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
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+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.
+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))