| commit | 33425ab8dbb03c355b2263b8250a1829e260d66f | [log] [tgz] |
|---|---|---|
| author | smasher164 <aindurti@gmail.com> | Wed Aug 29 20:57:33 2018 -0400 |
| committer | Keith Randall <khr@golang.org> | Mon Oct 21 16:24:15 2019 +0000 |
| tree | 0ae692f74a0848bec04af67c814f30562ea8d684 | |
| parent | 93a601dd2acc7401564eae59b5e6927da4146e22 [diff] |
cmd/compile: introduce generic ssa intrinsic for fused-multiply-add
In order to make math.FMA a compiler intrinsic for ISAs like ARM64,
PPC64[le], and S390X, a generic 3-argument opcode "Fma" is provided and
rewritten as
ARM64: (Fma x y z) -> (FMADDD z x y)
PPC64: (Fma x y z) -> (FMADD x y z)
S390X: (Fma x y z) -> (FMADD z x y)
Updates #25819.
Change-Id: Ie5bc628311e6feeb28ddf9adaa6e702c8c291efa
Reviewed-on: https://go-review.googlesource.com/c/go/+/131959
Run-TryBot: Akhil Indurti <aindurti@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
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