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Commit 156f565f authored by Ben Widawsky's avatar Ben Widawsky
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i965/vec4: Extract depctrl hazards


Move this to a separate function so that we can begin to add other little
caveats without making too big a mess.

NOTE: There is some desire to improve this function eventually, but we need to
fix a bug first.

v2:
Use const for the inst for the hazard check (Matt)
Invert safe logic to get rid of the double negative (Matt)
Add PRM reference for predicates (Matt)
Add note about empirical evidence for math (Matt)

Signed-off-by: Ben Widawsky's avatarBen Widawsky <ben@bwidawsk.net>
Reviewed-by: default avatarMatt Turner <mattst88@gmail.com>
parent 40c0d79d
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