[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-trivial] [PULL 15/46] cpu-exec: simplify icount code
From: |
Michael Tokarev |
Subject: |
[Qemu-trivial] [PULL 15/46] cpu-exec: simplify icount code |
Date: |
Tue, 10 Feb 2015 09:34:04 +0300 |
From: Paolo Bonzini <address@hidden>
Use MIN instead of an "if" statement. Move "tb" assignment where
the value is actually used.
Signed-off-by: Paolo Bonzini <address@hidden>
Signed-off-by: Michael Tokarev <address@hidden>
---
cpu-exec.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/cpu-exec.c b/cpu-exec.c
index 4ff1b23..6738117 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -499,22 +499,17 @@ int cpu_exec(CPUArchState *env)
case TB_EXIT_ICOUNT_EXPIRED:
{
/* Instruction counter expired. */
- int insns_left;
- tb = (TranslationBlock *)(next_tb & ~TB_EXIT_MASK);
- insns_left = cpu->icount_decr.u32;
+ int insns_left = cpu->icount_decr.u32;
if (cpu->icount_extra && insns_left >= 0) {
/* Refill decrementer and continue execution. */
cpu->icount_extra += insns_left;
- if (cpu->icount_extra > 0xffff) {
- insns_left = 0xffff;
- } else {
- insns_left = cpu->icount_extra;
- }
+ insns_left = MIN(0xffff, cpu->icount_extra);
cpu->icount_extra -= insns_left;
cpu->icount_decr.u16.low = insns_left;
} else {
if (insns_left > 0) {
/* Execute remaining instructions. */
+ tb = (TranslationBlock *)(next_tb &
~TB_EXIT_MASK);
cpu_exec_nocache(env, insns_left, tb);
align_clocks(&sc, cpu);
}
--
2.1.4
- [Qemu-trivial] [PULL 21/46] libcacard: stop linking against every single 3rd party library, (continued)
- [Qemu-trivial] [PULL 21/46] libcacard: stop linking against every single 3rd party library, Michael Tokarev, 2015/02/10
- [Qemu-trivial] [PULL 14/46] cpu-exec: drop dead assignment, Michael Tokarev, 2015/02/10
- [Qemu-trivial] [PULL 40/46] migration: Fix warnings caused by missing 'static' attribute, Michael Tokarev, 2015/02/10
- [Qemu-trivial] [PULL 46/46] virtio: Fix warning caused by missing 'static' attribute, Michael Tokarev, 2015/02/10
- [Qemu-trivial] [PULL 05/46] Add/convert trace calls in pcnet-pci.c., Michael Tokarev, 2015/02/10
- [Qemu-trivial] [PULL 23/46] qemu-option: Pair g_malloc() with g_free(), not free(), Michael Tokarev, 2015/02/10
- [Qemu-trivial] [PULL 20/46] linux-user: wrong TARGET_SI_PAD_SIZE value for some targets., Michael Tokarev, 2015/02/10
- [Qemu-trivial] [PULL 33/46] kvm: g_malloc() can't fail, bury dead error handling, Michael Tokarev, 2015/02/10
- [Qemu-trivial] [PULL 15/46] cpu-exec: simplify icount code,
Michael Tokarev <=
- [Qemu-trivial] [PULL 35/46] vnc: g_realloc() can't fail, bury dead error handling, Michael Tokarev, 2015/02/10
- [Qemu-trivial] [PULL 16/46] qemu-sockets: improve error reporting in unix_listen_opts, Michael Tokarev, 2015/02/10
- [Qemu-trivial] [PULL 44/46] stubs: Fix warning caused by missing include statement, Michael Tokarev, 2015/02/10
- [Qemu-trivial] [PULL 22/46] qemu-option: Replace pointless use of g_malloc0() by g_malloc(), Michael Tokarev, 2015/02/10