP_MUL_MEAT_4_wide): ... here.
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(_FP_MUL_MEAT_DW_4_gmp): New macro. Split out of ...
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(_FP_MUL_MEAT_4_gmp): ... here.
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* soft-fp/single.h (_FP_FRACTBITS_DW_S): New macro.
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(_FP_WFRACBITS_DW_S): Likewise.
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(_FP_WFRACXBITS_DW_S): Likewise.
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(_FP_HIGHBIT_DW_S): Likewise.
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(FP_FMA_S): Likewise.
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(_FP_FRAC_HIGH_DW_S): Likewise.
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* soft-fp/double.h (_FP_FRACTBITS_DW_D): New macro.
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(_FP_WFRACBITS_DW_D): Likewise.
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(_FP_WFRACXBITS_DW_D): Likewise.
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(_FP_HIGHBIT_DW_D): Likewise.
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(FP_FMA_D): Likewise.
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(_FP_FRAC_HIGH_DW_D): Likewise.
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* soft-fp/extended.h (_FP_FRACTBITS_DW_E): New macro.
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(_FP_WFRACBITS_DW_E): Likewise.
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(_FP_WFRACXBITS_DW_E): Likewise.
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(_FP_HIGHBIT_DW_E): Likewise.
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(FP_FMA_E): Likewise.
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(_FP_FRAC_HIGH_DW_E): Likewise.
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* soft-fp/quad.h (_FP_FRACTBITS_DW_Q): New macro.
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(_FP_WFRACBITS_DW_Q): Likewise.
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(_FP_WFRACXBITS_DW_Q): Likewise.
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(_FP_HIGHBIT_DW_Q): Likewise.
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(FP_FMA_Q): Likewise.
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(_FP_FRAC_HIGH_DW_Q): Likewise.
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* soft-fp/fmasf4.c: New file.
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* soft-fp/fmadf4.c: Likewise.
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* soft-fp/fmatf4.c: Likewise.
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2013-06-28 Liubov Dmitrieva <liubov.dmitrieva@intel.com>
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* sysdeps/x86_64/multiarch/init-arch.c (__init_cpu_features): Set
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@ -1,3 +1,21 @@
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2013-07-02 Joseph Myers <joseph@codesourcery.com>
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[BZ #13304]
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* sysdeps/mips/ieee754/s_fma.c: New file.
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* sysdeps/mips/ieee754/s_fmaf.c: Likewise.
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* sysdeps/mips/ieee754/s_fmal.c: Likewise.
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* sysdeps/mips/mips32/Implies: Add mips/soft-fp.
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* sysdeps/mips/mips64/n32/s_fma.c: Remove file.
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* sysdeps/mips/mips64/n64/s_fma.c: Likewise.
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* sysdeps/mips/mips64/soft-fp/sfp-machine.h (_FP_MUL_MEAT_DW_S):
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New macro.
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(_FP_MUL_MEAT_DW_D): Likewise.
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(_FP_MUL_MEAT_DW_Q): Likewise.
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* sysdeps/mips/soft-fp/sfp-machine.h (_FP_MUL_MEAT_DW_S): New
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macro.
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(_FP_MUL_MEAT_DW_D): Likewise.
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(_FP_MUL_MEAT_DW_Q): Likewise.
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2013-06-28 Ryan S. Arnold <rsa@linux.vnet.ibm.com>
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* sysdeps/mips/dl-procinfo.h (_dl_procinfo): Add TYPE parameter
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5
ports/sysdeps/mips/ieee754/s_fma.c
Normal file
5
ports/sysdeps/mips/ieee754/s_fma.c
Normal file
@ -0,0 +1,5 @@
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#ifdef __mips_hard_float
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# include <sysdeps/ieee754/dbl-64/s_fma.c>
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#else
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# include <soft-fp/fmadf4.c>
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#endif
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5
ports/sysdeps/mips/ieee754/s_fmaf.c
Normal file
5
ports/sysdeps/mips/ieee754/s_fmaf.c
Normal file
@ -0,0 +1,5 @@
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#ifdef __mips_hard_float
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# include <sysdeps/ieee754/dbl-64/s_fmaf.c>
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#else
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# include <soft-fp/fmasf4.c>
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#endif
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7
ports/sysdeps/mips/ieee754/s_fmal.c
Normal file
7
ports/sysdeps/mips/ieee754/s_fmal.c
Normal file
@ -0,0 +1,7 @@
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#include <sgidefs.h>
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#if _MIPS_SIM == _ABIO32
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# error "long double fma being compiled for o32 ABI"
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#endif
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#include <soft-fp/fmatf4.c>
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@ -1,3 +1,4 @@
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mips/ieee754
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mips/soft-fp
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mips
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wordsize-32
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@ -1,6 +0,0 @@
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/* MIPS long double is implemented in software by fp-bit (as of GCC
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4.7) without support for exceptions or rounding modes, so the fma
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implementation in terms of long double is slow and will not produce
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correctly rounding results. */
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#include <sysdeps/ieee754/dbl-64/s_fma.c>
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@ -1,6 +0,0 @@
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/* MIPS long double is implemented in software by fp-bit (as of GCC
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4.7) without support for exceptions or rounding modes, so the fma
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implementation in terms of long double is slow and will not produce
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correctly rounding results. */
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#include <sysdeps/ieee754/dbl-64/s_fma.c>
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@ -13,6 +13,13 @@
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#define _FP_MUL_MEAT_Q(R,X,Y) \
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_FP_MUL_MEAT_2_wide_3mul(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
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#define _FP_MUL_MEAT_DW_S(R,X,Y) \
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_FP_MUL_MEAT_DW_1_imm(_FP_WFRACBITS_S,R,X,Y)
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#define _FP_MUL_MEAT_DW_D(R,X,Y) \
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_FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
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#define _FP_MUL_MEAT_DW_Q(R,X,Y) \
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_FP_MUL_MEAT_DW_2_wide_3mul(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
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#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm)
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#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(D,R,X,Y)
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#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
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@ -10,6 +10,13 @@
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#define _FP_MUL_MEAT_Q(R,X,Y) \
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_FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
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#define _FP_MUL_MEAT_DW_S(R,X,Y) \
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_FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
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#define _FP_MUL_MEAT_DW_D(R,X,Y) \
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_FP_MUL_MEAT_DW_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
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#define _FP_MUL_MEAT_DW_Q(R,X,Y) \
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_FP_MUL_MEAT_DW_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
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#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(S,R,X,Y)
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#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
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#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
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@ -36,8 +36,10 @@
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#if _FP_W_TYPE_SIZE < 64
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#define _FP_FRACTBITS_D (2 * _FP_W_TYPE_SIZE)
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#define _FP_FRACTBITS_DW_D (4 * _FP_W_TYPE_SIZE)
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#else
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#define _FP_FRACTBITS_D _FP_W_TYPE_SIZE
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#define _FP_FRACTBITS_DW_D (2 * _FP_W_TYPE_SIZE)
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#endif
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#define _FP_FRACBITS_D 53
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@ -59,6 +61,11 @@
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#define _FP_OVERFLOW_D \
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((_FP_W_TYPE)1 << _FP_WFRACBITS_D % _FP_W_TYPE_SIZE)
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#define _FP_WFRACBITS_DW_D (2 * _FP_WFRACBITS_D)
