Author: Hiroshi Yamauchi Date: 2021-01-14T10:47:33-08:00 New Revision: 202d359753d1f130a228c3ad52dfaabf384250d1
URL: https://github.com/llvm/llvm-project/commit/202d359753d1f130a228c3ad52dfaabf384250d1 DIFF: https://github.com/llvm/llvm-project/commit/202d359753d1f130a228c3ad52dfaabf384250d1.diff LOG: [X86] Add the FSRM feature (Fast Short Rep Mov) to Zen3. Note -x86-use-fsrm-for-memcpy is still disabled by default and there's no default behavior change. Differential Revision: https://reviews.llvm.org/D94436 Added: Modified: llvm/lib/Target/X86/X86.td llvm/test/CodeGen/X86/memcpy-inline-fsrm.ll Removed: ################################################################################ diff --git a/llvm/lib/Target/X86/X86.td b/llvm/lib/Target/X86/X86.td index 9096d9d54452..c492d686c52e 100644 --- a/llvm/lib/Target/X86/X86.td +++ b/llvm/lib/Target/X86/X86.td @@ -1071,7 +1071,8 @@ def ProcessorFeatures { list<SubtargetFeature> ZN2Tuning = ZNTuning; list<SubtargetFeature> ZN2Features = !listconcat(ZNFeatures, ZN2AdditionalFeatures); - list<SubtargetFeature> ZN3AdditionalFeatures = [FeatureINVPCID, + list<SubtargetFeature> ZN3AdditionalFeatures = [FeatureFSRM, + FeatureINVPCID, FeaturePKU, FeatureVAES, FeatureVPCLMULQDQ]; diff --git a/llvm/test/CodeGen/X86/memcpy-inline-fsrm.ll b/llvm/test/CodeGen/X86/memcpy-inline-fsrm.ll index 9480d74723fc..77e97626b1c6 100644 --- a/llvm/test/CodeGen/X86/memcpy-inline-fsrm.ll +++ b/llvm/test/CodeGen/X86/memcpy-inline-fsrm.ll @@ -4,6 +4,7 @@ ; RUN: llc -mtriple=x86_64-linux-gnu -x86-use-fsrm-for-memcpy -mcpu=haswell < %s | FileCheck %s --check-prefix=NOFSRM ; RUN: llc -mtriple=x86_64-linux-gnu -x86-use-fsrm-for-memcpy -mcpu=icelake-client < %s | FileCheck %s --check-prefix=FSRM ; RUN: llc -mtriple=x86_64-linux-gnu -x86-use-fsrm-for-memcpy -mcpu=icelake-server < %s | FileCheck %s --check-prefix=FSRM +; RUN: llc -mtriple=x86_64-linux-gnu -x86-use-fsrm-for-memcpy -mcpu=znver3 < %s | FileCheck %s --check-prefix=FSRM declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
