Commit 20b741da authored by Yann E. MORIN's avatar Yann E. MORIN Committed by Thomas Petazzoni
Browse files

package/fftw: add x86 optimisations 



Signed-off-by: default avatar"Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
Cc: guillaume william brs <guillaume.bressaix@gmail.com>
Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
parent 96336c62

package/fftw/Config.in

+9 −0
Original line number Diff line number Diff line
@@ -12,6 +12,12 @@ config BR2_PACKAGE_FFTW 


if BR2_PACKAGE_FFTW



config BR2_PACKAGE_FFTW_USE_SSE

	bool



config BR2_PACKAGE_FFTW_USE_SSE2

	bool



choice

	prompt "fftw precision"

	default BR2_PACKAGE_FFTW_PRECISION_DOUBLE
@@ -20,12 +26,15 @@ choice 


config BR2_PACKAGE_FFTW_PRECISION_SINGLE

	bool "single"

	select BR2_PACKAGE_FFTW_USE_SSE if BR2_X86_CPU_HAS_SSE

	select BR2_PACKAGE_FFTW_USE_SSE2 if BR2_X86_CPU_HAS_SSE2

	help

	  Compile fftw in single precision, i.e. use 'float' for floating

	  point type.



config BR2_PACKAGE_FFTW_PRECISION_DOUBLE

	bool "double"

	select BR2_PACKAGE_FFTW_USE_SSE2 if BR2_X86_CPU_HAS_SSE2

	help

	  Compile fftw in double precision (the default), i.e. use 'double'

	  for floating point type.

package/fftw/fftw.mk

+4 −0
Original line number Diff line number Diff line
@@ -19,6 +19,10 @@ ifeq ($(BR2_PACKAGE_FFTW_FAST),y) 
FFTW_CFLAGS += -Ofast

endif



# x86 optimisations

FFTW_CONF_OPTS += $(if $(BR2_PACKAGE_FFTW_USE_SSE),--enable,--disable)-sse

FFTW_CONF_OPTS += $(if $(BR2_PACKAGE_FFTW_USE_SSE2),--enable,--disable)-sse2



FFTW_CONF_OPTS += CFLAGS="$(FFTW_CFLAGS)"



$(eval $(autotools-package))