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target/ppc: Split out do_fmadd

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Create a common function for all of the madd helpers.
Let the compiler tail call or inline as it chooses.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211119160502.17432-20-richard.henderson@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Richard Henderson 2021-12-17 17:57:15 +01:00 committed by Cédric Le Goater
parent e4052bb773
commit ffdaff8e9c
1 changed files with 18 additions and 15 deletions
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33
target/ppc/fpu_helper.c
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@ -693,23 +693,26 @@ static void float_invalid_op_madd(CPUPPCState *env, int flags,
}
}
#define FPU_FMADD(op, madd_flags) \
uint64_t helper_##op(CPUPPCState *env, uint64_t arg1, \
uint64_t arg2, uint64_t arg3) \
{ \
uint32_t flags; \
float64 ret = float64_muladd(arg1, arg2, arg3, madd_flags, \
&env->fp_status); \
flags = get_float_exception_flags(&env->fp_status); \
if (flags) { \
if (flags & float_flag_invalid) { \
float_invalid_op_madd(env, flags, 1, GETPC()); \
} \
do_float_check_status(env, GETPC()); \
} \
return ret; \
static float64 do_fmadd(CPUPPCState *env, float64 a, float64 b,
float64 c, int madd_flags, uintptr_t retaddr)
{
float64 ret = float64_muladd(a, b, c, madd_flags, &env->fp_status);
int flags = get_float_exception_flags(&env->fp_status);
if (flags) {
if (flags & float_flag_invalid) {
float_invalid_op_madd(env, flags, 1, retaddr);
}
do_float_check_status(env, retaddr);
}
return ret;
}
#define FPU_FMADD(op, madd_flags) \
uint64_t helper_##op(CPUPPCState *env, uint64_t arg1, \
uint64_t arg2, uint64_t arg3) \
{ return do_fmadd(env, arg1, arg2, arg3, madd_flags, GETPC()); }
#define MADD_FLGS 0
#define MSUB_FLGS float_muladd_negate_c
#define NMADD_FLGS float_muladd_negate_result