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[PowerPC] Support .llong and fix .word

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This adds support for the .llong PowerPC-specifc assembler directive.
In doing so, I notices that .word is currently incorrect: it is
supposed to define a 2-byte data element, not a 4-byte one.

llvm-svn: 185911
This commit is contained in:
Ulrich Weigand 2013-07-09 07:59:25 +00:00
parent 90d0b32c9e
commit 1926a433be
4 changed files with 60 additions and 2 deletions
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4
lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
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@ -1177,7 +1177,9 @@ ParseInstruction(ParseInstructionInfo &Info, StringRef Name, SMLoc NameLoc,
bool PPCAsmParser::ParseDirective(AsmToken DirectiveID) {
StringRef IDVal = DirectiveID.getIdentifier();
if (IDVal == ".word")
return ParseDirectiveWord(4, DirectiveID.getLoc());
return ParseDirectiveWord(2, DirectiveID.getLoc());
if (IDVal == ".llong")
return ParseDirectiveWord(8, DirectiveID.getLoc());
if (IDVal == ".tc")
return ParseDirectiveTC(isPPC64()? 8 : 4, DirectiveID.getLoc());
return true;

28
test/MC/PowerPC/ppc-llong.s Normal file
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@ -0,0 +1,28 @@
# RUN: llvm-mc -triple powerpc-unknown-unknown -filetype=obj %s | \
# RUN: llvm-readobj -s -sd | FileCheck %s
# RUN: llvm-mc -triple powerpc64-unknown-unknown -filetype=obj %s | \
# RUN: llvm-readobj -s -sd | FileCheck %s
.data
.llong 0
# CHECK: Section {
# CHECK: Name: .data
# CHECK-NEXT: Type: SHT_PROGBITS
# CHECK-NEXT: Flags [
# CHECK-NEXT: SHF_ALLOC
# CHECK-NEXT: SHF_WRITE
# CHECK-NEXT: ]
# CHECK-NEXT: Address: 0x0
# CHECK-NEXT: Offset:
# CHECK-NEXT: Size: 8
# CHECK-NEXT: Link: 0
# CHECK-NEXT: Info: 0
# CHECK-NEXT: AddressAlignment: 4
# CHECK-NEXT: EntrySize: 0
# CHECK-NEXT: SectionData (
# CHECK-NEXT: 0000: 00000000 00000000
# CHECK-NEXT: )
# CHECK-NEXT: }

28
test/MC/PowerPC/ppc-word.s Normal file
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@ -0,0 +1,28 @@
# RUN: llvm-mc -triple powerpc-unknown-unknown -filetype=obj %s | \
# RUN: llvm-readobj -s -sd | FileCheck %s
# RUN: llvm-mc -triple powerpc64-unknown-unknown -filetype=obj %s | \
# RUN: llvm-readobj -s -sd | FileCheck %s
.data
.word 0
# CHECK: Section {
# CHECK: Name: .data
# CHECK-NEXT: Type: SHT_PROGBITS
# CHECK-NEXT: Flags [
# CHECK-NEXT: SHF_ALLOC
# CHECK-NEXT: SHF_WRITE
# CHECK-NEXT: ]
# CHECK-NEXT: Address: 0x0
# CHECK-NEXT: Offset:
# CHECK-NEXT: Size: 2
# CHECK-NEXT: Link: 0
# CHECK-NEXT: Info: 0
# CHECK-NEXT: AddressAlignment: 4
# CHECK-NEXT: EntrySize: 0
# CHECK-NEXT: SectionData (
# CHECK-NEXT: 0000: 0000
# CHECK-NEXT: )
# CHECK-NEXT: }

2
test/MC/PowerPC/ppc64-fixup-apply.s
View File

@ -48,7 +48,7 @@ addis 1, 1, target7@highesta
.data
.quad v1
.word v2
.long v2
.short v3
.byte v4