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Merge pull request #3030 from yandex/fix-internal-compiler

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Attempt to fix internal compiler [#CLICKHOUSE-2]
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alexey-milovidov 2018-09-04 17:05:56 +03:00 committed by GitHub
commit 939949730d
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3 changed files with 13 additions and 16 deletions
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15
CMakeLists.txt
View File

@ -180,21 +180,6 @@ if (OS_LINUX AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
endif ()
endif ()
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
# If we leave this optimization enabled, gcc-7 replaces a pair of SSE intrinsics (16 byte load, store) with a call to memcpy. It leads to slow code. This is compiler bug.
# It looks like this:
#
# (gdb) bt
#0 memcpy (destination=0x7faa6e9f1638, source=0x7faa81d9e9a8, size=16) at ../libs/libmemcpy/memcpy.h:11
#1 0x0000000005341c5f in _mm_storeu_si128 (__B=..., __P=<optimized out>) at /usr/lib/gcc/x86_64-linux-gnu/7/include/emmintrin.h:720
#2 memcpySmallAllowReadWriteOverflow15Impl (n=<optimized out>, src=<optimized out>, dst=<optimized out>) at ../dbms/src/Common/memcpySmall.h:37
#3 memcpySmallAllowReadWriteOverflow15 (n=<optimized out>, src=<optimized out>, dst=<optimized out>) at ../dbms/src/Common/memcpySmall.h:52
#4 extractKeysAndPlaceInPoolContiguous (pool=..., keys=..., key_columns=..., keys_size=<optimized out>, i=<optimized out>) at ../dbms/src/Interpreters/AggregationCommon.h:262
set (CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -fno-tree-loop-distribute-patterns")
set (CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -fno-tree-loop-distribute-patterns")
endif ()
if (USE_STATIC_LIBRARIES AND HAVE_NO_PIE)
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAG_NO_PIE}")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${FLAG_NO_PIE}")

12
dbms/CMakeLists.txt
View File

@ -41,6 +41,18 @@ if (USE_DEBUG_HELPERS)
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -include ${ClickHouse_SOURCE_DIR}/libs/libcommon/include/common/iostream_debug_helpers.h")
endif ()
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
# If we leave this optimization enabled, gcc-7 replaces a pair of SSE intrinsics (16 byte load, store) with a call to memcpy.
# It leads to slow code. This is compiler bug. It looks like this:
#
# (gdb) bt
#0 memcpy (destination=0x7faa6e9f1638, source=0x7faa81d9e9a8, size=16) at ../libs/libmemcpy/memcpy.h:11
#1 0x0000000005341c5f in _mm_storeu_si128 (__B=..., __P=<optimized out>) at /usr/lib/gcc/x86_64-linux-gnu/7/include/emmintrin.h:720
#2 memcpySmallAllowReadWriteOverflow15Impl (n=<optimized out>, src=<optimized out>, dst=<optimized out>) at ../dbms/src/Common/memcpySmall.h:37
add_definitions ("-fno-tree-loop-distribute-patterns")
endif ()
find_package (Threads)
add_subdirectory (src)

2
dbms/tests/queries/0_stateless/00281_compile_sizeof_packed.sql
View File

@ -1,2 +1,2 @@
SET compile = 1, min_count_to_compile = 0, max_threads = 1;
SET compile = 1, min_count_to_compile = 0, max_threads = 1, send_logs_level = 'none';
SELECT arrayJoin([1, 2, 1]) AS UserID, argMax('Hello', today()) AS res GROUP BY UserID;