diff options
Diffstat (limited to 'sys/libkern/ia64/__divdi3.S')
-rw-r--r-- | sys/libkern/ia64/__divdi3.S | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/sys/libkern/ia64/__divdi3.S b/sys/libkern/ia64/__divdi3.S deleted file mode 100644 index 9465c9c..0000000 --- a/sys/libkern/ia64/__divdi3.S +++ /dev/null @@ -1,142 +0,0 @@ -.file "__divdi3.s" - -// $FreeBSD$ - -//- -// Copyright (c) 2000, Intel Corporation -// All rights reserved. -// -// Contributed 2/15/2000 by Marius Cornea, John Harrison, Cristina Iordache, -// Ted Kubaska, Bob Norin, and Shane Story of the Computational Software Lab, -// Intel Corporation. -// -// WARRANTY DISCLAIMER -// -// 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 INTEL OR ITS -// CONTRIBUTORS 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. -// -// Intel Corporation is the author of this code, and requests that all -// problem reports or change requests be submitted to it directly at -// http://developer.intel.com/opensource. -// - -.section .text -.proc __divdi3# -.align 32 -.global __divdi3# -.align 32 - -// 64-bit signed integer divide - -__divdi3: - -{ .mii - alloc r31=ar.pfs,2,0,0,0 - nop.i 0 - nop.i 0;; -} { .mmi - - // 64-BIT SIGNED INTEGER DIVIDE BEGINS HERE - - setf.sig f8=r32 - setf.sig f9=r33 - nop.i 0;; -} { .mfb - nop.m 0 - fcvt.xf f6=f8 - nop.b 0 -} { .mfb - nop.m 0 - fcvt.xf f7=f9 - nop.b 0;; -} { .mfi - nop.m 0 - // Step (1) - // y0 = 1 / b in f8 - frcpa.s1 f8,p6=f6,f7 - nop.i 0;; -} { .mfi - nop.m 0 - // Step (2) - // e0 = 1 - b * y0 in f9 - (p6) fnma.s1 f9=f7,f8,f1 - nop.i 0 -} { .mfi - nop.m 0 - // Step (3) - // q0 = a * y0 in f10 - (p6) fma.s1 f10=f6,f8,f0 - nop.i 0;; -} { .mfi - nop.m 0 - // Step (4) - // e1 = e0 * e0 in f11 - (p6) fma.s1 f11=f9,f9,f0 - nop.i 0 -} { .mfi - nop.m 0 - // Step (5) - // q1 = q0 + e0 * q0 in f10 - (p6) fma.s1 f10=f9,f10,f10 - nop.i 0;; -} { .mfi - nop.m 0 - // Step (6) - // y1 = y0 + e0 * y0 in f8 - (p6) fma.s1 f8=f9,f8,f8 - nop.i 0;; -} { .mfi - nop.m 0 - // Step (7) - // q2 = q1 + e1 * q1 in f9 - (p6) fma.s1 f9=f11,f10,f10 - nop.i 0;; -} { .mfi - nop.m 0 - // Step (8) - // y2 = y1 + e1 * y1 in f8 - (p6) fma.s1 f8=f11,f8,f8 - nop.i 0;; -} { .mfi - nop.m 0 - // Step (9) - // r2 = a - b * q2 in f10 - (p6) fnma.s1 f10=f7,f9,f6 - nop.i 0;; -} { .mfi - nop.m 0 - // Step (10) - // q3 = q2 + r2 * y2 in f8 - (p6) fma.s1 f8=f10,f8,f9 - nop.i 0;; -} { .mfb - nop.m 0 - // Step (11) - // q = trunc (q3) - fcvt.fx.trunc.s1 f8=f8 - nop.b 0;; -} { .mmi - // quotient will be in r8 (if b != 0) - getf.sig r8=f8 - nop.m 0 - nop.i 0;; -} - - // 64-BIT SIGNED INTEGER DIVIDE ENDS HERE - -{ .mmb - nop.m 0 - nop.m 0 - br.ret.sptk b0;; -} - -.endp __divdi3 |