blob: 1cc2bd14f810e9228404dd6ed41528649f9d2a3b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
//===-- gtsf2vfp.S - Implement gtsf2vfp -----------------------------------===//
//
// 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 __gtsf2vfp(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(__gtsf2vfp)
#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(gt)
movgt r0, #1 // set result register to 1 if equal
movle r0, #0
bx lr
END_COMPILERRT_FUNCTION(__gtsf2vfp)
NO_EXEC_STACK_DIRECTIVE
|
