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[PULL 56/72] target/xtensa: Set default NaN pattern explicitly
From: |
Peter Maydell |
Subject: |
[PULL 56/72] target/xtensa: Set default NaN pattern explicitly |
Date: |
Wed, 11 Dec 2024 16:19:48 +0000 |
Set the default NaN pattern explicitly for xtensa.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241202131347.498124-51-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
- [PULL 47/72] target/loongarch: Set default NaN pattern explicitly, (continued)
- [PULL 47/72] target/loongarch: Set default NaN pattern explicitly, Peter Maydell, 2024/12/11
- [PULL 48/72] target/m68k: Set default NaN pattern explicitly, Peter Maydell, 2024/12/11
- [PULL 50/72] target/openrisc: Set default NaN pattern explicitly, Peter Maydell, 2024/12/11
- [PULL 49/72] target/mips: Set default NaN pattern explicitly, Peter Maydell, 2024/12/11
- [PULL 51/72] target/ppc: Set default NaN pattern explicitly, Peter Maydell, 2024/12/11
- [PULL 52/72] target/sh4: Set default NaN pattern explicitly, Peter Maydell, 2024/12/11
- [PULL 60/72] fpu: Remove default handling for dnan_pattern, Peter Maydell, 2024/12/11
- [PULL 61/72] softfloat: Inline pickNaNMulAdd, Peter Maydell, 2024/12/11
- [PULL 55/72] target/sparc: Set default NaN pattern explicitly, Peter Maydell, 2024/12/11
- [PULL 54/72] target/s390x: Set default NaN pattern explicitly, Peter Maydell, 2024/12/11
- [PULL 56/72] target/xtensa: Set default NaN pattern explicitly,
Peter Maydell <=
- [PULL 58/72] target/riscv: Set default NaN pattern explicitly, Peter Maydell, 2024/12/11
- [PULL 63/72] softfloat: Remove which from parts_pick_nan_muladd, Peter Maydell, 2024/12/11
- [PULL 59/72] target/tricore: Set default NaN pattern explicitly, Peter Maydell, 2024/12/11
- [PULL 62/72] softfloat: Use goto for default nan case in pick_nan_muladd, Peter Maydell, 2024/12/11
- [PULL 70/72] softfloat: Replace WHICH with RET in parts_pick_nan, Peter Maydell, 2024/12/11
- [PULL 66/72] softfloat: Use parts_pick_nan in propagateFloatx80NaN, Peter Maydell, 2024/12/11
- [PULL 65/72] softfloat: Move propagateFloatx80NaN to softfloat.c, Peter Maydell, 2024/12/11
- [PULL 68/72] softfloat: Share code between parts_pick_nan cases, Peter Maydell, 2024/12/11
- [PULL 71/72] MAINTAINERS: update email address for Leif Lindholm, Peter Maydell, 2024/12/11
- [PULL 69/72] softfloat: Sink frac_cmp in parts_pick_nan until needed, Peter Maydell, 2024/12/11