Commit 1d1929c7 authored Jun 25, 2010 by David Daney Committed by Ralf Baechle Aug 05, 2010

MIPS: Octeon: Define ARCH_HAS_USABLE_BUILTIN_POPCOUNT for OCTEON.



OCTEON implements __builtin_popcount with a single instruction, so lets use it.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Cc: David Daney <ddaney@caviumnetworks.com>
Patchwork: https://patchwork.linux-mips.org/patch/1431/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

parent 1a403d1d

arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -77,6 +77,14 @@ static inline int read_current_timer(unsigned long *result)
		return 0;
		}

		#ifdef __OCTEON__
		/*
		* All gcc versions that have OCTEON support define __OCTEON__ and have the
		* __builtin_popcount support.
		*/
		#define ARCH_HAS_USABLE_BUILTIN_POPCOUNT 1
		#endif

		static inline int octeon_has_saa(void)
		{
		int id;