Re: [Qemu-devel] [PATCH] fpu: Correct edgecase in float64_muladd

2013-04-15 Thread Aurelien Jarno
On Fri, Apr 12, 2013 at 04:37:52PM +0100, Peter Maydell wrote: > In handling float64_muladd, if we end up doing a subtraction of the > product and c, and the 128 bit result of this subtraction happens to > have its most significant bit in bit 63, we weren't handling this > correctly when attempting

Re: [Qemu-devel] [PATCH] fpu: Correct edgecase in float64_muladd

2013-04-13 Thread Aurelien Jarno
On Fri, Apr 12, 2013 at 04:37:52PM +0100, Peter Maydell wrote: > In handling float64_muladd, if we end up doing a subtraction of the > product and c, and the 128 bit result of this subtraction happens to > have its most significant bit in bit 63, we weren't handling this > correctly when attempting