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[kvm-unit-tests,PULL,3/4] Make the powerpc tests compilable with GCC 8

Message ID 1530007279-26545-4-git-send-email-thuth@redhat.com
State Accepted
Headers show
Series [kvm-unit-tests,PULL,1/4] s390x: Report missing facilities as "skip", not as "expected failure" | expand

Commit Message

Thomas Huth June 26, 2018, 10:01 a.m. UTC 
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(-)
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Patch

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