[src/trunk]: src/sys/arch/mips/mips Save a few instructions and use ei on mip...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/858fcd898ea2
branches:  trunk
changeset: 338680:858fcd898ea2
user:      matt <matt%NetBSD.org@localhost>
date:      Wed Jun 03 17:55:26 2015 +0000

description:
Save a few instructions and use ei on mipsNNr2.

diffstat:

 sys/arch/mips/mips/locore.S |  6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diffs (23 lines):

diff -r 12dc6e8ff3b9 -r 858fcd898ea2 sys/arch/mips/mips/locore.S
--- a/sys/arch/mips/mips/locore.S       Wed Jun 03 17:53:23 2015 +0000
+++ b/sys/arch/mips/mips/locore.S       Wed Jun 03 17:55:26 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.S,v 1.193 2015/06/02 05:06:23 matt Exp $        */
+/*     $NetBSD: locore.S,v 1.194 2015/06/03 17:55:26 matt Exp $        */
 
 /*
  * Copyright (c) 1992, 1993
@@ -184,9 +184,13 @@
        /*
         * Now enable interrupts (but they are all masked).
         */
+#if __mips_isa_rev >= 2
+       ei
+#else
        mfc0    v0, MIPS_COP_0_STATUS
        or      v0, MIPS_SR_INT_IE
        mtc0    v0, MIPS_COP_0_STATUS
+#endif
        COP0_SYNC
 
        jal     _C_LABEL(main)                  # main(void)