Re: [OE-core] [PATCH] Remove the simd tune for armv8a
On Wed, Mar 20, 2019 at 07:56:45PM -0400, Khem Raj wrote: >... > Has need to turn it off then they should chime back > Since removing this just removes a detail which we can actually keep > without much effort Turning it off is the only part that would not be a nop, but this would require adding +nosimd. cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed -- ___ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core
Re: [OE-core] [PATCH] Remove the simd tune for armv8a
On Tue, Mar 19, 2019 at 4:45 AM Adrian Bunk wrote: > SIMD instructions are a mandatory part of armv8a > (they were optional in armv7a), and the gcc docs > also say that they are always enabled. This should be ok but please cite the reference to arch specs where it’s mentioned and if someone Has need to turn it off then they should chime back Since removing this just removes a detail which we can actually keep without much effort > > > Signed-off-by: Adrian Bunk > --- > meta/conf/machine/include/arm/arch-armv8a.inc | 6 ++ > meta/conf/machine/include/tune-cortexa32.inc | 4 ++-- > meta/conf/machine/include/tune-cortexa35.inc | 4 ++-- > meta/conf/machine/include/tune-cortexa53.inc | 4 ++-- > meta/conf/machine/include/tune-cortexa72.inc | 2 +- > 5 files changed, 9 insertions(+), 11 deletions(-) > > diff --git a/meta/conf/machine/include/arm/arch-armv8a.inc > b/meta/conf/machine/include/arm/arch-armv8a.inc > index 22064559be..44d0ca4557 100644 > --- a/meta/conf/machine/include/arm/arch-armv8a.inc > +++ b/meta/conf/machine/include/arm/arch-armv8a.inc > @@ -2,8 +2,6 @@ DEFAULTTUNE ?= "armv8a-crc" > > TUNEVALID[armv8a] = "Enable instructions for ARMv8-a" > TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'armv8a', ' > -march=armv8-a', '', d)}" > -TUNEVALID[simd] = "Enable instructions for ARMv8-a Advanced SIMD and > floating-point" > -TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'simd', '+simd', > '', d)}" > TUNEVALID[crc] = "Enable instructions for ARMv8-a Cyclic Redundancy Check > (CRC)" > TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'crc', '+crc', '', > d)}" > TUNEVALID[crypto] = "Enable instructions for ARMv8-a cryptographic" > @@ -18,11 +16,11 @@ ARMPKGARCH_tune-armv8a?= "armv8a" > ARMPKGARCH_tune-armv8a-crc?= "armv8a" > ARMPKGARCH_tune-armv8a-crypto ?= "armv8a" > ARMPKGARCH_tune-armv8a-crc-crypto ?= "armv8a" > -TUNE_FEATURES_tune-armv8a = "aarch64 armv8a simd" > +TUNE_FEATURES_tune-armv8a = "aarch64 armv8a" > TUNE_FEATURES_tune-armv8a-crc = > "${TUNE_FEATURES_tune-armv8a} crc" > TUNE_FEATURES_tune-armv8a-crypto = > "${TUNE_FEATURES_tune-armv8a} crypto" > TUNE_FEATURES_tune-armv8a-crc-crypto = > "${TUNE_FEATURES_tune-armv8a-crc} crypto" > -PACKAGE_EXTRA_ARCHS_tune-armv8a= "aarch64 armv8a simd" > +PACKAGE_EXTRA_ARCHS_tune-armv8a= "aarch64 armv8a" > PACKAGE_EXTRA_ARCHS_tune-armv8a-crc= > "${PACKAGE_EXTRA_ARCHS_tune-armv8a} crc" > PACKAGE_EXTRA_ARCHS_tune-armv8a-crypto = > "${PACKAGE_EXTRA_ARCHS_tune-armv8a} crypto" > PACKAGE_EXTRA_ARCHS_tune-armv8a-crc-crypto = > "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc} crypto" > diff --git a/meta/conf/machine/include/tune-cortexa32.inc > b/meta/conf/machine/include/tune-cortexa32.inc > index 4bf7f774e1..9c948f1766 100644 > --- a/meta/conf/machine/include/tune-cortexa32.inc > +++ b/meta/conf/machine/include/tune-cortexa32.inc > @@ -10,8 +10,8 @@ require conf/machine/include/arm/arch-armv8a.inc > AVAILTUNES += "cortexa32 cortexa32-crypto" > ARMPKGARCH_tune-cortexa32 = "cortexa32" > ARMPKGARCH_tune-cortexa32-crypto = "cortexa32" > -TUNE_FEATURES_tune-cortexa32 = "aarch64 cortexa32 simd crc" > -TUNE_FEATURES_tune-cortexa32-crypto = "aarch64 cortexa32 simd crc > crypto" > +TUNE_FEATURES_tune-cortexa32 = "aarch64 cortexa32 crc" > +TUNE_FEATURES_tune-cortexa32-crypto = "aarch64 cortexa32 crc crypto" > PACKAGE_EXTRA_ARCHS_tune-cortexa32 = > "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc} cortexa32" > PACKAGE_EXTRA_ARCHS_tune-cortexa32-crypto = > "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc-crypto} cortexa32 cortexa32-crypto" > BASE_LIB_tune-cortexa32 = "lib64" > diff --git a/meta/conf/machine/include/tune-cortexa35.inc > b/meta/conf/machine/include/tune-cortexa35.inc > index 6ece810753..d6df6cd6bd 100644 > --- a/meta/conf/machine/include/tune-cortexa35.inc > +++ b/meta/conf/machine/include/tune-cortexa35.inc > @@ -9,8 +9,8 @@ require conf/machine/include/arm/arch-armv8a.inc > AVAILTUNES += "cortexa35 cortexa35-crypto" > ARMPKGARCH_tune-cortexa35 = "cortexa35" > ARMPKGARCH_tune-cortexa35-crypto = "cortexa35" > -TUNE_FEATURES_tune-cortexa35 = "aarch64 cortexa35 simd crc" > -TUNE_FEATURES_tune-cortexa35-crypto = "aarch64 cortexa35 simd crc > crypto" > +TUNE_FEATURES_tune-cortexa35 = "aarch64 cortexa35 crc" > +TUNE_FEATURES_tune-cortexa35-crypto = "aarch64 cortexa35 crc crypto" > PACKAGE_EXTRA_ARCHS_tune-cortexa35 = > "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc} cortexa35" > PACKAGE_EXTRA_ARCHS_tune-cortexa35-crypto = > "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc-crypto} cortexa35 cortexa35-crypto" > BASE_LIB_tune-cortexa35 = "lib64" > diff --git a/meta/conf/machine/include/tune-cortexa53.inc > b/meta/conf/machine/include/tune-cortexa53.inc > index
[OE-core] [PATCH] Remove the simd tune for armv8a
SIMD instructions are a mandatory part of armv8a (they were optional in armv7a), and the gcc docs also say that they are always enabled. Signed-off-by: Adrian Bunk --- meta/conf/machine/include/arm/arch-armv8a.inc | 6 ++ meta/conf/machine/include/tune-cortexa32.inc | 4 ++-- meta/conf/machine/include/tune-cortexa35.inc | 4 ++-- meta/conf/machine/include/tune-cortexa53.inc | 4 ++-- meta/conf/machine/include/tune-cortexa72.inc | 2 +- 5 files changed, 9 insertions(+), 11 deletions(-) diff --git a/meta/conf/machine/include/arm/arch-armv8a.inc b/meta/conf/machine/include/arm/arch-armv8a.inc index 22064559be..44d0ca4557 100644 --- a/meta/conf/machine/include/arm/arch-armv8a.inc +++ b/meta/conf/machine/include/arm/arch-armv8a.inc @@ -2,8 +2,6 @@ DEFAULTTUNE ?= "armv8a-crc" TUNEVALID[armv8a] = "Enable instructions for ARMv8-a" TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'armv8a', ' -march=armv8-a', '', d)}" -TUNEVALID[simd] = "Enable instructions for ARMv8-a Advanced SIMD and floating-point" -TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'simd', '+simd', '', d)}" TUNEVALID[crc] = "Enable instructions for ARMv8-a Cyclic Redundancy Check (CRC)" TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'crc', '+crc', '', d)}" TUNEVALID[crypto] = "Enable instructions for ARMv8-a cryptographic" @@ -18,11 +16,11 @@ ARMPKGARCH_tune-armv8a?