NASM Forum > Using NASM

A bug in NASM 2.15

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fullofbugs:
I just updated to NASM 2.15 and am still fighting with the changes. I found a bug and want to share it with you before it is fixed. I already submitted a bug report.


--- Code: ---%macro Convert  2-3.nolist   
  %[%3]CVTDQ2PD %1, %2
%endmacro
--- End code ---

NASM will no generate any code if the last parameter is empty.


--- Code: ---Convert XMM0, XMM1
--- End code ---
    Expected code: CVTDQ2PD XMM0, XMM1
    Generated code: empty


--- Code: ---Convert XMM0, XMM1, {}
--- End code ---
    Expected code: CVTDQ2PD XMM0, XMM1
    Generated code: empty


--- Code: ---Convert XMM0, XMM1, V
--- End code ---
    Expected code: VCVTDQ2PD XMM0, XMM1
    Generated code: VCVTDQ2PD XMM0, XMM1

fullofbugs:
In most cases, it can be fixed by removing []

--- Code: ---%macro Convert  2-3.nolist   
  %3CVTDQ2PD %1, %2
%endmacro
--- End code ---

But it is quite confusing to read.

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