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freedreno: disallow cat4 immed src

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Normally this would never happen (constant-propagation in NIR would
eliminate the instruction), except it does happen for 'undef' which
we turn into immed 0.0 for bookkeeping purposes.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark
2016-04-25 08:24:43 -04:00
parent 76c6cdd36a
commit dfd23abdcc
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/freedreno/ir3/ir3_cp.c
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@@ -176,7 +176,7 @@ static bool valid_flags(struct ir3_instruction *instr, unsigned n,
case 4:
/* seems like blob compiler avoids const as src.. */
/* TODO double check if this is still the case on a4xx */
if (flags & IR3_REG_CONST)
if (flags & (IR3_REG_CONST | IR3_REG_IMMED))
return false;
if (flags & (IR3_REG_SABS | IR3_REG_SNEG))
return false;