target-mips: mark zero register as unused.

Suggested by Stuart Brady.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7107 c046a42c-6fe2-441c-8c8c-71466251a162

diff --git a/target-mips/translate.c b/target-mips/translate.c
index a83a45d..e9b20d1 100644 (file)
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -8497,6 +8497,7 @@ static void mips_tcg_init(void)
         return;
 
     cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
+    TCGV_UNUSED(cpu_gpr[0]);
     for (i = 1; i < 32; i++)
         cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0,
                                         offsetof(CPUState, active_tc.gpr[i]),