diff options
| author | Richard Henderson <rth@twiddle.net> | 2017-01-26 13:35:05 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2017-02-06 18:24:40 -0800 |
| commit | a881c8e73fb8a6c72c963f842181ad2753913748 (patch) | |
| tree | ecefd3bdfa3bfa3fda2609df2895c9ecb0ee8212 /target/hppa/translate.c | |
| parent | 3d96995decb33e49503e30899098e3d3289c9e0d (diff) | |
| download | qemu-a881c8e73fb8a6c72c963f842181ad2753913748.tar.gz | |
target/hppa: Tidy do_cbranch
Removes some dead code detected by Covarity.
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target/hppa/translate.c')
| -rw-r--r-- | target/hppa/translate.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 4d243f7d3d..5d571f0a4e 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -1433,7 +1433,6 @@ static ExitStatus do_cbranch(DisasContext *ctx, target_long disp, bool is_n, target_ulong dest = iaoq_dest(ctx, disp); TCGLabel *taken = NULL; TCGCond c = cond->c; - int which = 0; bool n; assert(ctx->null_cond.c == TCG_COND_NEVER); @@ -1455,14 +1454,14 @@ static ExitStatus do_cbranch(DisasContext *ctx, target_long disp, bool is_n, n = is_n && disp < 0; if (n && use_nullify_skip(ctx)) { nullify_set(ctx, 0); - gen_goto_tb(ctx, which++, ctx->iaoq_n, ctx->iaoq_n + 4); + gen_goto_tb(ctx, 0, ctx->iaoq_n, ctx->iaoq_n + 4); } else { if (!n && ctx->null_lab) { gen_set_label(ctx->null_lab); ctx->null_lab = NULL; } nullify_set(ctx, n); - gen_goto_tb(ctx, which++, ctx->iaoq_b, ctx->iaoq_n); + gen_goto_tb(ctx, 0, ctx->iaoq_b, ctx->iaoq_n); } gen_set_label(taken); @@ -1471,23 +1470,17 @@ static ExitStatus do_cbranch(DisasContext *ctx, target_long disp, bool is_n, n = is_n && disp >= 0; if (n && use_nullify_skip(ctx)) { nullify_set(ctx, 0); - gen_goto_tb(ctx, which++, dest, dest + 4); + gen_goto_tb(ctx, 1, dest, dest + 4); } else { nullify_set(ctx, n); - gen_goto_tb(ctx, which++, ctx->iaoq_b, dest); + gen_goto_tb(ctx, 1, ctx->iaoq_b, dest); } /* Not taken: the branch itself was nullified. */ if (ctx->null_lab) { gen_set_label(ctx->null_lab); ctx->null_lab = NULL; - if (which < 2) { - nullify_set(ctx, 0); - gen_goto_tb(ctx, which, ctx->iaoq_b, ctx->iaoq_n); - return EXIT_GOTO_TB; - } else { - return EXIT_IAQ_N_STALE; - } + return EXIT_IAQ_N_STALE; } else { return EXIT_GOTO_TB; } |