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| author | Eric Christopher <echristo@apple.com> | 2011-06-30 23:23:01 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2011-06-30 23:23:01 +0000 |
| commit | f45daac30ff6265697ed43ba34b4dc66ca1e7e80 (patch) | |
| tree | 6af5502a423da418a6da40dd5f6646ff22e43a23 /llvm/lib/Target/ARM/ARMISelLowering.cpp | |
| parent | b403f0c4ed8c32acb36d99d7f7c9b70adaafea8b (diff) | |
| download | bcm5719-llvm-f45daac30ff6265697ed43ba34b4dc66ca1e7e80.tar.gz bcm5719-llvm-f45daac30ff6265697ed43ba34b4dc66ca1e7e80.zip | |
Add support for the 'h' constraint.
Part of rdar://9119939
llvm-svn: 134203
Diffstat (limited to 'llvm/lib/Target/ARM/ARMISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index 092ff17edc6..1b9bcc99660 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -7482,6 +7482,7 @@ ARMTargetLowering::getConstraintType(const std::string &Constraint) const { default: break; case 'l': return C_RegisterClass; case 'w': return C_RegisterClass; + case 'h': return C_RegisterClass; } } else if (Constraint.size() == 2) { switch (Constraint[0]) { @@ -7534,11 +7535,16 @@ ARMTargetLowering::getRegForInlineAsmConstraint(const std::string &Constraint, if (Constraint.size() == 1) { // GCC ARM Constraint Letters switch (Constraint[0]) { - case 'l': + case 'l': // Low regs or general regs. if (Subtarget->isThumb()) return Pair(0U, ARM::tGPRRegisterClass); else return Pair(0U, ARM::GPRRegisterClass); + case 'h': // High regs or no regs. + if (Subtarget->isThumb()) + return Pair(0U, ARM::hGPRRegisterClass); + else + return Pair(0u, static_cast<const TargetRegisterClass*>(0)); case 'r': return Pair(0U, ARM::GPRRegisterClass); case 'w': |
