From 7e4fb26d757b460de5b80b4220bcd926f7175cb2 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 14 Mar 2014 15:30:10 -0700 Subject: cpu: Move tcg_exit_req to the end of CPUState Reverse an increase in the size of generated code. Signed-off-by: Richard Henderson Signed-off-by: Andreas Färber --- include/qom/cpu.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/qom/cpu.h b/include/qom/cpu.h index 06ee2636c3..f99885a137 100644 --- a/include/qom/cpu.h +++ b/include/qom/cpu.h @@ -227,7 +227,6 @@ struct CPUState { bool stop; bool stopped; volatile sig_atomic_t exit_request; - volatile sig_atomic_t tcg_exit_req; uint32_t interrupt_request; int singlestep_enabled; int64_t icount_extra; @@ -272,6 +271,12 @@ struct CPUState { } icount_decr; uint32_t can_do_io; int32_t exception_index; /* used by m68k TCG */ + + /* Note that this is accessed at the start of every TB via a negative + offset from AREG0. Leave this field at the end so as to make the + (absolute value) offset as small as possible. This reduces code + size, especially for hosts without large memory offsets. */ + volatile sig_atomic_t tcg_exit_req; }; QTAILQ_HEAD(CPUTailQ, CPUState); -- cgit v1.2.3-55-g7522