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[PATCH 25/33] accel/tcg: Un-inline icount_exit_request() for clarity
From: |
Richard Henderson |
Subject: |
[PATCH 25/33] accel/tcg: Un-inline icount_exit_request() for clarity |
Date: |
Sun, 28 Jan 2024 14:42:05 +1000 |
From: Philippe Mathieu-Daudé <philmd@linaro.org>
Convert packed logic to dumb icount_exit_request() helper.
No functional change intended.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20240124101639.30056-5-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
accel/tcg/cpu-exec.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index 950dad63cb..f2535a2991 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -777,6 +777,17 @@ static inline bool need_replay_interrupt(int
interrupt_request)
}
#endif /* !CONFIG_USER_ONLY */
+static inline bool icount_exit_request(CPUState *cpu)
+{
+ if (!icount_enabled()) {
+ return false;
+ }
+ if (cpu->cflags_next_tb != -1 && !(cpu->cflags_next_tb & CF_USE_ICOUNT)) {
+ return false;
+ }
+ return cpu->neg.icount_decr.u16.low + cpu->icount_extra == 0;
+}
+
static inline bool cpu_handle_interrupt(CPUState *cpu,
TranslationBlock **last_tb)
{
@@ -882,10 +893,7 @@ static inline bool cpu_handle_interrupt(CPUState *cpu,
}
/* Finally, check if we need to exit to the main loop. */
- if (unlikely(qatomic_read(&cpu->exit_request))
- || (icount_enabled()
- && (cpu->cflags_next_tb == -1 || cpu->cflags_next_tb &
CF_USE_ICOUNT)
- && cpu->neg.icount_decr.u16.low + cpu->icount_extra == 0)) {
+ if (unlikely(qatomic_read(&cpu->exit_request)) ||
icount_exit_request(cpu)) {
qatomic_set(&cpu->exit_request, 0);
if (cpu->exception_index == -1) {
cpu->exception_index = EXCP_INTERRUPT;
--
2.34.1
- [PATCH 16/33] accel/tcg/cpu-exec: Use RCU_READ_LOCK_GUARD, (continued)
- [PATCH 16/33] accel/tcg/cpu-exec: Use RCU_READ_LOCK_GUARD, Richard Henderson, 2024/01/27
- [PATCH 17/33] target: Make qemu_target_page_mask() available for *-user, Richard Henderson, 2024/01/27
- [PATCH 18/33] accel/tcg: Make use of qemu_target_page_mask() in perf.c, Richard Henderson, 2024/01/27
- [PATCH 19/33] tcg: Make tb_cflags() usable from target-agnostic code, Richard Henderson, 2024/01/27
- [PATCH 20/33] accel/tcg: Remove #ifdef TARGET_I386 from perf.c, Richard Henderson, 2024/01/27
- [PATCH 21/33] accel/tcg: Move perf and debuginfo support to tcg/, Richard Henderson, 2024/01/27
- [PATCH 22/33] accel/tcg: Rename tcg_ss[] -> tcg_specific_ss[] in meson, Richard Henderson, 2024/01/27
- [PATCH 23/33] accel/tcg: Rename tcg_cpus_destroy() -> tcg_cpu_destroy(), Richard Henderson, 2024/01/27
- [PATCH 24/33] accel/tcg: Rename tcg_cpus_exec() -> tcg_cpu_exec(), Richard Henderson, 2024/01/27
- [PATCH 25/33] accel/tcg: Un-inline icount_exit_request() for clarity,
Richard Henderson <=
- [PATCH 26/33] include/qemu: Add TCGCPUOps typedef to typedefs.h, Richard Henderson, 2024/01/27
- [PATCH 27/33] target/loongarch: Constify loongarch_tcg_ops, Richard Henderson, 2024/01/27
- [PATCH 28/33] accel/tcg: Use CPUState.cc instead of CPU_GET_CLASS in cpu-exec.c, Richard Henderson, 2024/01/27
- [PATCH 29/33] accel/tcg: Introduce TCGCPUOps::need_replay_interrupt() handler, Richard Henderson, 2024/01/27
- [PATCH 30/33] target/i386: Extract x86_need_replay_interrupt() from accel/tcg/, Richard Henderson, 2024/01/27
- [PATCH 32/33] accel/tcg: Introduce TCGCPUOps::cpu_exec_halt() handler, Richard Henderson, 2024/01/27
- [PATCH 31/33] accel/tcg: Inline need_replay_interrupt, Richard Henderson, 2024/01/27
- [PATCH 33/33] target/i386: Extract x86_cpu_exec_halt() from accel/tcg/, Richard Henderson, 2024/01/27
- Re: [PATCH 00/33] tcg patch queue, pre-pull, Richard Henderson, 2024/01/28