newlib/winsup/cygwin/math/nearbyintf.S

58 lines
1.1 KiB
ArmAsm
Raw Normal View History

/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#include <_mingw_mac.h>
.file "nearbyintf.S"
.text
#ifdef __x86_64__
.align 8
#else
.align 4
#endif
.globl __MINGW_USYMBOL(nearbyintf)
.def __MINGW_USYMBOL(nearbyintf); .scl 2; .type 32; .endef
__MINGW_USYMBOL(nearbyintf):
#if defined(_AMD64_) || defined(__x86_64__)
movss %xmm0,-12(%rsp)
flds -12(%rsp)
pushq %rax
pushq %rcx
fnstcw (%rsp)
movq (%rsp), %rax
orq $0x20, %rax
movq %rax, 8(%rsp)
fldcw 8(%rsp)
frndint
fclex
fldcw (%rsp)
popq %rcx
popq %rax
fstps -12(%rsp)
movss -12(%rsp),%xmm0
ret
#elif defined(_ARM_) || defined(__arm__)
vmrs r1, fpscr
vcvt.s32.f32 s0, s0
vcvt.f32.s32 s0, s0
vmsr fpscr, r1
bx lr
#elif defined(_X86_) || defined(__i386__)
flds 4(%esp)
pushl %eax
pushl %ecx
fnstcw (%esp)
movl (%esp), %eax
orl $0x20, %eax
movl %eax, 4(%esp)
fldcw 4(%esp)
frndint
fclex
fldcw (%esp)
popl %ecx
popl %eax
ret
#endif