forked from OSchip/llvm-project
33 lines
1005 B
ArmAsm
33 lines
1005 B
ArmAsm
//===-- mulsf3vfp.S - Implement mulsf3vfp ---------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "../assembly.h"
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//
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// extern float __mulsf3vfp(float a, float b);
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//
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// Multiplies two single precision floating point numbers using the Darwin
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// calling convention where single arguments are passsed like 32-bit ints.
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//
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.syntax unified
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.p2align 2
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DEFINE_COMPILERRT_FUNCTION(__mulsf3vfp)
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#if defined(COMPILER_RT_ARMHF_TARGET)
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vmul.f32 s0, s0, s1
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#else
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vmov s14, r0 // move first param from r0 into float register
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vmov s15, r1 // move second param from r1 into float register
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vmul.f32 s13, s14, s15
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#endif
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vmov r0, s13 // move result back to r0
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bx lr
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END_COMPILERRT_FUNCTION(__mulsf3vfp)
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NO_EXEC_STACK_DIRECTIVE
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