; z_Windows_NT-586_asm.asm: - microtasking routines specifically
; written for IA-32 architecture and Intel(R) 64 running Windows* OS
;
;//===----------------------------------------------------------------------===//
;//
;// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
;// See https://llvm.org/LICENSE.txt for license information.
;// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
;//
;//===----------------------------------------------------------------------===//
;
TITLE z_Windows_NT-586_asm.asm
; ============================= IA-32 architecture ==========================
ifdef _M_IA32
.586P
if @Version gt 510
.model HUGE
else
_TEXT SEGMENT PARA USE32 PUBLIC 'CODE'
_TEXT ENDS
_DATA SEGMENT DWORD USE32 PUBLIC 'DATA'
_DATA ENDS
CONST SEGMENT DWORD USE32 PUBLIC 'CONST'
CONST ENDS
_BSS SEGMENT DWORD USE32 PUBLIC 'BSS'
_BSS ENDS
$$SYMBOLS SEGMENT BYTE USE32 'DEBSYM'
$$SYMBOLS ENDS
$$TYPES SEGMENT BYTE USE32 'DEBTYP'
$$TYPES ENDS
_TLS SEGMENT DWORD USE32 PUBLIC 'TLS'
_TLS ENDS
FLAT GROUP _DATA, CONST, _BSS
ASSUME CS: FLAT, DS: FLAT, SS: FLAT
endif
;------------------------------------------------------------------------
; FUNCTION ___kmp_x86_pause
;
; void
; __kmp_x86_pause( void )
PUBLIC ___kmp_x86_pause
_p$ = 4
_d$ = 8
_TEXT SEGMENT
ALIGN 16
___kmp_x86_pause PROC NEAR
db 0f3H
db 090H ;; pause
ret
___kmp_x86_pause ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_x86_cpuid
;
; void
; __kmp_x86_cpuid( int mode, int mode2, struct kmp_cpuid *p );
PUBLIC ___kmp_x86_cpuid
_TEXT SEGMENT
ALIGN 16
_mode$ = 8
_mode2$ = 12
_p$ = 16
_eax$ = 0
_ebx$ = 4
_ecx$ = 8
_edx$ = 12
___kmp_x86_cpuid PROC NEAR
push ebp
mov ebp, esp
push edi
push ebx
push ecx
push edx
mov eax, DWORD PTR _mode$[ebp]
mov ecx, DWORD PTR _mode2$[ebp]
cpuid ; Query the CPUID for the current processor
mov edi, DWORD PTR _p$[ebp]
mov DWORD PTR _eax$[ edi ], eax
mov DWORD PTR _ebx$[ edi ], ebx
mov DWORD PTR _ecx$[ edi ], ecx
mov DWORD PTR _edx$[ edi ], edx
pop edx
pop ecx
pop ebx
pop edi
mov esp, ebp
pop ebp
ret
___kmp_x86_cpuid ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_test_then_add32
;
; kmp_int32
; __kmp_test_then_add32( volatile kmp_int32 *p, kmp_int32 d );
PUBLIC ___kmp_test_then_add32
_p$ = 4
_d$ = 8
_TEXT SEGMENT
ALIGN 16
___kmp_test_then_add32 PROC NEAR
mov eax, DWORD PTR _d$[esp]
mov ecx, DWORD PTR _p$[esp]
lock xadd DWORD PTR [ecx], eax
ret
___kmp_test_then_add32 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_compare_and_store8
;
; kmp_int8
; __kmp_compare_and_store8( volatile kmp_int8 *p, kmp_int8 cv, kmp_int8 sv );
PUBLIC ___kmp_compare_and_store8
_TEXT SEGMENT
ALIGN 16
_p$ = 4
_cv$ = 8
_sv$ = 12
___kmp_compare_and_store8 PROC NEAR
mov ecx, DWORD PTR _p$[esp]
mov al, BYTE PTR _cv$[esp]
mov dl, BYTE PTR _sv$[esp]
lock cmpxchg BYTE PTR [ecx], dl
sete al ; if al == [ecx] set al = 1 else set al = 0
and eax, 1 ; sign extend previous instruction
ret
___kmp_compare_and_store8 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_compare_and_store16
;
; kmp_int16
; __kmp_compare_and_store16( volatile kmp_int16 *p, kmp_int16 cv, kmp_int16 sv );
PUBLIC ___kmp_compare_and_store16
_TEXT SEGMENT
ALIGN 16
_p$ = 4
_cv$ = 8
