From f1fc6645a4d2cb944320ce8ed1e40f88059779e1 Mon Sep 17 00:00:00 2001 From: Manuel Lauss Date: Tue, 13 Oct 2009 20:26:31 +0200 Subject: [PATCH] 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: Manuel Lauss Signed-off-by: Ralf Baechle --- arch/mips/alchemy/common/irq.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c index f5b148af8b8..960a3ee2bd4 100644 --- a/arch/mips/alchemy/common/irq.c +++ b/arch/mips/alchemy/common/irq.c @@ -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 */ -- 2.20.1