diff options
| author | Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> | 2017-03-04 19:32:08 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2017-03-06 13:17:28 +1100 |
| commit | 3e5b26cf57a28c2e33655205d8f49e633a75fa8c (patch) | |
| tree | 14e8135c3f60f43b60ea88bda18d3b0a7704afc1 /target | |
| parent | 806c9d71abbcd283c0a6d8250e5a6db951ba9494 (diff) | |
| download | qemu-3e5b26cf57a28c2e33655205d8f49e633a75fa8c.tar.gz | |
target/ppc: fmadd: add macro for updating flags
Adds FPU_MADDSUB_UPDATE macro, this will be used for other routines
having float32/16
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target')
| -rw-r--r-- | target/ppc/fpu_helper.c | 61 |
1 files changed, 30 insertions, 31 deletions
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index a547f58e3e..13bd6ce35c 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -743,38 +743,37 @@ uint64_t helper_frim(CPUPPCState *env, uint64_t arg) return do_fri(env, arg, float_round_down); } -static void float64_maddsub_update_excp(CPUPPCState *env, float64 arg1, - float64 arg2, float64 arg3, - unsigned int madd_flags) -{ - if (unlikely(float64_is_signaling_nan(arg1, &env->fp_status) || - float64_is_signaling_nan(arg2, &env->fp_status) || - float64_is_signaling_nan(arg3, &env->fp_status))) { - /* sNaN operation */ - float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1); - } - - if (unlikely((float64_is_infinity(arg1) && float64_is_zero(arg2)) || - (float64_is_zero(arg1) && float64_is_infinity(arg2)))) { - /* Multiplication of zero by infinity */ - float_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, 1); - } - - if ((float64_is_infinity(arg1) || float64_is_infinity(arg2)) && - float64_is_infinity(arg3)) { - uint8_t aSign, bSign, cSign; - - aSign = float64_is_neg(arg1); - bSign = float64_is_neg(arg2); - cSign = float64_is_neg(arg3); - if (madd_flags & float_muladd_negate_c) { - cSign ^= 1; - } - if (aSign ^ bSign ^ cSign) { - float_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1); - } - } +#define FPU_MADDSUB_UPDATE(NAME, TP) \ +static void NAME(CPUPPCState *env, TP arg1, TP arg2, TP arg3, \ + unsigned int madd_flags) \ +{ \ + if (TP##_is_signaling_nan(arg1, &env->fp_status) || \ + TP##_is_signaling_nan(arg2, &env->fp_status) || \ + TP##_is_signaling_nan(arg3, &env->fp_status)) { \ + /* sNaN operation */ \ + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1); \ + } \ + if ((TP##_is_infinity(arg1) && TP##_is_zero(arg2)) || \ + (TP##_is_zero(arg1) && TP##_is_infinity(arg2))) { \ + /* Multiplication of zero by infinity */ \ + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, 1); \ + } \ + if ((TP##_is_infinity(arg1) || TP##_is_infinity(arg2)) && \ + TP##_is_infinity(arg3)) { \ + uint8_t aSign, bSign, cSign; \ + \ + aSign = TP##_is_neg(arg1); \ + bSign = TP##_is_neg(arg2); \ + cSign = TP##_is_neg(arg3); \ + if (madd_flags & float_muladd_negate_c) { \ + cSign ^= 1; \ + } \ + if (aSign ^ bSign ^ cSign) { \ + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1); \ + } \ + } \ } +FPU_MADDSUB_UPDATE(float64_maddsub_update_excp, float64) #define FPU_FMADD(op, madd_flags) \ uint64_t helper_##op(CPUPPCState *env, uint64_t arg1, \ |