On Mon, Jul 11, 2016 at 02:38:50PM -0500, Bill Schmidt wrote: > It was recently brought to my attention that glibc needs access to complex > multiply and divide for IEEE-128 floating-point in GCC 6.2 in order to move > ahead with the library implementation work. This patch enables this support > using only target-specific changes to avoid any possible effect on other > targets. This is not the correct long-term approach, and I am working on a > patch that instead makes use of the common infrastructure. The plan is to > use the current patch for GCC 6, and replace it with the other approach in > GCC 7 shortly. > > Thus this patch copies the common code for complex multiply and divide out > of libgcc2.c into separate Power-specific files, and specializes it for > the KC type. It adds a couple of straightforward tests to verify that the > approach works. I've tested the code generated for these tests on a POWER9 > simulator as well as a POWER8 machine. > > Bootstrapped and tested on powerpc64le-unknown-linux-gnu with no regressions. > I've also asked the glibc team to verify that this serves their requirements. > Is this ok for trunk, and for gcc-6-branch after a short burn-in period?
Okay for both. Ugly :-) Segher
