diff options
Diffstat (limited to 'bsp/meta-arm/meta-arm-toolchain/recipes-devtools/gcc/gcc-arm-8.2/0034-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch')
| -rw-r--r-- | bsp/meta-arm/meta-arm-toolchain/recipes-devtools/gcc/gcc-arm-8.2/0034-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch | 465 |
1 files changed, 465 insertions, 0 deletions
diff --git a/bsp/meta-arm/meta-arm-toolchain/recipes-devtools/gcc/gcc-arm-8.2/0034-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch b/bsp/meta-arm/meta-arm-toolchain/recipes-devtools/gcc/gcc-arm-8.2/0034-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch new file mode 100644 index 00000000..391cda71 --- /dev/null +++ b/bsp/meta-arm/meta-arm-toolchain/recipes-devtools/gcc/gcc-arm-8.2/0034-libgcc-Add-knob-to-use-ldbl-128-on-ppc.patch @@ -0,0 +1,465 @@ +From faf35e26740461fe1a1da5433d5a0169a663e3b5 Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Fri, 29 Apr 2016 20:03:28 +0000 +Subject: [PATCH 34/39] libgcc: Add knob to use ldbl-128 on ppc + +musl does not support ldbl 128 so we can not assume +that linux as a whole supports ldbl-128 bits, instead +act upon configure option passed to gcc and assume no +on musl and yes otherwise if no option is passed since +default behaviour is to assume ldbl128 it does not +change the defaults + +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- +Upstream-Status: Pending + + libgcc/Makefile.in | 1 + + libgcc/config/rs6000/t-linux | 5 ++++- + libgcc/configure | 18 ++++++++++++++++++ + libgcc/configure.ac | 12 ++++++++++++ + 4 files changed, 35 insertions(+), 1 deletion(-) + mode change 100644 => 100755 libgcc/configure + +diff --git a/libgcc/Makefile.in b/libgcc/Makefile.in +index dd8cee99fd3..b5f478af382 100644 +--- a/libgcc/Makefile.in ++++ b/libgcc/Makefile.in +@@ -48,6 +48,7 @@ unwind_header = @unwind_header@ + md_unwind_header = @md_unwind_header@ + sfp_machine_header = @sfp_machine_header@ + thread_header = @thread_header@ ++with_ldbl128 = @with_ldbl128@ + + host_noncanonical = @host_noncanonical@ + real_host_noncanonical = @real_host_noncanonical@ +diff --git a/libgcc/config/rs6000/t-linux b/libgcc/config/rs6000/t-linux +index 4f6d4c4a4d2..c50dd94a2da 100644 +--- a/libgcc/config/rs6000/t-linux ++++ b/libgcc/config/rs6000/t-linux +@@ -1,3 +1,9 @@ + SHLIB_MAPFILES += $(srcdir)/config/rs6000/libgcc-glibc.ver + +-HOST_LIBGCC2_CFLAGS += -mlong-double-128 -mno-minimal-toc ++ifeq ($(with_ldbl128),yes) ++HOST_LIBGCC2_CFLAGS += -mlong-double-128 ++else ++# We do not want to build ibm-ldouble.c. ++LIB2ADD := $(filter-out %ibm-ldouble.c, $(LIB2ADD)) ++endif ++HOST_LIBGCC2_CFLAGS += -mno-minimal-toc +diff --git a/libgcc/config/rs6000/fixtfdi.c b/libgcc/config/rs6000/fixtfdi.c +--- a/libgcc/config/rs6000/fixtfdi.c 1969-12-31 19:00:00.000000000 -0500 ++++ b/libgcc/config/rs6000/fixtfdi.c 2018-12-12 17:54:50.110755540 -0500 +@@ -0,0 +1,42 @@ ++/* Software floating-point emulation. ++ Convert a to 64bit signed integer ++ Copyright (C) 1997-2016 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ Contributed by Richard Henderson (rth@cygnus.com) and ++ Jakub Jelinek (jj@ultra.linux.cz). ++ ++ 