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Add predicates for distinguishing 32-bit and 64-bit modes.

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The 'sparc' architecture produces 32-bit code while 'sparcv9' produces
64-bit code.

It is also possible to run 32-bit code using SPARC v9 instructions with:

  llc -march=sparc -mattr=+v9

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178524 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2013-04-02 04:09:06 +00:00
parent f37812e906
commit a10fd6d3d1
1 changed files with 6 additions and 0 deletions
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6
lib/Target/Sparc/SparcInstrInfo.td
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@ -21,6 +21,12 @@ include "SparcInstrFormats.td"
// Feature predicates.
//===----------------------------------------------------------------------===//
// True when generating 32-bit code.
def Is32Bit : Predicate<"!Subtarget.is64Bit()">;
// True when generating 64-bit code. This also implies HasV9.
def Is64Bit : Predicate<"Subtarget.is64Bit()">;
// HasV9 - This predicate is true when the target processor supports V9
// instructions. Note that the machine may be running in 32-bit mode.
def HasV9 : Predicate<"Subtarget.isV9()">;