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target/hppa: Skip nullified insns in unconditional dbranch path

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Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-04-13 13:07:06 -07:00
parent 0dcd6640e4
commit d08ad0e0f0
1 changed files with 8 additions and 2 deletions
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10
target/hppa/translate.c
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@ -1806,11 +1806,17 @@ static bool do_dbranch(DisasContext *ctx, int64_t disp,
if (ctx->null_cond.c == TCG_COND_NEVER && ctx->null_lab == NULL) {
install_link(ctx, link, false);
ctx->iaoq_n = dest;
ctx->iaoq_n_var = NULL;
if (is_n) {
if (use_nullify_skip(ctx)) {
nullify_set(ctx, 0);
gen_goto_tb(ctx, 0, dest, dest + 4);
ctx->base.is_jmp = DISAS_NORETURN;
return true;
}
ctx->null_cond.c = TCG_COND_ALWAYS;
}
ctx->iaoq_n = dest;
ctx->iaoq_n_var = NULL;
} else {
nullify_over(ctx);