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#define LIBFFI_ASM
#include 
#include 
 
/* Constants for ffi_call_win64 */
#define STACK 0
#define PREP_ARGS_FN 32
#define ECIF 40
#define CIF_BYTES 48
#define CIF_FLAGS 56
#define RVALUE 64
#define FN 72
 
/* ffi_call_win64 (void (*prep_args_fn)(char *, extended_cif *),
                   extended_cif *ecif, unsigned bytes, unsigned flags,
                   unsigned *rvalue, void (*fn)());
 */
 
#ifdef _MSC_VER
PUBLIC  ffi_call_win64
 
EXTRN   __chkstk:NEAR
EXTRN   ffi_closure_win64_inner:NEAR
 
_TEXT   SEGMENT
 
;;; ffi_closure_win64 will be called with these registers set:
;;;    rax points to 'closure'
;;;    r11 contains a bit mask that specifies which of the
;;;    first four parameters are float or double
;;;
;;; It must move the parameters passed in registers to their stack location,
;;; call ffi_closure_win64_inner for the actual work, then return the result.
;;;
ffi_closure_win64 PROC FRAME
        ;; copy register arguments onto stack
        test    r11, 1
        jne     first_is_float
        mov     QWORD PTR [rsp+8], rcx
        jmp     second
first_is_float:
        movlpd  QWORD PTR [rsp+8], xmm0
 
second:
        test    r11, 2
        jne     second_is_float
        mov     QWORD PTR [rsp+16], rdx
        jmp     third
second_is_float:
        movlpd  QWORD PTR [rsp+16], xmm1
 
third:
        test    r11, 4
        jne     third_is_float
        mov     QWORD PTR [rsp+24], r8
        jmp     fourth
third_is_float:
        movlpd  QWORD PTR [rsp+24], xmm2
 
fourth:
        test    r11, 8
        jne     fourth_is_float
        mov     QWORD PTR [rsp+32], r9
        jmp     done
fourth_is_float:
        movlpd  QWORD PTR [rsp+32], xmm3
 
done:
        .ALLOCSTACK 40
        sub     rsp, 40
        .ENDPROLOG
        mov     rcx, rax        ; context is first parameter
        mov     rdx, rsp        ; stack is second parameter
        add     rdx, 48         ; point to start of arguments
        mov     rax, ffi_closure_win64_inner
        call    rax             ; call the real closure function
        add     rsp, 40
        movd    xmm0, rax       ; If the closure returned a float,
                                ; ffi_closure_win64_inner wrote it to rax
        ret     0
ffi_closure_win64 ENDP
 
ffi_call_win64 PROC FRAME
        ;; copy registers onto stack
        mov     QWORD PTR [rsp+32], r9
        mov     QWORD PTR [rsp+24], r8
        mov     QWORD PTR [rsp+16], rdx
        mov     QWORD PTR [rsp+8], rcx
        .PUSHREG rbp
        push    rbp
        .ALLOCSTACK 48
        sub     rsp, 48                                 ; 00000030H
        .SETFRAME rbp, 32
        lea     rbp, QWORD PTR [rsp+32]
        .ENDPROLOG
 
        mov     eax, DWORD PTR CIF_BYTES[rbp]
        add     rax, 15
        and     rax, -16
        call    __chkstk
        sub     rsp, rax
        lea     rax, QWORD PTR [rsp+32]
        mov     QWORD PTR STACK[rbp], rax
 
        mov     rdx, QWORD PTR ECIF[rbp]
        mov     rcx, QWORD PTR STACK[rbp]
        call    QWORD PTR PREP_ARGS_FN[rbp]
 
        mov     rsp, QWORD PTR STACK[rbp]
 
        movlpd  xmm3, QWORD PTR [rsp+24]
        movd    r9, xmm3
 
        movlpd  xmm2, QWORD PTR [rsp+16]
        movd    r8, xmm2
 
        movlpd  xmm1, QWORD PTR [rsp+8]
        movd    rdx, xmm1
 
        movlpd  xmm0, QWORD PTR [rsp]
        movd    rcx, xmm0
 
        call    QWORD PTR FN[rbp]
ret_struct4b$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_4B
        jne     ret_struct2b$
 
