mirror of https://gitee.com/openkylin/qemu.git
38 lines
1.1 KiB
PHP
38 lines
1.1 KiB
PHP
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/*
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* QEMU float support
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*
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* The code in this source file is derived from release 2a of the SoftFloat
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* IEC/IEEE Floating-point Arithmetic Package. Those parts of the code (and
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* some later contributions) are provided under that license, as detailed below.
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* It has subsequently been modified by contributors to the QEMU Project,
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* so some portions are provided under:
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* the SoftFloat-2a license
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* the BSD license
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* GPL-v2-or-later
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*
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* Any future contributions to this file after December 1st 2014 will be
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* taken to be licensed under the Softfloat-2a license unless specifically
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* indicated otherwise.
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*/
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static void partsN(return_nan)(FloatPartsN *a, float_status *s)
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{
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switch (a->cls) {
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case float_class_snan:
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float_raise(float_flag_invalid, s);
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if (s->default_nan_mode) {
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parts_default_nan(a, s);
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} else {
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parts_silence_nan(a, s);
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}
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break;
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case float_class_qnan:
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if (s->default_nan_mode) {
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parts_default_nan(a, s);
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}
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break;
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default:
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g_assert_not_reached();
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}
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}
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