diff options
Diffstat (limited to 'target/ppc/fpu_helper.c')
| -rw-r--r-- | target/ppc/fpu_helper.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 9d2688e675..1b6cd3bd10 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -2717,6 +2717,61 @@ void helper_##name(CPUPPCState *env, uint32_t opcode) \ VSX_MAX_MINC(xsmaxcdp, 1); VSX_MAX_MINC(xsmincdp, 0); +#define VSX_MAX_MINJ(name, max) \ +void helper_##name(CPUPPCState *env, uint32_t opcode) \ +{ \ + ppc_vsr_t xt, xa, xb; \ + bool vxsnan_flag = false, vex_flag = false; \ + \ + getVSR(rA(opcode) + 32, &xa, env); \ + getVSR(rB(opcode) + 32, &xb, env); \ + getVSR(rD(opcode) + 32, &xt, env); \ + \ + if (unlikely(float64_is_any_nan(xa.VsrD(0)))) { \ + if (float64_is_signaling_nan(xa.VsrD(0), &env->fp_status)) { \ + vxsnan_flag = true; \ + } \ + xt.VsrD(0) = xa.VsrD(0); \ + } else if (unlikely(float64_is_any_nan(xb.VsrD(0)))) { \ + if (float64_is_signaling_nan(xb.VsrD(0), &env->fp_status)) { \ + vxsnan_flag = true; \ + } \ + xt.VsrD(0) = xb.VsrD(0); \ + } else if (float64_is_zero(xa.VsrD(0)) && float64_is_zero(xb.VsrD(0))) { \ + if (max) { \ + if (!float64_is_neg(xa.VsrD(0)) || !float64_is_neg(xb.VsrD(0))) { \ + xt.VsrD(0) = 0ULL; \ + } else { \ + xt.VsrD(0) = 0x8000000000000000ULL; \ + } \ + } else { \ + if (float64_is_neg(xa.VsrD(0)) || float64_is_neg(xb.VsrD(0))) { \ + xt.VsrD(0) = 0x8000000000000000ULL; \ + } else { \ + xt.VsrD(0) = 0ULL; \ + } \ + } \ + } else if ((max && \ + !float64_lt(xa.VsrD(0), xb.VsrD(0), &env->fp_status)) || \ + (!max && \ + float64_lt(xa.VsrD(0), xb.VsrD(0), &env->fp_status))) { \ + xt.VsrD(0) = xa.VsrD(0); \ + } else { \ + xt.VsrD(0) = xb.VsrD(0); \ + } \ + \ + vex_flag = fpscr_ve & vxsnan_flag; \ + if (vxsnan_flag) { \ + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \ + } \ + if (!vex_flag) { \ + putVSR(rD(opcode) + 32, &xt, env); \ + } \ +} \ + +VSX_MAX_MINJ(xsmaxjdp, 1); +VSX_MAX_MINJ(xsminjdp, 0); + /* VSX_CMP - VSX floating point compare * op - instruction mnemonic * nels - number of elements (1, 2 or 4) |