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[PATCH v2 for-10.0 36/54] target/microblaze: Set default NaN pattern exp
From: |
Peter Maydell |
Subject: |
[PATCH v2 for-10.0 36/54] target/microblaze: Set default NaN pattern explicitly |
Date: |
Mon, 2 Dec 2024 13:13:29 +0000 |
Set the default NaN pattern explicitly, and remove the ifdef from
parts64_default_nan().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/microblaze/cpu.c | 2 ++
fpu/softfloat-specialize.c.inc | 3 +--
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c
index 710eb1146c1..0e1e22d1e8e 100644
--- a/target/microblaze/cpu.c
+++ b/target/microblaze/cpu.c
@@ -207,6 +207,8 @@ static void mb_cpu_reset_hold(Object *obj, ResetType type)
* this architecture.
*/
set_float_2nan_prop_rule(float_2nan_prop_x87, &env->fp_status);
+ /* Default NaN: sign bit set, most significant frac bit set */
+ set_float_default_nan_pattern(0b11000000, &env->fp_status);
#if defined(CONFIG_USER_ONLY)
/* start in user mode with interrupts enabled. */
diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index b1ec534983c..d77404f0c47 100644
--- a/fpu/softfloat-specialize.c.inc
+++ b/fpu/softfloat-specialize.c.inc
@@ -139,8 +139,7 @@ static void parts64_default_nan(FloatParts64 *p,
float_status *status)
#if defined(TARGET_SPARC) || defined(TARGET_M68K)
/* Sign bit clear, all frac bits set */
dnan_pattern = 0b01111111;
-#elif defined(TARGET_I386) || defined(TARGET_X86_64) \
- || defined(TARGET_MICROBLAZE)
+#elif defined(TARGET_I386) || defined(TARGET_X86_64)
/* Sign bit set, most significant frac bit set */
dnan_pattern = 0b11000000;
#elif defined(TARGET_HPPA)
--
2.34.1
- [PATCH v2 for-10.0 45/54] target/ppc: Set default NaN pattern explicitly, (continued)
- [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, 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 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 <=
- [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
- [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 48/54] target/s390x: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02
- [PATCH v2 for-10.0 07/54] target/ppc: Set FloatInfZeroNaNRule explicitly, 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 39/54] target/alpha: Set default NaN pattern explicitly, Peter Maydell, 2024/12/02