On 24/01/2020 14:58, Andrew Stubbs wrote:
I've committed this patch to fix an ICE building the gcc.dg/vect/fast-math-pr55281.c testcase.
Oops, I got that crossed. This was the fix for gcc.dg/pr50310-2.c. The fast-math-pr55281.c fix will be posted shortly.
The problem was that the combine pass was trying to use the "unle" and "ungt" FP comparison operators. There's no hardware support for these, so the operators should have been rejected, but the predicates were too loose.Andrew
