forked from OSchip/llvm-project
34 lines
561 B
ArmAsm
34 lines
561 B
ArmAsm
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
|
|
#include "../assembly.h"
|
|
|
|
// float __floatundisf(du_int a);
|
|
|
|
#ifdef __x86_64__
|
|
|
|
#ifndef __ELF__
|
|
.literal4
|
|
#endif
|
|
two: .single 2.0
|
|
|
|
#define REL_ADDR(_a) (_a)(%rip)
|
|
|
|
.text
|
|
.align 4
|
|
DEFINE_COMPILERRT_FUNCTION(__floatundisf)
|
|
movq $1, %rsi
|
|
testq %rdi, %rdi
|
|
js 1f
|
|
cvtsi2ssq %rdi, %xmm0
|
|
ret
|
|
|
|
1: andq %rdi, %rsi
|
|
shrq %rdi
|
|
orq %rsi, %rdi
|
|
cvtsi2ssq %rdi, %xmm0
|
|
mulss REL_ADDR(two), %xmm0
|
|
ret
|
|
|
|
#endif // __x86_64__
|