1ec601bf9f
/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* Makefile.def: Add libquadmath; build it with language=fortran.
* configure.ac: Add libquadmath.
* Makefile.tpl: Handle multiple libs in check-[+language+].
* Makefile.in: Regenerate.
* configure: Regenerate.
libquadmath/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
Initial implementation and checkin.
gcc/fortran/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* gfortranspec.c (find_spec_file): New function.
(lang_specific_driver): Try to find .spec file and use it.
* trans-io.c (iocall): Define
* IOCALL_X_REAL128/COMPLEX128(,write).
(gfc_build_io_library_fndecls): Build decl for __float128 I/O.
(transfer_expr): Call __float128 I/O functions.
* trans-types.c (gfc_init_kinds): Allow kind-16 belonging
to __float128.
gcc/testsuite/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* gfortran.dg/quad_1.f90: New.
* lib/gcc-defs.exp (gcc-set-multilib-library-path): Use also
compiler arguments.
* lib/gfortran.exp (gfortran_link_flags): Add libquadmath to
library search path; call gcc-set-multilib-library-path with
arguments such that libgfortran.spec is found.
(gfortran_init): Add path for libgfortran.spec to
GFORTRAN_UNDER_TEST.
libgomp/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* configure.ac:
* configure: Regenerate.
libgfortran/
2010-11-13 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
Tobias Burnus <burnus@net-b.de>
PR fortran/32049
* Makefile.am: Add missing pow_r16_i4.c, add transfer128.c,
link libquadmath, if used.
* acinclude.m4 (LIBGFOR_CHECK_FLOAT128): Add.
* configure.ac: Use it, touch spec file.
* gfortran.map: Add pow_r16_i4 and
transfer_(real,complex)128(,write) functions.
* intrinsics/cshift0.c (cshift0): Handle __float128 type.
* intrinsics/erfc_scaled_inc.c: Ditto.
* intrinsics/pack_generic.c (pack): Ditto
* intrinsics/spread_generic.c (spread): Ditto.
* intrinsics/unpack_generic.c (unpack1): Ditto.
* io/read.c (convert_real): Ditto.
* io/transfer.c: Update comments.
* io/transfer128.c: New file.
* io/write_float.def (write_float): Handle __float128 type.
* libgfortran.h: #include quadmath_weak.h, define __builtin_infq
and nanq.
* m4/mtype.m4: Handle __float128 type.
* runtime/in_pack_generic.c (internal_pack): Ditto.
* runtime/in_unpack_generic.c (internal_unpack): Ditto.
* kinds-override.h: New file.
* libgfortran.spec.in: Ditto.
* generated/pow_r16_i4.c: Generated.
* Makefile.in: Regenerate.
* configure: Regenerate.
* config.h: Regenerate.
* bessel_r10.c: Regenerate.
* bessel_r16.c: Regenerate.
* bessel_r4.c: Regenerate.
* bessel_r8.c: Regenerate.
* exponent_r16.c: Regenerate.
* fraction_r16.c: Regenerate.
* nearest_r16.c: Regenerate.
* norm2_r10.c: Regenerate.
* norm2_r16.c: Regenerate.
* norm2_r4.c: Regenerate.
* norm2_r8.c: Regenerate.
* rrspacing_r16.c: Regenerate.
* set_exponent_r16.c: Regenerate.
* spacing_r16.c: Regenerate.
Co-Authored-By: Tobias Burnus <burnus@net-b.de>
From-SVN: r166825
147 lines
3.3 KiB
C
147 lines
3.3 KiB
C
#ifndef QUADMATH_IMP_H
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#define QUADMATH_IMP_H
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#include <stdint.h>
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#include <stdlib.h>
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#include "quadmath.h"
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// Prototypes for internal functions
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extern int32_t rem_pio2q (__float128, __float128 *);
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extern void __kernel_sincosq (__float128, __float128, __float128 *, __float128 *, int);
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extern __float128 __kernel_sinq (__float128, __float128, int);
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extern __float128 __kernel_cosq (__float128, __float128);
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// Frankly, if you have __float128, you have 64-bit integers, right?
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#ifndef UINT64_C
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# error "No way!"
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#endif
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// If we don't have macros to know endianess, assume little endian
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#if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__)
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# define __LITTLE_ENDIAN__ 1
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#endif
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// Main union type we use to manipulate the floating-point type
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typedef union
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{
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__float128 value;
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struct
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{
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#if __BIG_ENDIAN__
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unsigned negative:1;
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unsigned exponent:15;
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uint64_t mant_high:48;
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uint64_t mant_low:64;
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#endif
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#if __LITTLE_ENDIAN__
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uint64_t mant_low:64;
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uint64_t mant_high:48;
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unsigned exponent:15;
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unsigned negative:1;
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#endif
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} ieee;
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struct
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{
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#if __BIG_ENDIAN__
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uint64_t high;
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uint64_t low;
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#endif
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#if __LITTLE_ENDIAN__
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uint64_t low;
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uint64_t high;
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#endif
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} words64;
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struct
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{
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#if __BIG_ENDIAN__
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uint32_t w0;
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uint32_t w1;
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uint32_t w2;
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uint32_t w3;
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#endif
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#if __LITTLE_ENDIAN__
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uint32_t w3;
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uint32_t w2;
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uint32_t w1;
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uint32_t w0;
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#endif
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} words32;
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struct
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{
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#if __BIG_ENDIAN__
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unsigned negative:1;
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unsigned exponent:15;
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unsigned quiet_nan:1;
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uint64_t mant_high:47;
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uint64_t mant_low:64;
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#endif
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#if __LITTLE_ENDIAN__
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uint64_t mant_low:64;
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uint64_t mant_high:47;
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unsigned quiet_nan:1;
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unsigned exponent:15;
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unsigned negative:1;
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#endif
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} nan;
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} ieee854_float128;
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/* Get two 64 bit ints from a long double. */
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#define GET_FLT128_WORDS64(ix0,ix1,d) \
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do { \
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ieee854_float128 u; \
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u.value = (d); \
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(ix0) = u.words64.high; \
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(ix1) = u.words64.low; \
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} while (0)
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/* Set a long double from two 64 bit ints. */
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#define SET_FLT128_WORDS64(d,ix0,ix1) \
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do { \
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ieee854_float128 u; \
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u.words64.high = (ix0); \
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u.words64.low = (ix1); \
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(d) = u.value; \
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} while (0)
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/* Get the more significant 64 bits of a long double mantissa. */
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#define GET_FLT128_MSW64(v,d) \
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do { \
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ieee854_float128 u; \
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u.value = (d); \
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(v) = u.words64.high; \
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} while (0)
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/* Set the more significant 64 bits of a long double mantissa from an int. */
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#define SET_FLT128_MSW64(d,v) \
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do { \
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ieee854_float128 u; \
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u.value = (d); \
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u.words64.high = (v); \
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(d) = u.value; \
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} while (0)
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/* Get the least significant 64 bits of a long double mantissa. */
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#define GET_FLT128_LSW64(v,d) \
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do { \
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ieee854_float128 u; \
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u.value = (d); \
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(v) = u.words64.low; \
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} while (0)
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#define IEEE854_FLOAT128_BIAS 0x3fff
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#endif
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