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| author | Qiu Chaofan <qiucofan@cn.ibm.com> | 2022-01-22 23:29:34 +0800 |
|---|---|---|
| committer | Qiu Chaofan <qiucofan@cn.ibm.com> | 2022-01-22 23:29:34 +0800 |
| commit | 00d68c3824bfcb103783b94c4cd8df353e4ee85d (patch) | |
| tree | d82bac29d24a92dd22a8d45fd277231412a45783 | |
| parent | 8dedf9b58bff3589bff8cb422e449c4ee7f11499 (diff) | |
[PowerPC] Support parsing GNU attributes in MC
This patch is the first step to enable support of GNU attribute in LLVM
PowerPC, enabling it for PowerPC targets, otherwise llvm-mc raises error
when seeing the attribute section.
Reviewed By: jsji
Differential Revision: https://reviews.llvm.org/D115854
| -rw-r--r-- | llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp | 12 | ||||
| -rw-r--r-- | llvm/test/MC/PowerPC/gnu-attribute.s | 11 |
2 files changed, 23 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp b/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp index a640e63b5df8..715cff72dcab 100644 --- a/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp +++ b/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp @@ -121,6 +121,7 @@ class PPCAsmParser : public MCTargetAsmParser { bool ParseDirectiveMachine(SMLoc L); bool ParseDirectiveAbiVersion(SMLoc L); bool ParseDirectiveLocalEntry(SMLoc L); + bool ParseGNUAttribute(SMLoc L); bool MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode, OperandVector &Operands, MCStreamer &Out, @@ -1605,6 +1606,8 @@ bool PPCAsmParser::ParseDirective(AsmToken DirectiveID) { ParseDirectiveAbiVersion(DirectiveID.getLoc()); else if (IDVal == ".localentry") ParseDirectiveLocalEntry(DirectiveID.getLoc()); + else if (IDVal.startswith(".gnu_attribute")) + ParseGNUAttribute(DirectiveID.getLoc()); else return true; return false; @@ -1720,7 +1723,16 @@ bool PPCAsmParser::ParseDirectiveLocalEntry(SMLoc L) { return false; } +bool PPCAsmParser::ParseGNUAttribute(SMLoc L) { + int64_t Tag; + int64_t IntegerValue; + if (!getParser().parseGNUAttribute(L, Tag, IntegerValue)) + return false; + + getParser().getStreamer().emitGNUAttribute(Tag, IntegerValue); + return true; +} /// Force static initialization. extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializePowerPCAsmParser() { diff --git a/llvm/test/MC/PowerPC/gnu-attribute.s b/llvm/test/MC/PowerPC/gnu-attribute.s new file mode 100644 index 000000000000..98a558d52c6f --- /dev/null +++ b/llvm/test/MC/PowerPC/gnu-attribute.s @@ -0,0 +1,11 @@ +# RUN: llvm-mc -triple powerpc64-unknown-linux-gnu < %s | FileCheck %s +# RUN: llvm-mc -triple powerpc64le-unknown-linux-gnu < %s | FileCheck %s + + .text +add: + add 3, 4, 3 + blr + .gnu_attribute 4, 13 + +# CHECK-LABEL: add: +# CHECK: .gnu_attribute 4, 13 |