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This patch fixes a bug in floating point operands parsing, when instruction alias uses default register operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194562 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1159,9 +1159,7 @@ MipsAsmParser::ParseOperand(SmallVectorImpl<MCParsedAsmOperand *> &Operands,
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return true;
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SMLoc E = SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1);
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MCSymbol *Sym = getContext().GetOrCreateSymbol("$" + Identifier);
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// Otherwise create a symbol reference.
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const MCExpr *Res =
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MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_None, getContext());
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@ -1170,6 +1168,25 @@ MipsAsmParser::ParseOperand(SmallVectorImpl<MCParsedAsmOperand *> &Operands,
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return false;
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}
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case AsmToken::Identifier:
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// For instruction aliases like "bc1f $Label" dedicated parser will
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// eat the '$' sign before failing. So in order to look for appropriate
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// label we must check first if we have already consumed '$'.
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if (hasConsumedDollar) {
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hasConsumedDollar = false;
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SMLoc S = Parser.getTok().getLoc();
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StringRef Identifier;
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if (Parser.parseIdentifier(Identifier))
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return true;
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SMLoc E =
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SMLoc::getFromPointer(Parser.getTok().getLoc().getPointer() - 1);
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MCSymbol *Sym = getContext().GetOrCreateSymbol("$" + Identifier);
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// Create a symbol reference.
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const MCExpr *Res =
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MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_None, getContext());
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Operands.push_back(MipsOperand::CreateImm(Res, S, E));
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return false;
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}
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// Look for the existing symbol, we should check if
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// we need to assigne the propper RegisterKind.
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if (searchSymbolAlias(Operands, MipsOperand::Kind_None))
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@ -138,6 +138,8 @@
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#------------------------------------------------------------------------------
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# FP move instructions
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#------------------------------------------------------------------------------
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# CHECK: bc1f $BB_1 # encoding: [A,A,0x00,0x45]
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# CHECK: # fixup A - offset: 0, value: ($BB_1), kind: fixup_Mips_PC16
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# CHECK: cfc1 $6, $0 # encoding: [0x00,0x00,0x46,0x44]
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# CHECK: ctc1 $10, $31 # encoding: [0x00,0xf8,0xca,0x44]
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@ -173,7 +175,7 @@
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# CHECK: sdc2 $4, 16($sp) # encoding: [0x10,0x00,0xa4,0xfb]
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# CHECK: lwc2 $11, 12($ra) # encoding: [0x0c,0x00,0xeb,0xcb]
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# CHECK: ldc2 $11, 12($ra) # encoding: [0x0c,0x00,0xeb,0xdb]
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bc1f $fcc0, $BB_1
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cfc1 $a2,$0
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ctc1 $10,$31
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mfc1 $a2,$f7
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