libm: ARM: reorganize a bit to match ARM64

* Cleaner naming, especially if there are more ARM-specific routines in
  the future.

Change-Id: Id29db728800ccd612a906e86ccb95c1e7620514d
diff --git a/libm/Android.mk b/libm/Android.mk
index 7a7e3b0..7b28f70 100644
--- a/libm/Android.mk
+++ b/libm/Android.mk
@@ -283,9 +283,8 @@
 
 else
 LOCAL_SRC_FILES_arm += \
-    arm/e_sqrt.S \
-    arm/e_sqrtf.S \
-    arm/s_floor.S \
+    arm/sqrt.S \
+    arm/floor.S \
 
 endif
 
diff --git a/libm/arm/e_sqrtf.S b/libm/arm/e_sqrtf.S
deleted file mode 100644
index ddefb22..0000000
--- a/libm/arm/e_sqrtf.S
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (c) 2013-2014, NVIDIA Corporation.  All rights reserved.
- * Johhnny Qiu <joqiu@nvidia.com>
- * Shu Zhang <chazhang@nvidia.com>
- *
- * 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 Linux Foundation 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 "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
- * 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.
- */
-
-#include <private/bionic_asm.h>
-
-ENTRY(sqrtf)
-    vmov.f32    s0, r0
-    vsqrt.f32   s0, s0
-    vmov.f32    r0, s0
-    bx          lr
-END(sqrtf)
diff --git a/libm/arm/s_floor.S b/libm/arm/floor.S
similarity index 100%
rename from libm/arm/s_floor.S
rename to libm/arm/floor.S
diff --git a/libm/arm/e_sqrt.S b/libm/arm/sqrt.S
similarity index 94%
rename from libm/arm/e_sqrt.S
rename to libm/arm/sqrt.S
index 17312f5..f2981f4 100644
--- a/libm/arm/e_sqrt.S
+++ b/libm/arm/sqrt.S
@@ -39,4 +39,11 @@
     bx          lr
 END(sqrt)
 
+ENTRY(sqrtf)
+    vmov.f32    s0, r0
+    vsqrt.f32   s0, s0
+    vmov.f32    r0, s0
+    bx          lr
+END(sqrtf)
+
 ALIAS_SYMBOL(sqrtl, sqrt);