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[PATCH v2 for-10.0 41/54] target/loongarch: Set default NaN pattern expl
From: |
Peter Maydell |
Subject: |
[PATCH v2 for-10.0 41/54] target/loongarch: Set default NaN pattern explicitly |
Date: |
Mon, 2 Dec 2024 13:13:34 +0000 |
Set the default NaN pattern explicitly for loongarch.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/loongarch/tcg/fpu_helper.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/target/loongarch/tcg/fpu_helper.c
b/target/loongarch/tcg/fpu_helper.c
index aea5e0fe5e6..a83acf64b08 100644
--- a/target/loongarch/tcg/fpu_helper.c
+++ b/target/loongarch/tcg/fpu_helper.c
@@ -38,6 +38,8 @@ void restore_fp_status(CPULoongArchState *env)
*/
set_float_infzeronan_rule(float_infzeronan_dnan_never, &env->fp_status);
set_float_3nan_prop_rule(float_3nan_prop_s_cab, &env->fp_status);
+ /* Default NaN: sign bit clear, msb frac bit set */
+ set_float_default_nan_pattern(0b01000000, &env->fp_status);
}
int ieee_ex_to_loongarch(int xcpt)
--
2.34.1
- [PATCH v2 for-10.0 25/54] target/hppa: Set Float3NaNPropRule explicitly, (continued)
- [PATCH v2 for-10.0 25/54] target/hppa: Set Float3NaNPropRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 26/54] fpu: Remove use_first_nan field from float_status, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 27/54] target/m68k: Don't pass NULL float_status to floatx80_default_nan(), Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 30/54] target/m68k: In frem helper, initialize local 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, 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 37/54] target/i386: 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 52/54] target/riscv: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 22/54] target/mips: Set Float3NaNPropRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 41/54] target/loongarch: Set default NaN pattern explicitly,
Peter Maydell <=
- [PATCH v2 for-10.0 49/54] target/sparc: Set default NaN pattern explicitly, 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 34/54] fpu: Allow runtime choice of default NaN value, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 11/54] target/x86: Set FloatInfZeroNaNRule explicitly, Peter Maydell, 2024/12/02
- [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