5f60643158
This patch updates libgcc's copy of soft-fp from glibc, adding a testcase for a bug fix this brings in. Bootstrapped with no regressions on x86_64-unknown-linux-gnu. libgcc: * soft-fp/double.h: Update from glibc. * soft-fp/eqdf2.c: Likewise. * soft-fp/eqsf2.c: Likewise. * soft-fp/eqtf2.c: Likewise. * soft-fp/extenddftf2.c: Likewise. * soft-fp/extended.h: Likewise. * soft-fp/extendsfdf2.c: Likewise. * soft-fp/extendsftf2.c: Likewise. * soft-fp/extendxftf2.c: Likewise. * soft-fp/gedf2.c: Likewise. * soft-fp/gesf2.c: Likewise. * soft-fp/getf2.c: Likewise. * soft-fp/ledf2.c: Likewise. * soft-fp/lesf2.c: Likewise. * soft-fp/letf2.c: Likewise. * soft-fp/op-1.h: Likewise. * soft-fp/op-2.h: Likewise. * soft-fp/op-4.h: Likewise. * soft-fp/op-8.h: Likewise. * soft-fp/op-common.h: Likewise. * soft-fp/quad.h: Likewise. * soft-fp/single.h: Likewise. * soft-fp/soft-fp.h: Likewise. * soft-fp/unorddf2.c: Likewise. * soft-fp/unordsf2.c: Likewise. * soft-fp/unordtf2.c: Likewise. * config/c6x/eqd.c (__c6xabi_eqd): Update call to FP_CMP_EQ_D. * config/c6x/eqf.c (__c6xabi_eqf): Update call to FP_CMP_EQ_S. * config/c6x/ged.c (__c6xabi_ged): Update call to FP_CMP_D. * config/c6x/gef.c (__c6xabi_gef): Update call to FP_CMP_S. * config/c6x/gtd.c (__c6xabi_gtd): Update call to FP_CMP_D. * config/c6x/gtf.c (__c6xabi_gtf): Update call to FP_CMP_S. * config/c6x/led.c (__c6xabi_led): Update call to FP_CMP_D. * config/c6x/lef.c (__c6xabi_lef): Update call to FP_CMP_S. * config/c6x/ltd.c (__c6xabi_ltd): Update call to FP_CMP_D. * config/c6x/ltf.c (__c6xabi_ltf): Update call to FP_CMP_S. gcc/testsuite: * gcc.dg/torture/float128-extendxf-underflow.c: New test. From-SVN: r216048
46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
/* Software floating-point emulation.
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Return 1 iff a <= b, 0 otherwise.
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Copyright (C) 1997-2014 Free Software Foundation, Inc.
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Contributed by Richard Henderson (rth@cygnus.com) and
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Jakub Jelinek (jj@ultra.linux.cz).
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This file is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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In addition to the permissions in the GNU Lesser General Public
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License, the Free Software Foundation gives you unlimited
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permission to link the compiled version of this file into
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combinations with other programs, and to distribute those
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combinations without any restriction coming from the use of this
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file. (The Lesser General Public License restrictions do apply in
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other respects; for example, they cover modification of the file,
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and distribution when not linked into a combine executable.)
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with GCC; see the file COPYING.LIB. If not see
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<http://www.gnu.org/licenses/>. */
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#include <soft-fp/soft-fp.h>
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#include <soft-fp/single.h>
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CMPtype __c6xabi_lef(SFtype a, SFtype b)
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{
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FP_DECL_EX;
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FP_DECL_S(A); FP_DECL_S(B);
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CMPtype r;
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FP_UNPACK_RAW_S(A, a);
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FP_UNPACK_RAW_S(B, b);
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FP_CMP_S(r, A, B, 2, 2);
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FP_HANDLE_EXCEPTIONS;
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return r <= 0;
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}
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