        mov     rcx, QWORD PTR RVALUE[rbp]
        mov     DWORD PTR [rcx], eax
        jmp     ret_void$
 
ret_struct2b$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_2B
        jne     ret_struct1b$
 
        mov     rcx, QWORD PTR RVALUE[rbp]
        mov     WORD PTR [rcx], ax
        jmp     ret_void$
 
ret_struct1b$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_1B
        jne     ret_uint8$
 
        mov     rcx, QWORD PTR RVALUE[rbp]
        mov     BYTE PTR [rcx], al
        jmp     ret_void$
 
ret_uint8$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT8
        jne     ret_sint8$
 
        mov     rcx, QWORD PTR RVALUE[rbp]
        movzx   rax, al
        mov     QWORD PTR [rcx], rax
        jmp     ret_void$
 
ret_sint8$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT8
        jne     ret_uint16$
 
        mov     rcx, QWORD PTR RVALUE[rbp]
        movsx   rax, al
        mov     QWORD PTR [rcx], rax
        jmp     ret_void$
 
ret_uint16$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT16
        jne     ret_sint16$
 
        mov     rcx, QWORD PTR RVALUE[rbp]
        movzx   rax, ax
        mov     QWORD PTR [rcx], rax
        jmp     SHORT ret_void$
 
ret_sint16$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT16
        jne     ret_uint32$
 
        mov     rcx, QWORD PTR RVALUE[rbp]
        movsx   rax, ax
        mov     QWORD PTR [rcx], rax
        jmp     SHORT ret_void$
 
ret_uint32$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT32
        jne     ret_sint32$
 
        mov     rcx, QWORD PTR RVALUE[rbp]
        mov     eax, eax
        mov     QWORD PTR [rcx], rax
        jmp     SHORT ret_void$
 
ret_sint32$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT32
        jne     ret_float$
 
        mov     rcx, QWORD PTR RVALUE[rbp]
        cdqe
        mov     QWORD PTR [rcx], rax
        jmp     SHORT ret_void$
 
ret_float$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_FLOAT
        jne     SHORT ret_double$
 
        mov     rax, QWORD PTR RVALUE[rbp]
        movss   DWORD PTR [rax], xmm0
        jmp     SHORT ret_void$
 
ret_double$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_DOUBLE
        jne     SHORT ret_sint64$
 
        mov     rax, QWORD PTR RVALUE[rbp]
        movlpd  QWORD PTR [rax], xmm0
        jmp     SHORT ret_void$
 
ret_sint64$:
        cmp     DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT64
        jne     ret_void$
 
        mov     rcx, QWORD PTR RVALUE[rbp]
        mov     QWORD PTR [rcx], rax
        jmp     SHORT ret_void$
 
ret_void$:
        xor     rax, rax
 
        lea     rsp, QWORD PTR [rbp+16]
        pop     rbp
        ret     0
ffi_call_win64 ENDP
_TEXT   ENDS
END
#else
.text
 
.extern _ffi_closure_win64_inner
 
# ffi_closure_win64 will be called with these registers set:
#    rax points to 'closure'
#    r11 contains a bit mask that specifies which of the
#    first four parameters are float or double
#
# It must move the parameters passed in registers to their stack location,
# call ffi_closure_win64_inner for the actual work, then return the result.
#
        .balign 16
        .globl _ffi_closure_win64
_ffi_closure_win64:
        # copy register arguments onto stack
        test    $1,%r11
        jne     .Lfirst_is_float
        mov     %rcx, 8(%rsp)
        jmp     .Lsecond
.Lfirst_is_float:
        movlpd  %xmm0, 8(%rsp)
 
