16 lines
800 B
Plaintext
16 lines
800 B
Plaintext
implement -msave-args in clang/llvm, like the sun did for gcc
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Index: lib/Target/X86/X86.td
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--- lib/Target/X86/X86.td.orig
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+++ lib/Target/X86/X86.td
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@@ -321,6 +321,9 @@ def FeatureLZCNTFalseDeps : SubtargetFeature<"false-de
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"LZCNT/TZCNT have a false dependency on dest register">;
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def FeaturePCONFIG : SubtargetFeature<"pconfig", "HasPCONFIG", "true",
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"platform configuration instruction">;
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+def FeatureSaveArgs
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+ : SubtargetFeature<"save-args", "SaveArgs", "true",
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+ "Save register arguments on the stack.">;
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// On recent X86 (port bound) processors, its preferable to combine to a single shuffle
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// using a variable mask over multiple fixed shuffles.
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def FeatureFastVariableCrossLaneShuffle
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