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authorPeter Maydell <peter.maydell@linaro.org>2024-11-05 10:09:54 +0000
committerPeter Maydell <peter.maydell@linaro.org>2024-11-05 10:09:54 +0000
commit841f9d74751f8615dbc6215504db7abbc0ebff5e (patch)
tree6dec1516611b5cf9060f811b23bd408e77727d25
parent2915876e035088d516d88394028903064072543e (diff)
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target/s390x: Explicitly set 2-NaN propagation rule
Set the 2-NaN propagation rule explicitly in env->fpu_status. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20241025141254.2141506-8-peter.maydell@linaro.org
-rw-r--r--fpu/softfloat-specialize.c.inc5
-rw-r--r--target/s390x/cpu.c1
2 files changed, 3 insertions, 3 deletions
diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index 4e51cf8..a0c740e 100644
--- a/fpu/softfloat-specialize.c.inc
+++ b/fpu/softfloat-specialize.c.inc
@@ -403,10 +403,9 @@ static int pickNaN(FloatClass a_cls, FloatClass b_cls,
#if defined(TARGET_AVR) || defined(TARGET_HEXAGON) \
|| defined(TARGET_RISCV) || defined(TARGET_SH4) \
|| defined(TARGET_TRICORE) || defined(TARGET_ARM) || defined(TARGET_MIPS) \
- || defined(TARGET_LOONGARCH64) || defined(TARGET_HPPA)
+ || defined(TARGET_LOONGARCH64) || defined(TARGET_HPPA) \
+ || defined(TARGET_S390X)
g_assert_not_reached();
-#elif defined(TARGET_S390X)
- rule = float_2nan_prop_s_ab;
#elif defined(TARGET_PPC) || defined(TARGET_M68K)
/*
* PowerPC propagation rules:
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index 4e41a3d..514c70f 100644
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -205,6 +205,7 @@ static void s390_cpu_reset_hold(Object *obj, ResetType type)
/* tininess for underflow is detected before rounding */
set_float_detect_tininess(float_tininess_before_rounding,
&env->fpu_status);
+ set_float_2nan_prop_rule(float_2nan_prop_s_ab, &env->fpu_status);
/* fall through */
case RESET_TYPE_S390_CPU_NORMAL:
env->psw.mask &= ~PSW_MASK_RI;