tests/tcg: correct target CPU for sparc32

We do not want v8plus for pure sparc32, as the difference with the V8 ABI
are only meaningful on 64-bit CPUs suh as ultrasparc; supersparc is the
best CPU to use for 32-bit.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220517092616.1272238-7-pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220527153603.887929-18-alex.bennee@linaro.org>

tests/tcg/configure.sh

@@ -70,7 +70,7 @@ fi
 : ${cross_cc_riscv64="riscv64-linux-gnu-gcc"}
 : ${cross_cc_s390x="s390x-linux-gnu-gcc"}
 : ${cross_cc_sh4="sh4-linux-gnu-gcc"}
-: ${cross_cc_cflags_sparc="-m32 -mv8plus -mcpu=ultrasparc"}
+: ${cross_cc_cflags_sparc="-m32 -mcpu=supersparc"}
 : ${cross_cc_sparc64="sparc64-linux-gnu-gcc"}
 : ${cross_cc_cflags_sparc64="-m64 -mcpu=ultrasparc"}
 : ${cross_cc_x86_64="x86_64-linux-gnu-gcc"}