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#define _FP_WFRACXBITS_DW_D (_FP_FRACTBITS_DW_D - _FP_WFRACBITS_DW_D)
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#define _FP_HIGHBIT_DW_D \
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((_FP_W_TYPE)1 << (_FP_WFRACBITS_DW_D - 1) % _FP_W_TYPE_SIZE)
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typedef float DFtype __attribute__((mode(DF)));
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#if _FP_W_TYPE_SIZE < 64
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@ -149,6 +156,7 @@ union _FP_UNION_D
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#define FP_DIV_D(R,X,Y) _FP_DIV(D,2,R,X,Y)
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#define FP_SQRT_D(R,X) _FP_SQRT(D,2,R,X)
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#define _FP_SQRT_MEAT_D(R,S,T,X,Q) _FP_SQRT_MEAT_2(R,S,T,X,Q)
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#define FP_FMA_D(R,X,Y,Z) _FP_FMA(D,2,4,R,X,Y,Z)
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#define FP_CMP_D(r,X,Y,un) _FP_CMP(D,2,r,X,Y,un)
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#define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,2,r,X,Y)
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@ -160,6 +168,8 @@ union _FP_UNION_D
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#define _FP_FRAC_HIGH_D(X) _FP_FRAC_HIGH_2(X)
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#define _FP_FRAC_HIGH_RAW_D(X) _FP_FRAC_HIGH_2(X)
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#define _FP_FRAC_HIGH_DW_D(X) _FP_FRAC_HIGH_4(X)
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#else
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union _FP_UNION_D
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@ -246,6 +256,7 @@ union _FP_UNION_D
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#define FP_DIV_D(R,X,Y) _FP_DIV(D,1,R,X,Y)
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#define FP_SQRT_D(R,X) _FP_SQRT(D,1,R,X)
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#define _FP_SQRT_MEAT_D(R,S,T,X,Q) _FP_SQRT_MEAT_1(R,S,T,X,Q)
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#define FP_FMA_D(R,X,Y,Z) _FP_FMA(D,1,2,R,X,Y,Z)
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/* The implementation of _FP_MUL_D and _FP_DIV_D should be chosen by
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the target machine. */
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@ -260,4 +271,6 @@ union _FP_UNION_D
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#define _FP_FRAC_HIGH_D(X) _FP_FRAC_HIGH_1(X)
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#define _FP_FRAC_HIGH_RAW_D(X) _FP_FRAC_HIGH_1(X)
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#define _FP_FRAC_HIGH_DW_D(X) _FP_FRAC_HIGH_2(X)
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#endif /* W_TYPE_SIZE < 64 */
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@ -33,8 +33,10 @@
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#if _FP_W_TYPE_SIZE < 64
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#define _FP_FRACTBITS_E (4*_FP_W_TYPE_SIZE)
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#define _FP_FRACTBITS_DW_E (8*_FP_W_TYPE_SIZE)
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#else
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#define _FP_FRACTBITS_E (2*_FP_W_TYPE_SIZE)
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#define _FP_FRACTBITS_DW_E (4*_FP_W_TYPE_SIZE)
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#endif
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#define _FP_FRACBITS_E 64
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@ -56,6 +58,11 @@
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#define _FP_OVERFLOW_E \
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((_FP_W_TYPE)1 << (_FP_WFRACBITS_E % _FP_W_TYPE_SIZE))
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#define _FP_WFRACBITS_DW_E (2 * _FP_WFRACBITS_E)
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#define _FP_WFRACXBITS_DW_E (_FP_FRACTBITS_DW_E - _FP_WFRACBITS_DW_E)
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#define _FP_HIGHBIT_DW_E \
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((_FP_W_TYPE)1 << (_FP_WFRACBITS_DW_E - 1) % _FP_W_TYPE_SIZE)
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typedef float XFtype __attribute__((mode(XF)));
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#if _FP_W_TYPE_SIZE < 64
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@ -192,6 +199,7 @@ union _FP_UNION_E
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#define FP_MUL_E(R,X,Y) _FP_MUL(E,4,R,X,Y)
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#define FP_DIV_E(R,X,Y) _FP_DIV(E,4,R,X,Y)
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#define FP_SQRT_E(R,X) _FP_SQRT(E,4,R,X)
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#define FP_FMA_E(R,X,Y,Z) _FP_FMA(E,4,8,R,X,Y,Z)
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/*
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* Square root algorithms:
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@ -258,6 +266,8 @@ union _FP_UNION_E
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#define _FP_FRAC_HIGH_E(X) (X##_f[2])
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#define _FP_FRAC_HIGH_RAW_E(X) (X##_f[1])
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#define _FP_FRAC_HIGH_DW_E(X) (X##_f[4])
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#else /* not _FP_W_TYPE_SIZE < 64 */
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union _FP_UNION_E
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{
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@ -383,6 +393,7 @@ union _FP_UNION_E
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#define FP_MUL_E(R,X,Y) _FP_MUL(E,2,R,X,Y)
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#define FP_DIV_E(R,X,Y) _FP_DIV(E,2,R,X,Y)
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#define FP_SQRT_E(R,X) _FP_SQRT(E,2,R,X)
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#define FP_FMA_E(R,X,Y,Z) _FP_FMA(E,2,4,R,X,Y,Z)
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/*
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* Square root algorithms:
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@ -427,4 +438,6 @@ union _FP_UNION_E
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#define _FP_FRAC_HIGH_E(X) (X##_f1)
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#define _FP_FRAC_HIGH_RAW_E(X) (X##_f0)
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#define _FP_FRAC_HIGH_DW_E(X) (X##_f[2])
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#endif /* not _FP_W_TYPE_SIZE < 64 */
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56
soft-fp/fmadf4.c
Normal file
56
soft-fp/fmadf4.c
Normal file
@ -0,0 +1,56 @@
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/* Implement fma using soft-fp.
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Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
|
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
|
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In addition to the permissions in the GNU Lesser General Public
|
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License, the Free Software Foundation gives you unlimited
|
||||
permission to link the compiled version of this file into
|
||||
combinations with other programs, and to distribute those
|
||||
combinations without any restriction coming from the use of this
|
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file. (The Lesser General Public License restrictions do apply in
|
||||
other respects; for example, they cover modification of the file,
|
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and distribution when not linked into a combine executable.)
|
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|
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The GNU C Library is distributed in the hope that it will be useful,
|
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but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
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You should have received a copy of the GNU Lesser General Public
|
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License along with the GNU C Library; if not, see
|
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<http://www.gnu.org/licenses/>. */
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#include <math.h>
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#include "soft-fp.h"
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#include "double.h"
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double
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__fma (double a, double b, double c)
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{
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FP_DECL_EX;
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FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(C); FP_DECL_D(R);
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double r;
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FP_INIT_ROUNDMODE;
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FP_UNPACK_D(A, a);
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FP_UNPACK_D(B, b);
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FP_UNPACK_D(C, c);
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FP_FMA_D(R, A, B, C);
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FP_PACK_D(r, R);
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FP_HANDLE_EXCEPTIONS;
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return r;
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}
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#ifndef __fma
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weak_alias (__fma, fma)
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#endif
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#ifdef NO_LONG_DOUBLE
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strong_alias (__fma, __fmal)
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weak_alias (__fmal, fmal)
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#endif
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51
soft-fp/fmasf4.c
Normal file
51
soft-fp/fmasf4.c
Normal file
@ -0,0 +1,51 @@
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/* Implement fmaf using soft-fp.
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Copyright (C) 2013 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
In addition to the permissions in the GNU Lesser General Public
|
||||
License, the Free Software Foundation gives you unlimited
|
||||
permission to link the compiled version of this file into
|
||||
combinations with other programs, and to distribute those
|
||||
combinations without any restriction coming from the use of this
|
||||
file. (The Lesser General Public License restrictions do apply in
|
||||
other respects; for example, they cover modification of the file,
|
||||
and distribution when not linked into a combine executable.)
