[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v5 37/48] target/nios2: Use gen_goto_tb for DISAS_TOO_MANY
From: |
Richard Henderson |
Subject: |
[PATCH v5 37/48] target/nios2: Use gen_goto_tb for DISAS_TOO_MANY |
Date: |
Thu, 10 Mar 2022 03:27:14 -0800 |
Depending on the reason for ending the TB, we can chain
to the next TB because the PC is constant.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/nios2/translate.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/target/nios2/translate.c b/target/nios2/translate.c
index 51907586ab..6f31b6cc50 100644
--- a/target/nios2/translate.c
+++ b/target/nios2/translate.c
@@ -834,8 +834,11 @@ static void nios2_tr_tb_stop(DisasContextBase *dcbase,
CPUState *cs)
/* Indicate where the next block should start */
switch (dc->base.is_jmp) {
case DISAS_TOO_MANY:
+ gen_goto_tb(dc, 0, dc->base.pc_next);
+ break;
+
case DISAS_UPDATE:
- /* Save the current PC back into the CPU register */
+ /* Save the current PC, and return to the main loop. */
tcg_gen_movi_tl(cpu_pc, dc->base.pc_next);
tcg_gen_exit_tb(NULL, 0);
break;
--
2.25.1
- [PATCH v5 27/48] target/nios2: Implement cpuid, (continued)
- [PATCH v5 27/48] target/nios2: Implement cpuid, Richard Henderson, 2022/03/10
- [PATCH v5 29/48] target/nios2: Remove CPU_INTERRUPT_NMI, Richard Henderson, 2022/03/10
- [PATCH v5 30/48] target/nios2: Support division error exception, Richard Henderson, 2022/03/10
- [PATCH v5 28/48] target/nios2: Implement CR_STATUS.RSIE, Richard Henderson, 2022/03/10
- [PATCH v5 33/48] target/nios2: Drop CR_STATUS_EH from tb->flags, Richard Henderson, 2022/03/10
- [PATCH v5 32/48] target/nios2: Introduce dest_gpr, Richard Henderson, 2022/03/10
- [PATCH v5 34/48] target/nios2: Enable unaligned traps for system mode, Richard Henderson, 2022/03/10
- [PATCH v5 38/48] target/nios2: Use tcg_gen_lookup_and_goto_ptr, Richard Henderson, 2022/03/10
- [PATCH v5 31/48] target/nios2: Use tcg_constant_tl, Richard Henderson, 2022/03/10
- [PATCH v5 35/48] target/nios2: Create gen_jumpr, Richard Henderson, 2022/03/10
- [PATCH v5 37/48] target/nios2: Use gen_goto_tb for DISAS_TOO_MANY,
Richard Henderson <=
- [PATCH v5 36/48] target/nios2: Hoist set of is_jmp into gen_goto_tb, Richard Henderson, 2022/03/10
- [PATCH v5 39/48] target/nios2: Implement Misaligned destination exception, Richard Henderson, 2022/03/10
- [PATCH v5 41/48] target/nios2: Introduce shadow register sets, Richard Henderson, 2022/03/10
- [PATCH v5 46/48] hw/nios2: Introduce Nios2MachineState, Richard Henderson, 2022/03/10
- [PATCH v5 40/48] linux-user/nios2: Handle various SIGILL exceptions, Richard Henderson, 2022/03/10
- [PATCH v5 42/48] target/nios2: Implement rdprs, wrprs, Richard Henderson, 2022/03/10