_sv$ = 12
___kmp_compare_and_store16 PROC NEAR
mov ecx, DWORD PTR _p$[esp]
mov ax, WORD PTR _cv$[esp]
mov dx, WORD PTR _sv$[esp]
lock cmpxchg WORD PTR [ecx], dx
sete al ; if ax == [ecx] set al = 1 else set al = 0
and eax, 1 ; sign extend previous instruction
ret
___kmp_compare_and_store16 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_compare_and_store32
;
; kmp_int32
; __kmp_compare_and_store32( volatile kmp_int32 *p, kmp_int32 cv, kmp_int32 sv );
PUBLIC ___kmp_compare_and_store32
_TEXT SEGMENT
ALIGN 16
_p$ = 4
_cv$ = 8
_sv$ = 12
___kmp_compare_and_store32 PROC NEAR
mov ecx, DWORD PTR _p$[esp]
mov eax, DWORD PTR _cv$[esp]
mov edx, DWORD PTR _sv$[esp]
lock cmpxchg DWORD PTR [ecx], edx
sete al ; if eax == [ecx] set al = 1 else set al = 0
and eax, 1 ; sign extend previous instruction
ret
___kmp_compare_and_store32 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_compare_and_store64
;
; kmp_int32
; __kmp_compare_and_store64( volatile kmp_int64 *p, kmp_int64 cv, kmp_int64 sv );
PUBLIC ___kmp_compare_and_store64
_TEXT SEGMENT
ALIGN 16
_p$ = 8
_cv_low$ = 12
_cv_high$ = 16
_sv_low$ = 20
_sv_high$ = 24
___kmp_compare_and_store64 PROC NEAR
push ebp
mov ebp, esp
push ebx
push edi
mov edi, DWORD PTR _p$[ebp]
mov eax, DWORD PTR _cv_low$[ebp]
mov edx, DWORD PTR _cv_high$[ebp]
mov ebx, DWORD PTR _sv_low$[ebp]
mov ecx, DWORD PTR _sv_high$[ebp]
lock cmpxchg8b QWORD PTR [edi]
sete al ; if edx:eax == [edi] set al = 1 else set al = 0
and eax, 1 ; sign extend previous instruction
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
___kmp_compare_and_store64 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_xchg_fixed8
;
; kmp_int8
; __kmp_xchg_fixed8( volatile kmp_int8 *p, kmp_int8 d );
PUBLIC ___kmp_xchg_fixed8
_TEXT SEGMENT
ALIGN 16
_p$ = 4
_d$ = 8
___kmp_xchg_fixed8 PROC NEAR
mov ecx, DWORD PTR _p$[esp]
mov al, BYTE PTR _d$[esp]
lock xchg BYTE PTR [ecx], al
ret
___kmp_xchg_fixed8 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_xchg_fixed16
;
; kmp_int16
; __kmp_xchg_fixed16( volatile kmp_int16 *p, kmp_int16 d );
PUBLIC ___kmp_xchg_fixed16
_TEXT SEGMENT
ALIGN 16
_p$ = 4
_d$ = 8
___kmp_xchg_fixed16 PROC NEAR
mov ecx, DWORD PTR _p$[esp]
mov ax, WORD PTR _d$[esp]
lock xchg WORD PTR [ecx], ax
ret
___kmp_xchg_fixed16 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_xchg_fixed32
;
; kmp_int32
; __kmp_xchg_fixed32( volatile kmp_int32 *p, kmp_int32 d );
PUBLIC ___kmp_xchg_fixed32
_TEXT SEGMENT
ALIGN 16
_p$ = 4
_d$ = 8
___kmp_xchg_fixed32 PROC NEAR
mov ecx, DWORD PTR _p$[esp]
mov eax, DWORD PTR _d$[esp]
lock xchg DWORD PTR [ecx], eax
ret
___kmp_xchg_fixed32 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_xchg_real32
;
; kmp_real32
; __kmp_xchg_real32( volatile kmp_real32 *p, kmp_real32 d );
PUBLIC ___kmp_xchg_real32
_TEXT SEGMENT
ALIGN 16
_p$ = 8
_d$ = 12
_old_value$ = -4
___kmp_xchg_real32 PROC NEAR
push ebp
mov ebp, esp
sub esp, 4
push esi
mov esi, DWORD PTR _p$[ebp]
fld DWORD PTR [esi]
;; load <addr>
fst DWORD PTR _old_value$[ebp]
;; store into old_value
mov eax, DWORD PTR _d$[ebp]
lock xchg DWORD PTR [esi], eax
fld DWORD PTR _old_value$[ebp]
;; return old_value
pop esi
mov esp, ebp
pop ebp
