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 <manuel.lauss@xxxxxxxxx>
---
Applies on top of the irq changes in -queue.
arch/mips/alchemy/common/irq.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c
index ab65997..b2a1e4e 100644
--- a/arch/mips/alchemy/common/irq.c
+++ b/arch/mips/alchemy/common/irq.c
@@ -501,8 +501,8 @@ 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;
@@ -524,7 +524,9 @@ spurious:
spurious_interrupt();
return;
}
- do_IRQ(__ffs(s) + off);
+ off += __ffs(s);
+handle:
+ do_IRQ(off);
}
/* setup edge/level and assign request 0/1 */
--
1.6.5.rc2
