1 files changed, 103 insertions, 0 deletions
diff --git a/libgcc/config/arc/dp-hack.h b/libgcc/config/arc/dp-hack.h
new file mode 100644
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+++ b/libgcc/config/arc/dp-hack.h
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+/* Copyright (C) 2007-2017 Free Software Foundation, Inc.
+   Contributor: Joern Rennecke <joern.rennecke@embecosm.com>
+		on behalf of Synopsys Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC 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 General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+/* This file selects the double-precision parts of fp-bit.c that are
+   still needed for some ARC hardware variants; it also renames functions
+   that duplicate asm-coded functionality so that their results can be
+   used to compare with the optimized versions for debugging.  */
+
+#define FINE_GRAINED_LIBRARIES
+#define ARC_DP_DEBUG 1
+#define ARC_OPTFPE (defined (__ARC700__) || defined (__ARC_FPX_QUARK__))
+
+#if !ARC_OPTFPE || ARC_DP_DEBUG
+#define L_pack_df
+#define L_unpack_df
+#define L_make_df
+#define L_thenan_df
+#define L_sf_to_df
+#endif
+#if !ARC_OPTFPE
+#define L_addsub_df
+#elif ARC_DP_DEBUG
+#define L_addsub_df
+#define __adddf3 __adddf3_c
+#define __subdf3 __subdf3_c
+#endif
+#if !ARC_OPTFPE
+#define L_mul_df
+#define L_div_df
+#elif (!defined (__ARC700__) && !defined (__ARC_MUL64__) \
+       && !defined (__ARC_MUL32BY16__) && !defined (__HS__))
+#define L_mul_df
+#define L_div_df
+#undef QUIET_NAN
+#define QUIET_NAN 0xfffffffffffffLL
+#elif ARC_DP_DEBUG
+#define L_mul_df
+#define __muldf3 __muldf3_c
+#define L_div_df
+#define __divdf3 __divdf3_c
+#endif
+#if !ARC_OPTFPE
+#define L_df_to_sf
+#define L_si_to_df
+#define L_df_to_si
+#define L_tf_to_usi /* need to defined this instead of df_to_usi */
+#define L_usi_to_df
+#elif ARC_DP_DEBUG
+#define L_df_to_sf
+#define __truncdfsf2 __truncdfsf2_c
+#define L_si_to_df
+#define __floatsidf __floatsidf_c
+#define L_df_to_si
+#define __fixdfsi __fixdfsi_c
+#define L_tf_to_usi
+#define __fixunsdfsi __fixunsdfsi_c
+#define L_usi_to_df
+#define __floatunsidf __floatunsidf_c
+#endif
+#if !ARC_OPTFPE
+#define L_fpcmp_parts_df
+#define L_compare_df
+#define L_eq_df
+#define L_ne_df
+#define L_gt_df
+#define L_ge_df
+#define L_lt_df
+#define L_le_df
+#define L_unord_df
+#define L_negate_df
+#elif ARC_DP_DEBUG
+#define L_fpcmp_parts_df
+#define L_eq_df
+#define __eqdf2 __eqdf2_c
+#define L_gt_df
+#define __gtdf2 __gtdf2_c
+#define L_ge_df
+#define __gedf2 __gedf2_c
+#define L_unord_df
+#define __unorddf2 __unorddf2_c
+#endif