For HiSilicon's tsv110 cpu core, it supports some v8_4A features, but some mandatory features are not implemented. Revert to ARMv8.2 that all mandatory features are supported.
--- gcc/ChangeLog | 5 +++++ gcc/config/aarch64/aarch64-cores.def | 6 +++--- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e9f5baa6557c..842876b0ae90 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-12-19 Shaokun Zhang <zhangshao...@hisilicon.com> + + * config/aarch64/aarch64-cores.def (tsv110) : Revert support for ARMv8.2 + in tsv110. + 2018-12-18 Vladimir Makarov <vmaka...@redhat.com> PR rtl-optimization/87759 diff --git a/gcc/config/aarch64/aarch64-cores.def b/gcc/config/aarch64/aarch64-cores.def index 74be5dbf2595..20f4924e084d 100644 --- a/gcc/config/aarch64/aarch64-cores.def +++ b/gcc/config/aarch64/aarch64-cores.def @@ -96,10 +96,10 @@ AARCH64_CORE("cortex-a75", cortexa75, cortexa57, 8_2A, AARCH64_FL_FOR_ARCH8_2 AARCH64_CORE("cortex-a76", cortexa76, cortexa57, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_F16 | AARCH64_FL_RCPC | AARCH64_FL_DOTPROD, cortexa72, 0x41, 0xd0b, -1) AARCH64_CORE("ares", ares, cortexa57, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_F16 | AARCH64_FL_RCPC | AARCH64_FL_DOTPROD | AARCH64_FL_PROFILE, cortexa72, 0x41, 0xd0c, -1) -/* ARMv8.4-A Architecture Processors. */ - /* HiSilicon ('H') cores. */ -AARCH64_CORE("tsv110", tsv110, cortexa57, 8_4A, AARCH64_FL_FOR_ARCH8_4 | AARCH64_FL_CRYPTO | AARCH64_FL_F16 | AARCH64_FL_AES | AARCH64_FL_SHA2, tsv110, 0x48, 0xd01, -1) +AARCH64_CORE("tsv110", tsv110, cortexa57, 8_2A, AARCH64_FL_FOR_ARCH8_2 | AARCH64_FL_CRYPTO | AARCH64_FL_F16 | AARCH64_FL_AES | AARCH64_FL_SHA2, tsv110, 0x48, 0xd01, -1) + +/* ARMv8.4-A Architecture Processors. */ /* Qualcomm ('Q') cores. */ AARCH64_CORE("saphira", saphira, saphira, 8_4A, AARCH64_FL_FOR_ARCH8_4 | AARCH64_FL_CRYPTO | AARCH64_FL_RCPC, saphira, 0x51, 0xC01, -1) -- 2.7.4