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[Sparc] Add flags to enable errata workaround pass for GR712RC and UT700 #104742

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Merged
merged 3 commits into from
Aug 22, 2024
Merged

[Sparc] Add flags to enable errata workaround pass for GR712RC and UT700 #104742

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a68dec7
[Sparc] Add flags to enable errata workaround pass for GR712RC and UT700
doac Aug 19, 2024
a4ee7eb
[Sparc] Use --target= instead of -target
doac Aug 20, 2024
2a3d7aa
[Sparc] Place checks for same target on same line
doac Aug 20, 2024
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4 changes: 4 additions & 0 deletions clang/include/clang/Driver/Options.td
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Original file line number Diff line number Diff line change
Expand Up @@ -6148,6 +6148,10 @@ def mv8plus : Flag<["-"], "mv8plus">, Group<m_sparc_Features_Group>,
HelpText<"Enable V8+ mode, allowing use of 64-bit V9 instructions in 32-bit code">;
def mno_v8plus : Flag<["-"], "mno-v8plus">, Group<m_sparc_Features_Group>,
HelpText<"Disable V8+ mode">;
def mfix_gr712rc : Flag<["-"], "mfix-gr712rc">, Group<m_sparc_Features_Group>,
HelpText<"Enable workarounds for GR712RC errata">;
def mfix_ut700 : Flag<["-"], "mfix-ut700">, Group<m_sparc_Features_Group>,
HelpText<"Enable workarounds for UT700 errata">;
foreach i = 1 ... 7 in
def ffixed_g#i : Flag<["-"], "ffixed-g"#i>, Group<m_sparc_Features_Group>,
HelpText<"Reserve the G"#i#" register (SPARC only)">;
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13 changes: 13 additions & 0 deletions clang/lib/Driver/ToolChains/Arch/Sparc.cpp
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Expand Up @@ -264,4 +264,17 @@ void sparc::getSparcTargetFeatures(const Driver &D, const ArgList &Args,

if (Args.hasArg(options::OPT_ffixed_i5))
Features.push_back("+reserve-i5");

if (Args.hasArg(options::OPT_mfix_gr712rc)) {
Features.push_back("+fix-tn0009");
Features.push_back("+fix-tn0011");
Features.push_back("+fix-tn0012");
Features.push_back("+fix-tn0013");
}

if (Args.hasArg(options::OPT_mfix_ut700)) {
Features.push_back("+fix-tn0009");
Features.push_back("+fix-tn0010");
Features.push_back("+fix-tn0013");
}
}
5 changes: 5 additions & 0 deletions clang/test/Driver/sparc-fix.c
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@@ -0,0 +1,5 @@
// RUN: %clang --target=sparc -mfix-gr712rc -### %s 2>&1 | FileCheck --check-prefix=GR712RC %s
// GR712RC: "-target-feature" "+fix-tn0009" "-target-feature" "+fix-tn0011" "-target-feature" "+fix-tn0012" "-target-feature" "+fix-tn0013"

// RUN: %clang --target=sparc -mfix-ut700 -### %s 2>&1 | FileCheck --check-prefix=UT700 %s
// UT700: "-target-feature" "+fix-tn0009" "-target-feature" "+fix-tn0010" "-target-feature" "+fix-tn0013"
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