[PATCH] D14982: ARM v8.1a adds Advanced SIMD instructions for Rounding Double Multiply Add/Subtract.

[Alexandros Lamprineas via cfe-commits]

labrinea created this revision.
labrinea added reviewers: jmolloy, rengolin, cfe-commits.
Herald added subscribers: rengolin, aemerson.

The following instructions are added to AArch32 instruction set:
  - VQRDMLAH: Vector Saturating Rounding Doubling Multiply Accumulate Retu   ing High Half
  - VQRDMLSH: Vector Saturating Rounding Doubling Multiply Subtract Returning High Half
    
The following instructions are added to AArch64 instruction set:
  - SQRDMLAH: Signed Saturating Rounding Doubling Multiply Accumulate Returning High Half
  - SQRDMLSH: Signed Saturating Rounding Doubling Multiply Subtract Returning High Half
    
This patch adds intrinsic and ACLE macro support for these instructions, as well as corresponding tests.

http://reviews.llvm.org/D14982

Files:
  include/clang/Basic/arm_neon.td
  lib/Basic/Targets.cpp
  test/CodeGen/aarch64-neon-2velem.c
  test/CodeGen/aarch64-neon-intrinsics.c
  test/CodeGen/aarch64-neon-scalar-x-indexed-elem.c
  test/CodeGen/arm_neon_intrinsics.c
  test/Preprocessor/aarch64-target-features.c
  test/Preprocessor/arm-target-features.c

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