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, see
|
||||
<http://www.gnu.org/licenses/>. */
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#include <math.h>
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||||
#include "soft-fp.h"
|
||||
#include "single.h"
|
||||
|
||||
float
|
||||
__fmaf (float a, float b, float c)
|
||||
{
|
||||
FP_DECL_EX;
|
||||
FP_DECL_S(A); FP_DECL_S(B); FP_DECL_S(C); FP_DECL_S(R);
|
||||
float r;
|
||||
|
||||
FP_INIT_ROUNDMODE;
|
||||
FP_UNPACK_S(A, a);
|
||||
FP_UNPACK_S(B, b);
|
||||
FP_UNPACK_S(C, c);
|
||||
FP_FMA_S(R, A, B, C);
|
||||
FP_PACK_S(r, R);
|
||||
FP_HANDLE_EXCEPTIONS;
|
||||
|
||||
return r;
|
||||
}
|
||||
#ifndef __fmaf
|
||||
weak_alias (__fmaf, fmaf)
|
||||
#endif
|
49
soft-fp/fmatf4.c
Normal file
49
soft-fp/fmatf4.c
Normal file
@ -0,0 +1,49 @@
|
||||
/* Implement fmal using soft-fp.
|
||||
Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
In addition to the permissions in the GNU Lesser General Public
|
||||
License, the Free Software Foundation gives you unlimited
|
||||
permission to link the compiled version of this file into
|
||||
combinations with other programs, and to distribute those
|
||||
combinations without any restriction coming from the use of this
|
||||
file. (The Lesser General Public License restrictions do apply in
|
||||
other respects; for example, they cover modification of the file,
|
||||
and distribution when not linked into a combine executable.)
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#include <math.h>
|
||||
#include "soft-fp.h"
|
||||
#include "quad.h"
|
||||
|
||||
long double
|
||||
__fmal (long double a, long double b, long double c)
|
||||
{
|
||||
FP_DECL_EX;
|
||||
FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(C); FP_DECL_Q(R);
|
||||
long double r;
|
||||
|
||||
FP_INIT_ROUNDMODE;
|
||||
FP_UNPACK_Q(A, a);
|
||||
FP_UNPACK_Q(B, b);
|
||||
FP_UNPACK_Q(C, c);
|
||||
FP_FMA_Q(R, A, B, C);
|
||||
FP_PACK_Q(r, R);
|
||||
FP_HANDLE_EXCEPTIONS;
|
||||
|
||||
return r;
|
||||
}
|
||||
weak_alias (__fmal, fmal)
|
@ -72,6 +72,7 @@ do { \
|
||||
#define _FP_FRAC_ZEROP_1(X) (X##_f == 0)
|
||||
#define _FP_FRAC_OVERP_1(fs,X) (X##_f & _FP_OVERFLOW_##fs)
|
||||
#define _FP_FRAC_CLEAR_OVERP_1(fs,X) (X##_f &= ~_FP_OVERFLOW_##fs)
|
||||
#define _FP_FRAC_HIGHBIT_DW_1(fs,X) (X##_f & _FP_HIGHBIT_DW_##fs)
|
||||
#define _FP_FRAC_EQ_1(X, Y) (X##_f == Y##_f)
|
||||
#define _FP_FRAC_GE_1(X, Y) (X##_f >= Y##_f)
|
||||
#define _FP_FRAC_GT_1(X, Y) (X##_f > Y##_f)
|
||||
@ -137,9 +138,14 @@ do { \
|
||||
/* Basic. Assuming the host word size is >= 2*FRACBITS, we can do the
|
||||
multiplication immediately. */
|
||||
|
||||
#define _FP_MUL_MEAT_1_imm(wfracbits, R, X, Y) \
|
||||
#define _FP_MUL_MEAT_DW_1_imm(wfracbits, R, X, Y) \
|
||||
do { \
|
||||
R##_f = X##_f * Y##_f; \
|
||||
} while (0)
|
||||
|
||||
#define _FP_MUL_MEAT_1_imm(wfracbits, R, X, Y) \
|
||||
do { \
|
||||
_FP_MUL_MEAT_DW_1_imm(wfracbits, R, X, Y); \
|
||||
/* Normalize since we know where the msb of the multiplicands \
|
||||
were (bit B), we know that the msb of the of the product is \
|
||||
at either 2B or 2B-1. */ \
|
||||
@ -148,10 +154,15 @@ do { \
|
||||
|
||||
/* Given a 1W * 1W => 2W primitive, do the extended multiplication. */
|
||||
|
||||
#define _FP_MUL_MEAT_DW_1_wide(wfracbits, R, X, Y, doit) \
|
||||
do { \
|
||||
doit(R##_f1, R##_f0, X##_f, Y##_f); \
|
||||
} while (0)
|
||||
|
||||
#define _FP_MUL_MEAT_1_wide(wfracbits, R, X, Y, doit) \
|
||||
do { \
|
||||
_FP_W_TYPE _Z_f0, _Z_f1; \
|
||||
doit(_Z_f1, _Z_f0, X##_f, Y##_f); \
|
||||
_FP_FRAC_DECL_2(_Z); \
|
||||
_FP_MUL_MEAT_DW_1_wide(wfracbits, _Z, X, Y, doit); \
|
||||
/* Normalize since we know where the msb of the multiplicands \
|
||||
were (bit B), we know that the msb of the of the product is \
|
||||
at either 2B or 2B-1. */ \
|
||||
@ -161,9 +172,10 @@ do { \
|
||||
|
||||
/* Finally, a simple widening multiply algorithm. What fun! */
|
||||
|
||||
#define _FP_MUL_MEAT_1_hard(wfracbits, R, X, Y) \
|
||||
#define _FP_MUL_MEAT_DW_1_hard(wfracbits, R, X, Y) \
|
||||
do { \
|
||||
_FP_W_TYPE _xh, _xl, _yh, _yl, _z_f0, _z_f1, _a_f0, _a_f1; \
|
||||
_FP_W_TYPE _xh, _xl, _yh, _yl; \
|
||||
_FP_FRAC_DECL_2(_a); \
|
||||
\
|
||||
/* split the words in half */ \
|
||||
_xh = X##_f >> (_FP_W_TYPE_SIZE/2); \
|
||||
@ -172,17 +184,23 @@ do { \
|
||||
_yl = Y##_f & (((_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2)) - 1); \
|
||||
\
|
||||
/* multiply the pieces */ \
|
||||
_z_f0 = _xl * _yl; \
|
||||
R##_f0 = _xl * _yl; \
|
||||
_a_f0 = _xh * _yl; \
|
||||
_a_f1 = _xl * _yh; \
|
||||
_z_f1 = _xh * _yh; \
|
||||
R##_f1 = _xh * _yh; \
|
||||
\
|
||||
/* reassemble into two full words */ \
|
||||
if ((_a_f0 += _a_f1) < _a_f1) \
|
||||
_z_f1 += (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2); \
|
||||
R##_f1 += (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2); \
|
||||
_a_f1 = _a_f0 >> (_FP_W_TYPE_SIZE/2); \
|
||||
_a_f0 = _a_f0 << (_FP_W_TYPE_SIZE/2); \
|
||||
_FP_FRAC_ADD_2(_z, _z, _a); \
|
||||
_FP_FRAC_ADD_2(R, R, _a); \
|
||||
} while (0)
|
||||
|
||||
#define _FP_MUL_MEAT_1_hard(wfracbits, R, X, Y) \
