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From: hongtao Liu <liuhongt@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-3485] x86: Add TARGET_AVX256_[MOVE|STORE]_BY_PIECES Date: Mon, 13 Sep 2021 11:56:09 +0000 (GMT) [thread overview] Message-ID: <20210913115609.52DB33858C60@sourceware.org> (raw) https://gcc.gnu.org/g:5b01bfeb8703c264ad402b77741f06f41d7fceac commit r12-3485-g5b01bfeb8703c264ad402b77741f06f41d7fceac Author: H.J. Lu <hjl.tools@gmail.com> Date: Thu Aug 26 05:31:50 2021 -0700 x86: Add TARGET_AVX256_[MOVE|STORE]_BY_PIECES 1. Add TARGET_AVX256_MOVE_BY_PIECES to perform move by-pieces operation with 256-bit AVX instructions. 2. Add TARGET_AVX256_STORE_BY_PIECES to perform move and store by-pieces operations with 256-bit AVX instructions. They are enabled only for Intel Alder Lake and Intel processors with AVX512. gcc/ PR target/101935 * config/i386/i386.h (TARGET_AVX256_MOVE_BY_PIECES): New. (TARGET_AVX256_STORE_BY_PIECES): Likewise. (MOVE_MAX): Check TARGET_AVX256_MOVE_BY_PIECES and TARGET_AVX256_STORE_BY_PIECES instead of TARGET_AVX256_SPLIT_UNALIGNED_LOAD and TARGET_AVX256_SPLIT_UNALIGNED_STORE. (STORE_MAX_PIECES): Check TARGET_AVX256_STORE_BY_PIECES instead of TARGET_AVX256_SPLIT_UNALIGNED_STORE. * config/i386/x86-tune.def (X86_TUNE_AVX256_MOVE_BY_PIECES): New. (X86_TUNE_AVX256_STORE_BY_PIECES): Likewise. gcc/testsuite/ PR target/101935 * g++.target/i386/pr80566-1.C: Add -mtune-ctrl=avx256_store_by_pieces. * gcc.target/i386/pr100865-4a.c: Likewise. * gcc.target/i386/pr100865-10a.c: Likewise. * gcc.target/i386/pr90773-20.c: Likewise. * gcc.target/i386/pr90773-21.c: Likewise. * gcc.target/i386/pr90773-22.c: Likewise. * gcc.target/i386/pr90773-23.c: Likewise. * g++.target/i386/pr80566-2.C: Add -mtune-ctrl=avx256_move_by_pieces. * gcc.target/i386/eh_return-1.c: Likewise. * gcc.target/i386/pr90773-26.c: Likewise. * gcc.target/i386/pieces-memcpy-12.c: Replace -mtune=haswell with -mtune-ctrl=avx256_move_by_pieces. * gcc.target/i386/pieces-memcpy-15.c: Likewise. * gcc.target/i386/pieces-memset-2.c: Replace -mtune=haswell with -mtune-ctrl=avx256_store_by_pieces. * gcc.target/i386/pieces-memset-5.c: Likewise. * gcc.target/i386/pieces-memset-11.c: Likewise. * gcc.target/i386/pieces-memset-14.c: Likewise. * gcc.target/i386/pieces-memset-20.c: Likewise. * gcc.target/i386/pieces-memset-23.c: Likewise. * gcc.target/i386/pieces-memset-29.c: Likewise. * gcc.target/i386/pieces-memset-30.c: Likewise. * gcc.target/i386/pieces-memset-33.c: Likewise. * gcc.target/i386/pieces-memset-34.c: Likewise. * gcc.target/i386/pieces-memset-44.c: Likewise. * gcc.target/i386/pieces-memset-37.c: Replace -mtune=generic with -mtune-ctrl=avx256_store_by_pieces. Diff: --- gcc/config/i386/i386.h | 10 +++++++--- gcc/config/i386/x86-tune.def | 11 +++++++++++ gcc/testsuite/g++.target/i386/pr80566-1.C | 2 +- gcc/testsuite/g++.target/i386/pr80566-2.C | 2 +- gcc/testsuite/gcc.target/i386/eh_return-1.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memcpy-12.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memcpy-15.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memset-11.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memset-14.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memset-2.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memset-20.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memset-23.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memset-29.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memset-30.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memset-33.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memset-34.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memset-37.