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Diffstat (limited to 'runtime/ia32/i64_sdiv.S')
-rw-r--r-- | runtime/ia32/i64_sdiv.S | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/runtime/ia32/i64_sdiv.S b/runtime/ia32/i64_sdiv.S deleted file mode 100644 index f6551c7d..00000000 --- a/runtime/ia32/i64_sdiv.S +++ /dev/null @@ -1,74 +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" - -// Signed division - -FUNCTION(__i64_sdiv) - pushl %ebp - pushl %esi - pushl %edi - movl 20(%esp), %esi // esi = NH - movl %esi, %ebp // save sign of N in ebp - testl %esi, %esi - jge 1f // if N < 0, - negl 16(%esp) // N = -N - adcl $0, %esi - negl %esi - movl %esi, 20(%esp) -1: movl 28(%esp), %esi // esi = DH - xorl %esi, %ebp // sign of result in ebp - testl %esi, %esi - jge 2f // if D < 0, - negl 24(%esp) // D = -D - adcl $0, %esi - negl %esi - movl %esi, 28(%esp) -2: call GLOB(__i64_udivmod) - testl %ebp, %ebp // apply sign to result - jge 3f - negl %esi - adcl $0, %edi - negl %edi -3: movl %esi, %eax - movl %edi, %edx - popl %edi - popl %esi - popl %ebp - ret -ENDFUNCTION(__i64_sdiv) - |