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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2012-10-13 17:28:35 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2012-10-13 17:28:35 +0000 |
| commit | 126afcbf654e42dc3f659a1a66bfa8a784e7bd46 (patch) | |
| tree | c9ed2f8a8bd02a5784d2341ab7e8677a22ebcdc3 /lib/Target/X86/MCTargetDesc | |
| parent | d86296a4aea7ebac9c8ef8ba92642b64545dec95 (diff) | |
| download | external_llvm-126afcbf654e42dc3f659a1a66bfa8a784e7bd46.zip external_llvm-126afcbf654e42dc3f659a1a66bfa8a784e7bd46.tar.gz external_llvm-126afcbf654e42dc3f659a1a66bfa8a784e7bd46.tar.bz2 | |
X86: Disable long nops for all cpus prior to pentiumpro/i686.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165878 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/MCTargetDesc')
| -rw-r--r-- | lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp b/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp index 3809f3d..0ca1209 100644 --- a/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp +++ b/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp @@ -307,7 +307,9 @@ bool X86AsmBackend::writeNopData(uint64_t Count, MCObjectWriter *OW) const { }; // This CPU doesnt support long nops. If needed add more. - if (CPU == "geode") { + // FIXME: Can we get this from the subtarget somehow? + if (CPU == "generic" || CPU == "i386" || CPU == "i486" || CPU == "i586" || + CPU == "pentium" || CPU == "pentium-mmx" || CPU == "geode") { for (uint64_t i = 0; i < Count; ++i) OW->Write8(0x90); return true; |