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[PATCH for-7.1 v6 37/51] target/nios2: Use gen_goto_tb for DISAS_TOO_MAN
From: |
Richard Henderson |
Subject: |
[PATCH for-7.1 v6 37/51] target/nios2: Use gen_goto_tb for DISAS_TOO_MANY |
Date: |
Wed, 16 Mar 2022 22:05:24 -0700 |
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
- Re: [PATCH for-7.1 v6 23/51] target/nios2: Handle EXCP_UNALIGN and EXCP_UALIGND, (continued)
- [PATCH for-7.1 v6 25/51] target/nios2: Clean up handling of tlbmisc in do_exception, Richard Henderson, 2022/03/17
- [PATCH for-7.1 v6 29/51] target/nios2: Remove CPU_INTERRUPT_NMI, Richard Henderson, 2022/03/17
- [PATCH for-7.1 v6 24/51] target/nios2: Cleanup set of CR_EXCEPTION for do_interrupt, Richard Henderson, 2022/03/17
- [PATCH for-7.1 v6 27/51] target/nios2: Implement cpuid, Richard Henderson, 2022/03/17
- [PATCH for-7.1 v6 31/51] target/nios2: Use tcg_constant_tl, Richard Henderson, 2022/03/17
- [PATCH for-7.1 v6 32/51] target/nios2: Introduce dest_gpr, Richard Henderson, 2022/03/17
- [PATCH for-7.1 v6 37/51] target/nios2: Use gen_goto_tb for DISAS_TOO_MANY,
Richard Henderson <=
- [PATCH for-7.1 v6 26/51] target/nios2: Prevent writes to read-only or reserved control fields, Richard Henderson, 2022/03/17
- [PATCH for-7.1 v6 33/51] target/nios2: Drop CR_STATUS_EH from tb->flags, Richard Henderson, 2022/03/17
- [PATCH for-7.1 v6 28/51] target/nios2: Implement CR_STATUS.RSIE, Richard Henderson, 2022/03/17
- [PATCH for-7.1 v6 30/51] target/nios2: Support division error exception, Richard Henderson, 2022/03/17
- [PATCH for-7.1 v6 34/51] target/nios2: Enable unaligned traps for system mode, Richard Henderson, 2022/03/17