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This patch implements parsing the .word
directive for the Mips assembler. Contributer: Vladimir Medic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173407 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -133,6 +133,8 @@ class MipsAsmParser : public MCTargetAsmParser {
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bool parseSetReorderDirective();
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bool parseSetReorderDirective();
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bool parseSetNoReorderDirective();
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bool parseSetNoReorderDirective();
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bool parseDirectiveWord(unsigned Size, SMLoc L);
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MCSymbolRefExpr::VariantKind getVariantKind(StringRef Symbol);
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MCSymbolRefExpr::VariantKind getVariantKind(StringRef Symbol);
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bool isMips64() const {
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bool isMips64() const {
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@ -1451,51 +1453,84 @@ bool MipsAsmParser::parseDirectiveSet() {
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Parser.EatToEndOfStatement();
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Parser.EatToEndOfStatement();
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return false;
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return false;
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}
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}
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return true;
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return true;
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}
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}
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/// parseDirectiveWord
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/// ::= .word [ expression (, expression)* ]
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bool MipsAsmParser::parseDirectiveWord(unsigned Size, SMLoc L) {
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if (getLexer().isNot(AsmToken::EndOfStatement)) {
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for (;;) {
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const MCExpr *Value;
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if (getParser().ParseExpression(Value))
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return true;
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getParser().getStreamer().EmitValue(Value, Size);
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if (getLexer().is(AsmToken::EndOfStatement))
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break;
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// FIXME: Improve diagnostic.
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if (getLexer().isNot(AsmToken::Comma))
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return Error(L, "unexpected token in directive");
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Parser.Lex();
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}
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}
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Parser.Lex();
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return false;
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}
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bool MipsAsmParser::ParseDirective(AsmToken DirectiveID) {
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bool MipsAsmParser::ParseDirective(AsmToken DirectiveID) {
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if (DirectiveID.getString() == ".ent") {
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StringRef IDVal = DirectiveID.getString();
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if ( IDVal == ".ent") {
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// ignore this directive for now
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// ignore this directive for now
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Parser.Lex();
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Parser.Lex();
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return false;
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return false;
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}
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}
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if (DirectiveID.getString() == ".end") {
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if (IDVal == ".end") {
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// ignore this directive for now
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// ignore this directive for now
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Parser.Lex();
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Parser.Lex();
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return false;
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return false;
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}
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}
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if (DirectiveID.getString() == ".frame") {
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if (IDVal == ".frame") {
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// ignore this directive for now
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// ignore this directive for now
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Parser.EatToEndOfStatement();
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Parser.EatToEndOfStatement();
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return false;
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return false;
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}
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}
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if (DirectiveID.getString() == ".set") {
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if (IDVal == ".set") {
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return parseDirectiveSet();
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return parseDirectiveSet();
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}
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}
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if (DirectiveID.getString() == ".fmask") {
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if (IDVal == ".fmask") {
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// ignore this directive for now
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// ignore this directive for now
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Parser.EatToEndOfStatement();
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Parser.EatToEndOfStatement();
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return false;
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return false;
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}
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}
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if (DirectiveID.getString() == ".mask") {
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if (IDVal == ".mask") {
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// ignore this directive for now
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// ignore this directive for now
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Parser.EatToEndOfStatement();
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Parser.EatToEndOfStatement();
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return false;
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return false;
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}
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}
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if (DirectiveID.getString() == ".gpword") {
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if (IDVal == ".gpword") {
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// ignore this directive for now
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// ignore this directive for now
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Parser.EatToEndOfStatement();
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Parser.EatToEndOfStatement();
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return false;
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return false;
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}
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}
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if (IDVal == ".word") {
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parseDirectiveWord(4, DirectiveID.getLoc());
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return false;
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}
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return true;
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return true;
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}
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}
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@ -1,4 +1,4 @@
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# RUN: llvm-mc -triple mips-unknown-unknown %s
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# RUN: llvm-mc -triple mips-unknown-unknown %s | FileCheck %s
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#this test produces no output so there isS no FileCheck call
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#this test produces no output so there isS no FileCheck call
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$BB0_2:
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$BB0_2:
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.ent directives_test
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.ent directives_test
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@ -10,6 +10,9 @@ $BB0_2:
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.set noat
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.set noat
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$JTI0_0:
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$JTI0_0:
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.gpword ($BB0_2)
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.gpword ($BB0_2)
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.word 0x77fffffc
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# CHECK: $JTI0_0:
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# CHECK-NEXT: .4byte 2013265916
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.set at=$12
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.set at=$12
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.set macro
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.set macro
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.set reorder
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.set reorder
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