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[AArch64] Remove unused variables in HalfRow_{16To8,16}_SME

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The HalfRow kernels assume that the fraction is exactly half, so there
is no need to calculate it.

No-Try: True
Change-Id: I2319d55ba99f202aa22c9693ec44c9891e7f72d5
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/6087914
Reviewed-by: Wan-Teh Chang <wtc@google.com>
Reviewed-by: Justin Green <greenjustin@google.com>
Commit-Queue: Mirko Bonadei <mbonadei@chromium.org>
This commit is contained in:
George Steed 2024-12-13 10:00:20 +00:00 committed by libyuv LUCI CQ
parent 7fd0bd197e
commit db5a71c528
1 changed files with 0 additions and 4 deletions
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4
source/row_sme.cc
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@ -805,8 +805,6 @@ __arm_locally_streaming static void HalfRow_16_SME(uint16_t* dst_ptr,
const uint16_t* src_ptr, const uint16_t* src_ptr,
ptrdiff_t src_stride, ptrdiff_t src_stride,
int width) { int width) {
int y1_fraction = 128;
int y0_fraction = 256 - y1_fraction;
const uint16_t* src_ptr1 = src_ptr + src_stride; const uint16_t* src_ptr1 = src_ptr + src_stride;
int vl; int vl;
@ -933,8 +931,6 @@ __arm_locally_streaming static void HalfRow_16To8_SME(uint8_t* dst_ptr,
ptrdiff_t src_stride, ptrdiff_t src_stride,
int scale, int scale,
int width) { int width) {
int y1_fraction = 128;
int y0_fraction = 256 - y1_fraction;
const uint16_t* src_ptr1 = src_ptr + src_stride; const uint16_t* src_ptr1 = src_ptr + src_stride;
// 15 - clz(scale), + 8 to shift result into the high half of the lane to // 15 - clz(scale), + 8 to shift result into the high half of the lane to