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i965: Cite the Ivybridge PRM for why the fake MRF range is what it is.

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The exact text is in the public docs, so we should cite those.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
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Kenneth Graunke
2013-07-10 13:16:13 -07:00
parent 3090d39dde
commit a0c8e76202
1 changed files with 1 additions and 1 deletions
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src/mesa/drivers/dri/i965/brw_eu_emit.c
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@@ -84,7 +84,7 @@ gen6_resolve_implied_move(struct brw_compile *p,
static void
gen7_convert_mrf_to_grf(struct brw_compile *p, struct brw_reg *reg)
{
/* From the BSpec / ISA Reference / send - [DevIVB+]:
/* From the Ivybridge PRM, Volume 4 Part 3, page 218 ("send"):
* "The send with EOT should use register space R112-R127 for <src>. This is
* to enable loading of a new thread into the same slot while the message
* with EOT for current thread is pending dispatch."