diff options
| author |  mtklein <mtklein@google.com> | 2016-02-09 15:10:56 -0800 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2016-02-09 15:10:56 -0800 |
| commit | c023210893da7ca407bad8c9f07c8339ee81854c (patch) | |
| tree | 27642e946e5e1aa41eeaf5269d63bcedce45d715 /src/opts/SkNx_sse.h | |
| parent | 46cb6d6b82b0ab71033aef91419e8beae25bb8a4 (diff) | |
Revert of Sk4f: add floor() (patchset #3 id:40001 of https://codereview.chromium.org/1685773002/ )
Reason for revert:
build break must be this, right?
Original issue's description:
> Sk4f: add floor()
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1685773002
> CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
>
> Committed: https://skia.googlesource.com/skia/+/86c6c4935171a1d2d6a9ffbff37ec6dac1326614
TBR=herb@google.com,mtklein@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
Review URL: https://codereview.chromium.org/1679343004
Diffstat (limited to 'src/opts/SkNx_sse.h')
| -rw-r--r-- | src/opts/SkNx_sse.h | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/src/opts/SkNx_sse.h b/src/opts/SkNx_sse.h index def7ba1719..889253b9d8 100644 --- a/src/opts/SkNx_sse.h +++ b/src/opts/SkNx_sse.h @@ -13,17 +13,6 @@ #define SKNX_IS_FAST -// SSE 4.1 has _mm_floor_ps to floor 4 floats. We emulate it: -// - round by adding (1<<23) with our sign, then subtracting it; -// - if that rounded value is bigger than our input, subtract 1. -static inline __m128 sse2_mm_floor_ps(__m128 v) { - __m128 sign = _mm_and_ps(v, _mm_set1_ps(-0.0f)); - __m128 bias = _mm_or_ps(sign, _mm_set1_ps(1<<23)); - __m128 rounded = _mm_sub_ps(_mm_add_ps(v, bias), bias); - __m128 too_big = _mm_cmpgt_ps(rounded, v); - return _mm_sub_ps(rounded, _mm_and_ps(too_big, _mm_set1_ps(1.0f))); -} - template <> class SkNx<2, float> { public: @@ -103,7 +92,6 @@ public: static SkNx Max(const SkNx& l, const SkNx& r) { return _mm_max_ps(l.fVec, r.fVec); } SkNx abs() const { return _mm_andnot_ps(_mm_set1_ps(-0.0f), fVec); } - SkNx floor() const { return sse2_mm_floor_ps(fVec); } SkNx sqrt () const { return _mm_sqrt_ps (fVec); } SkNx rsqrt0() const { return _mm_rsqrt_ps(fVec); } |