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r600/asm: add LDS ops and barrier to the once per group restriction.

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LDS ops must be scheduled in X slot, and barrier should be on its
own in a group.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2015-11-30 16:03:33 +10:00
parent 18871ac576
commit 8ec2cb13e5
1 changed files with 1 additions and 1 deletions
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src/gallium/drivers/r600/r600_asm.c
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@@ -237,7 +237,7 @@ int r600_bytecode_add_output(struct r600_bytecode *bc,
/* alu instructions that can ony exits once per group */
static int is_alu_once_inst(struct r600_bytecode *bc, struct r600_bytecode_alu *alu)
{
return r600_isa_alu(alu->op)->flags & (AF_KILL | AF_PRED);
return r600_isa_alu(alu->op)->flags & (AF_KILL | AF_PRED) || alu->is_lds_idx_op || alu->op == ALU_OP0_GROUP_BARRIER;
}
static int is_alu_reduction_inst(struct r600_bytecode *bc, struct r600_bytecode_alu *alu)