From: Richard Henderson <richard.henderson@linaro.org>

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>
---
 target/ppc/fpu_helper.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index 08f7c8837e17..853e0aad1d4e 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -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);
-- 
2.31.1