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, 0 insertions, 80 deletions

diff --git a/runtime/arm/i64_udivmod.s b/runtime/arm/i64_udivmod.s
deleted file mode 100644
index e3d9c87..0000000
--- a/runtime/arm/i64_udivmod.s
+++ /dev/null
@@ -1,80 +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.  ARM version.
-
-        .text
-
-@@@ Auxiliary function for division and modulus. Don't call from C
-
-@ On entry:  N = (r0, r1) numerator    D = (r2, r3) divisor	
-@ On exit:   Q = (r4, r5) quotient     R = (r0, r1) remainder	
-@ Locals:    M = (r6, r7) mask         TMP = r8 temporary	
-	
-	.global __i64_udivmod
-__i64_udivmod:
-        orrs r8, r2, r3         @ is D == 0?
-        bxeq lr                 @ if so, return with unspecified results
-        mov r4, #0              @ Q = 0
-        mov r5, #0
-        mov r6, #1              @ M = 1
-        mov r7, #0
-1:      cmp r3, #0              @ while ((signed) D >= 0) ...
-        blt 2f
-        subs r8, r0, r2         @ ... and N >= D ...
-        sbcs r8, r1, r3
-        blo 2f
-        adds r2, r2, r2         @ D = D << 1
-        adc r3, r3, r3
-        adds r6, r6, r6         @ M = M << 1
-        adc r7, r7, r7
-        b 1b
-2:      subs r0, r0, r2         @ N = N - D
-        sbcs r1, r1, r3
-        orr r4, r4, r6          @ Q = Q | M
-        orr r5, r5, r7
-        bhs 3f                  @ if N was >= D, continue
-        adds r0, r0, r2         @ otherwise, undo what we just did
-        adc r1, r1, r3          @ N = N + D
-        bic r4, r4, r6          @ Q = Q & ~M
-        bic r5, r5, r7
-3:      movs r7, r7, lsr #1     @ M = M >> 1
-        mov r6, r6, rrx
-        movs r3, r3, lsr #1     @ D = D >> 1
-        mov r2, r2, rrx
-        orrs r8, r6, r7         @ repeat while (M != 0) ...
-        bne 2b
-        bx lr
-	.type __i64_udivmod, %function
-	.size __i64_udivmod, . - __i64_udivmod