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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 29/54] target/loongarch: Use normal float_status in fclass_s and fclass_d helpers, (continued)
- [PATCH v2 for-10.0 29/54] target/loongarch: Use normal float_status in fclass_s and fclass_d helpers, 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 50/54] target/xtensa: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 47/54] target/rx: 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 33/54] target/ppc: Use env->fp_status in helper_compute_fprf functions, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 23/54] target/xtensa: Set Float3NaNPropRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 52/54] target/riscv: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 37/54] target/i386: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 45/54] target/ppc: Set default NaN pattern explicitly, 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 21/54] target/sparc: Set Float3NaNPropRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 32/54] target/sparc: Initialize local scratch float_status from env->fp_status, 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 35/54] tests/fp: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 40/54] target/arm: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 15/54] softfloat: Allow runtime choice of NaN propagation for muladd, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 10/54] target/xtensa: Set FloatInfZeroNaNRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 46/54] target/sh4: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 49/54] target/sparc: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02