* [kvm-unit-tests PULL 3/4] Make the powerpc tests compilable with GCC 8
@ 2018-06-26 10:01 Thomas Huth
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From: Thomas Huth @ 2018-06-26 10:01 UTC (permalink / raw)
To: kvm-ppc
The new GCC 8.1 is optimizing the code with vector instructions.
However, we have not turned on the vector extension in our kvm-unit-test
code, so the tests crash when they hit such an instruction. Compile
the unit tests without vector extensions to avoid this problem.
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
powerpc/Makefile.common | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/powerpc/Makefile.common b/powerpc/Makefile.common
index 63dc166..81c5074 100644
--- a/powerpc/Makefile.common
+++ b/powerpc/Makefile.common
@@ -19,7 +19,7 @@ all: directories $(TEST_DIR)/boot_rom.bin $(tests-all)
CFLAGS += -std=gnu99
CFLAGS += -ffreestanding
-CFLAGS += -O2
+CFLAGS += -O2 -msoft-float -mabi=no-altivec -mno-altivec
CFLAGS += -I $(SRCDIR)/lib -I $(SRCDIR)/lib/libfdt -I lib
CFLAGS += -Wa,-mregnames
--
1.8.3.1
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2018-06-26 10:01 [kvm-unit-tests PULL 3/4] Make the powerpc tests compilable with GCC 8 Thomas Huth
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