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/**
* 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 "trunc.S"
.text
.p2align 4,,15
.globl __MINGW_USYMBOL(trunc)
.def __MINGW_USYMBOL(trunc); .scl 2; .type 32; .endef
#ifdef _WIN64
.seh_proc __MINGW_USYMBOL(trunc)
#endif
__MINGW_USYMBOL(trunc):
#if defined(_AMD64_) || defined(__x86_64__)
subq $24, %rsp
.seh_stackalloc 24
.seh_endprologue
movsd %xmm0, 8(%rsp)
movq 8(%rsp), %r8
movq %r8, %rdx
shrq $32, %rdx
movl %edx, %eax
sarl $20, %eax
andl $2047, %eax
leal -1023(%rax), %ecx
cmpl $19, %ecx
jg .l1
movl %edx, %r8d
andl $-2147483648, %r8d
testl %ecx, %ecx
js .l3
movl $1048575, %eax
sarl %cl, %eax
notl %eax
andl %edx, %eax
orl %r8d, %eax
salq $32, %rax
movq %rax, 8(%rsp)
movsd 8(%rsp), %xmm0
addq $24, %rsp
ret
.p2align 4,,10
.l1:
cmpl $51, %ecx
jle .l2
/* Is x inf/nan? */
cmpl $1024, %ecx
jne .noinfnan
addsd %xmm0, %xmm0
.noinfnan:
addq $24, %rsp
ret
.p2align 4,,10
.l2:
leal -1043(%rax), %ecx
movl $-1, %r9d
salq $32, %rdx
shrl %cl, %r9d
notl %r9d
andl %r9d, %r8d
orq %r8, %rdx
movq %rdx, 8(%rsp)
movsd 8(%rsp), %xmm0
addq $24, %rsp
ret
.p2align 4,,10
.l3:
salq $32, %r8
movq %r8, 8(%rsp)
movsd 8(%rsp), %xmm0
addq $24, %rsp
ret
.seh_endproc
#elif defined(_ARM_) || defined(__arm__)
vmrs r1, fpscr
orr r0, r1, #0x00c00000 /* Round towards Zero */
vmsr fpscr, r0
vcvtr.s32.f64 s0, d0
vcvt.f64.s32 d0, s0
vmsr fpscr, r1
bx lr
#elif defined(_X86_) || defined(__i386__)
fldl 4(%esp)
subl $8, %esp
fstcw (%esp)
/* FE_TOWARDZERO */
movzwl (%esp), %eax
orb $0xc, %ah
movw %ax, 4(%esp)
fldcw 4(%esp)
frndint
fldcw (%esp)
addl $8, %esp
ret
#endif