6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-08-17 21:29:20 +00:00
Code Issues Projects Releases Wiki Activity

TargetData assumes (and some regression tests depend on it) that the size of

Browse Source 
an unspecified datatype in the datalayout is capped by the size of a pointer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33411 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2007-01-20 23:07:13 +00:00
parent 4a8c32debf
commit 1027a533d4
2 changed files with 13 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/llvm/Target/TargetData.h
View File

@ -70,7 +70,8 @@ public:
/// Constructs a TargetData from a string of the following format:
/// "E-p:64:64-d:64-f:32-l:64-i:32-s:16-b:8-B:8"
/// The above string is considered the default, and any values not specified
/// in the string will be assumed to be as above.
/// in the string will be assumed to be as above, with the caveat that unspecified
/// values are always assumed to be smaller than the size of a pointer.
TargetData(const std::string &TargetDescription) {
init(TargetDescription);
}

15
lib/Target/TargetData.cpp
View File

@ -103,9 +103,9 @@ void TargetData::init(const std::string &TargetDescription) {
LittleEndian = false;
PointerMemSize = 8;
PointerABIAlignment = 8;
DoubleABIAlignment = 8;
DoubleABIAlignment = 0;
FloatABIAlignment = 4;
LongABIAlignment = 8;
LongABIAlignment = 0;
IntABIAlignment = 4;
ShortABIAlignment = 2;
ByteABIAlignment = 1;
@ -114,9 +114,9 @@ void TargetData::init(const std::string &TargetDescription) {
BytePrefAlignment = ByteABIAlignment;
ShortPrefAlignment = ShortABIAlignment;
IntPrefAlignment = IntABIAlignment;
LongPrefAlignment = LongABIAlignment;
LongPrefAlignment = 8;
FloatPrefAlignment = FloatABIAlignment;
DoublePrefAlignment = DoubleABIAlignment;
DoublePrefAlignment = 8;
PointerPrefAlignment = PointerABIAlignment;
AggMinPrefAlignment = 0;
@ -188,6 +188,13 @@ void TargetData::init(const std::string &TargetDescription) {
break;
}
}
// Unless explicitly specified, the alignments for longs and doubles is capped by
// pointer size.
if (LongABIAlignment == 0)
LongABIAlignment = LongPrefAlignment = PointerMemSize;
if (DoubleABIAlignment == 0)
DoubleABIAlignment = DoublePrefAlignment = PointerMemSize;
}
TargetData::TargetData(const Module *M) {