john-terraspace
commented
3 years ago This is likely due to type size checking, a list of DDs is only going to see the first element as 4 bytes. Can you try either with YMMWORD PTR or use __m256 built-in struct (or create your own) so that it gets the size right?
From: gwoltman @.> Sent: Sunday, August 22, 2021 12:59 AM To: Terraspace/UASM @.> Cc: Subscribed @.***> Subject: [Terraspace/UASM] vpbroadcastd ymm, mem not assembling (#157)
TITLE factor64
OPTION EVEX:1
_GWDATA SEGMENT PAGE YMM_ONE DD 1,0,1,0,1,0,1,0 _GWDATA ENDS
_TEXT SEGMENT fac PROC vpbroadcastd ymm3, YMM_ONE ; Load constant 1 vpbroadcastd zmm13, YMM_ONE ; Load constant 1 fac ENDP _TEXT ENDS END
generates an error: Error A2049: Invalid instruction operands the AVX-512 broadcast assembles OK note it assembles OK if YMM_ONE is declared as "YMM_ONE DD 1"
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gwoltman
TITLE factor64
OPTION EVEX:1
_GWDATA SEGMENT PAGE YMM_ONE DD 1,0,1,0,1,0,1,0 _GWDATA ENDS
_TEXT SEGMENT fac PROC vpbroadcastd ymm3, YMM_ONE ; Load constant 1 vpbroadcastd zmm13, YMM_ONE ; Load constant 1 fac ENDP _TEXT ENDS END
generates an error: Error A2049: Invalid instruction operands the AVX-512 broadcast assembles OK note it assembles OK if YMM_ONE is declared as "YMM_ONE DD 1"