//===-- negsf2vfp.S - Implement negsf2vfp ---------------------------------===// // // 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 float __negsf2vfp(float a); // // Returns the negation of a single precision floating point numbers using the // Darwin calling convention where single arguments are passsed like 32-bit ints // .syntax unified .p2align 2 DEFINE_COMPILERRT_FUNCTION(__negsf2vfp) #if defined(COMPILER_RT_ARMHF_TARGET) vneg.f32 s0, s0 #else eor r0, r0, #-2147483648 // flip sign bit on float in r0 #endif bx lr END_COMPILERRT_FUNCTION(__negsf2vfp) NO_EXEC_STACK_DIRECTIVE |