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v3d: Make sure that QPU instruction-has-a-dest matches VIR.

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Found when debugging register spilling -- we would try to spill the dest
of a STVPMV, inserting spill code after entering the last segment.  In
fact, we were likely to to choose to do this, given that the STVPMV "dest"
temp was never read from, making it cheap to spill.

Cc: "18.2" <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Eric Anholt
2018-08-01 17:47:13 -07:00
parent 3f9cb2eb05
commit f2c0d310d6
2 changed files with 11 additions and 1 deletions
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2
src/broadcom/compiler/v3d_compiler.h
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@@ -928,7 +928,7 @@ VIR_A_ALU2(OR)
VIR_A_ALU2(XOR)
VIR_A_ALU2(VADD)
VIR_A_ALU2(VSUB)
VIR_A_ALU2(STVPMV)
VIR_A_NODST_2(STVPMV)
VIR_A_ALU1(NOT)
VIR_A_ALU1(NEG)
VIR_A_ALU1(FLAPUSH)