|
||||
do { \
|
||||
_FP_FRAC_DECL_2(_z); \
|
||||
_FP_MUL_MEAT_DW_1_hard(wfracbits, _z, X, Y); \
|
||||
\
|
||||
/* normalize */ \
|
||||
_FP_FRAC_SRS_2(_z, wfracbits - 1, 2*wfracbits); \
|
||||
|
@ -134,6 +134,8 @@
|
||||
#define _FP_FRAC_ZEROP_2(X) ((X##_f1 | X##_f0) == 0)
|
||||
#define _FP_FRAC_OVERP_2(fs,X) (_FP_FRAC_HIGH_##fs(X) & _FP_OVERFLOW_##fs)
|
||||
#define _FP_FRAC_CLEAR_OVERP_2(fs,X) (_FP_FRAC_HIGH_##fs(X) &= ~_FP_OVERFLOW_##fs)
|
||||
#define _FP_FRAC_HIGHBIT_DW_2(fs,X) \
|
||||
(_FP_FRAC_HIGH_DW_##fs(X) & _FP_HIGHBIT_DW_##fs)
|
||||
#define _FP_FRAC_EQ_2(X, Y) (X##_f1 == Y##_f1 && X##_f0 == Y##_f0)
|
||||
#define _FP_FRAC_GT_2(X, Y) \
|
||||
(X##_f1 > Y##_f1 || (X##_f1 == Y##_f1 && X##_f0 > Y##_f0))
|
||||
@ -257,23 +259,30 @@
|
||||
|
||||
/* Given a 1W * 1W => 2W primitive, do the extended multiplication. */
|
||||
|
||||
#define _FP_MUL_MEAT_2_wide(wfracbits, R, X, Y, doit) \
|
||||
#define _FP_MUL_MEAT_DW_2_wide(wfracbits, R, X, Y, doit) \
|
||||
do { \
|
||||
_FP_FRAC_DECL_4(_z); _FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c); \
|
||||
_FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c); \
|
||||
\
|
||||
doit(_FP_FRAC_WORD_4(_z,1), _FP_FRAC_WORD_4(_z,0), X##_f0, Y##_f0); \
|
||||
doit(_FP_FRAC_WORD_4(R,1), _FP_FRAC_WORD_4(R,0), X##_f0, Y##_f0); \
|
||||
doit(_b_f1, _b_f0, X##_f0, Y##_f1); \
|
||||
doit(_c_f1, _c_f0, X##_f1, Y##_f0); \
|
||||
doit(_FP_FRAC_WORD_4(_z,3), _FP_FRAC_WORD_4(_z,2), X##_f1, Y##_f1); \
|
||||
doit(_FP_FRAC_WORD_4(R,3), _FP_FRAC_WORD_4(R,2), X##_f1, Y##_f1); \
|
||||
\
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
|
||||
_FP_FRAC_WORD_4(_z,1), 0, _b_f1, _b_f0, \
|
||||
_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
|
||||
_FP_FRAC_WORD_4(_z,1)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
|
||||
_FP_FRAC_WORD_4(_z,1), 0, _c_f1, _c_f0, \
|
||||
_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
|
||||
_FP_FRAC_WORD_4(_z,1)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_4(R,3),_FP_FRAC_WORD_4(R,2), \
|
||||
_FP_FRAC_WORD_4(R,1), 0, _b_f1, _b_f0, \
|
||||
_FP_FRAC_WORD_4(R,3),_FP_FRAC_WORD_4(R,2), \
|
||||
_FP_FRAC_WORD_4(R,1)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_4(R,3),_FP_FRAC_WORD_4(R,2), \
|
||||
_FP_FRAC_WORD_4(R,1), 0, _c_f1, _c_f0, \
|
||||
_FP_FRAC_WORD_4(R,3),_FP_FRAC_WORD_4(R,2), \
|
||||
_FP_FRAC_WORD_4(R,1)); \
|
||||
} while (0)
|
||||
|
||||
#define _FP_MUL_MEAT_2_wide(wfracbits, R, X, Y, doit) \
|
||||
do { \
|
||||
_FP_FRAC_DECL_4(_z); \
|
||||
\
|
||||
_FP_MUL_MEAT_DW_2_wide(wfracbits, _z, X, Y, doit); \
|
||||
\
|
||||
/* Normalize since we know where the msb of the multiplicands \
|
||||
were (bit B), we know that the msb of the of the product is \
|
||||
@ -287,9 +296,9 @@
|
||||
Do only 3 multiplications instead of four. This one is for machines
|
||||
where multiplication is much more expensive than subtraction. */
|
||||
|
||||
#define _FP_MUL_MEAT_2_wide_3mul(wfracbits, R, X, Y, doit) \
|
||||
#define _FP_MUL_MEAT_DW_2_wide_3mul(wfracbits, R, X, Y, doit) \
|
||||
do { \
|
||||
_FP_FRAC_DECL_4(_z); _FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c); \
|
||||
_FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c); \
|
||||
_FP_W_TYPE _d; \
|
||||
int _c1, _c2; \
|
||||
\
|
||||
@ -297,27 +306,34 @@
|
||||
_c1 = _b_f0 < X##_f0; \
|
||||
_b_f1 = Y##_f0 + Y##_f1; \
|
||||
_c2 = _b_f1 < Y##_f0; \
|
||||
doit(_d, _FP_FRAC_WORD_4(_z,0), X##_f0, Y##_f0); \
|
||||
doit(_FP_FRAC_WORD_4(_z,2), _FP_FRAC_WORD_4(_z,1), _b_f0, _b_f1); \
|
||||
doit(_d, _FP_FRAC_WORD_4(R,0), X##_f0, Y##_f0); \
|
||||
doit(_FP_FRAC_WORD_4(R,2), _FP_FRAC_WORD_4(R,1), _b_f0, _b_f1); \
|
||||
doit(_c_f1, _c_f0, X##_f1, Y##_f1); \
|
||||
\
|
||||
_b_f0 &= -_c2; \
|
||||
_b_f1 &= -_c1; \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
|
||||
_FP_FRAC_WORD_4(_z,1), (_c1 & _c2), 0, _d, \
|
||||
0, _FP_FRAC_WORD_4(_z,2), _FP_FRAC_WORD_4(_z,1)); \
|
||||
__FP_FRAC_ADDI_2(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_4(R,3),_FP_FRAC_WORD_4(R,2), \
|
||||
_FP_FRAC_WORD_4(R,1), (_c1 & _c2), 0, _d, \
|
||||
0, _FP_FRAC_WORD_4(R,2), _FP_FRAC_WORD_4(R,1)); \
|
||||
__FP_FRAC_ADDI_2(_FP_FRAC_WORD_4(R,3),_FP_FRAC_WORD_4(R,2), \
|
||||
_b_f0); \
|
||||
__FP_FRAC_ADDI_2(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
|
||||
__FP_FRAC_ADDI_2(_FP_FRAC_WORD_4(R,3),_FP_FRAC_WORD_4(R,2), \
|
||||
_b_f1); \
|
||||
__FP_FRAC_DEC_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
|
||||
_FP_FRAC_WORD_4(_z,1), \
|
||||
0, _d, _FP_FRAC_WORD_4(_z,0)); \
|
||||
__FP_FRAC_DEC_3(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \
|
||||
_FP_FRAC_WORD_4(_z,1), 0, _c_f1, _c_f0); \
|
||||
__FP_FRAC_ADD_2(_FP_FRAC_WORD_4(_z,3), _FP_FRAC_WORD_4(_z,2), \
|
||||
__FP_FRAC_DEC_3(_FP_FRAC_WORD_4(R,3),_FP_FRAC_WORD_4(R,2), \
|
||||
_FP_FRAC_WORD_4(R,1), \
|
||||
0, _d, _FP_FRAC_WORD_4(R,0)); \
|
||||
__FP_FRAC_DEC_3(_FP_FRAC_WORD_4(R,3),_FP_FRAC_WORD_4(R,2), \
|
||||
_FP_FRAC_WORD_4(R,1), 0, _c_f1, _c_f0); \
|
||||
__FP_FRAC_ADD_2(_FP_FRAC_WORD_4(R,3), _FP_FRAC_WORD_4(R,2), \
|
||||
_c_f1, _c_f0, \
|
||||
_FP_FRAC_WORD_4(_z,3), _FP_FRAC_WORD_4(_z,2)); \
|
||||
