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| author | Manuel Lauss <manuel.lauss@googlemail.com> | 2009-10-13 20:26:31 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2010-02-27 12:52:53 +0100 |
| commit | f1fc6645a4d2cb944320ce8ed1e40f88059779e1 (patch) | |
| tree | bd2d87cbf0bb729f7d3ee65c7e234e663c2fda8e /arch/mips/alchemy/common/irq.c | |
| parent | 788144656b8a862e724a1296e64ab6375eb541ed (diff) | |
| download | linux-f1fc6645a4d2cb944320ce8ed1e40f88059779e1.tar.gz linux-f1fc6645a4d2cb944320ce8ed1e40f88059779e1.tar.bz2 linux-f1fc6645a4d2cb944320ce8ed1e40f88059779e1.zip | |
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 <manuel.lauss@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/alchemy/common/irq.c')
| -rw-r--r-- | 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 f5b148af8b8c..960a3ee2bd4c 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 */ |