.Lsecond:
        test    $2, %r11
        jne     .Lsecond_is_float
        mov     %rdx, 16(%rsp)
        jmp     .Lthird
.Lsecond_is_float:
        movlpd  %xmm1, 16(%rsp)
 
.Lthird:
        test    $4, %r11
        jne     .Lthird_is_float
        mov     %r8,24(%rsp)
        jmp     .Lfourth
.Lthird_is_float:
        movlpd  %xmm2, 24(%rsp)
 
.Lfourth:
        test    $8, %r11
        jne     .Lfourth_is_float
        mov     %r9, 32(%rsp)
        jmp     .Ldone
.Lfourth_is_float:
        movlpd  %xmm3, 32(%rsp)
 
.Ldone:
#.ALLOCSTACK 40
        sub     $40, %rsp
#.ENDPROLOG
        mov     %rax, %rcx      # context is first parameter
        mov     %rsp, %rdx      # stack is second parameter
        add     $48, %rdx       # point to start of arguments
        mov     $_ffi_closure_win64_inner, %rax
        callq   *%rax           # call the real closure function
        add     $40, %rsp
        movq    %rax, %xmm0     # If the closure returned a float,
                                # ffi_closure_win64_inner wrote it to rax
        retq
.ffi_closure_win64_end:
 
        .balign 16
        .globl  _ffi_call_win64
_ffi_call_win64:
        # copy registers onto stack
        mov     %r9,32(%rsp)
        mov     %r8,24(%rsp)
        mov     %rdx,16(%rsp)
        mov     %rcx,8(%rsp)
        #.PUSHREG rbp
        push    %rbp
        #.ALLOCSTACK 48
        sub     $48,%rsp
        #.SETFRAME rbp, 32
        lea     32(%rsp),%rbp
        #.ENDPROLOG
 
        mov     CIF_BYTES(%rbp),%eax
        add     $15, %rax
        and     $-16, %rax
        cmpq    $0x1000, %rax
        jb      Lch_done
Lch_probe:
        subq    $0x1000,%rsp
        orl     $0x0, (%rsp)
        subq    $0x1000,%rax
        cmpq    $0x1000,%rax
        ja      Lch_probe
Lch_done:
        subq    %rax, %rsp
        orl     $0x0, (%rsp)
        lea     32(%rsp), %rax
        mov     %rax, STACK(%rbp)
 
        mov     ECIF(%rbp), %rdx
        mov     STACK(%rbp), %rcx
        callq   *PREP_ARGS_FN(%rbp)
 
        mov     STACK(%rbp), %rsp
 
        movlpd  24(%rsp), %xmm3
        movd    %xmm3, %r9
 
        movlpd  16(%rsp), %xmm2
        movd    %xmm2, %r8
 
        movlpd  8(%rsp), %xmm1
        movd    %xmm1, %rdx
 
        movlpd  (%rsp), %xmm0
        movd    %xmm0, %rcx
 
        callq   *FN(%rbp)
.Lret_struct4b:
        cmpl    $FFI_TYPE_SMALL_STRUCT_4B, CIF_FLAGS(%rbp)
        jne .Lret_struct2b
 
        mov     RVALUE(%rbp), %rcx
        mov     %eax, (%rcx)
        jmp     .Lret_void
 
.Lret_struct2b:
        cmpl    $FFI_TYPE_SMALL_STRUCT_2B, CIF_FLAGS(%rbp)
        jne .Lret_struct1b
 
        mov     RVALUE(%rbp), %rcx
        mov     %ax, (%rcx)
        jmp .Lret_void
 
.Lret_struct1b:
        cmpl    $FFI_TYPE_SMALL_STRUCT_1B, CIF_FLAGS(%rbp)
        jne .Lret_uint8
 
        mov     RVALUE(%rbp), %rcx
        mov     %al, (%rcx)
        jmp .Lret_void
 
.Lret_uint8:
        cmpl    $FFI_TYPE_UINT8, CIF_FLAGS(%rbp)
        jne .Lret_sint8
 
        mov     RVALUE(%rbp), %rcx
        movzbq  %al, %rax
        movq    %rax, (%rcx)
        jmp .Lret_void
 
