Wrong use of vpcmpeqd when assembling certain avx2 immediates

Bug #1928516 reported by Marco Heisig
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
SBCL
Undecided
Unassigned

Bug Description

When compiling code that uses an avx2-immediate whose bits are all one, the compiler complains about "invalid number of arguments: 3" during sb-asem::%assemble of "VPCMPEQD". The code that emits this malformed instruction is in the load-int-avx2-immediate move fun. A patch is attached.

This is on SBCL 2.1.4.75.

Revision history for this message
Marco Heisig (marco-heisig-h) wrote :
Stas Boukarev (stassats)
Changed in sbcl:
status: New → Fix Committed
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