Work around spurious BLAS3 test errors on LOONGSON3R3/4 (#4667)

Force compilation with gfortran to use O0 on older Loongson hardware to avoid spurious test failures
OpenMathLib · Apr 30, 2024 · edacf9b · edacf9b
1 parent 89e3fd0
commit edacf9b
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Showing 2 changed files with 6 additions and 0 deletions.
diff --git a/ctest/Makefile b/ctest/Makefile
@@ -25,6 +25,9 @@ endif
 
 override CFLAGS += -DADD$(BU) -DCBLAS
 ifeq ($(F_COMPILER),GFORTRAN)
+ifneq (, $(filter $(CORE),LOONGSON3R3 LOONGSON3R4))
+	override FFLAGS = $(filter_out(-O2 -O3,$(FFLAGS)) -O0
+endif
 	override FFLAGS += -fno-tree-vectorize
 endif
 override TARGET_ARCH=

diff --git a/test/Makefile b/test/Makefile
@@ -1,6 +1,9 @@
 TOPDIR	= ..
 include ../Makefile.system
 ifeq ($(F_COMPILER),GFORTRAN)
+ifneq (, $(filter $(CORE),LOONGSON3R3 LOONGSON3R4))
+	override FFLAGS = $(filter_out(-O2 -O3,$(FFLAGS)) -O0
+endif
         override FFLAGS += -fno-tree-vectorize
 endif