7686ff743c
This version of libcompiler_rt adds support for __mulo[sdt]i4(), which computes a multiply and its overflow flag. There are also a lot of cleanup fixes to headers that don't really affect us. Updating to this revision should make it a bit easier to contribute changes back to the LLVM developers.
26 lines
865 B
ArmAsm
26 lines
865 B
ArmAsm
//===-- adddf3vfp.S - Implement adddf3vfp ---------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "../assembly.h"
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//
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// double __adddf3vfp(double a, double b) { return a + b; }
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//
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// Adds two double precision floating point numbers using the Darwin
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// calling convention where double arguments are passsed in GPR pairs
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//
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.syntax unified
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.align 2
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DEFINE_COMPILERRT_FUNCTION(__adddf3vfp)
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vmov d6, r0, r1 // move first param from r0/r1 pair into d6
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vmov d7, r2, r3 // move second param from r2/r3 pair into d7
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vadd.f64 d6, d6, d7
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vmov r0, r1, d6 // move result back to r0/r1 pair
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bx lr
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