From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PATCH 10/45] target/hppa: Skip nullified insns in unconditional dbranch path
Date: Wed, 24 Apr 2024 16:59:48 -0700 [thread overview]
Message-ID: <20240425000023.1002026-11-richard.henderson@linaro.org> (raw)
In-Reply-To: <20240425000023.1002026-1-richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/hppa/translate.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
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);
--
2.34.1
next prev parent reply other threads:[~2024-04-25 0:10 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-24 23:59 [PATCH 00/45] target/hppa: Misc improvements Richard Henderson
2024-04-24 23:59 ` [PATCH 01/45] target/hppa: Move cpu_get_tb_cpu_state out of line Richard Henderson
2024-04-24 23:59 ` [PATCH 02/45] target/hppa: Use hppa_form_gva_psw in hppa_cpu_get_pc Richard Henderson
2024-04-24 23:59 ` [PATCH 03/45] target/hppa: Move constant destination check into use_goto_tb Richard Henderson
2024-04-24 23:59 ` [PATCH 04/45] target/hppa: Pass displacement to do_dbranch Richard Henderson
2024-05-13 11:41 ` Philippe Mathieu-Daudé
2024-04-24 23:59 ` [PATCH 05/45] target/hppa: Allow prior nullification in do_ibranch Richard Henderson
2024-04-24 23:59 ` [PATCH 06/45] target/hppa: Use CF_BP_PAGE instead of cpu_breakpoint_test Richard Henderson
2024-04-24 23:59 ` [PATCH 07/45] target/hppa: Add install_iaq_entries Richard Henderson
2024-04-24 23:59 ` [PATCH 08/45] target/hppa: Add install_link Richard Henderson
2024-04-24 23:59 ` [PATCH 09/45] target/hppa: Delay computation of IAQ_Next Richard Henderson
2024-04-24 23:59 ` Richard Henderson [this message]
2024-04-24 23:59 ` [PATCH 11/45] target/hppa: Simplify TB end Richard Henderson
2024-04-24 23:59 ` [PATCH 12/45] target/hppa: Add IASQ entries to DisasContext Richard Henderson
2024-04-24 23:59 ` [PATCH 13/45] target/hppa: Add space arguments to install_iaq_entries Richard Henderson
2024-04-24 23:59 ` [PATCH 14/45] target/hppa: Add space argument to do_ibranch Richard Henderson
2024-04-24 23:59 ` [PATCH 15/45] target/hppa: Use umax in do_ibranch_priv Richard Henderson
2024-04-24 23:59 ` [PATCH 16/45] target/hppa: Always make a copy " Richard Henderson
2024-04-24 23:59 ` [PATCH 17/45] target/hppa: Introduce and use DisasIAQE for branch management Richard Henderson
2024-04-24 23:59 ` [PATCH 18/45] target/hppa: Use displacements in DisasIAQE Richard Henderson
2024-04-24 23:59 ` [PATCH 19/45] target/hppa: Rename cond_make_* helpers Richard Henderson
2024-04-24 23:59 ` [PATCH 20/45] target/hppa: Use TCG_COND_TST* in do_cond Richard Henderson
2024-04-24 23:59 ` [PATCH 21/45] target/hppa: Use TCG_COND_TST* in do_log_cond Richard Henderson
2024-04-25 0:00 ` [PATCH 22/45] target/hppa: Use TCG_COND_TST* in do_unit_zero_cond Richard Henderson
2024-04-25 0:00 ` [PATCH 23/45] target/hppa: Use TCG_COND_TST* in do_unit_addsub Richard Henderson
2024-04-25 0:00 ` [PATCH 24/45] target/hppa: Use TCG_COND_TST* in trans_bb_imm Richard Henderson
2024-04-25 0:00 ` [PATCH 25/45] target/hppa: Use registerfields.h for FPSR Richard Henderson
2024-04-25 0:00 ` [PATCH 26/45] target/hppa: Use TCG_COND_TST* in trans_ftest Richard Henderson
2024-04-25 0:00 ` [PATCH 27/45] target/hppa: Remove cond_free Richard Henderson
2024-04-25 0:00 ` [PATCH 28/45] target/hppa: Introduce DisasDelayException Richard Henderson
2024-04-25 0:00 ` [PATCH 29/45] target/hppa: Use delay_excp for conditional traps Richard Henderson
2024-04-25 0:00 ` [PATCH 30/45] target/hppa: Use delay_excp for conditional trap on overflow Richard Henderson
2024-04-25 0:00 ` [PATCH 31/45] linux-user/hppa: Force all code addresses to PRIV_USER Richard Henderson
2024-04-25 0:00 ` [PATCH 32/45] target/hppa: Store full iaoq_f and page bits of iaoq_d in TB Richard Henderson
2024-04-25 0:00 ` [PATCH 33/45] target/hppa: Do not mask in copy_iaoq_entry Richard Henderson
2024-04-25 0:00 ` [PATCH 34/45] target/hppa: Improve hppa_cpu_dump_state Richard Henderson
2024-04-25 0:00 ` [PATCH 35/45] target/hppa: Split PSW X and B into their own field Richard Henderson
2024-04-25 0:00 ` [PATCH 36/45] target/hppa: Manage PSW_X and PSW_B in translator Richard Henderson
2024-04-25 0:00 ` [PATCH 37/45] target/hppa: Implement PSW_B Richard Henderson
2024-04-25 0:00 ` [PATCH 38/45] target/hppa: Implement PSW_X Richard Henderson
2024-04-25 0:00 ` [PATCH 39/45] target/hppa: Drop tlb_entry return from hppa_get_physical_address Richard Henderson
2024-04-25 0:00 ` [PATCH 40/45] target/hppa: Adjust priv for B,GATE at runtime Richard Henderson
2024-04-25 0:00 ` [PATCH 41/45] target/hppa: Implement CF_PCREL Richard Henderson
2024-04-25 0:00 ` [PATCH 42/45] target/hppa: Implement PSW_T Richard Henderson
2024-04-25 0:00 ` [PATCH 43/45] target/hppa: Implement PSW_H, PSW_L Richard Henderson
2024-04-25 0:00 ` [PATCH 44/45] target/hppa: Log cpu state at interrupt Richard Henderson
2024-04-25 0:00 ` [PATCH 45/45] target/hppa: Log cpu state on return-from-interrupt Richard Henderson
2024-05-10 14:48 ` [PATCH 00/45] target/hppa: Misc improvements Philippe Mathieu-Daudé
2024-05-12 16:08 ` Sven Schnelle
2024-05-13 6:11 ` Helge Deller
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