Commit 3e9f37e8 authored Mar 25, 2013 by Steven J. Hill Committed by Ralf Baechle May 09, 2013

MIPS: microMIPS: Optimise 'strnlen' core library function.

Optimise 'strnlen' to use microMIPS instructions and/or optimisations
for binary size reduction. When the microMIPS ISA is not being used,
the library function compiles to the original binary code.

Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>

parent b1bac373

arch/mips/lib/strnlen_user.S

+1 −1

Original line number	Diff line number	Diff line
		@@ -35,7 +35,7 @@ FEXPORT(__strnlen_user_nocheck_asm)
		PTR_ADDU a1, a0 # stop pointer
		1: beq v0, a1, 1f # limit reached?
		EX(lb, t0, (v0), .Lfault)
		PTR_ADDU v0, 1
		PTR_ADDIU v0, 1
		bnez t0, 1b
		1: PTR_SUBU v0, a0
		jr ra