Reduce size of 'StackAlignment' field from 5 to 3 bits. Seriously, who needs a
2GB-aligned stack anyway? 256 bytes is plenty. Requested by Chris.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96718 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Attributes.h b/include/llvm/Attributes.h
index 126c290..1296d67 100644
--- a/include/llvm/Attributes.h
+++ b/include/llvm/Attributes.h
@@ -60,11 +60,11 @@
const Attributes Naked = 1<<24; ///< Naked function
const Attributes InlineHint = 1<<25; ///< source said inlining was
///desirable
-const Attributes StackAlignment = 31<<26; ///< Alignment of stack for
- ///function (5 bits) stored as log2
- ///of alignment with +1 bias
- ///0 means unaligned (different from
- ///alignstack(1))
+const Attributes StackAlignment = 7<<26; ///< Alignment of stack for
+ ///function (3 bits) stored as log2
+ ///of alignment with +1 bias
+ ///0 means unaligned (different from
+ ///alignstack(1))
/// @brief Attributes that only apply to function parameters.
const Attributes ParameterOnly = ByVal | Nest | StructRet | NoCapture;
@@ -118,7 +118,7 @@
return 0;
assert(isPowerOf2_32(i) && "Alignment must be a power of two.");
- assert(i <= 0x40000000 && "Alignment too large.");
+ assert(i <= 0x100 && "Alignment too large.");
return (Log2_32(i)+1) << 26;
}