From c5590435871f83fcca35a3ee28692e5864b8a657 Mon Sep 17 00:00:00 2001 From: zhangyipeng Date: Tue, 9 Mar 2021 16:51:56 +0800 Subject: [PATCH] [Huawei]Disable ddot intrinsic on CPUs that not support Signed-off-by: Mou Zhuojun --- hotspot/src/cpu/ppc/vm/vm_version_ppc.cpp | 5 +++++ hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp | 5 +++++ hotspot/src/cpu/x86/vm/vm_version_x86.cpp | 5 +++++ 3 files changed, 15 insertions(+) diff --git a/hotspot/src/cpu/ppc/vm/vm_version_ppc.cpp b/hotspot/src/cpu/ppc/vm/vm_version_ppc.cpp index 3c59c96ca..b5ce1cfa9 100644 --- a/hotspot/src/cpu/ppc/vm/vm_version_ppc.cpp +++ b/hotspot/src/cpu/ppc/vm/vm_version_ppc.cpp @@ -236,6 +236,11 @@ void VM_Version::initialize() { FLAG_SET_DEFAULT(UseSHA, false); } + if (UseF2jBLASIntrinsics) { + warning("F2jBLAS instructions are not available on this CPU"); + FLAG_SET_DEFAULT(UseF2jBLASIntrinsics, false); + } + if (FLAG_IS_DEFAULT(UseMontgomeryMultiplyIntrinsic)) { UseMontgomeryMultiplyIntrinsic = true; } diff --git a/hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp b/hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp index d7240e876..bd893e138 100644 --- a/hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp +++ b/hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp @@ -382,6 +382,11 @@ void VM_Version::initialize() { } } + if (UseF2jBLASIntrinsics) { + warning("F2jBLAS instructions are not available on this CPU"); + FLAG_SET_DEFAULT(UseF2jBLASIntrinsics, false); + } + if (FLAG_IS_DEFAULT(ContendedPaddingWidth) && (cache_line_size > ContendedPaddingWidth)) ContendedPaddingWidth = cache_line_size; diff --git a/hotspot/src/cpu/x86/vm/vm_version_x86.cpp b/hotspot/src/cpu/x86/vm/vm_version_x86.cpp index 3a4246c68..46b3e32ea 100644 --- a/hotspot/src/cpu/x86/vm/vm_version_x86.cpp +++ b/hotspot/src/cpu/x86/vm/vm_version_x86.cpp @@ -628,6 +628,11 @@ void VM_Version::get_processor_features() { FLAG_SET_DEFAULT(UseSHA512Intrinsics, false); } + if (UseF2jBLASIntrinsics) { + warning("F2jBLAS instructions are not available on this CPU"); + FLAG_SET_DEFAULT(UseF2jBLASIntrinsics, false); + } + // Adjust RTM (Restricted Transactional Memory) flags if (!supports_rtm() && UseRTMLocking) { // Can't continue because UseRTMLocking affects UseBiasedLocking flag -- 2.19.0