Op 23-2-2026 om 16:35 schreef Adriaan van Os via fpc-pascal:

The following error message seeems to be new for fpc-3.3.1 (using -RIntel)

....

    @Remainder_1:
     MOV   Length,EBX
     AND   Length,1
     JZ    @TheEnd
     MOVSS xmm2,[SourceBuffer] <--- Asm: [movss xmmreg2,mem64] invalid combination of opcode and operands
     MINSS xmm0,xmm2
     MAXSS xmm1,xmm2


Has anything changed here ?

Disclaimer:  I don't known 100% how OS X handles the analogue, so assuming windows for a moment.

Was this code meant for 64-bit or 32-bit, and are you running it on the same architecture where you originally tested/used it?

This because the sourcebuffer seems to indicate [mem64], which sounds like target 64-bit intel, which might expect a rip relative addressing like

MOVSS xmm2,[rip+SourceBuffer]

But if the code was originally 32-bit the original expression would have been valid.


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