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Change ARM data layout strings to match llvm-gcc. 

Sandeep Patel noticed that the alignment was wrong for Neon vector types,
and this change is partly derived from his patch.  For the APCS ABI, however,
additional changes were required: the maximum ABI alignment is 32 bits and
the preferred alignment for i64 and f64 types should be 64 bits.

llvm-svn: 128825
This commit is contained in:
Bob Wilson 2011-04-04 16:53:11 +00:00
parent c94780c539
commit e3a15fed08
1 changed files with 5 additions and 5 deletions
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10
clang/lib/Basic/Targets.cpp
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@ -1731,11 +1731,11 @@ public:
if (IsThumb) {
DescriptionString = ("e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-"
"v64:64:64-v128:128:128-a0:0:32-n32");
"v64:64:64-v128:64:128-a0:0:32-n32");
} else {
DescriptionString = ("e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:64:64-f32:32:32-f64:64:64-"
"v64:64:64-v128:128:128-a0:0:64-n32");
"v64:64:64-v128:64:128-a0:0:64-n32");
}
// ARM targets default to using the ARM C++ ABI.
@ -1760,11 +1760,11 @@ public:
if (IsThumb) {
DescriptionString = ("e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-"
"i64:32:32-f32:32:32-f64:32:32-"
"v64:64:64-v128:128:128-a0:0:32-n32");
"v64:32:64-v128:32:128-a0:0:32-n32");
} else {
DescriptionString = ("e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
"i64:32:32-f32:32:32-f64:32:32-"
"v64:64:64-v128:128:128-a0:0:64-n32");
"i64:32:64-f32:32:32-f64:32:64-"
"v64:32:64-v128:32:128-a0:0:32-n32");
}
// FIXME: Override "preferred align" for double and long long.