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Merge pull request #3786 from martin-frbg/issue3784 

Disable the gfortran tree vectorizer for lapack-netlib
This commit is contained in:
Martin Kroeker 2022-10-13 18:34:28 +02:00 committed by GitHub
parent ab6009b0b6 32566bfb44
commit 11b2570c13
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 7 additions and 0 deletions
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4
Makefile
View File

@ -278,7 +278,11 @@ prof_lapack : lapack_prebuild
lapack_prebuild :
ifeq ($(NO_LAPACK), $(filter 0,$(NO_LAPACK)))
-@echo "FC = $(FC)" > $(NETLIB_LAPACK_DIR)/make.inc
ifeq ($(F_COMPILER), GFORTRAN)
-@echo "override FFLAGS = $(LAPACK_FFLAGS) -fno-tree-vectorize" >> $(NETLIB_LAPACK_DIR)/make.inc
else
-@echo "override FFLAGS = $(LAPACK_FFLAGS)" >> $(NETLIB_LAPACK_DIR)/make.inc
endif
-@echo "FFLAGS_DRV = $(LAPACK_FFLAGS)" >> $(NETLIB_LAPACK_DIR)/make.inc
-@echo "POPTS = $(LAPACK_FPFLAGS)" >> $(NETLIB_LAPACK_DIR)/make.inc
-@echo "FFLAGS_NOOPT = -O0 $(LAPACK_NOOPT)" >> $(NETLIB_LAPACK_DIR)/make.inc

3
cmake/lapack.cmake
View File

@ -999,6 +999,9 @@ endforeach ()
if (NOT C_LAPACK)
set_source_files_properties(${LA_SOURCES} PROPERTIES COMPILE_FLAGS "${LAPACK_FFLAGS}")
if (${F_COMPILER} STREQUAL "GFORTRAN")
set_source_files_properties(${LA_SOURCES} PROPERTIES COMPILE_FLAGS "${LAPACK_FFLAGS} -fno-tree-vectorize")
endif()
else ()
set_source_files_properties(${LA_SOURCES} PROPERTIES COMPILE_FLAGS "${LAPACK_CFLAGS}")
endif ()