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[PATCH v2 for-10.0 51/54] target/hexagon: Set default NaN pattern explic
From: |
Peter Maydell |
Subject: |
[PATCH v2 for-10.0 51/54] target/hexagon: Set default NaN pattern explicitly |
Date: |
Mon, 2 Dec 2024 13:13:44 +0000 |
Set the default NaN pattern explicitly for hexagon.
Remove the ifdef from parts64_default_nan(); the only
remaining unconverted targets all use the default case.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/hexagon/cpu.c | 2 ++
fpu/softfloat-specialize.c.inc | 5 -----
2 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c
index 020038fc490..c9aa9408ec8 100644
--- a/target/hexagon/cpu.c
+++ b/target/hexagon/cpu.c
@@ -286,6 +286,8 @@ static void hexagon_cpu_reset_hold(Object *obj, ResetType
type)
set_default_nan_mode(1, &env->fp_status);
set_float_detect_tininess(float_tininess_before_rounding, &env->fp_status);
+ /* Default NaN value: sign bit set, all frac bits set */
+ set_float_default_nan_pattern(0b11111111, &env->fp_status);
}
static void hexagon_cpu_disas_set_info(CPUState *s, disassemble_info *info)
diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index 06185237d0f..5954a6213b9 100644
--- a/fpu/softfloat-specialize.c.inc
+++ b/fpu/softfloat-specialize.c.inc
@@ -136,10 +136,6 @@ static void parts64_default_nan(FloatParts64 *p,
float_status *status)
uint8_t dnan_pattern = status->default_nan_pattern;
if (dnan_pattern == 0) {
-#if defined(TARGET_HEXAGON)
- /* Sign bit set, all frac bits set. */
- dnan_pattern = 0b11111111;
-#else
/*
* This case is true for Alpha, ARM, MIPS, OpenRISC, PPC, RISC-V,
* S390, SH4, TriCore, and Xtensa. Our other supported targets
@@ -152,7 +148,6 @@ static void parts64_default_nan(FloatParts64 *p,
float_status *status)
/* sign bit clear, set frac msb */
dnan_pattern = 0b01000000;
}
-#endif
}
assert(dnan_pattern != 0);
--
2.34.1
- [PATCH v2 for-10.0 13/54] target/hppa: Set FloatInfZeroNaNRule explicitly, (continued)
- [PATCH v2 for-10.0 13/54] target/hppa: Set FloatInfZeroNaNRule 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 41/54] target/loongarch: Set default NaN pattern explicitly, 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 44/54] target/openrisc: Set default NaN pattern 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 06/54] target/s390: Set FloatInfZeroNaNRule 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 14/54] softfloat: Pass have_snan to pickNaNMulAdd, 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 51/54] target/hexagon: Set default NaN pattern explicitly,
Peter Maydell <=
- [PATCH v2 for-10.0 48/54] target/s390x: Set default NaN pattern explicitly, 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 18/54] target/loongarch: Set Float3NaNPropRule explicitly, 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 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 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 38/54] target/hppa: Set default NaN pattern explicitly, 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 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