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memset-44.c | 2 +- gcc/testsuite/gcc.target/i386/pieces-memset-5.c | 2 +- gcc/testsuite/gcc.target/i386/pr100865-10a.c | 2 +- gcc/testsuite/gcc.target/i386/pr100865-4a.c | 2 +- gcc/testsuite/gcc.target/i386/pr90773-20.c | 2 +- gcc/testsuite/gcc.target/i386/pr90773-21.c | 2 +- gcc/testsuite/gcc.target/i386/pr90773-22.c | 2 +- gcc/testsuite/gcc.target/i386/pr90773-23.c | 2 +- gcc/testsuite/gcc.target/i386/pr90773-26.c | 2 +- 26 files changed, 42 insertions(+), 27 deletions(-) diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index 73237b81cf8..e76bb55c080 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -403,6 +403,10 @@ extern unsigned char ix86_tune_features[X86_TUNE_LAST]; ix86_tune_features[X86_TUNE_AVOID_LEA_FOR_ADDR] #define TARGET_SOFTWARE_PREFETCHING_BENEFICIAL \ ix86_tune_features[X86_TUNE_SOFTWARE_PREFETCHING_BENEFICIAL] +#define TARGET_AVX256_MOVE_BY_PIECES \ + ix86_tune_features[X86_TUNE_AVX256_MOVE_BY_PIECES] +#define TARGET_AVX256_STORE_BY_PIECES \ + ix86_tune_features[X86_TUNE_AVX256_STORE_BY_PIECES] #define TARGET_AVX256_SPLIT_REGS \ ix86_tune_features[X86_TUNE_AVX256_SPLIT_REGS] #define TARGET_GENERAL_REGS_SSE_SPILL \ @@ -1793,8 +1797,8 @@ typedef struct ix86_args { ? 64 \ : ((TARGET_AVX \ && !TARGET_PREFER_AVX128 \ - && !TARGET_AVX256_SPLIT_UNALIGNED_LOAD \ - && !TARGET_AVX256_SPLIT_UNALIGNED_STORE) \ + && (TARGET_AVX256_MOVE_BY_PIECES \ + || TARGET_AVX256_STORE_BY_PIECES)) \ ? 32 \ : ((TARGET_SSE2 \ && TARGET_SSE_UNALIGNED_LOAD_OPTIMAL \ @@ -1811,7 +1815,7 @@ typedef struct ix86_args { ? 64 \ : ((TARGET_AVX \ && !TARGET_PREFER_AVX128 \ - && !TARGET_AVX256_SPLIT_UNALIGNED_STORE) \ + && TARGET_AVX256_STORE_BY_PIECES) \ ? 32 \ : ((TARGET_SSE2 \ && TARGET_SSE_UNALIGNED_STORE_OPTIMAL) \ diff --git a/gcc/config/i386/x86-tune.def b/gcc/config/i386/x86-tune.def index 8f55da89c92..2f221b1f8c9 100644 --- a/gcc/config/i386/x86-tune.def +++ b/gcc/config/i386/x86-tune.def @@ -484,6 +484,17 @@ DEF_TUNE (X86_TUNE_AVX128_OPTIMAL, "avx128_optimal", m_BDVER | m_BTVER2 instructions in the auto-vectorizer. */ DEF_TUNE (X86_TUNE_AVX256_OPTIMAL, "avx256_optimal", m_CORE_AVX512) +/* X86_TUNE_AVX256_MOVE_BY_PIECES: Optimize move_by_pieces with 256-bit + AVX instructions. */ +DEF_TUNE (X86_TUNE_AVX256_MOVE_BY_PIECES, "avx256_move_by_pieces", + m_ALDERLAKE | m_CORE_AVX512) + +/* X86_TUNE_AVX256_STORE_BY_PIECES: Optimize store_by_pieces with 256-bit + AVX instructions. */ +DEF_TUNE (X86_TUNE_AVX256_STORE_BY_PIECES, "avx256_store_by_pieces", + m_ALDERLAKE | m_CORE_AVX512) + +/*****************************************************************************/ /*****************************************************************************/ /* Historical relics: tuning flags that helps a specific old CPU designs */ /*****************************************************************************/ diff --git a/gcc/testsuite/g++.target/i386/pr80566-1.C b/gcc/testsuite/g++.target/i386/pr80566-1.C index 753f9740529..29da31d6bb6 100644 --- a/gcc/testsuite/g++.target/i386/pr80566-1.C +++ b/gcc/testsuite/g++.target/i386/pr80566-1.C @@ -1,5 +1,5 @@ // { dg-do compile } -// { dg-options "-O2 -march=haswell" } +// { dg-options "-O2 -march=haswell -mtune-ctrl=avx256_store_by_pieces" } #include <cstring> diff --git a/gcc/testsuite/g++.target/i386/pr80566-2.C b/gcc/testsuite/g++.target/i386/pr80566-2.C index 2a2e82d0a3a..9ffd2c8cadb 100644 --- a/gcc/testsuite/g++.target/i386/pr80566-2.C +++ b/gcc/testsuite/g++.target/i386/pr80566-2.C @@ -1,5 +1,5 @@ // { dg-do compile } -// { dg-options "-O2 -march=haswell" } +// { dg-options "-O2 -march=haswell -mtune-ctrl=avx256_move_by_pieces" } #include <cstring> diff --git a/gcc/testsuite/gcc.target/i386/eh_return-1.c b/gcc/testsuite/gcc.target/i386/eh_return-1.c index 671ba635e88..b21fd75fc93 100644 --- a/gcc/testsuite/gcc.target/i386/eh_return-1.c +++ b/gcc/testsuite/gcc.target/i386/eh_return-1.