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[llvm] [Triple] Support *t64 environments for Gentoo
Add a support for the new `*t64` triples that Gentoo is planning to use for its 32-bit platforms migrated to use 64-bit time_t. Given the supported 32-bit targets, the expected environments are `-gnut64`, `-gnueabit64` and `-gnueabihft64`.
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14 files changed

+84
-7
lines changed

14 files changed

+84
-7
lines changed

‎clang/lib/Basic/Targets/ARM.cpp‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -313,7 +313,9 @@ ARMTargetInfo::ARMTargetInfo(const llvm::Triple &Triple,
313313
switch (Triple.getEnvironment()) {
314314
case llvm::Triple::Android:
315315
case llvm::Triple::GNUEABI:
316+
case llvm::Triple::GNUEABIT64:
316317
case llvm::Triple::GNUEABIHF:
318+
case llvm::Triple::GNUEABIHFT64:
317319
case llvm::Triple::MuslEABI:
318320
case llvm::Triple::MuslEABIHF:
319321
case llvm::Triple::OpenHOS:

‎clang/lib/CodeGen/CodeGenModule.cpp‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -177,6 +177,7 @@ createTargetCodeGenInfo(CodeGenModule &CGM) {
177177
else if (CodeGenOpts.FloatABI == "hard" ||
178178
(CodeGenOpts.FloatABI != "soft" &&
179179
(Triple.getEnvironment() == llvm::Triple::GNUEABIHF ||
180+
Triple.getEnvironment() == llvm::Triple::GNUEABIHFT64 ||
180181
Triple.getEnvironment() == llvm::Triple::MuslEABIHF ||
181182
Triple.getEnvironment() == llvm::Triple::EABIHF)))
182183
Kind = ARMABIKind::AAPCS_VFP;

‎clang/lib/CodeGen/Targets/ARM.cpp‎

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -35,7 +35,9 @@ class ARMABIInfo : public ABIInfo {
3535
case llvm::Triple::EABI:
3636
case llvm::Triple::EABIHF:
3737
case llvm::Triple::GNUEABI:
38+
case llvm::Triple::GNUEABIT64:
3839
case llvm::Triple::GNUEABIHF:
40+
case llvm::Triple::GNUEABIHFT64:
3941
case llvm::Triple::MuslEABI:
4042
case llvm::Triple::MuslEABIHF:
4143
return true;
@@ -48,6 +50,7 @@ class ARMABIInfo : public ABIInfo {
4850
switch (getTarget().getTriple().getEnvironment()) {
4951
case llvm::Triple::EABIHF:
5052
case llvm::Triple::GNUEABIHF:
53+
case llvm::Triple::GNUEABIHFT64:
5154
case llvm::Triple::MuslEABIHF:
5255
return true;
5356
default:

‎clang/lib/Driver/Driver.cpp‎

Lines changed: 4 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -610,7 +610,8 @@ static llvm::Triple computeTargetTriple(const Driver &D,
610610
if (A->getOption().matches(options::OPT_m64) ||
611611
A->getOption().matches(options::OPT_maix64)) {
612612
AT = Target.get64BitArchVariant().getArch();
613-
if (Target.getEnvironment() == llvm::Triple::GNUX32)
613+
if (Target.getEnvironment() == llvm::Triple::GNUX32 ||
614+
Target.getEnvironment() == llvm::Triple::GNUT64)
614615
Target.setEnvironment(llvm::Triple::GNU);
615616
else if (Target.getEnvironment() == llvm::Triple::MuslX32)
616617
Target.setEnvironment(llvm::Triple::Musl);
@@ -673,6 +674,7 @@ static llvm::Triple computeTargetTriple(const Driver &D,
673674
} else if (ABIName == "n32") {
674675
Target = Target.get64BitArchVariant();
675676
if (Target.getEnvironment() == llvm::Triple::GNU ||
677+
Target.getEnvironment() == llvm::Triple::GNUT64 ||
676678
Target.getEnvironment() == llvm::Triple::GNUABI64)
677679
Target.setEnvironment(llvm::Triple::GNUABIN32);
678680
else if (Target.getEnvironment() == llvm::Triple::Musl ||
@@ -681,6 +683,7 @@ static llvm::Triple computeTargetTriple(const Driver &D,
681683
} else if (ABIName == "64") {
682684
Target = Target.get64BitArchVariant();
683685
if (Target.getEnvironment() == llvm::Triple::GNU ||
686+
Target.getEnvironment() == llvm::Triple::GNUT64 ||
684687
Target.getEnvironment() == llvm::Triple::GNUABIN32)
685688
Target.setEnvironment(llvm::Triple::GNUABI64);
686689
else if (Target.getEnvironment() == llvm::Triple::Musl ||

