Re: [PATCH] PR rtl-optimization 61494: Preserve x-0.0 with HONOR_SNANS.

2020-08-03 Thread Richard Biener via Gcc-patches
On Sun, Aug 2, 2020 at 12:02 PM Roger Sayle wrote: > > > The following patch avoids simplifying x-0.0 to x when -fsignaling-nans is > specified, > which resolves PR rtl-optimization 61494. Indeed, running the test program > attached > to that PR now reports no failures. Alas reducing that valida

[PATCH] PR rtl-optimization 61494: Preserve x-0.0 with HONOR_SNANS.

2020-08-02 Thread Roger Sayle
The following patch avoids simplifying x-0.0 to x when -fsignaling-nans is specified, which resolves PR rtl-optimization 61494. Indeed, running the test program attached to that PR now reports no failures. Alas reducing that validation program to a portable test for the GCC testsuite is a challe

[PATCH] PR rtl-optimization 61494: Preserve x-0.0 with HONOR_SNANS.

2020-08-02 Thread Roger Sayle
The following patch avoids simplifying x-0.0 to x when -fsignaling-nans is specified, which resolves PR rtl-optimization 61494. Indeed, running the test program attached to that PR now reports no failures. Alas reducing that validation program to a portable test for the GCC testsuite is a challe