ret
___kmp_xchg_real32 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_compare_and_store_ret8
;
; kmp_int8
; __kmp_compare_and_store_ret8( volatile kmp_int8 *p, kmp_int8 cv, kmp_int8 sv );
PUBLIC ___kmp_compare_and_store_ret8
_TEXT SEGMENT
ALIGN 16
_p$ = 4
_cv$ = 8
_sv$ = 12
___kmp_compare_and_store_ret8 PROC NEAR
mov ecx, DWORD PTR _p$[esp]
mov al, BYTE PTR _cv$[esp]
mov dl, BYTE PTR _sv$[esp]
lock cmpxchg BYTE PTR [ecx], dl
ret
___kmp_compare_and_store_ret8 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_compare_and_store_ret16
;
; kmp_int16
; __kmp_compare_and_store_ret16( volatile kmp_int16 *p, kmp_int16 cv, kmp_int16 sv );
PUBLIC ___kmp_compare_and_store_ret16
_TEXT SEGMENT
ALIGN 16
_p$ = 4
_cv$ = 8
_sv$ = 12
___kmp_compare_and_store_ret16 PROC NEAR
mov ecx, DWORD PTR _p$[esp]
mov ax, WORD PTR _cv$[esp]
mov dx, WORD PTR _sv$[esp]
lock cmpxchg WORD PTR [ecx], dx
ret
___kmp_compare_and_store_ret16 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_compare_and_store_ret32
;
; kmp_int32
; __kmp_compare_and_store_ret32( volatile kmp_int32 *p, kmp_int32 cv, kmp_int32 sv );
PUBLIC ___kmp_compare_and_store_ret32
_TEXT SEGMENT
ALIGN 16
_p$ = 4
_cv$ = 8
_sv$ = 12
___kmp_compare_and_store_ret32 PROC NEAR
mov ecx, DWORD PTR _p$[esp]
mov eax, DWORD PTR _cv$[esp]
mov edx, DWORD PTR _sv$[esp]
lock cmpxchg DWORD PTR [ecx], edx
ret
___kmp_compare_and_store_ret32 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_compare_and_store_ret64
;
; kmp_int64
; __kmp_compare_and_store_ret64( volatile kmp_int64 *p, kmp_int64 cv, kmp_int64 sv );
PUBLIC ___kmp_compare_and_store_ret64
_TEXT SEGMENT
ALIGN 16
_p$ = 8
_cv_low$ = 12
_cv_high$ = 16
_sv_low$ = 20
_sv_high$ = 24
___kmp_compare_and_store_ret64 PROC NEAR
push ebp
mov ebp, esp
push ebx
push edi
mov edi, DWORD PTR _p$[ebp]
mov eax, DWORD PTR _cv_low$[ebp]
mov edx, DWORD PTR _cv_high$[ebp]
mov ebx, DWORD PTR _sv_low$[ebp]
mov ecx, DWORD PTR _sv_high$[ebp]
lock cmpxchg8b QWORD PTR [edi]
pop edi
pop ebx
mov esp, ebp
pop ebp
ret
___kmp_compare_and_store_ret64 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_load_x87_fpu_control_word
;
; void
; __kmp_load_x87_fpu_control_word( kmp_int16 *p );
;
; parameters:
; p: 4(%esp)
PUBLIC ___kmp_load_x87_fpu_control_word
_TEXT SEGMENT
ALIGN 16
_p$ = 4
___kmp_load_x87_fpu_control_word PROC NEAR
mov eax, DWORD PTR _p$[esp]
fldcw WORD PTR [eax]
ret
___kmp_load_x87_fpu_control_word ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_store_x87_fpu_control_word
;
; void
; __kmp_store_x87_fpu_control_word( kmp_int16 *p );
;
; parameters:
; p: 4(%esp)
PUBLIC ___kmp_store_x87_fpu_control_word
_TEXT SEGMENT
ALIGN 16
_p$ = 4
___kmp_store_x87_fpu_control_word PROC NEAR
mov eax, DWORD PTR _p$[esp]
fstcw WORD PTR [eax]
ret
___kmp_store_x87_fpu_control_word ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_clear_x87_fpu_status_word
;
; void
; __kmp_clear_x87_fpu_status_word();
PUBLIC ___kmp_clear_x87_fpu_status_word
_TEXT SEGMENT
ALIGN 16
___kmp_clear_x87_fpu_status_word PROC NEAR
fnclex
ret
___kmp_clear_x87_fpu_status_word ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_invoke_microtask
;
