[clang] [llvm] [ARM][Clang] Make `+nosimd` functional for AArch32 Targets (PR #130623)

[David Green via cfe-commits]

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@@ -334,8 +334,8 @@ ARM_CPU_NAME("cortex-r7", ARMV7R, FK_VFPV3_D16_FP16, false,
              (ARM::AEK_MP | ARM::AEK_HWDIVARM))
 ARM_CPU_NAME("cortex-r8", ARMV7R, FK_VFPV3_D16_FP16, false,
              (ARM::AEK_MP | ARM::AEK_HWDIVARM))
-ARM_CPU_NAME("cortex-r52", ARMV8R, FK_NEON_FP_ARMV8, false, ARM::AEK_NONE)
-ARM_CPU_NAME("cortex-r52plus", ARMV8R, FK_NEON_FP_ARMV8, false, ARM::AEK_NONE)
+ARM_CPU_NAME("cortex-r52", ARMV8R, FK_NEON_FP_ARMV8, false, ARM::AEK_SIMD)
+ARM_CPU_NAME("cortex-r52plus", ARMV8R, FK_NEON_FP_ARMV8, false, ARM::AEK_SIMD)
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davemgreen wrote:

Why are these two special-cased to include AEK_SIMD, unlike all the other cpus where it comes from FK_NEON_FP_ARMV8? Am I right in saying that removing it would not affect how the command line for -mcpu=cortex-r52 behaves? Or does it change the defaults in some way?

https://github.com/llvm/llvm-project/pull/130623