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;; Licensed to the .NET Foundation under one or more agreements.
;; The .NET Foundation licenses this file to you under the MIT license.
;; See the LICENSE file in the project root for more information.
.586
.xmm
.model flat
option casemap:none
.code
include AsmMacros.inc
FASTCALL_FUNC RhpFltRemRev, 8 ; float dividend, float divisor
fld dword ptr [esp+8] ; divisor
fld dword ptr [esp+4] ; dividend
fremloop:
fprem
wait
fnstsw ax
wait
sahf
jp fremloop ; Continue while the FPU status bit C2 is set
fxch st(1) ; swap, so divisor is on top and result is in st(1)
fstp st(0) ; Pop the divisor from the FP stack
ret 8
FASTCALL_ENDFUNC
FASTCALL_FUNC RhpDblRemRev, 16 ; double dividend, double divisor
fld qword ptr [esp+0Ch]
fld qword ptr [esp+4]
fremloopd:
fprem
wait
fnstsw ax
wait
sahf
jp fremloopd ; Continue while the FPU status bit C2 is set
fxch st(1) ; swap, so divisor is on top and result is in st(1)
fstp st(0) ; Pop the divisor from the FP stack
ret 10h
FASTCALL_ENDFUNC
FASTCALL_FUNC RhpFltRemRev_SSE2, 0 ; float dividend, float divisor
sub esp, 12 ;; 4 bytes of our stack, 8 bytes args
movd dword ptr [esp], xmm0
movd dword ptr [esp+4], xmm1
call @RhpFltRemRev@8 ;; pops 8 bytes of stack
fstp dword ptr [esp]
movd xmm0, dword ptr [esp]
add esp, 4
ret
FASTCALL_ENDFUNC
FASTCALL_FUNC RhpDblRemRev_SSE2, 0 ; float dividend, float divisor
sub esp, 24 ;; 8 bytes of our stack, 16 bytes args
movq qword ptr [esp], xmm0
movq qword ptr [esp+8], xmm1
call @RhpDblRemRev@16 ;; pops 16 bytes of stack
fstp qword ptr [esp]
movq xmm0, qword ptr [esp]
add esp, 8
ret
FASTCALL_ENDFUNC
end
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