; typedef void (*microtask_t)( int *gtid, int *tid, ... );
;
; int
; __kmp_invoke_microtask( microtask_t pkfn,
; int gtid, int tid,
; int argc, void *p_argv[] )
PUBLIC ___kmp_invoke_microtask
_TEXT SEGMENT
ALIGN 16
_pkfn$ = 8
_gtid$ = 12
_tid$ = 16
_argc$ = 20
_argv$ = 24
if OMPT_SUPPORT
_exit_frame$ = 28
endif
_i$ = -8
_stk_adj$ = -16
_vptr$ = -12
_qptr$ = -4
___kmp_invoke_microtask PROC NEAR
; Line 102
push ebp
mov ebp, esp
sub esp, 16 ; 00000010H
push ebx
push esi
push edi
if OMPT_SUPPORT
mov eax, DWORD PTR _exit_frame$[ebp]
mov DWORD PTR [eax], ebp
endif
; Line 114
mov eax, DWORD PTR _argc$[ebp]
mov DWORD PTR _i$[ebp], eax
;; ------------------------------------------------------------
lea edx, DWORD PTR [eax*4+8]
mov ecx, esp ; Save current SP into ECX
mov eax,edx ; Save the size of the args in eax
sub ecx,edx ; esp-((#args+2)*4) -> ecx -- without mods, stack ptr would be this
mov edx,ecx ; Save to edx
and ecx,-128 ; Mask off 7 bits
sub edx,ecx ; Amount to subtract from esp
sub esp,edx ; Prepare stack ptr-- Now it will be aligned on 128-byte boundary at the call
add edx,eax ; Calculate total size of the stack decrement.
mov DWORD PTR _stk_adj$[ebp], edx
;; ------------------------------------------------------------
jmp SHORT $L22237
$L22238:
mov ecx, DWORD PTR _i$[ebp]
sub ecx, 1
mov DWORD PTR _i$[ebp], ecx
$L22237:
cmp DWORD PTR _i$[ebp], 0
jle SHORT $L22239
; Line 116
mov edx, DWORD PTR _i$[ebp]
mov eax, DWORD PTR _argv$[ebp]
mov ecx, DWORD PTR [eax+edx*4-4]
mov DWORD PTR _vptr$[ebp], ecx
; Line 123
mov eax, DWORD PTR _vptr$[ebp]
; Line 124
push eax
; Line 127
jmp SHORT $L22238
$L22239:
; Line 129
lea edx, DWORD PTR _tid$[ebp]
mov DWORD PTR _vptr$[ebp], edx
; Line 130
lea eax, DWORD PTR _gtid$[ebp]
mov DWORD PTR _qptr$[ebp], eax
; Line 143
mov eax, DWORD PTR _vptr$[ebp]
; Line 144
push eax
; Line 145
mov eax, DWORD PTR _qptr$[ebp]
; Line 146
push eax
; Line 147
call DWORD PTR _pkfn$[ebp]
; Line 148
add esp, DWORD PTR _stk_adj$[ebp]
; Line 152
mov eax, 1
; Line 153
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0
___kmp_invoke_microtask ENDP
_TEXT ENDS
endif
; ==================================== Intel(R) 64 ===================================
ifdef _M_AMD64
;------------------------------------------------------------------------
; FUNCTION __kmp_x86_cpuid
;
; void
; __kmp_x86_cpuid( int mode, int mode2, struct kmp_cpuid *p );
;
; parameters:
; mode: ecx
; mode2: edx
; cpuid_buffer: r8
PUBLIC __kmp_x86_cpuid
_TEXT SEGMENT
ALIGN 16
__kmp_x86_cpuid PROC FRAME ;NEAR
push rbp
.pushreg rbp
mov rbp, rsp
.setframe rbp, 0
push rbx ; callee-save register
.pushreg rbx
.ENDPROLOG
mov r10, r8 ; p parameter
mov eax, ecx ; mode parameter
mov ecx, edx ; mode2 parameter
cpuid ; Query the CPUID for the current processor
mov DWORD PTR 0[ r10 ], eax ; store results into buffer
mov DWORD PTR 4[ r10 ], ebx
mov DWORD PTR 8[ r10 ], ecx
mov DWORD PTR 12[ r10 ], edx
pop rbx ; callee-save register
mov rsp, rbp
pop rbp
ret
__kmp_x86_cpuid ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_test_then_add32
;
; kmp_int32
; __kmp_test_then_add32( volatile kmp_int32 *p, kmp_int32 d );
;
; parameters:
; p: rcx
; d: edx
;
; return: eax
