Hi, On Thu, 4 Jun 2020 at 01:03, Jeff Law via Gcc-patches <gcc-patches@gcc.gnu.org> wrote: > > On Fri, 2020-01-31 at 15:50 -0300, Vitor Guidi wrote: > > I took the required steps. The patch is attached to this email, I hope > > I got it right this time. I did not forward the patch to gcc-patches > > the first time, sorry for the inconvenience. > > > > Thank you for your attention, > > > > Vitor. > > > > in gcc/ChangeLog: > > 2020-01-28 Vitor Guidi <vitor.gu...@usp.br> > > * match.pd: New substitution rule for tanh(x)/sinh(x) -> > > 1.0/cosh(x). > > > > in gcc/testsuite/ChangeLog: > > 2020-01-28 Vitor Guidi <vitor.gu...@usp.br> > > *gcc.dg/tanhbysinh.c (new): New testcase. > Thanks. I've installed this on the trunk. Sorry for the delays.
The new test fails on bare-metal targets (with newlib) such as arm-eabi, aarch64-elf, moxie and pru: PASS: gcc.dg/tanhbysinh.c (test for excess errors) PASS: gcc.dg/tanhbysinh.c scan-tree-dump optimized "cosh " FAIL: gcc.dg/tanhbysinh.c scan-tree-dump optimized "coshf " FAIL: gcc.dg/tanhbysinh.c scan-tree-dump optimized "coshl " I didn't check the dumps manually; why does the optimization depend on the lib version? Thanks Christophe > > jeff > > >
