Re: [AArch64] Fix for gcc-7 regression PR 80530

2017-04-27 Thread Richard Earnshaw (lists)
On 27/04/17 14:26, Jakub Jelinek wrote: > On Thu, Apr 27, 2017 at 01:32:11PM +0100, Richard Earnshaw (lists) wrote: >> This patch fixes the regression caused by the changes to add square root >> estimation when compiling for xgene-1 or exynos-m1 targets. >> >> The issue is that the expand path for

Re: [AArch64] Fix for gcc-7 regression PR 80530

2017-04-27 Thread Jakub Jelinek
On Thu, Apr 27, 2017 at 01:32:11PM +0100, Richard Earnshaw (lists) wrote: > This patch fixes the regression caused by the changes to add square root > estimation when compiling for xgene-1 or exynos-m1 targets. > > The issue is that the expand path for the reciprocal estimate square > root pattern

[AArch64] Fix for gcc-7 regression PR 80530

2017-04-27 Thread Richard Earnshaw (lists)
This patch fixes the regression caused by the changes to add square root estimation when compiling for xgene-1 or exynos-m1 targets. The issue is that the expand path for the reciprocal estimate square root pattern assumes that pattern cannot fail once it has been decided that this expansion path