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[PATCH v2 for-10.0 10/54] target/xtensa: Set FloatInfZeroNaNRule explici
From: |
Peter Maydell |
Subject: |
[PATCH v2 for-10.0 10/54] target/xtensa: Set FloatInfZeroNaNRule explicitly |
Date: |
Mon, 2 Dec 2024 13:13:03 +0000 |
Set the FloatInfZeroNaNRule explicitly for the xtensa target,
so we can remove the ifdef from pickNaNMulAdd().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
target/xtensa/cpu.c | 2 ++
fpu/softfloat-specialize.c.inc | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c
index 6f9039abaee..3163b758235 100644
--- a/target/xtensa/cpu.c
+++ b/target/xtensa/cpu.c
@@ -133,6 +133,8 @@ static void xtensa_cpu_reset_hold(Object *obj, ResetType
type)
reset_mmu(env);
cs->halted = env->runstall;
#endif
+ /* 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);
xtensa_use_first_nan(env, !dfpu);
}
diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index 7e57e85348b..3062d19402d 100644
--- a/fpu/softfloat-specialize.c.inc
+++ b/fpu/softfloat-specialize.c.inc
@@ -489,7 +489,7 @@ static int pickNaNMulAdd(FloatClass a_cls, FloatClass
b_cls, FloatClass c_cls,
/*
* Temporarily fall back to ifdef ladder
*/
-#if defined(TARGET_XTENSA) || defined(TARGET_HPPA) || \
+#if defined(TARGET_HPPA) || \
defined(TARGET_I386) || defined(TARGET_LOONGARCH)
/*
* For LoongArch systems that conform to IEEE754-2008, the
(inf,zero,nan)
--
2.34.1
- [PATCH v2 for-10.0 01/54] fpu: handle raising Invalid for infzero in pick_nan_muladd, (continued)
- [PATCH v2 for-10.0 01/54] fpu: handle raising Invalid for infzero in pick_nan_muladd, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 02/54] fpu: Check for default_nan_mode before calling pickNaNMulAdd, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 03/54] softfloat: Allow runtime choice of inf * 0 + NaN result, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 05/54] target/arm: Set FloatInfZeroNaNRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 04/54] tests/fp: Explicitly set inf-zero-nan rule, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 14/54] softfloat: Pass have_snan to pickNaNMulAdd, 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 06/54] target/s390: Set FloatInfZeroNaNRule explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 20/54] target/s390x: Set Float3NaNPropRule 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 <=
- [PATCH v2 for-10.0 17/54] target/arm: Set Float3NaNPropRule 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 23/54] target/xtensa: Set Float3NaNPropRule 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 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 44/54] target/openrisc: 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 46/54] target/sh4: 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 25/54] target/hppa: Set Float3NaNPropRule explicitly, Peter Maydell, 2024/12/02