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pru: Compile the irq_poll() function with -O2 optimization

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Compile the PRU binary with -Os optimization, but request that the
timer dispatch code be compiled with -O2 optimization.  This improves
the performance of timers slightly.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2017-08-15 11:05:30 -04:00
parent 71bb7acb8e
commit 0adea120cd
2 changed files with 2 additions and 2 deletions
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2
src/pru/main.c
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@ -89,7 +89,7 @@ _irq_poll(void)
}
CT_INTC.SECR0 = (1 << IEP_EVENT) | (1 << KICK_PRU1_EVENT);
}
void
void __attribute__((optimize("O2")))
irq_poll(void)
{
if (read_r31() & (1 << (WAKE_PRU1_IRQ + R31_IRQ_OFFSET)))