Move original compiler-rt functions (libgcc replacement) to lib/builtins directory

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@201393 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 22 insertions, 0 deletions

diff --git a/lib/builtins/negsf2.c b/lib/builtins/negsf2.c
new file mode 100644
index 000000000..29c17be41
--- /dev/null
+++ b/lib/builtins/negsf2.c
@@ -0,0 +1,22 @@
+//===-- lib/negsf2.c - single-precision negation ------------------*- C -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements single-precision soft-float negation.
+//
+//===----------------------------------------------------------------------===//
+
+#define SINGLE_PRECISION
+#include "fp_lib.h"
+
+ARM_EABI_FNALIAS(fneg, negsf2)
+
+COMPILER_RT_ABI fp_t
+__negsf2(fp_t a) {
+    return fromRep(toRep(a) ^ signBit);
+}