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[mips][mips64r6] Define _MIPS_FPSET, __mips_fpr, and __mips_nan2008 correctly on MIPS32r6/MIPS64r6

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Summary:
This removes the need to pass -mnan=2008 explicitly to be able to compile
the test-suite for MIPS32r6/MIPS64r6.

Differential Revision: http://reviews.llvm.org/D4433

llvm-svn: 212619
This commit is contained in:
Daniel Sanders 2014-07-09 13:56:23 +00:00
parent cfbb71dfb6
commit 9500d2d751
2 changed files with 22 additions and 2 deletions
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14
clang/lib/Basic/Targets.cpp
View File

@ -5297,6 +5297,14 @@ public:
IsNan2008(false), IsSingleFloat(false), FloatABI(HardFloat),
DspRev(NoDSP), HasMSA(false), HasFP64(false), ABI(ABIStr) {}
bool isNaN2008Default() const {
return CPU == "mips32r6" || CPU == "mips64r6";
}
bool isFP64Default() const {
return CPU == "mips32r6" || ABI == "n32" || ABI == "n64" || ABI == "64";
}
StringRef getABI() const override { return ABI; }
bool setCPU(const std::string &Name) override {
bool IsMips32 = getTriple().getArch() == llvm::Triple::mips ||
@ -5467,11 +5475,11 @@ public:
DiagnosticsEngine &Diags) override {
IsMips16 = false;
IsMicromips = false;
IsNan2008 = false;
IsNan2008 = isNaN2008Default();
IsSingleFloat = false;
FloatABI = HardFloat;
DspRev = NoDSP;
HasFP64 = ABI == "n32" || ABI == "n64" || ABI == "64";
HasFP64 = isFP64Default();
for (std::vector<std::string>::iterator it = Features.begin(),
ie = Features.end(); it != ie; ++it) {
@ -5495,6 +5503,8 @@ public:
HasFP64 = false;
else if (*it == "+nan2008")
IsNan2008 = true;
else if (*it == "-nan2008")
IsNan2008 = false;
}
// Remove front-end specific options.

10
clang/test/Preprocessor/init.c
View File

@ -2864,6 +2864,16 @@
// MIPS64-NOMFP64:#define _MIPS_FPSET 32
// MIPS64-NOMFP64:#define __mips_fpr 32
//
// RUN: %clang_cc1 -target-cpu mips32r6 \
// RUN: -E -dM -triple=mips-none-none < /dev/null \
// RUN: | FileCheck -check-prefix MIPS-XXR6 %s
// RUN: %clang_cc1 -target-cpu mips64r6 \
// RUN: -E -dM -triple=mips64-none-none < /dev/null \
// RUN: | FileCheck -check-prefix MIPS-XXR6 %s
// MIPS-XXR6:#define _MIPS_FPSET 32
// MIPS-XXR6:#define __mips_fpr 64
// MIPS-XXR6:#define __mips_nan2008 1
//
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=msp430-none-none < /dev/null | FileCheck -check-prefix MSP430 %s
//
// MSP430:#define MSP430 1