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/>. */ ++ ++#ifdef _ARCH_PPC64 ++#include "soft-fp.h" ++#include "quad-float128.h" ++ ++DItype ++__fixtfdi (TFtype a) ++{ ++ if (a < 0) ++ return - __fixunstfdi (-a); ++ return __fixunstfdi (a); ++} ++#endif +diff --git a/libgcc/config/rs6000/fixunstfdi.c b/libgcc/config/rs6000/fixunstfdi.c +--- a/libgcc/config/rs6000/fixunstfdi.c 1969-12-31 19:00:00.000000000 -0500 ++++ b/libgcc/config/rs6000/fixunstfdi.c 2018-12-12 17:56:06.141654537 -0500 +@@ -0,0 +1,58 @@ ++/* Software floating-point emulation. ++ Convert a to 64bit unsigned integer ++ Copyright (C) 1997-2016 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ Contributed by Richard Henderson (rth@cygnus.com) and ++ Jakub Jelinek (jj@ultra.linux.cz). ++ ++ 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/>. */ ++ ++#ifdef _ARCH_PPC64 ++#include "soft-fp.h" ++#include "quad-float128.h" ++ ++DItype ++__fixunstfdi (TFtype a) ++{ ++ if (a < 0) ++ return 0; ++ ++ /* Compute high word of result, as a flonum. */ ++ const TFtype b = (a / (((UDItype) 1) << (sizeof (SItype) * 8))); ++ /* Convert that to fixed (but not to DItype!), ++ and shift it into the high word. */ ++ UDItype v = (USItype) b; ++ v <<= (sizeof (SItype) * 8); ++ /* Remove high part from the TFtype, leaving the low part as flonum. */ ++ a -= (TFtype) v; ++ /* Convert that to fixed (but not to DItype!) and add it in. ++ Sometimes A comes out negative. This is significant, since ++ A has more bits than a long int does. */ ++ if (a < 0) ++ v -= (USItype) (-a); ++ else ++ v += (USItype) a; ++ return v; ++} ++#endif +diff --git a/libgcc/config/rs6000/floatditf.c b/libgcc/config/rs6000/floatditf.c +--- a/libgcc/config/rs6000/floatditf.c 1969-12-31 19:00:00.000000000 -0500 ++++ b/libgcc/config/rs6000/floatditf.c 2018-12-12 17:57:55.852953553 -0500 +@@ -0,0 +1,47 @@ ++/* Software floating-point emulation. ++ Convert a 64bit signed integer to IEEE quad ++ Copyright (C) 1997-2016 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ Contributed by Richard Henderson (rth@cygnus.com) and ++ Jakub Jelinek (jj@ultra.linux.cz). ++ ++ 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/>. */ ++ ++#ifdef _ARCH_PPC64 ++#include "soft-fp.h" ++#include "double.h" ++#include "quad-float128.h" ++ ++TFtype ++__floatditf (DItype u) ++{ ++ DFtype dh, dl; ++ ++ dh = (SItype) (u >> (sizeof (SItype) * 8)); ++ dh *= 2.0 * (((UDItype) 1) << ((sizeof (SItype) * 8) - 1)); ++ dl = (USItype) (u & ((((UDItype) 1) << (sizeof (SItype) * 8)) - 1)); ++ ++ return (TFtype) dh + (TFtype) dl; ++} ++#endif +diff --git a/libgcc/config/rs6000/floatunditf.c b/libgcc/config/rs6000/floatunditf.c +--- a/libgcc/config/rs6000/floatunditf.c 1969-12-31 19:00:00.000000000 -0500 ++++ b/libgcc/config/rs6000/floatunditf.c 2018-12-12 17:57:15.262473574 -0500 +@@ -0,0 +1,47 @@ ++/* Software floating-point emulation. ++ Convert a 64bit unsigned integer to IEEE quad ++ Copyright (C) 1997-2016 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ Contributed by Richard Henderson (rth@cygnus.com) and ++ Jakub Jelinek (jj@ultra.linux.cz). ++ ++ 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/>. */ ++ ++#ifdef _ARCH_PPC64 ++#include "soft-fp.h" ++#include "double.h" ++#include "quad-float128.h" ++ ++TFtype ++__floatunditf (UDItype u) ++{ ++ DFtype dh, dl; ++ ++ dh = (USItype) (u >> (sizeof (SItype) * 8)); ++ dh *= 2.0 * (((UDItype) 1) << ((sizeof (SItype) * 8) - 1)); ++ dl = (USItype) (u & ((((UDItype) 1) << (sizeof (SItype) * 8)) - 1)); ++ ++ return (TFtype) dh + (TFtype) dl; ++} ++#endif +diff --git a/libgcc/config/rs6000/ppc64-fp.c b/libgcc/config/rs6000/ppc64-fp.c +--- a/libgcc/config/rs6000/ppc64-fp.c 2018-12-12 17:53:49.540038500 -0500 ++++ b/libgcc/config/rs6000/ppc64-fp.c 2018-12-12 17:49:51.897235314 -0500 +@@ -25,34 +25,21 @@ + <http://www.gnu.org/licenses/>. */ + + #if defined(__powerpc64__) || defined (__64BIT__) || defined(__ppc64__) +-#define TMODES + #include "fp-bit.h" + +-extern DItype __fixtfdi (TFtype); + extern DItype __fixdfdi (DFtype); + extern DItype __fixsfdi (SFtype); + extern USItype __fixunsdfsi (DFtype); + extern USItype __fixunssfsi (SFtype); +-extern TFtype __floatditf (DItype); +-extern TFtype __floatunditf (UDItype); + extern DFtype __floatdidf (DItype); + extern DFtype __floatundidf (UDItype); + extern SFtype __floatdisf (DItype); + extern SFtype __floatundisf (UDItype); +-extern DItype __fixunstfdi (TFtype); + + static DItype local_fixunssfdi (SFtype); + static DItype local_fixunsdfdi (DFtype); + + DItype +-__fixtfdi (TFtype a) +-{ +- if (a < 0) +- return - __fixunstfdi (-a); +- return __fixunstfdi (a); +-} +- +-DItype + __fixdfdi (DFtype a) + { + if (a < 0) +@@ -86,30 +73,6 @@ + return (SItype) a; + } + +-TFtype +-__floatditf (DItype u) +-{ +- DFtype dh, dl; +- +- dh = (SItype) (u >> (sizeof (SItype) * 8)); +- dh *= 2.0 * (((UDItype) 1) << ((sizeof (SItype) * 8) - 1)); +- dl = (USItype) (u & ((((UDItype) 1) << (sizeof (SItype) * 8)) - 1)); +- +- return (TFtype) dh + (TFtype) dl; +-} +- +-TFtype +-__floatunditf (UDItype u) +-{ +- DFtype dh, dl; +- +- dh = (USItype) (u >> (sizeof (SItype) * 8)); +- dh *= 2.0 * (((UDItype) 1) << ((sizeof (SItype) * 8) - 1)); +- dl = (USItype) (u & ((((UDItype) 1) << (sizeof (SItype) * 8)) - 1)); +- +- return (TFtype) dh + (TFtype) dl; +-} +- + DFtype + __floatdidf (DItype u) + { +@@ -183,30 +146,6 @@ + return (SFtype) f; + } + +-DItype +-__fixunstfdi (TFtype a) +-{ +- if (a < 0) +- return 0; +- +- /* Compute high word of result, as a flonum. */ +- const TFtype b = (a / (((UDItype) 1) << (sizeof (SItype) * 8))); +- /* Convert that to fixed (but not to DItype!), +- and shift it into the high word. */ +- UDItype v = (USItype) b; +- v <<= (sizeof (SItype) * 8); +- /* Remove high part from the TFtype, leaving the low part as flonum. */ +- a -= (TFtype) v; +- /* Convert that to fixed (but not to DItype!) and add it in. +- Sometimes A comes out negative. This is significant, since +- A has more bits than a long int does. */ +- if (a < 0) +- v -= (USItype) (-a); +- else +- v += (USItype) a; +- return v; +-} +- + /* This version is needed to prevent recursion; fixunsdfdi in libgcc + calls fixdfdi, which in turn calls calls fixunsdfdi. */ + +diff --git a/libgcc/config/rs6000/quad-float128.h b/libgcc/config/rs6000/quad-float128.h +--- a/libgcc/config/rs6000/quad-float128.h 2018-12-12 17:53:49.540038500 -0500 ++++ b/libgcc/config/rs6000/quad-float128.h 2018-12-12 17:30:19.423468244 -0500 +@@ -104,6 +104,11 @@ + extern UTItype_ppc __fixunskfti (TFtype); + extern TFtype __floattikf (TItype_ppc); + extern TFtype __floatuntikf (UTItype_ppc); ++ ++extern DItype_ppc __fixtfdi (TFtype); ++extern DItype_ppc __fixunstfdi (TFtype); ++extern TFtype __floatditf (DItype_ppc); ++extern TFtype __floatunditf (UDItype_ppc); + #endif + + /* Functions using the ISA 3.0 hardware support. If the code is compiled with +diff --git a/libgcc/config/rs6000/t-float128 b/libgcc/config/rs6000/t-float128 +--- a/libgcc/config/rs6000/t-float128 2018-12-12 17:53:49.540038500 -0500 ++++ b/libgcc/config/rs6000/t-float128 2018-12-12 17:45:12.233937136 -0500 +@@ -24,6 +24,7 @@ + + # New functions for software emulation + fp128_ppc_funcs = floattikf floatuntikf fixkfti fixunskfti \ ++ floatditf floatunditf fixtfdi fixunstfdi \ + extendkftf2-sw trunctfkf2-sw \ + sfp-exceptions _mulkc3 _divkc3 _powikf2 + + +diff --git a/libgcc/configure b/libgcc/configure +old mode 100644 +new mode 100755 +index b2f3f870844..ed806587c17 +--- a/libgcc/configure ++++ b/libgcc/configure +@@ -619,6 +619,7 @@ build_vendor + build_cpu + build + with_aix_soname ++with_ldbl128 + enable_vtable_verify + enable_shared + libgcc_topdir +@@ -668,6 +669,7 @@ with_cross_host + with_ld + enable_shared + enable_vtable_verify ++with_long_double_128 + with_aix_soname + enable_version_specific_runtime_libs + with_slibdir +@@ -1329,6 +1331,7 @@ Optional Packages: + --with-target-subdir=SUBDIR Configuring in a subdirectory for target + --with-cross-host=HOST Configuring with a cross compiler + --with-ld arrange to use the specified ld (full pathname) ++ --with-long-double-128 use 128-bit long double by default + --with-aix-soname=aix|svr4|both + shared library versioning (aka "SONAME") variant to + provide on AIX +@@ -2213,6 +2216,21 @@ fi + + + ++# Check whether --with-long-double-128 was given. ++if test "${with_long_double_128+set}" = set; then : ++ withval=$with_long_double_128; with_ldbl128="$with_long_double_128" ++else ++ case "${host}" in ++ power*-*-musl*) ++ with_ldbl128="no";; ++ *) with_ldbl128="yes";; ++ esac ++ ++fi ++ ++ ++ ++ + # Check whether --with-aix-soname was given. + if test "${with_aix_soname+set}" = set; then : + withval=$with_aix_soname; case "${host}:${enable_shared}" in +diff --git a/libgcc/configure.ac b/libgcc/configure.ac +index b59aa746afc..42220a263c5 100644 +--- a/libgcc/configure.ac ++++ b/libgcc/configure.ac +@@ -78,6 +78,18 @@ AC_ARG_ENABLE(vtable-verify, + [enable_vtable_verify=no]) + AC_SUBST(enable_vtable_verify) + ++AC_ARG_WITH(long-double-128, ++[AS_HELP_STRING([--with-long-double-128], ++ [use 128-bit long double by default])], ++ with_ldbl128="$with_long_double_128", ++[case "${host}" in ++ power*-*-musl*) ++ with_ldbl128="no";; ++ *) with_ldbl128="yes";; ++ esac ++]) ++AC_SUBST(with_ldbl128) ++ + AC_ARG_WITH(aix-soname, + [AS_HELP_STRING([--with-aix-soname=aix|svr4|both], + [shared library versioning (aka "SONAME") variant to provide on AIX])], +-- +2.17.0 + |