On 6/1/21 5:01 PM, Richard Henderson wrote: > We already had the 32-bit versions for a 32-bit host; expand this > to 64-bit hosts as well. The 64-bit opcodes are new. > > Tested-by: Philippe Mathieu-Daudé <f4...@amsat.org> > Signed-off-by: Richard Henderson <richard.hender...@linaro.org> > --- > tcg/tci/tcg-target.h | 8 ++++---- > tcg/tci.c | 40 ++++++++++++++++++++++++++-------------- > tcg/tci/tcg-target.c.inc | 15 ++++++++------- > 3 files changed, 38 insertions(+), 25 deletions(-)
> +#if TCG_TARGET_HAS_add2_i64 > + case INDEX_op_add2_i64: > + tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5); > + T1 = regs[r2] + regs[r4]; // lo > + T2 = regs[r3] + regs[r5] + (T1 < regs[r2]); // hi + lo ovf > + regs[r0] = T1; // lo > + regs[r1] = T2; // hi OK. Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org> > + break; > +#endif > +#if TCG_TARGET_HAS_add2_i64 > + case INDEX_op_sub2_i64: > + tci_args_rrrrrr(insn, &r0, &r1, &r2, &r3, &r4, &r5); > + T1 = regs[r2] - regs[r4]; > + T2 = regs[r3] - regs[r5] - (regs[r2] < regs[r4]); > + regs[r0] = T1; > + regs[r1] = T2; > + break; > +#endif
