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| author | Paolo Bonzini <pbonzini@redhat.com> | 2015-01-26 12:12:22 +0100 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2015-02-10 09:27:20 +0300 |
| commit | 52851b7e3d816502b8ae4e8353f31fd9ee801509 (patch) | |
| tree | df8d97a8a89bc441f5304ba5b198470686a2191e /cpu-exec.c | |
| parent | a7fa2e9783ee957635d23ddab151a8be97df5b2a (diff) | |
| download | qemu-52851b7e3d816502b8ae4e8353f31fd9ee801509.tar.gz qemu-52851b7e3d816502b8ae4e8353f31fd9ee801509.tar.bz2 qemu-52851b7e3d816502b8ae4e8353f31fd9ee801509.zip | |
cpu-exec: simplify icount code
Use MIN instead of an "if" statement. Move "tb" assignment where
the value is actually used.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'cpu-exec.c')
| -rw-r--r-- | cpu-exec.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/cpu-exec.c b/cpu-exec.c index 4ff1b236a1..67381176da 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); } |