_FP_FRAC_WORD_4(R,3), _FP_FRAC_WORD_4(R,2)); \
|
||||
} while (0)
|
||||
|
||||
#define _FP_MUL_MEAT_2_wide_3mul(wfracbits, R, X, Y, doit) \
|
||||
do { \
|
||||
_FP_FRAC_DECL_4(_z); \
|
||||
\
|
||||
_FP_MUL_MEAT_DW_2_wide_3mul(wfracbits, _z, X, Y, doit); \
|
||||
\
|
||||
/* Normalize since we know where the msb of the multiplicands \
|
||||
were (bit B), we know that the msb of the of the product is \
|
||||
@ -327,14 +343,20 @@
|
||||
R##_f1 = _FP_FRAC_WORD_4(_z,1); \
|
||||
} while (0)
|
||||
|
||||
#define _FP_MUL_MEAT_2_gmp(wfracbits, R, X, Y) \
|
||||
#define _FP_MUL_MEAT_DW_2_gmp(wfracbits, R, X, Y) \
|
||||
do { \
|
||||
_FP_FRAC_DECL_4(_z); \
|
||||
_FP_W_TYPE _x[2], _y[2]; \
|
||||
_x[0] = X##_f0; _x[1] = X##_f1; \
|
||||
_y[0] = Y##_f0; _y[1] = Y##_f1; \
|
||||
\
|
||||
mpn_mul_n(_z_f, _x, _y, 2); \
|
||||
mpn_mul_n(R##_f, _x, _y, 2); \
|
||||
} while (0)
|
||||
|
||||
#define _FP_MUL_MEAT_2_gmp(wfracbits, R, X, Y) \
|
||||
do { \
|
||||
_FP_FRAC_DECL_4(_z); \
|
||||
\
|
||||
_FP_MUL_MEAT_DW_2_gmp(wfracbits, _z, X, Y); \
|
||||
\
|
||||
/* Normalize since we know where the msb of the multiplicands \
|
||||
were (bit B), we know that the msb of the of the product is \
|
||||
|
128
soft-fp/op-4.h
128
soft-fp/op-4.h
@ -142,6 +142,8 @@
|
||||
#define _FP_FRAC_ZEROP_4(X) ((X##_f[0] | X##_f[1] | X##_f[2] | X##_f[3]) == 0)
|
||||
#define _FP_FRAC_NEGP_4(X) ((_FP_WS_TYPE)X##_f[3] < 0)
|
||||
#define _FP_FRAC_OVERP_4(fs,X) (_FP_FRAC_HIGH_##fs(X) & _FP_OVERFLOW_##fs)
|
||||
#define _FP_FRAC_HIGHBIT_DW_4(fs,X) \
|
||||
(_FP_FRAC_HIGH_DW_##fs(X) & _FP_HIGHBIT_DW_##fs)
|
||||
#define _FP_FRAC_CLEAR_OVERP_4(fs,X) (_FP_FRAC_HIGH_##fs(X) &= ~_FP_OVERFLOW_##fs)
|
||||
|
||||
#define _FP_FRAC_EQ_4(X,Y) \
|
||||
@ -246,81 +248,88 @@
|
||||
|
||||
/* Given a 1W * 1W => 2W primitive, do the extended multiplication. */
|
||||
|
||||
#define _FP_MUL_MEAT_4_wide(wfracbits, R, X, Y, doit) \
|
||||
#define _FP_MUL_MEAT_DW_4_wide(wfracbits, R, X, Y, doit) \
|
||||
do { \
|
||||
_FP_FRAC_DECL_8(_z); _FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c); \
|
||||
_FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c); \
|
||||
_FP_FRAC_DECL_2(_d); _FP_FRAC_DECL_2(_e); _FP_FRAC_DECL_2(_f); \
|
||||
\
|
||||
doit(_FP_FRAC_WORD_8(_z,1), _FP_FRAC_WORD_8(_z,0), X##_f[0], Y##_f[0]); \
|
||||
doit(_FP_FRAC_WORD_8(R,1), _FP_FRAC_WORD_8(R,0), X##_f[0], Y##_f[0]); \
|
||||
doit(_b_f1, _b_f0, X##_f[0], Y##_f[1]); \
|
||||
doit(_c_f1, _c_f0, X##_f[1], Y##_f[0]); \
|
||||
doit(_d_f1, _d_f0, X##_f[1], Y##_f[1]); \
|
||||
doit(_e_f1, _e_f0, X##_f[0], Y##_f[2]); \
|
||||
doit(_f_f1, _f_f0, X##_f[2], Y##_f[0]); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,3),_FP_FRAC_WORD_8(_z,2), \
|
||||
_FP_FRAC_WORD_8(_z,1), 0,_b_f1,_b_f0, \
|
||||
0,0,_FP_FRAC_WORD_8(_z,1)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,3),_FP_FRAC_WORD_8(_z,2), \
|
||||
_FP_FRAC_WORD_8(_z,1), 0,_c_f1,_c_f0, \
|
||||
_FP_FRAC_WORD_8(_z,3),_FP_FRAC_WORD_8(_z,2), \
|
||||
_FP_FRAC_WORD_8(_z,1)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3), \
|
||||
_FP_FRAC_WORD_8(_z,2), 0,_d_f1,_d_f0, \
|
||||
0,_FP_FRAC_WORD_8(_z,3),_FP_FRAC_WORD_8(_z,2)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3), \
|
||||
_FP_FRAC_WORD_8(_z,2), 0,_e_f1,_e_f0, \
|
||||
_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3), \
|
||||
_FP_FRAC_WORD_8(_z,2)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3), \
|
||||
_FP_FRAC_WORD_8(_z,2), 0,_f_f1,_f_f0, \
|
||||
_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3), \
|
||||
_FP_FRAC_WORD_8(_z,2)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,3),_FP_FRAC_WORD_8(R,2), \
|
||||
_FP_FRAC_WORD_8(R,1), 0,_b_f1,_b_f0, \
|
||||
0,0,_FP_FRAC_WORD_8(R,1)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,3),_FP_FRAC_WORD_8(R,2), \
|
||||
_FP_FRAC_WORD_8(R,1), 0,_c_f1,_c_f0, \
|
||||
_FP_FRAC_WORD_8(R,3),_FP_FRAC_WORD_8(R,2), \
|
||||
_FP_FRAC_WORD_8(R,1)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,4),_FP_FRAC_WORD_8(R,3), \
|
||||
_FP_FRAC_WORD_8(R,2), 0,_d_f1,_d_f0, \
|
||||
0,_FP_FRAC_WORD_8(R,3),_FP_FRAC_WORD_8(R,2)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,4),_FP_FRAC_WORD_8(R,3), \
|
||||
_FP_FRAC_WORD_8(R,2), 0,_e_f1,_e_f0, \
|
||||
_FP_FRAC_WORD_8(R,4),_FP_FRAC_WORD_8(R,3), \
|
||||
_FP_FRAC_WORD_8(R,2)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,4),_FP_FRAC_WORD_8(R,3), \
|
||||
_FP_FRAC_WORD_8(R,2), 0,_f_f1,_f_f0, \
|
||||
_FP_FRAC_WORD_8(R,4),_FP_FRAC_WORD_8(R,3), \
|
||||
_FP_FRAC_WORD_8(R,2)); \
|
||||
doit(_b_f1, _b_f0, X##_f[0], Y##_f[3]); \
|
||||
doit(_c_f1, _c_f0, X##_f[3], Y##_f[0]); \
|
||||
doit(_d_f1, _d_f0, X##_f[1], Y##_f[2]); \
|
||||
doit(_e_f1, _e_f0, X##_f[2], Y##_f[1]); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
|
||||
_FP_FRAC_WORD_8(_z,3), 0,_b_f1,_b_f0, \
|
||||
0,_FP_FRAC_WORD_8(_z,4),_FP_FRAC_WORD_8(_z,3)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
|
||||
_FP_FRAC_WORD_8(_z,3), 0,_c_f1,_c_f0, \
|
||||
_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
|
||||
_FP_FRAC_WORD_8(_z,3)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
|
||||
_FP_FRAC_WORD_8(_z,3), 0,_d_f1,_d_f0, \
