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-rw-r--r--gcc-4.8.1/libgfortran/config/fpu-387.h136
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diff --git a/gcc-4.8.1/libgfortran/config/fpu-387.h b/gcc-4.8.1/libgfortran/config/fpu-387.h
deleted file mode 100644
index 913eb60b1..000000000
--- a/gcc-4.8.1/libgfortran/config/fpu-387.h
+++ /dev/null
@@ -1,136 +0,0 @@
-/* FPU-related code for x86 and x86_64 processors.
- Copyright (C) 2005-2013 Free Software Foundation, Inc.
- Contributed by Francois-Xavier Coudert <coudert@clipper.ens.fr>
-
-This file is part of the GNU Fortran 95 runtime library (libgfortran).
-
-Libgfortran 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 of the License, or (at your option) any later version.
-
-Libgfortran 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/>. */
-
-#ifndef __x86_64__
-#include "cpuid.h"
-#endif
-
-#if defined(__sun__) && defined(__svr4__)
-#include <signal.h>
-#include <ucontext.h>
-
-static volatile sig_atomic_t sigill_caught;
-
-static void
-sigill_hdlr (int sig __attribute((unused)),
- siginfo_t *sip __attribute__((unused)),
- ucontext_t *ucp)
-{
- sigill_caught = 1;
- /* Set PC to the instruction after the faulting one to skip over it,
- otherwise we enter an infinite loop. 3 is the size of the movaps
- instruction. */
- ucp->uc_mcontext.gregs[EIP] += 3;
- setcontext (ucp);
-}
-#endif
-
-static int
-has_sse (void)
-{
-#ifndef __x86_64__
- unsigned int eax, ebx, ecx, edx;
-
- if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx))
- return 0;
-
-#if defined(__sun__) && defined(__svr4__)
- /* Solaris 2 before Solaris 9 4/04 cannot execute SSE instructions even
- if the CPU supports them. Programs receive SIGILL instead, so check
- for that at runtime. */
-
- if (edx & bit_SSE)
- {
- struct sigaction act, oact;
-
- act.sa_handler = sigill_hdlr;
- sigemptyset (&act.sa_mask);
- /* Need to set SA_SIGINFO so a ucontext_t * is passed to the handler. */
- act.sa_flags = SA_SIGINFO;
- sigaction (SIGILL, &act, &oact);
-
- /* We need a single SSE instruction here so the handler can safely skip
- over it. */
- __asm__ volatile ("movaps %xmm0,%xmm0");
-
- sigaction (SIGILL, &oact, NULL);
-
- if (sigill_caught)
- return 0;
- }
-#endif /* __sun__ && __svr4__ */
-
- return edx & bit_SSE;
-#else
- return 1;
-#endif
-}
-
-/* i387 -- see linux <fpu_control.h> header file for details. */
-#define _FPU_MASK_IM 0x01
-#define _FPU_MASK_DM 0x02
-#define _FPU_MASK_ZM 0x04
-#define _FPU_MASK_OM 0x08
-#define _FPU_MASK_UM 0x10
-#define _FPU_MASK_PM 0x20
-
-void set_fpu (void)
-{
- unsigned short cw;
-
- asm volatile ("fnstcw %0" : "=m" (cw));
-
- cw |= (_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM | _FPU_MASK_OM
- | _FPU_MASK_UM | _FPU_MASK_PM);
-
- if (options.fpe & GFC_FPE_INVALID) cw &= ~_FPU_MASK_IM;
- if (options.fpe & GFC_FPE_DENORMAL) cw &= ~_FPU_MASK_DM;
- if (options.fpe & GFC_FPE_ZERO) cw &= ~_FPU_MASK_ZM;
- if (options.fpe & GFC_FPE_OVERFLOW) cw &= ~_FPU_MASK_OM;
- if (options.fpe & GFC_FPE_UNDERFLOW) cw &= ~_FPU_MASK_UM;
- if (options.fpe & GFC_FPE_INEXACT) cw &= ~_FPU_MASK_PM;
-
- asm volatile ("fldcw %0" : : "m" (cw));
-
- if (has_sse())
- {
- unsigned int cw_sse;
-
- asm volatile ("%vstmxcsr %0" : "=m" (cw_sse));
-
- cw_sse &= 0xffff0000;
- cw_sse |= (_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM | _FPU_MASK_OM
- | _FPU_MASK_UM | _FPU_MASK_PM ) << 7;
-
- if (options.fpe & GFC_FPE_INVALID) cw_sse &= ~(_FPU_MASK_IM << 7);
- if (options.fpe & GFC_FPE_DENORMAL) cw_sse &= ~(_FPU_MASK_DM << 7);
- if (options.fpe & GFC_FPE_ZERO) cw_sse &= ~(_FPU_MASK_ZM << 7);
- if (options.fpe & GFC_FPE_OVERFLOW) cw_sse &= ~(_FPU_MASK_OM << 7);
- if (options.fpe & GFC_FPE_UNDERFLOW) cw_sse &= ~(_FPU_MASK_UM << 7);
- if (options.fpe & GFC_FPE_INEXACT) cw_sse &= ~(_FPU_MASK_PM << 7);
-
- asm volatile ("%vldmxcsr %0" : : "m" (cw_sse));
- }
-}