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[46.105.103.66]) by mx.google.com with ESMTPSA id lx10sm15532130wjb.17.2015.03.16.06.54.08 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 16 Mar 2015 06:54:09 -0700 (PDT) From: "Yann E. MORIN" To: buildroot@buildroot.org Date: Mon, 16 Mar 2015 14:54:00 +0100 Message-Id: X-Mailer: git-send-email 1.9.1 In-Reply-To: References: Cc: Gwenhael Goavec-Merou , "Yann E. MORIN" , guillaume william brs Subject: [Buildroot] [PATCH 2/7 v6] package/fftw: add x86 optimisations X-BeenThere: buildroot@busybox.net X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussion and development of buildroot List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: buildroot-bounces@busybox.net Sender: "buildroot" Signed-off-by: "Yann E. MORIN" Cc: Gwenhael Goavec-Merou Cc: guillaume william brs --- Changes v5 -> v6: - SSE/SSE2 can't be enabled for all precisions (Gwenhael) --- package/fftw/Config.in | 10 +++++++++- package/fftw/fftw.mk | 4 ++++ 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/package/fftw/Config.in b/package/fftw/Config.in index 7fa2c4c..30c395f 100644 --- a/package/fftw/Config.in +++ b/package/fftw/Config.in @@ -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_NONE @@ -25,6 +31,8 @@ config BR2_PACKAGE_FFTW_PRECISION_NONE config BR2_PACKAGE_FFTW_PRECISION_SINGLE bool "single precision" + 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 @@ -33,7 +41,7 @@ config BR2_PACKAGE_FFTW_PRECISION_LONG_DOUBLE # long-double precision require long-double trigonometric routines depends on !(BR2_TOOLCHAIN_BUILDROOT_UCLIBC && \ (BR2_arm || BR2_mips || BR2_mipsel)) - + select BR2_PACKAGE_FFTW_USE_SSE2 if BR2_X86_CPU_HAS_SSE2 help compile fftw in long-double precision diff --git a/package/fftw/fftw.mk b/package/fftw/fftw.mk index 78d36e9..18239e8 100644 --- a/package/fftw/fftw.mk +++ b/package/fftw/fftw.mk @@ -14,4 +14,8 @@ FFTW_CONF_OPTS += $(if $(BR2_PACKAGE_FFTW_PRECISION_SINGLE),--enable,--disable)- FFTW_CONF_OPTS += $(if $(BR2_PACKAGE_FFTW_PRECISION_LONG_DOUBLE),--enable,--disable)-long-double FFTW_CONF_OPTS += $(if $(BR2_PACKAGE_FFTW_PRECISION_QUAD),--enable,--disable)-quad-precision +# 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 + $(eval $(autotools-package))