PUBLIC __kmp_test_then_add32
_TEXT SEGMENT
ALIGN 16
__kmp_test_then_add32 PROC ;NEAR
mov eax, edx
lock xadd DWORD PTR [rcx], eax
ret
__kmp_test_then_add32 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_test_then_add64
;
; kmp_int32
; __kmp_test_then_add64( volatile kmp_int64 *p, kmp_int64 d );
;
; parameters:
; p: rcx
; d: rdx
;
; return: rax
PUBLIC __kmp_test_then_add64
_TEXT SEGMENT
ALIGN 16
__kmp_test_then_add64 PROC ;NEAR
mov rax, rdx
lock xadd QWORD PTR [rcx], rax
ret
__kmp_test_then_add64 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_compare_and_store8
;
; kmp_int8
; __kmp_compare_and_store8( volatile kmp_int8 *p, kmp_int8 cv, kmp_int8 sv );
; parameters:
; p: rcx
; cv: edx
; sv: r8d
;
; return: eax
PUBLIC __kmp_compare_and_store8
_TEXT SEGMENT
ALIGN 16
__kmp_compare_and_store8 PROC ;NEAR
mov al, dl ; "cv"
mov edx, r8d ; "sv"
lock cmpxchg BYTE PTR [rcx], dl
sete al ; if al == [rcx] set al = 1 else set al = 0
and rax, 1 ; sign extend previous instruction
ret
__kmp_compare_and_store8 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_compare_and_store16
;
; kmp_int16
; __kmp_compare_and_store16( volatile kmp_int16 *p, kmp_int16 cv, kmp_int16 sv );
; parameters:
; p: rcx
; cv: edx
; sv: r8d
;
; return: eax
PUBLIC __kmp_compare_and_store16
_TEXT SEGMENT
ALIGN 16
__kmp_compare_and_store16 PROC ;NEAR
mov ax, dx ; "cv"
mov edx, r8d ; "sv"
lock cmpxchg WORD PTR [rcx], dx
sete al ; if ax == [rcx] set al = 1 else set al = 0
and rax, 1 ; sign extend previous instruction
ret
__kmp_compare_and_store16 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_compare_and_store32
;
; kmp_int32
; __kmp_compare_and_store32( volatile kmp_int32 *p, kmp_int32 cv, kmp_int32 sv );
; parameters:
; p: rcx
; cv: edx
; sv: r8d
;
; return: eax
PUBLIC __kmp_compare_and_store32
_TEXT SEGMENT
ALIGN 16
__kmp_compare_and_store32 PROC ;NEAR
mov eax, edx ; "cv"
mov edx, r8d ; "sv"
lock cmpxchg DWORD PTR [rcx], edx
sete al ; if eax == [rcx] set al = 1 else set al = 0
and rax, 1 ; sign extend previous instruction
ret
__kmp_compare_and_store32 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_compare_and_store64
;
; kmp_int32
; __kmp_compare_and_store64( volatile kmp_int64 *p, kmp_int64 cv, kmp_int64 sv );
; parameters:
; p: rcx
; cv: rdx
; sv: r8
;
; return: eax
PUBLIC __kmp_compare_and_store64
_TEXT SEGMENT
ALIGN 16
__kmp_compare_and_store64 PROC ;NEAR
mov rax, rdx ; "cv"
mov rdx, r8 ; "sv"
lock cmpxchg QWORD PTR [rcx], rdx
sete al ; if rax == [rcx] set al = 1 else set al = 0
and rax, 1 ; sign extend previous instruction
ret
__kmp_compare_and_store64 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_xchg_fixed8
;
; kmp_int8
; __kmp_xchg_fixed8( volatile kmp_int8 *p, kmp_int8 d );
;
; parameters:
; p: rcx
; d: dl
;
; return: al
PUBLIC __kmp_xchg_fixed8
_TEXT SEGMENT
ALIGN 16
__kmp_xchg_fixed8 PROC ;NEAR
mov al, dl
lock xchg BYTE PTR [rcx], al
ret
__kmp_xchg_fixed8 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_xchg_fixed16
;
; kmp_int16
; __kmp_xchg_fixed16( volatile kmp_int16 *p, kmp_int16 d );
;
; parameters:
; p: rcx
; d: dx
;
; return: ax
PUBLIC __kmp_xchg_fixed16
_TEXT SEGMENT
ALIGN 16
__kmp_xchg_fixed16 PROC ;NEAR
mov ax, dx
