xref: /OK3568_Linux_fs/yocto/poky/meta/conf/machine/include/arm/feature-arm-neon.inc (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# GCC supports following options:
2*4882a593Smuzhiyun# 'vfp', 'vfpv3', 'vfpv3-fp16', 'vfpv3-d16', 'vfpv3-d16-fp16', 'vfpv3xd', 'vfpv3xd-fp16', 'neon', 'neon-fp16', 'vfpv4', 'vfpv4-d16', 'fpv4-sp-d16', 'neon-vfpv4', 'fpv5-d16', 'fpv5-sp-d16', 'fp-armv8', 'neon-fp-armv8', and 'crypto-neon-fp-armv8'
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun# Only some combinations are supported here.
5*4882a593Smuzhiyun# 'vfp', -mfloat-abi parameter and 'hf' suffix is implemented in feature-arm-vfp.inc
6*4882a593Smuzhiyun
7*4882a593SmuzhiyunTUNEVALID[neon] = "Enable Neon SIMD accelerator unit."
8*4882a593SmuzhiyunTUNE_CCARGS_MFPU .= "${@bb.utils.contains('TUNE_FEATURES', 'neon', ' neon', '', d)}"
9*4882a593Smuzhiyun
10*4882a593SmuzhiyunTUNEVALID[vfpv3d16] = "Enable Vector Floating Point Version 3 with 16 registers (vfpv3-d16) unit."
11*4882a593SmuzhiyunTUNE_CCARGS_MFPU .= "${@bb.utils.contains('TUNE_FEATURES', 'vfpv3d16', ' vfpv3-d16', '', d)}"
12*4882a593Smuzhiyun
13*4882a593SmuzhiyunTUNEVALID[vfpv3] = "Enable Vector Floating Point Version 3 with 32 registers (vfpv3) unit."
14*4882a593SmuzhiyunTUNE_CCARGS_MFPU .= "${@bb.utils.contains('TUNE_FEATURES', 'vfpv3', ' vfpv3', '' , d)}"
15*4882a593Smuzhiyun
16*4882a593SmuzhiyunTUNEVALID[vfpv4] = "Enable Vector Floating Point Version 4 (vfpv4) unit."
17*4882a593SmuzhiyunTUNE_CCARGS_MFPU .= "${@bb.utils.contains('TUNE_FEATURES', 'vfpv4', ' vfpv4', '', d)}"
18*4882a593SmuzhiyunTUNE_CCARGS_MFPU .= "${@bb.utils.contains('TUNE_FEATURES', [ 'vfpv4', 'neon' ], ' neon-vfpv4', '', d)}"
19*4882a593Smuzhiyun
20*4882a593SmuzhiyunTUNEVALID[vfpv4d16] = "Enable Vector Floating Point Version 4 with 16 registers (vfpv4-d16) unit."
21*4882a593SmuzhiyunTUNE_CCARGS_MFPU .= "${@bb.utils.contains('TUNE_FEATURES', 'vfpv4d16', ' vfpv4-d16', '', d)}"
22*4882a593Smuzhiyun
23*4882a593SmuzhiyunTUNEVALID[vfpv5spd16] = "Enable Vector Floating Point Version 5, Single Precision. with 16 registers (fpv5-sp-d16) unit."
24*4882a593SmuzhiyunTUNE_CCARGS_MFPU .= "${@bb.utils.contains('TUNE_FEATURES', 'vfpv5spd16', 'fpv5-sp-d16', '', d)}"
25*4882a593Smuzhiyun
26*4882a593SmuzhiyunTUNE_CCARGS_MARCH_OPTS .= "${@bb.utils.contains('TUNE_FEATURES', [ 'vfpv3d16', 'vfpv5spd16' ], '+fp', '', d)}"
27