[llvm-commits] CVS: llvm/lib/Target/Target.td
Chris Lattner
lattner at cs.uiuc.edu
Sun Oct 3 12:34:59 PDT 2004
Changes in directory llvm/lib/Target:
Target.td updated: 1.40 -> 1.41
---
Log message:
Add initial support for variants
---
Diffs of the changes: (+10 -2)
Index: llvm/lib/Target/Target.td
diff -u llvm/lib/Target/Target.td:1.40 llvm/lib/Target/Target.td:1.41
--- llvm/lib/Target/Target.td:1.40 Tue Sep 28 16:29:00 2004
+++ llvm/lib/Target/Target.td Sun Oct 3 14:34:18 2004
@@ -188,6 +188,14 @@
// InstFormatName - AsmWriters can specify the name of the format string to
// print instructions with.
string InstFormatName = "AsmString";
+
+ // Variant - AsmWriters can be of multiple different variants. Variants are
+ // used to support targets that need to emit assembly code in ways that are
+ // mostly the same for different targets, but have minor differences in
+ // syntax. If the asmstring contains {|} characters in them, this integer
+ // will specify which alternative to use. For example "{x|y|z}" with Variant
+ // == 1, will expand to "y".
+ int Variant = 0;
}
def DefaultAsmWriter : AsmWriter;
@@ -207,8 +215,8 @@
// InstructionSet - Instruction set description for this target.
InstrInfo InstructionSet;
- // AssemblyWriter - The AsmWriter instance to use for this target.
- AsmWriter AssemblyWriter = DefaultAsmWriter;
+ // AssemblyWriters - The AsmWriter instances available for this target.
+ list<AsmWriter> AssemblyWriters = [DefaultAsmWriter];
}
More information about the llvm-commits
mailing list