lock xchg WORD PTR [rcx], ax
ret
__kmp_xchg_fixed16 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_xchg_fixed32
;
; kmp_int32
; __kmp_xchg_fixed32( volatile kmp_int32 *p, kmp_int32 d );
;
; parameters:
; p: rcx
; d: edx
;
; return: eax
PUBLIC __kmp_xchg_fixed32
_TEXT SEGMENT
ALIGN 16
__kmp_xchg_fixed32 PROC ;NEAR
mov eax, edx
lock xchg DWORD PTR [rcx], eax
ret
__kmp_xchg_fixed32 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION ___kmp_xchg_fixed64
;
; kmp_int64
; __kmp_xchg_fixed64( volatile kmp_int64 *p, kmp_int64 d );
;
; parameters:
; p: rcx
; d: rdx
;
; return: rax
PUBLIC __kmp_xchg_fixed64
_TEXT SEGMENT
ALIGN 16
__kmp_xchg_fixed64 PROC ;NEAR
mov rax, rdx
lock xchg QWORD PTR [rcx], rax
ret
__kmp_xchg_fixed64 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_compare_and_store_ret8
;
; kmp_int8
; __kmp_compare_and_store_ret8( volatile kmp_int8 *p, kmp_int8 cv, kmp_int8 sv );
; parameters:
; p: rcx
; cv: edx
; sv: r8d
;
; return: eax
PUBLIC __kmp_compare_and_store_ret8
_TEXT SEGMENT
ALIGN 16
__kmp_compare_and_store_ret8 PROC ;NEAR
mov al, dl ; "cv"
mov edx, r8d ; "sv"
lock cmpxchg BYTE PTR [rcx], dl
; Compare AL with [rcx]. If equal set
; ZF and exchange DL with [rcx]. Else, clear
; ZF and load [rcx] into AL.
ret
__kmp_compare_and_store_ret8 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_compare_and_store_ret16
;
; kmp_int16
; __kmp_compare_and_store_ret16( volatile kmp_int16 *p, kmp_int16 cv, kmp_int16 sv );
; parameters:
; p: rcx
; cv: edx
; sv: r8d
;
; return: eax
PUBLIC __kmp_compare_and_store_ret16
_TEXT SEGMENT
ALIGN 16
__kmp_compare_and_store_ret16 PROC ;NEAR
mov ax, dx ; "cv"
mov edx, r8d ; "sv"
lock cmpxchg WORD PTR [rcx], dx
ret
__kmp_compare_and_store_ret16 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_compare_and_store_ret32
;
; kmp_int32
; __kmp_compare_and_store_ret32( volatile kmp_int32 *p, kmp_int32 cv, kmp_int32 sv );
; parameters:
; p: rcx
; cv: edx
; sv: r8d
;
; return: eax
PUBLIC __kmp_compare_and_store_ret32
_TEXT SEGMENT
ALIGN 16
__kmp_compare_and_store_ret32 PROC ;NEAR
mov eax, edx ; "cv"
mov edx, r8d ; "sv"
lock cmpxchg DWORD PTR [rcx], edx
ret
__kmp_compare_and_store_ret32 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_compare_and_store_ret64
;
; kmp_int64
; __kmp_compare_and_store_ret64( volatile kmp_int64 *p, kmp_int64 cv, kmp_int64 sv );
; parameters:
; p: rcx
; cv: rdx
; sv: r8
;
; return: rax
PUBLIC __kmp_compare_and_store_ret64
_TEXT SEGMENT
ALIGN 16
__kmp_compare_and_store_ret64 PROC ;NEAR
mov rax, rdx ; "cv"
mov rdx, r8 ; "sv"
lock cmpxchg QWORD PTR [rcx], rdx
ret
__kmp_compare_and_store_ret64 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_compare_and_store_loop8
;
; kmp_int8
; __kmp_compare_and_store_loop8( volatile kmp_int8 *p, kmp_int8 cv, kmp_int8 sv );
; parameters:
; p: rcx
; cv: edx
; sv: r8d
;
; return: al
PUBLIC __kmp_compare_and_store_loop8
_TEXT SEGMENT
ALIGN 16
__kmp_compare_and_store_loop8 PROC ;NEAR
$__kmp_loop:
mov al, dl ; "cv"
mov edx, r8d ; "sv"
lock cmpxchg BYTE PTR [rcx], dl
; Compare AL with [rcx]. If equal set
; ZF and exchange DL with [rcx]. Else, clear
; ZF and load [rcx] into AL.
