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[PATCH v2 for-10.0 39/54] target/alpha: Set default NaN pattern explicit
From: |
Peter Maydell |
Subject: |
[PATCH v2 for-10.0 39/54] target/alpha: Set default NaN pattern explicitly |
Date: |
Mon, 2 Dec 2024 13:13:32 +0000 |
Set the default NaN pattern explicitly for the alpha target.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/alpha/cpu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/target/alpha/cpu.c b/target/alpha/cpu.c
index 5d75c941f7a..70f67e6fd4e 100644
--- a/target/alpha/cpu.c
+++ b/target/alpha/cpu.c
@@ -199,6 +199,8 @@ static void alpha_cpu_initfn(Object *obj)
* operand in Fa. That is float_2nan_prop_ba.
*/
set_float_2nan_prop_rule(float_2nan_prop_x87, &env->fp_status);
+ /* Default NaN: sign bit clear, msb frac bit set */
+ set_float_default_nan_pattern(0b01000000, &env->fp_status);
#if defined(CONFIG_USER_ONLY)
env->flags = ENV_FLAG_PS_USER | ENV_FLAG_FEN;
cpu_alpha_store_fpcr(env, (uint64_t)(FPCR_INVD | FPCR_DZED | FPCR_OVFD
--
2.34.1
- [PATCH v2 for-10.0 36/54] target/microblaze: Set default NaN pattern explicitly, (continued)
- [PATCH v2 for-10.0 36/54] target/microblaze: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 38/54] target/hppa: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 28/54] softfloat: Create floatx80 default NaN from parts64_default_nan, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 19/54] target/ppc: Set Float3NaNPropRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 43/54] target/mips: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 13/54] target/hppa: Set FloatInfZeroNaNRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 16/54] tests/fp: Explicitly set 3-NaN propagation rule, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 48/54] target/s390x: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 07/54] target/ppc: Set FloatInfZeroNaNRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 31/54] target/m68k: Init local float_status from env fp_status in gdb get/set reg, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 39/54] target/alpha: Set default NaN pattern explicitly,
Peter Maydell <=
- [PATCH v2 for-10.0 18/54] target/loongarch: Set Float3NaNPropRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 53/54] target/tricore: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 21/54] target/sparc: Set Float3NaNPropRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 12/54] target/loongarch: Set FloatInfZeroNaNRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 42/54] target/m68k: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 24/54] target/i386: Set Float3NaNPropRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 51/54] target/hexagon: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 54/54] fpu: Remove default handling for dnan_pattern, Peter Maydell, 2024/12/02