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package/fftw: add ARM optimisations

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Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
[based on a patch by Guillaume]
Cc: guillaume william brs <guillaume.bressaix@gmail.com>
Cc: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Yann E. MORIN 2015-03-16 17:31:23 +01:00 committed by Thomas Petazzoni
parent 20b741da4c
commit 007d688e52
2 changed files with 8 additions and 0 deletions
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4
package/fftw/Config.in
View file

@ -18,6 +18,9 @@ config BR2_PACKAGE_FFTW_USE_SSE
config BR2_PACKAGE_FFTW_USE_SSE2
bool
config BR2_PACKAGE_FFTW_USE_NEON
bool
choice
prompt "fftw precision"
default BR2_PACKAGE_FFTW_PRECISION_DOUBLE
@ -28,6 +31,7 @@ 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
select BR2_PACKAGE_FFTW_USE_NEON if BR2_ARM_CPU_HAS_NEON && !BR2_ARM_SOFT_FLOAT
help
Compile fftw in single precision, i.e. use 'float' for floating
point type.

4
package/fftw/fftw.mk
View file

@ -23,6 +23,10 @@ endif
FFTW_CONF_OPTS += $(if $(BR2_PACKAGE_FFTW_USE_SSE),--enable,--disable)-sse
FFTW_CONF_OPTS += $(if $(BR2_PACKAGE_FFTW_USE_SSE2),--enable,--disable)-sse2
# ARM optimisations
FFTW_CONF_OPTS += $(if $(BR2_PACKAGE_FFTW_USE_NEON),--enable,--disable)-neon
FFTW_CFLAGS += $(if $(BR2_PACKAGE_FFTW_USE_NEON),-mfpu=neon)
FFTW_CONF_OPTS += CFLAGS="$(FFTW_CFLAGS)"
$(eval $(autotools-package))