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Re: [PATCH libstdc++/66689] comp_ellint_3 and ellint_3 return garbage values
- From: Jonathan Wakely <jwakely at redhat dot com>
- To: Christophe Lyon <christophe dot lyon at linaro dot org>
- Cc: David Edelsohn <dje dot gcc at gmail dot com>, Ed Smith-Rowland <3dw4rd at verizon dot net>, "libstdc++ at gcc dot gnu dot org" <libstdc++ at gcc dot gnu dot org>, gcc-patches <gcc-patches at gcc dot gnu dot org>, Jonathan Wakely <jwakely dot gcc at gmail dot com>, redi at gcc dot gnu dot org
- Date: Mon, 20 Nov 2017 21:01:54 +0000
- Subject: Re: [PATCH libstdc++/66689] comp_ellint_3 and ellint_3 return garbage values
- Authentication-results: sourceware.org; auth=none
- References: <CAGWvnymGWZr2Cnei_GmGRNc24L=AkYvVAiSNAe16_xBtQQ_ZbQ@mail.gmail.com> <CAKdteOYtMKdVJPCuCQLW2eB+X8P_WtiHfvXN9oryt31ewOeR8Q@mail.gmail.com>
On 20/11/17 21:43 +0100, Christophe Lyon wrote:
On 20 November 2017 at 17:02, David Edelsohn <dje.gcc@gmail.com> wrote:
This patch has introduced new regressions on at least PowerPC and AArch64.
FAIL: ext/special_functions/hyperg/check_value.cc execution test
FAIL: tr1/5_numerical_facilities/special_functions/17_hyperg/check_value.cc
execution test
Thanks, David
On AArch64 and ARM, I have also noticed
FAIL: special_functions/18_riemann_zeta/check_value.cc (test for excess errors)
UNRESOLVED: special_functions/18_riemann_zeta/check_value.cc
compilation failed to produce executable
because:
/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/check_value.cc:
In function 'void test(const testcase_riemann_zeta<Ret> (&)[Num],
Ret)':
/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/check_value.cc:292:
error: 'riemann_zeta' is not a member of 'std'
/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/check_value.cc:292:
note: suggested alternative: 'remainder'
compiler exited with status 1
The problem is that { dg-addition-options } was changed to dg-options,
and so the first dg-options that enables the special functions is not
used:
--- a/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/18_riemann_zeta/check_value.cc
@@ -21,7 +21,7 @@
// riemann_zeta
// This can take long on simulators, timing out the test.
-// { dg-additional-options "-DMAX_ITERATIONS=5" { target simulator } }
+// { dg-options "-DMAX_ITERATIONS=5" { target simulator } }