Commit d5c4b5e3 authored by Robin Getz's avatar Robin Getz Committed by Bryan Wu
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[Blackfin] arch: Let the pre-processor do the math to save a few cycles - no functional changes 



Signed-off-by: default avatarRobin Getz <robin.getz@analog.com>
Signed-off-by: default avatarBryan Wu <bryan.wu@analog.com>
parent 6f3ed704

arch/blackfin/mach-common/entry.S

+1 −3
Original line number Diff line number Diff line
@@ -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 */