Changes in directory llvm/lib/VMCore:
InlineAsm.cpp updated: 1.8 -> 1.9
---
Log message:
Parse the %*# constraint modifiers
---
Diffs of the changes: (+11 -1)
InlineAsm.cpp | 12 +++++++++++-
1 files changed, 11 insertions(+), 1 deletion(-)
Index: llvm/lib/VMCore/InlineAsm.cpp
diff -u llvm/lib/VMCore/InlineAsm.cpp:1.8 llvm/lib/VMCore/InlineAsm.cpp:1.9
--- llvm/lib/VMCore/InlineAsm.cpp:1.8 Wed Feb 1 18:23:53 2006
+++ llvm/lib/VMCore/InlineAsm.cpp Thu Feb 23 17:36:53 2006
@@ -51,6 +51,7 @@
isEarlyClobber = false;
isIndirectOutput = false;
hasMatchingInput = false;
+ isCommutative = false;
// Parse the prefix.
if (*I == '~') {
@@ -74,12 +75,21 @@
default:
DoneWithModifiers = true;
break;
- case '&':
+ case '&': // Early clobber.
if (Type != isOutput || // Cannot early clobber anything but output.
isEarlyClobber) // Reject &&&&&&
return true;
isEarlyClobber = true;
break;
+ case '%': // Commutative.
+ if (Type == isClobber || // Cannot commute clobbers.
+ isCommutative) // Reject %%%%%
+ return true;
+ isCommutative = true;
+ break;
+ case '#': // Comment.
+ case '*': // Register preferencing.
+ return true; // Not supported.
}
if (!DoneWithModifiers) {
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