|
||||
_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
|
||||
_FP_FRAC_WORD_8(_z,3)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
|
||||
_FP_FRAC_WORD_8(_z,3), 0,_e_f1,_e_f0, \
|
||||
_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4), \
|
||||
_FP_FRAC_WORD_8(_z,3)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,5),_FP_FRAC_WORD_8(R,4), \
|
||||
_FP_FRAC_WORD_8(R,3), 0,_b_f1,_b_f0, \
|
||||
0,_FP_FRAC_WORD_8(R,4),_FP_FRAC_WORD_8(R,3)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,5),_FP_FRAC_WORD_8(R,4), \
|
||||
_FP_FRAC_WORD_8(R,3), 0,_c_f1,_c_f0, \
|
||||
_FP_FRAC_WORD_8(R,5),_FP_FRAC_WORD_8(R,4), \
|
||||
_FP_FRAC_WORD_8(R,3)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,5),_FP_FRAC_WORD_8(R,4), \
|
||||
_FP_FRAC_WORD_8(R,3), 0,_d_f1,_d_f0, \
|
||||
_FP_FRAC_WORD_8(R,5),_FP_FRAC_WORD_8(R,4), \
|
||||
_FP_FRAC_WORD_8(R,3)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,5),_FP_FRAC_WORD_8(R,4), \
|
||||
_FP_FRAC_WORD_8(R,3), 0,_e_f1,_e_f0, \
|
||||
_FP_FRAC_WORD_8(R,5),_FP_FRAC_WORD_8(R,4), \
|
||||
_FP_FRAC_WORD_8(R,3)); \
|
||||
doit(_b_f1, _b_f0, X##_f[2], Y##_f[2]); \
|
||||
doit(_c_f1, _c_f0, X##_f[1], Y##_f[3]); \
|
||||
doit(_d_f1, _d_f0, X##_f[3], Y##_f[1]); \
|
||||
doit(_e_f1, _e_f0, X##_f[2], Y##_f[3]); \
|
||||
doit(_f_f1, _f_f0, X##_f[3], Y##_f[2]); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5), \
|
||||
_FP_FRAC_WORD_8(_z,4), 0,_b_f1,_b_f0, \
|
||||
0,_FP_FRAC_WORD_8(_z,5),_FP_FRAC_WORD_8(_z,4)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5), \
|
||||
_FP_FRAC_WORD_8(_z,4), 0,_c_f1,_c_f0, \
|
||||
_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5), \
|
||||
_FP_FRAC_WORD_8(_z,4)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5), \
|
||||
_FP_FRAC_WORD_8(_z,4), 0,_d_f1,_d_f0, \
|
||||
_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5), \
|
||||
_FP_FRAC_WORD_8(_z,4)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6), \
|
||||
_FP_FRAC_WORD_8(_z,5), 0,_e_f1,_e_f0, \
|
||||
0,_FP_FRAC_WORD_8(_z,6),_FP_FRAC_WORD_8(_z,5)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6), \
|
||||
_FP_FRAC_WORD_8(_z,5), 0,_f_f1,_f_f0, \
|
||||
_FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6), \
|
||||
_FP_FRAC_WORD_8(_z,5)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,6),_FP_FRAC_WORD_8(R,5), \
|
||||
_FP_FRAC_WORD_8(R,4), 0,_b_f1,_b_f0, \
|
||||
0,_FP_FRAC_WORD_8(R,5),_FP_FRAC_WORD_8(R,4)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,6),_FP_FRAC_WORD_8(R,5), \
|
||||
_FP_FRAC_WORD_8(R,4), 0,_c_f1,_c_f0, \
|
||||
_FP_FRAC_WORD_8(R,6),_FP_FRAC_WORD_8(R,5), \
|
||||
_FP_FRAC_WORD_8(R,4)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,6),_FP_FRAC_WORD_8(R,5), \
|
||||
_FP_FRAC_WORD_8(R,4), 0,_d_f1,_d_f0, \
|
||||
_FP_FRAC_WORD_8(R,6),_FP_FRAC_WORD_8(R,5), \
|
||||
_FP_FRAC_WORD_8(R,4)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,7),_FP_FRAC_WORD_8(R,6), \
|
||||
_FP_FRAC_WORD_8(R,5), 0,_e_f1,_e_f0, \
|
||||
0,_FP_FRAC_WORD_8(R,6),_FP_FRAC_WORD_8(R,5)); \
|
||||
__FP_FRAC_ADD_3(_FP_FRAC_WORD_8(R,7),_FP_FRAC_WORD_8(R,6), \
|
||||
_FP_FRAC_WORD_8(R,5), 0,_f_f1,_f_f0, \
|
||||
_FP_FRAC_WORD_8(R,7),_FP_FRAC_WORD_8(R,6), \
|
||||
_FP_FRAC_WORD_8(R,5)); \
|
||||
doit(_b_f1, _b_f0, X##_f[3], Y##_f[3]); \
|
||||
__FP_FRAC_ADD_2(_FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6), \
|
||||
__FP_FRAC_ADD_2(_FP_FRAC_WORD_8(R,7),_FP_FRAC_WORD_8(R,6), \
|
||||
_b_f1,_b_f0, \
|
||||
_FP_FRAC_WORD_8(_z,7),_FP_FRAC_WORD_8(_z,6)); \
|
||||
_FP_FRAC_WORD_8(R,7),_FP_FRAC_WORD_8(R,6)); \
|
||||
} while (0)
|
||||
|
||||
#define _FP_MUL_MEAT_4_wide(wfracbits, R, X, Y, doit) \
|
||||
do { \
|
||||
_FP_FRAC_DECL_8(_z); \
|
||||
\
|
||||
_FP_MUL_MEAT_DW_4_wide(wfracbits, _z, X, Y, doit); \
|
||||
\
|
||||
/* Normalize since we know where the msb of the multiplicands \
|
||||
were (bit B), we know that the msb of the of the product is \
|
||||
@ -330,11 +339,16 @@
|
||||
_FP_FRAC_WORD_8(_z,1), _FP_FRAC_WORD_8(_z,0)); \
|
||||
} while (0)
|
||||
|
||||
#define _FP_MUL_MEAT_DW_4_gmp(wfracbits, R, X, Y) \
|
||||
do { \
|
||||
mpn_mul_n(R##_f, _x_f, _y_f, 4); \
|
||||
} while (0)
|
||||
|
||||
#define _FP_MUL_MEAT_4_gmp(wfracbits, R, X, Y) \
|
||||
do { \
|
||||
_FP_FRAC_DECL_8(_z); \
|
||||
\
|
||||
mpn_mul_n(_z_f, _x_f, _y_f, 4); \
|
||||
_FP_MUL_MEAT_DW_4_gmp(wfracbits, _z, X, Y); \
|
||||
\
|
||||
/* Normalize since we know where the msb of the multiplicands \
|
||||
were (bit B), we know that the msb of the of the product is \
|
||||
|
@ -847,6 +847,217 @@ do { \
|
||||
} while (0)
|
||||
|
||||
|
||||
/* Fused multiply-add. The input values should be cooked. */
|
||||
|
||||
#define _FP_FMA(fs, wc, dwc, R, X, Y, Z) \
|
||||
do { \
|
||||
FP_DECL_##fs(T); \
|
||||
T##_s = X##_s ^ Y##_s; \
|
||||
T##_e = X##_e + Y##_e + 1; \
|
||||
switch (_FP_CLS_COMBINE(X##_c, Y##_c)) \
|
||||
{ \
|
||||
case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NORMAL): \
|
||||
switch (Z##_c) \
|
||||
{ \
|
||||
case FP_CLS_INF: \
|
||||
case FP_CLS_NAN: \
|
||||
R##_s = Z##_s; \
|
||||
_FP_FRAC_COPY_##wc(R, Z); \
|
||||
R##_c = Z##_c; \
|
||||
break; \
|
||||
\
|
||||
case FP_CLS_ZERO: \