.Lret_sint8:
        cmpl    $FFI_TYPE_SINT8, CIF_FLAGS(%rbp)
        jne .Lret_uint16
 
        mov     RVALUE(%rbp), %rcx
        movsbq  %al, %rax
        movq    %rax, (%rcx)
        jmp .Lret_void
 
.Lret_uint16:
        cmpl    $FFI_TYPE_UINT16, CIF_FLAGS(%rbp)
        jne .Lret_sint16
 
        mov     RVALUE(%rbp), %rcx
        movzwq  %ax, %rax
        movq    %rax, (%rcx)
        jmp .Lret_void
 
.Lret_sint16:
        cmpl    $FFI_TYPE_SINT16, CIF_FLAGS(%rbp)
        jne .Lret_uint32
 
        mov     RVALUE(%rbp), %rcx
        movswq  %ax, %rax
        movq    %rax, (%rcx)
        jmp .Lret_void
 
.Lret_uint32:
        cmpl    $FFI_TYPE_UINT32, CIF_FLAGS(%rbp)
        jne .Lret_sint32
 
        mov     RVALUE(%rbp), %rcx
        movl    %eax, %eax
        movq    %rax, (%rcx)
        jmp .Lret_void
 
.Lret_sint32:
        cmpl    $FFI_TYPE_SINT32, CIF_FLAGS(%rbp)
        jne     .Lret_float
 
        mov     RVALUE(%rbp), %rcx
        cltq
        movq    %rax, (%rcx)
        jmp     .Lret_void
 
.Lret_float:
        cmpl    $FFI_TYPE_FLOAT, CIF_FLAGS(%rbp)
        jne     .Lret_double
 
        mov     RVALUE(%rbp), %rax
        movss   %xmm0, (%rax)
        jmp     .Lret_void
 
.Lret_double:
        cmpl    $FFI_TYPE_DOUBLE, CIF_FLAGS(%rbp)
        jne     .Lret_sint64
 
        mov     RVALUE(%rbp), %rax
        movlpd  %xmm0, (%rax)
        jmp     .Lret_void
 
.Lret_sint64:
        cmpl    $FFI_TYPE_SINT64, CIF_FLAGS(%rbp)
        jne     .Lret_void
 
        mov     RVALUE(%rbp), %rcx
        mov     %rax, (%rcx)
        jmp     .Lret_void
 
.Lret_void:
        xor     %rax, %rax
 
        lea     16(%rbp), %rsp
        pop     %rbp
        retq
.ffi_call_win64_end:
#endif /* !_MSC_VER */
 

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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libffi/] [src/] [x86/] [win64.S] - Blame information for rev 747

