[PATCH] D12633: Implement ACLE 2.0 macros of chapters 6.6 and 6.7 for [ARM] and [Aarch64] targets

Tim Northover via cfe-commits cfe-commits at lists.llvm.org
Thu Sep 24 11:13:41 PDT 2015


On 24 September 2015 at 07:53, Alexandros Lamprineas
<alexandros.lamprineas at arm.com> wrote:
> @t.p.northover I think we should not be defining _ARM_FP_FENV_ROUNDING on neither of ARM and AArch64 targets since "-frounding-math" is not available on clang: clang/llvm don't support C99 FP rounding mode pragmas (FENV_ACCESS etc) <https://llvm.org/bugs/show_bug.cgi?id=8100>

Ah, that constant folding is definitely a problem. Changing it sounds
reasonable.

Tim.


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