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authorAlex Shi <alex.shi@linaro.org>2017-03-20 12:03:10 +0800
committerAlex Shi <alex.shi@linaro.org>2017-03-20 12:03:10 +0800
commite0d60977f25c7a33b2acda240a1d121bf0a35deb (patch)
tree4f930533fa1e36e0ec75ee8bcaa82d2320985a2c /arch/mips/cavium-octeon/octeon-memcpy.S
parent4304568925f8191755da36df5c61abb69db9b1b0 (diff)
parent1c563c0006661025d7a6c9bc85fc889a4e8a1c06 (diff)
downloadlinux-linaro-stable-lsk-v4.4-17.03-android.tar.gz
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-androidlsk-v4.4-17.03-android
Diffstat (limited to 'arch/mips/cavium-octeon/octeon-memcpy.S')
-rw-r--r--arch/mips/cavium-octeon/octeon-memcpy.S20
1 files changed, 12 insertions, 8 deletions
diff --git a/arch/mips/cavium-octeon/octeon-memcpy.S b/arch/mips/cavium-octeon/octeon-memcpy.S
index 64e08df51d65..8b7004132491 100644
--- a/arch/mips/cavium-octeon/octeon-memcpy.S
+++ b/arch/mips/cavium-octeon/octeon-memcpy.S
@@ -208,18 +208,18 @@ EXC( STORE t2, UNIT(6)(dst), s_exc_p10u)
ADD src, src, 16*NBYTES
EXC( STORE t3, UNIT(7)(dst), s_exc_p9u)
ADD dst, dst, 16*NBYTES
-EXC( LOAD t0, UNIT(-8)(src), l_exc_copy)
-EXC( LOAD t1, UNIT(-7)(src), l_exc_copy)
-EXC( LOAD t2, UNIT(-6)(src), l_exc_copy)
-EXC( LOAD t3, UNIT(-5)(src), l_exc_copy)
+EXC( LOAD t0, UNIT(-8)(src), l_exc_copy_rewind16)
+EXC( LOAD t1, UNIT(-7)(src), l_exc_copy_rewind16)
+EXC( LOAD t2, UNIT(-6)(src), l_exc_copy_rewind16)
+EXC( LOAD t3, UNIT(-5)(src), l_exc_copy_rewind16)
EXC( STORE t0, UNIT(-8)(dst), s_exc_p8u)
EXC( STORE t1, UNIT(-7)(dst), s_exc_p7u)
EXC( STORE t2, UNIT(-6)(dst), s_exc_p6u)
EXC( STORE t3, UNIT(-5)(dst), s_exc_p5u)
-EXC( LOAD t0, UNIT(-4)(src), l_exc_copy)
-EXC( LOAD t1, UNIT(-3)(src), l_exc_copy)
-EXC( LOAD t2, UNIT(-2)(src), l_exc_copy)
-EXC( LOAD t3, UNIT(-1)(src), l_exc_copy)
+EXC( LOAD t0, UNIT(-4)(src), l_exc_copy_rewind16)
+EXC( LOAD t1, UNIT(-3)(src), l_exc_copy_rewind16)
+EXC( LOAD t2, UNIT(-2)(src), l_exc_copy_rewind16)
+EXC( LOAD t3, UNIT(-1)(src), l_exc_copy_rewind16)
EXC( STORE t0, UNIT(-4)(dst), s_exc_p4u)
EXC( STORE t1, UNIT(-3)(dst), s_exc_p3u)
EXC( STORE t2, UNIT(-2)(dst), s_exc_p2u)
@@ -383,6 +383,10 @@ done:
nop
END(memcpy)
+l_exc_copy_rewind16:
+ /* Rewind src and dst by 16*NBYTES for l_exc_copy */
+ SUB src, src, 16*NBYTES
+ SUB dst, dst, 16*NBYTES
l_exc_copy:
/*
* Copy bytes from src until faulting load address (or until a