‎clang/lib/Driver/ToolChains/Arch/ARM.cpp‎

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -327,6 +327,11 @@ void arm::setFloatABIInTriple(const Driver &D, const ArgList &Args,
327327
Triple.setEnvironment(isHardFloat ? llvm::Triple::GNUEABIHF
328328
: llvm::Triple::GNUEABI);
329329
break;
330+
case llvm::Triple::GNUEABIT64:
331+
case llvm::Triple::GNUEABIHFT64:
332+
Triple.setEnvironment(isHardFloat ? llvm::Triple::GNUEABIHFT64
333+
: llvm::Triple::GNUEABIT64);
334+
break;
330335
case llvm::Triple::EABI:
331336
case llvm::Triple::EABIHF:
332337
Triple.setEnvironment(isHardFloat ? llvm::Triple::EABIHF
@@ -414,10 +419,12 @@ arm::FloatABI arm::getDefaultFloatABI(const llvm::Triple &Triple) {
414419
return FloatABI::Soft;
415420
switch (Triple.getEnvironment()) {
416421
case llvm::Triple::GNUEABIHF:
422+
case llvm::Triple::GNUEABIHFT64:
417423
case llvm::Triple::MuslEABIHF:
418424
case llvm::Triple::EABIHF:
419425
return FloatABI::Hard;
420426
case llvm::Triple::GNUEABI:
427+
case llvm::Triple::GNUEABIT64:
421428
case llvm::Triple::MuslEABI:
422429
case llvm::Triple::EABI:
423430
// EABI is always AAPCS, and if it was not marked 'hard', it's softfp

‎clang/lib/Driver/ToolChains/Gnu.cpp‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -2698,6 +2698,7 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
26982698
case llvm::Triple::thumb:
26992699
LibDirs.append(begin(ARMLibDirs), end(ARMLibDirs));
27002700
if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF ||
2701+
TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHFT64 ||
27012702
TargetTriple.getEnvironment() == llvm::Triple::MuslEABIHF ||
27022703
TargetTriple.getEnvironment() == llvm::Triple::EABIHF) {
27032704
TripleAliases.append(begin(ARMHFTriples), end(ARMHFTriples));
@@ -2709,6 +2710,7 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
27092710
case llvm::Triple::thumbeb:
27102711
LibDirs.append(begin(ARMebLibDirs), end(ARMebLibDirs));
27112712
if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF ||
2713+
TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHFT64 ||
27122714
TargetTriple.getEnvironment() == llvm::Triple::MuslEABIHF ||
27132715
TargetTriple.getEnvironment() == llvm::Triple::EABIHF) {
27142716
TripleAliases.append(begin(ARMebHFTriples), end(ARMebHFTriples));

‎clang/lib/Driver/ToolChains/Linux.cpp‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -511,6 +511,7 @@ std::string Linux::getDynamicLinker(const ArgList &Args) const {
511511
case llvm::Triple::thumbeb: {
512512
const bool HF =
513513
Triple.getEnvironment() == llvm::Triple::GNUEABIHF ||
514+
Triple.getEnvironment() == llvm::Triple::GNUEABIHFT64 ||
514515
tools::arm::getARMFloatABI(*this, Args) == tools::arm::FloatABI::Hard;
515516

516517
LibDir = "lib";

‎llvm/include/llvm/TargetParser/Triple.h‎

Lines changed: 18 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -244,10 +244,13 @@ class Triple {
244244
UnknownEnvironment,
245245

246246
GNU,
247+
GNUT64,
247248
GNUABIN32,
248249
GNUABI64,
249250
GNUEABI,
251+
GNUEABIT64,
250252
GNUEABIHF,
253+
GNUEABIHFT64,
251254
GNUF32,
252255
GNUF64,
253256
GNUSF,
@@ -608,11 +611,12 @@ class Triple {
608611