Line No.	Rev	Author	Line
1	732	jeremybenn	`#define LIBFFI_ASM`
2			`#include`
3			`#include`
4
5			`/* Constants for ffi_call_win64 */`
6			`#define STACK 0`
7			`#define PREP_ARGS_FN 32`
8			`#define ECIF 40`
9			`#define CIF_BYTES 48`
10			`#define CIF_FLAGS 56`
11			`#define RVALUE 64`
12			`#define FN 72`
13
14			`/* ffi_call_win64 (void (prep_args_fn)(char , extended_cif *),`
15			`extended_cif *ecif, unsigned bytes, unsigned flags,`
16			`unsigned rvalue, void (fn)());`
17			`*/`
18
19			`#ifdef _MSC_VER`
20			`PUBLIC ffi_call_win64`
21
22			`EXTRN __chkstk:NEAR`
23			`EXTRN ffi_closure_win64_inner:NEAR`
24
25			`_TEXT SEGMENT`
26
27			`;;; ffi_closure_win64 will be called with these registers set:`
28			`;;; rax points to 'closure'`
29			`;;; r11 contains a bit mask that specifies which of the`
30			`;;; first four parameters are float or double`
31			`;;;`
32			`;;; It must move the parameters passed in registers to their stack location,`
33			`;;; call ffi_closure_win64_inner for the actual work, then return the result.`
34			`;;;`
35			`ffi_closure_win64 PROC FRAME`
36			`;; copy register arguments onto stack`
37			`test r11, 1`
38			`jne first_is_float`
39			`mov QWORD PTR [rsp+8], rcx`
40			`jmp second`
41			`first_is_float:`
42			`movlpd QWORD PTR [rsp+8], xmm0`
43
44			`second:`
45			`test r11, 2`
46			`jne second_is_float`
47			`mov QWORD PTR [rsp+16], rdx`
48			`jmp third`
49			`second_is_float:`
50			`movlpd QWORD PTR [rsp+16], xmm1`
51
52			`third:`
53			`test r11, 4`
54			`jne third_is_float`
55			`mov QWORD PTR [rsp+24], r8`
56			`jmp fourth`
57			`third_is_float:`
58			`movlpd QWORD PTR [rsp+24], xmm2`
59
60			`fourth:`
61			`test r11, 8`
62			`jne fourth_is_float`
63			`mov QWORD PTR [rsp+32], r9`
64			`jmp done`
65			`fourth_is_float:`
66			`movlpd QWORD PTR [rsp+32], xmm3`
67
68			`done:`
69			`.ALLOCSTACK 40`
70			`sub rsp, 40`
71			`.ENDPROLOG`
72			`mov rcx, rax ; context is first parameter`
73			`mov rdx, rsp ; stack is second parameter`
74			`add rdx, 48 ; point to start of arguments`
75			`mov rax, ffi_closure_win64_inner`
76			`call rax ; call the real closure function`
77			`add rsp, 40`
78			`movd xmm0, rax ; If the closure returned a float,`
79			`; ffi_closure_win64_inner wrote it to rax`
80			`ret 0`
81			`ffi_closure_win64 ENDP`
82
83			`ffi_call_win64 PROC FRAME`
84			`;; copy registers onto stack`
85			`mov QWORD PTR [rsp+32], r9`
86			`mov QWORD PTR [rsp+24], r8`
87			`mov QWORD PTR [rsp+16], rdx`
88			`mov QWORD PTR [rsp+8], rcx`
89			`.PUSHREG rbp`
90			`push rbp`
91			`.ALLOCSTACK 48`
92			`sub rsp, 48 ; 00000030H`
93			`.SETFRAME rbp, 32`
94			`lea rbp, QWORD PTR [rsp+32]`
95			`.ENDPROLOG`
96
97			`mov eax, DWORD PTR CIF_BYTES[rbp]`
98			`add rax, 15`
99			`and rax, -16`
100			`call __chkstk`
101			`sub rsp, rax`
102			`lea rax, QWORD PTR [rsp+32]`
103			`mov QWORD PTR STACK[rbp], rax`
104
105			`mov rdx, QWORD PTR ECIF[rbp]`
