37 lines
1.0 KiB
ArmAsm
37 lines
1.0 KiB
ArmAsm
//===-- lesf2vfp.S - Implement lesf2vfp -----------------------------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "../assembly.h"
|
|
|
|
//
|
|
// extern int __lesf2vfp(float a, float b);
|
|
//
|
|
// Returns one iff a <= b and neither is NaN.
|
|
// Uses Darwin calling convention where single precision arguments are passsed
|
|
// like 32-bit ints
|
|
//
|
|
.syntax unified
|
|
.p2align 2
|
|
DEFINE_COMPILERRT_FUNCTION(__lesf2vfp)
|
|
#if defined(COMPILER_RT_ARMHF_TARGET)
|
|
vcmp.f32 s0, s1
|
|
#else
|
|
vmov s14, r0 // move from GPR 0 to float register
|
|
vmov s15, r1 // move from GPR 1 to float register
|
|
vcmp.f32 s14, s15
|
|
#endif
|
|
vmrs apsr_nzcv, fpscr
|
|
ITE(ls)
|
|
movls r0, #1 // set result register to 1 if equal
|
|
movhi r0, #0
|
|
bx lr
|
|
END_COMPILERRT_FUNCTION(__lesf2vfp)
|
|
|
|
NO_EXEC_STACK_DIRECTIVE
|
|
|