aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/libgcc/config/arc/ieee-754/gesf2.S
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/libgcc/config/arc/ieee-754/gesf2.S')
-rw-r--r--gcc-4.9/libgcc/config/arc/ieee-754/gesf2.S75
1 files changed, 75 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/arc/ieee-754/gesf2.S b/gcc-4.9/libgcc/config/arc/ieee-754/gesf2.S
new file mode 100644
index 000000000..896901acd
--- /dev/null
+++ b/gcc-4.9/libgcc/config/arc/ieee-754/gesf2.S
@@ -0,0 +1,75 @@
+/* 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"
+/* inputs: r0, r1
+ output: c flag to be used for 'hs' condition
+ clobber: r12,flags */
+/* For NaNs, bit 22.. bit 30 must be set. */
+#if 0 /* DEBUG */
+ .global __gesf2
+ .balign 4
+ FUNC(__gesf2)
+__gesf2:
+ st.a r11,[sp,-4]` push_s blink` st.a r10,[sp,-4]` st.a r9,[sp,-4]
+ st.a r8,[sp,-4]` st.a r7,[sp,-4]` st.a r6,[sp,-4]` st.a r5,[sp,-4]
+ st.a r4,[sp,-4]` push_s r3` push_s r2` push_s r1`
+ bl.d __gesf2_c` push_s r0
+ mov r11,r0` pop_s r0` pop_s r1` pop_s r2` pop_s r3
+ ld.ab r4,[sp,4]` ld.ab r5,[sp,4]` ld.ab r6,[sp,4]`
+ ld.ab r7,[sp,4]` ld.ab r8,[sp,4]` ld.ab r9,[sp,4]
+ bl.d __gesf2_asm` ld.ab r10,[sp,4]
+ pop_s blink
+ brge.d r11,0,0f
+ ld.ab r11,[sp,4]
+ jlo [blink]
+ bl abort
+0: jhs [blink]
+ bl abort
+ ENDFUNC(__gesf2)
+#define __gesf2 __gesf2_asm
+#endif /* DEBUG */
+ .global __gesf2
+ .balign 4
+ HIDDEN_FUNC(__gesf2)
+__gesf2:
+ or.f r12,r0,r1
+ bmi.d .Lneg
+ bmsk_s r12,r12,23
+ add1.f 0,r12,r0 ; check for NaN
+ add1.cc.f r12,r12,r1
+ j_s.d [blink]
+ cmp.cc r0,r1
+ .balign 4
+.Lneg: breq.d r1,0,.L0
+ add1.f 0,r12,r0 ; check for NaN
+ add1.cc.f r12,r12,r1
+ j_s.d [blink]
+ cmp.cc r1,r0
+ .balign 4
+.L0: bxor.f 0,r0,31 ; check for -0
+ j_s.d [blink]
+ cmp.hi r1,r0
+ ENDFUNC(__gesf2)