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i965/fs: fix copy propagation from load payload

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We were not considering the case where the load payload is writing to
a destination with a reg_offset > 0.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
This commit is contained in:
Iago Toral Quiroga
2016-04-12 13:53:24 +02:00
committed by Samuel Iglesias Gonsálvez
parent cf375a3333
commit 789eecdb79
1 changed files with 1 additions and 1 deletions
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src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp
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@@ -784,7 +784,7 @@ fs_visitor::opt_copy_propagate_local(void *copy_prop_ctx, bblock_t *block,
if (inst->src[i].file == VGRF) {
acp_entry *entry = ralloc(copy_prop_ctx, acp_entry);
entry->dst = inst->dst;
entry->dst.reg_offset = offset;
entry->dst.reg_offset += offset;
entry->src = inst->src[i];
entry->regs_written = regs_written;
entry->regs_read = inst->regs_read(i);