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[clang][Driver] Define soft float macros for PPC. #106012

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Sep 4, 2024
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19 changes: 14 additions & 5 deletions clang/lib/Basic/Targets/PPC.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,10 @@ bool PPCTargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
HasSPE = true;
LongDoubleWidth = LongDoubleAlign = 64;
LongDoubleFormat = &llvm::APFloat::IEEEdouble();
} else if (Feature == "+frsqrte") {
HasFrsqrte = true;
} else if (Feature == "+frsqrtes") {
HasFrsqrtes = true;
} else if (Feature == "-hard-float") {
FloatABI = SoftFloat;
} else if (Feature == "+paired-vector-memops") {
Expand Down Expand Up @@ -402,9 +406,18 @@ void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
Builder.defineMacro("__VEC__", "10206");
Builder.defineMacro("__ALTIVEC__");
}
if (HasSPE) {
if (HasSPE)
Builder.defineMacro("__SPE__");
if (HasSPE || FloatABI == SoftFloat)
Builder.defineMacro("__NO_FPRS__");
if (FloatABI == SoftFloat) {
Builder.defineMacro("_SOFT_FLOAT");
Builder.defineMacro("_SOFT_DOUBLE");
} else {
if (HasFrsqrte)
Builder.defineMacro("__RSQRTE__");
if (HasFrsqrtes)
Builder.defineMacro("__RSQRTEF__");
}
if (HasVSX)
Builder.defineMacro("__VSX__");
Expand Down Expand Up @@ -439,14 +452,10 @@ void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
// FIXME: The following are not yet generated here by Clang, but are
// generated by GCC:
//
// _SOFT_FLOAT_
// __RECIP_PRECISION__
// __APPLE_ALTIVEC__
// __RECIP__
// __RECIPF__
// __RSQRTE__
// __RSQRTEF__
// _SOFT_DOUBLE_
// __NO_LWSYNC__
// __CMODEL_MEDIUM__
// __CMODEL_LARGE__
Expand Down
2 changes: 2 additions & 0 deletions clang/lib/Basic/Targets/PPC.h
Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,8 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public TargetInfo {
bool HasExtDiv = false;
bool HasP9Vector = false;
bool HasSPE = false;
bool HasFrsqrte = false;
bool HasFrsqrtes = false;
bool PairedVectorMemops = false;
bool HasP10Vector = false;
bool HasPCRelativeMemops = false;
Expand Down
18 changes: 18 additions & 0 deletions clang/test/Preprocessor/init-ppc.c
Original file line number Diff line number Diff line change
Expand Up @@ -977,3 +977,21 @@

// RUN: %clang_cc1 -E -dM -triple=powerpc-unknown-openbsd -x c++ < /dev/null | FileCheck -match-full-lines -check-prefix PPC-OPENBSD-CXX %s
// PPC-OPENBSD-CXX: #define __STDCPP_DEFAULT_NEW_ALIGNMENT__ 16UL

// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-none-none < /dev/null | FileCheck -match-full-lines -check-prefix PPCPWR4-RSQRT %s
//
// PPCPWR4-RSQRT-NOT:#define __RSQRTEF__ 1
// PPCPWR4-RSQRT-NOT:#define __RSQRTE__ 1
//
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-none-none -target-feature +frsqrte -target-feature +frsqrtes < /dev/null | FileCheck -match-full-lines -check-prefix PPCPWR5-RSQRT %s
//
// PPCPWR5-RSQRT:#define __RSQRTEF__ 1
// PPCPWR5-RSQRT:#define __RSQRTE__ 1

// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-unknown-linux-gnu -target-feature -hard-float < /dev/null | FileCheck -match-full-lines -check-prefix PPC-SOFTFLT %s
//
// PPC-SOFTFLT:#define _SOFT_DOUBLE 1
// PPC-SOFTFLT:#define _SOFT_FLOAT 1
// PPC-SOFTFLT:#define __NO_FPRS__ 1
// PPC-SOFTFLT-NOT:#define __RSQRTE__ 1
// PPC-SOFTFLT-NOT:#define __RSQRTEF__ 1
18 changes: 18 additions & 0 deletions clang/test/Preprocessor/init-ppc64.c
Original file line number Diff line number Diff line change
Expand Up @@ -1110,3 +1110,21 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64-unknown-freebsd < /dev/null | FileCheck -match-full-lines -check-prefix PPC64-FREEBSD %s
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64le-unknown-freebsd < /dev/null | FileCheck -match-full-lines -check-prefix PPC64-FREEBSD %s
// PPC64-FREEBSD-NOT: #define __LONG_DOUBLE_128__ 1

// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64-none-none < /dev/null | FileCheck -match-full-lines -check-prefix PPC64PWR4-RSQRT %s
//
// PPC64PWR4-RSQRT-NOT:#define __RSQRTEF__ 1
// PPC64PWR4-RSQRT-NOT:#define __RSQRTE__ 1
//
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64-none-none -target-feature +frsqrte -target-feature +frsqrtes < /dev/null | FileCheck -match-full-lines -check-prefix PPC64PWR5-RSQRT %s
//
// PPC64PWR5-RSQRT:#define __RSQRTEF__ 1
// PPC64PWR5-RSQRT:#define __RSQRTE__ 1

// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64-unknown-linux-gnu -target-feature -hard-float -xc /dev/null | FileCheck --check-prefix=PPC64-SOFTFLT %s
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64le-unknown-linux-gnu -target-feature -hard-float -xc /dev/null | FileCheck --check-prefix=PPC64-SOFTFLT %s
// PPC64-SOFTFLT:#define _SOFT_DOUBLE 1
// PPC64-SOFTFLT:#define _SOFT_FLOAT 1
// PPC64-SOFTFLT:#define __NO_FPRS__ 1
// PPC64-SOFTFLT-NOT:#define __RSQRTE__ 1
// PPC64-SOFTFLT-NOT:#define __RSQRTEF__ 1
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