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| author | Richard Henderson | 2021-12-17 17:57:14 +0100 |
|---|---|---|
| committer | Cédric Le Goater | 2021-12-17 17:57:14 +0100 |
| commit | ba11446c40903b9d97fb75a078d43fee6444d3b6 (patch) | |
| tree | 68165c226f71f5cee32555fa6057c1dcb4de8ea1 | |
| parent | softfloat: Extend float_exception_flags to 16 bits (diff) | |
| download | qemu-ba11446c40903b9d97fb75a078d43fee6444d3b6.tar.gz qemu-ba11446c40903b9d97fb75a078d43fee6444d3b6.tar.xz qemu-ba11446c40903b9d97fb75a078d43fee6444d3b6.zip | |
softfloat: Add flag specific to Inf - Inf
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>
Message-Id: <20211119160502.17432-3-richard.henderson@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
| -rw-r--r-- | fpu/softfloat-parts.c.inc | 3 | ||||
| -rw-r--r-- | include/fpu/softfloat-types.h | 1 |
2 files changed, 3 insertions, 1 deletions
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; 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 */ }; /* |