parent
65058cdc67
commit
1d9acb4d8b
@ -0,0 +1,54 @@
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Upstream-Status: Submitted
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GCC aarch64 build fix [this is actually a libvpx patch, not a Chromium one]
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Sent to: https://chromium-review.googlesource.com/c/webm/libvpx/+/1136449
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Signed-off-by: Raphael Kubo da Costa <raphael.kubo.da.costa@intel.com>
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---
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From c20bd394f18c47bf133b51d6a40399273c3f24e0 Mon Sep 17 00:00:00 2001
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From: Raphael Kubo da Costa <raphael.kubo.da.costa@intel.com>
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Date: Fri, 13 Jul 2018 14:29:09 +0200
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Subject: [PATCH] vpx_sum_squares_2d_i16_neon(): Make |s2| a uint64x1_t.
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This fixes the build with at least GCC 7.3, where it was previously failing
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with:
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../../third_party/libvpx/source/libvpx/vpx_dsp/arm/sum_squares_neon.c: In function 'vpx_sum_squares_2d_i16_neon':
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../../third_party/libvpx/source/libvpx/vpx_dsp/arm/sum_squares_neon.c:34:5: note: use -flax-vector-conversions to permit conversions between vectors with differing element types or numbers of subparts
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s2 = vpaddl_u32(s1);
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^~
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../../third_party/libvpx/source/libvpx/vpx_dsp/arm/sum_squares_neon.c:34:8: error: incompatible types when assigning to type 'int64x1_t' from type 'uint64x1_t'
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s2 = vpaddl_u32(s1);
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^
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../../third_party/libvpx/source/libvpx/vpx_dsp/arm/sum_squares_neon.c:81:8: error: incompatible types when assigning to type 'int64x1_t' from type 'uint64x1_t'
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s2 = vadd_u64(vget_low_u64(s1), vget_high_u64(s1));
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^
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../../third_party/libvpx/source/libvpx/vpx_dsp/arm/sum_squares_neon.c:84:24: error: incompatible type for argument 1 of 'vget_lane_u64'
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return vget_lane_u64(s2, 0);
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^~
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The generated assembly was verified to remain identical with both GCC and
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LLVM.
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Change-Id: I2778428ee1fee0a674d0d4910347c2a717de21ac
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---
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vpx_dsp/arm/sum_squares_neon.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/vpx_dsp/arm/sum_squares_neon.c b/vpx_dsp/arm/sum_squares_neon.c
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index 8942ba83b..cfefad993 100644
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--- a/third_party/libvpx/source/libvpx/vpx_dsp/arm/sum_squares_neon.c
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+++ b/third_party/libvpx/source/libvpx/vpx_dsp/arm/sum_squares_neon.c
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@@ -14,7 +14,7 @@
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#include "./vpx_dsp_rtcd.h"
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uint64_t vpx_sum_squares_2d_i16_neon(const int16_t *src, int stride, int size) {
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- int64x1_t s2;
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+ uint64x1_t s2;
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if (size == 4) {
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int16x4_t s[4];
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--
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2.14.4
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