Re: [PATCH] Fix up gcc.dg/type-convert-var.c testcase (was Re: [GCC][middle-end] Add rules to strip away unneeded type casts in expressions (2nd patch))

[Jakub Jelinek <jakub@redhat.com>]

On Tue, Jul 30, 2019 at 09:05:35AM +0200, Rainer Orth wrote:
> > This new testcase FAILs e.g. on i686-linux.  The problem is that
> 
> this is PR middle-end/91282.

Indeed.

> > 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  <jakub@redhat.com>
> >
> > 	* gcc.dg/type-convert-var.c: Add -0fexcess-precision=fast to
>                                           ^ typo

Oops, fixed:

2019-07-30  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/91282
	* gcc.dg/type-convert-var.c: Add -fexcess-precision=fast to
	dg-additional-options.

--- gcc/testsuite/gcc.dg/type-convert-var.c.jj	2019-07-28 17:29:27.156351325 +0200
+++ gcc/testsuite/gcc.dg/type-convert-var.c	2019-07-30 08:51:33.349558035 +0200
@@ -1,5 +1,5 @@
 /* { dg-do compile } */
-/* { dg-additional-options "-O1 -fdump-tree-optimized" } */
+/* { dg-additional-options "-fexcess-precision=fast -O1 -fdump-tree-optimized" } */
 void foo (float a, float b, float *c)
 {
   double e = (double)a * (double)b;


	Jakub