From f4e106d4fc1cce484678b5cdd86ab57d7a43076a Mon Sep 17 00:00:00 2001 From: xleroy Date: Sun, 27 Jul 2014 07:35:49 +0000 Subject: ARM port: add support for Thumb2. To be tested. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2549 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e --- runtime/arm/i64_sdiv.s | 66 -------------------------------------------------- 1 file changed, 66 deletions(-) delete mode 100644 runtime/arm/i64_sdiv.s (limited to 'runtime/arm/i64_sdiv.s') diff --git a/runtime/arm/i64_sdiv.s b/runtime/arm/i64_sdiv.s deleted file mode 100644 index e96008d4..00000000 --- a/runtime/arm/i64_sdiv.s +++ /dev/null @@ -1,66 +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 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 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. ARM version. - - .text - -@@@ Signed division - - .global __i64_sdiv -__i64_sdiv: - push {r4, r5, r6, r7, r8, r10, lr} - eor r10, r1, r3 @ r10 = sign of result - mov r4, r1, asr #31 @ take absolute value of N - eor r0, r0, r4 @ N = (N ^ (N >>s 31)) - (N >>s 31) - eor r1, r1, r4 - subs r0, r0, r4 - sbc r1, r1, r4 - mov r4, r3, asr #31 @ take absolute value of D - eor r2, r2, r4 - eor r3, r3, r4 - subs r2, r2, r4 - sbc r3, r3, r4 - bl __i64_udivmod @ do unsigned division - mov r0, r4 - mov r1, r5 - eor r0, r0, r10, asr#31 @ apply expected sign - eor r1, r1, r10, asr#31 - subs r0, r0, r10, asr#31 - sbc r1, r1, r10, asr#31 - pop {r4, r5, r6, r7, r8, r10, lr} - bx lr - .type __i64_sdiv, %function - .size __i64_sdiv, . - __i64_sdiv - -- cgit