|
||||
R##_c = FP_CLS_NORMAL; \
|
||||
R##_s = T##_s; \
|
||||
R##_e = T##_e; \
|
||||
\
|
||||
_FP_MUL_MEAT_##fs(R, X, Y); \
|
||||
\
|
||||
if (_FP_FRAC_OVERP_##wc(fs, R)) \
|
||||
_FP_FRAC_SRS_##wc(R, 1, _FP_WFRACBITS_##fs); \
|
||||
else \
|
||||
R##_e--; \
|
||||
break; \
|
||||
\
|
||||
case FP_CLS_NORMAL:; \
|
||||
_FP_FRAC_DECL_##dwc(TD); \
|
||||
_FP_FRAC_DECL_##dwc(ZD); \
|
||||
_FP_FRAC_DECL_##dwc(RD); \
|
||||
_FP_MUL_MEAT_DW_##fs(TD, X, Y); \
|
||||
R##_e = T##_e; \
|
||||
int tsh = _FP_FRAC_HIGHBIT_DW_##dwc(fs, TD) == 0; \
|
||||
T##_e -= tsh; \
|
||||
int ediff = T##_e - Z##_e; \
|
||||
if (ediff >= 0) \
|
||||
{ \
|
||||
int shift = _FP_WFRACBITS_##fs - tsh - ediff; \
|
||||
if (shift <= -_FP_WFRACBITS_##fs) \
|
||||
_FP_FRAC_SET_##dwc(ZD, _FP_MINFRAC_##dwc); \
|
||||
else \
|
||||
{ \
|
||||
_FP_FRAC_COPY_##dwc##_##wc(ZD, Z); \
|
||||
if (shift < 0) \
|
||||
_FP_FRAC_SRS_##dwc(ZD, -shift, \
|
||||
_FP_WFRACBITS_DW_##fs); \
|
||||
else if (shift > 0) \
|
||||
_FP_FRAC_SLL_##dwc(ZD, shift); \
|
||||
} \
|
||||
R##_s = T##_s; \
|
||||
if (T##_s == Z##_s) \
|
||||
_FP_FRAC_ADD_##dwc(RD, TD, ZD); \
|
||||
else \
|
||||
{ \
|
||||
_FP_FRAC_SUB_##dwc(RD, TD, ZD); \
|
||||
if (_FP_FRAC_NEGP_##dwc(RD)) \
|
||||
{ \
|
||||
R##_s = Z##_s; \
|
||||
_FP_FRAC_SUB_##dwc(RD, ZD, TD); \
|
||||
} \
|
||||
} \
|
||||
} \
|
||||
else \
|
||||
{ \
|
||||
R##_e = Z##_e; \
|
||||
R##_s = Z##_s; \
|
||||
_FP_FRAC_COPY_##dwc##_##wc(ZD, Z); \
|
||||
_FP_FRAC_SLL_##dwc(ZD, _FP_WFRACBITS_##fs); \
|
||||
int shift = -ediff - tsh; \
|
||||
if (shift >= _FP_WFRACBITS_DW_##fs) \
|
||||
_FP_FRAC_SET_##dwc(TD, _FP_MINFRAC_##dwc); \
|
||||
else if (shift > 0) \
|
||||
_FP_FRAC_SRS_##dwc(TD, shift, \
|
||||
_FP_WFRACBITS_DW_##fs); \
|
||||
if (Z##_s == T##_s) \
|
||||
_FP_FRAC_ADD_##dwc(RD, ZD, TD); \
|
||||
else \
|
||||
_FP_FRAC_SUB_##dwc(RD, ZD, TD); \
|
||||
} \
|
||||
if (_FP_FRAC_ZEROP_##dwc(RD)) \
|
||||
{ \
|
||||
if (T##_s == Z##_s) \
|
||||
R##_s = Z##_s; \
|
||||
else \
|
||||
R##_s = (FP_ROUNDMODE == FP_RND_MINF); \
|
||||
_FP_FRAC_SET_##wc(R, _FP_ZEROFRAC_##wc); \
|
||||
R##_c = FP_CLS_ZERO; \
|
||||
} \
|
||||
else \
|
||||
{ \
|
||||
int rlz; \
|
||||
_FP_FRAC_CLZ_##dwc(rlz, RD); \
|
||||
rlz -= _FP_WFRACXBITS_DW_##fs; \
|
||||
R##_e -= rlz; \
|
||||
int shift = _FP_WFRACBITS_##fs - rlz; \
|
||||
if (shift > 0) \
|
||||
_FP_FRAC_SRS_##dwc(RD, shift, \
|
||||
_FP_WFRACBITS_DW_##fs); \
|
||||
else if (shift < 0) \
|
||||
_FP_FRAC_SLL_##dwc(RD, -shift); \
|
||||
_FP_FRAC_COPY_##wc##_##dwc(R, RD); \
|
||||
R##_c = FP_CLS_NORMAL; \
|
||||
} \
|
||||
break; \
|
||||
} \
|
||||
goto done_fma; \
|
||||
\
|
||||
case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN): \
|
||||
_FP_CHOOSENAN(fs, wc, T, X, Y, '*'); \
|
||||
break; \
|
||||
\
|
||||
case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO): \
|
||||
T##_s = X##_s; \
|
||||
\
|
||||
case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \
|
||||
_FP_FRAC_COPY_##wc(T, X); \
|
||||
T##_c = X##_c; \
|
||||
break; \
|
||||
\
|
||||
case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN): \
|
||||
T##_s = Y##_s; \
|
||||
\
|
||||
case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO): \
|
||||
_FP_FRAC_COPY_##wc(T, Y); \
|
||||
T##_c = Y##_c; \
|
||||
break; \
|
||||
\
|
||||
case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF): \
|
||||
T##_s = _FP_NANSIGN_##fs; \
|
||||
T##_c = FP_CLS_NAN; \
|
||||
_FP_FRAC_SET_##wc(T, _FP_NANFRAC_##fs); \
|
||||
FP_SET_EXCEPTION(FP_EX_INVALID); \
|
||||
break; \
|
||||
\
|
||||
default: \
|
||||
abort(); \
|
||||
} \
|
||||
\
|
||||
/* T = X * Y is zero, infinity or NaN. */ \
|
||||
switch (_FP_CLS_COMBINE(T##_c, Z##_c)) \
|
||||
{ \
|
||||
case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN): \
|
||||
_FP_CHOOSENAN(fs, wc, R, T, Z, '+'); \
|
||||
break; \
|
||||
\
|
||||
case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO): \
|
||||
R##_s = T##_s; \
|
||||
_FP_FRAC_COPY_##wc(R, T); \
|
||||
R##_c = T##_c; \
|
||||
break; \
|
||||
\
|
||||
case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL): \
|
||||
case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF): \
|
||||
R##_s = Z##_s; \
|
||||
_FP_FRAC_COPY_##wc(R, Z); \
|
||||
R##_c = Z##_c; \
|
||||
break; \
|
||||
\
|
||||
case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF): \
|
||||
if (T##_s == Z##_s) \
|
||||
{ \
|
||||
R##_s = Z##_s; \
|
||||
_FP_FRAC_COPY_##wc(R, Z); \
|
||||
R##_c = Z##_c; \
|
||||
} \
|
||||
else \
|
||||
{ \
|
||||
R##_s = _FP_NANSIGN_##fs; \
|
||||
R##_c = FP_CLS_NAN; \
|
||||
_FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \
|
||||
FP_SET_EXCEPTION(FP_EX_INVALID); \
|
||||
} \
|
||||
break; \
|
||||
\
|
||||
case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \
|
||||
if (T##_s == Z##_s) \
|
||||
R##_s = Z##_s; \
|
||||
else \
|
||||
R##_s = (FP_ROUNDMODE == FP_RND_MINF); \
|
||||
_FP_FRAC_COPY_##wc(R, Z); \
|
||||
R##_c = Z##_c; \
|
||||
break; \
|
||||
\
|
||||
default: \
|
||||
abort(); \
|
||||
} \
|
||||
done_fma: ; \
|
||||
} while (0)
|
||||
|
||||
|
||||
/*
|
||||
* Main division routine. The input values should be cooked.
