Title: [3930] trunk/arch/blackfin/mach-common/entry.S: [#2424]
Let the pre-processor do the math to save a few cycles - no functional changes
- Revision
- 3930
- Author
- rgetz
- Date
- 2007-11-23 21:55:08 -0600 (Fri, 23 Nov 2007)
Log Message
[#2424] Let the pre-processor do the math to save a few cycles - no functional changes
Diffstat
entry.S | 4 +---
1 files changed, 1 insertion(+), 3 deletions(-)
Modified Paths
Diff
Modified: trunk/arch/blackfin/mach-common/entry.S (3929 => 3930)
--- trunk/arch/blackfin/mach-common/entry.S 2007-11-23 19:25:47 UTC (rev 3929)
+++ trunk/arch/blackfin/mach-common/entry.S 2007-11-24 03:55:08 UTC (rev 3930)
@@ -633,9 +633,7 @@
[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 */
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