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author | Richard Henderson <richard.henderson@linaro.org> | 2020-10-23 17:12:12 -0700 |
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committer | Richard Henderson <richard.henderson@linaro.org> | 2021-05-16 07:13:51 -0500 |
commit | 979582d07115ff3c5c0c1f2bed90a2db91191281 (patch) | |
tree | b1c65c6b3cfaa447af77a340fd1f30b8dd69f75f /fpu/softfloat-parts.c.inc | |
parent | 22c355f41785f258689cbba0af1c1e78365c4180 (diff) | |
download | qemu-979582d07115ff3c5c0c1f2bed90a2db91191281.zip qemu-979582d07115ff3c5c0c1f2bed90a2db91191281.tar.gz qemu-979582d07115ff3c5c0c1f2bed90a2db91191281.tar.bz2 |
softfloat: Move pick_nan_muladd to softfloat-parts.c.inc
At the same time, convert to pointers, rename to pick_nan_muladd$N
and define a macro for pick_nan_muladd using QEMU_GENERIC.
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'fpu/softfloat-parts.c.inc')
-rw-r--r-- | fpu/softfloat-parts.c.inc | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc index 11a7165..a78d61e 100644 --- a/fpu/softfloat-parts.c.inc +++ b/fpu/softfloat-parts.c.inc @@ -60,3 +60,43 @@ static FloatPartsN *partsN(pick_nan)(FloatPartsN *a, FloatPartsN *b, } return a; } + +static FloatPartsN *partsN(pick_nan_muladd)(FloatPartsN *a, FloatPartsN *b, + FloatPartsN *c, float_status *s, + int ab_mask, int abc_mask) +{ + int which; + + if (unlikely(abc_mask & float_cmask_snan)) { + float_raise(float_flag_invalid, s); + } + + which = pickNaNMulAdd(a->cls, b->cls, c->cls, + ab_mask == float_cmask_infzero, s); + + if (s->default_nan_mode || which == 3) { + /* + * Note that this check is after pickNaNMulAdd so that function + * has an opportunity to set the Invalid flag for infzero. + */ + parts_default_nan(a, s); + return a; + } + + switch (which) { + case 0: + break; + case 1: + a = b; + break; + case 2: + a = c; + break; + default: + g_assert_not_reached(); + } + if (is_snan(a->cls)) { + parts_silence_nan(a, s); + } + return a; +} |