.global fegetround
.type fegetround, @function
fegetround:
sts fpscr, r0
rts
and #3, r0
.global __fesetround
.type __fesetround, @function
__fesetround:
sts fpscr, r0
or r4, r0
lds r0, fpscr
rts
mov #0, r0
.global fetestexcept
.type fetestexcept, @function
fetestexcept:
sts fpscr, r0
and r4, r0
rts
and #0x7c, r0
.global feclearexcept
.type feclearexcept, @function
feclearexcept:
mov r4, r0
and #0x7c, r0
not r0, r4
sts fpscr, r0
and r4, r0
lds r0, fpscr
rts
mov #0, r0
.global feraiseexcept
.type feraiseexcept, @function
feraiseexcept:
mov r4, r0
and #0x7c, r0
sts fpscr, r4
or r4, r0
lds r0, fpscr
rts
mov #0, r0
.global fegetenv
.type fegetenv, @function
fegetenv:
sts fpscr, r0
mov.l r0, @r4
rts
mov #0, r0
.global fesetenv
.type fesetenv, @function
fesetenv:
mov r4, r0
cmp/eq #-1, r0
bf 1f
! the default environment is complicated by the fact that we need to
! preserve the current precision bit, which we do not know a priori
sts fpscr, r0
mov #8, r1
swap.w r1, r1
bra 2f
and r1, r0
1: mov.l @r4, r0 ! non-default environment
2: lds r0, fpscr
rts
mov #0, r0
