diff options
| author | Allan Sandfeld Jensen <allan.jensen@theqtcompany.com> | 2016-10-07 17:03:48 +0200 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2016-10-11 07:38:29 +0000 |
| commit | a6dc28486910bde21d6854c1a64caadb0f663e1c (patch) | |
| tree | df4e2b450a9280842c8c39103cef62d5d76b54f1 /src/gui/painting/qdrawhelper_neon.cpp | |
| parent | 17ac3b2c146d1f48b88dbdc09927ddc3dd3aef81 (diff) | |
Avoid auto-vectorization of epilogues of manual vectorization
Defines a structure that tells the compiler in no uncertain terms the
maximum number of times a loop can be run.
The reduces the size of qdrawhelper_avx2.o from 22kbytes to 11kbytes.
Change-Id: Ie3d6281b04b4be3332497c15f3dfe9f185e20507
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/gui/painting/qdrawhelper_neon.cpp')
| -rw-r--r-- | src/gui/painting/qdrawhelper_neon.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gui/painting/qdrawhelper_neon.cpp b/src/gui/painting/qdrawhelper_neon.cpp index f5b794ace6..d51b43961c 100644 --- a/src/gui/painting/qdrawhelper_neon.cpp +++ b/src/gui/painting/qdrawhelper_neon.cpp @@ -817,7 +817,7 @@ void QT_FASTCALL comp_func_solid_SourceOver_neon(uint *destPixels, int length, u vst1q_u32(&dst[x], colorPlusBlendedPixels); } - for (;x < length; ++x) + SIMD_EPILOGUE(x, length, 3) destPixels[x] = color + BYTE_MUL(destPixels[x], minusAlphaOfColor); } } @@ -869,7 +869,7 @@ void QT_FASTCALL comp_func_Plus_neon(uint *dst, const uint *src, int length, uin vst1q_u32((uint32_t *)&dst[x], vcombine_u32(result32_low, result32_high)); } - for (; x < length; ++x) + SIMD_EPILOGUE(x, length, 3) dst[x] = comp_func_Plus_one_pixel_const_alpha(dst[x], src[x], const_alpha, one_minus_const_alpha); } } |