diff options
Diffstat (limited to 'debian/patches/pr39491.diff')
| -rw-r--r-- | debian/patches/pr39491.diff | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/debian/patches/pr39491.diff b/debian/patches/pr39491.diff new file mode 100644 index 0000000..4c51820 --- /dev/null +++ b/debian/patches/pr39491.diff @@ -0,0 +1,132 @@ +# DP: Proposed patch for PR libstdc++/39491. + +2009-04-16 Benjamin Kosnik <bkoz@redhat.com> + + * src/math_stubs_long_double.cc (__signbitl): Add for hppa linux only. + +Index: a/src/libstdc++-v3/src/math_stubs_long_double.cc +=================================================================== +--- a/src/libstdc++-v3/src/math_stubs_long_double.cc (revision 146216) ++++ b/src/libstdc++-v3/src/math_stubs_long_double.cc (working copy) +@@ -213,4 +221,111 @@ + return tanh((double) x); + } + #endif ++ ++ // From libmath/signbitl.c ++ // XXX ABI mistakenly exported ++#if defined (__hppa__) && defined (__linux__) ++# include <endian.h> ++# include <float.h> ++ ++typedef unsigned int U_int32_t __attribute ((mode (SI))); ++typedef int Int32_t __attribute ((mode (SI))); ++typedef unsigned int U_int64_t __attribute ((mode (DI))); ++typedef int Int64_t __attribute ((mode (DI))); ++ ++#if BYTE_ORDER == BIG_ENDIAN ++typedef union ++{ ++ long double value; ++ struct ++ { ++ unsigned int sign_exponent:16; ++ unsigned int empty:16; ++ U_int32_t msw; ++ U_int32_t lsw; ++ } parts; ++} ieee_long_double_shape_type; ++#endif ++#if BYTE_ORDER == LITTLE_ENDIAN ++typedef union ++{ ++ long double value; ++ struct ++ { ++ U_int32_t lsw; ++ U_int32_t msw; ++ unsigned int sign_exponent:16; ++ unsigned int empty:16; ++ } parts; ++} ieee_long_double_shape_type; ++#endif ++ ++/* Get int from the exponent of a long double. */ ++#define GET_LDOUBLE_EXP(exp,d) \ ++do { \ ++ ieee_long_double_shape_type ge_u; \ ++ ge_u.value = (d); \ ++ (exp) = ge_u.parts.sign_exponent; \ ++} while (0) ++ ++#if BYTE_ORDER == BIG_ENDIAN ++typedef union ++{ ++ long double value; ++ struct ++ { ++ U_int64_t msw; ++ U_int64_t lsw; ++ } parts64; ++ struct ++ { ++ U_int32_t w0, w1, w2, w3; ++ } parts32; ++} ieee_quad_double_shape_type; ++#endif ++ ++#if BYTE_ORDER == LITTLE_ENDIAN ++typedef union ++{ ++ long double value; ++ struct ++ { ++ U_int64_t lsw; ++ U_int64_t msw; ++ } parts64; ++ struct ++ { ++ U_int32_t w3, w2, w1, w0; ++ } parts32; ++} ieee_quad_double_shape_type; ++#endif ++ ++/* Get most significant 64 bit int from a quad long double. */ ++#define GET_LDOUBLE_MSW64(msw,d) \ ++do { \ ++ ieee_quad_double_shape_type qw_u; \ ++ qw_u.value = (d); \ ++ (msw) = qw_u.parts64.msw; \ ++} while (0) ++ ++int ++__signbitl (long double x) ++{ ++#if LDBL_MANT_DIG == 113 ++ Int64_t msw; ++ ++ GET_LDOUBLE_MSW64 (msw, x); ++ return msw < 0; ++#else ++ Int32_t e; ++ ++ GET_LDOUBLE_EXP (e, x); ++ return e & 0x8000; ++#endif ++} ++#endif ++ ++#ifndef _GLIBCXX_HAVE___SIGNBITL ++ ++#endif + } // extern "C" +--- a/src/libstdc++-v3/config/abi/pre/gnu.ver~ 2009-04-10 01:23:07.000000000 +0200 ++++ b/src/libstdc++-v3/config/abi/pre/gnu.ver 2009-04-21 16:24:24.000000000 +0200 +@@ -635,6 +635,7 @@ + sqrtf; + sqrtl; + copysignf; ++ __signbitl; + + # GLIBCXX_ABI compatibility only. + # std::string |