[PATCH] D12937: [ARM] Handle +t2dsp feature as an ArchExtKind in ARMTargetParser.def

[Richard Barton via llvm-commits]

richard.barton.arm added inline comments.

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Comment at: include/llvm/Support/ARMTargetParser.def:76
@@ -75,3 +75,3 @@
 ARM_ARCH("armv6zk", AK_ARMV6ZK, "6ZK", "v6zk", ARMBuildAttrs::CPUArch::v6KZ,
-          AEK_SEC)
+          AEK_DSP)
 ARM_ARCH("armv6-m", AK_ARMV6M, "6-M", "v6m", ARMBuildAttrs::CPUArch::v6_M,
----------------
tyomitch wrote:
> richard.barton.arm wrote:
> > Are these two lines right? The Z part of ARMv6Z means security, so I think the value should be (AEK_SEC | AEK_DSP) no?
> You're certainly right; but these two AEK_SEC were, in fact, no-ops: in the only place where LLVM checks for AEK_SEC, it also checks for Feature_HasV7, accompanied with a "// FIXME: Also available in ARMv6-K"
> 
> I'm tempted to leave this as is now, given that reinstating the AEK_SEC would be a NFC with no obvious gain.
That FIXME is wrong isn't it? Should be ARMv6Z. Seems like we would want to remove a FIXME that we can now remove.


http://reviews.llvm.org/D12937