609612
bool isGNUEnvironment() const {
610613
EnvironmentType Env = getEnvironment();
611-
return Env == Triple::GNU || Env == Triple::GNUABIN32 ||
612-
Env == Triple::GNUABI64 || Env == Triple::GNUEABI ||
613-
Env == Triple::GNUEABIHF || Env == Triple::GNUF32 ||
614-
Env == Triple::GNUF64 || Env == Triple::GNUSF ||
615-
Env == Triple::GNUX32;
614+
return Env == Triple::GNU || Env == Triple::GNUT64 ||
615+
Env == Triple::GNUABIN32 || Env == Triple::GNUABI64 ||
616+
Env == Triple::GNUEABI || Env == Triple::GNUEABIT64 ||
617+
Env == Triple::GNUEABIHF || Env == Triple::GNUEABIHFT64 ||
618+
Env == Triple::GNUF32 || Env == Triple::GNUF64 ||
619+
Env == Triple::GNUSF || Env == Triple::GNUX32;
616620
}
617621

618622
/// Tests whether the OS is Haiku.
@@ -873,9 +877,11 @@ class Triple {
873877
return (isARM() || isThumb()) &&
874878
(getEnvironment() == Triple::EABI ||
875879
getEnvironment() == Triple::GNUEABI ||
880+
getEnvironment() == Triple::GNUEABIT64 ||
876881
getEnvironment() == Triple::MuslEABI ||
877882
getEnvironment() == Triple::EABIHF ||
878883
getEnvironment() == Triple::GNUEABIHF ||
884+
getEnvironment() == Triple::GNUEABIHFT64 ||
879885
getEnvironment() == Triple::OpenHOS ||
880886
getEnvironment() == Triple::MuslEABIHF || isAndroid()) &&
881887
isOSBinFormatELF();
@@ -1059,6 +1065,13 @@ class Triple {
10591065
return getArch() == Triple::bpfel || getArch() == Triple::bpfeb;
10601066
}
10611067

1068+
/// Tests if the target forces 64-bit time_t on a 32-bit architecture.
1069+
bool isTime64ABI() const {
1070+
EnvironmentType Env = getEnvironment();
1071+
return Env == Triple::GNUT64 || Env == Triple::GNUEABIT64 ||
1072+
Env == Triple::GNUEABIHFT64;
1073+
}
1074+
10621075
/// Tests whether the target supports comdat
10631076
bool supportsCOMDAT() const {
10641077
return !(isOSBinFormatMachO() || isOSBinFormatXCOFF() ||

‎llvm/lib/Target/ARM/ARMSubtarget.h‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -318,7 +318,9 @@ class ARMSubtarget : public ARMGenSubtargetInfo {
318318
}
319319
bool isTargetGNUAEABI() const {
320320
return (TargetTriple.getEnvironment() == Triple::GNUEABI ||
321-
TargetTriple.getEnvironment() == Triple::GNUEABIHF) &&
321+
TargetTriple.getEnvironment() == Triple::GNUEABIT64 ||
322+
TargetTriple.getEnvironment() == Triple::GNUEABIHF ||
323+
TargetTriple.getEnvironment() == Triple::GNUEABIHFT64) &&
322324
!isTargetDarwin() && !isTargetWindows();
323325
}
324326
bool isTargetMuslAEABI() const {

‎llvm/lib/Target/ARM/ARMTargetMachine.cpp‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -241,7 +241,9 @@ ARMBaseTargetMachine::ARMBaseTargetMachine(const Target &T, const Triple &TT,
241241
Options.EABIVersion == EABI::Unknown) {
242242
// musl is compatible with glibc with regard to EABI version
243243
if ((TargetTriple.getEnvironment() == Triple::GNUEABI ||
244+
TargetTriple.getEnvironment() == Triple::GNUEABIT64 ||
244245
TargetTriple.getEnvironment() == Triple::GNUEABIHF ||
246+
TargetTriple.getEnvironment() == Triple::GNUEABIHFT64 ||
245247
TargetTriple.getEnvironment() == Triple::MuslEABI ||
246248
TargetTriple.getEnvironment() == Triple::MuslEABIHF ||
247249
TargetTriple.getEnvironment() == Triple::OpenHOS) &&

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