From b0a04aaa595ba76468e521f12727a872d144d6d0 Mon Sep 17 00:00:00 2001
From: Ed Schouten <ed@FreeBSD.org>
Date: Thu, 2 Jun 2011 20:02:42 +0000
Subject: Import compiler-rt r132478.

---
 lib/subsf3.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 lib/subsf3.c

(limited to 'lib/subsf3.c')

diff --git a/lib/subsf3.c b/lib/subsf3.c
new file mode 100644
index 000000000000..625376acc376
--- /dev/null
+++ b/lib/subsf3.c
@@ -0,0 +1,29 @@
+//===-- lib/subsf3.c - Single-precision subtraction ---------------*- 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 subtraction with the
+// IEEE-754 default rounding (to nearest, ties to even).
+//
+//===----------------------------------------------------------------------===//
+#include "abi.h"
+
+#define SINGLE_PRECISION
+#include "fp_lib.h"
+
+fp_t COMPILER_RT_ABI __addsf3(fp_t a, fp_t b);
+
+ARM_EABI_FNALIAS(fsub, subsf3);
+
+// Subtraction; flip the sign bit of b and add.
+COMPILER_RT_ABI fp_t
+__subsf3(fp_t a, fp_t b) {
+    return __addsf3(a, fromRep(toRep(b) ^ signBit));
+}
+
+/* FIXME: rsub for ARM EABI */
-- 
cgit v1.2.3