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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 | 35480284e736d78b79dabff8dd2e9f42fb6c0816 (patch) | |
| tree | f25ded55000a4f49107a879be0b1ed5ddaa02f42 /llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp | |
| parent | ea82bd7f0db946898fa5b6dcb9d110fc837eabbb (diff) | |
| download | bcm5719-llvm-35480284e736d78b79dabff8dd2e9f42fb6c0816.tar.gz bcm5719-llvm-35480284e736d78b79dabff8dd2e9f42fb6c0816.zip | |
X86: Disable long nops for all cpus prior to pentiumpro/i686.
llvm-svn: 165878
Diffstat (limited to 'llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp index 3809f3d3853..0ca1209449f 100644 --- a/llvm/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp +++ b/llvm/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; |
