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| author | Craig Topper <craig.topper@gmail.com> | 2014-01-06 04:55:54 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2014-01-06 04:55:54 +0000 |
| commit | 93c9401dff386e7684c859a6c67602a1f34d3402 (patch) | |
| tree | 223ff3a1e043fda43e9190495e6789c60b2ea940 /lib/Target/X86/X86InstrInfo.td | |
| parent | 3b83083711284c2cc50947ead90d9d049bbdcd4b (diff) | |
| download | llvm-93c9401dff386e7684c859a6c67602a1f34d3402.tar.gz llvm-93c9401dff386e7684c859a6c67602a1f34d3402.tar.bz2 llvm-93c9401dff386e7684c859a6c67602a1f34d3402.tar.xz | |
[x86] Add basic support for .code16
This is not really expected to work right yet. Mostly because we will
still emit the OpSize (0x66) prefix in all the wrong places, along with
a number of other corner cases. Those will all be fixed in the subsequent
commits.
Patch from David Woodhouse.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198584 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.td')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 707a313f14..9642a8926d 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -700,6 +700,12 @@ def Not64BitMode : Predicate<"!Subtarget->is64Bit()">, AssemblerPredicate<"!Mode64Bit", "Not 64-bit mode">; def In64BitMode : Predicate<"Subtarget->is64Bit()">, AssemblerPredicate<"Mode64Bit", "64-bit mode">; +def In16BitMode : Predicate<"Subtarget->is16Bit()">, + AssemblerPredicate<"Mode16Bit", "16-bit mode">; +def Not16BitMode : Predicate<"!Subtarget->is16Bit()">, + AssemblerPredicate<"!Mode16Bit", "Not 16-bit mode">; +def In32BitMode : Predicate<"Subtarget->is32Bit()">, + AssemblerPredicate<"Mode32Bit", "32-bit mode">; def IsWin64 : Predicate<"Subtarget->isTargetWin64()">; def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">; def NotNaCl : Predicate<"!Subtarget->isTargetNaCl()">; |