jz SHORT $__kmp_success
db 0f3H
db 090H ; pause
jmp SHORT $__kmp_loop
$__kmp_success:
ret
__kmp_compare_and_store_loop8 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_xchg_real32
;
; kmp_real32
; __kmp_xchg_real32( volatile kmp_real32 *p, kmp_real32 d );
;
; parameters:
; p: rcx
; d: xmm1 (lower 4 bytes)
;
; return: xmm0 (lower 4 bytes)
PUBLIC __kmp_xchg_real32
_TEXT SEGMENT
ALIGN 16
__kmp_xchg_real32 PROC ;NEAR
movd eax, xmm1 ; load d
lock xchg DWORD PTR [rcx], eax
movd xmm0, eax ; load old value into return register
ret
__kmp_xchg_real32 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_xchg_real64
;
; kmp_real64
; __kmp_xchg_real64( volatile kmp_real64 *p, kmp_real64 d );
;
; parameters:
; p: rcx
; d: xmm1 (lower 8 bytes)
;
; return: xmm0 (lower 8 bytes)
PUBLIC __kmp_xchg_real64
_TEXT SEGMENT
ALIGN 16
__kmp_xchg_real64 PROC ;NEAR
movd rax, xmm1 ; load "d"
lock xchg QWORD PTR [rcx], rax
movd xmm0, rax ; load old value into return register
ret
__kmp_xchg_real64 ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_load_x87_fpu_control_word
;
; void
; __kmp_load_x87_fpu_control_word( kmp_int16 *p );
;
; parameters:
; p: rcx
PUBLIC __kmp_load_x87_fpu_control_word
_TEXT SEGMENT
ALIGN 16
__kmp_load_x87_fpu_control_word PROC ;NEAR
fldcw WORD PTR [rcx]
ret
__kmp_load_x87_fpu_control_word ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_store_x87_fpu_control_word
;
; void
; __kmp_store_x87_fpu_control_word( kmp_int16 *p );
;
; parameters:
; p: rcx
PUBLIC __kmp_store_x87_fpu_control_word
_TEXT SEGMENT
ALIGN 16
__kmp_store_x87_fpu_control_word PROC ;NEAR
fstcw WORD PTR [rcx]
ret
__kmp_store_x87_fpu_control_word ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_clear_x87_fpu_status_word
;
; void
; __kmp_clear_x87_fpu_status_word()
PUBLIC __kmp_clear_x87_fpu_status_word
_TEXT SEGMENT
ALIGN 16
__kmp_clear_x87_fpu_status_word PROC ;NEAR
fnclex
ret
__kmp_clear_x87_fpu_status_word ENDP
_TEXT ENDS
;------------------------------------------------------------------------
; FUNCTION __kmp_invoke_microtask
;
; typedef void (*microtask_t)( int *gtid, int *tid, ... );
;
; int
; __kmp_invoke_microtask( microtask_t pkfn,
; int gtid, int tid,
; int argc, void *p_argv[] ) {
;
; (*pkfn) ( >id, &tid, argv[0], ... );
; return 1;
; }
;
; note:
; just before call to pkfn must have rsp 128-byte aligned for compiler
;
; parameters:
; rcx: pkfn 16[rbp]
; edx: gtid 24[rbp]
; r8d: tid 32[rbp]
; r9d: argc 40[rbp]
; [st]: p_argv 48[rbp]
;
; reg temps:
; rax: used all over the place
; rdx: used all over the place
; rcx: used as argument counter for push parms loop
; r10: used to hold pkfn function pointer argument
;
; return: eax (always 1/TRUE)
$_pkfn = 16
$_gtid = 24
