/

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.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@166825 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 108 insertions, 0 deletions

diff --git a/libquadmath/quadmath.h b/libquadmath/quadmath.h
new file mode 100644
index 00000000000..28dbe944703
--- /dev/null
+++ b/libquadmath/quadmath.h
@@ -0,0 +1,108 @@
+#ifndef QUADMATH_H
+#define QUADMATH_H
+
+#include <stdlib.h>
+
+// Define the complex type corresponding to __float128
+// ("_Complex __float128" is not allowed)
+typedef _Complex float __attribute__((mode(TC))) __complex128;
+
+
+// Prototypes for real functions
+extern __float128 acosq (__float128);
+extern __float128 acoshq (__float128);
+extern __float128 asinq (__float128);
+extern __float128 asinhq (__float128);
+extern __float128 atanq (__float128);
+extern __float128 atanhq (__float128);
+extern __float128 atan2q (__float128, __float128);
+extern __float128 cbrtq (const __float128);
+extern __float128 ceilq (__float128);
+extern __float128 copysignq (__float128, __float128);
+extern __float128 coshq (__float128);
+extern __float128 cosq (__float128);
+extern __float128 erfq (__float128);
+extern __float128 erfcq (__float128);
+extern __float128 expq (__float128);
+extern __float128 expm1q (__float128);
+extern __float128 fabsq (__float128);
+extern int finiteq (const __float128);
+extern __float128 floorq (__float128);
+extern __float128 fmodq (__float128, __float128);
+extern __float128 frexpq (__float128, int *);
+extern __float128 hypotq (__float128, __float128);
+extern int isinfq (__float128);
+extern int isnanq (const __float128);
+extern __float128 j0q (__float128);
+extern __float128 j1q (__float128);
+extern __float128 jnq (int, __float128);
+extern __float128 ldexpq (__float128, int);
+extern __float128 lgammaq (__float128);
+extern long long int llroundq (__float128);
+extern __float128 logq (__float128);
+extern __float128 log10q (__float128);
+extern __float128 log1pq (__float128);
+extern long int lroundq (__float128);
+extern __float128 modfq (__float128, __float128 *);
+extern __float128 nanq (const char *);
+extern __float128 nextafterq (__float128, __float128);
+extern __float128 powq (__float128, __float128);
+extern __float128 remainderq (__float128, __float128);
+extern __float128 rintq (__float128);
+extern __float128 roundq (__float128);
+extern __float128 scalblnq (__float128, long int);
+extern __float128 scalbnq (__float128, int);
+extern int signbitq (const __float128);
+extern void sincosq (__float128, __float128 *, __float128 *);
+extern __float128 sinhq (__float128);
+extern __float128 sinq (__float128);
+extern __float128 sqrtq (const __float128);
+extern __float128 tanq (__float128);
+extern __float128 tanhq (__float128);
+extern __float128 tgammaq (__float128);
+extern __float128 truncq (__float128);
+extern __float128 y0q (__float128);
+extern __float128 y1q (__float128);
+extern __float128 ynq (int, __float128);
+
+
+// Prototypes for complex functions
+extern __float128 cabsq (__complex128);
+extern __float128 cargq (__complex128);
+extern __complex128 ccosq (__complex128);
+extern __complex128 ccoshq (__complex128);
+extern __complex128 cexpq (__complex128);
+extern __complex128 cexpiq (__float128);
+extern __complex128 clogq (__complex128);
+extern __complex128 clog10q (__complex128);
+extern __complex128 cpowq (__complex128, __complex128);
+extern __complex128 csinq (__complex128);
+extern __complex128 csinhq (__complex128);
+extern __complex128 csqrtq (__complex128);
+extern __complex128 ctanq (__complex128);
+extern __complex128 ctanhq (__complex128);
+
+
+// Prototypes for our I/O functions
+extern int quadmath_strtopQ (const char *, char **, void *);
+extern void quadmath_dtoaq (char *, size_t, size_t, __float128);
+
+
+// Macros
+#define FLT128_MAX 1.18973149535723176508575932662800702e4932Q
+#define FLT128_MIN 3.36210314311209350626267781732175260e-4932Q
+#define FLT128_EPSILON 1.92592994438723585305597794258492732e-34Q
+#define FLT128_DENORM_MIN 6.475175119438025110924438958227646552e-4966Q
+#define FLT128_MANT_DIG 113
+#define FLT128_MIN_EXP (-16381)
+#define FLT128_MAX_EXP 16384
+// TODO -- One day, we need to add the following macros:
+// FLT128_DIG, FLT128_MIN_10_EXP, FLT128_MAX_10_EXP
+
+
+#define HUGE_VALQ __builtin_huge_valq()
+/* The following alternative is valid, but brings the warning:
+   (floating constant exceeds range of ‘__float128’)  */
+/* #define HUGE_VALQ (__extension__ 0x1.0p32767Q) */
+
+#endif