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authorAmara Emerson <amara.emerson@arm.com>2012-11-08 09:51:45 +0000
committerAmara Emerson <amara.emerson@arm.com>2012-11-08 09:51:45 +0000
commitec2cd5670840e2b9d6165c494a632087c75e31a0 (patch)
tree6d3226327fd41ebb5288b516e8f8d264ce5f6203 /llvm/lib/Target/ARM
parent73cffddb957d92a675d67821da72aaa423306681 (diff)
downloadbcm5719-llvm-ec2cd5670840e2b9d6165c494a632087c75e31a0.tar.gz
bcm5719-llvm-ec2cd5670840e2b9d6165c494a632087c75e31a0.zip
Recommit modified r167540.
Improve ARM build attribute emission for architectures types. This also changes the default architecture emitted for a generic CPU to "v7". llvm-svn: 167574
Diffstat (limited to 'llvm/lib/Target/ARM')
-rw-r--r--llvm/lib/Target/ARM/ARMAsmPrinter.cpp23
1 files changed, 19 insertions, 4 deletions
diff --git a/llvm/lib/Target/ARM/ARMAsmPrinter.cpp b/llvm/lib/Target/ARM/ARMAsmPrinter.cpp
index 437d8e477f9..8e55a44c56d 100644
--- a/llvm/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/llvm/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -749,13 +749,28 @@ 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);
if (Subtarget->hasNEON() && emitFPU) {
/* NEON is not exactly a VFP architecture, but GAS emit one of
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