|
||||
*/
|
||||
|
@ -36,8 +36,10 @@
|
||||
|
||||
#if _FP_W_TYPE_SIZE < 64
|
||||
#define _FP_FRACTBITS_Q (4*_FP_W_TYPE_SIZE)
|
||||
#define _FP_FRACTBITS_DW_Q (8*_FP_W_TYPE_SIZE)
|
||||
#else
|
||||
#define _FP_FRACTBITS_Q (2*_FP_W_TYPE_SIZE)
|
||||
#define _FP_FRACTBITS_DW_Q (4*_FP_W_TYPE_SIZE)
|
||||
#endif
|
||||
|
||||
#define _FP_FRACBITS_Q 113
|
||||
@ -59,6 +61,11 @@
|
||||
#define _FP_OVERFLOW_Q \
|
||||
((_FP_W_TYPE)1 << (_FP_WFRACBITS_Q % _FP_W_TYPE_SIZE))
|
||||
|
||||
#define _FP_WFRACBITS_DW_Q (2 * _FP_WFRACBITS_Q)
|
||||
#define _FP_WFRACXBITS_DW_Q (_FP_FRACTBITS_DW_Q - _FP_WFRACBITS_DW_Q)
|
||||
#define _FP_HIGHBIT_DW_Q \
|
||||
((_FP_W_TYPE)1 << (_FP_WFRACBITS_DW_Q - 1) % _FP_W_TYPE_SIZE)
|
||||
|
||||
typedef float TFtype __attribute__((mode(TF)));
|
||||
|
||||
#if _FP_W_TYPE_SIZE < 64
|
||||
@ -155,6 +162,7 @@ union _FP_UNION_Q
|
||||
#define FP_DIV_Q(R,X,Y) _FP_DIV(Q,4,R,X,Y)
|
||||
#define FP_SQRT_Q(R,X) _FP_SQRT(Q,4,R,X)
|
||||
#define _FP_SQRT_MEAT_Q(R,S,T,X,Q) _FP_SQRT_MEAT_4(R,S,T,X,Q)
|
||||
#define FP_FMA_Q(R,X,Y,Z) _FP_FMA(Q,4,8,R,X,Y,Z)
|
||||
|
||||
#define FP_CMP_Q(r,X,Y,un) _FP_CMP(Q,4,r,X,Y,un)
|
||||
#define FP_CMP_EQ_Q(r,X,Y) _FP_CMP_EQ(Q,4,r,X,Y)
|
||||
@ -166,6 +174,8 @@ union _FP_UNION_Q
|
||||
#define _FP_FRAC_HIGH_Q(X) _FP_FRAC_HIGH_4(X)
|
||||
#define _FP_FRAC_HIGH_RAW_Q(X) _FP_FRAC_HIGH_4(X)
|
||||
|
||||
#define _FP_FRAC_HIGH_DW_Q(X) _FP_FRAC_HIGH_8(X)
|
||||
|
||||
#else /* not _FP_W_TYPE_SIZE < 64 */
|
||||
union _FP_UNION_Q
|
||||
{
|
||||
@ -256,6 +266,7 @@ union _FP_UNION_Q
|
||||
#define FP_DIV_Q(R,X,Y) _FP_DIV(Q,2,R,X,Y)
|
||||
#define FP_SQRT_Q(R,X) _FP_SQRT(Q,2,R,X)
|
||||
#define _FP_SQRT_MEAT_Q(R,S,T,X,Q) _FP_SQRT_MEAT_2(R,S,T,X,Q)
|
||||
#define FP_FMA_Q(R,X,Y,Z) _FP_FMA(Q,2,4,R,X,Y,Z)
|
||||
|
||||
#define FP_CMP_Q(r,X,Y,un) _FP_CMP(Q,2,r,X,Y,un)
|
||||
#define FP_CMP_EQ_Q(r,X,Y) _FP_CMP_EQ(Q,2,r,X,Y)
|
||||
@ -267,4 +278,6 @@ union _FP_UNION_Q
|
||||
#define _FP_FRAC_HIGH_Q(X) _FP_FRAC_HIGH_2(X)
|
||||
#define _FP_FRAC_HIGH_RAW_Q(X) _FP_FRAC_HIGH_2(X)
|
||||
|
||||
#define _FP_FRAC_HIGH_DW_Q(X) _FP_FRAC_HIGH_4(X)
|
||||
|
||||
#endif /* not _FP_W_TYPE_SIZE < 64 */
|
||||
|
@ -36,6 +36,12 @@
|
||||
|
||||
#define _FP_FRACTBITS_S _FP_W_TYPE_SIZE
|
||||
|
||||
#if _FP_W_TYPE_SIZE < 64
|
||||
# define _FP_FRACTBITS_DW_S (2 * _FP_W_TYPE_SIZE)
|
||||
#else
|
||||
# define _FP_FRACTBITS_DW_S _FP_W_TYPE_SIZE
|
||||
#endif
|
||||
|
||||
#define _FP_FRACBITS_S 24
|
||||
#define _FP_FRACXBITS_S (_FP_FRACTBITS_S - _FP_FRACBITS_S)
|
||||
#define _FP_WFRACBITS_S (_FP_WORKBITS + _FP_FRACBITS_S)
|
||||
@ -49,6 +55,11 @@
|
||||
#define _FP_IMPLBIT_SH_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-1+_FP_WORKBITS))
|
||||
#define _FP_OVERFLOW_S ((_FP_W_TYPE)1 << (_FP_WFRACBITS_S))
|
||||
|
||||
#define _FP_WFRACBITS_DW_S (2 * _FP_WFRACBITS_S)
|
||||
#define _FP_WFRACXBITS_DW_S (_FP_FRACTBITS_DW_S - _FP_WFRACBITS_DW_S)
|
||||
#define _FP_HIGHBIT_DW_S \
|
||||
((_FP_W_TYPE)1 << (_FP_WFRACBITS_DW_S - 1) % _FP_W_TYPE_SIZE)
|
||||
|
||||
/* The implementation of _FP_MUL_MEAT_S and _FP_DIV_MEAT_S should be
|
||||
chosen by the target machine. */
|
||||
|
||||
@ -139,6 +150,12 @@ union _FP_UNION_S
|
||||
#define FP_SQRT_S(R,X) _FP_SQRT(S,1,R,X)
|
||||
#define _FP_SQRT_MEAT_S(R,S,T,X,Q) _FP_SQRT_MEAT_1(R,S,T,X,Q)
|
||||
|
||||
#if _FP_W_TYPE_SIZE < 64
|
||||
# define FP_FMA_S(R, X, Y, Z) _FP_FMA(S, 1, 2, R, X, Y, Z)
|
||||
#else
|
||||
# define FP_FMA_S(R, X, Y, Z) _FP_FMA(S, 1, 1, R, X, Y, Z)
|
||||
#endif
|
||||
|
||||
#define FP_CMP_S(r,X,Y,un) _FP_CMP(S,1,r,X,Y,un)
|
||||
#define FP_CMP_EQ_S(r,X,Y) _FP_CMP_EQ(S,1,r,X,Y)
|
||||
#define FP_CMP_UNORD_S(r,X,Y) _FP_CMP_UNORD(S,1,r,X,Y)
|
||||
@ -148,3 +165,9 @@ union _FP_UNION_S
|
||||
|
||||
#define _FP_FRAC_HIGH_S(X) _FP_FRAC_HIGH_1(X)
|
||||
#define _FP_FRAC_HIGH_RAW_S(X) _FP_FRAC_HIGH_1(X)
|
||||
|
||||
#if _FP_W_TYPE_SIZE < 64
|
||||
# define _FP_FRAC_HIGH_DW_S(X) _FP_FRAC_HIGH_2(X)
|
||||
#else
|
||||
# define _FP_FRAC_HIGH_DW_S(X) _FP_FRAC_HIGH_1(X)
|
||||
#endif
|
||||
|
Loading…
Reference in New Issue
Block a user