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nvc0/ir: fix load propagation for sub 4 byte addressing

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Signed-off-by: Karol Herbst <kherbst@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6433>
This commit is contained in:
Karol Herbst 2020-08-21 21:37:03 +02:00 • committed by Marge Bot
parent 036f1c29fc
commit 1c9efcd7a6
1 changed files with 6 additions and 0 deletions
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6
src/gallium/drivers/nouveau/codegen/nv50_ir_target_nvc0.cpp
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@ -387,6 +387,12 @@ TargetNVC0::insnCanLoad(const Instruction *i, int s,
}
}
// only loads can do sub 4 byte addressing
if (sf == FILE_MEMORY_CONST &&
(ld->getSrc(0)->reg.data.offset & 0x3)
&& i->op != OP_LOAD)
return false;
// not all instructions support full 32 bit immediates
if (sf == FILE_IMMEDIATE) {
Storage &reg = ld->getSrc(0)->asImm()->reg;