mirror of
https://github.com/NishiOwO/JWasm.git
synced 2025-04-22 01:04:39 +00:00
104 lines
1.7 KiB
NASM
104 lines
1.7 KiB
NASM
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;--- test 64bit MOVSX/MOVSXD
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ifdef __JWASM__
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.x64
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.model flat
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endif
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.data
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vb db 0
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vw dw 0
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vd dd 0
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.code
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main proc
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;--- destination WORD, source BYTE
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movsx ax,al
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movsx ax,ah
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movsx r9w,al
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; movsx r9w,ah ;not allowed
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movsx r9w,sil
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movsx ax,[vb]
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movsx r9w,[vb]
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movsx ax,byte ptr [ebx]
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movsx r9w,byte ptr [ebx]
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movsx ax,byte ptr [rbx]
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movsx r9w,byte ptr [rbx]
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;--- destination DWORD, source BYTE
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movsx eax,al
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movsx r15d,al
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movsx eax,ah
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; movsx r15d,ah ;not allowed
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movsx r15d,sil
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movsx eax,[vb]
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movsx r15d,[vb]
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movsx eax,byte ptr [ebx]
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movsx r15d,byte ptr [ebx]
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movsx eax,byte ptr [rbx]
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movsx r15d,byte ptr [rbx]
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;--- destination DWORD, source WORD
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movsx eax,ax
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movsx r15d,ax
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movsx eax,r9w
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movsx r15d,r9w
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movsx eax,[vw]
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movsx r15d,[vw]
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movsx eax,word ptr [ebx]
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movsx r15d,word ptr [ebx]
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movsx eax,word ptr [rbx]
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movsx r15d,word ptr [rbx]
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;--- destination QWORD, source BYTE
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movsx rax,al
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movsx r15,al
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; movsx rax,ch ;not allowed
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movsx rax,sil
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movsx rax,[vb]
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movsx r15,[vb]
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movsx rax,byte ptr [ebx]
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movsx r15,byte ptr [ebx]
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movsx rax,byte ptr [rbx]
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movsx r15,byte ptr [rbx]
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;--- destination QWORD, source WORD
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movsx rax,cx
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movsx r15,cx
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movsx rax,r8w
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movsx r15,r8w
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movsx rax,[vw]
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movsx r15,[vw]
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movsx rax,word ptr [ebx]
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movsx r15,word ptr [ebx]
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movsx rax,word ptr [rbx]
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movsx r15,word ptr [rbx]
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;--- destination QWORD, source DWORD
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; movsx rax,eax ;rejected
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movsxd rax,ecx
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movsxd r15,ecx
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movsxd rax,r8d
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movsxd r15,r8d
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movsxd rax,[vd]
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movsxd r15,[vd]
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movsxd rax,dword ptr [ebx]
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movsxd r15,dword ptr [ebx]
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movsxd rax,dword ptr [rbx]
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movsxd r15,dword ptr [rbx]
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ret
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main endp
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END
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