106			`mov rcx, QWORD PTR STACK[rbp]`
107			`call QWORD PTR PREP_ARGS_FN[rbp]`
108
109			`mov rsp, QWORD PTR STACK[rbp]`
110
111			`movlpd xmm3, QWORD PTR [rsp+24]`
112			`movd r9, xmm3`
113
114			`movlpd xmm2, QWORD PTR [rsp+16]`
115			`movd r8, xmm2`
116
117			`movlpd xmm1, QWORD PTR [rsp+8]`
118			`movd rdx, xmm1`
119
120			`movlpd xmm0, QWORD PTR [rsp]`
121			`movd rcx, xmm0`
122
123			`call QWORD PTR FN[rbp]`
124			`ret_struct4b$:`
125			`cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_4B`
126			`jne ret_struct2b$`
127
128			`mov rcx, QWORD PTR RVALUE[rbp]`
129			`mov DWORD PTR [rcx], eax`
130			`jmp ret_void$`
131
132			`ret_struct2b$:`
133			`cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_2B`
134			`jne ret_struct1b$`
135
136			`mov rcx, QWORD PTR RVALUE[rbp]`
137			`mov WORD PTR [rcx], ax`
138			`jmp ret_void$`
139
140			`ret_struct1b$:`
141			`cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_1B`
142			`jne ret_uint8$`
143
144			`mov rcx, QWORD PTR RVALUE[rbp]`
145			`mov BYTE PTR [rcx], al`
146			`jmp ret_void$`
147
148			`ret_uint8$:`
149			`cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT8`
150			`jne ret_sint8$`
151
152			`mov rcx, QWORD PTR RVALUE[rbp]`
153			`movzx rax, al`
154			`mov QWORD PTR [rcx], rax`
155			`jmp ret_void$`
156
157			`ret_sint8$:`
158			`cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT8`
159			`jne ret_uint16$`
160
161			`mov rcx, QWORD PTR RVALUE[rbp]`
162			`movsx rax, al`
163			`mov QWORD PTR [rcx], rax`
164			`jmp ret_void$`
165
166			`ret_uint16$:`
167			`cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT16`
168			`jne ret_sint16$`
169
170			`mov rcx, QWORD PTR RVALUE[rbp]`
171			`movzx rax, ax`
172			`mov QWORD PTR [rcx], rax`
173			`jmp SHORT ret_void$`
174
175			`ret_sint16$:`
176			`cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT16`
177			`jne ret_uint32$`
178
179			`mov rcx, QWORD PTR RVALUE[rbp]`
180			`movsx rax, ax`
181			`mov QWORD PTR [rcx], rax`
182			`jmp SHORT ret_void$`
183
184			`ret_uint32$:`
185			`cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT32`
186			`jne ret_sint32$`
187
188			`mov rcx, QWORD PTR RVALUE[rbp]`
189			`mov eax, eax`
190			`mov QWORD PTR [rcx], rax`
191			`jmp SHORT ret_void$`
192
193			`ret_sint32$:`
194			`cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT32`
195			`jne ret_float$`
196
197			`mov rcx, QWORD PTR RVALUE[rbp]`
198			`cdqe`
199			`mov QWORD PTR [rcx], rax`
200			`jmp SHORT ret_void$`
201
202			`ret_float$:`
203			`cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_FLOAT`
204			`jne SHORT ret_double$`
205
206			`mov rax, QWORD PTR RVALUE[rbp]`
207			`movss DWORD PTR [rax], xmm0`
208			`jmp SHORT ret_void$`
209
210			`ret_double$:`
211			`cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_DOUBLE`
212			`jne SHORT ret_sint64$`
213
214			`mov rax, QWORD PTR RVALUE[rbp]`
215			`movlpd QWORD PTR [rax], xmm0`
216			`jmp SHORT ret_void$`
217
