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authorZhou Yanjie <[email protected]>2019-08-02 16:27:37 +0800
committerPaul Burton <[email protected]>2019-08-05 18:30:45 -0700
commit053951dda71ecb4b554a2cdbe26f5f6f9bee9dd2 (patch)
treebc5f96fe93a333b97db884157b188a37c4e69c23 /tools/perf/scripts/python
parent579de8f86b1cdc3f9ef105fca9f4539d99647ed1 (diff)
MIPS: Ingenic: Disable broken BTB lookup optimization.
In order to further reduce power consumption, the XBurst core by default attempts to avoid branch target buffer lookups by detecting & special casing loops. This feature will cause BogoMIPS and lpj calculate in error. Set cp0 config7 bit 4 to disable this feature. Signed-off-by: Zhou Yanjie <[email protected]> Signed-off-by: Paul Burton <[email protected]> Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected] Cc: [email protected]
Diffstat (limited to 'tools/perf/scripts/python')
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