Fix the detection of instruction pattern with multiple emits followed
by TX. Once detected, this is one of the instruction patterns that is
internally replaced with a single optimized instruction, as long as
none of the instructions to be replaced is referenced by a jump
instruction. The fix enforces this check for the TX instruction of
the pattern.
Fixes: 31035e87b207 ("pipeline: add SWX instruction optimizer")
Signed-off-by: Cristian Dumitrescu <cristian.dumitre...@intel.com>
---
lib/librte_pipeline/rte_swx_pipeline.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/lib/librte_pipeline/rte_swx_pipeline.c
b/lib/librte_pipeline/rte_swx_pipeline.c
index fe8bfc8b3..eaaed7a0a 100644
--- a/lib/librte_pipeline/rte_swx_pipeline.c
+++ b/lib/librte_pipeline/rte_swx_pipeline.c
@@ -5796,6 +5796,9 @@ instr_pattern_emit_many_tx_detect(struct instruction
*instr,
if (instr[i].type != INSTR_TX)
return 0;
+ if (data[i].n_users)
+ return 0;
+
i++;
*n_pattern_instr = i;
--
2.17.1