218			`ret_sint64$:`
219			`cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT64`
220			`jne ret_void$`
221
222			`mov rcx, QWORD PTR RVALUE[rbp]`
223			`mov QWORD PTR [rcx], rax`
224			`jmp SHORT ret_void$`
225
226			`ret_void$:`
227			`xor rax, rax`
228
229			`lea rsp, QWORD PTR [rbp+16]`
230			`pop rbp`
231			`ret 0`
232			`ffi_call_win64 ENDP`
233			`_TEXT ENDS`
234			`END`
235			`#else`
236			`.text`
237
238			`.extern _ffi_closure_win64_inner`
239
240			`# ffi_closure_win64 will be called with these registers set:`
241			`# rax points to 'closure'`
242			`# r11 contains a bit mask that specifies which of the`
243			`# first four parameters are float or double`
244			`#`
245			`# It must move the parameters passed in registers to their stack location,`
246			`# call ffi_closure_win64_inner for the actual work, then return the result.`
247			`#`
248			`.balign 16`
249			`.globl _ffi_closure_win64`
250			`_ffi_closure_win64:`
251			`# copy register arguments onto stack`
252			`test $1,%r11`
253			`jne .Lfirst_is_float`
254			`mov %rcx, 8(%rsp)`
255			`jmp .Lsecond`
256			`.Lfirst_is_float:`
257			`movlpd %xmm0, 8(%rsp)`
258
259			`.Lsecond:`
260			`test $2, %r11`
261			`jne .Lsecond_is_float`
262			`mov %rdx, 16(%rsp)`
263			`jmp .Lthird`
264			`.Lsecond_is_float:`
265			`movlpd %xmm1, 16(%rsp)`
266
267			`.Lthird:`
268			`test $4, %r11`
269			`jne .Lthird_is_float`
270			`mov %r8,24(%rsp)`
271			`jmp .Lfourth`
272			`.Lthird_is_float:`
273			`movlpd %xmm2, 24(%rsp)`
274
275			`.Lfourth:`
276			`test $8, %r11`
277			`jne .Lfourth_is_float`
278			`mov %r9, 32(%rsp)`
279			`jmp .Ldone`
280			`.Lfourth_is_float:`
281			`movlpd %xmm3, 32(%rsp)`
282
283			`.Ldone:`
284			`#.ALLOCSTACK 40`
285			`sub $40, %rsp`
286			`#.ENDPROLOG`
287			`mov %rax, %rcx # context is first parameter`
288			`mov %rsp, %rdx # stack is second parameter`
289			`add $48, %rdx # point to start of arguments`
290			`mov $_ffi_closure_win64_inner, %rax`
291			`callq *%rax # call the real closure function`
292			`add $40, %rsp`
293			`movq %rax, %xmm0 # If the closure returned a float,`
294			`# ffi_closure_win64_inner wrote it to rax`
295			`retq`
296			`.ffi_closure_win64_end:`
297
298			`.balign 16`
299			`.globl _ffi_call_win64`
300			`_ffi_call_win64:`
301			`# copy registers onto stack`
302			`mov %r9,32(%rsp)`
303			`mov %r8,24(%rsp)`
304			`mov %rdx,16(%rsp)`
305			`mov %rcx,8(%rsp)`
306			`#.PUSHREG rbp`
307			`push %rbp`
308			`#.ALLOCSTACK 48`
309			`sub $48,%rsp`
310			`#.SETFRAME rbp, 32`
311			`lea 32(%rsp),%rbp`
312			`#.ENDPROLOG`
313
314			`mov CIF_BYTES(%rbp),%eax`
315			`add $15, %rax`
316			`and $-16, %rax`
317			`cmpq $0x1000, %rax`
318			`jb Lch_done`
319			`Lch_probe:`
320			`subq $0x1000,%rsp`
321			`orl $0x0, (%rsp)`
322			`subq $0x1000,%rax`
323			`cmpq $0x1000,%rax`
324			`ja Lch_probe`
325			`Lch_done:`
326			`subq %rax, %rsp`
327			`orl $0x0, (%rsp)`
328			`lea 32(%rsp), %rax`
