ICC apparently optimises 0 * anything directly to zero, even when it should be doing a multiplication to conform to IEEE requirements. GCC in fast-math mode does the same, but that also makes the rest of the function unreliable, so we try to turn off fast-math mode if we can. Task-number: QTBUG-22340 Change-Id: I0e3c5f4927b0a6bcb3189bb156c18843fc4b29b9 Reviewed-by: Caroline Chao <caroline.chao@digia.com> |
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