[1] deprecated -mpower8-vector, resulting in:

    powerpc64-linux-gnu-gcc: warning: switch '-mpower8-vector' is no longer 
supported
    qemu/tests/tcg/ppc64/vsx_f2i_nan.c:4:15: error: expected ';' before 'float'
        4 | typedef vector float vsx_float32_vec_t;
          |               ^~~~~~

Use -mcpu=power8 instead. In order to properly verify that this works,
one needs a big-endian (the minimum supported CPU for 64-bit
little-endian is power8 anyway) GCC configured with --enable-checking
(see GCC commit e154242724b0 ("[RS6000] Don't pass -many to the
assembler").

[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109987

Signed-off-by: Ilya Leoshkevich <[email protected]>
---
v1: 
https://lore.kernel.org/qemu-devel/[email protected]/
v1 -> v2: Use -mcpu=power8 instead of -mvsx (Richard).

 tests/tcg/ppc64/Makefile.target | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/tests/tcg/ppc64/Makefile.target b/tests/tcg/ppc64/Makefile.target
index 1940886c737..0d058b26006 100644
--- a/tests/tcg/ppc64/Makefile.target
+++ b/tests/tcg/ppc64/Makefile.target
@@ -6,7 +6,7 @@ VPATH += $(SRC_PATH)/tests/tcg/ppc64
 
 config-cc.mak: Makefile
        $(quiet-@)( \
-           $(call cc-option,-mpower8-vector,   CROSS_CC_HAS_POWER8_VECTOR); \
+           $(call cc-option,-mcpu=power8,      CROSS_CC_HAS_CPU_POWER8); \
            $(call cc-option,-mpower10,         CROSS_CC_HAS_POWER10)) 3> 
config-cc.mak
 
 -include config-cc.mak
@@ -23,15 +23,15 @@ run-threadcount: threadcount
 run-plugin-threadcount-with-%:
        $(call skip-test, $<, "BROKEN (flaky with clang) ")
 
-ifneq ($(CROSS_CC_HAS_POWER8_VECTOR),)
+ifneq ($(CROSS_CC_HAS_CPU_POWER8),)
 PPC64_TESTS=bcdsub non_signalling_xscv
 endif
-$(PPC64_TESTS): CFLAGS += -mpower8-vector
+$(PPC64_TESTS): CFLAGS += -mcpu=power8
 
-ifneq ($(CROSS_CC_HAS_POWER8_VECTOR),)
+ifneq ($(CROSS_CC_HAS_CPU_POWER8),)
 PPC64_TESTS += vsx_f2i_nan
 endif
-vsx_f2i_nan: CFLAGS += -mpower8-vector -I$(SRC_PATH)/include
+vsx_f2i_nan: CFLAGS += -mcpu=power8 -I$(SRC_PATH)/include
 
 PPC64_TESTS += mtfsf
 PPC64_TESTS += mffsce
-- 
2.47.0


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