[PATCH] D22142: [SystemZ] Add support for the .word directive.

[Zhan Jun Liau via llvm-commits]

zhanjunl created this revision.
zhanjunl added a reviewer: koriakin.
zhanjunl added a subscriber: llvm-commits.

Branch off the work to add support for the .word directive, using addAliasForDirective.

http://reviews.llvm.org/D22142

Files:
  lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp
  test/MC/SystemZ/word.s

Index: test/MC/SystemZ/word.s
===================================================================
--- /dev/null
+++ test/MC/SystemZ/word.s
@@ -0,0 +1,24 @@
+# RUN: llvm-mc -triple s390x-linux-gnu -filetype=obj %s | \
+# RUN: llvm-readobj -s -sd | FileCheck %s
+
+.section word, "aw"
+.word 0xabcd
+
+# CHECK:        Section {
+# CHECK:          Name: word
+# 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:
+# CHECK-NEXT:     EntrySize: 0
+# CHECK-NEXT:     SectionData (
+# CHECK-NEXT:       0000: ABCD
+# CHECK-NEXT:     )
+# CHECK-NEXT:   }
Index: lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp
===================================================================
--- lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp
+++ lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp
@@ -391,6 +391,9 @@
     : MCTargetAsmParser(Options, sti), Parser(parser) {
     MCAsmParserExtension::Initialize(Parser);
 
+    // Alias the .word directive to .short.
+    parser.addAliasForDirective(".word", ".short");
+
     // Initialize the set of available features.
     setAvailableFeatures(ComputeAvailableFeatures(getSTI().getFeatureBits()));
   }


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