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Commit f1fc6645 authored by Manuel Lauss's avatar Manuel Lauss Committed by Ralf Baechle
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MIPS: Alchemy: reduce size of irq dispatcher 



By replacing an extra do_IRQ with a goto, the assembly shrinks
from 260 to 212 bytes (gcc-4.3.4).

Signed-off-by: default avatarManuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 78814465

arch/mips/alchemy/common/irq.c

+5 −3
Original line number Diff line number Diff line
@@ -519,8 +519,8 @@ asmlinkage void plat_irq_dispatch(void) 
	unsigned long s, off;



	if (pending & CAUSEF_IP7) {

		do_IRQ(MIPS_CPU_IRQ_BASE + 7);

		return;

		off = MIPS_CPU_IRQ_BASE + 7;

		goto handle;

	} else if (pending & CAUSEF_IP2) {

		s = IC0_REQ0INT;

		off = AU1000_INTC0_INT_BASE;
@@ -542,7 +542,9 @@ spurious: 
		spurious_interrupt();

		return;

	}

	do_IRQ(__ffs(s) + off);

	off += __ffs(s);

handle:

	do_IRQ(off);

}



/* setup edge/level and assign request 0/1 */