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a751f5cd7c
- Change the default -march for i386 from i486 to i586. This avoids the need for libatomics and had been the defacto default for some time. [0] - Add -m(no)-spe to clang. (powerpc) - Deduce MIPS specific ELF header flags from `emulation`. (mips) - Fix a variety of assertions and compile/link errors including crashes with CPUTYPE=haswell. [1] - Switch back to https for downloads. [2] The new patches were initially committed to FreeBSD src by dim@. PR: 240918 [0], 240759 [1], 240870 [2] Reported by: jbeich [0,1], Miyashita Touka <imagin8r@protonmail.com> [2]
102 lines
4 KiB
Text
102 lines
4 KiB
Text
commit 053368e30489fc77ab06ee7954df3719af2548c2
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Author: dim <dim@FreeBSD.org>
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Date: Thu Sep 19 19:42:59 2019 +0000
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Pull in r371066 from upstream clang trunk (by Justin Hibbits):
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Add -m(no)-spe to clang
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Summary:
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r337347 added support for the Signal Processing Engine (SPE) to LLVM.
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This follows that up with the clang side.
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This adds -mspe and -mno-spe, to match GCC.
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Subscribers: nemanjai, kbarton, cfe-commits
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Differential Revision: https://reviews.llvm.org/D49754
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Notes:
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svn path=/projects/clang900-import/; revision=352539
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diff --git tools/clang/include/clang/Driver/Options.td tools/clang/include/clang/Driver/Options.td
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index 4ea8bfff0973..508d046dbb91 100644
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--- tools/clang/include/clang/Driver/Options.td
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+++ tools/clang/include/clang/Driver/Options.td
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@@ -2241,6 +2241,8 @@ def faltivec : Flag<["-"], "faltivec">, Group<f_Group>, Flags<[DriverOption]>;
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def fno_altivec : Flag<["-"], "fno-altivec">, Group<f_Group>, Flags<[DriverOption]>;
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def maltivec : Flag<["-"], "maltivec">, Group<m_ppc_Features_Group>;
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def mno_altivec : Flag<["-"], "mno-altivec">, Group<m_ppc_Features_Group>;
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+def mspe : Flag<["-"], "mspe">, Group<m_ppc_Features_Group>;
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+def mno_spe : Flag<["-"], "mno-spe">, Group<m_ppc_Features_Group>;
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def mvsx : Flag<["-"], "mvsx">, Group<m_ppc_Features_Group>;
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def mno_vsx : Flag<["-"], "mno-vsx">, Group<m_ppc_Features_Group>;
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def msecure_plt : Flag<["-"], "msecure-plt">, Group<m_ppc_Features_Group>;
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diff --git tools/clang/lib/Basic/Targets/PPC.cpp tools/clang/lib/Basic/Targets/PPC.cpp
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index 2a773d999286..a40991048873 100644
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--- tools/clang/lib/Basic/Targets/PPC.cpp
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+++ tools/clang/lib/Basic/Targets/PPC.cpp
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@@ -54,6 +54,10 @@ bool PPCTargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
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HasFloat128 = true;
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} else if (Feature == "+power9-vector") {
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HasP9Vector = true;
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+ } else if (Feature == "+spe") {
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+ HasSPE = true;
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+ LongDoubleWidth = LongDoubleAlign = 64;
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+ LongDoubleFormat = &llvm::APFloat::IEEEdouble();
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} else if (Feature == "-hard-float") {
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FloatABI = SoftFloat;
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}
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@@ -165,6 +169,10 @@ void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
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Builder.defineMacro("__VEC__", "10206");
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Builder.defineMacro("__ALTIVEC__");
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}
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+ if (HasSPE) {
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+ Builder.defineMacro("__SPE__");
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+ Builder.defineMacro("__NO_FPRS__");
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+ }
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if (HasVSX)
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Builder.defineMacro("__VSX__");
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if (HasP8Vector)
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@@ -203,7 +211,6 @@ void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
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// __CMODEL_LARGE__
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// _CALL_SYSV
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// _CALL_DARWIN
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- // __NO_FPRS__
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}
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// Handle explicit options being passed to the compiler here: if we've
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@@ -332,6 +339,7 @@ bool PPCTargetInfo::hasFeature(StringRef Feature) const {
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.Case("extdiv", HasExtDiv)
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.Case("float128", HasFloat128)
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.Case("power9-vector", HasP9Vector)
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+ .Case("spe", HasSPE)
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.Default(false);
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}
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diff --git tools/clang/lib/Basic/Targets/PPC.h tools/clang/lib/Basic/Targets/PPC.h
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index 6e5df097921b..6c6421c28e23 100644
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--- tools/clang/lib/Basic/Targets/PPC.h
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+++ tools/clang/lib/Basic/Targets/PPC.h
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@@ -66,6 +66,7 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public TargetInfo {
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bool HasBPERMD = false;
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bool HasExtDiv = false;
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bool HasP9Vector = false;
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+ bool HasSPE = false;
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protected:
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std::string ABI;
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diff --git tools/clang/lib/CodeGen/TargetInfo.cpp tools/clang/lib/CodeGen/TargetInfo.cpp
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index 1e1038dbfe95..81f40011f11c 100644
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--- tools/clang/lib/CodeGen/TargetInfo.cpp
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+++ tools/clang/lib/CodeGen/TargetInfo.cpp
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@@ -9716,7 +9716,8 @@ const TargetCodeGenInfo &CodeGenModule::getTargetCodeGenInfo() {
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case llvm::Triple::ppc:
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return SetCGInfo(
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- new PPC32TargetCodeGenInfo(Types, CodeGenOpts.FloatABI == "soft"));
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+ new PPC32TargetCodeGenInfo(Types, CodeGenOpts.FloatABI == "soft" ||
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+ getTarget().hasFeature("spe")));
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case llvm::Triple::ppc64:
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if (Triple.isOSBinFormatELF()) {
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PPC64_SVR4_ABIInfo::ABIKind Kind = PPC64_SVR4_ABIInfo::ELFv1;
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