= "armv8a" ARMPKGARCH_tune-armv8a-crc?= "armv8a" ARMPKGARCH_tune-armv8a-crypto ?= "armv8a" ARMPKGARCH_tune-armv8a-crc-crypto ?= "armv8a" -TUNE_FEATURES_tune-armv8a = "aarch64 armv8a simd" +TUNE_FEATURES_tune-armv8a = "aarch64 armv8a" TUNE_FEATURES_tune-armv8a-crc = "${TUNE_FEATURES_tune-armv8a} crc" TUNE_FEATURES_tune-armv8a-crypto = "${TUNE_FEATURES_tune-armv8a} crypto" TUNE_FEATURES_tune-armv8a-crc-crypto = "${TUNE_FEATURES_tune-armv8a-crc} crypto" -PACKAGE_EXTRA_ARCHS_tune-armv8a= "aarch64 armv8a simd" +PACKAGE_EXTRA_ARCHS_tune-armv8a= "aarch64 armv8a" PACKAGE_EXTRA_ARCHS_tune-armv8a-crc= "${PACKAGE_EXTRA_ARCHS_tune-armv8a} crc" PACKAGE_EXTRA_ARCHS_tune-armv8a-crypto = "${PACKAGE_EXTRA_ARCHS_tune-armv8a} crypto" PACKAGE_EXTRA_ARCHS_tune-armv8a-crc-crypto = "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc} crypto" diff --git a/meta/conf/machine/include/tune-cortexa32.inc b/meta/conf/machine/include/tune-cortexa32.inc index 4bf7f774e1..9c948f1766 100644 --- a/meta/conf/machine/include/tune-cortexa32.inc +++ b/meta/conf/machine/include/tune-cortexa32.inc @@ -10,8 +10,8 @@ require conf/machine/include/arm/arch-armv8a.inc AVAILTUNES += "cortexa32 cortexa32-crypto" ARMPKGARCH_tune-cortexa32 = "cortexa32" ARMPKGARCH_tune-cortexa32-crypto = "cortexa32" -TUNE_FEATURES_tune-cortexa32 = "aarch64 cortexa32 simd crc" -TUNE_FEATURES_tune-cortexa32-crypto = "aarch64 cortexa32 simd crc crypto" +TUNE_FEATURES_tune-cortexa32 = "aarch64 cortexa32 crc" +TUNE_FEATURES_tune-cortexa32-crypto = "aarch64 cortexa32 crc crypto" PACKAGE_EXTRA_ARCHS_tune-cortexa32 = "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc} cortexa32" PACKAGE_EXTRA_ARCHS_tune-cortexa32-crypto = "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc-crypto} cortexa32 cortexa32-crypto" BASE_LIB_tune-cortexa32 = "lib64" diff --git a/meta/conf/machine/include/tune-cortexa35.inc b/meta/conf/machine/include/tune-cortexa35.inc index 6ece810753..d6df6cd6bd 100644 --- a/meta/conf/machine/include/tune-cortexa35.inc +++ b/meta/conf/machine/include/tune-cortexa35.inc @@ -9,8 +9,8 @@ require conf/machine/include/arm/arch-armv8a.inc AVAILTUNES += "cortexa35 cortexa35-crypto" ARMPKGARCH_tune-cortexa35 = "cortexa35" ARMPKGARCH_tune-cortexa35-crypto = "cortexa35" -TUNE_FEATURES_tune-cortexa35 = "aarch64 cortexa35 simd crc" -TUNE_FEATURES_tune-cortexa35-crypto = "aarch64 cortexa35 simd crc crypto" +TUNE_FEATURES_tune-cortexa35 = "aarch64 cortexa35 crc" +TUNE_FEATURES_tune-cortexa35-crypto = "aarch64 cortexa35 crc crypto" PACKAGE_EXTRA_ARCHS_tune-cortexa35 = "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc} cortexa35" PACKAGE_EXTRA_ARCHS_tune-cortexa35-crypto = "${PACKAGE_EXTRA_ARCHS_tune-armv8a-crc-crypto} cortexa35 cortexa35-crypto" BASE_LIB_tune-cortexa35 = "lib64" diff --git a/meta/conf/machine/include/tune-cortexa53.inc b/meta/conf/machine/include/tune-cortexa53.inc index 9fb37ff639..6c0b443eaf 100644 --- a/meta/conf/machine/include/tune-cortexa53.inc +++ b/meta/conf/machine/include/tune-cortexa53.inc @@ -9,8 +9,8 @@ require conf/machine/include/arm/arch-armv8a.inc AVAILTUNES += "cortexa53 cortexa53-crypto" ARMPKGARCH_tune-cortexa53 = "cortexa53" ARMPKGARCH_tune-cortexa53-crypto = "cortexa53" -TUNE_FEATURES_tune-cortexa53 = "aarch64 cortexa53 simd crc" -TUNE_FEATURES_tune-cortexa53-crypto = "aarch64