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| author | Amara Emerson <amara.emerson@arm.com> | 2012-11-07 18:01:03 +0000 |
|---|---|---|
| committer | Amara Emerson <amara.emerson@arm.com> | 2012-11-07 18:01:03 +0000 |
| commit | 6cb378cec5ee887d8cc57d67883f148b7c55f504 (patch) | |
| tree | 7378df720c1f7fb390853415ae500ea4d251c88a /llvm/lib/Target/ARM | |
| parent | 188dbef26df3901195869ff19273323d657e995f (diff) | |
| download | bcm5719-llvm-6cb378cec5ee887d8cc57d67883f148b7c55f504.tar.gz bcm5719-llvm-6cb378cec5ee887d8cc57d67883f148b7c55f504.zip | |
Improve ARM build attribute emission for architectures types.
This also changes the default architecture emitted for a generic CPU to "v7".
llvm-svn: 167540
Diffstat (limited to 'llvm/lib/Target/ARM')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMAsmPrinter.cpp | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/llvm/lib/Target/ARM/ARMAsmPrinter.cpp b/llvm/lib/Target/ARM/ARMAsmPrinter.cpp index 437d8e477f9..1d12b4fa4f9 100644 --- a/llvm/lib/Target/ARM/ARMAsmPrinter.cpp +++ b/llvm/lib/Target/ARM/ARMAsmPrinter.cpp @@ -749,13 +749,30 @@ void ARMAsmPrinter::emitAttributes() { AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use, ARMBuildAttrs::Allowed); } else if (CPUString == "generic") { - // FIXME: Why these defaults? - AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v4T); + // For a generic CPU, we assume a standard v7a architecture in Subtarget. + AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v7); + AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch_profile, + ARMBuildAttrs::ApplicationProfile); AttrEmitter->EmitAttribute(ARMBuildAttrs::ARM_ISA_use, ARMBuildAttrs::Allowed); AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use, - ARMBuildAttrs::Allowed); - } + ARMBuildAttrs::AllowThumb32); + } else if (Subtarget->hasV7Ops()) { + AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v7); + AttrEmitter->EmitAttribute(ARMBuildAttrs::THUMB_ISA_use, + ARMBuildAttrs::AllowThumb32); + } else if (Subtarget->hasV6T2Ops()) + AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v6T2); + else if (Subtarget->hasV6Ops()) + AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v6); + else if (Subtarget->hasV5TEOps()) + AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v5TE); + else if (Subtarget->hasV5TOps()) + AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v5T); + else if (Subtarget->hasV4TOps()) + AttrEmitter->EmitAttribute(ARMBuildAttrs::CPU_arch, ARMBuildAttrs::v4T); + else + llvm_unreachable("No target ARM architecture detected."); if (Subtarget->hasNEON() && emitFPU) { /* NEON is not exactly a VFP architecture, but GAS emit one of |
