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| author | Robin Getz <robin.getz@analog.com> | 2007-12-21 17:49:53 +0800 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@analog.com> | 2007-12-21 17:49:53 +0800 |
| commit | d5c4b5e3b2682a9aac07a43a8a79d3b692b22567 (patch) | |
| tree | 61fe8536694803ff450829a365247acb671abb65 /arch/blackfin | |
| parent | 6f3ed704b03b2f9997b604690ac43a3514105a6a (diff) | |
| download | linux-d5c4b5e3b2682a9aac07a43a8a79d3b692b22567.tar.gz linux-d5c4b5e3b2682a9aac07a43a8a79d3b692b22567.tar.bz2 linux-d5c4b5e3b2682a9aac07a43a8a79d3b692b22567.zip | |
[Blackfin] arch: Let the pre-processor do the math to save a few cycles - no functional changes
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/mach-common/entry.S | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 1b25b57c8c05..58f7ad617992 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -633,9 +633,7 @@ ENTRY(_ret_from_exception) [sp + PT_IPEND] = r0; 1: - r1 = 0x37(Z); - r2 = ~r1; - r2.h = 0; + r2 = LO(~0x37) (Z); r0 = r2 & r0; cc = r0 == 0; if !cc jump 4f; /* if not return to user mode, get out */ |