Hi Jakub, > On Tue, Jul 02, 2019 at 04:43:54PM +0000, Tamar Christina wrote: >> --- /dev/null >> +++ b/gcc/testsuite/gcc.dg/type-convert-var.c >> @@ -0,0 +1,9 @@ >> +/* { dg-do compile } */ >> +/* { dg-additional-options "-O1 -fdump-tree-optimized" } */ >> +void foo (float a, float b, float *c) >> +{ >> + double e = (double)a * (double)b; >> + *c = (float)e; >> +} >> + >> +/* { dg-final { scan-tree-dump-not {double} "optimized" } } */ >> > > This new testcase FAILs e.g. on i686-linux. The problem is that
this is PR middle-end/91282. > with no dg-options, the testcase options default to -ansi, which > implies -fexcess-precision=standard. On i686-linux, that is conversion to > long double which must (and does) survive until expansion. > > Fixed by using -fexcess-precision=fast, tested on x86_64-linux and > i686-linux, ok for trunk? > > 2019-07-30 Jakub Jelinek <ja...@redhat.com> > > * gcc.dg/type-convert-var.c: Add -0fexcess-precision=fast to ^ typo Rainer -- ----------------------------------------------------------------------------- Rainer Orth, Center for Biotechnology, Bielefeld University