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author | Joerg Sonnenberger <joerg@bec.de> | 2013-08-27 20:23:19 +0000 |
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committer | Joerg Sonnenberger <joerg@bec.de> | 2013-08-27 20:23:19 +0000 |
commit | 66b7139b1be1ddce410d97499d5831231c6be267 (patch) | |
tree | 06c36d6ac91021789f9dc4a27d0e5e6568c14db6 /lib/Target/PowerPC/AsmParser | |
parent | b0bb2d6636ed7b1d089a37b3cf7913d06bb49f37 (diff) | |
download | external_llvm-66b7139b1be1ddce410d97499d5831231c6be267.zip external_llvm-66b7139b1be1ddce410d97499d5831231c6be267.tar.gz external_llvm-66b7139b1be1ddce410d97499d5831231c6be267.tar.bz2 |
Given target assembler parsers a chance to handle variant expressions
first. Use this to turn the PPC modifiers into PPC specific expressions,
allowing them to work on constants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189400 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/AsmParser')
-rw-r--r-- | lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp b/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp index a8f7509..bfa9bb7 100644 --- a/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp +++ b/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp @@ -235,6 +235,10 @@ public: virtual bool ParseDirective(AsmToken DirectiveID); unsigned validateTargetOperandClass(MCParsedAsmOperand *Op, unsigned Kind); + + virtual const MCExpr *applyModifierToExpr(const MCExpr *E, + MCSymbolRefExpr::VariantKind, + MCContext &Ctx); }; /// PPCOperand - Instances of this class represent a parsed PowerPC machine @@ -1363,3 +1367,26 @@ unsigned PPCAsmParser::validateTargetOperandClass(MCParsedAsmOperand *AsmOp, return Match_InvalidOperand; } +const MCExpr * +PPCAsmParser::applyModifierToExpr(const MCExpr *E, + MCSymbolRefExpr::VariantKind Variant, + MCContext &Ctx) { + switch (Variant) { + case MCSymbolRefExpr::VK_PPC_LO: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_LO, E, false, Ctx); + case MCSymbolRefExpr::VK_PPC_HI: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HI, E, false, Ctx); + case MCSymbolRefExpr::VK_PPC_HA: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HA, E, false, Ctx); + case MCSymbolRefExpr::VK_PPC_HIGHER: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HIGHER, E, false, Ctx); + case MCSymbolRefExpr::VK_PPC_HIGHERA: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HIGHERA, E, false, Ctx); + case MCSymbolRefExpr::VK_PPC_HIGHEST: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HIGHEST, E, false, Ctx); + case MCSymbolRefExpr::VK_PPC_HIGHESTA: + return PPCMCExpr::Create(PPCMCExpr::VK_PPC_HIGHESTA, E, false, Ctx); + default: + return 0; + } +} |