[compiler-rt] [compiler-rt][ARM] Optimized mulsf3 and divsf3 (PR #161546)

[Saleem Abdulrasool via llvm-commits]

================
@@ -0,0 +1,251 @@
+//===-- mulsf3.S - single-precision floating point multiplication ---------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements single-precision soft-float multiplication with the
+// IEEE-754 default rounding (to nearest, ties to even), in optimized Thumb1
+// assembly language.
+//
+//===----------------------------------------------------------------------===//
+
+#include "../../assembly.h"
+
+  .syntax unified
+  .text
+  .thumb
+  .p2align 2
+
+DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_fmul, __mulsf3)
+
+DEFINE_COMPILERRT_FUNCTION(__mulsf3)
----------------
compnerd wrote:

Given the previous `.thumb`, I think that we should use `DEFINE_COMPILERRT_THUMB_FUNCTION` instead.

https://github.com/llvm/llvm-project/pull/161546