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

1 files changed, 46 insertions, 0 deletions

diff --git a/runtime/arm/i64_umod.S b/runtime/arm/i64_umod.S
new file mode 100644
index 0000000..e59fd20
--- /dev/null
+++ b/runtime/arm/i64_umod.S
@@ -0,0 +1,46 @@
+@ *****************************************************************
+@
+@               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.  ARM version.
+
+#include "sysdeps.h"
+
+@@@ Unsigned remainder
+	
+FUNCTION(__i64_umod)
+        push {r4, r5, r6, r7, r8, lr}
+        bl __i64_udivmod         @ remainder is already in r0,r1
+        pop {r4, r5, r6, r7, r8, lr}
+        bx lr
+ENDFUNCTION(__i64_umod)