Re: [Qemu-devel] [PATCH v2 5/5] target-m68k: increment/decrement with SP

2017-01-13 Thread Richard Henderson
On 01/13/2017 04:52 AM, Laurent Vivier wrote: > +if (reg0 == 7 && opsize == OS_BYTE && > +m68k_feature(s->env, M68K_FEATURE_M68000)) { > +tcg_gen_subi_i32(tmp, reg, 2); > +} else { > +tcg_gen_addi_i32(tmp, reg, opsize_bytes(ops

Re: [Qemu-devel] [PATCH v2 5/5] target-m68k: increment/decrement with SP

2017-01-13 Thread Thomas Huth
On 13.01.2017 13:52, Laurent Vivier wrote: > On 680x0 family only. > > Address Register indirect With postincrement: > > When using the stack pointer (A7) with byte size data, the register > is incremented by two. > > Address Register indirect With predecrement: > > When using the stack pointer

[Qemu-devel] [PATCH v2 5/5] target-m68k: increment/decrement with SP

2017-01-13 Thread Laurent Vivier
On 680x0 family only. Address Register indirect With postincrement: When using the stack pointer (A7) with byte size data, the register is incremented by two. Address Register indirect With predecrement: When using the stack pointer (A7) with byte size data, the register is decremented by two.