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target/ppc: Tidy inexact handling in do_fri 

In GEN_FLOAT_B, we called helper_reset_fpstatus immediately
before calling helper_fri*.  Therefore get_float_exception_flags
is known to be zero, and this code can be simplified.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211119160502.17432-17-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 6bce077777
commit 1348d20b16
1 changed files with 1 additions and 5 deletions
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6
target/ppc/fpu_helper.c
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@ -654,16 +654,12 @@ static uint64_t do_fri(CPUPPCState *env, uint64_t arg,
float_invalid_op_vxsnan(env, GETPC());
farg.ll = arg | 0x0008000000000000ULL;
} else {
int inexact = get_float_exception_flags(&env->fp_status) &
float_flag_inexact;
set_float_rounding_mode(rounding_mode, &env->fp_status);
farg.ll = float64_round_to_int(farg.d, &env->fp_status);
set_float_rounding_mode(old_rounding_mode, &env->fp_status);
/* fri* does not set FPSCR[XX] */
if (!inexact) {
env->fp_status.float_exception_flags &= ~float_flag_inexact;
}
env->fp_status.float_exception_flags &= ~float_flag_inexact;
}
do_float_check_status(env, GETPC());
return farg.ll;