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[Qemu-commits] [COMMIT d2e9fd8] Apply TCGV_UNUSED on variables that GCC


From: Anthony Liguori
Subject: [Qemu-commits] [COMMIT d2e9fd8] Apply TCGV_UNUSED on variables that GCC mistakenlythinks can be used
Date: Sat, 20 Jun 2009 01:54:56 -0000

From: malc <address@hidden>

uninitialized

diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index f60f99a..a14d197 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -772,6 +772,8 @@ static always_inline void gen_op_arith_add(DisasContext 
*ctx, TCGv ret, TCGv arg
         t1 = tcg_temp_local_new();
         tcg_gen_andi_tl(t1, cpu_xer, (1 << XER_CA));
         tcg_gen_shri_tl(t1, t1, XER_CA);
+    } else {
+        TCGV_UNUSED(t1);
     }
 
     if (compute_ca && compute_ov) {
@@ -1189,6 +1191,8 @@ static always_inline void gen_op_arith_subf(DisasContext 
*ctx, TCGv ret, TCGv ar
         t1 = tcg_temp_local_new();
         tcg_gen_andi_tl(t1, cpu_xer, (1 << XER_CA));
         tcg_gen_shri_tl(t1, t1, XER_CA);
+    } else {
+        TCGV_UNUSED(t1);
     }
 
     if (compute_ca && compute_ov) {
@@ -3364,6 +3368,8 @@ static always_inline void gen_bcond (DisasContext *ctx, 
int type)
             tcg_gen_mov_tl(target, cpu_ctr);
         else
             tcg_gen_mov_tl(target, cpu_lr);
+    } else {
+        TCGV_UNUSED(target);
     }
     if (LK(ctx->opcode))
         gen_setlr(ctx, ctx->nip);




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