diff options
Diffstat (limited to 'runtime/ia32/i64_shr.s')
| -rw-r--r-- | runtime/ia32/i64_shr.s | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/runtime/ia32/i64_shr.s b/runtime/ia32/i64_shr.s deleted file mode 100644 index 691c4d0..0000000 --- a/runtime/ia32/i64_shr.s +++ /dev/null @@ -1,62 +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. - - .text - -# Shift right unsigned - -# Note: IA32 shift instructions treat their amount (in %cl) modulo 32 - - .globl __i64_shr - .balign 16 -__i64_shr: - movl 12(%esp), %ecx # ecx = shift amount, treated mod 64 - testb $32, %cl - jne 1f - # shift amount < 32 - movl 4(%esp), %eax - movl 8(%esp), %edx - shrdl %cl, %edx, %eax # eax = low(XH:XL >> amount) - shrl %cl, %edx # edx = XH >> amount - ret - # shift amount >= 32 -1: movl 8(%esp), %eax - shrl %cl, %eax # eax = XH >> (amount - 32) - xorl %edx, %edx # edx = 0 - ret - .type __i64_shr, @function - .size __i64_shr, . - __i64_shr - |