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Fix handling of 'g'. Closes 883
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29750 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -4187,6 +4187,9 @@ X86TargetLowering::getConstraintType(char ConstraintLetter) const {
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case 'S':
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case 'D':
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case 'c':
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case 'g': //FIXME: This over-constrains g. It should be replaced by rmi in
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// target independent code (I think this constraint is target
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// independent)
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return C_RegisterClass;
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default: return TargetLowering::getConstraintType(ConstraintLetter);
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}
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@ -4218,6 +4221,7 @@ getRegClassForInlineAsmConstraint(const std::string &Constraint,
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break;
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case 'r': // GENERAL_REGS
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case 'R': // LEGACY_REGS
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case 'g':
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if (VT == MVT::i32)
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return make_vector<unsigned>(X86::EAX, X86::EDX, X86::ECX, X86::EBX,
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X86::ESI, X86::EDI, X86::EBP, X86::ESP, 0);
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