Operand size override for SSE

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DimonSoft

Joined: 03 Mar 2010
Posts: 1228
Location: Belarus

DimonSoft 06 Dec 2017, 13:00

Couldn’t find the answer anywhere. How can one override the operand size in cases like this (in FASM)?

Code:

; myField is defined as dq/dd/dw/db
movaps ??? [eax + MYSTRUCT.myField], xmm0

I’ve seen things like oword in MASM (?) tutorials but it doesn’t work for me in FASM.

06 Dec 2017, 13:00

Tomasz Grysztar

Joined: 16 Jun 2003
Posts: 8376
Location: Kraków, Poland

Tomasz Grysztar 06 Dec 2017, 13:02

All fasm's size operators are listed in the table 1.1 of the manual.

06 Dec 2017, 13:02

DimonSoft

Joined: 03 Mar 2010
Posts: 1228
Location: Belarus

DimonSoft 06 Dec 2017, 13:05

Tomasz Grysztar wrote:

All fasm's size operators are listed in the table 1.1 of the manual.

Sorry, failed to find it from the PDF’s table of contents. Problem solved, thanks.
P.S. I guess the topic is pretty useless and can be deleted.

06 Dec 2017, 13:05

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