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target/ppc: Update xsrqpi and xsrqpxp to new flags 

Use float_flag_invalid_snan instead of recomputing
the snan-ness of the operand.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211119160502.17432-26-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 3d3050cc8d
commit 053e23a694
1 changed files with 5 additions and 10 deletions
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15
target/ppc/fpu_helper.c
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@ -3138,11 +3138,8 @@ void helper_xsrqpi(CPUPPCState *env, uint32_t opcode,
t.f128 = float128_round_to_int(xb->f128, &tstat);
env->fp_status.float_exception_flags |= tstat.float_exception_flags;
if (unlikely(tstat.float_exception_flags & float_flag_invalid)) {
if (float128_is_signaling_nan(xb->f128, &tstat)) {
float_invalid_op_vxsnan(env, GETPC());
t.f128 = float128_snan_to_qnan(t.f128);
}
if (unlikely(tstat.float_exception_flags & float_flag_invalid_snan)) {
float_invalid_op_vxsnan(env, GETPC());
}
if (ex == 0 && (tstat.float_exception_flags & float_flag_inexact)) {
@ -3196,11 +3193,9 @@ void helper_xsrqpxp(CPUPPCState *env, uint32_t opcode,
t.f128 = floatx80_to_float128(round_res, &tstat);
env->fp_status.float_exception_flags |= tstat.float_exception_flags;
if (unlikely(tstat.float_exception_flags & float_flag_invalid)) {
if (float128_is_signaling_nan(xb->f128, &tstat)) {
float_invalid_op_vxsnan(env, GETPC());
t.f128 = float128_snan_to_qnan(t.f128);
}
if (unlikely(tstat.float_exception_flags & float_flag_invalid_snan)) {
float_invalid_op_vxsnan(env, GETPC());
t.f128 = float128_snan_to_qnan(t.f128);
}
helper_compute_fprf_float128(env, t.f128);