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Differential D139343

[Driver][PPC] Support -mtune=auto
AbandonedPublic

Authored by qiongsiwu1 on Dec 5 2022, 9:32 AM.

Details

Reviewers
w2yehia
nemanjai
MaskRay
Summary

This patch teaches clang to recognize the auto option for -mtune. The option is identical to the mtune option native.

Diff Detail

Event Timeline

qiongsiwu1 created this revision.Dec 5 2022, 9:32 AM
Herald added a project: Restricted Project. · View Herald TranscriptDec 5 2022, 9:32 AM
Herald added subscribers: StephenFan, shchenz, kbarton. · View Herald Transcript
qiongsiwu1 requested review of this revision.Dec 5 2022, 9:32 AM
Herald added a subscriber: cfe-commits. · View Herald TranscriptDec 5 2022, 9:32 AM
qiongsiwu1 abandoned this revision.Dec 5 2022, 10:41 AM

It is decided that we no longer need this patch.

Harbormaster completed remote builds in B201145: Diff 480144.Dec 5 2022, 2:31 PM

Revision Contents

PathSize
clang/
lib/
Driver/
ToolChains/
3 lines
test/
Driver/
2 lines

Diff 480144

clang/lib/Driver/ToolChains/Clang.cpp

  • This file is larger than 256 KB, so syntax highlighting is disabled by default.
Show First 20 Lines • Show All 1,984 Lines • ▼ Show 20 Lines if (Arg *A = Args.getLastArg(options::OPT_mrelax_pic_calls,
} }
} }
} }
void Clang::AddPPCTargetArgs(const ArgList &Args, void Clang::AddPPCTargetArgs(const ArgList &Args,
ArgStringList &CmdArgs) const { ArgStringList &CmdArgs) const {
if (const Arg *A = Args.getLastArg(options::OPT_mtune_EQ)) { if (const Arg *A = Args.getLastArg(options::OPT_mtune_EQ)) {
CmdArgs.push_back("-tune-cpu"); CmdArgs.push_back("-tune-cpu");
if (strcmp(A->getValue(), "native") == 0) if (strcmp(A->getValue(), "native") == 0 ||
strcmp(A->getValue(), "auto") == 0)
CmdArgs.push_back(Args.MakeArgString(llvm::sys::getHostCPUName())); CmdArgs.push_back(Args.MakeArgString(llvm::sys::getHostCPUName()));
else else
CmdArgs.push_back(A->getValue()); CmdArgs.push_back(A->getValue());
} }
// Select the ABI to use. // Select the ABI to use.
const char *ABIName = nullptr; const char *ABIName = nullptr;
const llvm::Triple &T = getToolChain().getTriple(); const llvm::Triple &T = getToolChain().getTriple();
▲ Show 20 Lines • Show All 6,412 Lines • Show Last 20 Lines

clang/test/Driver/ppc-cpus.c

Show All 16 Lines
// RUN: %clang -### -c -target powerpc64 %s -mcpu=pwr6 2>&1 | FileCheck %s --check-prefix=NO_PPC64 // RUN: %clang -### -c -target powerpc64 %s -mcpu=pwr6 2>&1 | FileCheck %s --check-prefix=NO_PPC64
// RUN: %clang -### -c -target powerpc64 %s -mcpu=pwr7 2>&1 | FileCheck %s --check-prefix=NO_PPC64 // RUN: %clang -### -c -target powerpc64 %s -mcpu=pwr7 2>&1 | FileCheck %s --check-prefix=NO_PPC64
// RUN: %clang -### -c -target powerpc64 %s -mcpu=pwr8 2>&1 | FileCheck %s --check-prefix=NO_PPC64 // RUN: %clang -### -c -target powerpc64 %s -mcpu=pwr8 2>&1 | FileCheck %s --check-prefix=NO_PPC64
// NO_PPC64-NOT: "-target-cpu" "ppc64" // NO_PPC64-NOT: "-target-cpu" "ppc64"
// RUN: %clang -### -c --target=powerpc64 %s -mcpu=generic -mtune=pwr9 2>&1 | FileCheck %s --check-prefix=TUNE // RUN: %clang -### -c --target=powerpc64 %s -mcpu=generic -mtune=pwr9 2>&1 | FileCheck %s --check-prefix=TUNE
// TUNE: "-target-cpu" "ppc64" "-tune-cpu" "pwr9" // TUNE: "-target-cpu" "ppc64" "-tune-cpu" "pwr9"
// RUN: %clang -### -c --target=powerpc64 %s -mcpu=generic -mtune=auto 2>&1 | FileCheck %s --check-prefix=NO_AUTO
// NO_AUTO-NOT: "-target-cpu" "ppc64" "-tune-cpu" "auto"