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[PATCH v2 for-10.0 50/54] target/xtensa: Set default NaN pattern explici
From: |
Peter Maydell |
Subject: |
[PATCH v2 for-10.0 50/54] target/xtensa: Set default NaN pattern explicitly |
Date: |
Mon, 2 Dec 2024 13:13:43 +0000 |
Set the default NaN pattern explicitly for xtensa.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/xtensa/cpu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c
index 3163b758235..0d4d79b58b4 100644
--- a/target/xtensa/cpu.c
+++ b/target/xtensa/cpu.c
@@ -136,6 +136,8 @@ static void xtensa_cpu_reset_hold(Object *obj, ResetType
type)
/* For inf * 0 + NaN, return the input NaN */
set_float_infzeronan_rule(float_infzeronan_dnan_never, &env->fp_status);
set_no_signaling_nans(!dfpu, &env->fp_status);
+ /* Default NaN value: sign bit clear, set frac msb */
+ set_float_default_nan_pattern(0b01000000, &env->fp_status);
xtensa_use_first_nan(env, !dfpu);
}
--
2.34.1
- [PATCH v2 for-10.0 23/54] target/xtensa: Set Float3NaNPropRule explicitly, (continued)
- [PATCH v2 for-10.0 23/54] target/xtensa: Set Float3NaNPropRule 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 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 09/54] target/sparc: Set FloatInfZeroNaNRule 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 32/54] target/sparc: Initialize local scratch float_status from env->fp_status, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 50/54] target/xtensa: Set default NaN pattern explicitly,
Peter Maydell <=
- [PATCH v2 for-10.0 19/54] target/ppc: Set Float3NaNPropRule 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 49/54] target/sparc: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 41/54] target/loongarch: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 08/54] target/mips: Set FloatInfZeroNaNRule 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