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-rw-r--r--gcc-4.9/libgcc/config/arc/ieee-754/floatunsidf.S75
1 files changed, 75 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/arc/ieee-754/floatunsidf.S b/gcc-4.9/libgcc/config/arc/ieee-754/floatunsidf.S
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+++ b/gcc-4.9/libgcc/config/arc/ieee-754/floatunsidf.S
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+/* Copyright (C) 2008-2014 Free Software Foundation, Inc.
+ Contributor: Joern Rennecke <joern.rennecke@embecosm.com>
+ on behalf of Synopsys Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "arc-ieee-754.h"
+
+#if 0 /* DEBUG */
+ .global __floatunsidf
+ .balign 4
+ FUNC(__floatunsidf)
+__floatunsidf:
+ push_s blink
+ bl.d __floatunsidf_c
+ push_s r0
+ ld_s r2,[sp]
+ st_s r1,[sp]
+ push_s r0
+ bl.d __floatunsidf_asm
+ mov_s r0,r2
+ pop_s r2
+ pop_s r3
+ pop_s blink
+ cmp r0,r2
+ cmp.eq r1,r3
+ jeq_s [blink]
+ bl abort
+ ENDFUNC(__floatunsidf)
+#define __floatunsidf __floatunsidf_asm
+#endif /* DEBUG */
+
+ .global __floatunsidf
+ .balign 4
+ FUNC(__floatunsidf)
+__floatunsidf:
+ lsr_s r1,r0
+ breq_s r0,0,.Lret0
+ norm r2,r1
+ mov r12,-0x41d ; -(0x3ff+31-1)
+ rsub.f r3,r2,11
+ add_s r12,r2,r12
+ add_s r2,r2,21
+#ifdef __LITTLE_ENDIAN__
+ lsr DBL0H,r0,r3
+ asl_s DBL0L,r0,r2
+#else
+ asl DBL0L,r0,r2
+ lsr_s DBL0H,r0,r3
+#endif
+ asl_s r12,r12,20
+ mov.lo DBL0H,DBL0L
+ sub_s DBL0H,DBL0H,r12
+.Lret0: j_s.d [blink]
+ mov.ls DBL0L,0
+ ENDFUNC(__floatunsidf)