From: Peter Maydell Date: Tue, 5 Nov 2024 10:09:54 +0000 (+0000) Subject: target/s390x: Explicitly set 2-NaN propagation rule X-Git-Tag: v9.2.0-rc0~15^2~24 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=841f9d74751f8615dbc6215504db7abbc0ebff5e;p=thirdparty%2Fqemu.git target/s390x: Explicitly set 2-NaN propagation rule Set the 2-NaN propagation rule explicitly in env->fpu_status. Signed-off-by: Peter Maydell Reviewed-by: Ilya Leoshkevich Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-id: 20241025141254.2141506-8-peter.maydell@linaro.org --- diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc index 4e51cf8d083..a0c740e544d 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 4e41a3dff59..514c70f3010 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;