Since we always perform a comparison between the two operands avoid checking for NaN unless the result states they're unordered.
Suggested-by: Richard Henderson <[email protected]> Signed-off-by: Giuseppe Musacchio <[email protected]> --- target/ppc/fpu_helper.c | 82 +++++++++++++++++++++-------------------- 1 file changed, 42 insertions(+), 40 deletions(-) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index c74c080c17..315959f681 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -2475,25 +2475,6 @@ static inline void do_scalar_cmp(CPUPPCState *env, ppc_vsr_t *xa, ppc_vsr_t *xb, helper_reset_fpstatus(env); - if (float64_is_signaling_nan(xa->VsrD(0), &env->fp_status) || - float64_is_signaling_nan(xb->VsrD(0), &env->fp_status)) { - vxsnan_flag = true; - if (fpscr_ve == 0 && ordered) { - vxvc_flag = true; - } - } else if (float64_is_quiet_nan(xa->VsrD(0), &env->fp_status) || - float64_is_quiet_nan(xb->VsrD(0), &env->fp_status)) { - if (ordered) { - vxvc_flag = true; - } - } - if (vxsnan_flag) { - float_invalid_op_vxsnan(env, GETPC()); - } - if (vxvc_flag) { - float_invalid_op_vxvc(env, 0, GETPC()); - } - switch (float64_compare(xa->VsrD(0), xb->VsrD(0), &env->fp_status)) { case float_relation_less: cc |= CRF_LT; @@ -2506,6 +2487,27 @@ static inline void do_scalar_cmp(CPUPPCState *env, ppc_vsr_t *xa, ppc_vsr_t *xb, break; case float_relation_unordered: cc |= CRF_SO; + + if (float64_is_signaling_nan(xa->VsrD(0), &env->fp_status) || + float64_is_signaling_nan(xb->VsrD(0), &env->fp_status)) { + vxsnan_flag = true; + if (fpscr_ve == 0 && ordered) { + vxvc_flag = true; + } + } else if (float64_is_quiet_nan(xa->VsrD(0), &env->fp_status) || + float64_is_quiet_nan(xb->VsrD(0), &env->fp_status)) { + if (ordered) { + vxvc_flag = true; + } + } + + if (vxsnan_flag) { + float_invalid_op_vxsnan(env, GETPC()); + } + if (vxvc_flag) { + float_invalid_op_vxvc(env, 0, GETPC()); + } + break; } @@ -2536,27 +2538,6 @@ static inline void do_scalar_cmpq(CPUPPCState *env, ppc_vsr_t *xa, helper_reset_fpstatus(env); - if (float128_is_signaling_nan(xa->f128, &env->fp_status) || - float128_is_signaling_nan(xb->f128, &env->fp_status)) { - vxsnan_flag = true; - cc = CRF_SO; - if (fpscr_ve == 0 && ordered) { - vxvc_flag = true; - } - } else if (float128_is_quiet_nan(xa->f128, &env->fp_status) || - float128_is_quiet_nan(xb->f128, &env->fp_status)) { - cc = CRF_SO; - if (ordered) { - vxvc_flag = true; - } - } - if (vxsnan_flag) { - float_invalid_op_vxsnan(env, GETPC()); - } - if (vxvc_flag) { - float_invalid_op_vxvc(env, 0, GETPC()); - } - switch (float128_compare(xa->f128, xb->f128, &env->fp_status)) { case float_relation_less: cc |= CRF_LT; @@ -2569,6 +2550,27 @@ static inline void do_scalar_cmpq(CPUPPCState *env, ppc_vsr_t *xa, break; case float_relation_unordered: cc |= CRF_SO; + + if (float128_is_signaling_nan(xa->f128, &env->fp_status) || + float128_is_signaling_nan(xb->f128, &env->fp_status)) { + vxsnan_flag = true; + if (fpscr_ve == 0 && ordered) { + vxvc_flag = true; + } + } else if (float128_is_quiet_nan(xa->f128, &env->fp_status) || + float128_is_quiet_nan(xb->f128, &env->fp_status)) { + if (ordered) { + vxvc_flag = true; + } + } + + if (vxsnan_flag) { + float_invalid_op_vxsnan(env, GETPC()); + } + if (vxvc_flag) { + float_invalid_op_vxvc(env, 0, GETPC()); + } + break; } -- 2.27.0
