diff mbox series

[10/45] target/hppa: Skip nullified insns in unconditional dbranch path

Message ID 20240425000023.1002026-11-richard.henderson@linaro.org
State Superseded
Headers show
Series target/hppa: Misc improvements | expand

Commit Message

Richard Henderson April 24, 2024, 11:59 p.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/hppa/translate.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index ac181180a6..6a73b1d409 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -1804,11 +1804,17 @@  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);