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Split setABI in two helpers. No functionality change. 

llvm-svn: 197603
This commit is contained in:
Rafael Espindola 2013-12-18 19:47:32 +00:00
parent 2192874714
commit d6c2b720ae
1 changed files with 50 additions and 44 deletions
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94
clang/lib/Basic/Targets.cpp
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@ -3677,6 +3677,48 @@ class ARMTargetInfo : public TargetInfo {
return Version >= 7;
}
void setABIAAPCS() {
// FIXME: Enumerated types are variable width in straight AAPCS.
// size_t is unsigned long on Darwin.
if (getTriple().isOSDarwin())
SizeType = UnsignedLong;
IsAAPCS = true;
}
void setABIAPCS() {
DoubleAlign = LongLongAlign = LongDoubleAlign = SuitableAlign = 32;
// size_t is unsigned int on FreeBSD.
if (getTriple().getOS() != llvm::Triple::FreeBSD)
SizeType = UnsignedLong;
// Revert to using SignedInt on apcs-gnu to comply with existing behaviour.
WCharType = SignedInt;
// Do not respect the alignment of bit-field types when laying out
// structures. This corresponds to PCC_BITFIELD_TYPE_MATTERS in gcc.
UseBitFieldTypeAlignment = false;
/// gcc forces the alignment to 4 bytes, regardless of the type of the
/// zero length bitfield. This corresponds to EMPTY_FIELD_BOUNDARY in
/// gcc.
ZeroLengthBitfieldBoundary = 32;
IsAAPCS = false;
if (IsThumb) {
// Thumb1 add sp, #imm requires the immediate value be multiple of 4,
// so set preferred for small types to 32.
DescriptionString = "e-p:32:32-i1:8:32-i8:8:32-i16:16:32-f64:32:64"
"-v64:32:64-v128:32:128-a:0:32-n32-S32";
} else {
DescriptionString =
"e-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32";
}
// FIXME: Override "preferred align" for double and long long.
}
public:
ARMTargetInfo(const llvm::Triple &Triple)
: TargetInfo(Triple), ABI("aapcs-linux"), CPU("arm1136j-s"),
@ -3737,50 +3779,14 @@ public:
// FIXME: We need support for -meabi... we could just mangle it into the
// name.
if (Name == "apcs-gnu") {
DoubleAlign = LongLongAlign = LongDoubleAlign = SuitableAlign = 32;
// size_t is unsigned int on FreeBSD.
if (getTriple().getOS() != llvm::Triple::FreeBSD)
SizeType = UnsignedLong;
// Revert to using SignedInt on apcs-gnu to comply with existing behaviour.
WCharType = SignedInt;
// Do not respect the alignment of bit-field types when laying out
// structures. This corresponds to PCC_BITFIELD_TYPE_MATTERS in gcc.
UseBitFieldTypeAlignment = false;
/// gcc forces the alignment to 4 bytes, regardless of the type of the
/// zero length bitfield. This corresponds to EMPTY_FIELD_BOUNDARY in
/// gcc.
ZeroLengthBitfieldBoundary = 32;
IsAAPCS = false;
if (IsThumb) {
// Thumb1 add sp, #imm requires the immediate value be multiple of 4,
// so set preferred for small types to 32.
DescriptionString = ("e-p:32:32-i1:8:32-i8:8:32-i16:16:32"
"-f64:32:64"
"-v64:32:64-v128:32:128-a:0:32-n32-S32");
} else {
DescriptionString = ("e-p:32:32"
"-f64:32:64"
"-v64:32:64-v128:32:128-a:0:32-n32-S32");
}
// FIXME: Override "preferred align" for double and long long.
} else if (Name == "aapcs" || Name == "aapcs-vfp") {
// size_t is unsigned long on Darwin.
if (getTriple().isOSDarwin())
SizeType = UnsignedLong;
IsAAPCS = true;
// FIXME: Enumerated types are variable width in straight AAPCS.
} else if (Name == "aapcs-linux") {
IsAAPCS = true;
} else
return false;
return true;
setABIAPCS();
return true;
}
if (Name == "aapcs" || Name == "aapcs-vfp" || Name == "aapcs-linux") {
setABIAAPCS();
return true;
}
return false;
}
void getDefaultFeatures(llvm::StringMap<bool> &Features) const {