27 lines
803 B
ArmAsm
27 lines
803 B
ArmAsm
//===-- negdf2vfp.S - Implement negdf2vfp ---------------------------------===//
|
|
//
|
|
// 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "../assembly.h"
|
|
|
|
//
|
|
// extern double __negdf2vfp(double a, double b);
|
|
//
|
|
// Returns the negation a double precision floating point numbers using the
|
|
// Darwin calling convention where double arguments are passsed in GPR pairs.
|
|
//
|
|
.syntax unified
|
|
.p2align 2
|
|
DEFINE_COMPILERRT_FUNCTION(__negdf2vfp)
|
|
eor r1, r1, #-2147483648 // flip sign bit on double in r0/r1 pair
|
|
bx lr
|
|
END_COMPILERRT_FUNCTION(__negdf2vfp)
|
|
|
|
NO_EXEC_STACK_DIRECTIVE
|
|
|