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authorMatthew Wahab <matthew.wahab@arm.com>2015-11-27 13:19:50 +0000
committerMatthew Wahab <matthew.wahab@arm.com>2015-11-27 13:19:50 +0000
commit870181955b565b4fbbf4efcbec4a43d687703d1a (patch)
tree64698c0f1358be3aeb3425e653fd88389b79a8f2 /gprof/configure.ac
parentb6c30ffef9f060caec6122437595f9767612b48c (diff)
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[AArch64] Add feature flags and command line for ARMv8.2 FP16 support.
ARMv8.2 adds optional support for 16-bit operations to the FP and Adv.SIMD instructions. This patch adds a feature macro for this support with a new command line option "+fp16" to enable/disable it. Although the command line option is added as an architecture extension, it only affects instructions available with when +fp or +simd is enabled. If +fp16 is specified then it will also enable +fp. There are currently no FP16 instructions implemented in binutils, this patch is to enable subsequent work on supporting the extension. gas/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * config/tc-aarch64.c (aarch64_features): Add "fp16". * doc/c-aarch64.texi (Architecture Extensions): Add "fp16". include/opcode/ 2015-11-27 Matthew Wahab <matthew.wahab@arm.com> * aarch64.h (AARCH64_FEATURE_F16): New. (AARCH64_ARCH_V8_2): Add AARCH64_FEATURE_F16 to ARMv8.2 features. Change-Id: Id2021e0513946e16d0935c2a5b9605574cdff95a
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