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Diffstat (limited to 'runtime/ia32/i64_utod.S')
| -rw-r--r-- | runtime/ia32/i64_utod.S | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/runtime/ia32/i64_utod.S b/runtime/ia32/i64_utod.S deleted file mode 100644 index 428a3b94..00000000 --- a/runtime/ia32/i64_utod.S +++ /dev/null @@ -1,55 +0,0 @@ -// ***************************************************************** -// -// The Compcert verified compiler -// -// Xavier Leroy, INRIA Paris-Rocquencourt -// -// Copyright (c) 2013 Institut National de Recherche en Informatique et -// en Automatique. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are met: -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above copyright -// notice, this list of conditions and the following disclaimer in the -// documentation and/or other materials provided with the distribution. -// * Neither the name of the <organization> nor the -// names of its contributors may be used to endorse or promote products -// derived from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT -// HOLDER> BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// ********************************************************************* - -// Helper functions for 64-bit integer arithmetic. IA32 version. - -#include "sysdeps.h" - -// Conversion unsigned long -> double-precision float - -FUNCTION(__i64_utod) - fildll 4(%esp) // convert as if signed - cmpl $0, 8(%esp) // is argument >= 2^63? - jns 1f - fadds LC1 // adjust by 2^64 -1: ret - // The result is in extended precision (80 bits) and therefore - // exact (64 bits of mantissa). It will be rounded to double - // precision by the caller, when transferring the result - // to an XMM register or a 64-bit stack slot. - - .p2align 2 -LC1: .long 0x5f800000 // 2^64 in single precision - -ENDFUNCTION(__i64_utod) |