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[PATCH v2 for-10.0 12/54] target/loongarch: Set FloatInfZeroNaNRule expl
From: |
Peter Maydell |
Subject: |
[PATCH v2 for-10.0 12/54] target/loongarch: Set FloatInfZeroNaNRule explicitly |
Date: |
Mon, 2 Dec 2024 13:13:05 +0000 |
Set the FloatInfZeroNaNRule explicitly for the loongarch target.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
target/loongarch/tcg/fpu_helper.c | 5 +++++
fpu/softfloat-specialize.c.inc | 7 +------
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/target/loongarch/tcg/fpu_helper.c
b/target/loongarch/tcg/fpu_helper.c
index 21bc3b04a96..6a2c4b5b1db 100644
--- a/target/loongarch/tcg/fpu_helper.c
+++ b/target/loongarch/tcg/fpu_helper.c
@@ -32,6 +32,11 @@ void restore_fp_status(CPULoongArchState *env)
&env->fp_status);
set_flush_to_zero(0, &env->fp_status);
set_float_2nan_prop_rule(float_2nan_prop_s_ab, &env->fp_status);
+ /*
+ * For LoongArch systems that conform to IEEE754-2008, the (inf,zero,nan)
+ * case sets InvalidOp and returns the input value 'c'
+ */
+ set_float_infzeronan_rule(float_infzeronan_dnan_never, &env->fp_status);
}
int ieee_ex_to_loongarch(int xcpt)
diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index ad4f7096d09..05dec2fcb4c 100644
--- a/fpu/softfloat-specialize.c.inc
+++ b/fpu/softfloat-specialize.c.inc
@@ -489,12 +489,7 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass
b_cls, FloatClass c_cls,
/*
* Temporarily fall back to ifdef ladder
*/
-#if defined(TARGET_HPPA) || \
- defined(TARGET_LOONGARCH)
- /*
- * For LoongArch systems that conform to IEEE754-2008, the
(inf,zero,nan)
- * case sets InvalidOp and returns the input value 'c'
- */
+#if defined(TARGET_HPPA)
rule = float_infzeronan_dnan_never;
#endif
}
--
2.34.1
- [PATCH v2 for-10.0 47/54] target/rx: Set default NaN pattern explicitly, (continued)
- [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, 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 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 <=
- [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
- [PATCH v2 for-10.0 53/54] target/tricore: 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