Re: [Qemu-devel] [PATCH 08/10] target-tricore: add FCALL instructions of the v1.6 ISA

[Bastian Koppelmann]

On 05/21/2015 07:28 PM, Richard Henderson wrote:
> On 05/13/2015 02:45 AM, Bastian Koppelmann wrote:
> > +static void gen_fcall_save_ctx(DisasContext *ctx)
> > +{
> > +    tcg_gen_addi_tl(cpu_gpr_a[10], cpu_gpr_a[10], -4);
> > +    tcg_gen_qemu_st_tl(cpu_gpr_a[11], cpu_gpr_a[10], ctx->mem_idx, MO_LESL);
> > +    tcg_gen_movi_tl(cpu_gpr_a[11], ctx->next_pc);
> > +}
> Does a[10] really get updated if the store traps?
Good catch! It does not and a tmp is required.

Cheers,
Bastian