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -march=haswell -mno-avx512f" } */ +/* { dg-options "-O2 -march=haswell -mno-avx512f -mtune-ctrl=avx256_move_by_pieces" } */ struct _Unwind_Context { diff --git a/gcc/testsuite/gcc.target/i386/pieces-memcpy-12.c b/gcc/testsuite/gcc.target/i386/pieces-memcpy-12.c index f1432ebe517..8a82baff5f1 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memcpy-12.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memcpy-12.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune-ctrl=avx256_move_by_pieces" } */ extern char *dst, *src; diff --git a/gcc/testsuite/gcc.target/i386/pieces-memcpy-15.c b/gcc/testsuite/gcc.target/i386/pieces-memcpy-15.c index 695e8c3fa67..4fb94ce7bd5 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memcpy-15.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memcpy-15.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune-ctrl=avx256_move_by_pieces" } */ extern char *dst, *src; diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-11.c b/gcc/testsuite/gcc.target/i386/pieces-memset-11.c index 3fb9038b04f..3802eb7c147 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memset-11.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-11.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-14.c b/gcc/testsuite/gcc.target/i386/pieces-memset-14.c index 45ece482464..10bc085f83b 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memset-14.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-14.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-2.c b/gcc/testsuite/gcc.target/i386/pieces-memset-2.c index 649f344e8f6..4ebfc4df090 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memset-2.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-2.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-20.c b/gcc/testsuite/gcc.target/i386/pieces-memset-20.c index b8747e669e8..1dc4db180d3 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memset-20.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-20.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-23.c b/gcc/testsuite/gcc.target/i386/pieces-memset-23.c index a3b4ffc18e0..9232864024e 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memset-23.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-23.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-29.c b/gcc/testsuite/gcc.target/i386/pieces-memset-29.c index 650e6fe66a5..3b07a64e3f6 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memset-29.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-29.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-30.c b/gcc/testsuite/gcc.target/i386/pieces-memset-30.c index dcec2c700fc..59595e6d3c4 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memset-30.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-30.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=haswell" } */ +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-33.c b/gcc/testsuite/gcc.target/i386/pieces-memset-33.c index a87d1b80ae6..68646223b0e 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memset-33.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-33.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-34.c b/gcc/testsuite/gcc.target/i386/pieces-memset-34.c index 0c2f1ee6049..52a16a0292d 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memset-34.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-34.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=haswell" } */ +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-37.c b/gcc/testsuite/gcc.target/i386/pieces-memset-37.c index ec59497b116..fd09bd153ce 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memset-37.