$_tid = 32
$_argc = 40
$_p_argv = 48
if OMPT_SUPPORT
$_exit_frame = 56
endif
PUBLIC __kmp_invoke_microtask
_TEXT SEGMENT
ALIGN 16
__kmp_invoke_microtask PROC FRAME ;NEAR
mov QWORD PTR 16[rsp], rdx ; home gtid parameter
mov QWORD PTR 24[rsp], r8 ; home tid parameter
push rbp ; save base pointer
.pushreg rbp
sub rsp, 0 ; no fixed allocation necessary - end prolog
lea rbp, QWORD PTR [rsp] ; establish the base pointer
.setframe rbp, 0
.ENDPROLOG
if OMPT_SUPPORT
mov rax, QWORD PTR $_exit_frame[rbp]
mov QWORD PTR [rax], rbp
endif
mov r10, rcx ; save pkfn pointer for later
;; ------------------------------------------------------------
mov rax, r9 ; rax <= argc
cmp rax, 2
jge SHORT $_kmp_invoke_stack_align
mov rax, 2 ; set 4 homes if less than 2 parms
$_kmp_invoke_stack_align:
lea rdx, QWORD PTR [rax*8+16] ; rax <= (argc + 2) * 8
mov rax, rsp ; Save current SP into rax
sub rax, rdx ; rsp - ((argc+2)*8) -> rax
; without align, rsp would be this
and rax, -128 ; Mask off 7 bits (128-byte align)
add rax, rdx ; add space for push's in a loop below
mov rsp, rax ; Prepare the stack ptr
; Now it will align to 128-byte at the call
;; ------------------------------------------------------------
; setup pkfn parameter stack
mov rax, r9 ; rax <= argc
shl rax, 3 ; rax <= argc*8
mov rdx, QWORD PTR $_p_argv[rbp] ; rdx <= p_argv
add rdx, rax ; rdx <= &p_argv[argc]
mov rcx, r9 ; rcx <= argc
jecxz SHORT $_kmp_invoke_pass_parms ; nothing to push if argc=0
cmp ecx, 1 ; if argc=1 branch ahead
je SHORT $_kmp_invoke_one_parm
sub ecx, 2 ; if argc=2 branch ahead, subtract two from
je SHORT $_kmp_invoke_two_parms
$_kmp_invoke_push_parms: ; push last - 5th parms to pkfn on stack
sub rdx, 8 ; decrement p_argv pointer to previous parm
mov r8, QWORD PTR [rdx] ; r8 <= p_argv[rcx-1]
push r8 ; push p_argv[rcx-1] onto stack (reverse order)
sub ecx, 1
jecxz SHORT $_kmp_invoke_two_parms
jmp SHORT $_kmp_invoke_push_parms
$_kmp_invoke_two_parms:
sub rdx, 8 ; put 4th parm to pkfn in r9
mov r9, QWORD PTR [rdx] ; r9 <= p_argv[1]
$_kmp_invoke_one_parm:
sub rdx, 8 ; put 3rd parm to pkfn in r8
mov r8, QWORD PTR [rdx] ; r8 <= p_argv[0]
$_kmp_invoke_pass_parms: ; put 1st & 2nd parms to pkfn in registers
lea rdx, QWORD PTR $_tid[rbp] ; rdx <= &tid (2nd parm to pkfn)
lea rcx, QWORD PTR $_gtid[rbp] ; rcx <= >id (1st parm to pkfn)
sub rsp, 32 ; add stack space for first four parms
mov rax, r10 ; rax <= pkfn
call rax ; call (*pkfn)()
mov rax, 1 ; move 1 into return register;
lea rsp, QWORD PTR [rbp] ; restore stack pointer
; add rsp, 0 ; no fixed allocation necessary - start epilog
pop rbp ; restore frame pointer
ret
__kmp_invoke_microtask ENDP
_TEXT ENDS
endif
END
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