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| author | Richard Henderson <richard.henderson@linaro.org> | 2018-10-11 16:41:56 -0700 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2018-11-08 12:04:40 +1100 |
| commit | 57483867e9eda2b34ce4bb2aaf90b2f35bf375c0 (patch) | |
| tree | 1ced99980cdb51deccf21ac43a95cfd1b136d25b /target/ppc/fpu_helper.c | |
| parent | 0394d7a68474f4144d7e2f5eb9dd8e6a87d01bef (diff) | |
| download | qemu-57483867e9eda2b34ce4bb2aaf90b2f35bf375c0.zip qemu-57483867e9eda2b34ce4bb2aaf90b2f35bf375c0.tar.gz qemu-57483867e9eda2b34ce4bb2aaf90b2f35bf375c0.tar.bz2 | |
target/ppc: Split out float_invalid_op_addsub
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target/ppc/fpu_helper.c')
| -rw-r--r-- | target/ppc/fpu_helper.c | 60 |
1 files changed, 26 insertions, 34 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 9ae55b1..111ce12 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -648,6 +648,17 @@ void helper_reset_fpstatus(CPUPPCState *env) set_float_exception_flags(0, &env->fp_status); } +static void float_invalid_op_addsub(CPUPPCState *env, bool set_fpcc, + uintptr_t retaddr, int classes) +{ + if ((classes & ~is_neg) == is_inf) { + /* Magnitude subtraction of infinities */ + float_invalid_op_vxisi(env, set_fpcc, retaddr); + } else if (classes & is_snan) { + float_invalid_op_vxsnan(env, retaddr); + } +} + /* fadd - fadd. */ float64 helper_fadd(CPUPPCState *env, float64 arg1, float64 arg2) { @@ -655,14 +666,9 @@ float64 helper_fadd(CPUPPCState *env, float64 arg1, float64 arg2) int status = get_float_exception_flags(&env->fp_status); if (unlikely(status & float_flag_invalid)) { - if (float64_is_infinity(arg1) && float64_is_infinity(arg2)) { - /* Magnitude subtraction of infinities */ - float_invalid_op_vxisi(env, 1, GETPC()); - } else if (float64_is_signaling_nan(arg1, &env->fp_status) || - float64_is_signaling_nan(arg2, &env->fp_status)) { - /* sNaN addition */ - float_invalid_op_vxsnan(env, GETPC()); - } + float_invalid_op_addsub(env, 1, GETPC(), + float64_classify(arg1) | + float64_classify(arg2)); } return ret; @@ -675,14 +681,9 @@ float64 helper_fsub(CPUPPCState *env, float64 arg1, float64 arg2) int status = get_float_exception_flags(&env->fp_status); if (unlikely(status & float_flag_invalid)) { - if (float64_is_infinity(arg1) && float64_is_infinity(arg2)) { - /* Magnitude subtraction of infinities */ - float_invalid_op_vxisi(env, 1, GETPC()); - } else if (float64_is_signaling_nan(arg1, &env->fp_status) || - float64_is_signaling_nan(arg2, &env->fp_status)) { - /* sNaN addition */ - float_invalid_op_vxsnan(env, GETPC()); - } + float_invalid_op_addsub(env, 1, GETPC(), + float64_classify(arg1) | + float64_classify(arg2)); } return ret; @@ -1803,12 +1804,9 @@ void helper_##name(CPUPPCState *env, uint32_t opcode) \ env->fp_status.float_exception_flags |= tstat.float_exception_flags; \ \ if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { \ - if (tp##_is_infinity(xa.fld) && tp##_is_infinity(xb.fld)) { \ - float_invalid_op_vxisi(env, sfprf, GETPC()); \ - } else if (tp##_is_signaling_nan(xa.fld, &tstat) || \ - tp##_is_signaling_nan(xb.fld, &tstat)) { \ - float_invalid_op_vxsnan(env, GETPC()); \ - } \ + float_invalid_op_addsub(env, sfprf, GETPC(), \ + tp##_classify(xa.fld) | \ + tp##_classify(xb.fld)); \ } \ \ if (r2sp) { \ @@ -1852,12 +1850,9 @@ void helper_xsaddqp(CPUPPCState *env, uint32_t opcode) env->fp_status.float_exception_flags |= tstat.float_exception_flags; if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { - if (float128_is_infinity(xa.f128) && float128_is_infinity(xb.f128)) { - float_invalid_op_vxisi(env, 1, GETPC()); - } else if (float128_is_signaling_nan(xa.f128, &tstat) || - float128_is_signaling_nan(xb.f128, &tstat)) { - float_invalid_op_vxsnan(env, GETPC()); - } + float_invalid_op_addsub(env, 1, GETPC(), + float128_classify(xa.f128) | + float128_classify(xb.f128)); } helper_compute_fprf_float128(env, xt.f128); @@ -3518,12 +3513,9 @@ void helper_xssubqp(CPUPPCState *env, uint32_t opcode) env->fp_status.float_exception_flags |= tstat.float_exception_flags; if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { - if (float128_is_infinity(xa.f128) && float128_is_infinity(xb.f128)) { - float_invalid_op_vxisi(env, 1, GETPC()); - } else if (float128_is_signaling_nan(xa.f128, &tstat) || - float128_is_signaling_nan(xb.f128, &tstat)) { - float_invalid_op_vxsnan(env, GETPC()); - } + float_invalid_op_addsub(env, 1, GETPC(), + float128_classify(xa.f128) | + float128_classify(xb.f128)); } helper_compute_fprf_float128(env, xt.f128); |