329			`mov %rax, STACK(%rbp)`
330
331			`mov ECIF(%rbp), %rdx`
332			`mov STACK(%rbp), %rcx`
333			`callq *PREP_ARGS_FN(%rbp)`
334
335			`mov STACK(%rbp), %rsp`
336
337			`movlpd 24(%rsp), %xmm3`
338			`movd %xmm3, %r9`
339
340			`movlpd 16(%rsp), %xmm2`
341			`movd %xmm2, %r8`
342
343			`movlpd 8(%rsp), %xmm1`
344			`movd %xmm1, %rdx`
345
346			`movlpd (%rsp), %xmm0`
347			`movd %xmm0, %rcx`
348
349			`callq *FN(%rbp)`
350			`.Lret_struct4b:`
351			`cmpl $FFI_TYPE_SMALL_STRUCT_4B, CIF_FLAGS(%rbp)`
352			`jne .Lret_struct2b`
353
354			`mov RVALUE(%rbp), %rcx`
355			`mov %eax, (%rcx)`
356			`jmp .Lret_void`
357
358			`.Lret_struct2b:`
359			`cmpl $FFI_TYPE_SMALL_STRUCT_2B, CIF_FLAGS(%rbp)`
360			`jne .Lret_struct1b`
361
362			`mov RVALUE(%rbp), %rcx`
363			`mov %ax, (%rcx)`
364			`jmp .Lret_void`
365
366			`.Lret_struct1b:`
367			`cmpl $FFI_TYPE_SMALL_STRUCT_1B, CIF_FLAGS(%rbp)`
368			`jne .Lret_uint8`
369
370			`mov RVALUE(%rbp), %rcx`
371			`mov %al, (%rcx)`
372			`jmp .Lret_void`
373
374			`.Lret_uint8:`
375			`cmpl $FFI_TYPE_UINT8, CIF_FLAGS(%rbp)`
376			`jne .Lret_sint8`
377
378			`mov RVALUE(%rbp), %rcx`
379			`movzbq %al, %rax`
380			`movq %rax, (%rcx)`
381			`jmp .Lret_void`
382
383			`.Lret_sint8:`
384			`cmpl $FFI_TYPE_SINT8, CIF_FLAGS(%rbp)`
385			`jne .Lret_uint16`
386
387			`mov RVALUE(%rbp), %rcx`
388			`movsbq %al, %rax`
389			`movq %rax, (%rcx)`
390			`jmp .Lret_void`
391
392			`.Lret_uint16:`
393			`cmpl $FFI_TYPE_UINT16, CIF_FLAGS(%rbp)`
394			`jne .Lret_sint16`
395
396			`mov RVALUE(%rbp), %rcx`
397			`movzwq %ax, %rax`
398			`movq %rax, (%rcx)`
399			`jmp .Lret_void`
400
401			`.Lret_sint16:`
402			`cmpl $FFI_TYPE_SINT16, CIF_FLAGS(%rbp)`
403			`jne .Lret_uint32`
404
405			`mov RVALUE(%rbp), %rcx`
406			`movswq %ax, %rax`
407			`movq %rax, (%rcx)`
408			`jmp .Lret_void`
409
410			`.Lret_uint32:`
411			`cmpl $FFI_TYPE_UINT32, CIF_FLAGS(%rbp)`
412			`jne .Lret_sint32`
413
414			`mov RVALUE(%rbp), %rcx`
415			`movl %eax, %eax`
416			`movq %rax, (%rcx)`
417			`jmp .Lret_void`
418
419			`.Lret_sint32:`
420			`cmpl $FFI_TYPE_SINT32, CIF_FLAGS(%rbp)`
421			`jne .Lret_float`
422
423			`mov RVALUE(%rbp), %rcx`
424			`cltq`
425			`movq %rax, (%rcx)`
426			`jmp .Lret_void`
427
428			`.Lret_float:`
429			`cmpl $FFI_TYPE_FLOAT, CIF_FLAGS(%rbp)`
430			`jne .Lret_double`
431
432			`mov RVALUE(%rbp), %rax`
433			`movss %xmm0, (%rax)`
434			`jmp .Lret_void`
435
436			`.Lret_double:`
437			`cmpl $FFI_TYPE_DOUBLE, CIF_FLAGS(%rbp)`
438			`jne .Lret_sint64`
439
440			`mov RVALUE(%rbp), %rax`
441			`movlpd %xmm0, (%rax)`
442			`jmp .Lret_void`
443
444			`.Lret_sint64:`
445			`cmpl $FFI_TYPE_SINT64, CIF_FLAGS(%rbp)`
446			`jne .Lret_void`
447
448			`mov RVALUE(%rbp), %rcx`
449			`mov %rax, (%rcx)`
450			`jmp .Lret_void`
451
452			`.Lret_void:`
453			`xor %rax, %rax`
454
455			`lea 16(%rbp), %rsp`
456			`pop %rbp`
457			`retq`
458			`.ffi_call_win64_end:`
459			`#endif /* !_MSC_VER */`
460