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-37.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune=generic" } */ +/* { dg-options "-O2 -mno-avx512f -mavx2 -mtune-ctrl=avx256_store_by_pieces" } */ void foo (int a1, int a2, int a3, int a4, int a5, int a6, int x, char *dst) diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-44.c b/gcc/testsuite/gcc.target/i386/pieces-memset-44.c index ecc31be1a34..5986f8e8b23 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memset-44.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-44.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pieces-memset-5.c b/gcc/testsuite/gcc.target/i386/pieces-memset-5.c index 3e95db5efef..e2379df71aa 100644 --- a/gcc/testsuite/gcc.target/i386/pieces-memset-5.c +++ b/gcc/testsuite/gcc.target/i386/pieces-memset-5.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -mno-avx2 -mavx -mtune=haswell" } */ +/* { dg-options "-O2 -mno-avx2 -mavx -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pr100865-10a.c b/gcc/testsuite/gcc.target/i386/pr100865-10a.c index 98b6dfb16f3..1d849a381c0 100644 --- a/gcc/testsuite/gcc.target/i386/pr100865-10a.c +++ b/gcc/testsuite/gcc.target/i386/pr100865-10a.c @@ -1,5 +1,5 @@ /* { dg-do compile { target int128 } } */ -/* { dg-options "-O3 -march=skylake" } */ +/* { dg-options "-O3 -march=skylake -mtune-ctrl=avx256_store_by_pieces" } */ extern __int128 array[16]; diff --git a/gcc/testsuite/gcc.target/i386/pr100865-4a.c b/gcc/testsuite/gcc.target/i386/pr100865-4a.c index 365487337ae..8609d1128b8 100644 --- a/gcc/testsuite/gcc.target/i386/pr100865-4a.c +++ b/gcc/testsuite/gcc.target/i386/pr100865-4a.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -march=skylake" } */ +/* { dg-options "-O2 -march=skylake -mtune-ctrl=avx256_store_by_pieces" } */ extern char array[64]; diff --git a/gcc/testsuite/gcc.target/i386/pr90773-20.c b/gcc/testsuite/gcc.target/i386/pr90773-20.c index e61e405f2b6..884a5502b59 100644 --- a/gcc/testsuite/gcc.target/i386/pr90773-20.c +++ b/gcc/testsuite/gcc.target/i386/pr90773-20.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -march=skylake" } */ +/* { dg-options "-O2 -march=skylake -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pr90773-21.c b/gcc/testsuite/gcc.target/i386/pr90773-21.c index 16ad17f3cbb..5bbb387a3ea 100644 --- a/gcc/testsuite/gcc.target/i386/pr90773-21.c +++ b/gcc/testsuite/gcc.target/i386/pr90773-21.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -march=skylake" } */ +/* { dg-options "-O2 -march=skylake -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pr90773-22.c b/gcc/testsuite/gcc.target/i386/pr90773-22.c index 45a8ff65a84..245a436b7eb 100644 --- a/gcc/testsuite/gcc.target/i386/pr90773-22.c +++ b/gcc/testsuite/gcc.target/i386/pr90773-22.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -march=skylake" } */ +/* { dg-options "-O2 -march=skylake -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pr90773-23.c b/gcc/testsuite/gcc.target/i386/pr90773-23.c index 9256ce10ff0..ca4a86f30b8 100644 --- a/gcc/testsuite/gcc.target/i386/pr90773-23.c +++ b/gcc/testsuite/gcc.target/i386/pr90773-23.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -march=skylake" } */ +/* { dg-options "-O2 -march=skylake -mtune-ctrl=avx256_store_by_pieces" } */ extern char *dst; diff --git a/gcc/testsuite/gcc.target/i386/pr90773-26.c b/gcc/testsuite/gcc.target/i386/pr90773-26.c index b2513c3a9c8..76fb79f2e20 100644 --- a/gcc/testsuite/gcc.target/i386/pr90773-26.c +++ b/gcc/testsuite/gcc.target/i386/pr90773-26.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -march=skylake" } */ +/* { dg-options "-O2 -march=skylake -mtune-ctrl=avx256_move_by_pieces" } */ struct S {
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