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Fix pr18515.

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My understanding (from reading just the llvm code) is that
* most ppc cpus have a "sync n" instruction and an msync alias that is "sync 0".
* "book e" cpus instead have a msync instruction and not the more
general "sync n"

This patch reflects that in the .td files, allowing a single codepath for
asm ond obj streamer and incidentelly fixes a crash when EmitRawText was
called on a obj streamer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199832 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-01-22 20:20:52 +00:00
parent 8b594ba851
commit ff16685a80
2 changed files with 18 additions and 14 deletions
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7
lib/Target/PowerPC/PPCAsmPrinter.cpp
View File

@@ -697,13 +697,6 @@ void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) {
return;
}
break;
case PPC::SYNC:
// In Book E sync is called msync, handle this special case here...
if (Subtarget.isBookE()) {
OutStreamer.EmitRawText(StringRef("\tmsync"));
return;
}
break;
case PPC::LD:
case PPC::STD:
case PPC::LWA_32: