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tunes/sve: Add support for sve2 instructions

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Add support for SVE2 and add to 8-2a, as it can be used there.
Also, clean up the comments

(From OE-Core rev: 683443d57cb18b3b54245b1a09b6e5d2bae4f5d0)

Signed-off-by: Jon Mason <jon.mason@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Jon Mason
2024-02-05 13:40:52 +01:00
committed by Richard Purdie
parent b94e596464
commit e71f54c6ef
3 changed files with 8 additions and 3 deletions
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1
meta/conf/machine/include/arm/arch-armv8-2a.inc
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@@ -6,6 +6,7 @@ TUNE_CCARGS_MARCH .= "${@bb.utils.contains('TUNE_FEATURES', 'armv8-2a', ' -march
MACHINEOVERRIDES =. "${@bb.utils.contains('TUNE_FEATURES', 'armv8-2a', 'armv8-2a:', '', d)}"
require conf/machine/include/arm/arch-armv8a.inc
require conf/machine/include/arm/feature-arm-sve.inc
# Little Endian base configs
AVAILTUNES += "armv8-2a armv8-2a-crypto"

1
meta/conf/machine/include/arm/arch-armv8r.inc
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@@ -10,6 +10,7 @@ MACHINEOVERRIDES =. "${@bb.utils.contains('TUNE_FEATURES', 'armv8r', 'armv8r:',
require conf/machine/include/arm/arch-arm64.inc
require conf/machine/include/arm/feature-arm-crc.inc
require conf/machine/include/arm/feature-arm-crypto.inc
require conf/machine/include/arm/feature-arm-sve.inc
# All ARMv8 has floating point hardware built in. Null it here to avoid any confusion for 32bit.
TARGET_FPU_32 = ""

9
meta/conf/machine/include/arm/feature-arm-sve.inc
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@@ -1,5 +1,8 @@
# Scalable Vector Extension (SVE) for:
# armv8.2-a, armv8.3-a, armv8.4-a, armv8.5-a, armv8.6-a, armv8-r, armv9a
# Scalable Vector Extension (SVE) for Armv8-A and R
# Enabled by default for Armv9
TUNEVALID[sve] = "Enable SVE instructions for ARMv8 and ARMv9"
TUNEVALID[sve] = "Enable SVE instructions for ARMv8"
TUNE_CCARGS_MARCH_OPTS .= "${@bb.utils.contains('TUNE_FEATURES', 'sve', '+sve', '', d)}"
TUNEVALID[sve2] = "Enable SVE2 instructions for ARMv8"
TUNE_CCARGS_MARCH_OPTS .= "${@bb.utils.contains('TUNE_FEATURES', 'sve2', '+sve2', '', d)}"