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[PATCH 02/35] softfloat: Add flag specific to Inf - Inf
From: |
Richard Henderson |
Subject: |
[PATCH 02/35] softfloat: Add flag specific to Inf - Inf |
Date: |
Fri, 19 Nov 2021 17:04:29 +0100 |
PowerPC has this flag, and it's easier to compute it here
than after the fact.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
include/fpu/softfloat-types.h | 1 +
fpu/softfloat-parts.c.inc | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/fpu/softfloat-types.h b/include/fpu/softfloat-types.h
index 65a43aff59..eaa12e1e00 100644
--- a/include/fpu/softfloat-types.h
+++ b/include/fpu/softfloat-types.h
@@ -152,6 +152,7 @@ enum {
float_flag_inexact = 0x0010,
float_flag_input_denormal = 0x0020,
float_flag_output_denormal = 0x0040,
+ float_flag_invalid_isi = 0x0080, /* inf - inf */
};
/*
diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc
index 41d4b17e41..eb2b475ca4 100644
--- a/fpu/softfloat-parts.c.inc
+++ b/fpu/softfloat-parts.c.inc
@@ -354,7 +354,7 @@ static FloatPartsN *partsN(addsub)(FloatPartsN *a,
FloatPartsN *b,
return a;
}
/* Inf - Inf */
- float_raise(float_flag_invalid, s);
+ float_raise(float_flag_invalid | float_flag_invalid_isi, s);
parts_default_nan(a, s);
return a;
}
@@ -494,6 +494,7 @@ static FloatPartsN *partsN(muladd)(FloatPartsN *a,
FloatPartsN *b,
if (ab_mask & float_cmask_inf) {
if (c->cls == float_class_inf && a->sign != c->sign) {
+ float_raise(float_flag_invalid | float_flag_invalid_isi, s);
goto d_nan;
}
goto return_inf;
--
2.25.1
- [RFC PATCH for-7.0 00/35] target/ppc fpu fixes and cleanups, Richard Henderson, 2021/11/19
- [PATCH 01/35] softfloat: Extend float_exception_flags to 16 bits, Richard Henderson, 2021/11/19
- [PATCH 04/35] softfloat: Add flags specific to Inf / Inf and 0 / 0, Richard Henderson, 2021/11/19
- [PATCH 02/35] softfloat: Add flag specific to Inf - Inf,
Richard Henderson <=
- [PATCH 03/35] softfloat: Add flag specific to Inf * 0, Richard Henderson, 2021/11/19
- [PATCH 07/35] softfloat: Add flag specific to signaling nans, Richard Henderson, 2021/11/19
- [PATCH 08/35] target/ppc: Update float_invalid_op_addsub for new flags, Richard Henderson, 2021/11/19
- [PATCH 05/35] softfloat: Add flag specific to sqrt(-x), Richard Henderson, 2021/11/19
- [PATCH 06/35] softfloat: Add flag specific to convert non-nan to int, Richard Henderson, 2021/11/19
- [PATCH 10/35] target/ppc: Update float_invalid_op_div for new flags, Richard Henderson, 2021/11/19
- [PATCH 11/35] target/ppc: Move float_check_status from FPU_FCTI to translate, Richard Henderson, 2021/11/19
- [PATCH 09/35] target/ppc: Update float_invalid_op_mul for new flags, Richard Henderson, 2021/11/19
- [PATCH 12/35] target/ppc: Update float_invalid_cvt for new flags, Richard Henderson, 2021/11/19
- [PATCH 15/35] target/ppc: Use FloatRoundMode in do_fri, Richard Henderson, 2021/11/19